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Author SHA1 Message Date
409fa5e642 Alteration for version passing
Signed-off-by: Alex Ellis (OpenFaaS Ltd) <alexellis2@gmail.com>
2019-12-31 12:27:21 +00:00
03fe48db99 Pass version from main
Signed-off-by: Alex Ellis (OpenFaaS Ltd) <alexellis2@gmail.com>
2019-12-31 12:22:21 +00:00
2613 changed files with 340477 additions and 414391 deletions

2
.gitattributes vendored
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vendor/** linguist-generated=true
Gopkg.lock linguist-generated=true

1
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@alexellis

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## Due diligence
<!-- Due dilligence -->
## My actions before raising this issue
Before you ask for help or support, make sure that you've [consulted the manual for faasd](https://openfaas.gumroad.com/l/serverless-for-everyone-else). We can't answer questions that are already covered by the manual.
<!-- How is this affecting you? What task are you trying to accomplish? -->
## Why do you need this?
<!-- Attempts to mask or hide this may result in the issue being closed -->
## Who is this for?
What company is this for? Are you listed in the [ADOPTERS.md](https://github.com/openfaas/faas/blob/master/ADOPTERS.md) file?
<!--- Provide a general summary of the issue in the Title above -->
## Expected Behaviour
<!--- If you're describing a bug, tell us what should happen -->
<!--- If you're suggesting a change/improvement, tell us how it should work -->
## Current Behaviour
<!--- If describing a bug, tell us what happens instead of the expected behavior -->
<!--- If suggesting a change/improvement, explain the difference from current behavior -->
## List All Possible Solutions and Workarounds
<!--- Suggest a fix/reason for the bug, or ideas how to implement -->
<!--- the addition or change -->
<!--- Is there a workaround which could avoid making changes? -->
## Which Solution Do You Recommend?
<!--- Pick your preferred solution, if you were to implement and maintain this change -->
## Steps to Reproduce (for bugs)
<!--- Provide a link to a live example, or an unambiguous set of steps to -->
<!--- reproduce this bug. Include code to reproduce, if relevant -->
1.
2.
3.
4.
## Your Environment
* OS and architecture:
* Versions:
```sh
go version
containerd -version
uname -a
cat /etc/os-release
faasd version
```

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@ -1,40 +0,0 @@
<!--- Provide a general summary of your changes in the Title above -->
## Description
<!--- Describe your changes in detail -->
## Motivation and Context
<!--- Why is this change required? What problem does it solve? -->
<!--- If it fixes an open issue, please link to the issue here. -->
- [ ] I have raised an issue to propose this change **this is required**
## How Has This Been Tested?
<!--- Please describe in detail how you tested your changes. -->
<!--- Include details of your testing environment, and the tests you ran to -->
<!--- see how your change affects other areas of the code, etc. -->
## Types of changes
<!--- What types of changes does your code introduce? Put an `x` in all the boxes that apply: -->
- [ ] Bug fix (non-breaking change which fixes an issue)
- [ ] New feature (non-breaking change which adds functionality)
- [ ] Breaking change (fix or feature that would cause existing functionality to change)
## Checklist:
Commits:
- [ ] I've read the [CONTRIBUTION](https://github.com/openfaas/faas/blob/master/CONTRIBUTING.md) guide
- [ ] My commit message has a body and describe how this was tested and why it is required.
- [ ] I have signed-off my commits with `git commit -s` for the Developer Certificate of Origin (DCO)
Code:
- [ ] My code follows the code style of this project.
- [ ] I have added tests to cover my changes.
Docs:
- [ ] My change requires a change to the documentation.
- [ ] I have updated the documentation accordingly.

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name: build
on:
push:
branches: [ master ]
pull_request:
branches: [ master ]
jobs:
build:
env:
GO111MODULE: off
runs-on: ubuntu-latest
steps:
- uses: actions/checkout@master
with:
fetch-depth: 1
- name: Install Go
uses: actions/setup-go@v2
with:
go-version: 1.20.x
- name: test
run: make test
- name: dist
run: make dist
- name: prepare-test
run: make prepare-test
- name: test e2e
run: make test-e2e

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@ -1,26 +0,0 @@
name: publish
on:
push:
tags:
- '*'
jobs:
publish:
runs-on: ubuntu-latest
steps:
- uses: actions/checkout@master
with:
fetch-depth: 1
- name: Install Go
uses: actions/setup-go@v2
with:
go-version: 1.20.x
- name: Make publish
run: make publish
- name: Upload release binaries
uses: alexellis/upload-assets@0.4.0
env:
GITHUB_TOKEN: ${{ github.token }}
with:
asset_paths: '["./bin/faasd*"]'

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@ -1,18 +0,0 @@
name: Verify Docker Compose Images
on:
push:
paths:
- '**.yaml'
jobs:
verifyImages:
runs-on: ubuntu-latest
steps:
- uses: actions/checkout@master
- uses: alexellis/setup-arkade@v2
- name: Verify chart images
id: verify_images
run: |
VERBOSE=true make verify-compose

3
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basic-auth-user
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/bin
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sudo: required
language: go
go:
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api_key:
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file:
- ./bin/faasd
- ./bin/faasd-armhf
- ./bin/faasd-arm64
skip_cleanup: true
on:
tags: true
env:
- GO111MODULE=off

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input-imports = [
"github.com/alexellis/go-execute/pkg/v1",
"github.com/alexellis/k3sup/pkg/env",
"github.com/containerd/containerd",
"github.com/containerd/containerd/cio",
"github.com/containerd/containerd/containers",
"github.com/containerd/containerd/errdefs",
"github.com/containerd/containerd/namespaces",
"github.com/containerd/containerd/oci",
"github.com/morikuni/aec",
"github.com/opencontainers/runtime-spec/specs-go",
"github.com/sethvargo/go-password/password",
"github.com/spf13/cobra",
"github.com/vishvananda/netlink",
"github.com/vishvananda/netns",
"golang.org/x/sys/unix",
]
solver-name = "gps-cdcl"
solver-version = 1

27
Gopkg.toml Normal file
View File

@ -0,0 +1,27 @@
[[constraint]]
name = "github.com/containerd/containerd"
version = "1.3.2"
[[constraint]]
name = "github.com/morikuni/aec"
version = "1.0.0"
[[constraint]]
name = "github.com/spf13/cobra"
version = "0.0.5"
[[constraint]]
name = "github.com/alexellis/k3sup"
version = "0.7.1"
[[constraint]]
name = "github.com/alexellis/go-execute"
version = "0.3.0"
[prune]
go-tests = true
unused-packages = true
[[constraint]]
name = "github.com/sethvargo/go-password"
version = "0.1.3"

View File

@ -1,8 +1,6 @@
MIT License
Copyright (c) 2020 Alex Ellis
Copyright (c) 2020 OpenFaaS Ltd
Copyright (c) 2020 OpenFaas Author(s)
Copyright (c) 2019 Alex Ellis
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal

View File

@ -1,76 +1,15 @@
Version := $(shell git describe --tags --dirty)
GitCommit := $(shell git rev-parse HEAD)
LDFLAGS := "-s -w -X main.Version=$(Version) -X main.GitCommit=$(GitCommit)"
CONTAINERD_VER := 1.7.0
CNI_VERSION := v0.9.1
ARCH := amd64
export GO111MODULE=on
.PHONY: all
all: test dist hashgen
.PHONY: publish
publish: dist hashgen
all: local
local:
CGO_ENABLED=0 GOOS=linux go build -mod=vendor -o bin/faasd
.PHONY: test
test:
CGO_ENABLED=0 GOOS=linux go test -mod=vendor -ldflags $(LDFLAGS) ./...
.PHONY: dist-local
dist-local:
CGO_ENABLED=0 GOOS=linux go build -mod=vendor -ldflags $(LDFLAGS) -o bin/faasd
CGO_ENABLED=0 GOOS=linux go build -o bin/faasd
.PHONY: dist
dist:
CGO_ENABLED=0 GOOS=linux go build -mod=vendor -ldflags $(LDFLAGS) -o bin/faasd
CGO_ENABLED=0 GOOS=linux GOARCH=arm GOARM=7 go build -mod=vendor -ldflags $(LDFLAGS) -o bin/faasd-armhf
CGO_ENABLED=0 GOOS=linux GOARCH=arm64 go build -mod=vendor -ldflags $(LDFLAGS) -o bin/faasd-arm64
.PHONY: hashgen
hashgen:
for f in bin/faasd*; do shasum -a 256 $$f > $$f.sha256; done
.PHONY: prepare-test
prepare-test:
curl -sLSf https://github.com/containerd/containerd/releases/download/v$(CONTAINERD_VER)/containerd-$(CONTAINERD_VER)-linux-amd64.tar.gz > /tmp/containerd.tar.gz && sudo tar -xvf /tmp/containerd.tar.gz -C /usr/local/bin/ --strip-components=1
curl -SLfs https://raw.githubusercontent.com/containerd/containerd/v1.7.0/containerd.service | sudo tee /etc/systemd/system/containerd.service
sudo systemctl daemon-reload && sudo systemctl start containerd
sudo /sbin/sysctl -w net.ipv4.conf.all.forwarding=1
sudo mkdir -p /opt/cni/bin
curl -sSL https://github.com/containernetworking/plugins/releases/download/$(CNI_VERSION)/cni-plugins-linux-$(ARCH)-$(CNI_VERSION).tgz | sudo tar -xz -C /opt/cni/bin
sudo cp bin/faasd /usr/local/bin/
sudo /usr/local/bin/faasd install
sudo systemctl status -l containerd --no-pager
sudo journalctl -u faasd-provider --no-pager
sudo systemctl status -l faasd-provider --no-pager
sudo systemctl status -l faasd --no-pager
curl -sSLf https://cli.openfaas.com | sudo sh
echo "Sleeping for 2m" && sleep 120 && sudo journalctl -u faasd --no-pager
.PHONY: test-e2e
test-e2e:
sudo cat /var/lib/faasd/secrets/basic-auth-password | /usr/local/bin/faas-cli login --password-stdin
/usr/local/bin/faas-cli store deploy figlet --env write_timeout=1s --env read_timeout=1s --label testing=true
sleep 5
/usr/local/bin/faas-cli list -v
/usr/local/bin/faas-cli describe figlet | grep testing
uname | /usr/local/bin/faas-cli invoke figlet
uname | /usr/local/bin/faas-cli invoke figlet --async
sleep 10
/usr/local/bin/faas-cli list -v
/usr/local/bin/faas-cli remove figlet
sleep 3
/usr/local/bin/faas-cli list
sleep 3
journalctl -t openfaas-fn:figlet --no-pager
# Removed due to timing issue in CI on GitHub Actions
# /usr/local/bin/faas-cli logs figlet --since 15m --follow=false | grep Forking
verify-compose:
@echo Verifying docker-compose.yaml images in remote registries && \
arkade chart verify --verbose=$(VERBOSE) -f ./docker-compose.yaml
CGO_ENABLED=0 GOOS=linux go build -ldflags $(LDFLAGS) -a -installsuffix cgo -o bin/faasd
CGO_ENABLED=0 GOOS=linux GOARCH=arm GOARM=7 go build -ldflags $(LDFLAGS) -a -installsuffix cgo -o bin/faasd-armhf
CGO_ENABLED=0 GOOS=linux GOARCH=arm64 go build -ldflags $(LDFLAGS) -a -installsuffix cgo -o bin/faasd-arm64

249
README.md
View File

@ -1,171 +1,158 @@
# faasd - a lightweight & portable faas engine
# faasd - serverless with containerd
[![Sponsor faasd](https://img.shields.io/static/v1?label=Sponsor&message=%E2%9D%A4&logo=GitHub&link=https://github.com/sponsors/openfaas)](https://github.com/sponsors/openfaas)
[![Build Status](https://github.com/openfaas/faasd/workflows/build/badge.svg?branch=master)](https://github.com/openfaas/faasd/actions)
[![License: MIT](https://img.shields.io/badge/License-MIT-yellow.svg)](https://opensource.org/licenses/MIT)
![Downloads](https://img.shields.io/github/downloads/openfaas/faasd/total)
[![Build Status](https://travis-ci.com/alexellis/faasd.svg?branch=master)](https://travis-ci.com/alexellis/faasd)
faasd is [OpenFaaS](https://github.com/openfaas/) reimagined, but without the cost and complexity of Kubernetes. It runs on a single host with very modest requirements, making it fast and easy to manage. Under the hood it uses [containerd](https://containerd.io/) and [Container Networking Interface (CNI)](https://github.com/containernetworking/cni) along with the same core OpenFaaS components from the main project.
faasd is a Golang supervisor that bundles OpenFaaS for use with containerd instead of a container orchestrator like Kubernetes or Docker Swarm.
![faasd logo](docs/media/social.png)
## About faasd:
## Use-cases and tutorials
* faasd is a single Golang binary
* faasd is multi-arch, so works on `x86_64`, armhf and arm64
* faasd downloads, starts and supervises the core components to run OpenFaaS
faasd is just another way to run OpenFaaS, so many things you read in the docs or in blog posts will work the same way.
## What does faasd deploy?
Videos and overviews:
* [faas-containerd](https://github.com/alexellis/faas-containerd/)
* [Prometheus](https://github.com/prometheus/prometheus)
* [the OpenFaaS gateway](https://github.com/openfaas/faas/tree/master/gateway)
* [Exploring of serverless use-cases from commercial and personal users (YouTube)](https://www.youtube.com/watch?v=mzuXVuccaqI)
* [Meet faasd. Look Ma No Kubernetes! (YouTube)](https://www.youtube.com/watch?v=ZnZJXI377ak)
You can use the standard [faas-cli](https://github.com/openfaas/faas-cli) with faasd along with pre-packaged functions in the Function Store, or build your own with the template store.
Use-cases and tutorials:
### faas-containerd supports:
* [Serverless Node.js that you can run anywhere](https://www.openfaas.com/blog/serverless-nodejs/)
* [Simple Serverless with Golang Functions and Microservices](https://www.openfaas.com/blog/golang-serverless/)
* [Build a Flask microservice with OpenFaaS](https://www.openfaas.com/blog/openfaas-flask/)
* [Get started with Java 11 and Vert.x on Kubernetes with OpenFaaS](https://www.openfaas.com/blog/get-started-with-java-openjdk11/)
* [Deploy to faasd via GitHub Actions](https://www.openfaas.com/blog/openfaas-functions-with-github-actions/)
* [Scrape and automate websites with Puppeteer](https://www.openfaas.com/blog/puppeteer-scraping/)
* `faas list`
* `faas describe`
* `faas deploy --update=true --replace=false`
* `faas invoke`
* `faas invoke --async`
Additional resources:
Other operations are pending development in the provider.
* The official handbook - [Serverless For Everyone Else](https://gumroad.com/l/serverless-for-everyone-else)
* For reference: [OpenFaaS docs](https://docs.openfaas.com)
* For use-cases and tutorials: [OpenFaaS blog](https://openfaas.com/blog/)
* For self-paced learning: [OpenFaaS workshop](https://github.com/openfaas/workshop/)
### Pre-reqs
### About faasd
* Linux - ideally Ubuntu, which is used for testing
* Installation steps as per [faas-containerd](https://github.com/alexellis/faas-containerd) for building and for development
* [netns](https://github.com/genuinetools/netns/releases) binary in `$PATH`
* [containerd v1.3.2](https://github.com/containerd/containerd)
* [faas-cli](https://github.com/openfaas/faas-cli) (optional)
* faasd is a static Golang binary
* uses the same core components and ecosystem of OpenFaaS
* uses containerd for its runtime and CNI for networking
* is multi-arch, so works on Intel `x86_64` and ARM out the box
* can run almost any other stateful container through its `docker-compose.yaml` file
## Backlog
Most importantly, it's easy to manage so you can set it up and leave it alone to run your functions.
Pending:
[![demo](https://pbs.twimg.com/media/EPNQz00W4AEwDxM?format=jpg&name=medium)](https://www.youtube.com/watch?v=WX1tZoSXy8E)
* [ ] Use CNI to create network namespaces and adapters
* [ ] Monitor and restart any of the core components at runtime if the container stops
* [ ] Bundle/package/automate installation of containerd - [see bootstrap from k3s](https://github.com/rancher/k3s)
* [ ] Provide ufw rules / example for blocking access to everything but a reverse proxy to the gateway container
> Demo of faasd running asynchronous functions
Done:
Watch the video: [faasd walk-through with cloud-init and Multipass](https://www.youtube.com/watch?v=WX1tZoSXy8E)
* [x] Inject / manage IPs between core components for service to service communication - i.e. so Prometheus can scrape the OpenFaaS gateway - done via `/etc/hosts` mount
* [x] Add queue-worker and NATS
* [x] Create faasd.service and faas-containerd.service
* [x] Self-install / create systemd service via `faasd install`
* [x] Restart containers upon restart of faasd
* [x] Clear / remove containers and tasks with SIGTERM / SIGINT
* [x] Determine armhf/arm64 containers to run for gateway
* [x] Configure `basic_auth` to protect the OpenFaaS gateway and faas-containerd HTTP API
### What does faasd deploy?
## Hacking (build from source)
* faasd - itself, and its [faas-provider](https://github.com/openfaas/faas-provider) for containerd - CRUD for functions and services, implements the OpenFaaS REST API
* [Prometheus](https://github.com/prometheus/prometheus) - for monitoring of services, metrics, scaling and dashboards
* [OpenFaaS Gateway](https://github.com/openfaas/faas/tree/master/gateway) - the UI portal, CLI, and other OpenFaaS tooling can talk to this.
* [OpenFaaS queue-worker for NATS](https://github.com/openfaas/nats-queue-worker) - run your invocations in the background without adding any code. See also: [asynchronous invocations](https://docs.openfaas.com/reference/triggers/#async-nats-streaming)
* [NATS](https://nats.io) for asynchronous processing and queues
First run faas-containerd
faasd relies on industry-standard tools for running containers:
```sh
cd $GOPATH/src/github.com/alexellis/faas-containerd
* [CNI](https://github.com/containernetworking/plugins)
* [containerd](https://github.com/containerd/containerd)
* [runc](https://github.com/opencontainers/runc)
# You'll need to install containerd and its pre-reqs first
# https://github.com/alexellis/faas-containerd/
You can use the standard [faas-cli](https://github.com/openfaas/faas-cli) along with pre-packaged functions from *the Function Store*, or build your own using any OpenFaaS template.
### When should you use faasd over OpenFaaS on Kubernetes?
* To deploy microservices and functions that you can update and monitor remotely
* When you don't have the bandwidth to learn or manage Kubernetes
* To deploy embedded apps in IoT and edge use-cases
* To distribute applications to a customer or client
* You have a cost sensitive project - run faasd on a 1GB VM for 5-10 USD / mo or on your Raspberry Pi
* When you just need a few functions or microservices, without the cost of a cluster
faasd does not create the same maintenance burden you'll find with maintaining, upgrading, and securing a Kubernetes cluster. You can deploy it and walk away, in the worst case, just deploy a new VM and deploy your functions again.
You can learn more about supported OpenFaaS features in the [ROADMAP.md](/docs/ROADMAP.md)
## Learning faasd
The faasd project is MIT licensed and open source, and you will find some documentation, blog posts and videos for free.
However, "Serverless For Everyone Else" is the official handbook and was written to contribute funds towards the upkeep and maintenance of the project.
### The official handbook and docs for faasd
<a href="https://gumroad.com/l/serverless-for-everyone-else">
<img src="https://www.alexellis.io/serverless.png" width="40%"></a>
You'll learn how to deploy code in any language, lift and shift Dockerfiles, run requests in queues, write background jobs and to integrate with databases. faasd packages the same code as OpenFaaS, so you get built-in metrics for your HTTP endpoints, a user-friendly CLI, pre-packaged functions and templates from the store and a UI.
Topics include:
* Should you deploy to a VPS or Raspberry Pi?
* Deploying your server with bash, cloud-init or terraform
* Using a private container registry
* Finding functions in the store
* Building your first function with Node.js
* Using environment variables for configuration
* Using secrets from functions, and enabling authentication tokens
* Customising templates
* Monitoring your functions with Grafana and Prometheus
* Scheduling invocations and background jobs
* Tuning timeouts, parallelism, running tasks in the background
* Adding TLS to faasd and custom domains for functions
* Self-hosting on your Raspberry Pi
* Adding a database for storage with InfluxDB and Postgresql
* Troubleshooting and logs
* CI/CD with GitHub Actions and multi-arch
* Taking things further, community and case-studies
View sample pages, reviews and testimonials on Gumroad:
["Serverless For Everyone Else"](https://gumroad.com/l/serverless-for-everyone-else)
### Deploy faasd
The easiest way to deploy faasd is with cloud-init, we give several examples below, and post IaaS platforms will accept "user-data" pasted into their UI, or via their API.
For trying it out on MacOS or Windows, we recommend using [multipass](https://multipass.run) to run faasd in a VM.
If you don't use cloud-init, or have already created your Linux server you can use the installation script as per below:
```bash
git clone https://github.com/openfaas/faasd --depth=1
cd faasd
./hack/install.sh
sudo ./faas-containerd
```
> This approach also works for Raspberry Pi
Then run faasd, which brings up the gateway and Prometheus as containers
It's recommended that you do not install Docker on the same host as faasd, since 1) they may both use different versions of containerd and 2) docker's networking rules can disrupt faasd's networking. When using faasd - make your faasd server a faasd server, and build container image on your laptop or in a CI pipeline.
```sh
cd $GOPATH/src/github.com/alexellis/faasd
go build
#### Deployment tutorials
# Install with systemd
# sudo ./faasd install
* [Use multipass on Windows, MacOS or Linux](/docs/MULTIPASS.md)
* [Deploy to DigitalOcean with Terraform and TLS](https://www.openfaas.com/blog/faasd-tls-terraform/)
* [Deploy to any IaaS with cloud-init](https://blog.alexellis.io/deploy-serverless-faasd-with-cloud-init/)
* [Deploy faasd to your Raspberry Pi](https://blog.alexellis.io/faasd-for-lightweight-serverless/)
# Or run interactively
# sudo ./faasd up
```
Terraform scripts:
### Build and run (binaries)
* [Provision faasd on DigitalOcean with Terraform](docs/bootstrap/README.md)
* [Provision faasd with TLS on DigitalOcean with Terraform](docs/bootstrap/digitalocean-terraform/README.md)
```sh
# For x86_64
sudo curl -fSLs "https://github.com/alexellis/faasd/releases/download/0.3.1/faasd" \
-o "/usr/local/bin/faasd" \
&& sudo chmod a+x "/usr/local/bin/faasd"
### Function and template store
# armhf
sudo curl -fSLs "https://github.com/alexellis/faasd/releases/download/0.3.1/faasd-armhf" \
-o "/usr/local/bin/faasd" \
&& sudo chmod a+x "/usr/local/bin/faasd"
For community functions see `faas-cli store --help`
# arm64
sudo curl -fSLs "https://github.com/alexellis/faasd/releases/download/0.3.1/faasd-arm64" \
-o "/usr/local/bin/faasd" \
&& sudo chmod a+x "/usr/local/bin/faasd"
```
For templates built by the community see: `faas-cli template store list`, you can also use the `dockerfile` template if you just want to migrate an existing service without the benefits of using a template.
### At run-time
### Community support
Look in `hosts` in the current working folder to get the IP for the gateway or Prometheus
Commercial users and solo business owners should become OpenFaaS GitHub Sponsors to receive regular email updates on changes, tutorials and new features.
```sh
127.0.0.1 localhost
172.19.0.1 faas-containerd
172.19.0.2 prometheus
If you are learning faasd, or want to share your use-case, you can join the OpenFaaS Slack community.
172.19.0.3 gateway
172.19.0.4 nats
172.19.0.5 queue-worker
```
* [Become an OpenFaaS GitHub Sponsor](https://github.com/sponsors/openfaas/)
* [Join the weekly Office Hours call](https://docs.openfaas.com/community/)
Since faas-containerd uses containerd heavily it is not running as a container, but as a stand-alone process. Its port is available via the bridge interface, i.e. netns0.
### Backlog, features, design limitations and any known issues
* Prometheus will run on the Prometheus IP plus port 8080 i.e. http://172.19.0.2:9090/targets
For open backlog items, shipped features, design limitations and any known issues, see [ROADMAP.md](docs/ROADMAP.md)
* faas-containerd runs on 172.19.0.1:8081
Want to build a patch without setting up a complete development environment? See [docs/PATCHES.md](docs/PATCHES.md)
* Now go to the gateway's IP address as shown above on port 8080, i.e. http://172.19.0.3:8080 - you can also use this address to deploy OpenFaaS Functions via the `faas-cli`.
* basic-auth
You will then need to get the basic-auth password, it is written to `$GOPATH/src/github.com/alexellis/faasd/basic-auth-password` if you followed the above instructions.
The default Basic Auth username is `admin`, which is written to `$GOPATH/src/github.com/alexellis/faasd/basic-auth-user`, if you wish to use a non-standard user then create this file and add your username (no newlines or other characters)
#### Installation with systemd
* `faasd install` - install faasd and containerd with systemd, run in `$GOPATH/src/github.com/alexellis/faasd`
* `journalctl -u faasd` - faasd systemd logs
* `journalctl -u faas-containerd` - faas-containerd systemd logs
### Appendix
Removing containers:
```sh
echo faas-containerd gateway prometheus | xargs sudo ctr task rm -f
echo faas-containerd gateway prometheus | xargs sudo ctr container rm
echo faas-containerd gateway prometheus | xargs sudo ctr snapshot rm
```
## Links
https://github.com/renatofq/ctrofb/blob/31968e4b4893f3603e9998f21933c4131523bb5d/cmd/network.go
https://github.com/renatofq/catraia/blob/c4f62c86bddbfadbead38cd2bfe6d920fba26dce/catraia-net/network.go
https://github.com/containernetworking/plugins
https://github.com/containerd/go-cni
Are you looking to hack on faasd? Follow the [developer instructions](docs/DEV.md) for a manual installation, or use the `hack/install.sh` script and pick up from there.

View File

@ -1,20 +0,0 @@
#cloud-config
ssh_authorized_keys:
## Note: Replace with your own public key
- ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQC8Q/aUYUr3P1XKVucnO9mlWxOjJm+K01lHJR90MkHC9zbfTqlp8P7C3J26zKAuzHXOeF+VFxETRr6YedQKW9zp5oP7sN+F2gr/pO7GV3VmOqHMV7uKfyUQfq7H1aVzLfCcI7FwN2Zekv3yB7kj35pbsMa1Za58aF6oHRctZU6UWgXXbRxP+B04DoVU7jTstQ4GMoOCaqYhgPHyjEAS3DW0kkPW6HzsvJHkxvVcVlZ/wNJa1Ie/yGpzOzWIN0Ol0t2QT/RSWOhfzO1A2P0XbPuZ04NmriBonO9zR7T1fMNmmtTuK7WazKjQT3inmYRAqU6pe8wfX8WIWNV7OowUjUsv alex@alexr.local
package_update: true
packages:
- runc
- git
runcmd:
- curl -sfL https://raw.githubusercontent.com/openfaas/faasd/master/hack/install.sh | bash -s -
- systemctl status -l containerd --no-pager
- journalctl -u faasd-provider --no-pager
- systemctl status -l faasd-provider --no-pager
- systemctl status -l faasd --no-pager
- curl -sSLf https://cli.openfaas.com | sh
- sleep 60 && journalctl -u faasd --no-pager
- cat /var/lib/faasd/secrets/basic-auth-password | /usr/local/bin/faas-cli login --password-stdin

View File

@ -1,60 +0,0 @@
package cmd
import (
"bufio"
"context"
"fmt"
"io"
"sync"
"github.com/containerd/containerd/runtime/v2/logging"
"github.com/coreos/go-systemd/journal"
"github.com/spf13/cobra"
)
func CollectCommand() *cobra.Command {
return collectCmd
}
var collectCmd = &cobra.Command{
Use: "collect",
Short: "Collect logs to the journal",
RunE: runCollect,
}
func runCollect(_ *cobra.Command, _ []string) error {
logging.Run(logStdio)
return nil
}
// logStdio copied from
// https://github.com/containerd/containerd/pull/3085
// https://github.com/stellarproject/orbit
func logStdio(ctx context.Context, config *logging.Config, ready func() error) error {
// construct any log metadata for the container
vars := map[string]string{
"SYSLOG_IDENTIFIER": fmt.Sprintf("%s:%s", config.Namespace, config.ID),
}
var wg sync.WaitGroup
wg.Add(2)
// forward both stdout and stderr to the journal
go copy(&wg, config.Stdout, journal.PriInfo, vars)
go copy(&wg, config.Stderr, journal.PriErr, vars)
// signal that we are ready and setup for the container to be started
if err := ready(); err != nil {
return err
}
wg.Wait()
return nil
}
func copy(wg *sync.WaitGroup, r io.Reader, pri journal.Priority, vars map[string]string) {
defer wg.Done()
s := bufio.NewScanner(r)
for s.Scan() {
if s.Err() != nil {
return
}
journal.Send(s.Text(), pri, vars)
}
}

View File

@ -2,12 +2,10 @@ package cmd
import (
"fmt"
"io"
"os"
"path"
systemd "github.com/openfaas/faasd/pkg/systemd"
"github.com/pkg/errors"
systemd "github.com/alexellis/faasd/pkg/systemd"
"github.com/spf13/cobra"
)
@ -18,52 +16,29 @@ var installCmd = &cobra.Command{
RunE: runInstall,
}
const workingDirectoryPermission = 0644
const faasdwd = "/var/lib/faasd"
const faasdProviderWd = "/var/lib/faasd-provider"
func runInstall(_ *cobra.Command, _ []string) error {
if err := ensureWorkingDir(path.Join(faasdwd, "secrets")); err != nil {
return err
}
if err := ensureWorkingDir(faasdProviderWd); err != nil {
return err
}
if basicAuthErr := makeBasicAuthFiles(path.Join(faasdwd, "secrets")); basicAuthErr != nil {
return errors.Wrap(basicAuthErr, "cannot create basic-auth-* files")
}
if err := cp("docker-compose.yaml", faasdwd); err != nil {
return err
}
if err := cp("prometheus.yml", faasdwd); err != nil {
return err
}
if err := cp("resolv.conf", faasdwd); err != nil {
return err
}
err := binExists("/usr/local/bin/", "faasd")
err := binExists("/usr/local/bin/", "faas-containerd")
if err != nil {
return err
}
err = systemd.InstallUnit("faasd-provider", map[string]string{
"Cwd": faasdProviderWd,
"SecretMountPath": path.Join(faasdwd, "secrets")})
err = binExists("/usr/local/bin/", "faasd")
if err != nil {
return err
}
err = systemd.InstallUnit("faasd", map[string]string{"Cwd": faasdwd})
err = binExists("/usr/local/bin/", "netns")
if err != nil {
return err
}
err = systemd.InstallUnit("faas-containerd")
if err != nil {
return err
}
err = systemd.InstallUnit("faasd")
if err != nil {
return err
}
@ -73,7 +48,7 @@ func runInstall(_ *cobra.Command, _ []string) error {
return err
}
err = systemd.Enable("faasd-provider")
err = systemd.Enable("faas-containerd")
if err != nil {
return err
}
@ -83,7 +58,7 @@ func runInstall(_ *cobra.Command, _ []string) error {
return err
}
err = systemd.Start("faasd-provider")
err = systemd.Start("faas-containerd")
if err != nil {
return err
}
@ -93,12 +68,6 @@ func runInstall(_ *cobra.Command, _ []string) error {
return err
}
fmt.Println(`Check status with:
sudo journalctl -u faasd --lines 100 -f
Login with:
sudo -E cat /var/lib/faasd/secrets/basic-auth-password | faas-cli login -s`)
return nil
}
@ -109,42 +78,3 @@ func binExists(folder, name string) error {
}
return nil
}
func ensureSecretsDir(folder string) error {
if _, err := os.Stat(folder); err != nil {
err = os.MkdirAll(folder, secretDirPermission)
if err != nil {
return err
}
}
return nil
}
func ensureWorkingDir(folder string) error {
if _, err := os.Stat(folder); err != nil {
err = os.MkdirAll(folder, workingDirectoryPermission)
if err != nil {
return err
}
}
return nil
}
func cp(source, destFolder string) error {
file, err := os.Open(source)
if err != nil {
return err
}
defer file.Close()
out, err := os.Create(path.Join(destFolder, source))
if err != nil {
return err
}
defer out.Close()
_, err = io.Copy(out, file)
return err
}

View File

@ -1,177 +0,0 @@
package cmd
import (
"fmt"
"io"
"io/ioutil"
"log"
"net/http"
"os"
"path"
"github.com/containerd/containerd"
bootstrap "github.com/openfaas/faas-provider"
"github.com/openfaas/faas-provider/logs"
"github.com/openfaas/faas-provider/proxy"
"github.com/openfaas/faas-provider/types"
faasd "github.com/openfaas/faasd/pkg"
"github.com/openfaas/faasd/pkg/cninetwork"
faasdlogs "github.com/openfaas/faasd/pkg/logs"
"github.com/openfaas/faasd/pkg/provider/config"
"github.com/openfaas/faasd/pkg/provider/handlers"
"github.com/spf13/cobra"
)
const secretDirPermission = 0755
func makeProviderCmd() *cobra.Command {
var command = &cobra.Command{
Use: "provider",
Short: "Run the faasd-provider",
}
command.Flags().String("pull-policy", "Always", `Set to "Always" to force a pull of images upon deployment, or "IfNotPresent" to try to use a cached image.`)
command.RunE = func(_ *cobra.Command, _ []string) error {
pullPolicy, flagErr := command.Flags().GetString("pull-policy")
if flagErr != nil {
return flagErr
}
alwaysPull := false
if pullPolicy == "Always" {
alwaysPull = true
}
config, providerConfig, err := config.ReadFromEnv(types.OsEnv{})
if err != nil {
return err
}
log.Printf("faasd-provider starting..\tService Timeout: %s\n", config.WriteTimeout.String())
printVersion()
wd, err := os.Getwd()
if err != nil {
return err
}
writeHostsErr := ioutil.WriteFile(path.Join(wd, "hosts"),
[]byte(`127.0.0.1 localhost`), workingDirectoryPermission)
if writeHostsErr != nil {
return fmt.Errorf("cannot write hosts file: %s", writeHostsErr)
}
writeResolvErr := ioutil.WriteFile(path.Join(wd, "resolv.conf"),
[]byte(`nameserver 8.8.8.8`), workingDirectoryPermission)
if writeResolvErr != nil {
return fmt.Errorf("cannot write resolv.conf file: %s", writeResolvErr)
}
cni, err := cninetwork.InitNetwork()
if err != nil {
return err
}
client, err := containerd.New(providerConfig.Sock)
if err != nil {
return err
}
defer client.Close()
invokeResolver := handlers.NewInvokeResolver(client)
baseUserSecretsPath := path.Join(wd, "secrets")
if err := moveSecretsToDefaultNamespaceSecrets(
baseUserSecretsPath,
faasd.DefaultFunctionNamespace); err != nil {
return err
}
bootstrapHandlers := types.FaaSHandlers{
FunctionProxy: proxy.NewHandlerFunc(*config, invokeResolver),
DeleteFunction: handlers.MakeDeleteHandler(client, cni),
DeployFunction: handlers.MakeDeployHandler(client, cni, baseUserSecretsPath, alwaysPull),
FunctionLister: handlers.MakeReadHandler(client),
FunctionStatus: handlers.MakeReplicaReaderHandler(client),
ScaleFunction: handlers.MakeReplicaUpdateHandler(client, cni),
UpdateFunction: handlers.MakeUpdateHandler(client, cni, baseUserSecretsPath, alwaysPull),
Health: func(w http.ResponseWriter, r *http.Request) {},
Info: handlers.MakeInfoHandler(Version, GitCommit),
ListNamespaces: handlers.MakeNamespacesLister(client),
Secrets: handlers.MakeSecretHandler(client.NamespaceService(), baseUserSecretsPath),
Logs: logs.NewLogHandlerFunc(faasdlogs.New(), config.ReadTimeout),
MutateNamespace: handlers.MakeMutateNamespace(client),
}
log.Printf("Listening on: 0.0.0.0:%d\n", *config.TCPPort)
bootstrap.Serve(&bootstrapHandlers, config)
return nil
}
return command
}
/*
* Mutiple namespace support was added after release 0.13.0
* Function will help users to migrate on multiple namespace support of faasd
*/
func moveSecretsToDefaultNamespaceSecrets(baseSecretPath string, defaultNamespace string) error {
newSecretPath := path.Join(baseSecretPath, defaultNamespace)
err := ensureSecretsDir(newSecretPath)
if err != nil {
return err
}
files, err := ioutil.ReadDir(baseSecretPath)
if err != nil {
return err
}
for _, f := range files {
if !f.IsDir() {
newPath := path.Join(newSecretPath, f.Name())
// A non-nil error means the file wasn't found in the
// destination path
if _, err := os.Stat(newPath); err != nil {
oldPath := path.Join(baseSecretPath, f.Name())
if err := copyFile(oldPath, newPath); err != nil {
return err
}
log.Printf("[Migration] Copied %s to %s", oldPath, newPath)
}
}
}
return nil
}
func copyFile(src, dst string) error {
inputFile, err := os.Open(src)
if err != nil {
return fmt.Errorf("opening %s failed %w", src, err)
}
defer inputFile.Close()
outputFile, err := os.OpenFile(dst, os.O_CREATE|os.O_WRONLY|os.O_APPEND, secretDirPermission)
if err != nil {
return fmt.Errorf("opening %s failed %w", dst, err)
}
defer outputFile.Close()
// Changed from os.Rename due to issue in #201
if _, err := io.Copy(outputFile, inputFile); err != nil {
return fmt.Errorf("writing into %s failed %w", outputFile.Name(), err)
}
return nil
}

View File

@ -14,12 +14,6 @@ func init() {
rootCommand.AddCommand(versionCmd)
rootCommand.AddCommand(upCmd)
rootCommand.AddCommand(installCmd)
rootCommand.AddCommand(makeProviderCmd())
rootCommand.AddCommand(collectCmd)
}
func RootCommand() *cobra.Command {
return rootCommand
}
var (
@ -46,12 +40,7 @@ var rootCommand = &cobra.Command{
Use: "faasd",
Short: "Start faasd",
Long: `
faasd - Serverless For Everyone Else
Learn how to build, secure, and monitor functions with faasd with
the eBook:
https://gumroad.com/l/serverless-for-everyone-else
faasd - serverless without Kubernetes
`,
RunE: runRootCommand,
SilenceUsage: true,
@ -74,11 +63,11 @@ var versionCmd = &cobra.Command{
func parseBaseCommand(_ *cobra.Command, _ []string) {
printLogo()
printVersion()
}
func printVersion() {
fmt.Printf("faasd version: %s\tcommit: %s\n", GetVersion(), GitCommit)
fmt.Printf(
`faasd
Commit: %s
Version: %s
`, GitCommit, GetVersion())
}
func printLogo() {

247
cmd/up.go
View File

@ -2,6 +2,7 @@ package cmd
import (
"fmt"
"github.com/pkg/errors"
"io/ioutil"
"log"
"os"
@ -11,57 +12,45 @@ import (
"syscall"
"time"
"github.com/pkg/errors"
"github.com/alexellis/faasd/pkg"
"github.com/alexellis/k3sup/pkg/env"
"github.com/sethvargo/go-password/password"
"github.com/spf13/cobra"
flag "github.com/spf13/pflag"
units "github.com/docker/go-units"
"github.com/openfaas/faasd/pkg"
)
// upConfig are the CLI flags used by the `faasd up` command to deploy the faasd service
type upConfig struct {
// composeFilePath is the path to the compose file specifying the faasd service configuration
// See https://compose-spec.io/ for more information about the spec,
//
// currently, this must be the name of a file in workingDir, which is set to the value of
// `faasdwd = /var/lib/faasd`
composeFilePath string
// working directory to assume the compose file is in, should be faasdwd.
// this is not configurable but may be in the future.
workingDir string
}
func init() {
configureUpFlags(upCmd.Flags())
}
var upCmd = &cobra.Command{
Use: "up",
Short: "Start faasd",
RunE: runUp,
}
func runUp(cmd *cobra.Command, _ []string) error {
func runUp(_ *cobra.Command, _ []string) error {
printVersion()
clientArch, clientOS := env.GetClientArch()
cfg, err := parseUpFlags(cmd)
if err != nil {
return err
if clientOS != "Linux" {
return fmt.Errorf("You can only use faasd on Linux")
}
clientSuffix := ""
switch clientArch {
case "x86_64":
clientSuffix = ""
break
case "armhf":
case "armv7l":
clientSuffix = "-armhf"
break
case "arm64":
case "aarch64":
clientSuffix = "-arm64"
}
services, err := loadServiceDefinition(cfg)
if err != nil {
return err
authFileErr := errors.Wrap(makeBasicAuthFiles(), "Could not create gateway auth files")
if authFileErr != nil {
return authFileErr
}
basicAuthErr := makeBasicAuthFiles(path.Join(cfg.workingDir, "secrets"))
if basicAuthErr != nil {
return errors.Wrap(basicAuthErr, "cannot create basic-auth-* files")
}
services := makeServiceDefinitions(clientSuffix)
start := time.Now()
supervisor, err := pkg.NewSupervisor("/run/containerd/containerd.sock")
@ -69,15 +58,19 @@ func runUp(cmd *cobra.Command, _ []string) error {
return err
}
log.Printf("Supervisor created in: %s\n", units.HumanDuration(time.Since(start)))
log.Printf("Supervisor created in: %s\n", time.Since(start).String())
start = time.Now()
if err := supervisor.Start(services); err != nil {
err = supervisor.Start(services)
if err != nil {
return err
}
defer supervisor.Close()
log.Printf("Supervisor init done in: %s\n", units.HumanDuration(time.Since(start)))
log.Printf("Supervisor init done in: %s\n", time.Since(start).String())
shutdownTimeout := time.Second * 1
timeout := time.Second * 60
@ -96,47 +89,24 @@ func runUp(cmd *cobra.Command, _ []string) error {
if err != nil {
fmt.Println(err)
}
// TODO: close proxies
time.AfterFunc(shutdownTimeout, func() {
wg.Done()
})
}()
localResolver := pkg.NewLocalResolver(path.Join(cfg.workingDir, "hosts"))
go localResolver.Start()
proxies := map[uint32]*pkg.Proxy{}
for _, svc := range services {
for _, port := range svc.Ports {
listenPort := port.Port
if _, ok := proxies[listenPort]; ok {
return fmt.Errorf("port %d already allocated", listenPort)
}
hostIP := "0.0.0.0"
if len(port.HostIP) > 0 {
hostIP = port.HostIP
}
upstream := fmt.Sprintf("%s:%d", svc.Name, port.TargetPort)
proxies[listenPort] = pkg.NewProxy(upstream, listenPort, hostIP, timeout, localResolver)
}
}
// TODO: track proxies for later cancellation when receiving sigint/term
for _, v := range proxies {
go v.Start()
}
go func() {
wd, _ := os.Getwd()
proxy := pkg.NewProxy(path.Join(wd, "hosts"), timeout)
proxy.Start()
}()
wg.Wait()
return nil
}
func makeBasicAuthFiles(wd string) error {
pwdFile := path.Join(wd, "basic-auth-password")
func makeBasicAuthFiles() error {
wd, _ := os.Getwd()
pwdFile := wd + "/basic-auth-password"
authPassword, err := password.Generate(63, 10, 0, false, true)
if err != nil {
@ -148,7 +118,7 @@ func makeBasicAuthFiles(wd string) error {
return err
}
userFile := path.Join(wd, "basic-auth-user")
userFile := wd + "/basic-auth-user"
err = makeFile(userFile, "admin")
if err != nil {
return err
@ -157,50 +127,119 @@ func makeBasicAuthFiles(wd string) error {
return nil
}
// makeFile will create a file with the specified content if it does not exist yet.
// if the file already exists, the method is a noop.
func makeFile(filePath, fileContents string) error {
_, err := os.Stat(filePath)
if err == nil {
log.Printf("File exists: %q\n", filePath)
log.Printf("File exists: %q, Using data from this file",filePath)
return nil
} else if os.IsNotExist(err) {
log.Printf("Writing to: %q\n", filePath)
return ioutil.WriteFile(filePath, []byte(fileContents), workingDirectoryPermission)
log.Printf("Writing file: %q", filePath)
return ioutil.WriteFile(filePath, []byte(fileContents), 0644)
} else {
return err
}
}
// load the docker compose file and then parse it as supervisor Services
// the logic for loading the compose file comes from the compose reference implementation
// https://github.com/compose-spec/compose-ref/blob/master/compose-ref.go#L353
func loadServiceDefinition(cfg upConfig) ([]pkg.Service, error) {
func makeServiceDefinitions(archSuffix string) []pkg.Service {
wd, _ := os.Getwd()
serviceConfig, err := pkg.LoadComposeFile(cfg.workingDir, cfg.composeFilePath)
if err != nil {
return nil, err
secretMountDir := "/run/secrets/"
return []pkg.Service{
pkg.Service{
Name: "basic-auth-plugin",
Image: "docker.io/openfaas/basic-auth-plugin:0.18.10" + archSuffix,
Env: []string{
"port=8080",
"secret_mount_path=" + secretMountDir,
"user_filename=basic-auth-user",
"pass_filename=basic-auth-password",
},
Mounts: []pkg.Mount{
pkg.Mount{
Src:path.Join(wd, "/basic-auth-password"),
Dest:secretMountDir + "basic-auth-password",
},
pkg.Mount{
Src: path.Join(wd, "/basic-auth-user"),
Dest: secretMountDir + "basic-auth-user",
},
},
Caps: []string{"CAP_NET_RAW"},
Args: nil,
},
pkg.Service{
Name: "nats",
Env: []string{""},
Image: "docker.io/library/nats-streaming:0.11.2",
Caps: []string{},
Args: []string{"/nats-streaming-server", "-m", "8222", "--store=memory", "--cluster_id=faas-cluster"},
},
pkg.Service{
Name: "prometheus",
Env: []string{},
Image: "docker.io/prom/prometheus:v2.14.0",
Mounts: []pkg.Mount{
pkg.Mount{
Src: path.Join(wd, "prometheus.yml"),
Dest: "/etc/prometheus/prometheus.yml",
},
},
Caps: []string{"CAP_NET_RAW"},
},
pkg.Service{
Name: "gateway",
Env: []string{
"basic_auth=true",
"functions_provider_url=http://faas-containerd:8081/",
"direct_functions=false",
"read_timeout=60s",
"write_timeout=60s",
"upstream_timeout=65s",
"faas_nats_address=nats",
"faas_nats_port=4222",
"auth_proxy_url=http://basic-auth-plugin:8080/validate",
"auth_proxy_pass_body=false",
"secret_mount_path=" + secretMountDir,
},
Image: "docker.io/openfaas/gateway:0.18.8" + archSuffix,
Mounts: []pkg.Mount{
pkg.Mount{
Src:path.Join(wd, "/basic-auth-password"),
Dest:secretMountDir + "basic-auth-password",
},
pkg.Mount{
Src: path.Join(wd, "/basic-auth-user"),
Dest: secretMountDir + "basic-auth-user",
},
},
Caps: []string{"CAP_NET_RAW"},
},
pkg.Service{
Name: "queue-worker",
Env: []string{
"faas_nats_address=nats",
"faas_nats_port=4222",
"gateway_invoke=true",
"faas_gateway_address=gateway",
"ack_wait=5m5s",
"max_inflight=1",
"write_debug=false",
"basic_auth=true",
"secret_mount_path=" + secretMountDir,
},
Image: "docker.io/openfaas/queue-worker:0.9.0",
Mounts: []pkg.Mount{
pkg.Mount{
Src:path.Join(wd, "/basic-auth-password"),
Dest:secretMountDir + "basic-auth-password",
},
pkg.Mount{
Src: path.Join(wd, "/basic-auth-user"),
Dest: secretMountDir + "basic-auth-user",
},
},
Caps: []string{"CAP_NET_RAW"},
},
}
return pkg.ParseCompose(serviceConfig)
}
// ConfigureUpFlags will define the flags for the `faasd up` command. The flag struct, configure, and
// parse are split like this to simplify testability.
func configureUpFlags(flags *flag.FlagSet) {
flags.StringP("file", "f", "docker-compose.yaml", "compose file specifying the faasd service configuration")
}
// ParseUpFlags will load the flag values into an upFlags object. Errors will be underlying
// Get errors from the pflag library.
func parseUpFlags(cmd *cobra.Command) (upConfig, error) {
parsed := upConfig{}
path, err := cmd.Flags().GetString("file")
if err != nil {
return parsed, errors.Wrap(err, "can not parse compose file path flag")
}
parsed.composeFilePath = path
parsed.workingDir = faasdwd
return parsed, err
}

View File

@ -1,94 +0,0 @@
version: "3.7"
services:
nats:
image: docker.io/library/nats-streaming:0.25.5
# nobody
user: "65534"
command:
- "/nats-streaming-server"
- "-m"
- "8222"
- "--store=file"
- "--dir=/nats"
- "--cluster_id=faas-cluster"
volumes:
# Data directory
- type: bind
source: ./nats
target: /nats
# ports:
# - "127.0.0.1:8222:8222"
prometheus:
image: docker.io/prom/prometheus:v2.46.0
# nobody
user: "65534"
volumes:
# Config directory
- type: bind
source: ./prometheus.yml
target: /etc/prometheus/prometheus.yml
# Data directory
- type: bind
source: ./prometheus
target: /prometheus
cap_add:
- CAP_NET_RAW
ports:
- "127.0.0.1:9090:9090"
gateway:
image: ghcr.io/openfaas/gateway:0.27.0
environment:
- basic_auth=true
- functions_provider_url=http://faasd-provider:8081/
- direct_functions=false
- read_timeout=60s
- write_timeout=60s
- upstream_timeout=65s
- faas_nats_address=nats
- faas_nats_port=4222
- secret_mount_path=/run/secrets
- scale_from_zero=true
- function_namespace=openfaas-fn
volumes:
# we assume cwd == /var/lib/faasd
- type: bind
source: ./secrets/basic-auth-password
target: /run/secrets/basic-auth-password
- type: bind
source: ./secrets/basic-auth-user
target: /run/secrets/basic-auth-user
cap_add:
- CAP_NET_RAW
depends_on:
- nats
- prometheus
ports:
- "8080:8080"
queue-worker:
image: ghcr.io/openfaas/queue-worker:0.14.0
environment:
- faas_nats_address=nats
- faas_nats_port=4222
- gateway_invoke=true
- faas_gateway_address=gateway
- ack_wait=5m5s
- max_inflight=1
- write_debug=false
- basic_auth=true
- secret_mount_path=/run/secrets
volumes:
# we assume cwd == /var/lib/faasd
- type: bind
source: ./secrets/basic-auth-password
target: /run/secrets/basic-auth-password
- type: bind
source: ./secrets/basic-auth-user
target: /run/secrets/basic-auth-user
cap_add:
- CAP_NET_RAW
depends_on:
- nats

View File

@ -1,395 +0,0 @@
## Instructions for building and testing faasd locally
> Note: if you're just wanting to try out faasd, then it's likely that you're on the wrong page. This is a detailed set of instructions for those wanting to contribute or customise faasd. Feel free to go back to the homepage and pick a tutorial instead.
Do you want to help the community test a pull request?
See these instructions instead: [Testing patches](/docs/PATCHES.md)
### Pre-reqs
> It's recommended that you do not install Docker on the same host as faasd, since 1) they may both use different versions of containerd and 2) docker's networking rules can disrupt faasd's networking. When using faasd - make your faasd server a faasd server, and build container image on your laptop or in a CI pipeline.
* Linux
PC / Cloud - any Linux that containerd works on should be fair game, but faasd is tested with Ubuntu 18.04
For Raspberry Pi Raspbian Stretch or newer also works fine
For MacOS users try [multipass.run](https://multipass.run) or [Vagrant](https://www.vagrantup.com/)
For Windows users, install [Git Bash](https://git-scm.com/downloads) along with multipass or vagrant. You can also use WSL1 or WSL2 which provides a Linux environment.
You will also need [containerd](https://github.com/containerd/containerd) and the [CNI plugins](https://github.com/containernetworking/plugins)
[faas-cli](https://github.com/openfaas/faas-cli) is optional, but recommended.
If you're using multipass, then allocate sufficient resources:
```bash
multipass launch \
--memory 4G \
-c 2 \
-n faasd
# Then access its shell
multipass shell faasd
```
### Get runc
```bash
sudo apt update \
&& sudo apt install -qy \
runc \
bridge-utils \
make
```
### Get faas-cli (optional)
Having `faas-cli` on your dev machine is useful for testing and debug.
```bash
curl -sLS https://cli.openfaas.com | sudo sh
```
#### Install the CNI plugins:
* For PC run `export ARCH=amd64`
* For RPi/armhf run `export ARCH=arm`
* For arm64 run `export ARCH=arm64`
Then run:
```bash
export ARCH=amd64
export CNI_VERSION=v0.9.1
sudo mkdir -p /opt/cni/bin
curl -sSL https://github.com/containernetworking/plugins/releases/download/${CNI_VERSION}/cni-plugins-linux-${ARCH}-${CNI_VERSION}.tgz | sudo tar -xz -C /opt/cni/bin
# Make a config folder for CNI definitions
sudo mkdir -p /etc/cni/net.d
# Make an initial loopback configuration
sudo sh -c 'cat >/etc/cni/net.d/99-loopback.conf <<-EOF
{
"cniVersion": "0.3.1",
"type": "loopback"
}
EOF'
```
### Get containerd
You have three options - binaries for PC, binaries for armhf, or build from source.
* Install containerd `x86_64` only
```bash
export VER=1.7.0
curl -sSL https://github.com/containerd/containerd/releases/download/v$VER/containerd-$VER-linux-amd64.tar.gz -o /tmp/containerd.tar.gz \
&& sudo tar -xvf /tmp/containerd.tar.gz -C /usr/local/bin/ --strip-components=1
containerd -version
```
* Or get my containerd binaries for Raspberry Pi (armhf)
Building `containerd` on armhf is extremely slow, so I've provided binaries for you.
```bash
export VER=1.7.0
curl -sSL https://github.com/alexellis/containerd-armhf/releases/download/v$VER/containerd-$VER-linux-armhf.tar.gz
| sudo tar -xvz --strip-components=2 -C /usr/local/bin/
```
* Or clone / build / install [containerd](https://github.com/containerd/containerd) from source:
```bash
export GOPATH=$HOME/go/
mkdir -p $GOPATH/src/github.com/containerd
cd $GOPATH/src/github.com/containerd
git clone https://github.com/containerd/containerd
cd containerd
git fetch origin --tags
git checkout v1.7.0
make
sudo make install
containerd --version
```
#### Ensure containerd is running
```bash
curl -sLS https://raw.githubusercontent.com/containerd/containerd/v1.7.0/containerd.service > /tmp/containerd.service
# Extend the timeouts for low-performance VMs
echo "[Manager]" | tee -a /tmp/containerd.service
echo "DefaultTimeoutStartSec=3m" | tee -a /tmp/containerd.service
sudo cp /tmp/containerd.service /lib/systemd/system/
sudo systemctl enable containerd
sudo systemctl daemon-reload
sudo systemctl restart containerd
```
Or run ad-hoc. This step can be useful for exploring why containerd might fail to start.
```bash
sudo containerd &
```
#### Enable forwarding
> This is required to allow containers in containerd to access the Internet via your computer's primary network interface.
```bash
sudo /sbin/sysctl -w net.ipv4.conf.all.forwarding=1
```
Make the setting permanent:
```bash
echo "net.ipv4.conf.all.forwarding=1" | sudo tee -a /etc/sysctl.conf
```
### Hacking (build from source)
#### Get build packages
```bash
sudo apt update \
&& sudo apt install -qy \
runc \
bridge-utils \
make
```
You may find alternative package names for CentOS and other Linux distributions.
#### Install Go 1.13 (x86_64)
```bash
curl -SLf https://golang.org/dl/go1.16.linux-amd64.tar.gz > /tmp/go.tgz
sudo rm -rf /usr/local/go/
sudo mkdir -p /usr/local/go/
sudo tar -xvf /tmp/go.tgz -C /usr/local/go/ --strip-components=1
export GOPATH=$HOME/go/
export PATH=$PATH:/usr/local/go/bin/
go version
```
You should also add the following to `~/.bash_profile`:
```bash
echo "export GOPATH=\$HOME/go/" | tee -a $HOME/.bash_profile
echo "export PATH=\$PATH:/usr/local/go/bin/" | tee -a $HOME/.bash_profile
```
#### Or on Raspberry Pi (armhf)
```bash
curl -SLsf https://golang.org/dl/go1.16.linux-armv6l.tar.gz > go.tgz
sudo rm -rf /usr/local/go/
sudo mkdir -p /usr/local/go/
sudo tar -xvf go.tgz -C /usr/local/go/ --strip-components=1
export GOPATH=$HOME/go/
export PATH=$PATH:/usr/local/go/bin/
go version
```
#### Clone faasd and its systemd unit files
```bash
mkdir -p $GOPATH/src/github.com/openfaas/
cd $GOPATH/src/github.com/openfaas/
git clone https://github.com/openfaas/faasd
```
#### Build `faasd` from source (optional)
```bash
cd $GOPATH/src/github.com/openfaas/faasd
cd faasd
make local
# Install the binary
sudo cp bin/faasd /usr/local/bin
```
#### Or, download and run `faasd` (binaries)
```bash
# For x86_64
export SUFFIX=""
# armhf
export SUFFIX="-armhf"
# arm64
export SUFFIX="-arm64"
# Then download
curl -fSLs "https://github.com/openfaas/faasd/releases/download/0.16.2/faasd$SUFFIX" \
-o "/tmp/faasd" \
&& chmod +x "/tmp/faasd"
sudo mv /tmp/faasd /usr/local/bin/
```
#### Install `faasd`
This step installs faasd as a systemd unit file, creates files in `/var/lib/faasd`, and writes out networking configuration for the CNI bridge networking plugin.
```bash
sudo faasd install
2020/02/17 17:38:06 Writing to: "/var/lib/faasd/secrets/basic-auth-password"
2020/02/17 17:38:06 Writing to: "/var/lib/faasd/secrets/basic-auth-user"
Login with:
sudo -E cat /var/lib/faasd/secrets/basic-auth-password | faas-cli login -s
```
You can now log in either from this machine or a remote machine using the OpenFaaS UI, or CLI.
Check that faasd is ready:
```bash
sudo journalctl -u faasd
```
You should see output like:
```bash
Feb 17 17:46:35 gold-survive faasd[4140]: 2020/02/17 17:46:35 Starting faasd proxy on 8080
Feb 17 17:46:35 gold-survive faasd[4140]: Gateway: 10.62.0.5:8080
Feb 17 17:46:35 gold-survive faasd[4140]: 2020/02/17 17:46:35 [proxy] Wait for done
Feb 17 17:46:35 gold-survive faasd[4140]: 2020/02/17 17:46:35 [proxy] Begin listen on 8080
```
To get the CLI for the command above run:
```bash
curl -sSLf https://cli.openfaas.com | sudo sh
```
#### Make a change to `faasd`
There are two components you can hack on:
For function CRUD you will work on `faasd provider` which is started from `cmd/provider.go`
For faasd itself, you will work on the code from `faasd up`, which is started from `cmd/up.go`
Before working on either, stop the systemd services:
```
sudo systemctl stop faasd & # up command
sudo systemctl stop faasd-provider # provider command
```
Here is a workflow you can use for each code change:
Enter the directory of the source code, and build a new binary:
```bash
cd $GOPATH/src/github.com/openfaas/faasd
go build
```
Copy that binary to `/usr/local/bin/`
```bash
cp faasd /usr/local/bin/
```
To run `faasd up`, run it from its working directory as root
```bash
sudo -i
cd /var/lib/faasd
faasd up
```
Now to run `faasd provider`, run it from its working directory:
```bash
sudo -i
cd /var/lib/faasd-provider
faasd provider
```
#### At run-time
Look in `hosts` in the current working folder or in `/var/lib/faasd/` to get the IP for the gateway or Prometheus
```bash
127.0.0.1 localhost
10.62.0.1 faasd-provider
10.62.0.2 prometheus
10.62.0.3 gateway
10.62.0.4 nats
10.62.0.5 queue-worker
```
The IP addresses are dynamic and may change on every launch.
Since faasd-provider uses containerd heavily it is not running as a container, but as a stand-alone process. Its port is available via the bridge interface, i.e. `openfaas0`
* Prometheus will run on the Prometheus IP plus port 8080 i.e. http://[prometheus_ip]:9090/targets
* faasd-provider runs on 10.62.0.1:8081, i.e. directly on the host, and accessible via the bridge interface from CNI.
* Now go to the gateway's IP address as shown above on port 8080, i.e. http://[gateway_ip]:8080 - you can also use this address to deploy OpenFaaS Functions via the `faas-cli`.
* basic-auth
You will then need to get the basic-auth password, it is written to `/var/lib/faasd/secrets/basic-auth-password` if you followed the above instructions.
The default Basic Auth username is `admin`, which is written to `/var/lib/faasd/secrets/basic-auth-user`, if you wish to use a non-standard user then create this file and add your username (no newlines or other characters)
#### Installation with systemd
* `faasd install` - install faasd and containerd with systemd, this must be run from `$GOPATH/src/github.com/openfaas/faasd`
* `journalctl -u faasd -f` - faasd service logs
* `journalctl -u faasd-provider -f` - faasd-provider service logs
#### Uninstall
* Stop faasd and faasd-provider
```
sudo systemctl stop faasd
sudo systemctl stop faasd-provider
sudo systemctl stop containerd
```
* Remove faasd from machine
```
sudo systemctl disable faasd
sudo systemctl disable faasd-provider
sudo systemctl disable containerd
sudo rm -rf /usr/local/bin/faasd
sudo rm -rf /var/lib/faasd
sudo rm -rf /usr/lib/systemd/system/faasd-provider.service
sudo rm -rf /usr/lib/systemd/system/faasd.service
sudo rm -rf /usr/lib/systemd/system/containerd
sudo systemctl daemon-reload
```
* Remove additional dependencies. Be cautious as other software will be dependent on these.
```
sudo apt-get remove runc bridge-utils
sudo rm -rf /opt/cni/bin
```

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@ -1,142 +0,0 @@
# Tutorial - faasd with multipass
## Get up and running with your own faasd installation on your Mac
[multipass from Canonical](https://multipass.run) is like Docker Desktop, but for getting Ubuntu instead of a Docker daemon. It works on MacOS, Linux, and Windows with the same consistent UX. It's not fully open-source, and uses some proprietary add-ons / binaries, but is free to use.
For Linux using Ubuntu, you can install the packages directly, or use `sudo snap install multipass --classic` and follow this tutorial. For Raspberry Pi, [see my tutorial here](https://blog.alexellis.io/faasd-for-lightweight-serverless/).
John McCabe has also tested faasd on Windows with multipass, [see his tweet](https://twitter.com/mccabejohn/status/1221899154672308224).
## Use-case:
Try out [faasd](https://github.com/openfaas/faasd) in a single command using a cloud-config file to get a VM which has:
* port 22 for administration and
* port 8080 for the OpenFaaS REST API.
![Example](https://pbs.twimg.com/media/EPNQz00W4AEwDxM?format=jpg&name=medium)
The above screenshot is [from my tweet](https://twitter.com/alexellisuk/status/1221408788395298819/), feel free to comment there.
It took me about 2-3 minutes to run through everything after installing multipass.
## Let's start the tutorial
* Get [multipass.run](https://multipass.run)
* Get my cloud-config.txt file
```sh
curl -sSLO https://raw.githubusercontent.com/openfaas/faasd/master/cloud-config.txt
```
* Boot the VM
The `cloud-config.txt` contains an ssh key to allow your local machine to access the VM. However, this must be updated with your local ssh key.
This command will update the key with your local public key value and start the VM.
```sh
sed "s/ssh-rsa.*/$(cat $HOME/.ssh/id_*.pub)/" cloud-config.txt | multipass launch --name faasd --cloud-init -
```
This can also be done manually, just replace the 2nd line of the `cloud-config.txt` with the contents of your public ssh key, usually either `~/.ssh/id_rsa.pub` or `~/.ssh/id_ed25519.pub`
```
ssh_authorized_keys:
- ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQC8Q/aUYUr3P1XKVucnO9mlWxOjJm+K01lHJR90MkHC9zbfTqlp8P7C3J26zKAuzHXOeF+VFxETRr6YedQKW9zp5oP7sN+F2gr/pO7GV3VmOqHMV7uKfyUQfq7H1aVzLfCcI7FwN2Zekv3yB7kj35pbsMa1Za58aF6oHRctZU6UWgXXbRxP+B04DoVU7jTstQ4GMoOCaqYhgPHyjEAS3DW0kkPW6HzsvJHkxvVcVlZ/wNJa1Ie/yGpzOzWIN0Ol0t2QT/RSWOhfzO1A2P0XbPuZ04NmriBonO9zR7T1fMNmmtTuK7WazKjQT3inmYRAqU6pe8wfX8WIWNV7OowUjUsv alex@alexr.local
```
* Get the VM's IP and connect with `ssh`
```sh
multipass info faasd
Name: faasd
State: Running
IPv4: 192.168.64.14
Release: Ubuntu 18.04.3 LTS
Image hash: a720c34066dc (Ubuntu 18.04 LTS)
Load: 0.79 0.19 0.06
Disk usage: 1.1G out of 4.7G
Memory usage: 145.6M out of 985.7M
```
Set the variable `IP`:
```
export IP="192.168.64.14"
```
You can also try to use `jq` to get the IP into a variable:
```sh
export IP=$(multipass info faasd --format json| jq -r '.info.faasd.ipv4[0]')
```
Connect to the IP listed:
```sh
ssh ubuntu@$IP
```
Log out once you know it works.
* Let's capture the authentication password into a file for use with `faas-cli`
```
ssh ubuntu@$IP "sudo cat /var/lib/faasd/secrets/basic-auth-password" > basic-auth-password
```
## Try faasd (OpenFaaS)
* Login from your laptop (the host)
```
export OPENFAAS_URL=http://$IP:8080
cat basic-auth-password | faas-cli login -s
```
* Deploy a function and invoke it
```
faas-cli store deploy figlet --env write_timeout=1s
echo "faasd" | faas-cli invoke figlet
faas-cli describe figlet
# Run async
curl -i -d "faasd-async" $OPENFAAS_URL/async-function/figlet
# Run async with a callback
curl -i -d "faasd-async" -H "X-Callback-Url: http://some-request-bin.com/path" $OPENFAAS_URL/async-function/figlet
```
You can also checkout the other store functions: `faas-cli store list`
* Try the UI
Head over to the UI from your laptop and remember that your password is in the `basic-auth-password` file. The username is `admin`:
```
echo http://$IP:8080
```
* Stop/start the instance
```sh
multipass stop faasd
```
* Delete, if you want to:
```
multipass delete --purge faasd
```
You now have a faasd appliance on your Mac. You can also use this cloud-init file with public cloud like AWS or DigitalOcean.
* If you want a public IP for your faasd VM, then just head over to [inlets.dev](https://inlets.dev/)
* Try my more complete walk-through / tutorial with Raspberry Pi, or run the same steps on your multipass VM, including how to develop your own functions and services - https://blog.alexellis.io/faasd-for-lightweight-serverless/
* You might also like [Building containers without Docker](https://blog.alexellis.io/building-containers-without-docker/)
* Star/fork [faasd](https://github.com/openfaas/faasd) on GitHub

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@ -1,88 +0,0 @@
## Instructions for testing a patch for faasd
### Launch a virtual machine
You can use any kind of Linux virtual machine, Ubuntu 20.04 is recommended.
Launch a cloud VM or use [Multipass](https://multipass.run), which is free to use an can be run locally. A Raspberry Pi 3 or 4 could also be used, but will need you to run `make dist` to cross compile a valid binary.
### Copy over your SSH key
Your SSH key will be used, so that you can copy a new faasd binary over to the host.
```bash
multipass launch \
--memory 4G \
-c 2 \
-n faasd
# Then access its shell
multipass shell faasd
# Edit .ssh/authorized_keys
# Add .ssh/id_rsa.pub from your host and save the file
```
### Install faasd on the VM
You start off with the upstream version of faasd on the host, then add the new version over the top later on.
```bash
cd /tmp/
git clone https://github.com/openfaas/faasd --depth=1
cd faasd/hack
./install.sh
# Run the login command given to you at the end of the script
```
Get the multipass IP address:
```bash
export IP=$(multipass info faasd --format json| jq -r '.info.faasd.ipv4[0]')
```
### Build a new faasd binary with the patch
Check out faasd on your local computer
```bash
git clone https://github.com/openfaas/faasd
cd faasd
gh pr checkout #PR_NUMBER_HERE
GOOS=linux go build
# You can also run "make dist" which is slower, but includes
# a version and binaries for other platforms such as the Raspberry Pi
```
### Copy it over to the VM
Now build a new faasd binary and copy it to the VM:
```bash
scp faasd ubuntu@$IP:~/
```
Now deploy the new version on the VM:
```bash
killall -9 faasd-linux; killall -9 faasd-linux ; mv ./faasd-linux /usr/local/bin/faasd
```
### Check it worked and test that patch
Now run a command with `faas-cli` such as:
* `faas-cli list`
* `faas-cli version`
See the testing instructions on the PR and run through those steps.
Post your results on GitHub to assist the creator of the pull request.
You can see how to get the logs for various components using the [eBook Serverless For Everyone Else](https://gumroad.com/l/serverless-for-everyone-else), or by consulting the [DEV.md](/docs/DEV.md) guide.

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@ -1,7 +0,0 @@
# Documentation
- [Develop faasd](./DEV.md) - Instructions for building and testing faasd locally
- [Testing faasd](./PATCHES.md) - Instructions for testing a patch for faasd
- [Roadmap](./ROADMAP.md) - Overview of features, backlog and known issues
- [Run faasd with multipass](./MULTIPASS.md) - Tutorial on how to run faasd on a local multipass VM
- [Terraform modules](./TERRAFORM.md) - A collection of official and community provided terraform modules for faasd

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@ -1,151 +0,0 @@
# faasd backlog and features
It's important to understand the vision for faasd vs OpenFaaS CE/Pro.
faasd is a single-node implementation of OpenFaaS.
It is supposed to be a lightweight, low-overhead, way to deploy OpenFaaS functions for functions which do not need planet-scale.
It is not supposed to have multiple replicas, clustering, HA, or auto-scaling.
[Learn when to use faasd](https://docs.openfaas.com/deployment/)
## Supported operations
* `faas-cli login`
* `faas-cli up`
* `faas-cli list`
* `faas-cli describe`
* `faas-cli deploy --update=true --replace=false`
* `faas-cli invoke --async`
* `faas-cli invoke`
* `faas-cli rm`
* `faas-cli store list/deploy/inspect`
* `faas-cli version`
* `faas-cli namespace`
* `faas-cli secret`
* `faas-cli logs`
* `faas-cli auth` - supported for Basic Authentication and OpenFaaS Pro with OIDC and Single-sign On.
The OpenFaaS REST API is supported by faasd, learn more in the [manual](https://store.openfaas.com/l/serverless-for-everyone-else) under "Can I get an API with that?"
## Constraints vs OpenFaaS on Kubernetes
faasd suits certain use-cases as mentioned in the [README.md](/README.md) file, for those who want a solution which can scale out horizontally with minimum effort, Kubernetes or K3s is a valid option.
Which is right for you? [Read a comparison in the OpenFaaS docs](https://docs.openfaas.com/deployment/)
### One replica per function
Functions only support one replica for each function, so that means horizontal scaling is not available.
It can scale vertically, and this may be a suitable alternative for many use-cases. See the [YAML reference for how to configure limits](https://docs.openfaas.com/reference/yaml/).
Workaround: deploy multiple, dynamically named functions `scraper-1`, `scraper-2`, `scraper-3` and set up a reverse proxy rule to load balance i.e. `scraper.example.com => [/function/scraper-1, /function/scraper-2, /function/scraper-3]`.
### Scale from zero may give a non-200
faasd itself does not implement a health check to determine if a function is ready for traffic. Since faasd doesn't support auto-scaling, this is unlikely to affect you.
Workaround: Have your client retry HTTP calls, or don't scale to zero.
### Leaf-node only - no clustering
faasd is operates on a leaf-node/single-node model. If this is an issue for you, but you have resource constraints, you will need to use [OpenFaaS CE or Pro on Kubernetes](https://docs.openfaas.com/deployment/).
There are no plans to add any form of clustering or multi-node support to faasd.
See past discussion at: [HA / resilience in faasd #225](https://github.com/openfaas/faasd/issues/225)
What about HA and fault tolerance?
To achieve fault tolerance, you could put two faasd instances behind a load balancer or proxy, but you will need to deploy the same set of functions to each.
An alternative would be to take regular VM backups or snapshots.
### No rolling updates are available today
When running `faas-cli deploy`, your old function is removed before the new one is started. This may cause a period of downtime, depending on the timeouts and grace periods you set.
Workaround: deploy uniquely named functions i.e. `scraper-1` and `scraper-2` with a reverse proxy rule that maps `/function/scraper` to the active version.
## Known issues
### Troubleshooting
There is a very detailed chapter on troubleshooting in the eBook [Serverless For Everyone Else](https://store.openfaas.com/l/serverless-for-everyone-else)
### Your function timed-out at 60 seconds
This is no longer an issue, see the manual for how to configure a longer timeout, updated 3rd October 2022.
### Non 200 HTTP status from the gateway upon reboot
This issue appears to happen sporadically and only for some users.
If you get a non 200 HTTP code from the gateway, or caddy after installing faasd, check the logs of faasd:
```bash
sudo journalctl -u faasd
```
If you see the following error:
```
unable to dial to 10.62.0.5:8080, error: dial tcp 10.62.0.5:8080: connect: no route to host
```
Restart the faasd service with:
```bash
sudo systemctl restart faasd
```
## Backlog
Should have:
* [ ] Restart any of the containers in docker-compose.yaml if they crash.
* [ ] Asynchronous function deployment and deletion (currently synchronous/blocking)
Nice to Have:
* [ ] Live rolling-updates, with zero downtime (may require using IDs instead of names for function containers)
* [ ] Apply a total memory limit for the host (if a node has 1GB of RAM, don't allow more than 1GB of RAM to be specified in the limits field)
* [ ] Terraform for AWS EC2
Won't have:
* [ ] Clustering
* [ ] Multiple replicas per function
### Completed
* [x] Docs or examples on how to use the various event connectors (Yes in the eBook)
* [x] Resolve core services from functions by populating/sharing `/etc/hosts` between `faasd` and `faasd-provider`
* [x] Provide a cloud-init configuration for faasd bootstrap
* [x] Configure core services from a docker-compose.yaml file
* [x] Store and fetch logs from the journal
* [x] Add support for using container images in third-party public registries
* [x] Add support for using container images in private third-party registries
* [x] Provide a cloud-config.txt file for automated deployments of `faasd`
* [x] Inject / manage IPs between core components for service to service communication - i.e. so Prometheus can scrape the OpenFaaS gateway - done via `/etc/hosts` mount
* [x] Add queue-worker and NATS
* [x] Create faasd.service and faasd-provider.service
* [x] Self-install / create systemd service via `faasd install`
* [x] Restart containers upon restart of faasd
* [x] Clear / remove containers and tasks with SIGTERM / SIGINT
* [x] Determine armhf/arm64 containers to run for gateway
* [x] Configure `basic_auth` to protect the OpenFaaS gateway and faasd-provider HTTP API
* [x] Setup custom working directory for faasd `/var/lib/faasd/`
* [x] Use CNI to create network namespaces and adapters
* [x] Optionally expose core services from the docker-compose.yaml file, locally or to all adapters.
* [x] ~~[containerd can't pull image from Github Docker Package Registry](https://github.com/containerd/containerd/issues/3291)~~ ghcr.io support
* [x] Provide [simple Caddyfile example](https://blog.alexellis.io/https-inlets-local-endpoints/) in the README showing how to expose the faasd proxy on port 80/443 with TLS
* [x] Annotation support
* [x] Hard memory limits for functions
* [x] Terraform for DigitalOcean
* [x] [Store and retrieve annotations in function spec](https://github.com/openfaas/faasd/pull/86) - in progress
* [x] An installer for faasd and dependencies - runc, containerd
* [x] Offer a recommendation or implement a strategy for faasd replication/HA

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@ -1,14 +0,0 @@
# Terraform Modules for faasd
| Terraform Module | Author | Origin | Status |
|-----------|--------|--------|--------|
| [faasd on DigitalOcean](https://github.com/openfaas/faasd/tree/master/docs/bootstrap/digitalocean-terraform) | OpenFaaS | Official | Active |
| [faasd on DigitalOcean](https://github.com/jsiebens/terraform-digitalocean-faasd) | Johan Siebens | Community | Active |
| [faasd on Google Cloud Platform](https://github.com/jsiebens/terraform-google-faasd) | Johan Siebens | Community | Active |
| [faasd on Microsoft Azure ](https://github.com/jsiebens/terraform-azurerm-faasd) | Johan Siebens | Community | Active |
| [faasd on Equinix Metal](https://github.com/jsiebens/terraform-equinix-faasd) | Johan Siebens | Community | Active |
| [faasd on Scaleway](https://github.com/jsiebens/terraform-scaleway-faasd) | Johan Siebens | Community | Active |
| [faasd on Amazon Web Services](https://github.com/jsiebens/terraform-aws-faasd) |Johan Siebens | Community | Active |
| [faasd on Linode](https://github.com/itTrident/terraform-linode-faasd) | itTrident | Community | Active |
| [faasd on Vultr](https://github.com/itTrident/terraform-vultr-faasd) | itTrident | Community | Active |
| [faasd on Exoscale](https://github.com/itTrident/terraform-exoscale-faasd) | itTrident | Community | Active |

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@ -1,27 +0,0 @@
#cloud-config
package_update: true
packages:
- runc
- git
runcmd:
- curl -sLSf https://github.com/containerd/containerd/releases/download/v1.7.0/containerd-1.7.0-linux-amd64.tar.gz > /tmp/containerd.tar.gz && tar -xvf /tmp/containerd.tar.gz -C /usr/local/bin/ --strip-components=1
- curl -SLfs https://raw.githubusercontent.com/containerd/containerd/v1.7.0/containerd.service | tee /etc/systemd/system/containerd.service
- systemctl daemon-reload && systemctl start containerd
- /sbin/sysctl -w net.ipv4.conf.all.forwarding=1
- mkdir -p /opt/cni/bin
- curl -sSL https://github.com/containernetworking/plugins/releases/download/v0.9.1/cni-plugins-linux-amd64-v0.9.1.tgz | tar -xz -C /opt/cni/bin
- mkdir -p /go/src/github.com/openfaas/
- mkdir -p /var/lib/faasd/secrets/
- echo ${gw_password} > /var/lib/faasd/secrets/basic-auth-password
- echo admin > /var/lib/faasd/secrets/basic-auth-user
- cd /go/src/github.com/openfaas/ && git clone --depth 1 --branch 0.16.2 https://github.com/openfaas/faasd
- curl -fSLs "https://github.com/openfaas/faasd/releases/download/0.16.2/faasd" --output "/usr/local/bin/faasd" && chmod a+x "/usr/local/bin/faasd"
- cd /go/src/github.com/openfaas/faasd/ && /usr/local/bin/faasd install
- systemctl status -l containerd --no-pager
- journalctl -u faasd-provider --no-pager
- systemctl status -l faasd-provider --no-pager
- systemctl status -l faasd --no-pager
- curl -sSLf https://cli.openfaas.com | sh
- sleep 5 && journalctl -u faasd --no-pager

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@ -1,3 +0,0 @@
/.terraform/
/terraform.tfstate
/terraform.tfstate.backup

View File

@ -1,66 +0,0 @@
# This file is maintained automatically by "terraform init".
# Manual edits may be lost in future updates.
provider "registry.terraform.io/digitalocean/digitalocean" {
version = "2.11.0"
constraints = "2.11.0"
hashes = [
"h1:/qAnTOSP5KeZkF7wqLai34SKAs7aefulcUA3I8R7rRg=",
"h1:PbXtjUfvxwmkycJ0Y9Dyn66Arrpk5L8/P381SXMx2O0=",
"h1:lXLX9tmuxV7azTHd0xB0FAVrxyfBtotIz5LEJp8YUk0=",
"zh:2191adc79bdfdb3b733e0619e4f391ae91c1631c5dafda42dab561d943651fa4",
"zh:21a4f67e42dcdc10fbd7f8579247594844d09a469a3a54862d565913e4d6121d",
"zh:557d98325fafcf2db91ea6d92f65373a48c4e995a1a7aeb57009661fee675250",
"zh:68c0238cafc37433627e288fcd2c7e14f4f0afdd50b4f265d8d1f1addab6f19f",
"zh:7e6d69720734455eb1c69880f049650276089b7fa09085e130d224abaeec887a",
"zh:95bd93a696ec050c1cb5e724498fd12b1d69760d01e97c869be3252025691434",
"zh:b1b075049e33aa08c032f41a497351c9894f16287a4449032d8b805bc6dcb596",
"zh:ba91aa853372c828f808c09dbab2a5bc9493a7cf93210d1487f9637b2cac8ca4",
"zh:bc43d27dfe014266697c2ac259f4311300391aa6aa7c5d23e382fe296df938d5",
"zh:d3a04d2c76bfc1f46a117b1af7870a97353319ee8f924a37fe77861519f59525",
"zh:d3da997c05a653df6cabb912c6c05ceb6bf77219b699f04daf44fd795c81c6ed",
"zh:edd0659021b6634acf0f581d1be1985a81fcd1182e3ccb43de6eac6c43be9ab4",
"zh:f588ace57b6c35d509ecaa7136e6a8049d227b0674104a1f958359b84862d8e3",
"zh:f894ed195a3b9ebbfa1ba7c5d71be06df3a96d783ff064d22dd693ace34d638e",
"zh:fb6b0d4b111fafdcb3bb9a7dbab88e2110a6ce6324de64ecf62933ee8b651ccf",
]
}
provider "registry.terraform.io/hashicorp/random" {
version = "3.1.0"
hashes = [
"h1:BZMEPucF+pbu9gsPk0G0BHx7YP04+tKdq2MrRDF1EDM=",
"h1:EPIax4Ftp2SNdB9pUfoSjxoueDoLc/Ck3EUoeX0Dvsg=",
"h1:rKYu5ZUbXwrLG1w81k7H3nce/Ys6yAxXhWcbtk36HjY=",
"zh:2bbb3339f0643b5daa07480ef4397bd23a79963cc364cdfbb4e86354cb7725bc",
"zh:3cd456047805bf639fbf2c761b1848880ea703a054f76db51852008b11008626",
"zh:4f251b0eda5bb5e3dc26ea4400dba200018213654b69b4a5f96abee815b4f5ff",
"zh:7011332745ea061e517fe1319bd6c75054a314155cb2c1199a5b01fe1889a7e2",
"zh:738ed82858317ccc246691c8b85995bc125ac3b4143043219bd0437adc56c992",
"zh:7dbe52fac7bb21227acd7529b487511c91f4107db9cc4414f50d04ffc3cab427",
"zh:a3a9251fb15f93e4cfc1789800fc2d7414bbc18944ad4c5c98f466e6477c42bc",
"zh:a543ec1a3a8c20635cf374110bd2f87c07374cf2c50617eee2c669b3ceeeaa9f",
"zh:d9ab41d556a48bd7059f0810cf020500635bfc696c9fc3adab5ea8915c1d886b",
"zh:d9e13427a7d011dbd654e591b0337e6074eef8c3b9bb11b2e39eaaf257044fd7",
"zh:f7605bd1437752114baf601bdf6931debe6dc6bfe3006eb7e9bb9080931dca8a",
]
}
provider "registry.terraform.io/hashicorp/template" {
version = "2.2.0"
hashes = [
"h1:0wlehNaxBX7GJQnPfQwTNvvAf38Jm0Nv7ssKGMaG6Og=",
"h1:94qn780bi1qjrbC3uQtjJh3Wkfwd5+tTtJHOb7KTg9w=",
"h1:LN84cu+BZpVRvYlCzrbPfCRDaIelSyEx/W9Iwwgbnn4=",
"zh:01702196f0a0492ec07917db7aaa595843d8f171dc195f4c988d2ffca2a06386",
"zh:09aae3da826ba3d7df69efeb25d146a1de0d03e951d35019a0f80e4f58c89b53",
"zh:09ba83c0625b6fe0a954da6fbd0c355ac0b7f07f86c91a2a97849140fea49603",
"zh:0e3a6c8e16f17f19010accd0844187d524580d9fdb0731f675ffcf4afba03d16",
"zh:45f2c594b6f2f34ea663704cc72048b212fe7d16fb4cfd959365fa997228a776",
"zh:77ea3e5a0446784d77114b5e851c970a3dde1e08fa6de38210b8385d7605d451",
"zh:8a154388f3708e3df5a69122a23bdfaf760a523788a5081976b3d5616f7d30ae",
"zh:992843002f2db5a11e626b3fc23dc0c87ad3729b3b3cff08e32ffb3df97edbde",
"zh:ad906f4cebd3ec5e43d5cd6dc8f4c5c9cc3b33d2243c89c5fc18f97f7277b51d",
"zh:c979425ddb256511137ecd093e23283234da0154b7fa8b21c2687182d9aea8b2",
]
}

View File

@ -1,48 +0,0 @@
# Bootstrap faasd with TLS support on Digitalocean
1) [Sign up to DigitalOcean](https://www.digitalocean.com/?refcode=2962aa9e56a1&utm_campaign=Referral_Invite&utm_medium=Referral_Program&utm_source=CopyPaste)
2) [Download Terraform](https://www.terraform.io)
3) Clone this gist using the URL from the address bar
4) Run `terraform init`
5) Configure terraform variables as needed by updating the `main.tfvars` file:
| Variable | Description | Default |
| ------------ | ------------------- | --------------- |
| `do_token` | Digitalocean API token | None |
| `do_domain` | Public domain used for the faasd gateway | None |
| `do_subdomain` | Public subdomain used for the faasd gateway | `faasd` |
| `letsencrypt_email` | Email used by when ordering TLS certificate from Letsencrypt | `""` |
| `do_create_record` | When set to `true`, a new DNS record will be created. This works only if your domain (`do_domain`) is managed by Digitalocean | `false` |
| `do_region` | Digitalocean region for creating the droplet | `fra1` |
| `ssh_key_file` | Path to public SSH key file |`~/.ssh/id_rsa.pub` |
> Environment variables can also be used to set terraform variables when running the `terraform apply` command using the format `TF_VAR_name`.
6) Run `terraform apply`
1) Add `-var-file=main.tfvars` if you have set the variables in `main.tfvars`.
2) OR [use environment variables](https://www.terraform.io/docs/commands/environment-variables.html#tf_var_name) for setting the terraform variables when running the `apply` command
7) View the output for the login command and gateway URL i.e.
```
droplet_ip = 178.128.39.201
gateway_url = https://faasd.example.com/
```
8) View the output for sensitive data via `terraform output` command
```bash
terraform output login_cmd
login_cmd = faas-cli login -g http://178.128.39.201:8080/ -p rvIU49CEcFcHmqxj
terraform output password
password = rvIU49CEcFcHmqxj
```
9) Use your browser to access the OpenFaaS interface
Note that the user-data may take a couple of minutes to come up since it will be pulling in various components and preparing the machine.
Also take into consideration the DNS propagation time for the new DNS record.
A single host with 1GB of RAM will be deployed for you, to remove at a later date simply use `terraform destroy`.

View File

@ -1,9 +0,0 @@
#! /bin/bash
mkdir -p /var/lib/faasd/secrets/
echo ${gw_password} > /var/lib/faasd/secrets/basic-auth-password
export FAASD_DOMAIN=${faasd_domain_name}
export LETSENCRYPT_EMAIL=${letsencrypt_email}
curl -sfL https://raw.githubusercontent.com/openfaas/faasd/master/hack/install.sh | bash -s -

View File

@ -1,97 +0,0 @@
terraform {
required_version = ">= 1.0.4"
required_providers {
digitalocean = {
source = "digitalocean/digitalocean"
version = "2.11.0"
}
}
}
variable "do_token" {
description = "Digitalocean API token"
}
variable "do_domain" {
description = "Your public domain"
}
variable "do_subdomain" {
description = "Your public subdomain"
default = "faasd"
}
variable "letsencrypt_email" {
description = "Email used to order a certificate from Letsencrypt"
}
variable "do_create_record" {
default = false
description = "Whether to create a DNS record on Digitalocean"
}
variable "do_region" {
default = "fra1"
description = "The Digitalocean region where the faasd droplet will be created."
}
variable "ssh_key_file" {
default = "~/.ssh/id_rsa.pub"
description = "Path to the SSH public key file"
}
provider "digitalocean" {
token = var.do_token
}
resource "random_password" "password" {
length = 16
special = true
override_special = "_-#"
}
data "template_file" "cloud_init" {
template = file("cloud-config.tpl")
vars = {
gw_password = random_password.password.result,
faasd_domain_name = "${var.do_subdomain}.${var.do_domain}"
letsencrypt_email = var.letsencrypt_email
}
}
resource "digitalocean_ssh_key" "faasd_ssh_key" {
name = "ssh-key"
public_key = file(var.ssh_key_file)
}
resource "digitalocean_droplet" "faasd" {
region = var.do_region
image = "ubuntu-18-04-x64"
name = "faasd"
size = "s-1vcpu-1gb"
user_data = data.template_file.cloud_init.rendered
ssh_keys = [
digitalocean_ssh_key.faasd_ssh_key.id
]
}
resource "digitalocean_record" "faasd" {
domain = var.do_domain
type = "A"
name = var.do_subdomain
value = digitalocean_droplet.faasd.ipv4_address
# Only creates record if do_create_record is true
count = var.do_create_record == true ? 1 : 0
}
output "droplet_ip" {
value = digitalocean_droplet.faasd.ipv4_address
}
output "gateway_url" {
value = "https://${var.do_subdomain}.${var.do_domain}/"
}
output "password" {
value = random_password.password.result
sensitive = true
}
output "login_cmd" {
value = "faas-cli login -g https://${var.do_subdomain}.${var.do_domain}/ -p ${random_password.password.result}"
sensitive = true
}

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@ -1,4 +0,0 @@
do_token = ""
do_domain = ""
do_subdomain = ""
letsencrypt_email = ""

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91
go.mod
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@ -1,91 +0,0 @@
module github.com/openfaas/faasd
go 1.20
require (
github.com/alexellis/arkade v0.0.0-20230705083451-a4dd6013ddcd
github.com/alexellis/go-execute v0.6.0
github.com/compose-spec/compose-go v0.0.0-20200528042322-36d8ce368e05
github.com/containerd/containerd v1.7.0
github.com/containerd/go-cni v1.1.9
github.com/coreos/go-systemd v0.0.0-20191104093116-d3cd4ed1dbcf
github.com/docker/cli v24.0.2+incompatible
github.com/docker/distribution v2.8.2+incompatible
github.com/docker/docker v24.0.2+incompatible // indirect
github.com/docker/go-units v0.5.0
github.com/gorilla/mux v1.8.0
github.com/morikuni/aec v1.0.0
github.com/opencontainers/runtime-spec v1.1.0-rc.3
github.com/openfaas/faas-provider v0.24.0
github.com/pkg/errors v0.9.1
github.com/sethvargo/go-password v0.2.0
github.com/spf13/cobra v1.7.0
github.com/spf13/pflag v1.0.5
github.com/vishvananda/netlink v1.2.1-beta.2
github.com/vishvananda/netns v0.0.4
golang.org/x/sys v0.10.0
k8s.io/apimachinery v0.27.3
)
require (
github.com/AdaLogics/go-fuzz-headers v0.0.0-20230106234847-43070de90fa1 // indirect
github.com/AdamKorcz/go-118-fuzz-build v0.0.0-20230306123547-8075edf89bb0 // indirect
github.com/Microsoft/go-winio v0.6.1 // indirect
github.com/Microsoft/hcsshim v0.10.0-rc.7 // indirect
github.com/beorn7/perks v1.0.1 // indirect
github.com/cespare/xxhash/v2 v2.2.0 // indirect
github.com/containerd/cgroups v1.1.0 // indirect
github.com/containerd/continuity v0.3.0 // indirect
github.com/containerd/fifo v1.1.0 // indirect
github.com/containerd/ttrpc v1.2.1 // indirect
github.com/containerd/typeurl/v2 v2.1.0 // indirect
github.com/containernetworking/cni v1.1.2 // indirect
github.com/cyphar/filepath-securejoin v0.2.4 // indirect
github.com/docker/docker-credential-helpers v0.7.0 // indirect
github.com/docker/go-connections v0.4.0 // indirect
github.com/docker/go-events v0.0.0-20190806004212-e31b211e4f1c // indirect
github.com/go-logr/logr v1.2.3 // indirect
github.com/go-logr/stdr v1.2.2 // indirect
github.com/gogo/protobuf v1.3.2 // indirect
github.com/golang/groupcache v0.0.0-20210331224755-41bb18bfe9da // indirect
github.com/golang/protobuf v1.5.3 // indirect
github.com/google/go-cmp v0.5.9 // indirect
github.com/google/uuid v1.3.0 // indirect
github.com/imdario/mergo v0.3.14 // indirect
github.com/inconshreveable/mousetrap v1.1.0 // indirect
github.com/klauspost/compress v1.16.5 // indirect
github.com/mattn/go-shellwords v1.0.12 // indirect
github.com/matttproud/golang_protobuf_extensions v1.0.4 // indirect
github.com/mitchellh/mapstructure v1.5.0 // indirect
github.com/moby/locker v1.0.1 // indirect
github.com/moby/sys/mountinfo v0.6.2 // indirect
github.com/moby/sys/sequential v0.5.0 // indirect
github.com/moby/sys/signal v0.7.0 // indirect
github.com/opencontainers/go-digest v1.0.0 // indirect
github.com/opencontainers/image-spec v1.1.0-rc3 // indirect
github.com/opencontainers/runc v1.1.5 // indirect
github.com/opencontainers/selinux v1.11.0 // indirect
github.com/prometheus/client_golang v1.16.0 // indirect
github.com/prometheus/client_model v0.4.0 // indirect
github.com/prometheus/common v0.42.0 // indirect
github.com/prometheus/procfs v0.10.1 // indirect
github.com/rogpeppe/go-internal v1.6.1 // indirect
github.com/sirupsen/logrus v1.9.0 // indirect
github.com/xeipuuv/gojsonpointer v0.0.0-20190905194746-02993c407bfb // indirect
github.com/xeipuuv/gojsonreference v0.0.0-20180127040603-bd5ef7bd5415 // indirect
github.com/xeipuuv/gojsonschema v1.2.0 // indirect
go.opencensus.io v0.24.0 // indirect
go.opentelemetry.io/otel v1.14.0 // indirect
go.opentelemetry.io/otel/trace v1.14.0 // indirect
golang.org/x/mod v0.12.0 // indirect
golang.org/x/net v0.10.0 // indirect
golang.org/x/sync v0.3.0 // indirect
golang.org/x/text v0.10.0 // indirect
golang.org/x/tools v0.8.0 // indirect
google.golang.org/genproto v0.0.0-20230306155012-7f2fa6fef1f4 // indirect
google.golang.org/grpc v1.53.0 // indirect
google.golang.org/protobuf v1.30.0 // indirect
gopkg.in/inf.v0 v0.9.1 // indirect
gopkg.in/yaml.v2 v2.4.0 // indirect
gotest.tools/v3 v3.0.3 // indirect
)

400
go.sum
View File

@ -1,400 +0,0 @@
cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
github.com/AdaLogics/go-fuzz-headers v0.0.0-20230106234847-43070de90fa1 h1:EKPd1INOIyr5hWOWhvpmQpY6tKjeG0hT1s3AMC/9fic=
github.com/AdaLogics/go-fuzz-headers v0.0.0-20230106234847-43070de90fa1/go.mod h1:VzwV+t+dZ9j/H867F1M2ziD+yLHtB46oM35FxxMJ4d0=
github.com/AdamKorcz/go-118-fuzz-build v0.0.0-20230306123547-8075edf89bb0 h1:59MxjQVfjXsBpLy+dbd2/ELV5ofnUkUZBvWSC85sheA=
github.com/AdamKorcz/go-118-fuzz-build v0.0.0-20230306123547-8075edf89bb0/go.mod h1:OahwfttHWG6eJ0clwcfBAHoDI6X/LV/15hx/wlMZSrU=
github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
github.com/Microsoft/go-winio v0.6.1 h1:9/kr64B9VUZrLm5YYwbGtUJnMgqWVOdUAXu6Migciow=
github.com/Microsoft/go-winio v0.6.1/go.mod h1:LRdKpFKfdobln8UmuiYcKPot9D2v6svN5+sAH+4kjUM=
github.com/Microsoft/hcsshim v0.10.0-rc.7 h1:HBytQPxcv8Oy4244zbQbe6hnOnx544eL5QPUqhJldz8=
github.com/Microsoft/hcsshim v0.10.0-rc.7/go.mod h1:ILuwjA+kNW+MrN/w5un7n3mTqkwsFu4Bp05/okFUZlE=
github.com/alexellis/arkade v0.0.0-20230705083451-a4dd6013ddcd h1:Cvt1/JwejfGBTfZUuqa4EdiyV8VPIDTCJ3fua+QqUpc=
github.com/alexellis/arkade v0.0.0-20230705083451-a4dd6013ddcd/go.mod h1:PupjhF444AKYAD3NRbzCMhLWHiF/uixUmCWDuR2PzWA=
github.com/alexellis/go-execute v0.6.0 h1:FVGoudJnWSObwf9qmehbvVuvhK6g1UpKOCBjS+OUXEA=
github.com/alexellis/go-execute v0.6.0/go.mod h1:nlg2F6XdYydUm1xXQMMiuibQCV1mveybBkNWfdNznjk=
github.com/beorn7/perks v1.0.1 h1:VlbKKnNfV8bJzeqoa4cOKqO6bYr3WgKZxO8Z16+hsOM=
github.com/beorn7/perks v1.0.1/go.mod h1:G2ZrVWU2WbWT9wwq4/hrbKbnv/1ERSJQ0ibhJ6rlkpw=
github.com/census-instrumentation/opencensus-proto v0.2.1/go.mod h1:f6KPmirojxKA12rnyqOA5BBL4O983OfeGPqjHWSTneU=
github.com/cespare/xxhash/v2 v2.2.0 h1:DC2CZ1Ep5Y4k3ZQ899DldepgrayRUGE6BBZ/cd9Cj44=
github.com/cespare/xxhash/v2 v2.2.0/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
github.com/checkpoint-restore/go-criu/v5 v5.3.0/go.mod h1:E/eQpaFtUKGOOSEBZgmKAcn+zUUwWxqcaKZlF54wK8E=
github.com/chzyer/logex v1.1.10/go.mod h1:+Ywpsq7O8HXn0nuIou7OrIPyXbp3wmkHB+jjWRnGsAI=
github.com/chzyer/readline v0.0.0-20180603132655-2972be24d48e/go.mod h1:nSuG5e5PlCu98SY8svDHJxuZscDgtXS6KTTbou5AhLI=
github.com/chzyer/test v0.0.0-20180213035817-a1ea475d72b1/go.mod h1:Q3SI9o4m/ZMnBNeIyt5eFwwo7qiLfzFZmjNmxjkiQlU=
github.com/cilium/ebpf v0.7.0/go.mod h1:/oI2+1shJiTGAMgl6/RgJr36Eo1jzrRcAWbcXO2usCA=
github.com/client9/misspell v0.3.4/go.mod h1:qj6jICC3Q7zFZvVWo7KLAzC3yx5G7kyvSDkc90ppPyw=
github.com/cncf/udpa/go v0.0.0-20191209042840-269d4d468f6f/go.mod h1:M8M6+tZqaGXZJjfX53e64911xZQV5JYwmTeXPW+k8Sc=
github.com/compose-spec/compose-go v0.0.0-20200528042322-36d8ce368e05 h1:3CoRXflT4IAdIpsFTqZBlLuHOkHYhBvW0iijkQKm4QY=
github.com/compose-spec/compose-go v0.0.0-20200528042322-36d8ce368e05/go.mod h1:y75QUr1jcR5aFNf3Tj3dhwnujABGz6UaRrZ5qZwF1cc=
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github.com/spf13/pflag v1.0.5/go.mod h1:McXfInJRrz4CZXVZOBLb0bTZqETkiAhM9Iw0y3An2Bg=
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github.com/xeipuuv/gojsonschema v1.2.0/go.mod h1:anYRn/JVcOK2ZgGU+IjEV4nwlhoK5sQluxsYJ78Id3Y=
github.com/yuin/goldmark v1.1.27/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
github.com/yuin/goldmark v1.2.1/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
go.opencensus.io v0.24.0 h1:y73uSU6J157QMP2kn2r30vwW1A2W2WFwSCGnAVxeaD0=
go.opencensus.io v0.24.0/go.mod h1:vNK8G9p7aAivkbmorf4v+7Hgx+Zs0yY+0fOtgBfjQKo=
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go.opentelemetry.io/otel/trace v1.14.0 h1:wp2Mmvj41tDsyAJXiWDWpfNsOiIyd38fy85pyKcFq/M=
go.opentelemetry.io/otel/trace v1.14.0/go.mod h1:8avnQLK+CG77yNLUae4ea2JDQ6iT+gozhnZjy/rw9G8=
go.uber.org/goleak v1.2.1 h1:NBol2c7O1ZokfZ0LEU9K6Whx/KnwvepVetCUhtKja4A=
golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
golang.org/x/crypto v0.0.0-20191011191535-87dc89f01550/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
golang.org/x/exp v0.0.0-20190121172915-509febef88a4/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=
golang.org/x/lint v0.0.0-20181026193005-c67002cb31c3/go.mod h1:UVdnD1Gm6xHRNCYTkRU2/jEulfH38KcIWyp/GAMgvoE=
golang.org/x/lint v0.0.0-20190227174305-5b3e6a55c961/go.mod h1:wehouNa3lNwaWXcvxsM5YxQ5yQlVC4a0KAMCusXpPoU=
golang.org/x/lint v0.0.0-20190313153728-d0100b6bd8b3/go.mod h1:6SW0HCj/g11FgYtHlgUYUwCkIfeOF89ocIRzGO/8vkc=
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golang.org/x/mod v0.3.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
golang.org/x/mod v0.12.0 h1:rmsUpXtvNzj340zd98LZ4KntptpfRHwpFOHG188oHXc=
golang.org/x/mod v0.12.0/go.mod h1:iBbtSCu2XBx23ZKBPSOrRkjjQPZFPuis4dIYUhu/chs=
golang.org/x/net v0.0.0-20180724234803-3673e40ba225/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
golang.org/x/net v0.0.0-20180826012351-8a410e7b638d/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
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golang.org/x/net v0.0.0-20190311183353-d8887717615a/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
golang.org/x/net v0.0.0-20190620200207-3b0461eec859/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
golang.org/x/net v0.0.0-20200226121028-0de0cce0169b/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
golang.org/x/net v0.0.0-20200520004742-59133d7f0dd7/go.mod h1:qpuaurCH72eLCgpAm/N6yyVIVM9cpaDIP3A8BGJEC5A=
golang.org/x/net v0.0.0-20201021035429-f5854403a974/go.mod h1:sp8m0HH+o8qH0wwXwYZr8TS3Oi6o0r6Gce1SSxlDquU=
golang.org/x/net v0.0.0-20201110031124-69a78807bb2b/go.mod h1:sp8m0HH+o8qH0wwXwYZr8TS3Oi6o0r6Gce1SSxlDquU=
golang.org/x/net v0.0.0-20201224014010-6772e930b67b/go.mod h1:m0MpNAwzfU5UDzcl9v0D8zg8gWTRqZa9RBIspLL5mdg=
golang.org/x/net v0.0.0-20210428140749-89ef3d95e781/go.mod h1:OJAsFXCWl8Ukc7SiCT/9KSuxbyM7479/AVlXFRxuMCk=
golang.org/x/net v0.10.0 h1:X2//UzNDwYmtCLn7To6G58Wr6f5ahEAQgKNzv9Y951M=
golang.org/x/net v0.10.0/go.mod h1:0qNGK6F8kojg2nk9dLZ2mShWaEBan6FAoqfSigmmuDg=
golang.org/x/oauth2 v0.0.0-20180821212333-d2e6202438be/go.mod h1:N/0e6XlmueqKjAGxoOufVs8QHGRruUQn6yWY3a++T0U=
golang.org/x/sync v0.0.0-20180314180146-1d60e4601c6f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
golang.org/x/sync v0.0.0-20181108010431-42b317875d0f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
golang.org/x/sync v0.0.0-20181221193216-37e7f081c4d4/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
golang.org/x/sync v0.0.0-20190911185100-cd5d95a43a6e/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
golang.org/x/sync v0.0.0-20201020160332-67f06af15bc9/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
golang.org/x/sync v0.0.0-20201207232520-09787c993a3a/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
golang.org/x/sync v0.3.0 h1:ftCYgMx6zT/asHUrPw8BLLscYtGznsLAnjq5RH9P66E=
golang.org/x/sync v0.3.0/go.mod h1:FU7BRWz2tNW+3quACPkgCx/L+uEAv1htQ0V83Z9Rj+Y=
golang.org/x/sys v0.0.0-20180830151530-49385e6e1522/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
golang.org/x/sys v0.0.0-20180909124046-d0be0721c37e/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20190422165155-953cdadca894/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20190606203320-7fc4e5ec1444/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20190904154756-749cb33beabd/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20191005200804-aed5e4c7ecf9/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20191026070338-33540a1f6037/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20191115151921-52ab43148777/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20191120155948-bd437916bb0e/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20191204072324-ce4227a45e2e/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20200217220822-9197077df867/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20200323222414-85ca7c5b95cd/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20200728102440-3e129f6d46b1/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20200930185726-fdedc70b468f/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20210112080510-489259a85091/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20210124154548-22da62e12c0c/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20210423082822-04245dca01da/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20210906170528-6f6e22806c34/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
golang.org/x/sys v0.0.0-20211025201205-69cdffdb9359/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
golang.org/x/sys v0.0.0-20211116061358-0a5406a5449c/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
golang.org/x/sys v0.0.0-20220520151302-bc2c85ada10a/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
golang.org/x/sys v0.0.0-20220715151400-c0bba94af5f8/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
golang.org/x/sys v0.1.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
golang.org/x/sys v0.10.0 h1:SqMFp9UcQJZa+pmYuAKjd9xq1f0j5rLcDIk0mj4qAsA=
golang.org/x/sys v0.10.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
golang.org/x/text v0.3.6/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
golang.org/x/text v0.10.0 h1:UpjohKhiEgNc0CSauXmwYftY1+LlaC75SJwh0SgCX58=
golang.org/x/text v0.10.0/go.mod h1:TvPlkZtksWOMsz7fbANvkp4WM8x/WCo/om8BMLbz+aE=
golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
golang.org/x/tools v0.0.0-20190114222345-bf090417da8b/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
golang.org/x/tools v0.0.0-20190226205152-f727befe758c/go.mod h1:9Yl7xja0Znq3iFh3HoIrodX9oNMXvdceNzlUR8zjMvY=
golang.org/x/tools v0.0.0-20190311212946-11955173bddd/go.mod h1:LCzVGOaR6xXOjkQ3onu1FJEFr0SW1gC7cKk1uF8kGRs=
golang.org/x/tools v0.0.0-20190524140312-2c0ae7006135/go.mod h1:RgjU9mgBXZiqYHBnxXauZ1Gv1EHHAz9KjViQ78xBX0Q=
golang.org/x/tools v0.0.0-20190624222133-a101b041ded4/go.mod h1:/rFqwRUd4F7ZHNgwSSTFct+R/Kf4OFW1sUzUTQQTgfc=
golang.org/x/tools v0.0.0-20191119224855-298f0cb1881e/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
golang.org/x/tools v0.0.0-20200619180055-7c47624df98f/go.mod h1:EkVYQZoAsY45+roYkvgYkIh4xh/qjgUK9TdY2XT94GE=
golang.org/x/tools v0.0.0-20201224043029-2b0845dc783e/go.mod h1:emZCQorbCU4vsT4fOWvOPXz4eW1wZW4PmDk9uLelYpA=
golang.org/x/tools v0.0.0-20210106214847-113979e3529a/go.mod h1:emZCQorbCU4vsT4fOWvOPXz4eW1wZW4PmDk9uLelYpA=
golang.org/x/tools v0.8.0 h1:vSDcovVPld282ceKgDimkRSC8kpaH1dgyc9UMzlt84Y=
golang.org/x/tools v0.8.0/go.mod h1:JxBZ99ISMI5ViVkT1tr6tdNmXeTrcpVSD3vZ1RsRdN4=
golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
golang.org/x/xerrors v0.0.0-20191011141410-1b5146add898/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
google.golang.org/appengine v1.1.0/go.mod h1:EbEs0AVv82hx2wNQdGPgUI5lhzA/G0D9YwlJXL52JkM=
google.golang.org/appengine v1.4.0/go.mod h1:xpcJRLb0r/rnEns0DIKYYv+WjYCduHsrkT7/EB5XEv4=
google.golang.org/genproto v0.0.0-20180817151627-c66870c02cf8/go.mod h1:JiN7NxoALGmiZfu7CAH4rXhgtRTLTxftemlI0sWmxmc=
google.golang.org/genproto v0.0.0-20190819201941-24fa4b261c55/go.mod h1:DMBHOl98Agz4BDEuKkezgsaosCRResVns1a3J2ZsMNc=
google.golang.org/genproto v0.0.0-20200224152610-e50cd9704f63/go.mod h1:55QSHmfGQM9UVYDPBsyGGes0y52j32PQ3BqQfXhyH3c=
google.golang.org/genproto v0.0.0-20200526211855-cb27e3aa2013/go.mod h1:NbSheEEYHJ7i3ixzK3sjbqSGDJWnxyFXZblF3eUsNvo=
google.golang.org/genproto v0.0.0-20230306155012-7f2fa6fef1f4 h1:DdoeryqhaXp1LtT/emMP1BRJPHHKFi5akj/nbx/zNTA=
google.golang.org/genproto v0.0.0-20230306155012-7f2fa6fef1f4/go.mod h1:NWraEVixdDnqcqQ30jipen1STv2r/n24Wb7twVTGR4s=
google.golang.org/grpc v1.19.0/go.mod h1:mqu4LbDTu4XGKhr4mRzUsmM4RtVoemTSY81AxZiDr8c=
google.golang.org/grpc v1.23.0/go.mod h1:Y5yQAOtifL1yxbo5wqy6BxZv8vAUGQwXBOALyacEbxg=
google.golang.org/grpc v1.25.1/go.mod h1:c3i+UQWmh7LiEpx4sFZnkU36qjEYZ0imhYfXVyQciAY=
google.golang.org/grpc v1.27.0/go.mod h1:qbnxyOmOxrQa7FizSgH+ReBfzJrCY1pSN7KXBS8abTk=
google.golang.org/grpc v1.27.1/go.mod h1:qbnxyOmOxrQa7FizSgH+ReBfzJrCY1pSN7KXBS8abTk=
google.golang.org/grpc v1.33.2/go.mod h1:JMHMWHQWaTccqQQlmk3MJZS+GWXOdAesneDmEnv2fbc=
google.golang.org/grpc v1.53.0 h1:LAv2ds7cmFV/XTS3XG1NneeENYrXGmorPxsBbptIjNc=
google.golang.org/grpc v1.53.0/go.mod h1:OnIrk0ipVdj4N5d9IUoFUx72/VlD7+jUsHwZgwSMQpw=
google.golang.org/protobuf v0.0.0-20200109180630-ec00e32a8dfd/go.mod h1:DFci5gLYBciE7Vtevhsrf46CRTquxDuWsQurQQe4oz8=
google.golang.org/protobuf v0.0.0-20200221191635-4d8936d0db64/go.mod h1:kwYJMbMJ01Woi6D6+Kah6886xMZcty6N08ah7+eCXa0=
google.golang.org/protobuf v0.0.0-20200228230310-ab0ca4ff8a60/go.mod h1:cfTl7dwQJ+fmap5saPgwCLgHXTUD7jkjRqWcaiX5VyM=
google.golang.org/protobuf v1.20.1-0.20200309200217-e05f789c0967/go.mod h1:A+miEFZTKqfCUM6K7xSMQL9OKL/b6hQv+e19PK+JZNE=
google.golang.org/protobuf v1.21.0/go.mod h1:47Nbq4nVaFHyn7ilMalzfO3qCViNmqZ2kzikPIcrTAo=
google.golang.org/protobuf v1.22.0/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU=
google.golang.org/protobuf v1.23.0/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU=
google.golang.org/protobuf v1.23.1-0.20200526195155-81db48ad09cc/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU=
google.golang.org/protobuf v1.25.0/go.mod h1:9JNX74DMeImyA3h4bdi1ymwjUzf21/xIlbajtzgsN7c=
google.golang.org/protobuf v1.26.0-rc.1/go.mod h1:jlhhOSvTdKEhbULTjvd4ARK9grFBp09yW+WbY/TyQbw=
google.golang.org/protobuf v1.26.0/go.mod h1:9q0QmTI4eRPtz6boOQmLYwt+qCgq0jsYwAQnmE0givc=
google.golang.org/protobuf v1.27.1/go.mod h1:9q0QmTI4eRPtz6boOQmLYwt+qCgq0jsYwAQnmE0givc=
google.golang.org/protobuf v1.30.0 h1:kPPoIgf3TsEvrm0PFe15JQ+570QVxYzEvvHqChK+cng=
google.golang.org/protobuf v1.30.0/go.mod h1:HV8QOd/L58Z+nl8r43ehVNZIU/HEI6OcFqwMG9pJV4I=
gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c h1:Hei/4ADfdWqJk1ZMxUNpqntNwaWcugrBjAiHlqqRiVk=
gopkg.in/errgo.v2 v2.1.0/go.mod h1:hNsd1EY+bozCKY1Ytp96fpM3vjJbqLJn88ws8XvfDNI=
gopkg.in/fsnotify.v1 v1.4.7/go.mod h1:Tz8NjZHkW78fSQdbUxIjBTcgA1z1m8ZHf0WmKUhAMys=
gopkg.in/inf.v0 v0.9.1 h1:73M5CoZyi3ZLMOyDlQh031Cx6N9NDJ2Vvfl76EDAgDc=
gopkg.in/inf.v0 v0.9.1/go.mod h1:cWUDdTG/fYaXco+Dcufb5Vnc6Gp2YChqWtbxRZE0mXw=
gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7/go.mod h1:dt/ZhP58zS4L8KSrWDmTeBkI65Dw0HsyUHuEVlX15mw=
gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
gopkg.in/yaml.v2 v2.2.4/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
gopkg.in/yaml.v2 v2.3.0/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
gopkg.in/yaml.v2 v2.4.0 h1:D8xgwECY7CYvx+Y2n4sBz93Jn9JRvxdiyyo8CTfuKaY=
gopkg.in/yaml.v2 v2.4.0/go.mod h1:RDklbk79AGWmwhnvt/jBztapEOGDOx6ZbXqjP6csGnQ=
gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
gotest.tools/v3 v3.0.2/go.mod h1:3SzNCllyD9/Y+b5r9JIKQ474KzkZyqLqEfYqMsX94Bk=
gotest.tools/v3 v3.0.3 h1:4AuOwCGf4lLR9u3YOe2awrHygurzhO/HeQ6laiA6Sx0=
gotest.tools/v3 v3.0.3/go.mod h1:Z7Lb0S5l+klDB31fvDQX8ss/FlKDxtlFlw3Oa8Ymbl8=
honnef.co/go/tools v0.0.0-20190102054323-c2f93a96b099/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
honnef.co/go/tools v0.0.0-20190523083050-ea95bdfd59fc/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
k8s.io/apimachinery v0.27.3 h1:Ubye8oBufD04l9QnNtW05idcOe9Z3GQN8+7PqmuVcUM=
k8s.io/apimachinery v0.27.3/go.mod h1:XNfZ6xklnMCOGGFNqXG7bUrQCoR04dh/E7FprV6pb+E=

View File

@ -1,37 +0,0 @@
#!/bin/bash
# See pre-reqs:
# https://github.com/alexellis/containerd-arm
export ARCH="arm64"
if [ ! -d "/usr/local/go/bin" ]; then
echo "Downloading Go.."
curl -SLsf https://golang.org/dl/go1.16.6.linux-$ARCH.tar.gz --output /tmp/go.tgz
sudo rm -rf /usr/local/go/
sudo mkdir -p /usr/local/go/
sudo tar -xvf /tmp/go.tgz -C /usr/local/go/ --strip-components=1
else
echo "Go already present, skipping."
fi
export GOPATH=$HOME/go/
export PATH=$PATH:/usr/local/go/bin/
go version
echo "Building containerd"
mkdir -p $GOPATH/src/github.com/containerd
cd $GOPATH/src/github.com/containerd
git clone https://github.com/containerd/containerd
cd containerd
git fetch origin --tags
git checkout v1.7.0
make
sudo make install
sudo containerd --version

View File

@ -1,20 +1,12 @@
#!/bin/bash
# See pre-reqs:
# https://github.com/alexellis/containerd-arm
export ARCH="armv6l"
echo "Downloading Go"
export ARCH="arm64"
if [ ! -d "/usr/local/go/bin" ]; then
echo "Downloading Go.."
curl -SLsf https://golang.org/dl/go1.16.6.linux-$ARCH.tar.gz --output /tmp/go.tgz
sudo rm -rf /usr/local/go/
sudo mkdir -p /usr/local/go/
sudo tar -xvf /tmp/go.tgz -C /usr/local/go/ --strip-components=1
else
echo "Go already present, skipping."
fi
curl -SLsf https://dl.google.com/go/go1.12.14.linux-$ARCH.tar.gz --output /tmp/go.tgz
sudo rm -rf /usr/local/go/
sudo mkdir -p /usr/local/go/
sudo tar -xvf /tmp/go.tgz -C /usr/local/go/ --strip-components=1
export GOPATH=$HOME/go/
export PATH=$PATH:/usr/local/go/bin/
@ -29,7 +21,7 @@ git clone https://github.com/containerd/containerd
cd containerd
git fetch origin --tags
git checkout v1.7.0
git checkout v1.3.2
make
sudo make install

View File

@ -1,21 +1,12 @@
#!/bin/bash
export ARCH="amd64"
echo "Downloading Go"
# See pre-reqs:
# https://github.com/alexellis/containerd-arm
export ARCH="arm64"
if [ ! -d "/usr/local/go/bin" ]; then
echo "Downloading Go.."
curl -SLsf https://golang.org/dl/go1.16.6.linux-$ARCH.tar.gz --output /tmp/go.tgz
sudo rm -rf /usr/local/go/
sudo mkdir -p /usr/local/go/
sudo tar -xvf /tmp/go.tgz -C /usr/local/go/ --strip-components=1
else
echo "Go already present, skipping."
fi
curl -SLsf https://dl.google.com/go/go1.12.14.linux-$ARCH.tar.gz --output /tmp/go.tgz
sudo rm -rf /usr/local/go/
sudo mkdir -p /usr/local/go/
sudo tar -xvf /tmp/go.tgz -C /usr/local/go/ --strip-components=1
export GOPATH=$HOME/go/
export PATH=$PATH:/usr/local/go/bin/
@ -30,7 +21,7 @@ git clone https://github.com/containerd/containerd
cd containerd
git fetch origin --tags
git checkout v1.7.0
git checkout v1.3.2
make
sudo make install

View File

@ -0,0 +1,12 @@
[Unit]
Description=faasd-containerd
[Service]
MemoryLimit=500M
ExecStart=/usr/local/bin/faas-containerd
Restart=on-failure
RestartSec=10s
WorkingDirectory=/usr/local/bin/
[Install]
WantedBy=multi-user.target

View File

@ -1,15 +0,0 @@
[Unit]
Description=faasd-provider
[Service]
MemoryLimit=500M
Environment="secret_mount_path={{.SecretMountPath}}"
Environment="basic_auth=true"
Environment="hosts_dir=/var/lib/faasd"
ExecStart=/usr/local/bin/faasd provider
Restart=on-failure
RestartSec=10s
WorkingDirectory={{.Cwd}}
[Install]
WantedBy=multi-user.target

View File

@ -1,6 +1,6 @@
[Unit]
Description=faasd
After=faasd-provider.service
After=faas-containerd.service
[Service]
MemoryLimit=500M

View File

@ -1,190 +0,0 @@
#!/bin/bash
# Copyright OpenFaaS Author(s) 2022
set -e -x -o pipefail
export OWNER="openfaas"
export REPO="faasd"
# On CentOS /usr/local/bin is not included in the PATH when using sudo.
# Running arkade with sudo on CentOS requires the full path
# to the arkade binary.
export ARKADE=/usr/local/bin/arkade
# When running as a startup script (cloud-init), the HOME variable is not always set.
# As it is required for arkade to properly download tools,
# set the variable to /usr/local so arkade will download binaries to /usr/local/.arkade
if [ -z "${HOME}" ]; then
export HOME=/usr/local
fi
version=""
echo "Finding latest version from GitHub"
version=$(curl -sI https://github.com/$OWNER/$REPO/releases/latest | grep -i "location:" | awk -F"/" '{ printf "%s", $NF }' | tr -d '\r')
echo "$version"
if [ ! $version ]; then
echo "Failed while attempting to get latest version"
exit 1
fi
SUDO=sudo
if [ "$(id -u)" -eq 0 ]; then
SUDO=
fi
verify_system() {
if ! [ -d /run/systemd ]; then
fatal 'Can not find systemd to use as a process supervisor for faasd'
fi
}
has_yum() {
[ -n "$(command -v yum)" ]
}
has_apt_get() {
[ -n "$(command -v apt-get)" ]
}
has_pacman() {
[ -n "$(command -v pacman)" ]
}
install_required_packages() {
if $(has_apt_get); then
# Debian bullseye is missing iptables. Added to required packages
# to get it working in raspberry pi. No such known issues in
# other distros. Hence, adding only to this block.
# reference: https://github.com/openfaas/faasd/pull/237
$SUDO apt-get update -y
$SUDO apt-get install -y curl runc bridge-utils iptables
elif $(has_yum); then
$SUDO yum check-update -y
$SUDO yum install -y curl runc iptables-services
elif $(has_pacman); then
$SUDO pacman -Syy
$SUDO pacman -Sy curl runc bridge-utils
else
fatal "Could not find apt-get, yum, or pacman. Cannot install dependencies on this OS."
exit 1
fi
}
install_arkade(){
curl -sLS https://get.arkade.dev | $SUDO sh
arkade --help
}
install_cni_plugins() {
cni_version=v0.9.1
$SUDO $ARKADE system install cni --version ${cni_version} --path /opt/cni/bin --progress=false
}
install_containerd() {
CONTAINERD_VER=1.7.0
$SUDO systemctl unmask containerd || :
arch=$(uname -m)
if [ $arch == "armv7l" ]; then
$SUDO curl -fSLs "https://github.com/alexellis/containerd-arm/releases/download/v${CONTAINERD_VER}/containerd-${CONTAINERD_VER}-linux-armhf.tar.gz" --output "/tmp/containerd.tar.gz"
$SUDO tar -xvf /tmp/containerd.tar.gz -C /usr/local/bin/
$SUDO curl -fSLs https://raw.githubusercontent.com/containerd/containerd/v${CONTAINERD_VER}/containerd.service --output "/etc/systemd/system/containerd.service"
$SUDO systemctl enable containerd
$SUDO systemctl start containerd
else
$SUDO $ARKADE system install containerd --systemd --version v${CONTAINERD_VER} --progress=false
fi
sleep 5
}
install_faasd() {
arch=$(uname -m)
case $arch in
x86_64 | amd64)
suffix=""
;;
aarch64)
suffix=-arm64
;;
armv7l)
suffix=-armhf
;;
*)
echo "Unsupported architecture $arch"
exit 1
;;
esac
$SUDO curl -fSLs "https://github.com/openfaas/faasd/releases/download/${version}/faasd${suffix}" --output "/usr/local/bin/faasd"
$SUDO chmod a+x "/usr/local/bin/faasd"
mkdir -p /tmp/faasd-${version}-installation/hack
cd /tmp/faasd-${version}-installation
$SUDO curl -fSLs "https://raw.githubusercontent.com/openfaas/faasd/${version}/docker-compose.yaml" --output "docker-compose.yaml"
$SUDO curl -fSLs "https://raw.githubusercontent.com/openfaas/faasd/${version}/prometheus.yml" --output "prometheus.yml"
$SUDO curl -fSLs "https://raw.githubusercontent.com/openfaas/faasd/${version}/resolv.conf" --output "resolv.conf"
$SUDO curl -fSLs "https://raw.githubusercontent.com/openfaas/faasd/${version}/hack/faasd-provider.service" --output "hack/faasd-provider.service"
$SUDO curl -fSLs "https://raw.githubusercontent.com/openfaas/faasd/${version}/hack/faasd.service" --output "hack/faasd.service"
$SUDO /usr/local/bin/faasd install
}
install_caddy() {
if [ ! -z "${FAASD_DOMAIN}" ]; then
CADDY_VER=v2.4.3
arkade get --progress=false caddy -v ${CADDY_VER}
# /usr/bin/caddy is specified in the upstream service file.
$SUDO install -m 755 $HOME/.arkade/bin/caddy /usr/bin/caddy
$SUDO curl -fSLs https://raw.githubusercontent.com/caddyserver/dist/master/init/caddy.service --output /etc/systemd/system/caddy.service
$SUDO mkdir -p /etc/caddy
$SUDO mkdir -p /var/lib/caddy
if $(id caddy >/dev/null 2>&1); then
echo "User caddy already exists."
else
$SUDO useradd --system --home /var/lib/caddy --shell /bin/false caddy
fi
$SUDO tee /etc/caddy/Caddyfile >/dev/null <<EOF
{
email "${LETSENCRYPT_EMAIL}"
}
${FAASD_DOMAIN} {
reverse_proxy 127.0.0.1:8080
}
EOF
$SUDO chown --recursive caddy:caddy /var/lib/caddy
$SUDO chown --recursive caddy:caddy /etc/caddy
$SUDO systemctl enable caddy
$SUDO systemctl start caddy
else
echo "Skipping caddy installation as FAASD_DOMAIN."
fi
}
install_faas_cli() {
arkade get --progress=false faas-cli
$SUDO install -m 755 $HOME/.arkade/bin/faas-cli /usr/local/bin/
}
verify_system
install_required_packages
$SUDO /sbin/sysctl -w net.ipv4.conf.all.forwarding=1
echo "net.ipv4.conf.all.forwarding=1" | $SUDO tee -a /etc/sysctl.conf
install_arkade
install_cni_plugins
install_containerd
install_faas_cli
install_faasd
install_caddy

18
main.go
View File

@ -1,10 +1,9 @@
package main
import (
"fmt"
"os"
"github.com/openfaas/faasd/cmd"
"github.com/alexellis/faasd/cmd"
)
// These values will be injected into these variables at the build time.
@ -16,21 +15,6 @@ var (
)
func main() {
if _, ok := os.LookupEnv("CONTAINER_ID"); ok {
collect := cmd.RootCommand()
collect.SetArgs([]string{"collect"})
collect.SilenceUsage = true
collect.SilenceErrors = true
err := collect.Execute()
if err != nil {
fmt.Fprintf(os.Stderr, err.Error())
os.Exit(1)
}
os.Exit(0)
}
if err := cmd.Execute(Version, GitCommit); err != nil {
os.Exit(1)
}

View File

@ -1,262 +0,0 @@
package cninetwork
import (
"bufio"
"context"
"fmt"
"io"
"io/ioutil"
"log"
"net"
"os"
"path"
"path/filepath"
"strings"
"github.com/containerd/containerd"
gocni "github.com/containerd/go-cni"
"github.com/pkg/errors"
)
const (
// CNIBinDir describes the directory where the CNI binaries are stored
CNIBinDir = "/opt/cni/bin"
// CNIConfDir describes the directory where the CNI plugin's configuration is stored
CNIConfDir = "/etc/cni/net.d"
// NetNSPathFmt gives the path to the a process network namespace, given the pid
NetNSPathFmt = "/proc/%d/ns/net"
// CNIDataDir is the directory CNI stores allocated IP for containers
CNIDataDir = "/var/run/cni"
// defaultCNIConfFilename is the vanity filename of default CNI configuration file
defaultCNIConfFilename = "10-openfaas.conflist"
// defaultNetworkName names the "docker-bridge"-like CNI plugin-chain installed when no other CNI configuration is present.
// This value appears in iptables comments created by CNI.
defaultNetworkName = "openfaas-cni-bridge"
// defaultBridgeName is the default bridge device name used in the defaultCNIConf
defaultBridgeName = "openfaas0"
// defaultSubnet is the default subnet used in the defaultCNIConf -- this value is set to not collide with common container networking subnets:
defaultSubnet = "10.62.0.0/16"
// defaultIfPrefix is the interface name to be created in the container
defaultIfPrefix = "eth"
)
// defaultCNIConf is a CNI configuration that enables network access to containers (docker-bridge style)
var defaultCNIConf = fmt.Sprintf(`
{
"cniVersion": "0.4.0",
"name": "%s",
"plugins": [
{
"type": "bridge",
"bridge": "%s",
"isGateway": true,
"ipMasq": true,
"ipam": {
"type": "host-local",
"subnet": "%s",
"dataDir": "%s",
"routes": [
{ "dst": "0.0.0.0/0" }
]
}
},
{
"type": "firewall"
}
]
}
`, defaultNetworkName, defaultBridgeName, defaultSubnet, CNIDataDir)
// InitNetwork writes configlist file and initializes CNI network
func InitNetwork() (gocni.CNI, error) {
log.Printf("Writing network config...\n")
if !dirExists(CNIConfDir) {
if err := os.MkdirAll(CNIConfDir, 0755); err != nil {
return nil, fmt.Errorf("cannot create directory: %s", CNIConfDir)
}
}
netConfig := path.Join(CNIConfDir, defaultCNIConfFilename)
if err := ioutil.WriteFile(netConfig, []byte(defaultCNIConf), 644); err != nil {
return nil, fmt.Errorf("cannot write network config: %s", defaultCNIConfFilename)
}
// Initialize CNI library
cni, err := gocni.New(
gocni.WithPluginConfDir(CNIConfDir),
gocni.WithPluginDir([]string{CNIBinDir}),
gocni.WithInterfacePrefix(defaultIfPrefix),
)
if err != nil {
return nil, fmt.Errorf("error initializing cni: %s", err)
}
// Load the cni configuration
if err := cni.Load(gocni.WithLoNetwork, gocni.WithConfListFile(filepath.Join(CNIConfDir, defaultCNIConfFilename))); err != nil {
return nil, fmt.Errorf("failed to load cni configuration: %v", err)
}
return cni, nil
}
// CreateCNINetwork creates a CNI network interface and attaches it to the context
func CreateCNINetwork(ctx context.Context, cni gocni.CNI, task containerd.Task, labels map[string]string) (*gocni.CNIResult, error) {
id := netID(task)
netns := netNamespace(task)
result, err := cni.Setup(ctx, id, netns, gocni.WithLabels(labels))
if err != nil {
return nil, errors.Wrapf(err, "Failed to setup network for task %q: %v", id, err)
}
return result, nil
}
// DeleteCNINetwork deletes a CNI network based on task ID and Pid
func DeleteCNINetwork(ctx context.Context, cni gocni.CNI, client *containerd.Client, name string) error {
container, containerErr := client.LoadContainer(ctx, name)
if containerErr == nil {
task, err := container.Task(ctx, nil)
if err != nil {
log.Printf("[Delete] unable to find task for container: %s\n", name)
return nil
}
log.Printf("[Delete] removing CNI network for: %s\n", task.ID())
id := netID(task)
netns := netNamespace(task)
if err := cni.Remove(ctx, id, netns); err != nil {
return errors.Wrapf(err, "Failed to remove network for task: %q, %v", id, err)
}
log.Printf("[Delete] removed: %s from namespace: %s, ID: %s\n", name, netns, id)
return nil
}
return errors.Wrapf(containerErr, "Unable to find container: %s, error: %s", name, containerErr)
}
// GetIPAddress returns the IP address from container based on container name and PID
func GetIPAddress(container string, PID uint32) (string, error) {
CNIDir := path.Join(CNIDataDir, defaultNetworkName)
files, err := ioutil.ReadDir(CNIDir)
if err != nil {
return "", fmt.Errorf("failed to read CNI dir for container %s: %v", container, err)
}
for _, file := range files {
// each fileName is an IP address
fileName := file.Name()
resultsFile := filepath.Join(CNIDir, fileName)
found, err := isCNIResultForPID(resultsFile, container, PID)
if err != nil {
return "", err
}
if found {
return fileName, nil
}
}
return "", fmt.Errorf("unable to get IP address for container: %s", container)
}
// isCNIResultForPID confirms if the CNI result file contains the
// process name, PID and interface name
//
// Example:
//
// /var/run/cni/openfaas-cni-bridge/10.62.0.2
//
// nats-621
// eth1
func isCNIResultForPID(fileName, container string, PID uint32) (bool, error) {
found := false
f, err := os.Open(fileName)
if err != nil {
return false, fmt.Errorf("failed to open CNI IP file for %s: %v", fileName, err)
}
defer f.Close()
reader := bufio.NewReader(f)
processLine, _ := reader.ReadString('\n')
if strings.Contains(processLine, fmt.Sprintf("%s-%d", container, PID)) {
ethNameLine, _ := reader.ReadString('\n')
if strings.Contains(ethNameLine, defaultIfPrefix) {
found = true
}
}
return found, nil
}
// CNIGateway returns the gateway for default subnet
func CNIGateway() (string, error) {
ip, _, err := net.ParseCIDR(defaultSubnet)
if err != nil {
return "", fmt.Errorf("error formatting gateway for network %s", defaultSubnet)
}
ip = ip.To4()
ip[3] = 1
return ip.String(), nil
}
// netID generates the network IF based on task name and task PID
func netID(task containerd.Task) string {
return fmt.Sprintf("%s-%d", task.ID(), task.Pid())
}
// netNamespace generates the namespace path based on task PID.
func netNamespace(task containerd.Task) string {
return fmt.Sprintf(NetNSPathFmt, task.Pid())
}
func dirEmpty(dirname string) (isEmpty bool) {
if !dirExists(dirname) {
return
}
f, err := os.Open(dirname)
if err != nil {
return
}
defer func() { _ = f.Close() }()
// If the first file is EOF, the directory is empty
if _, err = f.Readdir(1); err == io.EOF {
isEmpty = true
}
return isEmpty
}
func dirExists(dirname string) bool {
exists, info := pathExists(dirname)
if !exists {
return false
}
return info.IsDir()
}
func pathExists(path string) (bool, os.FileInfo) {
info, err := os.Stat(path)
if os.IsNotExist(err) {
return false, nil
}
return true, info
}

View File

@ -1,63 +0,0 @@
package cninetwork
import (
"io/ioutil"
"os"
"path/filepath"
"testing"
)
func Test_isCNIResultForPID_Found(t *testing.T) {
body := `nats-621
eth1`
fileName := `10.62.0.2`
container := "nats"
PID := uint32(621)
fullPath := filepath.Join(os.TempDir(), fileName)
err := ioutil.WriteFile(fullPath, []byte(body), 0700)
if err != nil {
t.Fatalf(err.Error())
}
defer func() {
os.Remove(fullPath)
}()
got, err := isCNIResultForPID(fullPath, container, PID)
if err != nil {
t.Fatalf(err.Error())
}
want := true
if got != want {
t.Fatalf("want %v, but got %v", want, got)
}
}
func Test_isCNIResultForPID_NoMatch(t *testing.T) {
body := `nats-621
eth1`
fileName := `10.62.0.3`
container := "gateway"
PID := uint32(621)
fullPath := filepath.Join(os.TempDir(), fileName)
err := ioutil.WriteFile(fullPath, []byte(body), 0700)
if err != nil {
t.Fatalf(err.Error())
}
defer func() {
os.Remove(fullPath)
}()
got, err := isCNIResultForPID(fullPath, container, PID)
if err != nil {
t.Fatalf(err.Error())
}
want := false
if got != want {
t.Fatalf("want %v, but got %v", want, got)
}
}

View File

@ -1,16 +0,0 @@
package pkg
const (
// DefaultFunctionNamespace is the default containerd namespace functions are created
DefaultFunctionNamespace = "openfaas-fn"
// NamespaceLabel indicates that a namespace is managed by faasd
NamespaceLabel = "openfaas"
// FaasdNamespace is the containerd namespace services are created
FaasdNamespace = "openfaas"
faasServicesPullAlways = false
defaultSnapshotter = "overlayfs"
)

View File

@ -1,106 +0,0 @@
package depgraph
import "log"
// Node represents a node in a Graph with
// 0 to many edges
type Node struct {
Name string
Edges []*Node
}
// Graph is a collection of nodes
type Graph struct {
nodes []*Node
}
func NewDepgraph() *Graph {
return &Graph{
nodes: []*Node{},
}
}
// Nodes returns the nodes within the graph
func (g *Graph) Nodes() []*Node {
return g.nodes
}
// Contains returns true if the target Node is found
// in its list
func (g *Graph) Contains(target *Node) bool {
for _, g := range g.nodes {
if g.Name == target.Name {
return true
}
}
return false
}
// Add places a Node into the current Graph
func (g *Graph) Add(target *Node) {
g.nodes = append(g.nodes, target)
}
// Remove deletes a target Node reference from the
// list of nodes in the graph
func (g *Graph) Remove(target *Node) {
var found *int
for i, n := range g.nodes {
if n == target {
found = &i
break
}
}
if found != nil {
g.nodes = append(g.nodes[:*found], g.nodes[*found+1:]...)
}
}
// Resolve retruns a list of node names in order of their dependencies.
// A use case may be for determining the correct order to install
// software packages, or to start services.
// Based upon the algorithm described by Ferry Boender in the following article
// https://www.electricmonk.nl/log/2008/08/07/dependency-resolving-algorithm/
func (g *Graph) Resolve() []string {
resolved := &Graph{}
unresolved := &Graph{}
for _, node := range g.nodes {
resolve(node, resolved, unresolved)
}
order := []string{}
for _, node := range resolved.Nodes() {
order = append(order, node.Name)
}
return order
}
// resolve mutates the resolved graph for a given starting
// node. The unresolved graph is used to detect a circular graph
// error and will throw a panic. This can be caught with a resolve
// in a go routine.
func resolve(node *Node, resolved, unresolved *Graph) {
unresolved.Add(node)
for _, edge := range node.Edges {
if !resolved.Contains(edge) && unresolved.Contains(edge) {
log.Panicf("edge: %s may be a circular dependency", edge.Name)
}
resolve(edge, resolved, unresolved)
}
for _, r := range resolved.nodes {
if r.Name == node.Name {
return
}
}
resolved.Add(node)
unresolved.Remove(node)
}

View File

@ -1,41 +0,0 @@
package depgraph
import "testing"
func Test_RemoveMedial(t *testing.T) {
g := Graph{nodes: []*Node{}}
a := &Node{Name: "A"}
b := &Node{Name: "B"}
c := &Node{Name: "C"}
g.nodes = append(g.nodes, a)
g.nodes = append(g.nodes, b)
g.nodes = append(g.nodes, c)
g.Remove(b)
for _, n := range g.nodes {
if n.Name == b.Name {
t.Fatalf("Found deleted node: %s", n.Name)
}
}
}
func Test_RemoveFinal(t *testing.T) {
g := Graph{nodes: []*Node{}}
a := &Node{Name: "A"}
b := &Node{Name: "B"}
c := &Node{Name: "C"}
g.nodes = append(g.nodes, a)
g.nodes = append(g.nodes, b)
g.nodes = append(g.nodes, c)
g.Remove(c)
for _, n := range g.nodes {
if n.Name == c.Name {
t.Fatalf("Found deleted node: %s", c.Name)
}
}
}

View File

@ -1,41 +0,0 @@
package pkg
import (
"log"
"github.com/openfaas/faasd/pkg/depgraph"
)
func buildDeploymentOrder(svcs []Service) []string {
graph := buildServiceGraph(svcs)
order := graph.Resolve()
log.Printf("Start-up order:\n")
for _, node := range order {
log.Printf("- %s\n", node)
}
return order
}
func buildServiceGraph(svcs []Service) *depgraph.Graph {
graph := depgraph.NewDepgraph()
nodeMap := map[string]*depgraph.Node{}
for _, s := range svcs {
n := &depgraph.Node{Name: s.Name}
nodeMap[s.Name] = n
graph.Add(n)
}
for _, s := range svcs {
for _, d := range s.DependsOn {
nodeMap[s.Name].Edges = append(nodeMap[s.Name].Edges, nodeMap[d])
}
}
return graph
}

View File

@ -1,224 +0,0 @@
package pkg
import (
"log"
"testing"
)
func Test_buildDeploymentOrder_ARequiresB(t *testing.T) {
svcs := []Service{
{
Name: "A",
DependsOn: []string{"B"},
},
{
Name: "B",
DependsOn: []string{},
},
}
order := buildDeploymentOrder(svcs)
if len(order) < len(svcs) {
t.Fatalf("length of order too short: %d", len(order))
}
got := order[0]
want := "B"
if got != want {
t.Fatalf("%s should be last to be installed, but was: %s", want, got)
}
}
func Test_buildDeploymentOrder_ARequiresBAndC(t *testing.T) {
svcs := []Service{
{
Name: "A",
DependsOn: []string{"B", "C"},
},
{
Name: "B",
DependsOn: []string{},
},
{
Name: "C",
DependsOn: []string{},
},
}
order := buildDeploymentOrder(svcs)
if len(order) < len(svcs) {
t.Fatalf("length of order too short: %d", len(order))
}
a := indexStr(order, "a")
b := indexStr(order, "b")
c := indexStr(order, "c")
if a > b {
t.Fatalf("a should be after dependencies")
}
if a > c {
t.Fatalf("a should be after dependencies")
}
}
func Test_buildDeploymentOrder_ARequiresBRequiresC(t *testing.T) {
svcs := []Service{
{
Name: "A",
DependsOn: []string{"B"},
},
{
Name: "B",
DependsOn: []string{"C"},
},
{
Name: "C",
DependsOn: []string{},
},
}
order := buildDeploymentOrder(svcs)
if len(order) < len(svcs) {
t.Fatalf("length of order too short: %d", len(order))
}
got := order[0]
want := "C"
if got != want {
t.Fatalf("%s should be last to be installed, but was: %s", want, got)
}
got = order[1]
want = "B"
if got != want {
t.Fatalf("%s should be last to be installed, but was: %s", want, got)
}
got = order[2]
want = "A"
if got != want {
t.Fatalf("%s should be last to be installed, but was: %s", want, got)
}
}
func Test_buildDeploymentOrderCircularARequiresBRequiresA(t *testing.T) {
svcs := []Service{
{
Name: "A",
DependsOn: []string{"B"},
},
{
Name: "B",
DependsOn: []string{"A"},
},
}
defer func() { recover() }()
buildDeploymentOrder(svcs)
t.Fatalf("did not panic as expected")
}
func Test_buildDeploymentOrderComposeFile(t *testing.T) {
// svcs := []Service{}
file, err := LoadComposeFileWithArch("../", "docker-compose.yaml", func() (string, string) {
return "x86_64", "Linux"
})
if err != nil {
t.Fatalf("unable to load compose file: %s", err)
}
svcs, err := ParseCompose(file)
if err != nil {
t.Fatalf("unable to parse compose file: %s", err)
}
for _, s := range svcs {
log.Printf("Service: %s\n", s.Name)
for _, d := range s.DependsOn {
log.Printf("Link: %s => %s\n", s.Name, d)
}
}
order := buildDeploymentOrder(svcs)
if len(order) < len(svcs) {
t.Fatalf("length of order too short: %d", len(order))
}
queueWorker := indexStr(order, "queue-worker")
nats := indexStr(order, "nats")
gateway := indexStr(order, "gateway")
prometheus := indexStr(order, "prometheus")
if prometheus > gateway {
t.Fatalf("Prometheus order was after gateway, and should be before")
}
if nats > gateway {
t.Fatalf("NATS order was after gateway, and should be before")
}
if nats > queueWorker {
t.Fatalf("NATS order was after queue-worker, and should be before")
}
}
func Test_buildDeploymentOrderOpenFaaS(t *testing.T) {
svcs := []Service{
{
Name: "queue-worker",
DependsOn: []string{"nats"},
},
{
Name: "prometheus",
DependsOn: []string{},
},
{
Name: "gateway",
DependsOn: []string{"prometheus", "nats", "basic-auth-plugin"},
},
{
Name: "basic-auth-plugin",
DependsOn: []string{},
},
{
Name: "nats",
DependsOn: []string{},
},
}
order := buildDeploymentOrder(svcs)
if len(order) < len(svcs) {
t.Fatalf("length of order too short: %d", len(order))
}
queueWorker := indexStr(order, "queue-worker")
nats := indexStr(order, "nats")
gateway := indexStr(order, "gateway")
prometheus := indexStr(order, "prometheus")
if prometheus > gateway {
t.Fatalf("Prometheus order was after gateway, and should be before")
}
if nats > gateway {
t.Fatalf("NATS order was after gateway, and should be before")
}
if nats > queueWorker {
t.Fatalf("NATS order was after queue-worker, and should be before")
}
}
func indexStr(st []string, t string) int {
for n, s := range st {
if s == t {
return n
}
}
return -1
}

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@ -1,104 +0,0 @@
package pkg
import (
"io/ioutil"
"log"
"os"
"strings"
"sync"
"time"
)
// LocalResolver provides hostname to IP look-up for faasd core services
type LocalResolver struct {
Path string
Map map[string]string
Mutex *sync.RWMutex
}
// NewLocalResolver creates a new resolver for reading from a hosts file
func NewLocalResolver(path string) Resolver {
return &LocalResolver{
Path: path,
Mutex: &sync.RWMutex{},
Map: make(map[string]string),
}
}
// Start polling the disk for the hosts file in Path
func (l *LocalResolver) Start() {
var lastStat os.FileInfo
for {
rebuild := false
if info, err := os.Stat(l.Path); err == nil {
if lastStat == nil {
rebuild = true
} else {
if !lastStat.ModTime().Equal(info.ModTime()) {
rebuild = true
}
}
lastStat = info
}
if rebuild {
log.Printf("Resolver rebuilding map")
l.rebuild()
}
time.Sleep(time.Second * 3)
}
}
func (l *LocalResolver) rebuild() {
l.Mutex.Lock()
defer l.Mutex.Unlock()
fileData, fileErr := ioutil.ReadFile(l.Path)
if fileErr != nil {
log.Printf("resolver rebuild error: %s", fileErr.Error())
return
}
lines := strings.Split(string(fileData), "\n")
for _, line := range lines {
index := strings.Index(line, "\t")
if len(line) > 0 && index > -1 {
ip := line[:index]
host := line[index+1:]
log.Printf("Resolver: %q=%q", host, ip)
l.Map[host] = ip
}
}
}
// Get resolves a hostname to an IP, or timesout after the duration has passed
func (l *LocalResolver) Get(upstream string, got chan<- string, timeout time.Duration) {
start := time.Now()
for {
if val := l.get(upstream); len(val) > 0 {
got <- val
break
}
if time.Now().After(start.Add(timeout)) {
log.Printf("Timed out after %s getting host %q", timeout.String(), upstream)
break
}
time.Sleep(time.Millisecond * 250)
}
}
func (l *LocalResolver) get(upstream string) string {
l.Mutex.RLock()
defer l.Mutex.RUnlock()
if val, ok := l.Map[upstream]; ok {
return val
}
return ""
}

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@ -1,183 +0,0 @@
package logs
import (
"context"
"encoding/json"
"fmt"
"io"
"log"
"os/exec"
"strconv"
"strings"
"time"
"github.com/openfaas/faas-provider/logs"
faasd "github.com/openfaas/faasd/pkg"
)
type requester struct{}
// New returns a new journalctl log Requester
func New() logs.Requester {
return &requester{}
}
// Query submits a log request to the actual logging system.
func (r *requester) Query(ctx context.Context, req logs.Request) (<-chan logs.Message, error) {
_, err := exec.LookPath("journalctl")
if err != nil {
return nil, fmt.Errorf("can not find journalctl: %w", err)
}
cmd := buildCmd(ctx, req)
stdout, err := cmd.StdoutPipe()
if err != nil {
return nil, fmt.Errorf("failed to create journalctl pipe: %w", err)
}
stderr, err := cmd.StderrPipe()
if err != nil {
return nil, fmt.Errorf("failed to create journalctl err pipe: %w", err)
}
err = cmd.Start()
if err != nil {
return nil, fmt.Errorf("failed to create journalctl: %w", err)
}
// call start and get the stdout prior to streaming so that we can return a meaningful
// error for as long as possible. If the cmd starts correctly, we are highly likely to
// succeed anyway
msgs := make(chan logs.Message)
go streamLogs(ctx, cmd, stdout, msgs)
go logErrOut(stderr)
return msgs, nil
}
// buildCmd reeturns the equivalent of
//
// journalctl -t <namespace>:<name> \
// --output=json \
// --since=<timestamp> \
// <--follow> \
func buildCmd(ctx context.Context, req logs.Request) *exec.Cmd {
// // set the cursor position based on req, default to 5m
since := time.Now().Add(-5 * time.Minute)
if req.Since != nil && req.Since.Before(time.Now()) {
since = *req.Since
}
namespace := req.Namespace
if namespace == "" {
namespace = faasd.DefaultFunctionNamespace
}
// find the description of the fields here
// https://www.freedesktop.org/software/systemd/man/systemd.journal-fields.html
// the available fields can vary greatly, the selected fields were detemined by
// trial and error with journalctl in an ubuntu VM (via multipass)
args := []string{
"--utc",
"--no-pager",
"--output=json",
"--identifier=" + namespace + ":" + req.Name,
fmt.Sprintf("--since=%s", since.UTC().Format("2006-01-02 15:04:05")),
}
if req.Follow {
args = append(args, "--follow")
}
if req.Tail > 0 {
args = append(args, fmt.Sprintf("--lines=%d", req.Tail))
}
return exec.CommandContext(ctx, "journalctl", args...)
}
// streamLogs copies log entries from the journalctl `cmd`/`out` to `msgs`
// the loop is based on the Decoder example in the docs
// https://golang.org/pkg/encoding/json/#Decoder.Decode
func streamLogs(ctx context.Context, cmd *exec.Cmd, out io.ReadCloser, msgs chan logs.Message) {
log.Println("starting journal stream using ", cmd.String())
// will ensure `out` is closed and all related resources cleaned up
go func() {
err := cmd.Wait()
log.Println("wait result", err)
}()
defer func() {
log.Println("closing journal stream")
close(msgs)
}()
dec := json.NewDecoder(out)
for dec.More() {
if ctx.Err() != nil {
log.Println("log stream context cancelled")
return
}
// the journalctl outputs all the values as a string, so a struct with json
// tags wont help much
entry := map[string]string{}
err := dec.Decode(&entry)
if err != nil {
log.Printf("error decoding journalctl output: %s", err)
return
}
msg, err := parseEntry(entry)
if err != nil {
log.Printf("error parsing journalctl output: %s", err)
return
}
msgs <- msg
}
}
// parseEntry reads the deserialized json from journalctl into a log.Message
//
// The following fields are parsed from the journal
// - MESSAGE
// - _PID
// - SYSLOG_IDENTIFIER
// - __REALTIME_TIMESTAMP
func parseEntry(entry map[string]string) (logs.Message, error) {
logMsg := logs.Message{
Text: entry["MESSAGE"],
Instance: entry["_PID"],
}
identifier := entry["SYSLOG_IDENTIFIER"]
parts := strings.Split(identifier, ":")
if len(parts) != 2 {
return logMsg, fmt.Errorf("invalid SYSLOG_IDENTIFIER")
}
logMsg.Namespace = parts[0]
logMsg.Name = parts[1]
ts, ok := entry["__REALTIME_TIMESTAMP"]
if !ok {
return logMsg, fmt.Errorf("missing required field __REALTIME_TIMESTAMP")
}
ms, err := strconv.ParseInt(ts, 10, 64)
if err != nil {
return logMsg, fmt.Errorf("invalid timestamp: %w", err)
}
logMsg.Timestamp = time.Unix(0, ms*1000).UTC()
return logMsg, nil
}
func logErrOut(out io.ReadCloser) {
defer log.Println("stderr closed")
defer out.Close()
io.Copy(log.Writer(), out)
}

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@ -1,73 +0,0 @@
package logs
import (
"context"
"encoding/json"
"fmt"
"strings"
"testing"
"time"
"github.com/openfaas/faas-provider/logs"
)
func Test_parseEntry(t *testing.T) {
rawEntry := `{ "__CURSOR" : "s=71c4550142d14ace8e2959e3540cc15c;i=133c;b=44864010f0d94baba7b6bf8019f82a56;m=2945cd3;t=5a00d4eb59180;x=8ed47f7f9b3d798", "__REALTIME_TIMESTAMP" : "1583353899094400", "__MONOTONIC_TIMESTAMP" : "43277523", "_BOOT_ID" : "44864010f0d94baba7b6bf8019f82a56", "SYSLOG_IDENTIFIER" : "openfaas-fn:nodeinfo", "_PID" : "2254", "MESSAGE" : "2020/03/04 20:31:39 POST / - 200 OK - ContentLength: 83", "_SOURCE_REALTIME_TIMESTAMP" : "1583353899094372" }`
expectedEntry := logs.Message{
Name: "nodeinfo",
Namespace: "openfaas-fn",
Text: "2020/03/04 20:31:39 POST / - 200 OK - ContentLength: 83",
Timestamp: time.Unix(0, 1583353899094400*1000).UTC(),
}
value := map[string]string{}
json.Unmarshal([]byte(rawEntry), &value)
entry, err := parseEntry(value)
if err != nil {
t.Fatalf("unexpected error %s", err)
}
if entry.Name != expectedEntry.Name {
t.Fatalf("want Name: %q, got %q", expectedEntry.Name, entry.Name)
}
if entry.Namespace != expectedEntry.Namespace {
t.Fatalf("want Namespace: %q, got %q", expectedEntry.Namespace, entry.Namespace)
}
if entry.Timestamp != expectedEntry.Timestamp {
t.Fatalf("want Timestamp: %q, got %q", expectedEntry.Timestamp, entry.Timestamp)
}
if entry.Text != expectedEntry.Text {
t.Fatalf("want Text: %q, got %q", expectedEntry.Text, entry.Text)
}
}
func Test_buildCmd(t *testing.T) {
ctx := context.TODO()
now := time.Now()
req := logs.Request{
Name: "loggyfunc",
Namespace: "spacetwo",
Follow: true,
Since: &now,
Tail: 5,
}
expectedArgs := fmt.Sprintf(
"--utc --no-pager --output=json --identifier=spacetwo:loggyfunc --since=%s --follow --lines=5",
now.UTC().Format("2006-01-02 15:04:05"),
)
cmd := buildCmd(ctx, req).String()
wantCmd := "journalctl"
if !strings.Contains(cmd, wantCmd) {
t.Fatalf("cmd want: %q, got: %q", wantCmd, cmd)
}
if !strings.HasSuffix(cmd, expectedArgs) {
t.Fatalf("arg want: %q\ngot: %q", expectedArgs, cmd)
}
}

View File

@ -1,37 +0,0 @@
package config
import (
"time"
types "github.com/openfaas/faas-provider/types"
)
type ProviderConfig struct {
// Sock is the address of the containerd socket
Sock string
}
// ReadFromEnv loads the FaaSConfig and the Containerd specific config form the env variables
func ReadFromEnv(hasEnv types.HasEnv) (*types.FaaSConfig, *ProviderConfig, error) {
config, err := types.ReadConfig{}.Read(hasEnv)
if err != nil {
return nil, nil, err
}
serviceTimeout := types.ParseIntOrDurationValue(hasEnv.Getenv("service_timeout"), time.Second*60)
config.ReadTimeout = serviceTimeout
config.WriteTimeout = serviceTimeout
config.EnableBasicAuth = true
config.MaxIdleConns = types.ParseIntValue(hasEnv.Getenv("max_idle_conns"), 1024)
config.MaxIdleConnsPerHost = types.ParseIntValue(hasEnv.Getenv("max_idle_conns_per_host"), 1024)
port := types.ParseIntValue(hasEnv.Getenv("port"), 8081)
config.TCPPort = &port
providerConfig := &ProviderConfig{
Sock: types.ParseString(hasEnv.Getenv("sock"), "/run/containerd/containerd.sock"),
}
return config, providerConfig, nil
}

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@ -1,107 +0,0 @@
package config
import (
"strconv"
"testing"
)
type EnvBucket struct {
Items map[string]string
}
func NewEnvBucket() EnvBucket {
return EnvBucket{
Items: make(map[string]string),
}
}
func (e EnvBucket) Getenv(key string) string {
return e.Items[key]
}
func (e EnvBucket) Setenv(key string, value string) {
e.Items[key] = value
}
func Test_SetSockByEnv(t *testing.T) {
defaultSock := "/run/containerd/containerd.sock"
expectedSock := "/non/default/value.sock"
env := NewEnvBucket()
_, config, err := ReadFromEnv(env)
if err != nil {
t.Fatalf("unexpected error %s", err)
}
if config.Sock != defaultSock {
t.Fatalf("expected %q, got %q", defaultSock, config.Sock)
}
env.Setenv("sock", expectedSock)
_, config, err = ReadFromEnv(env)
if err != nil {
t.Fatalf("unexpected error %s", err)
}
if config.Sock != expectedSock {
t.Fatalf("expected %q, got %q", expectedSock, config.Sock)
}
}
func Test_SetServiceTimeout(t *testing.T) {
defaultTimeout := "1m0s"
env := NewEnvBucket()
config, _, err := ReadFromEnv(env)
if err != nil {
t.Fatalf("unexpected error %s", err)
}
if config.ReadTimeout.String() != defaultTimeout {
t.Fatalf("expected %q, got %q", defaultTimeout, config.ReadTimeout)
}
if config.WriteTimeout.String() != defaultTimeout {
t.Fatalf("expected %q, got %q", defaultTimeout, config.WriteTimeout)
}
newTimeout := "30s"
env.Setenv("service_timeout", newTimeout)
config, _, err = ReadFromEnv(env)
if err != nil {
t.Fatalf("unexpected error %s", err)
}
if config.ReadTimeout.String() != newTimeout {
t.Fatalf("expected %q, got %q", newTimeout, config.ReadTimeout)
}
if config.WriteTimeout.String() != newTimeout {
t.Fatalf("expected %q, got %q", newTimeout, config.WriteTimeout)
}
}
func Test_SetPort(t *testing.T) {
defaultPort := 8081
env := NewEnvBucket()
config, _, err := ReadFromEnv(env)
if err != nil {
t.Fatalf("unexpected error %s", err)
}
if config.TCPPort == nil {
t.Fatal("expected non-nil TCPPort")
}
if *config.TCPPort != defaultPort {
t.Fatalf("expected %d, got %d", defaultPort, config.TCPPort)
}
newPort := 9091
newPortStr := strconv.Itoa(newPort)
env.Setenv("port", newPortStr)
config, _, err = ReadFromEnv(env)
if err != nil {
t.Fatalf("unexpected error %s", err)
}
if config.TCPPort == nil {
t.Fatal("expected non-nil TCPPort")
}
if *config.TCPPort != newPort {
t.Fatalf("expected %d, got %d", newPort, config.TCPPort)
}
}

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@ -1,90 +0,0 @@
package handlers
import (
"context"
"encoding/json"
"fmt"
"io/ioutil"
"log"
"net/http"
"github.com/containerd/containerd"
"github.com/containerd/containerd/namespaces"
gocni "github.com/containerd/go-cni"
"github.com/openfaas/faas-provider/types"
"github.com/openfaas/faasd/pkg"
cninetwork "github.com/openfaas/faasd/pkg/cninetwork"
"github.com/openfaas/faasd/pkg/service"
)
func MakeDeleteHandler(client *containerd.Client, cni gocni.CNI) func(w http.ResponseWriter, r *http.Request) {
return func(w http.ResponseWriter, r *http.Request) {
if r.Body == nil {
http.Error(w, "expected a body", http.StatusBadRequest)
return
}
defer r.Body.Close()
body, _ := ioutil.ReadAll(r.Body)
log.Printf("[Delete] request: %s\n", string(body))
req := types.DeleteFunctionRequest{}
err := json.Unmarshal(body, &req)
if err != nil {
log.Printf("[Delete] error parsing input: %s\n", err)
http.Error(w, err.Error(), http.StatusBadRequest)
return
}
// namespace moved from the querystring into the body
namespace := req.Namespace
if namespace == "" {
namespace = pkg.DefaultFunctionNamespace
}
// Check if namespace exists, and it has the openfaas label
valid, err := validNamespace(client.NamespaceService(), namespace)
if err != nil {
http.Error(w, err.Error(), http.StatusBadRequest)
return
}
if !valid {
http.Error(w, "namespace not valid", http.StatusBadRequest)
return
}
name := req.FunctionName
function, err := GetFunction(client, name, namespace)
if err != nil {
msg := fmt.Sprintf("service %s not found", name)
log.Printf("[Delete] %s\n", msg)
http.Error(w, msg, http.StatusNotFound)
return
}
ctx := namespaces.WithNamespace(context.Background(), namespace)
// TODO: this needs to still happen if the task is paused
if function.replicas != 0 {
err = cninetwork.DeleteCNINetwork(ctx, cni, client, name)
if err != nil {
log.Printf("[Delete] error removing CNI network for %s, %s\n", name, err)
}
}
if err := service.Remove(ctx, client, name); err != nil {
log.Printf("[Delete] error removing %s, %s\n", name, err)
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
log.Printf("[Delete] deleted %s\n", name)
}
}

View File

@ -1,317 +0,0 @@
package handlers
import (
"context"
"encoding/json"
"fmt"
"io/ioutil"
"log"
"net/http"
"os"
"path"
"time"
"github.com/containerd/containerd"
"github.com/containerd/containerd/cio"
"github.com/containerd/containerd/containers"
"github.com/containerd/containerd/namespaces"
"github.com/containerd/containerd/oci"
gocni "github.com/containerd/go-cni"
"github.com/docker/distribution/reference"
"github.com/opencontainers/runtime-spec/specs-go"
"github.com/openfaas/faas-provider/types"
cninetwork "github.com/openfaas/faasd/pkg/cninetwork"
"github.com/openfaas/faasd/pkg/service"
"github.com/pkg/errors"
"k8s.io/apimachinery/pkg/api/resource"
)
const annotationLabelPrefix = "com.openfaas.annotations."
// MakeDeployHandler returns a handler to deploy a function
func MakeDeployHandler(client *containerd.Client, cni gocni.CNI, secretMountPath string, alwaysPull bool) func(w http.ResponseWriter, r *http.Request) {
return func(w http.ResponseWriter, r *http.Request) {
if r.Body == nil {
http.Error(w, "expected a body", http.StatusBadRequest)
return
}
defer r.Body.Close()
body, _ := ioutil.ReadAll(r.Body)
log.Printf("[Deploy] request: %s\n", string(body))
req := types.FunctionDeployment{}
err := json.Unmarshal(body, &req)
if err != nil {
log.Printf("[Deploy] - error parsing input: %s\n", err)
http.Error(w, err.Error(), http.StatusBadRequest)
return
}
namespace := getRequestNamespace(req.Namespace)
// Check if namespace exists, and it has the openfaas label
valid, err := validNamespace(client.NamespaceService(), namespace)
if err != nil {
http.Error(w, err.Error(), http.StatusBadRequest)
return
}
if !valid {
http.Error(w, "namespace not valid", http.StatusBadRequest)
return
}
namespaceSecretMountPath := getNamespaceSecretMountPath(secretMountPath, namespace)
err = validateSecrets(namespaceSecretMountPath, req.Secrets)
if err != nil {
http.Error(w, err.Error(), http.StatusBadRequest)
return
}
name := req.Service
ctx := namespaces.WithNamespace(context.Background(), namespace)
deployErr := deploy(ctx, req, client, cni, namespaceSecretMountPath, alwaysPull)
if deployErr != nil {
log.Printf("[Deploy] error deploying %s, error: %s\n", name, deployErr)
http.Error(w, deployErr.Error(), http.StatusBadRequest)
return
}
}
}
// prepull is an optimization which means an image can be pulled before a deployment
// request, since a deployment request first deletes the active function before
// trying to deploy a new one.
func prepull(ctx context.Context, req types.FunctionDeployment, client *containerd.Client, alwaysPull bool) (containerd.Image, error) {
start := time.Now()
r, err := reference.ParseNormalizedNamed(req.Image)
if err != nil {
return nil, err
}
imgRef := reference.TagNameOnly(r).String()
snapshotter := ""
if val, ok := os.LookupEnv("snapshotter"); ok {
snapshotter = val
}
image, err := service.PrepareImage(ctx, client, imgRef, snapshotter, alwaysPull)
if err != nil {
return nil, errors.Wrapf(err, "unable to pull image %s", imgRef)
}
size, _ := image.Size(ctx)
log.Printf("Image for: %s size: %d, took: %fs\n", image.Name(), size, time.Since(start).Seconds())
return image, nil
}
func deploy(ctx context.Context, req types.FunctionDeployment, client *containerd.Client, cni gocni.CNI, secretMountPath string, alwaysPull bool) error {
snapshotter := ""
if val, ok := os.LookupEnv("snapshotter"); ok {
snapshotter = val
}
image, err := prepull(ctx, req, client, alwaysPull)
if err != nil {
return err
}
envs := prepareEnv(req.EnvProcess, req.EnvVars)
mounts := getOSMounts()
for _, secret := range req.Secrets {
mounts = append(mounts, specs.Mount{
Destination: path.Join("/var/openfaas/secrets", secret),
Type: "bind",
Source: path.Join(secretMountPath, secret),
Options: []string{"rbind", "ro"},
})
}
name := req.Service
labels, err := buildLabels(&req)
if err != nil {
return fmt.Errorf("unable to apply labels to container: %s, error: %w", name, err)
}
var memory *specs.LinuxMemory
if req.Limits != nil && len(req.Limits.Memory) > 0 {
memory = &specs.LinuxMemory{}
qty, err := resource.ParseQuantity(req.Limits.Memory)
if err != nil {
log.Printf("error parsing (%q) as quantity: %s", req.Limits.Memory, err.Error())
}
v := qty.Value()
memory.Limit = &v
}
container, err := client.NewContainer(
ctx,
name,
containerd.WithImage(image),
containerd.WithSnapshotter(snapshotter),
containerd.WithNewSnapshot(name+"-snapshot", image),
containerd.WithNewSpec(oci.WithImageConfig(image),
oci.WithHostname(name),
oci.WithCapabilities([]string{"CAP_NET_RAW"}),
oci.WithMounts(mounts),
oci.WithEnv(envs),
withMemory(memory)),
containerd.WithContainerLabels(labels),
)
if err != nil {
return fmt.Errorf("unable to create container: %s, error: %w", name, err)
}
return createTask(ctx, container, cni)
}
func buildLabels(request *types.FunctionDeployment) (map[string]string, error) {
// Adapted from faas-swarm/handlers/deploy.go:buildLabels
labels := map[string]string{}
if request.Labels != nil {
for k, v := range *request.Labels {
labels[k] = v
}
}
if request.Annotations != nil {
for k, v := range *request.Annotations {
key := fmt.Sprintf("%s%s", annotationLabelPrefix, k)
if _, ok := labels[key]; !ok {
labels[key] = v
} else {
return nil, errors.New(fmt.Sprintf("Key %s cannot be used as a label due to a conflict with annotation prefix %s", k, annotationLabelPrefix))
}
}
}
return labels, nil
}
func createTask(ctx context.Context, container containerd.Container, cni gocni.CNI) error {
name := container.ID()
task, taskErr := container.NewTask(ctx, cio.BinaryIO("/usr/local/bin/faasd", nil))
if taskErr != nil {
return fmt.Errorf("unable to start task: %s, error: %w", name, taskErr)
}
log.Printf("Container ID: %s\tTask ID %s:\tTask PID: %d\t\n", name, task.ID(), task.Pid())
labels := map[string]string{}
_, err := cninetwork.CreateCNINetwork(ctx, cni, task, labels)
if err != nil {
return err
}
ip, err := cninetwork.GetIPAddress(name, task.Pid())
if err != nil {
return err
}
log.Printf("%s has IP: %s.\n", name, ip)
_, waitErr := task.Wait(ctx)
if waitErr != nil {
return errors.Wrapf(waitErr, "Unable to wait for task to start: %s", name)
}
if startErr := task.Start(ctx); startErr != nil {
return errors.Wrapf(startErr, "Unable to start task: %s", name)
}
return nil
}
func prepareEnv(envProcess string, reqEnvVars map[string]string) []string {
envs := []string{}
fprocessFound := false
fprocess := "fprocess=" + envProcess
if len(envProcess) > 0 {
fprocessFound = true
}
for k, v := range reqEnvVars {
if k == "fprocess" {
fprocessFound = true
fprocess = v
} else {
envs = append(envs, k+"="+v)
}
}
if fprocessFound {
envs = append(envs, fprocess)
}
return envs
}
// getOSMounts provides a mount for os-specific files such
// as the hosts file and resolv.conf
func getOSMounts() []specs.Mount {
// Prior to hosts_dir env-var, this value was set to
// os.Getwd()
hostsDir := "/var/lib/faasd"
if v, ok := os.LookupEnv("hosts_dir"); ok && len(v) > 0 {
hostsDir = v
}
mounts := []specs.Mount{}
mounts = append(mounts, specs.Mount{
Destination: "/etc/resolv.conf",
Type: "bind",
Source: path.Join(hostsDir, "resolv.conf"),
Options: []string{"rbind", "ro"},
})
mounts = append(mounts, specs.Mount{
Destination: "/etc/hosts",
Type: "bind",
Source: path.Join(hostsDir, "hosts"),
Options: []string{"rbind", "ro"},
})
return mounts
}
func validateSecrets(secretMountPath string, secrets []string) error {
for _, secret := range secrets {
if _, err := os.Stat(path.Join(secretMountPath, secret)); err != nil {
return fmt.Errorf("unable to find secret: %s", secret)
}
}
return nil
}
func withMemory(mem *specs.LinuxMemory) oci.SpecOpts {
return func(ctx context.Context, _ oci.Client, c *containers.Container, s *oci.Spec) error {
if mem != nil {
if s.Linux == nil {
s.Linux = &specs.Linux{}
}
if s.Linux.Resources == nil {
s.Linux.Resources = &specs.LinuxResources{}
}
if s.Linux.Resources.Memory == nil {
s.Linux.Resources.Memory = &specs.LinuxMemory{}
}
s.Linux.Resources.Memory.Limit = mem.Limit
}
return nil
}
}

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@ -1,77 +0,0 @@
package handlers
import (
"fmt"
"reflect"
"testing"
"github.com/openfaas/faas-provider/types"
)
func Test_BuildLabels_WithAnnotations(t *testing.T) {
// Test each combination of nil/non-nil annotation + label
tables := []struct {
name string
label map[string]string
annotation map[string]string
result map[string]string
}{
{"Empty label and annotations returns empty table map", nil, nil, map[string]string{}},
{
"Label with empty annotation returns valid map",
map[string]string{"L1": "V1"},
nil,
map[string]string{"L1": "V1"}},
{
"Annotation with empty label returns valid map",
nil,
map[string]string{"A1": "V2"},
map[string]string{fmt.Sprintf("%sA1", annotationLabelPrefix): "V2"}},
{
"Label and annotation provided returns valid combined map",
map[string]string{"L1": "V1"},
map[string]string{"A1": "V2"},
map[string]string{
"L1": "V1",
fmt.Sprintf("%sA1", annotationLabelPrefix): "V2",
},
},
}
for _, tc := range tables {
t.Run(tc.name, func(t *testing.T) {
request := &types.FunctionDeployment{
Labels: &tc.label,
Annotations: &tc.annotation,
}
val, err := buildLabels(request)
if err != nil {
t.Fatalf("want: no error got: %v", err)
}
if !reflect.DeepEqual(val, tc.result) {
t.Errorf("Want: %s, got: %s", val, tc.result)
}
})
}
}
func Test_BuildLabels_WithAnnotationCollision(t *testing.T) {
request := &types.FunctionDeployment{
Labels: &map[string]string{
"function_name": "echo",
fmt.Sprintf("%scurrent-time", annotationLabelPrefix): "Wed 25 Jul 06:41:43 BST 2018",
},
Annotations: &map[string]string{"current-time": "Wed 25 Jul 06:41:43 BST 2018"},
}
val, err := buildLabels(request)
if err == nil {
t.Errorf("Expected an error, got %d values", len(val))
}
}

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@ -1,242 +0,0 @@
package handlers
import (
"context"
"errors"
"fmt"
"log"
"strings"
"time"
"github.com/opencontainers/runtime-spec/specs-go"
"github.com/containerd/containerd"
"github.com/containerd/containerd/namespaces"
"github.com/openfaas/faasd/pkg"
faasd "github.com/openfaas/faasd/pkg"
"github.com/openfaas/faasd/pkg/cninetwork"
)
type Function struct {
name string
namespace string
image string
pid uint32
replicas int
IP string
labels map[string]string
annotations map[string]string
secrets []string
envVars map[string]string
envProcess string
memoryLimit int64
createdAt time.Time
}
// ListFunctions returns a map of all functions with running tasks on namespace
func ListFunctions(client *containerd.Client, namespace string) (map[string]*Function, error) {
// Check if namespace exists, and it has the openfaas label
valid, err := validNamespace(client.NamespaceService(), namespace)
if err != nil {
return nil, err
}
if !valid {
return nil, errors.New("namespace not valid")
}
ctx := namespaces.WithNamespace(context.Background(), namespace)
functions := make(map[string]*Function)
containers, err := client.Containers(ctx)
if err != nil {
return functions, err
}
for _, c := range containers {
name := c.ID()
f, err := GetFunction(client, name, namespace)
if err != nil {
log.Printf("skipping %s, error: %s", name, err)
} else {
functions[name] = &f
}
}
return functions, nil
}
// GetFunction returns a function that matches name
func GetFunction(client *containerd.Client, name string, namespace string) (Function, error) {
ctx := namespaces.WithNamespace(context.Background(), namespace)
fn := Function{}
c, err := client.LoadContainer(ctx, name)
if err != nil {
return Function{}, fmt.Errorf("unable to find function: %s, error %w", name, err)
}
image, err := c.Image(ctx)
if err != nil {
return fn, err
}
containerName := c.ID()
allLabels, labelErr := c.Labels(ctx)
if labelErr != nil {
log.Printf("cannot list container %s labels: %s", containerName, labelErr)
}
labels, annotations := buildLabelsAndAnnotations(allLabels)
spec, err := c.Spec(ctx)
if err != nil {
return Function{}, fmt.Errorf("unable to load function %s error: %w", name, err)
}
info, err := c.Info(ctx)
if err != nil {
return Function{}, fmt.Errorf("can't load info for: %s, error %w", name, err)
}
envVars, envProcess := readEnvFromProcessEnv(spec.Process.Env)
secrets := readSecretsFromMounts(spec.Mounts)
fn.name = containerName
fn.namespace = namespace
fn.image = image.Name()
fn.labels = labels
fn.annotations = annotations
fn.secrets = secrets
fn.envVars = envVars
fn.envProcess = envProcess
fn.createdAt = info.CreatedAt
fn.memoryLimit = readMemoryLimitFromSpec(spec)
replicas := 0
task, err := c.Task(ctx, nil)
if err == nil {
// Task for container exists
svc, err := task.Status(ctx)
if err != nil {
return Function{}, fmt.Errorf("unable to get task status for container: %s %w", name, err)
}
if svc.Status == "running" {
replicas = 1
fn.pid = task.Pid()
// Get container IP address
ip, err := cninetwork.GetIPAddress(name, task.Pid())
if err != nil {
return Function{}, err
}
fn.IP = ip
}
} else {
replicas = 0
}
fn.replicas = replicas
return fn, nil
}
func readEnvFromProcessEnv(env []string) (map[string]string, string) {
foundEnv := make(map[string]string)
fprocess := ""
for _, e := range env {
kv := strings.Split(e, "=")
if len(kv) == 1 {
continue
}
if kv[0] == "PATH" {
continue
}
if kv[0] == "fprocess" {
fprocess = kv[1]
continue
}
foundEnv[kv[0]] = kv[1]
}
return foundEnv, fprocess
}
func readSecretsFromMounts(mounts []specs.Mount) []string {
secrets := []string{}
for _, mnt := range mounts {
x := strings.Split(mnt.Destination, "/var/openfaas/secrets/")
if len(x) > 1 {
secrets = append(secrets, x[1])
}
}
return secrets
}
// buildLabelsAndAnnotations returns a separated list with labels first,
// followed by annotations by checking each key of ctrLabels for a prefix.
func buildLabelsAndAnnotations(ctrLabels map[string]string) (map[string]string, map[string]string) {
labels := make(map[string]string)
annotations := make(map[string]string)
for k, v := range ctrLabels {
if strings.HasPrefix(k, annotationLabelPrefix) {
annotations[strings.TrimPrefix(k, annotationLabelPrefix)] = v
} else {
labels[k] = v
}
}
return labels, annotations
}
func ListNamespaces(client *containerd.Client) []string {
set := []string{}
store := client.NamespaceService()
namespaces, err := store.List(context.Background())
if err != nil {
log.Printf("Error listing namespaces: %s", err.Error())
set = append(set, faasd.DefaultFunctionNamespace)
return set
}
for _, namespace := range namespaces {
labels, err := store.Labels(context.Background(), namespace)
if err != nil {
log.Printf("Error listing label for namespace %s: %s", namespace, err.Error())
continue
}
if _, found := labels[pkg.NamespaceLabel]; found {
set = append(set, namespace)
}
if !findNamespace(faasd.DefaultFunctionNamespace, set) {
set = append(set, faasd.DefaultFunctionNamespace)
}
}
return set
}
func findNamespace(target string, items []string) bool {
for _, n := range items {
if n == target {
return true
}
}
return false
}
func readMemoryLimitFromSpec(spec *specs.Spec) int64 {
if spec.Linux == nil || spec.Linux.Resources == nil || spec.Linux.Resources.Memory == nil || spec.Linux.Resources.Memory.Limit == nil {
return 0
}
return *spec.Linux.Resources.Memory.Limit
}

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@ -1,133 +0,0 @@
package handlers
import (
"fmt"
"reflect"
"testing"
"github.com/opencontainers/runtime-spec/specs-go"
)
func Test_BuildLabelsAndAnnotationsFromServiceSpec_Annotations(t *testing.T) {
container := map[string]string{
"qwer": "ty",
"dvor": "ak",
fmt.Sprintf("%scurrent-time", annotationLabelPrefix): "5 Nov 20:10:20 PST 1955",
fmt.Sprintf("%sfuture-time", annotationLabelPrefix): "21 Oct 20:10:20 PST 2015",
}
labels, annotation := buildLabelsAndAnnotations(container)
if len(labels) != 2 {
t.Errorf("want: %d labels got: %d", 2, len(labels))
}
if len(annotation) != 2 {
t.Errorf("want: %d annotation got: %d", 1, len(annotation))
}
if _, ok := annotation["current-time"]; !ok {
t.Errorf("want: '%s' entry in annotation map got: key not found", "current-time")
}
}
func Test_SplitMountToSecrets(t *testing.T) {
type testCase struct {
Name string
Input []specs.Mount
Want []string
}
tests := []testCase{
{Name: "No matching openfaas secrets", Input: []specs.Mount{{Destination: "/foo/"}}, Want: []string{}},
{Name: "Nil mounts", Input: nil, Want: []string{}},
{Name: "No Mounts", Input: []specs.Mount{{Destination: "/foo/"}}, Want: []string{}},
{Name: "One Mounts IS secret", Input: []specs.Mount{{Destination: "/var/openfaas/secrets/secret1"}}, Want: []string{"secret1"}},
{Name: "Multiple Mounts 1 secret", Input: []specs.Mount{{Destination: "/var/openfaas/secrets/secret1"}, {Destination: "/some/other/path"}}, Want: []string{"secret1"}},
{Name: "Multiple Mounts all secrets", Input: []specs.Mount{{Destination: "/var/openfaas/secrets/secret1"}, {Destination: "/var/openfaas/secrets/secret2"}}, Want: []string{"secret1", "secret2"}},
}
for _, tc := range tests {
t.Run(tc.Name, func(t *testing.T) {
got := readSecretsFromMounts(tc.Input)
if !reflect.DeepEqual(got, tc.Want) {
t.Fatalf("Want %s, got %s", tc.Want, got)
}
})
}
}
func Test_ProcessEnvToEnvVars(t *testing.T) {
type testCase struct {
Name string
Input []string
Want map[string]string
fprocess string
}
tests := []testCase{
{Name: "No matching EnvVars", Input: []string{"PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin", "fprocess=python index.py"}, Want: make(map[string]string), fprocess: "python index.py"},
{Name: "No EnvVars", Input: []string{}, Want: make(map[string]string), fprocess: ""},
{Name: "One EnvVar", Input: []string{"PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin", "fprocess=python index.py", "env=this"}, Want: map[string]string{"env": "this"}, fprocess: "python index.py"},
{Name: "Multiple EnvVars", Input: []string{"PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin", "this=that", "env=var", "fprocess=python index.py"}, Want: map[string]string{"this": "that", "env": "var"}, fprocess: "python index.py"},
{Name: "Nil EnvVars", Input: nil, Want: make(map[string]string)},
}
for _, tc := range tests {
t.Run(tc.Name, func(t *testing.T) {
got, fprocess := readEnvFromProcessEnv(tc.Input)
if !reflect.DeepEqual(got, tc.Want) {
t.Fatalf("Want: %s, got: %s", tc.Want, got)
}
if fprocess != tc.fprocess {
t.Fatalf("Want fprocess: %s, got: %s", tc.fprocess, got)
}
})
}
}
func Test_findNamespace(t *testing.T) {
type testCase struct {
Name string
foundNamespaces []string
namespace string
Want bool
}
tests := []testCase{
{Name: "Namespace Found", namespace: "fn", foundNamespaces: []string{"fn", "openfaas-fn"}, Want: true},
{Name: "namespace Not Found", namespace: "fn", foundNamespaces: []string{"openfaas-fn"}, Want: false},
}
for _, tc := range tests {
t.Run(tc.Name, func(t *testing.T) {
got := findNamespace(tc.namespace, tc.foundNamespaces)
if got != tc.Want {
t.Fatalf("Want %t, got %t", tc.Want, got)
}
})
}
}
func Test_readMemoryLimitFromSpec(t *testing.T) {
type testCase struct {
Name string
Spec *specs.Spec
Want int64
}
testLimit := int64(64)
tests := []testCase{
{Name: "specs.Linux not found", Spec: &specs.Spec{Linux: nil}, Want: int64(0)},
{Name: "specs.LinuxResource not found", Spec: &specs.Spec{Linux: &specs.Linux{Resources: nil}}, Want: int64(0)},
{Name: "specs.LinuxMemory not found", Spec: &specs.Spec{Linux: &specs.Linux{Resources: &specs.LinuxResources{Memory: nil}}}, Want: int64(0)},
{Name: "specs.LinuxMemory.Limit not found", Spec: &specs.Spec{Linux: &specs.Linux{Resources: &specs.LinuxResources{Memory: &specs.LinuxMemory{Limit: nil}}}}, Want: int64(0)},
{Name: "Memory limit set as Want", Spec: &specs.Spec{Linux: &specs.Linux{Resources: &specs.LinuxResources{Memory: &specs.LinuxMemory{Limit: &testLimit}}}}, Want: int64(64)},
}
for _, tc := range tests {
t.Run(tc.Name, func(t *testing.T) {
got := readMemoryLimitFromSpec(tc.Spec)
if got != tc.Want {
t.Fatalf("Want %d, got %d", tc.Want, got)
}
})
}
}

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@ -1,44 +0,0 @@
package handlers
import (
"encoding/json"
"net/http"
"github.com/openfaas/faas-provider/types"
)
const (
// OrchestrationIdentifier identifier string for provider orchestration
OrchestrationIdentifier = "containerd"
// ProviderName name of the provider
ProviderName = "faasd"
)
//MakeInfoHandler creates handler for /system/info endpoint
func MakeInfoHandler(version, sha string) http.HandlerFunc {
return func(w http.ResponseWriter, r *http.Request) {
if r.Body != nil {
defer r.Body.Close()
}
infoResponse := types.ProviderInfo{
Orchestration: OrchestrationIdentifier,
Name: ProviderName,
Version: &types.VersionInfo{
Release: version,
SHA: sha,
},
}
jsonOut, marshalErr := json.Marshal(infoResponse)
if marshalErr != nil {
w.WriteHeader(http.StatusInternalServerError)
return
}
w.Header().Set("Content-Type", "application/json")
w.WriteHeader(http.StatusOK)
w.Write(jsonOut)
}
}

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@ -1,39 +0,0 @@
package handlers
import (
"encoding/json"
"github.com/openfaas/faas-provider/types"
"net/http/httptest"
"testing"
)
func Test_InfoHandler(t *testing.T) {
sha := "4b825dc642cb6eb9a060e54bf8d69288fbee4904"
version := "0.0.1"
handler := MakeInfoHandler(version, sha)
w := httptest.NewRecorder()
r := httptest.NewRequest("GET", "/", nil)
handler(w, r)
resp := types.ProviderInfo{}
err := json.Unmarshal(w.Body.Bytes(), &resp)
if err != nil {
t.Fatalf("unexpected error unmarshalling the response")
}
if resp.Name != ProviderName {
t.Fatalf("expected provider %q, got %q", ProviderName, resp.Name)
}
if resp.Orchestration != OrchestrationIdentifier {
t.Fatalf("expected orchestration %q, got %q", OrchestrationIdentifier, resp.Orchestration)
}
if resp.Version.SHA != sha {
t.Fatalf("expected orchestration %q, got %q", sha, resp.Version.SHA)
}
if resp.Version.Release != version {
t.Fatalf("expected release %q, got %q", version, resp.Version.Release)
}
}

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@ -1,56 +0,0 @@
package handlers
import (
"fmt"
"log"
"net/url"
"strings"
"github.com/containerd/containerd"
faasd "github.com/openfaas/faasd/pkg"
)
const watchdogPort = 8080
type InvokeResolver struct {
client *containerd.Client
}
func NewInvokeResolver(client *containerd.Client) *InvokeResolver {
return &InvokeResolver{client: client}
}
func (i *InvokeResolver) Resolve(functionName string) (url.URL, error) {
actualFunctionName := functionName
log.Printf("Resolve: %q\n", actualFunctionName)
namespace := getNamespaceOrDefault(functionName, faasd.DefaultFunctionNamespace)
if strings.Contains(functionName, ".") {
actualFunctionName = strings.TrimSuffix(functionName, "."+namespace)
}
function, err := GetFunction(i.client, actualFunctionName, namespace)
if err != nil {
return url.URL{}, fmt.Errorf("%s not found", actualFunctionName)
}
serviceIP := function.IP
urlStr := fmt.Sprintf("http://%s:%d", serviceIP, watchdogPort)
urlRes, err := url.Parse(urlStr)
if err != nil {
return url.URL{}, err
}
return *urlRes, nil
}
func getNamespaceOrDefault(name, defaultNamespace string) string {
namespace := defaultNamespace
if strings.Contains(name, ".") {
namespace = name[strings.LastIndexAny(name, ".")+1:]
}
return namespace
}

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@ -1,285 +0,0 @@
package handlers
import (
"context"
"encoding/json"
"fmt"
"io"
"log"
"net/http"
"strings"
"github.com/containerd/containerd"
"github.com/gorilla/mux"
"github.com/openfaas/faas-provider/types"
)
func MakeMutateNamespace(client *containerd.Client) func(w http.ResponseWriter, r *http.Request) {
return func(w http.ResponseWriter, r *http.Request) {
if r.Body != nil {
defer r.Body.Close()
}
switch r.Method {
case http.MethodPost:
createNamespace(client, w, r)
case http.MethodGet:
getNamespace(client, w, r)
case http.MethodDelete:
deleteNamespace(client, w, r)
case http.MethodPut:
updateNamespace(client, w, r)
default:
w.WriteHeader(http.StatusMethodNotAllowed)
}
}
}
func updateNamespace(client *containerd.Client, w http.ResponseWriter, r *http.Request) {
req, err := parseNamespaceRequest(r)
if err != nil {
http.Error(w, err.Error(), err.(*HttpError).Status)
return
}
namespaceExists, err := namespaceExists(r.Context(), client, req.Name)
if err != nil {
http.Error(w, err.Error(), http.StatusBadRequest)
return
}
if !namespaceExists {
http.Error(w, fmt.Sprintf("namespace %s not found", req.Name), http.StatusNotFound)
return
}
originalLabels, err := client.NamespaceService().Labels(r.Context(), req.Name)
if err != nil {
http.Error(w, err.Error(), http.StatusBadRequest)
return
}
if !hasOpenFaaSLabel(originalLabels) {
http.Error(w, fmt.Sprintf("namespace %s is not an openfaas namespace", req.Name), http.StatusBadRequest)
return
}
var exclusions []string
// build exclusions
for key, _ := range originalLabels {
if _, ok := req.Labels[key]; !ok {
exclusions = append(exclusions, key)
}
}
// Call SetLabel with empty string if label is to be removed
for _, key := range exclusions {
if err := client.NamespaceService().SetLabel(r.Context(), req.Name, key, ""); err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
}
// Now add the new labels
for key, value := range req.Labels {
if err := client.NamespaceService().SetLabel(r.Context(), req.Name, key, value); err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
}
w.WriteHeader(http.StatusAccepted)
}
func deleteNamespace(client *containerd.Client, w http.ResponseWriter, r *http.Request) {
req, err := parseNamespaceRequest(r)
if err != nil {
http.Error(w, err.Error(), err.(*HttpError).Status)
return
}
if err := client.NamespaceService().Delete(r.Context(), req.Name); err != nil {
if strings.Contains(err.Error(), "not found") {
http.Error(w, fmt.Sprintf("namespace %s not found", req.Name), http.StatusNotFound)
return
}
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
w.WriteHeader(http.StatusAccepted)
}
func namespaceExists(ctx context.Context, client *containerd.Client, name string) (bool, error) {
ns, err := client.NamespaceService().List(ctx)
if err != nil {
return false, err
}
found := false
for _, namespace := range ns {
if namespace == name {
found = true
break
}
}
return found, nil
}
func getNamespace(client *containerd.Client, w http.ResponseWriter, r *http.Request) {
req, err := parseNamespaceRequest(r)
if err != nil {
http.Error(w, err.Error(), err.(*HttpError).Status)
return
}
namespaceExists, err := namespaceExists(r.Context(), client, req.Name)
if err != nil {
http.Error(w, err.Error(), http.StatusBadRequest)
return
}
if !namespaceExists {
http.Error(w, fmt.Sprintf("namespace %s not found", req.Name), http.StatusNotFound)
return
}
labels, err := client.NamespaceService().Labels(r.Context(), req.Name)
if err != nil {
http.Error(w, err.Error(), http.StatusBadRequest)
return
}
if !hasOpenFaaSLabel(labels) {
http.Error(w, fmt.Sprintf("namespace %s not found", req.Name), http.StatusNotFound)
return
}
res := types.FunctionNamespace{
Name: req.Name,
Labels: labels,
}
w.Header().Set("Content-Type", "application/json")
w.WriteHeader(http.StatusOK)
if err := json.NewEncoder(w).Encode(res); err != nil {
log.Printf("Get Namespace error: %s", err)
}
}
func createNamespace(client *containerd.Client, w http.ResponseWriter, r *http.Request) {
req, err := parseNamespaceRequest(r)
if err != nil {
http.Error(w, err.Error(), err.(*HttpError).Status)
return
}
// Check if namespace exists, and it has the openfaas label
namespaces, err := client.NamespaceService().List(r.Context())
if err != nil {
http.Error(w, err.Error(), http.StatusBadRequest)
return
}
found := false
for _, namespace := range namespaces {
if namespace == req.Name {
found = true
break
}
}
if found {
http.Error(w, fmt.Sprintf("namespace %s already exists", req.Name), http.StatusConflict)
return
}
if err := client.NamespaceService().Create(r.Context(), req.Name, req.Labels); err != nil {
http.Error(w, err.Error(), http.StatusBadRequest)
return
}
w.WriteHeader(http.StatusCreated)
}
// getNamespace returns a namespace object or an error
func parseNamespaceRequest(r *http.Request) (types.FunctionNamespace, error) {
var req types.FunctionNamespace
vars := mux.Vars(r)
namespaceInPath := vars["name"]
if r.Method == http.MethodGet {
if namespaceInPath == "" {
return req, &HttpError{
Err: fmt.Errorf("namespace not specified in URL"),
Status: http.StatusBadRequest,
}
}
return types.FunctionNamespace{
Name: namespaceInPath,
}, nil
}
body, _ := io.ReadAll(r.Body)
if err := json.Unmarshal(body, &req); err != nil {
return req, &HttpError{
Err: fmt.Errorf("error parsing request body: %s", err.Error()),
Status: http.StatusBadRequest,
}
}
if r.Method != http.MethodPost {
if namespaceInPath == "" {
return req, &HttpError{
Err: fmt.Errorf("namespace not specified in URL"),
Status: http.StatusBadRequest,
}
}
if req.Name != namespaceInPath {
return req, &HttpError{
Err: fmt.Errorf("namespace in request body does not match namespace in URL"),
Status: http.StatusBadRequest,
}
}
}
if req.Name == "" {
return req, &HttpError{
Err: fmt.Errorf("namespace not specified in request body"),
Status: http.StatusBadRequest,
}
}
if ok := hasOpenFaaSLabel(req.Labels); !ok {
return req, &HttpError{
Err: fmt.Errorf("request does not have openfaas=1 label"),
Status: http.StatusBadRequest,
}
}
return req, nil
}
func hasOpenFaaSLabel(labels map[string]string) bool {
if v, ok := labels["openfaas"]; ok && v == "1" {
return true
}
return false
}
type HttpError struct {
Err error
Status int
}
func (e *HttpError) Error() string {
return e.Err.Error()
}

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@ -1,18 +0,0 @@
package handlers
import (
"encoding/json"
"net/http"
"github.com/containerd/containerd"
)
func MakeNamespacesLister(client *containerd.Client) func(w http.ResponseWriter, r *http.Request) {
return func(w http.ResponseWriter, r *http.Request) {
list := ListNamespaces(client)
body, _ := json.Marshal(list)
w.Header().Set("Content-Type", "application/json")
w.WriteHeader(http.StatusOK)
w.Write(body)
}
}

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@ -1,71 +0,0 @@
package handlers
import (
"encoding/json"
"log"
"net/http"
"k8s.io/apimachinery/pkg/api/resource"
"github.com/containerd/containerd"
"github.com/openfaas/faas-provider/types"
)
func MakeReadHandler(client *containerd.Client) func(w http.ResponseWriter, r *http.Request) {
return func(w http.ResponseWriter, r *http.Request) {
lookupNamespace := getRequestNamespace(readNamespaceFromQuery(r))
// Check if namespace exists, and it has the openfaas label
valid, err := validNamespace(client.NamespaceService(), lookupNamespace)
if err != nil {
http.Error(w, err.Error(), http.StatusBadRequest)
return
}
if !valid {
http.Error(w, "namespace not valid", http.StatusBadRequest)
return
}
res := []types.FunctionStatus{}
fns, err := ListFunctions(client, lookupNamespace)
if err != nil {
log.Printf("[Read] error listing functions. Error: %s\n", err)
http.Error(w, err.Error(), http.StatusBadRequest)
return
}
for _, fn := range fns {
annotations := &fn.annotations
labels := &fn.labels
memory := resource.NewQuantity(fn.memoryLimit, resource.BinarySI)
status := types.FunctionStatus{
Name: fn.name,
Image: fn.image,
Replicas: uint64(fn.replicas),
Namespace: fn.namespace,
Labels: labels,
Annotations: annotations,
Secrets: fn.secrets,
EnvVars: fn.envVars,
EnvProcess: fn.envProcess,
CreatedAt: fn.createdAt,
}
// Do not remove below memory check for 0
// Memory limit should not be included in status until set explicitly
limit := &types.FunctionResources{Memory: memory.String()}
if limit.Memory != "0" {
status.Limits = limit
}
res = append(res, status)
}
body, _ := json.Marshal(res)
w.Header().Set("Content-Type", "application/json")
w.WriteHeader(http.StatusOK)
w.Write(body)
}
}

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@ -1,54 +0,0 @@
package handlers
import (
"encoding/json"
"net/http"
"github.com/containerd/containerd"
"github.com/gorilla/mux"
"github.com/openfaas/faas-provider/types"
)
func MakeReplicaReaderHandler(client *containerd.Client) func(w http.ResponseWriter, r *http.Request) {
return func(w http.ResponseWriter, r *http.Request) {
vars := mux.Vars(r)
functionName := vars["name"]
lookupNamespace := getRequestNamespace(readNamespaceFromQuery(r))
// Check if namespace exists, and it has the openfaas label
valid, err := validNamespace(client.NamespaceService(), lookupNamespace)
if err != nil {
http.Error(w, err.Error(), http.StatusBadRequest)
return
}
if !valid {
http.Error(w, "namespace not valid", http.StatusBadRequest)
return
}
if f, err := GetFunction(client, functionName, lookupNamespace); err == nil {
found := types.FunctionStatus{
Name: functionName,
Image: f.image,
AvailableReplicas: uint64(f.replicas),
Replicas: uint64(f.replicas),
Namespace: f.namespace,
Labels: &f.labels,
Annotations: &f.annotations,
Secrets: f.secrets,
EnvVars: f.envVars,
EnvProcess: f.envProcess,
CreatedAt: f.createdAt,
}
functionBytes, _ := json.Marshal(found)
w.Header().Set("Content-Type", "application/json")
w.WriteHeader(http.StatusOK)
w.Write(functionBytes)
} else {
w.WriteHeader(http.StatusNotFound)
}
}
}

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@ -1,144 +0,0 @@
package handlers
import (
"context"
"encoding/json"
"fmt"
"io/ioutil"
"log"
"net/http"
"github.com/containerd/containerd"
"github.com/containerd/containerd/namespaces"
gocni "github.com/containerd/go-cni"
"github.com/openfaas/faas-provider/types"
"github.com/openfaas/faasd/pkg"
)
func MakeReplicaUpdateHandler(client *containerd.Client, cni gocni.CNI) func(w http.ResponseWriter, r *http.Request) {
return func(w http.ResponseWriter, r *http.Request) {
if r.Body == nil {
http.Error(w, "expected a body", http.StatusBadRequest)
return
}
defer r.Body.Close()
body, _ := ioutil.ReadAll(r.Body)
log.Printf("[Scale] request: %s\n", string(body))
req := types.ScaleServiceRequest{}
if err := json.Unmarshal(body, &req); err != nil {
log.Printf("[Scale] error parsing input: %s\n", err)
http.Error(w, err.Error(), http.StatusBadRequest)
return
}
namespace := req.Namespace
if namespace == "" {
namespace = pkg.DefaultFunctionNamespace
}
// Check if namespace exists, and it has the openfaas label
valid, err := validNamespace(client.NamespaceService(), namespace)
if err != nil {
http.Error(w, err.Error(), http.StatusBadRequest)
return
}
if !valid {
http.Error(w, "namespace not valid", http.StatusBadRequest)
return
}
name := req.ServiceName
if _, err := GetFunction(client, name, namespace); err != nil {
msg := fmt.Sprintf("service %s not found", name)
log.Printf("[Scale] %s\n", msg)
http.Error(w, msg, http.StatusNotFound)
return
}
ctx := namespaces.WithNamespace(context.Background(), namespace)
ctr, ctrErr := client.LoadContainer(ctx, name)
if ctrErr != nil {
msg := fmt.Sprintf("cannot load service %s, error: %s", name, ctrErr)
log.Printf("[Scale] %s\n", msg)
http.Error(w, msg, http.StatusNotFound)
return
}
var taskExists bool
var taskStatus *containerd.Status
task, taskErr := ctr.Task(ctx, nil)
if taskErr != nil {
msg := fmt.Sprintf("cannot load task for service %s, error: %s", name, taskErr)
log.Printf("[Scale] %s\n", msg)
taskExists = false
} else {
taskExists = true
status, statusErr := task.Status(ctx)
if statusErr != nil {
msg := fmt.Sprintf("cannot load task status for %s, error: %s", name, statusErr)
log.Printf("[Scale] %s\n", msg)
http.Error(w, msg, http.StatusInternalServerError)
return
} else {
taskStatus = &status
}
}
createNewTask := false
// Scale to zero
if req.Replicas == 0 {
// If a task is running, pause it
if taskExists && taskStatus.Status == containerd.Running {
if pauseErr := task.Pause(ctx); pauseErr != nil {
wrappedPauseErr := fmt.Errorf("error pausing task %s, error: %s", name, pauseErr)
log.Printf("[Scale] %s\n", wrappedPauseErr.Error())
http.Error(w, wrappedPauseErr.Error(), http.StatusNotFound)
return
}
}
}
if taskExists {
if taskStatus != nil {
if taskStatus.Status == containerd.Paused {
if resumeErr := task.Resume(ctx); resumeErr != nil {
log.Printf("[Scale] error resuming task %s, error: %s\n", name, resumeErr)
http.Error(w, resumeErr.Error(), http.StatusBadRequest)
return
}
} else if taskStatus.Status == containerd.Stopped {
// Stopped tasks cannot be restarted, must be removed, and created again
if _, delErr := task.Delete(ctx); delErr != nil {
log.Printf("[Scale] error deleting stopped task %s, error: %s\n", name, delErr)
http.Error(w, delErr.Error(), http.StatusBadRequest)
return
}
createNewTask = true
}
}
} else {
createNewTask = true
}
if createNewTask {
deployErr := createTask(ctx, ctr, cni)
if deployErr != nil {
log.Printf("[Scale] error deploying %s, error: %s\n", name, deployErr)
http.Error(w, deployErr.Error(), http.StatusBadRequest)
return
}
}
}
}

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@ -1,178 +0,0 @@
package handlers
import (
"encoding/json"
"fmt"
"io/ioutil"
"log"
"net/http"
"os"
"path"
"strings"
"github.com/openfaas/faas-provider/types"
provider "github.com/openfaas/faasd/pkg/provider"
)
const secretFilePermission = 0644
const secretDirPermission = 0755
func MakeSecretHandler(store provider.Labeller, mountPath string) func(w http.ResponseWriter, r *http.Request) {
err := os.MkdirAll(mountPath, secretFilePermission)
if err != nil {
log.Printf("Creating path: %s, error: %s\n", mountPath, err)
}
return func(w http.ResponseWriter, r *http.Request) {
if r.Body != nil {
defer r.Body.Close()
}
switch r.Method {
case http.MethodGet:
listSecrets(store, w, r, mountPath)
case http.MethodPost:
createSecret(w, r, mountPath)
case http.MethodPut:
createSecret(w, r, mountPath)
case http.MethodDelete:
deleteSecret(w, r, mountPath)
default:
w.WriteHeader(http.StatusBadRequest)
return
}
}
}
func listSecrets(store provider.Labeller, w http.ResponseWriter, r *http.Request, mountPath string) {
lookupNamespace := getRequestNamespace(readNamespaceFromQuery(r))
// Check if namespace exists, and it has the openfaas label
valid, err := validNamespace(store, lookupNamespace)
if err != nil {
http.Error(w, err.Error(), http.StatusBadRequest)
return
}
if !valid {
http.Error(w, "namespace not valid", http.StatusBadRequest)
return
}
mountPath = getNamespaceSecretMountPath(mountPath, lookupNamespace)
files, err := os.ReadDir(mountPath)
if os.IsNotExist(err) {
bytesOut, _ := json.Marshal([]types.Secret{})
w.Write(bytesOut)
return
}
if err != nil {
fmt.Printf("Error Occured: %s \n", err)
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
secrets := []types.Secret{}
for _, f := range files {
secrets = append(secrets, types.Secret{Name: f.Name(), Namespace: lookupNamespace})
}
bytesOut, _ := json.Marshal(secrets)
w.Write(bytesOut)
}
func createSecret(w http.ResponseWriter, r *http.Request, mountPath string) {
secret, err := parseSecret(r)
if err != nil {
log.Printf("[secret] error %s", err.Error())
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
err = validateSecret(secret)
if err != nil {
log.Printf("[secret] error %s", err.Error())
http.Error(w, err.Error(), http.StatusBadRequest)
return
}
log.Printf("[secret] is valid: %q", secret.Name)
namespace := getRequestNamespace(secret.Namespace)
mountPath = getNamespaceSecretMountPath(mountPath, namespace)
err = os.MkdirAll(mountPath, secretDirPermission)
if err != nil {
log.Printf("[secret] error %s", err.Error())
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
data := secret.RawValue
if len(data) == 0 {
data = []byte(secret.Value)
}
err = ioutil.WriteFile(path.Join(mountPath, secret.Name), data, secretFilePermission)
if err != nil {
log.Printf("[secret] error %s", err.Error())
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
}
func deleteSecret(w http.ResponseWriter, r *http.Request, mountPath string) {
secret, err := parseSecret(r)
if err != nil {
log.Printf("[secret] error %s", err.Error())
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
namespace := getRequestNamespace(readNamespaceFromQuery(r))
mountPath = getNamespaceSecretMountPath(mountPath, namespace)
err = os.Remove(path.Join(mountPath, secret.Name))
if err != nil {
log.Printf("[secret] error %s", err.Error())
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
}
func parseSecret(r *http.Request) (types.Secret, error) {
secret := types.Secret{}
bytesOut, err := ioutil.ReadAll(r.Body)
if err != nil {
return secret, err
}
err = json.Unmarshal(bytesOut, &secret)
if err != nil {
return secret, err
}
return secret, err
}
const traverseErrorSt = "directory traversal found in name"
func isTraversal(name string) bool {
return strings.Contains(name, fmt.Sprintf("%s", string(os.PathSeparator))) ||
strings.Contains(name, "..")
}
func validateSecret(secret types.Secret) error {
if strings.TrimSpace(secret.Name) == "" {
return fmt.Errorf("non-empty name is required")
}
if isTraversal(secret.Name) {
return fmt.Errorf(traverseErrorSt)
}
return nil
}

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@ -1,252 +0,0 @@
package handlers
import (
"encoding/json"
"fmt"
"io/ioutil"
"net/http"
"net/http/httptest"
"os"
"path/filepath"
"reflect"
"strings"
"testing"
"github.com/openfaas/faas-provider/types"
"github.com/openfaas/faasd/pkg"
provider "github.com/openfaas/faasd/pkg/provider"
)
func Test_parseSecret(t *testing.T) {
cases := []struct {
name string
payload string
expError string
expSecret types.Secret
}{
{
name: "no error when name is valid without extention and with no traversal",
payload: `{"name": "authorized_keys", "value": "foo"}`,
expSecret: types.Secret{Name: "authorized_keys", Value: "foo"},
},
{
name: "no error when name is valid and parses RawValue correctly",
payload: `{"name": "authorized_keys", "rawValue": "YmFy"}`,
expSecret: types.Secret{Name: "authorized_keys", RawValue: []byte("bar")},
},
{
name: "no error when name is valid with dot and with no traversal",
payload: `{"name": "authorized.keys", "value": "foo"}`,
expSecret: types.Secret{Name: "authorized.keys", Value: "foo"},
},
}
for _, tc := range cases {
t.Run(tc.name, func(t *testing.T) {
reader := strings.NewReader(tc.payload)
r := httptest.NewRequest(http.MethodPost, "/", reader)
secret, err := parseSecret(r)
if err != nil && tc.expError == "" {
t.Fatalf("unexpected error: %s", err)
return
}
if tc.expError != "" {
if err == nil {
t.Fatalf("expected error: %s, got nil", tc.expError)
}
if err.Error() != tc.expError {
t.Fatalf("expected error: %s, got: %s", tc.expError, err)
}
return
}
if !reflect.DeepEqual(secret, tc.expSecret) {
t.Fatalf("expected secret: %+v, got: %+v", tc.expSecret, secret)
}
})
}
}
func TestSecretCreation(t *testing.T) {
mountPath, err := os.MkdirTemp("", "test_secret_creation")
if err != nil {
t.Fatalf("unexpected error while creating temp directory: %s", err)
}
defer os.RemoveAll(mountPath)
handler := MakeSecretHandler(nil, mountPath)
cases := []struct {
name string
verb string
payload string
status int
secretPath string
secret string
err string
}{
{
name: "returns error when the name contains a traversal",
verb: http.MethodPost,
payload: `{"name": "/root/.ssh/authorized_keys", "value": "foo"}`,
status: http.StatusBadRequest,
err: "directory traversal found in name\n",
},
{
name: "returns error when the name contains a traversal",
verb: http.MethodPost,
payload: `{"name": "..", "value": "foo"}`,
status: http.StatusBadRequest,
err: "directory traversal found in name\n",
},
{
name: "empty request returns a validation error",
verb: http.MethodPost,
payload: `{}`,
status: http.StatusBadRequest,
err: "non-empty name is required\n",
},
{
name: "can create secret from string",
verb: http.MethodPost,
payload: `{"name": "foo", "value": "bar"}`,
status: http.StatusOK,
secretPath: "/openfaas-fn/foo",
secret: "bar",
},
{
name: "can create secret from raw value",
verb: http.MethodPost,
payload: `{"name": "foo", "rawValue": "YmFy"}`,
status: http.StatusOK,
secretPath: "/openfaas-fn/foo",
secret: "bar",
},
{
name: "can create secret in non-default namespace from raw value",
verb: http.MethodPost,
payload: `{"name": "pity", "rawValue": "dGhlIGZvbw==", "namespace": "a-team"}`,
status: http.StatusOK,
secretPath: "/a-team/pity",
secret: "the foo",
},
}
for _, tc := range cases {
t.Run(tc.name, func(t *testing.T) {
req := httptest.NewRequest(tc.verb, "http://example.com/foo", strings.NewReader(tc.payload))
w := httptest.NewRecorder()
handler(w, req)
resp := w.Result()
if resp.StatusCode != tc.status {
t.Logf("response body: %s", w.Body.String())
t.Fatalf("expected status: %d, got: %d", tc.status, resp.StatusCode)
}
if resp.StatusCode != http.StatusOK && w.Body.String() != tc.err {
t.Fatalf("expected error message: %q, got %q", tc.err, w.Body.String())
}
if tc.secretPath != "" {
data, err := os.ReadFile(filepath.Join(mountPath, tc.secretPath))
if err != nil {
t.Fatalf("can not read the secret from disk: %s", err)
}
if string(data) != tc.secret {
t.Fatalf("expected secret value: %s, got %s", tc.secret, string(data))
}
}
})
}
}
func TestListSecrets(t *testing.T) {
mountPath, err := os.MkdirTemp("", "test_secret_creation")
if err != nil {
t.Fatalf("unexpected error while creating temp directory: %s", err)
}
defer os.RemoveAll(mountPath)
cases := []struct {
name string
verb string
namespace string
labels map[string]string
status int
secretPath string
secret string
err string
expected []types.Secret
}{
{
name: "Get empty secret list for default namespace having no secret",
verb: http.MethodGet,
status: http.StatusOK,
secretPath: "/test-fn/foo",
secret: "bar",
expected: make([]types.Secret, 0),
},
{
name: "Get empty secret list for non-default namespace having no secret",
verb: http.MethodGet,
status: http.StatusOK,
secretPath: "/test-fn/foo",
secret: "bar",
expected: make([]types.Secret, 0),
namespace: "other-ns",
labels: map[string]string{
pkg.NamespaceLabel: "true",
},
},
}
for _, tc := range cases {
t.Run(tc.name, func(t *testing.T) {
labelStore := provider.NewFakeLabeller(tc.labels)
handler := MakeSecretHandler(labelStore, mountPath)
path := "http://example.com/foo"
if len(tc.namespace) > 0 {
path = path + fmt.Sprintf("?namespace=%s", tc.namespace)
}
req := httptest.NewRequest(tc.verb, path, nil)
w := httptest.NewRecorder()
handler(w, req)
resp := w.Result()
if resp.StatusCode != tc.status {
t.Fatalf("want status: %d, but got: %d", tc.status, resp.StatusCode)
}
if resp.StatusCode != http.StatusOK && w.Body.String() != tc.err {
t.Fatalf("want error message: %q, but got %q", tc.err, w.Body.String())
}
body, err := ioutil.ReadAll(resp.Body)
if err != nil {
t.Fatalf("can't read response of list %v", err)
}
var res []types.Secret
err = json.Unmarshal(body, &res)
if err != nil {
t.Fatalf("unable to unmarshal %q, error: %v", string(body), err)
}
if !reflect.DeepEqual(res, tc.expected) {
t.Fatalf("want response: %v, but got: %v", tc.expected, res)
}
})
}
}

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@ -1,101 +0,0 @@
package handlers
import (
"context"
"encoding/json"
"fmt"
"io/ioutil"
"log"
"net/http"
"github.com/containerd/containerd"
"github.com/containerd/containerd/namespaces"
gocni "github.com/containerd/go-cni"
"github.com/openfaas/faas-provider/types"
"github.com/openfaas/faasd/pkg/cninetwork"
"github.com/openfaas/faasd/pkg/service"
)
func MakeUpdateHandler(client *containerd.Client, cni gocni.CNI, secretMountPath string, alwaysPull bool) func(w http.ResponseWriter, r *http.Request) {
return func(w http.ResponseWriter, r *http.Request) {
if r.Body == nil {
http.Error(w, "expected a body", http.StatusBadRequest)
return
}
defer r.Body.Close()
body, _ := ioutil.ReadAll(r.Body)
log.Printf("[Update] request: %s\n", string(body))
req := types.FunctionDeployment{}
err := json.Unmarshal(body, &req)
if err != nil {
log.Printf("[Update] error parsing input: %s\n", err)
http.Error(w, err.Error(), http.StatusBadRequest)
return
}
name := req.Service
namespace := getRequestNamespace(req.Namespace)
// Check if namespace exists, and it has the openfaas label
valid, err := validNamespace(client.NamespaceService(), namespace)
if err != nil {
http.Error(w, err.Error(), http.StatusBadRequest)
return
}
if !valid {
http.Error(w, "namespace not valid", http.StatusBadRequest)
return
}
namespaceSecretMountPath := getNamespaceSecretMountPath(secretMountPath, namespace)
function, err := GetFunction(client, name, namespace)
if err != nil {
msg := fmt.Sprintf("service %s not found", name)
log.Printf("[Update] %s\n", msg)
http.Error(w, msg, http.StatusNotFound)
return
}
err = validateSecrets(namespaceSecretMountPath, req.Secrets)
if err != nil {
http.Error(w, err.Error(), http.StatusBadRequest)
}
ctx := namespaces.WithNamespace(context.Background(), namespace)
if _, err := prepull(ctx, req, client, alwaysPull); err != nil {
log.Printf("[Update] error with pre-pull: %s, %s\n", name, err)
http.Error(w, err.Error(), http.StatusInternalServerError)
}
if function.replicas != 0 {
err = cninetwork.DeleteCNINetwork(ctx, cni, client, name)
if err != nil {
log.Printf("[Update] error removing CNI network for %s, %s\n", name, err)
}
}
if err := service.Remove(ctx, client, name); err != nil {
log.Printf("[Update] error removing %s, %s\n", name, err)
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
// The pull has already been done in prepull, so we can force this pull to "false"
pull := false
if err := deploy(ctx, req, client, cni, namespaceSecretMountPath, pull); err != nil {
log.Printf("[Update] error deploying %s, error: %s\n", name, err)
http.Error(w, err.Error(), http.StatusBadRequest)
return
}
}
}

View File

@ -1,47 +0,0 @@
package handlers
import (
"context"
"net/http"
"path"
"github.com/openfaas/faasd/pkg"
faasd "github.com/openfaas/faasd/pkg"
provider "github.com/openfaas/faasd/pkg/provider"
)
func getRequestNamespace(namespace string) string {
if len(namespace) > 0 {
return namespace
}
return faasd.DefaultFunctionNamespace
}
func readNamespaceFromQuery(r *http.Request) string {
q := r.URL.Query()
return q.Get("namespace")
}
func getNamespaceSecretMountPath(userSecretPath string, namespace string) string {
return path.Join(userSecretPath, namespace)
}
// validNamespace indicates whether the namespace is eligable to be
// used for OpenFaaS functions.
func validNamespace(store provider.Labeller, namespace string) (bool, error) {
if namespace == faasd.DefaultFunctionNamespace {
return true, nil
}
labels, err := store.Labels(context.Background(), namespace)
if err != nil {
return false, err
}
if value, found := labels[pkg.NamespaceLabel]; found && value == "true" {
return true, nil
}
return false, nil
}

View File

@ -1,75 +0,0 @@
package handlers
import (
"fmt"
"net/http"
"net/http/httptest"
"testing"
faasd "github.com/openfaas/faasd/pkg"
)
func Test_getRequestNamespace(t *testing.T) {
tables := []struct {
name string
requestNamespace string
expectedNamespace string
}{
{name: "RequestNamespace is not provided", requestNamespace: "", expectedNamespace: faasd.DefaultFunctionNamespace},
{name: "RequestNamespace is provided", requestNamespace: "user-namespace", expectedNamespace: "user-namespace"},
}
for _, tc := range tables {
t.Run(tc.name, func(t *testing.T) {
actualNamespace := getRequestNamespace(tc.requestNamespace)
if actualNamespace != tc.expectedNamespace {
t.Errorf("Want: %s, got: %s", actualNamespace, tc.expectedNamespace)
}
})
}
}
func Test_getNamespaceSecretMountPath(t *testing.T) {
userSecretPath := "/var/openfaas/secrets"
tables := []struct {
name string
requestNamespace string
expectedSecretPath string
}{
{name: "Default Namespace is provided", requestNamespace: faasd.DefaultFunctionNamespace, expectedSecretPath: "/var/openfaas/secrets/" + faasd.DefaultFunctionNamespace},
{name: "User Namespace is provided", requestNamespace: "user-namespace", expectedSecretPath: "/var/openfaas/secrets/user-namespace"},
}
for _, tc := range tables {
t.Run(tc.name, func(t *testing.T) {
actualNamespace := getNamespaceSecretMountPath(userSecretPath, tc.requestNamespace)
if actualNamespace != tc.expectedSecretPath {
t.Errorf("Want: %s, got: %s", actualNamespace, tc.expectedSecretPath)
}
})
}
}
func Test_readNamespaceFromQuery(t *testing.T) {
tables := []struct {
name string
queryNamespace string
expectedNamespace string
}{
{name: "No Namespace is provided", queryNamespace: "", expectedNamespace: ""},
{name: "User Namespace is provided", queryNamespace: "user-namespace", expectedNamespace: "user-namespace"},
}
for _, tc := range tables {
t.Run(tc.name, func(t *testing.T) {
url := fmt.Sprintf("/test?namespace=%s", tc.queryNamespace)
r := httptest.NewRequest(http.MethodGet, url, nil)
actualNamespace := readNamespaceFromQuery(r)
if actualNamespace != tc.expectedNamespace {
t.Errorf("Want: %s, got: %s", actualNamespace, tc.expectedNamespace)
}
})
}
}

View File

@ -1,25 +0,0 @@
package provider
import "context"
// Labeller can return labels for a namespace from containerd.
type Labeller interface {
Labels(ctx context.Context, namespace string) (map[string]string, error)
}
//
// FakeLabeller can be used to fake labels applied on namespace to mark
// them valid/invalid for openfaas functions
type FakeLabeller struct {
labels map[string]string
}
func NewFakeLabeller(labels map[string]string) Labeller {
return &FakeLabeller{
labels: labels,
}
}
func (s *FakeLabeller) Labels(ctx context.Context, namespace string) (map[string]string, error) {
return s.labels, nil
}

View File

@ -3,114 +3,100 @@ package pkg
import (
"fmt"
"io"
"io/ioutil"
"log"
"net"
"net/http"
"strconv"
"strings"
"time"
)
// NewProxy creates a HTTP proxy to expose a host
func NewProxy(upstream string, listenPort uint32, hostIP string, timeout time.Duration, resolver Resolver) *Proxy {
func NewProxy(hosts string, timeout time.Duration) *Proxy {
return &Proxy{
Upstream: upstream,
Port: listenPort,
HostIP: hostIP,
Timeout: timeout,
Resolver: resolver,
Hosts: hosts,
Timeout: timeout,
}
}
// Proxy for exposing a private container
type Proxy struct {
Hosts string
Timeout time.Duration
// Port on which to listen to traffic
Port uint32
// Upstream is where to send traffic when received
Upstream string
// The IP to use to bind locally
HostIP string
Resolver Resolver
}
// Start listening and forwarding HTTP to the host
func (p *Proxy) Start() error {
tcp := 8080
http.DefaultClient.CheckRedirect = func(req *http.Request, via []*http.Request) error {
return http.ErrUseLastResponse
}
upstreamHost, upstreamPort, err := getUpstream(p.Upstream, p.Port)
if err != nil {
return err
time.Sleep(3 * time.Second)
log.Printf("Starting faasd proxy on %d\n", tcp)
data := struct{ host string }{
host: "",
}
log.Printf("Looking up IP for: %q", upstreamHost)
got := make(chan string, 1)
go p.Resolver.Get(upstreamHost, got, time.Second*5)
ipAddress := <-got
close(got)
upstreamAddr := fmt.Sprintf("%s:%d", ipAddress, upstreamPort)
localBind := fmt.Sprintf("%s:%d", p.HostIP, p.Port)
log.Printf("Proxy from: %s, to: %s (%s)\n", localBind, p.Upstream, ipAddress)
l, err := net.Listen("tcp", localBind)
if err != nil {
log.Printf("Error: %s", err.Error())
return err
fileData, fileErr := ioutil.ReadFile(p.Hosts)
if fileErr != nil {
return fileErr
}
defer l.Close()
for {
// Wait for a connection.
conn, err := l.Accept()
if err != nil {
acceptErr := fmt.Errorf("Unable to accept on %d, error: %s",
p.Port,
err.Error())
log.Printf("%s", acceptErr.Error())
return acceptErr
lines := strings.Split(string(fileData), "\n")
for _, line := range lines {
if strings.Index(line, "gateway") > -1 {
data.host = line[:strings.Index(line, "\t")]
}
upstream, err := net.Dial("tcp", upstreamAddr)
if err != nil {
log.Printf("unable to dial to %s, error: %s", upstreamAddr, err.Error())
return err
}
go pipe(conn, upstream)
go pipe(upstream, conn)
}
}
fmt.Printf("Gateway: %s\n", data.host)
func pipe(from net.Conn, to net.Conn) {
defer from.Close()
io.Copy(from, to)
}
s := &http.Server{
Addr: fmt.Sprintf(":%d", tcp),
ReadTimeout: p.Timeout,
WriteTimeout: p.Timeout,
MaxHeaderBytes: 1 << 20, // Max header of 1MB
Handler: http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
func getUpstream(val string, defaultPort uint32) (string, uint32, error) {
upstreamHostname := val
upstreamPort := defaultPort
query := ""
if len(r.URL.RawQuery) > 0 {
query = "?" + r.URL.RawQuery
}
if in := strings.Index(val, ":"); in > -1 {
upstreamHostname = val[:in]
port, err := strconv.ParseInt(val[in+1:], 10, 32)
if err != nil {
return "", defaultPort, err
}
upstreamPort = uint32(port)
upstream := fmt.Sprintf("http://%s:8080%s%s", data.host, r.URL.Path, query)
fmt.Printf("[faasd] proxy: %s\n", upstream)
if r.Body != nil {
defer r.Body.Close()
}
wrapper := ioutil.NopCloser(r.Body)
upReq, upErr := http.NewRequest(r.Method, upstream, wrapper)
if upErr != nil {
log.Println(upErr)
http.Error(w, upErr.Error(), http.StatusInternalServerError)
return
}
upRes, upResErr := http.DefaultClient.Do(upReq)
if upResErr != nil {
log.Println(upResErr)
http.Error(w, upResErr.Error(), http.StatusInternalServerError)
return
}
for k, v := range upRes.Header {
w.Header().Set(k, v[0])
}
w.WriteHeader(upRes.StatusCode)
io.Copy(w, upRes.Body)
}),
}
return upstreamHostname, upstreamPort, nil
return s.ListenAndServe()
}

View File

@ -1,86 +0,0 @@
package pkg
import (
"fmt"
"io/ioutil"
"log"
"net/http"
"net/http/httptest"
"net/url"
"sync"
"testing"
"time"
)
func Test_Proxy_ToPrivateServer(t *testing.T) {
wantBodyText := "OK"
wantBody := []byte(wantBodyText)
upstreamSvr := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
if r.Body != nil {
defer r.Body.Close()
}
w.WriteHeader(http.StatusOK)
w.Write(wantBody)
}))
defer upstreamSvr.Close()
port := 8080
u, _ := url.Parse(upstreamSvr.URL)
log.Println("Host", u.Host)
upstreamAddr := u.Host
proxy := NewProxy(upstreamAddr, 8080, "127.0.0.1", time.Second*1, &mockResolver{})
gwChan := make(chan string, 1)
doneCh := make(chan bool)
go proxy.Start()
wg := sync.WaitGroup{}
wg.Add(1)
go func() {
gwChan <- u.Host
wg.Done()
}()
wg.Wait()
req, err := http.NewRequest(http.MethodGet, fmt.Sprintf("http://127.0.0.1:%d", port), nil)
if err != nil {
t.Fatal(err)
}
for i := 1; i < 11; i++ {
res, err := http.DefaultClient.Do(req)
if err != nil {
t.Logf("Try %d, gave error: %s", i, err)
time.Sleep(time.Millisecond * 100)
} else {
resBody, _ := ioutil.ReadAll(res.Body)
if string(resBody) != string(wantBody) {
t.Errorf("want %s, but got %s in body", string(wantBody), string(resBody))
}
break
}
}
go func() {
doneCh <- true
}()
}
type mockResolver struct {
}
func (m *mockResolver) Start() {
}
func (m *mockResolver) Get(upstream string, got chan<- string, timeout time.Duration) {
got <- upstream
}

View File

@ -1,12 +0,0 @@
package pkg
import "time"
// Resolver resolves an upstream IP address for a given upstream host
type Resolver interface {
// Start any polling or connections required to resolve
Start()
// Get an IP address using an asynchronous operation
Get(upstream string, got chan<- string, timeout time.Duration)
}

View File

@ -4,57 +4,45 @@ import (
"context"
"fmt"
"log"
"os"
"path/filepath"
"sync"
"time"
"github.com/containerd/containerd"
"github.com/containerd/containerd/errdefs"
"github.com/containerd/containerd/remotes"
"github.com/containerd/containerd/remotes/docker"
"github.com/docker/cli/cli/config"
"github.com/docker/cli/cli/config/configfile"
"golang.org/x/sys/unix"
)
// dockerConfigDir contains "config.json"
const dockerConfigDir = "/var/lib/faasd/.docker/"
// Remove removes a container
func Remove(ctx context.Context, client *containerd.Client, name string) error {
container, containerErr := client.LoadContainer(ctx, name)
if containerErr == nil {
taskFound := true
found := true
t, err := container.Task(ctx, nil)
if err != nil {
if errdefs.IsNotFound(err) {
taskFound = false
found = false
} else {
return fmt.Errorf("unable to get task %w: ", err)
return fmt.Errorf("unable to get task %s: ", err)
}
}
if taskFound {
status, err := t.Status(ctx)
if found {
status, _ := t.Status(ctx)
fmt.Printf("Status of %s is: %s\n", name, status.Status)
log.Printf("Need to kill %s\n", name)
err := killTask(ctx, t)
if err != nil {
log.Printf("Unable to get status for: %s, error: %s", name, err.Error())
} else {
log.Printf("Status of %s is: %s\n", name, status.Status)
}
log.Printf("Need to kill task: %s\n", name)
if err = killTask(ctx, t); err != nil {
return fmt.Errorf("error killing task %s, %s, %w", container.ID(), name, err)
return fmt.Errorf("error killing task %s, %s, %s", container.ID(), name, err)
}
}
if err := container.Delete(ctx, containerd.WithSnapshotCleanup); err != nil {
return fmt.Errorf("error deleting container %s, %s, %w", container.ID(), name, err)
err = container.Delete(ctx, containerd.WithSnapshotCleanup)
if err != nil {
return fmt.Errorf("error deleting container %s, %s, %s", container.ID(), name, err)
}
} else {
service := client.SnapshotService("")
key := name + "snapshot"
@ -65,33 +53,27 @@ func Remove(ctx context.Context, client *containerd.Client, name string) error {
return nil
}
// Adapted from Stellar - https://github.com/stellar
// From Stellar
func killTask(ctx context.Context, task containerd.Task) error {
killTimeout := 30 * time.Second
wg := &sync.WaitGroup{}
wg.Add(1)
var err error
go func() {
defer wg.Done()
if task != nil {
wait, err := task.Wait(ctx)
if err != nil {
log.Printf("error waiting on task: %s", err)
err = fmt.Errorf("error waiting on task: %s", err)
return
}
if err := task.Kill(ctx, unix.SIGTERM, containerd.WithKillAll); err != nil {
log.Printf("error killing container task: %s", err)
}
select {
case <-wait:
task.Delete(ctx)
return
case <-time.After(killTimeout):
case <-time.After(5 * time.Second):
if err := task.Kill(ctx, unix.SIGKILL, containerd.WithKillAll); err != nil {
log.Printf("error force killing container task: %s", err)
}
@ -104,71 +86,20 @@ func killTask(ctx context.Context, task containerd.Task) error {
return err
}
func getResolver(ctx context.Context, configFile *configfile.ConfigFile) (remotes.Resolver, error) {
// credsFunc is based on https://github.com/moby/buildkit/blob/0b130cca040246d2ddf55117eeff34f546417e40/session/auth/authprovider/authprovider.go#L35
credFunc := func(host string) (string, string, error) {
if host == "registry-1.docker.io" {
host = "https://index.docker.io/v1/"
}
ac, err := configFile.GetAuthConfig(host)
if err != nil {
return "", "", err
}
if ac.IdentityToken != "" {
return "", ac.IdentityToken, nil
}
return ac.Username, ac.Password, nil
}
func PrepareImage(ctx context.Context, client *containerd.Client, imageName, snapshotter string) (containerd.Image, error) {
authOpts := []docker.AuthorizerOpt{docker.WithAuthCreds(credFunc)}
authorizer := docker.NewDockerAuthorizer(authOpts...)
opts := docker.ResolverOptions{
Hosts: docker.ConfigureDefaultRegistries(docker.WithAuthorizer(authorizer)),
}
return docker.NewResolver(opts), nil
}
func PrepareImage(ctx context.Context, client *containerd.Client, imageName, snapshotter string, pullAlways bool) (containerd.Image, error) {
var (
empty containerd.Image
resolver remotes.Resolver
)
if _, statErr := os.Stat(filepath.Join(dockerConfigDir, config.ConfigFileName)); statErr == nil {
configFile, err := config.Load(dockerConfigDir)
if err != nil {
return nil, err
}
resolver, err = getResolver(ctx, configFile)
if err != nil {
return empty, err
}
} else if !os.IsNotExist(statErr) {
return empty, statErr
}
var image containerd.Image
if pullAlways {
img, err := pullImage(ctx, client, resolver, imageName)
if err != nil {
var empty containerd.Image
image, err := client.GetImage(ctx, imageName)
if err != nil {
if !errdefs.IsNotFound(err) {
return empty, err
}
img, err := client.Pull(ctx, imageName, containerd.WithPullUnpack)
if err != nil {
return empty, fmt.Errorf("cannot pull: %s", err)
}
image = img
} else {
img, err := client.GetImage(ctx, imageName)
if err != nil {
if !errdefs.IsNotFound(err) {
return empty, err
}
img, err := pullImage(ctx, client, resolver, imageName)
if err != nil {
return empty, err
}
image = img
} else {
image = img
}
}
unpacked, err := image.IsUnpacked(ctx, snapshotter)
@ -184,23 +115,3 @@ func PrepareImage(ctx context.Context, client *containerd.Client, imageName, sna
return image, nil
}
func pullImage(ctx context.Context, client *containerd.Client, resolver remotes.Resolver, imageName string) (containerd.Image, error) {
var empty containerd.Image
rOpts := []containerd.RemoteOpt{
containerd.WithPullUnpack,
}
if resolver != nil {
rOpts = append(rOpts, containerd.WithResolver(resolver))
}
img, err := client.Pull(ctx, imageName, rOpts...)
if err != nil {
return empty, fmt.Errorf("cannot pull: %s", err)
}
return img, nil
}

View File

@ -6,193 +6,102 @@ import (
"io/ioutil"
"log"
"os"
"os/exec"
"path"
"sort"
"strconv"
"strings"
"github.com/alexellis/arkade/pkg/env"
"github.com/compose-spec/compose-go/loader"
compose "github.com/compose-spec/compose-go/types"
"github.com/alexellis/faasd/pkg/service"
"github.com/alexellis/faasd/pkg/weave"
"github.com/containerd/containerd"
"github.com/containerd/containerd/cio"
"github.com/containerd/containerd/containers"
"github.com/containerd/containerd/oci"
gocni "github.com/containerd/go-cni"
"github.com/docker/distribution/reference"
"github.com/openfaas/faasd/pkg/cninetwork"
"github.com/openfaas/faasd/pkg/service"
"github.com/pkg/errors"
"github.com/containerd/containerd/namespaces"
units "github.com/docker/go-units"
"github.com/containerd/containerd/oci"
"github.com/opencontainers/runtime-spec/specs-go"
)
const (
// workingDirectoryPermission user read/write/execute, group and others: read-only
workingDirectoryPermission = 0744
)
type Service struct {
// Image is the container image registry reference, in an OCI format.
Image string
Env []string
Name string
Mounts []Mount
Caps []string
Args []string
DependsOn []string
Ports []ServicePort
// User in the docker-compose.yaml spec can set as follows:
// a user-id, username, userid:groupid or user:group
User string
}
type ServicePort struct {
TargetPort uint32
Port uint32
HostIP string
}
type Mount struct {
// Src relative to the working directory for faasd
Src string
// Dest is the absolute path within the container
Dest string
// ReadOnly when set to true indicates the mount will be set to "ro" instead of "rw"
ReadOnly bool
}
const defaultSnapshotter = "overlayfs"
type Supervisor struct {
client *containerd.Client
cni gocni.CNI
}
func NewSupervisor(sock string) (*Supervisor, error) {
client, err := containerd.New(sock)
if err != nil {
return nil, err
}
cni, err := cninetwork.InitNetwork()
if err != nil {
return nil, err
panic(err)
}
return &Supervisor{
client: client,
cni: cni,
}, nil
}
func (s *Supervisor) Close() {
defer s.client.Close()
}
func (s *Supervisor) Remove(svcs []Service) error {
ctx := namespaces.WithNamespace(context.Background(), "default")
for _, svc := range svcs {
err := service.Remove(ctx, s.client, svc.Name)
if err != nil {
return err
}
}
return nil
}
func (s *Supervisor) Start(svcs []Service) error {
ctx := namespaces.WithNamespace(context.Background(), FaasdNamespace)
ctx := namespaces.WithNamespace(context.Background(), "default")
wd, _ := os.Getwd()
gw, err := cninetwork.CNIGateway()
if err != nil {
return err
}
hosts := fmt.Sprintf(`
127.0.0.1 localhost
%s faasd-provider`, gw)
writeHostsErr := ioutil.WriteFile(path.Join(wd, "hosts"),
[]byte(hosts), workingDirectoryPermission)
[]byte(`127.0.0.1 localhost
172.19.0.1 faas-containerd`), 0644)
if writeHostsErr != nil {
return fmt.Errorf("cannot write hosts file: %s", writeHostsErr)
}
// os.Chown("hosts", 101, 101)
images := map[string]containerd.Image{}
for _, svc := range svcs {
fmt.Printf("Preparing %s with image: %s\n", svc.Name, svc.Image)
fmt.Printf("Preparing: %s with image: %s\n", svc.Name, svc.Image)
r, err := reference.ParseNormalizedNamed(svc.Image)
if err != nil {
return err
}
imgRef := reference.TagNameOnly(r).String()
img, err := service.PrepareImage(ctx, s.client, imgRef, defaultSnapshotter, faasServicesPullAlways)
img, err := service.PrepareImage(ctx, s.client, svc.Image, defaultSnapshotter)
if err != nil {
return err
}
images[svc.Name] = img
size, _ := img.Size(ctx)
fmt.Printf("Prepare done for: %s, %s\n", svc.Image, units.HumanSize(float64(size)))
fmt.Printf("Prepare done for: %s, %d bytes\n", svc.Image, size)
}
for _, svc := range svcs {
fmt.Printf("Removing old container for: %s\n", svc.Name)
fmt.Printf("Reconciling: %s\n", svc.Name)
containerErr := service.Remove(ctx, s.client, svc.Name)
if containerErr != nil {
return containerErr
}
}
order := buildDeploymentOrder(svcs)
for _, key := range order {
var svc *Service
for _, s := range svcs {
if s.Name == key {
svc = &s
break
}
}
fmt.Printf("Starting: %s\n", svc.Name)
image := images[svc.Name]
mounts := []specs.Mount{}
if len(svc.Mounts) > 0 {
for _, mnt := range svc.Mounts {
var options = []string{"rbind"}
if mnt.ReadOnly {
options = append(options, "ro")
} else {
options = append(options, "rw")
}
mounts = append(mounts, specs.Mount{
Source: mnt.Src,
Destination: mnt.Dest,
Type: "bind",
Options: options,
Options: []string{"rbind", "rw"},
})
// Only create directories, not files.
// Some files don't have a suffix, such as secrets.
if len(path.Ext(mnt.Src)) == 0 &&
!strings.HasPrefix(mnt.Src, "/var/lib/faasd/secrets/") {
// src is already prefixed with wd from an earlier step
src := mnt.Src
fmt.Printf("Creating local directory: %s\n", src)
if err := os.MkdirAll(src, workingDirectoryPermission); err != nil {
if !errors.Is(os.ErrExist, err) {
fmt.Printf("Unable to create: %s, %s\n", src, err)
}
}
if len(svc.User) > 0 {
uid, err := strconv.Atoi(svc.User)
if err == nil {
if err := os.Chown(src, uid, -1); err != nil {
fmt.Printf("Unable to chown: %s to %d, error: %s\n", src, uid, err)
}
}
}
}
}
}
mounts = append(mounts, specs.Mount{
@ -209,75 +118,76 @@ func (s *Supervisor) Start(svcs []Service) error {
Options: []string{"rbind", "ro"},
})
if len(svc.User) > 0 {
log.Printf("Running %s with user: %q", svc.Name, svc.User)
hook := func(_ context.Context, _ oci.Client, _ *containers.Container, s *specs.Spec) error {
if s.Hooks == nil {
s.Hooks = &specs.Hooks{}
}
netnsPath, err := exec.LookPath("netns")
if err != nil {
return err
}
s.Hooks.Prestart = []specs.Hook{
{
Path: netnsPath,
Args: []string{
"netns",
},
Env: os.Environ(),
},
}
return nil
}
newContainer, err := s.client.NewContainer(
newContainer, containerCreateErr := s.client.NewContainer(
ctx,
svc.Name,
containerd.WithImage(image),
containerd.WithNewSnapshot(svc.Name+"-snapshot", image),
containerd.WithNewSpec(oci.WithImageConfig(image),
oci.WithHostname(svc.Name),
withUserOrDefault(svc.User),
oci.WithCapabilities(svc.Caps),
oci.WithMounts(mounts),
withOCIArgs(svc.Args),
hook,
oci.WithEnv(svc.Env)),
)
if containerCreateErr != nil {
log.Println(containerCreateErr)
return containerCreateErr
}
log.Printf("Created container %s\n", newContainer.ID())
task, err := newContainer.NewTask(ctx, cio.NewCreator(cio.WithStdio))
if err != nil {
log.Printf("Error creating container: %s\n", err)
log.Println(err)
return err
}
log.Printf("Created container: %s\n", newContainer.ID())
ip := getIP(newContainer.ID(), task.Pid())
task, err := newContainer.NewTask(ctx, cio.BinaryIO("/usr/local/bin/faasd", nil))
if err != nil {
log.Printf("Error creating task: %s\n", err)
return err
}
labels := map[string]string{}
_, err = cninetwork.CreateCNINetwork(ctx, s.cni, task, labels)
if err != nil {
log.Printf("Error creating CNI for %s: %s", svc.Name, err)
return err
}
ip, err := cninetwork.GetIPAddress(svc.Name, task.Pid())
if err != nil {
log.Printf("Error getting IP for %s: %s", svc.Name, err)
return err
}
log.Printf("%s has IP: %s\n", newContainer.ID(), ip)
hosts, err := ioutil.ReadFile("hosts")
if err != nil {
log.Printf("Unable to read hosts file: %s\n", err.Error())
}
hosts, _ := ioutil.ReadFile("hosts")
hosts = []byte(string(hosts) + fmt.Sprintf(`
%s %s
`, ip, svc.Name))
writeErr := ioutil.WriteFile("hosts", hosts, 0644)
if err := ioutil.WriteFile("hosts", hosts, workingDirectoryPermission); err != nil {
log.Printf("Error writing file: %s %s\n", "hosts", err)
if writeErr != nil {
log.Println("Error writing hosts file")
}
// os.Chown("hosts", 101, 101)
if _, err := task.Wait(ctx); err != nil {
log.Printf("Task wait error: %s\n", err)
exitStatusC, err := task.Wait(ctx)
if err != nil {
log.Println(err)
return err
}
log.Println("Exited: ", exitStatusC)
log.Printf("Task: %s\tContainer: %s\n", task.ID(), newContainer.ID())
// log.Println("Exited: ", exitStatusC)
if err = task.Start(ctx); err != nil {
log.Printf("Task start error: %s\n", err)
if err := task.Start(ctx); err != nil {
log.Println("Task err: ", err)
return err
}
}
@ -285,36 +195,37 @@ func (s *Supervisor) Start(svcs []Service) error {
return nil
}
func (s *Supervisor) Close() {
defer s.client.Close()
func getIP(containerID string, taskPID uint32) string {
// https://github.com/weaveworks/weave/blob/master/net/netdev.go
peerIDs, err := weave.ConnectedToBridgeVethPeerIds("netns0")
if err != nil {
log.Fatal(err)
}
addrs, addrsErr := weave.GetNetDevsByVethPeerIds(int(taskPID), peerIDs)
if addrsErr != nil {
log.Fatal(addrsErr)
}
if len(addrs) > 0 {
return addrs[0].CIDRs[0].IP.String()
}
return ""
}
func (s *Supervisor) Remove(svcs []Service) error {
ctx := namespaces.WithNamespace(context.Background(), FaasdNamespace)
for _, svc := range svcs {
err := cninetwork.DeleteCNINetwork(ctx, s.cni, s.client, svc.Name)
if err != nil {
log.Printf("[Delete] error removing CNI network for %s, %s\n", svc.Name, err)
return err
}
err = service.Remove(ctx, s.client, svc.Name)
if err != nil {
return err
}
}
return nil
type Service struct {
Image string
Env []string
Name string
Mounts []Mount
Caps []string
Args []string
}
func withUserOrDefault(userstr string) oci.SpecOpts {
if len(userstr) > 0 {
return oci.WithUser(userstr)
}
return func(_ context.Context, _ oci.Client, _ *containers.Container, s *oci.Spec) error {
return nil
}
type Mount struct {
Src string
Dest string
}
func withOCIArgs(args []string) oci.SpecOpts {
@ -323,141 +234,8 @@ func withOCIArgs(args []string) oci.SpecOpts {
}
return func(_ context.Context, _ oci.Client, _ *containers.Container, s *oci.Spec) error {
return nil
}
}
// ParseCompose converts a docker-compose Config into a service list that we can
// pass to the supervisor client Start.
//
// The only anticipated error is a failure if the value mounts are not of type `bind`.
func ParseCompose(config *compose.Config) ([]Service, error) {
services := make([]Service, len(config.Services))
for idx, s := range config.Services {
// environment is a map[string]*string
// but we want a []string
var env []string
envKeys := sortedEnvKeys(s.Environment)
for _, name := range envKeys {
value := s.Environment[name]
if value == nil {
env = append(env, fmt.Sprintf(`%s=""`, name))
} else {
env = append(env, fmt.Sprintf(`%s=%s`, name, *value))
}
}
var mounts []Mount
for _, v := range s.Volumes {
if v.Type != "bind" {
return nil, errors.Errorf("unsupported volume mount type '%s' when parsing service '%s'", v.Type, s.Name)
}
mounts = append(mounts, Mount{
Src: v.Source,
Dest: v.Target,
ReadOnly: v.ReadOnly,
})
}
services[idx] = Service{
Name: s.Name,
Image: s.Image,
// ShellCommand is just an alias of string slice
Args: []string(s.Command),
Caps: s.CapAdd,
Env: env,
Mounts: mounts,
DependsOn: s.DependsOn,
User: s.User,
Ports: convertPorts(s.Ports),
}
}
return services, nil
}
func convertPorts(ports []compose.ServicePortConfig) []ServicePort {
servicePorts := []ServicePort{}
for _, p := range ports {
servicePorts = append(servicePorts, ServicePort{
Port: p.Published,
TargetPort: p.Target,
HostIP: p.HostIP,
})
}
return servicePorts
}
// LoadComposeFile is a helper method for loading a docker-compose file
func LoadComposeFile(wd string, file string) (*compose.Config, error) {
return LoadComposeFileWithArch(wd, file, env.GetClientArch)
}
// LoadComposeFileWithArch is a helper method for loading a docker-compose file
func LoadComposeFileWithArch(wd string, file string, archGetter ArchGetter) (*compose.Config, error) {
file = path.Join(wd, file)
b, err := ioutil.ReadFile(file)
if err != nil {
return nil, err
}
config, err := loader.ParseYAML(b)
if err != nil {
return nil, err
}
archSuffix, err := GetArchSuffix(archGetter)
if err != nil {
return nil, err
}
var files []compose.ConfigFile
files = append(files, compose.ConfigFile{Filename: file, Config: config})
return loader.Load(compose.ConfigDetails{
WorkingDir: wd,
ConfigFiles: files,
Environment: map[string]string{
"ARCH_SUFFIX": archSuffix,
},
})
}
func sortedEnvKeys(env map[string]*string) (keys []string) {
for k := range env {
keys = append(keys, k)
}
sort.Strings(keys)
return keys
}
// ArchGetter provides client CPU architecture and
// client OS
type ArchGetter func() (string, string)
// GetArchSuffix provides client CPU architecture and
// client OS from ArchGetter
func GetArchSuffix(getClientArch ArchGetter) (suffix string, err error) {
clientArch, clientOS := getClientArch()
if clientOS != "Linux" {
return "", fmt.Errorf("you can only use faasd with Linux")
}
switch clientArch {
case "x86_64":
// no suffix needed
return "", nil
case "armhf", "armv7l":
return "-armhf", nil
case "arm64", "aarch64":
return "-arm64", nil
default:
// unknown, so use the default without suffix for now
return "", nil
}
}

View File

@ -1,262 +0,0 @@
package pkg
import (
"path"
"reflect"
"testing"
)
func Test_ParseCompose(t *testing.T) {
wd := "testdata"
want := map[string]Service{
"basic-auth-plugin": {
Name: "basic-auth-plugin",
Image: "docker.io/openfaas/basic-auth-plugin:0.18.17",
Env: []string{
"pass_filename=basic-auth-password",
"port=8080",
"secret_mount_path=/run/secrets",
"user_filename=basic-auth-user",
},
Mounts: []Mount{
{
Src: path.Join(wd, "secrets", "basic-auth-password"),
Dest: path.Join("/run/secrets", "basic-auth-password"),
},
{
Src: path.Join(wd, "secrets", "basic-auth-user"),
Dest: path.Join("/run/secrets", "basic-auth-user"),
},
},
Caps: []string{"CAP_NET_RAW"},
},
"nats": {
Name: "nats",
Image: "docker.io/library/nats-streaming:0.11.2",
Args: []string{"/nats-streaming-server", "-m", "8222", "--store=memory", "--cluster_id=faas-cluster"},
},
"prometheus": {
Name: "prometheus",
Image: "docker.io/prom/prometheus:v2.14.0",
Mounts: []Mount{
{
Src: path.Join(wd, "prometheus.yml"),
Dest: "/etc/prometheus/prometheus.yml",
},
},
Caps: []string{"CAP_NET_RAW"},
},
"gateway": {
Name: "gateway",
Env: []string{
"auth_proxy_pass_body=false",
"auth_proxy_url=http://basic-auth-plugin:8080/validate",
"basic_auth=true",
"direct_functions=false",
"faas_nats_address=nats",
"faas_nats_port=4222",
"functions_provider_url=http://faasd-provider:8081/",
"read_timeout=60s",
"scale_from_zero=true",
"secret_mount_path=/run/secrets",
"upstream_timeout=65s",
"write_timeout=60s",
},
Image: "docker.io/openfaas/gateway:0.18.17",
Mounts: []Mount{
{
Src: path.Join(wd, "secrets", "basic-auth-password"),
Dest: path.Join("/run/secrets", "basic-auth-password"),
},
{
Src: path.Join(wd, "secrets", "basic-auth-user"),
Dest: path.Join("/run/secrets", "basic-auth-user"),
},
},
Caps: []string{"CAP_NET_RAW"},
DependsOn: []string{"nats"},
},
"queue-worker": {
Name: "queue-worker",
Env: []string{
"ack_wait=5m5s",
"basic_auth=true",
"faas_gateway_address=gateway",
"faas_nats_address=nats",
"faas_nats_port=4222",
"gateway_invoke=true",
"max_inflight=1",
"secret_mount_path=/run/secrets",
"write_debug=false",
},
Image: "docker.io/openfaas/queue-worker:0.11.2",
Mounts: []Mount{
{
Src: path.Join(wd, "secrets", "basic-auth-password"),
Dest: path.Join("/run/secrets", "basic-auth-password"),
},
{
Src: path.Join(wd, "secrets", "basic-auth-user"),
Dest: path.Join("/run/secrets", "basic-auth-user"),
},
},
Caps: []string{"CAP_NET_RAW"},
},
}
compose, err := LoadComposeFileWithArch(wd, "docker-compose.yaml", func() (string, string) { return "x86_64", "Linux" })
if err != nil {
t.Fatalf("can't read docker-compose file: %s", err)
}
services, err := ParseCompose(compose)
if err != nil {
t.Fatalf("can't parse compose services: %s", err)
}
if len(services) != len(want) {
t.Fatalf("want: %d services, got: %d", len(want), len(services))
}
for _, service := range services {
exp, ok := want[service.Name]
if service.Name == "gateway" {
if len(service.DependsOn) == 0 {
t.Fatalf("gateway should have at least one depends_on entry")
}
}
if !ok {
t.Fatalf("incorrect service: %s", service.Name)
}
if service.Name != exp.Name {
t.Fatalf("incorrect service Name:\n\twant: %s,\n\tgot: %s", exp.Name, service.Name)
}
if service.Image != exp.Image {
t.Fatalf("incorrect service Image:\n\twant: %s,\n\tgot: %s", exp.Image, service.Image)
}
equalStringSlice(t, exp.Env, service.Env)
equalStringSlice(t, exp.Caps, service.Caps)
equalStringSlice(t, exp.Args, service.Args)
if !reflect.DeepEqual(exp.Mounts, service.Mounts) {
t.Fatalf("incorrect service Mounts:\n\twant: %+v,\n\tgot: %+v", exp.Mounts, service.Mounts)
}
}
}
func equalStringSlice(t *testing.T, want, found []string) {
t.Helper()
if (want == nil) != (found == nil) {
t.Fatalf("unexpected nil slice: want %+v, got %+v", want, found)
}
if len(want) != len(found) {
t.Fatalf("unequal slice length: want %+v, got %+v", want, found)
}
for i := range want {
if want[i] != found[i] {
t.Fatalf("unexpected value at postition %d: want %s, got %s", i, want[i], found[i])
}
}
}
func equalMountSlice(t *testing.T, want, found []Mount) {
t.Helper()
if (want == nil) != (found == nil) {
t.Fatalf("unexpected nil slice: want %+v, got %+v", want, found)
}
if len(want) != len(found) {
t.Fatalf("unequal slice length: want %+v, got %+v", want, found)
}
for i := range want {
if !reflect.DeepEqual(want[i], found[i]) {
t.Fatalf("unexpected value at postition %d: want %v, got %v", i, want[i], found[i])
}
}
}
func Test_GetArchSuffix(t *testing.T) {
cases := []struct {
name string
want string
foundArch string
foundOS string
err string
}{
{
name: "error if os is not linux",
foundOS: "mac",
err: "you can only use faasd with Linux",
},
{
name: "x86 has no suffix",
foundOS: "Linux",
foundArch: "x86_64",
want: "",
},
{
name: "unknown arch has no suffix",
foundOS: "Linux",
foundArch: "anything_else",
want: "",
},
{
name: "armhf has armhf suffix",
foundOS: "Linux",
foundArch: "armhf",
want: "-armhf",
},
{
name: "armv7l has armhf suffix",
foundOS: "Linux",
foundArch: "armv7l",
want: "-armhf",
},
{
name: "arm64 has arm64 suffix",
foundOS: "Linux",
foundArch: "arm64",
want: "-arm64",
},
{
name: "aarch64 has arm64 suffix",
foundOS: "Linux",
foundArch: "aarch64",
want: "-arm64",
},
}
for _, tc := range cases {
t.Run(tc.name, func(t *testing.T) {
suffix, err := GetArchSuffix(testArchGetter(tc.foundArch, tc.foundOS))
if tc.err != "" && err == nil {
t.Fatalf("want error %s but got nil", tc.err)
} else if tc.err != "" && err.Error() != tc.err {
t.Fatalf("want error %s, got %s", tc.err, err.Error())
} else if tc.err == "" && err != nil {
t.Fatalf("unexpected error %s", err.Error())
}
if suffix != tc.want {
t.Fatalf("want suffix %s, got %s", tc.want, suffix)
}
})
}
}
func testArchGetter(arch, os string) ArchGetter {
return func() (string, string) {
return arch, os
}
}

View File

@ -64,11 +64,7 @@ func DaemonReload() error {
return nil
}
func InstallUnit(name string, tokens map[string]string) error {
if len(tokens["Cwd"]) == 0 {
return fmt.Errorf("key Cwd expected in tokens parameter")
}
func InstallUnit(name string) error {
tmplName := "./hack/" + name + ".service"
tmpl, err := template.ParseFiles(tmplName)
@ -76,9 +72,15 @@ func InstallUnit(name string, tokens map[string]string) error {
return fmt.Errorf("error loading template %s, error %s", tmplName, err)
}
wd, _ := os.Getwd()
var tpl bytes.Buffer
userData := struct {
Cwd string
}{
Cwd: wd,
}
err = tmpl.Execute(&tpl, tokens)
err = tmpl.Execute(&tpl, userData)
if err != nil {
return err
}

View File

@ -1,98 +0,0 @@
version: "3.7"
services:
basic-auth-plugin:
image: "docker.io/openfaas/basic-auth-plugin:0.18.17${ARCH_SUFFIX}"
environment:
- port=8080
- secret_mount_path=/run/secrets
- user_filename=basic-auth-user
- pass_filename=basic-auth-password
volumes:
# we assume cwd == /var/lib/faasd
- type: bind
source: ./secrets/basic-auth-password
target: /run/secrets/basic-auth-password
- type: bind
source: ./secrets/basic-auth-user
target: /run/secrets/basic-auth-user
cap_add:
- CAP_NET_RAW
nats:
image: docker.io/library/nats-streaming:0.11.2
command:
- "/nats-streaming-server"
- "-m"
- "8222"
- "--store=memory"
- "--cluster_id=faas-cluster"
ports:
- "127.0.0.1:8222:8222"
prometheus:
image: docker.io/prom/prometheus:v2.14.0
volumes:
- type: bind
source: ./prometheus.yml
target: /etc/prometheus/prometheus.yml
cap_add:
- CAP_NET_RAW
ports:
- "127.0.0.1:9090:9090"
gateway:
image: "docker.io/openfaas/gateway:0.18.17${ARCH_SUFFIX}"
environment:
- basic_auth=true
- functions_provider_url=http://faasd-provider:8081/
- direct_functions=false
- read_timeout=60s
- write_timeout=60s
- upstream_timeout=65s
- faas_nats_address=nats
- faas_nats_port=4222
- auth_proxy_url=http://basic-auth-plugin:8080/validate
- auth_proxy_pass_body=false
- secret_mount_path=/run/secrets
- scale_from_zero=true
volumes:
# we assume cwd == /var/lib/faasd
- type: bind
source: ./secrets/basic-auth-password
target: /run/secrets/basic-auth-password
- type: bind
source: ./secrets/basic-auth-user
target: /run/secrets/basic-auth-user
cap_add:
- CAP_NET_RAW
depends_on:
- basic-auth-plugin
- nats
- prometheus
ports:
- "8080:8080"
queue-worker:
image: docker.io/openfaas/queue-worker:0.11.2
environment:
- faas_nats_address=nats
- faas_nats_port=4222
- gateway_invoke=true
- faas_gateway_address=gateway
- ack_wait=5m5s
- max_inflight=1
- write_debug=false
- basic_auth=true
- secret_mount_path=/run/secrets
volumes:
# we assume cwd == /var/lib/faasd
- type: bind
source: ./secrets/basic-auth-password
target: /run/secrets/basic-auth-password
- type: bind
source: ./secrets/basic-auth-user
target: /run/secrets/basic-auth-user
cap_add:
- CAP_NET_RAW
depends_on:
- nats

View File

@ -3,7 +3,7 @@
// Copyright Weaveworks
// github.com/weaveworks/weave/net
package cninetwork
package weave
import (
"errors"

131
pkg/weave/weave.go Normal file
View File

@ -0,0 +1,131 @@
// Copyright Weaveworks
// github.com/weaveworks/weave/net
package weave
import (
"fmt"
"net"
"os"
"github.com/vishvananda/netlink"
"github.com/vishvananda/netns"
)
type Dev struct {
Name string `json:"Name,omitempty"`
MAC net.HardwareAddr `json:"MAC,omitempty"`
CIDRs []*net.IPNet `json:"CIDRs,omitempty"`
}
func linkToNetDev(link netlink.Link) (Dev, error) {
addrs, err := netlink.AddrList(link, netlink.FAMILY_V4)
if err != nil {
return Dev{}, err
}
netDev := Dev{Name: link.Attrs().Name, MAC: link.Attrs().HardwareAddr}
for _, addr := range addrs {
netDev.CIDRs = append(netDev.CIDRs, addr.IPNet)
}
return netDev, nil
}
// ConnectedToBridgeVethPeerIds returns peer indexes of veth links connected to
// the given bridge. The peer index is used to query from a container netns
// whether the container is connected to the bridge.
func ConnectedToBridgeVethPeerIds(bridgeName string) ([]int, error) {
var ids []int
br, err := netlink.LinkByName(bridgeName)
if err != nil {
return nil, err
}
links, err := netlink.LinkList()
if err != nil {
return nil, err
}
for _, link := range links {
if _, isveth := link.(*netlink.Veth); isveth && link.Attrs().MasterIndex == br.Attrs().Index {
peerID := link.Attrs().ParentIndex
if peerID == 0 {
// perhaps running on an older kernel where ParentIndex doesn't work.
// as fall-back, assume the peers are consecutive
peerID = link.Attrs().Index - 1
}
ids = append(ids, peerID)
}
}
return ids, nil
}
// Lookup the weave interface of a container
func GetWeaveNetDevs(processID int) ([]Dev, error) {
peerIDs, err := ConnectedToBridgeVethPeerIds("weave")
if err != nil {
return nil, err
}
return GetNetDevsByVethPeerIds(processID, peerIDs)
}
func GetNetDevsByVethPeerIds(processID int, peerIDs []int) ([]Dev, error) {
// Bail out if this container is running in the root namespace
netnsRoot, err := netns.GetFromPid(1)
if err != nil {
return nil, fmt.Errorf("unable to open root namespace: %s", err)
}
defer netnsRoot.Close()
netnsContainer, err := netns.GetFromPid(processID)
if err != nil {
// Unable to find a namespace for this process - just return nothing
if os.IsNotExist(err) {
return nil, nil
}
return nil, fmt.Errorf("unable to open process %d namespace: %s", processID, err)
}
defer netnsContainer.Close()
if netnsRoot.Equal(netnsContainer) {
return nil, nil
}
// convert list of peerIDs into a map for faster lookup
indexes := make(map[int]struct{})
for _, id := range peerIDs {
indexes[id] = struct{}{}
}
var netdevs []Dev
err = WithNetNS(netnsContainer, func() error {
links, err := netlink.LinkList()
if err != nil {
return err
}
for _, link := range links {
if _, found := indexes[link.Attrs().Index]; found {
netdev, err := linkToNetDev(link)
if err != nil {
return err
}
netdevs = append(netdevs, netdev)
}
}
return nil
})
return netdevs, err
}
// Get the weave bridge interface.
// NB: Should be called from the root network namespace.
func GetBridgeNetDev(bridgeName string) (Dev, error) {
link, err := netlink.LinkByName(bridgeName)
if err != nil {
return Dev{}, err
}
return linkToNetDev(link)
}

View File

@ -26,7 +26,3 @@ scrape_configs:
- job_name: 'gateway'
static_configs:
- targets: ['gateway:8082']
- job_name: 'provider'
static_configs:
- targets: ['faasd-provider:8081']

View File

@ -1,93 +0,0 @@
# go-fuzz-headers
This repository contains various helper functions for go fuzzing. It is mostly used in combination with [go-fuzz](https://github.com/dvyukov/go-fuzz), but compatibility with fuzzing in the standard library will also be supported. Any coverage guided fuzzing engine that provides an array or slice of bytes can be used with go-fuzz-headers.
## Usage
Using go-fuzz-headers is easy. First create a new consumer with the bytes provided by the fuzzing engine:
```go
import (
fuzz "github.com/AdaLogics/go-fuzz-headers"
)
data := []byte{'R', 'a', 'n', 'd', 'o', 'm'}
f := fuzz.NewConsumer(data)
```
This creates a `Consumer` that consumes the bytes of the input as it uses them to fuzz different types.
After that, `f` can be used to easily create fuzzed instances of different types. Below are some examples:
### Structs
One of the most useful features of go-fuzz-headers is its ability to fill structs with the data provided by the fuzzing engine. This is done with a single line:
```go
type Person struct {
Name string
Age int
}
p := Person{}
// Fill p with values based on the data provided by the fuzzing engine:
err := f.GenerateStruct(&p)
```
This includes nested structs too. In this example, the fuzz Consumer will also insert values in `p.BestFriend`:
```go
type PersonI struct {
Name string
Age int
BestFriend PersonII
}
type PersonII struct {
Name string
Age int
}
p := PersonI{}
err := f.GenerateStruct(&p)
```
If the consumer should insert values for unexported fields as well as exported, this can be enabled with:
```go
f.AllowUnexportedFields()
```
...and disabled with:
```go
f.DisallowUnexportedFields()
```
### Other types:
Other useful APIs:
```go
createdString, err := f.GetString() // Gets a string
createdInt, err := f.GetInt() // Gets an integer
createdByte, err := f.GetByte() // Gets a byte
createdBytes, err := f.GetBytes() // Gets a byte slice
createdBool, err := f.GetBool() // Gets a boolean
err := f.FuzzMap(target_map) // Fills a map
createdTarBytes, err := f.TarBytes() // Gets bytes of a valid tar archive
err := f.CreateFiles(inThisDir) // Fills inThisDir with files
createdString, err := f.GetStringFrom("anyCharInThisString", ofThisLength) // Gets a string that consists of chars from "anyCharInThisString" and has the exact length "ofThisLength"
```
Most APIs are added as they are needed.
## Projects that use go-fuzz-headers
- [runC](https://github.com/opencontainers/runc)
- [Istio](https://github.com/istio/istio)
- [Vitess](https://github.com/vitessio/vitess)
- [Containerd](https://github.com/containerd/containerd)
Feel free to add your own project to the list, if you use go-fuzz-headers to fuzz it.
## Status
The project is under development and will be updated regularly.
## References
go-fuzz-headers' approach to fuzzing structs is strongly inspired by [gofuzz](https://github.com/google/gofuzz).

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// Copyright 2023 The go-fuzz-headers Authors.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package gofuzzheaders
import (
"archive/tar"
"bytes"
"encoding/binary"
"errors"
"fmt"
"io"
"math"
"os"
"path/filepath"
"reflect"
"strings"
"time"
"unsafe"
securejoin "github.com/cyphar/filepath-securejoin"
)
var (
MaxTotalLen uint32 = 2000000
maxDepth = 100
)
func SetMaxTotalLen(newLen uint32) {
MaxTotalLen = newLen
}
type ConsumeFuzzer struct {
data []byte
dataTotal uint32
CommandPart []byte
RestOfArray []byte
NumberOfCalls int
position uint32
fuzzUnexportedFields bool
curDepth int
Funcs map[reflect.Type]reflect.Value
}
func IsDivisibleBy(n int, divisibleby int) bool {
return (n % divisibleby) == 0
}
func NewConsumer(fuzzData []byte) *ConsumeFuzzer {
return &ConsumeFuzzer{
data: fuzzData,
dataTotal: uint32(len(fuzzData)),
Funcs: make(map[reflect.Type]reflect.Value),
curDepth: 0,
}
}
func (f *ConsumeFuzzer) Split(minCalls, maxCalls int) error {
if f.dataTotal == 0 {
return errors.New("could not split")
}
numberOfCalls := int(f.data[0])
if numberOfCalls < minCalls || numberOfCalls > maxCalls {
return errors.New("bad number of calls")
}
if int(f.dataTotal) < numberOfCalls+numberOfCalls+1 {
return errors.New("length of data does not match required parameters")
}
// Define part 2 and 3 of the data array
commandPart := f.data[1 : numberOfCalls+1]
restOfArray := f.data[numberOfCalls+1:]
// Just a small check. It is necessary
if len(commandPart) != numberOfCalls {
return errors.New("length of commandPart does not match number of calls")
}
// Check if restOfArray is divisible by numberOfCalls
if !IsDivisibleBy(len(restOfArray), numberOfCalls) {
return errors.New("length of commandPart does not match number of calls")
}
f.CommandPart = commandPart
f.RestOfArray = restOfArray
f.NumberOfCalls = numberOfCalls
return nil
}
func (f *ConsumeFuzzer) AllowUnexportedFields() {
f.fuzzUnexportedFields = true
}
func (f *ConsumeFuzzer) DisallowUnexportedFields() {
f.fuzzUnexportedFields = false
}
func (f *ConsumeFuzzer) GenerateStruct(targetStruct interface{}) error {
e := reflect.ValueOf(targetStruct).Elem()
return f.fuzzStruct(e, false)
}
func (f *ConsumeFuzzer) setCustom(v reflect.Value) error {
// First: see if we have a fuzz function for it.
doCustom, ok := f.Funcs[v.Type()]
if !ok {
return fmt.Errorf("could not find a custom function")
}
switch v.Kind() {
case reflect.Ptr:
if v.IsNil() {
if !v.CanSet() {
return fmt.Errorf("could not use a custom function")
}
v.Set(reflect.New(v.Type().Elem()))
}
case reflect.Map:
if v.IsNil() {
if !v.CanSet() {
return fmt.Errorf("could not use a custom function")
}
v.Set(reflect.MakeMap(v.Type()))
}
default:
return fmt.Errorf("could not use a custom function")
}
verr := doCustom.Call([]reflect.Value{v, reflect.ValueOf(Continue{
F: f,
})})
// check if we return an error
if verr[0].IsNil() {
return nil
}
return fmt.Errorf("could not use a custom function")
}
func (f *ConsumeFuzzer) fuzzStruct(e reflect.Value, customFunctions bool) error {
if f.curDepth >= maxDepth {
// return err or nil here?
return nil
}
f.curDepth++
defer func() { f.curDepth-- }()
// We check if we should check for custom functions
if customFunctions && e.IsValid() && e.CanAddr() {
err := f.setCustom(e.Addr())
if err != nil {
return err
}
}
switch e.Kind() {
case reflect.Struct:
for i := 0; i < e.NumField(); i++ {
var v reflect.Value
if !e.Field(i).CanSet() {
if f.fuzzUnexportedFields {
v = reflect.NewAt(e.Field(i).Type(), unsafe.Pointer(e.Field(i).UnsafeAddr())).Elem()
}
if err := f.fuzzStruct(v, customFunctions); err != nil {
return err
}
} else {
v = e.Field(i)
if err := f.fuzzStruct(v, customFunctions); err != nil {
return err
}
}
}
case reflect.String:
str, err := f.GetString()
if err != nil {
return err
}
if e.CanSet() {
e.SetString(str)
}
case reflect.Slice:
var maxElements uint32
// Byte slices should not be restricted
if e.Type().String() == "[]uint8" {
maxElements = 10000000
} else {
maxElements = 50
}
randQty, err := f.GetUint32()
if err != nil {
return err
}
numOfElements := randQty % maxElements
if (f.dataTotal - f.position) < numOfElements {
numOfElements = f.dataTotal - f.position
}
uu := reflect.MakeSlice(e.Type(), int(numOfElements), int(numOfElements))
for i := 0; i < int(numOfElements); i++ {
// If we have more than 10, then we can proceed with that.
if err := f.fuzzStruct(uu.Index(i), customFunctions); err != nil {
if i >= 10 {
if e.CanSet() {
e.Set(uu)
}
return nil
} else {
return err
}
}
}
if e.CanSet() {
e.Set(uu)
}
case reflect.Uint16:
newInt, err := f.GetUint16()
if err != nil {
return err
}
if e.CanSet() {
e.SetUint(uint64(newInt))
}
case reflect.Uint32:
newInt, err := f.GetUint32()
if err != nil {
return err
}
if e.CanSet() {
e.SetUint(uint64(newInt))
}
case reflect.Uint64:
newInt, err := f.GetInt()
if err != nil {
return err
}
if e.CanSet() {
e.SetUint(uint64(newInt))
}
case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
newInt, err := f.GetInt()
if err != nil {
return err
}
if e.CanSet() {
e.SetInt(int64(newInt))
}
case reflect.Float32:
newFloat, err := f.GetFloat32()
if err != nil {
return err
}
if e.CanSet() {
e.SetFloat(float64(newFloat))
}
case reflect.Float64:
newFloat, err := f.GetFloat64()
if err != nil {
return err
}
if e.CanSet() {
e.SetFloat(float64(newFloat))
}
case reflect.Map:
if e.CanSet() {
e.Set(reflect.MakeMap(e.Type()))
const maxElements = 50
randQty, err := f.GetInt()
if err != nil {
return err
}
numOfElements := randQty % maxElements
for i := 0; i < numOfElements; i++ {
key := reflect.New(e.Type().Key()).Elem()
if err := f.fuzzStruct(key, customFunctions); err != nil {
return err
}
val := reflect.New(e.Type().Elem()).Elem()
if err = f.fuzzStruct(val, customFunctions); err != nil {
return err
}
e.SetMapIndex(key, val)
}
}
case reflect.Ptr:
if e.CanSet() {
e.Set(reflect.New(e.Type().Elem()))
if err := f.fuzzStruct(e.Elem(), customFunctions); err != nil {
return err
}
return nil
}
case reflect.Uint8:
b, err := f.GetByte()
if err != nil {
return err
}
if e.CanSet() {
e.SetUint(uint64(b))
}
}
return nil
}
func (f *ConsumeFuzzer) GetStringArray() (reflect.Value, error) {
// The max size of the array:
const max uint32 = 20
arraySize := f.position
if arraySize > max {
arraySize = max
}
stringArray := reflect.MakeSlice(reflect.SliceOf(reflect.TypeOf("string")), int(arraySize), int(arraySize))
if f.position+arraySize >= f.dataTotal {
return stringArray, errors.New("could not make string array")
}
for i := 0; i < int(arraySize); i++ {
stringSize := uint32(f.data[f.position])
if f.position+stringSize >= f.dataTotal {
return stringArray, nil
}
stringToAppend := string(f.data[f.position : f.position+stringSize])
strVal := reflect.ValueOf(stringToAppend)
stringArray = reflect.Append(stringArray, strVal)
f.position += stringSize
}
return stringArray, nil
}
func (f *ConsumeFuzzer) GetInt() (int, error) {
if f.position >= f.dataTotal {
return 0, errors.New("not enough bytes to create int")
}
returnInt := int(f.data[f.position])
f.position++
return returnInt, nil
}
func (f *ConsumeFuzzer) GetByte() (byte, error) {
if f.position >= f.dataTotal {
return 0x00, errors.New("not enough bytes to get byte")
}
returnByte := f.data[f.position]
f.position++
return returnByte, nil
}
func (f *ConsumeFuzzer) GetNBytes(numberOfBytes int) ([]byte, error) {
if f.position >= f.dataTotal {
return nil, errors.New("not enough bytes to get byte")
}
returnBytes := make([]byte, 0, numberOfBytes)
for i := 0; i < numberOfBytes; i++ {
newByte, err := f.GetByte()
if err != nil {
return nil, err
}
returnBytes = append(returnBytes, newByte)
}
return returnBytes, nil
}
func (f *ConsumeFuzzer) GetUint16() (uint16, error) {
u16, err := f.GetNBytes(2)
if err != nil {
return 0, err
}
littleEndian, err := f.GetBool()
if err != nil {
return 0, err
}
if littleEndian {
return binary.LittleEndian.Uint16(u16), nil
}
return binary.BigEndian.Uint16(u16), nil
}
func (f *ConsumeFuzzer) GetUint32() (uint32, error) {
i, err := f.GetInt()
if err != nil {
return uint32(0), err
}
return uint32(i), nil
}
func (f *ConsumeFuzzer) GetUint64() (uint64, error) {
u64, err := f.GetNBytes(8)
if err != nil {
return 0, err
}
littleEndian, err := f.GetBool()
if err != nil {
return 0, err
}
if littleEndian {
return binary.LittleEndian.Uint64(u64), nil
}
return binary.BigEndian.Uint64(u64), nil
}
func (f *ConsumeFuzzer) GetBytes() ([]byte, error) {
if f.position >= f.dataTotal {
return nil, errors.New("not enough bytes to create byte array")
}
length, err := f.GetUint32()
if err != nil {
return nil, errors.New("not enough bytes to create byte array")
}
if f.position+length > MaxTotalLen {
return nil, errors.New("created too large a string")
}
byteBegin := f.position - 1
if byteBegin >= f.dataTotal {
return nil, errors.New("not enough bytes to create byte array")
}
if length == 0 {
return nil, errors.New("zero-length is not supported")
}
if byteBegin+length >= f.dataTotal {
return nil, errors.New("not enough bytes to create byte array")
}
if byteBegin+length < byteBegin {
return nil, errors.New("numbers overflow")
}
f.position = byteBegin + length
return f.data[byteBegin:f.position], nil
}
func (f *ConsumeFuzzer) GetString() (string, error) {
if f.position >= f.dataTotal {
return "nil", errors.New("not enough bytes to create string")
}
length, err := f.GetUint32()
if err != nil {
return "nil", errors.New("not enough bytes to create string")
}
if f.position > MaxTotalLen {
return "nil", errors.New("created too large a string")
}
byteBegin := f.position
if byteBegin >= f.dataTotal {
return "nil", errors.New("not enough bytes to create string")
}
if byteBegin+length > f.dataTotal {
return "nil", errors.New("not enough bytes to create string")
}
if byteBegin > byteBegin+length {
return "nil", errors.New("numbers overflow")
}
f.position = byteBegin + length
return string(f.data[byteBegin:f.position]), nil
}
func (f *ConsumeFuzzer) GetBool() (bool, error) {
if f.position >= f.dataTotal {
return false, errors.New("not enough bytes to create bool")
}
if IsDivisibleBy(int(f.data[f.position]), 2) {
f.position++
return true, nil
} else {
f.position++
return false, nil
}
}
func (f *ConsumeFuzzer) FuzzMap(m interface{}) error {
return f.GenerateStruct(m)
}
func returnTarBytes(buf []byte) ([]byte, error) {
// Count files
var fileCounter int
tr := tar.NewReader(bytes.NewReader(buf))
for {
_, err := tr.Next()
if err == io.EOF {
break
}
if err != nil {
return nil, err
}
fileCounter++
}
if fileCounter >= 1 {
return buf, nil
}
return nil, fmt.Errorf("not enough files were created\n")
}
func setTarHeaderFormat(hdr *tar.Header, f *ConsumeFuzzer) error {
ind, err := f.GetInt()
if err != nil {
return err
}
switch ind % 4 {
case 0:
hdr.Format = tar.FormatUnknown
case 1:
hdr.Format = tar.FormatUSTAR
case 2:
hdr.Format = tar.FormatPAX
case 3:
hdr.Format = tar.FormatGNU
}
return nil
}
func setTarHeaderTypeflag(hdr *tar.Header, f *ConsumeFuzzer) error {
ind, err := f.GetInt()
if err != nil {
return err
}
switch ind % 13 {
case 0:
hdr.Typeflag = tar.TypeReg
case 1:
hdr.Typeflag = tar.TypeLink
linkname, err := f.GetString()
if err != nil {
return err
}
hdr.Linkname = linkname
case 2:
hdr.Typeflag = tar.TypeSymlink
linkname, err := f.GetString()
if err != nil {
return err
}
hdr.Linkname = linkname
case 3:
hdr.Typeflag = tar.TypeChar
case 4:
hdr.Typeflag = tar.TypeBlock
case 5:
hdr.Typeflag = tar.TypeDir
case 6:
hdr.Typeflag = tar.TypeFifo
case 7:
hdr.Typeflag = tar.TypeCont
case 8:
hdr.Typeflag = tar.TypeXHeader
case 9:
hdr.Typeflag = tar.TypeXGlobalHeader
case 10:
hdr.Typeflag = tar.TypeGNUSparse
case 11:
hdr.Typeflag = tar.TypeGNULongName
case 12:
hdr.Typeflag = tar.TypeGNULongLink
}
return nil
}
func tooSmallFileBody(length uint32) bool {
if length < 2 {
return true
}
if length < 4 {
return true
}
if length < 10 {
return true
}
if length < 100 {
return true
}
if length < 500 {
return true
}
if length < 1000 {
return true
}
if length < 2000 {
return true
}
if length < 4000 {
return true
}
if length < 8000 {
return true
}
if length < 16000 {
return true
}
if length < 32000 {
return true
}
if length < 64000 {
return true
}
if length < 128000 {
return true
}
if length < 264000 {
return true
}
return false
}
func (f *ConsumeFuzzer) createTarFileBody() ([]byte, error) {
length, err := f.GetUint32()
if err != nil {
return nil, errors.New("not enough bytes to create byte array")
}
shouldUseLargeFileBody, err := f.GetBool()
if err != nil {
return nil, errors.New("not enough bytes to check long file body")
}
if shouldUseLargeFileBody && tooSmallFileBody(length) {
return nil, errors.New("File body was too small")
}
// A bit of optimization to attempt to create a file body
// when we don't have as many bytes left as "length"
remainingBytes := f.dataTotal - f.position
if remainingBytes == 0 {
return nil, errors.New("created too large a string")
}
if f.position+length > MaxTotalLen {
return nil, errors.New("created too large a string")
}
byteBegin := f.position
if byteBegin >= f.dataTotal {
return nil, errors.New("not enough bytes to create byte array")
}
if length == 0 {
return nil, errors.New("zero-length is not supported")
}
if byteBegin+length >= f.dataTotal {
return nil, errors.New("not enough bytes to create byte array")
}
if byteBegin+length < byteBegin {
return nil, errors.New("numbers overflow")
}
f.position = byteBegin + length
return f.data[byteBegin:f.position], nil
}
// getTarFileName is similar to GetString(), but creates string based
// on the length of f.data to reduce the likelihood of overflowing
// f.data.
func (f *ConsumeFuzzer) getTarFilename() (string, error) {
length, err := f.GetUint32()
if err != nil {
return "nil", errors.New("not enough bytes to create string")
}
// A bit of optimization to attempt to create a file name
// when we don't have as many bytes left as "length"
remainingBytes := f.dataTotal - f.position
if remainingBytes == 0 {
return "nil", errors.New("created too large a string")
}
if remainingBytes < 50 {
length = length % remainingBytes
} else if f.dataTotal < 500 {
length = length % f.dataTotal
}
if f.position > MaxTotalLen {
return "nil", errors.New("created too large a string")
}
byteBegin := f.position
if byteBegin >= f.dataTotal {
return "nil", errors.New("not enough bytes to create string")
}
if byteBegin+length > f.dataTotal {
return "nil", errors.New("not enough bytes to create string")
}
if byteBegin > byteBegin+length {
return "nil", errors.New("numbers overflow")
}
f.position = byteBegin + length
return string(f.data[byteBegin:f.position]), nil
}
// TarBytes returns valid bytes for a tar archive
func (f *ConsumeFuzzer) TarBytes() ([]byte, error) {
numberOfFiles, err := f.GetInt()
if err != nil {
return nil, err
}
var buf bytes.Buffer
tw := tar.NewWriter(&buf)
defer tw.Close()
const maxNoOfFiles = 1000
for i := 0; i < numberOfFiles%maxNoOfFiles; i++ {
filename, err := f.getTarFilename()
if err != nil {
return returnTarBytes(buf.Bytes())
}
filebody, err := f.createTarFileBody()
if err != nil {
return returnTarBytes(buf.Bytes())
}
sec, err := f.GetInt()
if err != nil {
return returnTarBytes(buf.Bytes())
}
nsec, err := f.GetInt()
if err != nil {
return returnTarBytes(buf.Bytes())
}
hdr := &tar.Header{
Name: filename,
Size: int64(len(filebody)),
Mode: 0o600,
ModTime: time.Unix(int64(sec), int64(nsec)),
}
if err := setTarHeaderTypeflag(hdr, f); err != nil {
return returnTarBytes(buf.Bytes())
}
if err := setTarHeaderFormat(hdr, f); err != nil {
return returnTarBytes(buf.Bytes())
}
if err := tw.WriteHeader(hdr); err != nil {
return returnTarBytes(buf.Bytes())
}
if _, err := tw.Write(filebody); err != nil {
return returnTarBytes(buf.Bytes())
}
}
return buf.Bytes(), nil
}
// CreateFiles creates pseudo-random files in rootDir.
// It creates subdirs and places the files there.
// It is the callers responsibility to ensure that
// rootDir exists.
func (f *ConsumeFuzzer) CreateFiles(rootDir string) error {
numberOfFiles, err := f.GetInt()
if err != nil {
return err
}
maxNumberOfFiles := numberOfFiles % 4000 // This is completely arbitrary
if maxNumberOfFiles == 0 {
return errors.New("maxNumberOfFiles is nil")
}
var noOfCreatedFiles int
for i := 0; i < maxNumberOfFiles; i++ {
// The file to create:
fileName, err := f.GetString()
if err != nil {
if noOfCreatedFiles > 0 {
// If files have been created, we don't return an error.
break
} else {
return errors.New("could not get fileName")
}
}
fullFilePath, err := securejoin.SecureJoin(rootDir, fileName)
if err != nil {
return err
}
// Find the subdirectory of the file
if subDir := filepath.Dir(fileName); subDir != "" && subDir != "." {
// create the dir first; avoid going outside the root dir
if strings.Contains(subDir, "../") || (len(subDir) > 0 && subDir[0] == 47) || strings.Contains(subDir, "\\") {
continue
}
dirPath, err := securejoin.SecureJoin(rootDir, subDir)
if err != nil {
continue
}
if _, err := os.Stat(dirPath); os.IsNotExist(err) {
err2 := os.MkdirAll(dirPath, 0o777)
if err2 != nil {
continue
}
}
fullFilePath, err = securejoin.SecureJoin(dirPath, fileName)
if err != nil {
continue
}
} else {
// Create symlink
createSymlink, err := f.GetBool()
if err != nil {
if noOfCreatedFiles > 0 {
break
} else {
return errors.New("could not create the symlink")
}
}
if createSymlink {
symlinkTarget, err := f.GetString()
if err != nil {
return err
}
err = os.Symlink(symlinkTarget, fullFilePath)
if err != nil {
return err
}
// stop loop here, since a symlink needs no further action
noOfCreatedFiles++
continue
}
// We create a normal file
fileContents, err := f.GetBytes()
if err != nil {
if noOfCreatedFiles > 0 {
break
} else {
return errors.New("could not create the file")
}
}
err = os.WriteFile(fullFilePath, fileContents, 0o666)
if err != nil {
continue
}
noOfCreatedFiles++
}
}
return nil
}
// GetStringFrom returns a string that can only consist of characters
// included in possibleChars. It returns an error if the created string
// does not have the specified length.
func (f *ConsumeFuzzer) GetStringFrom(possibleChars string, length int) (string, error) {
if (f.dataTotal - f.position) < uint32(length) {
return "", errors.New("not enough bytes to create a string")
}
output := make([]byte, 0, length)
for i := 0; i < length; i++ {
charIndex, err := f.GetInt()
if err != nil {
return string(output), err
}
output = append(output, possibleChars[charIndex%len(possibleChars)])
}
return string(output), nil
}
func (f *ConsumeFuzzer) GetRune() ([]rune, error) {
stringToConvert, err := f.GetString()
if err != nil {
return []rune("nil"), err
}
return []rune(stringToConvert), nil
}
func (f *ConsumeFuzzer) GetFloat32() (float32, error) {
u32, err := f.GetNBytes(4)
if err != nil {
return 0, err
}
littleEndian, err := f.GetBool()
if err != nil {
return 0, err
}
if littleEndian {
u32LE := binary.LittleEndian.Uint32(u32)
return math.Float32frombits(u32LE), nil
}
u32BE := binary.BigEndian.Uint32(u32)
return math.Float32frombits(u32BE), nil
}
func (f *ConsumeFuzzer) GetFloat64() (float64, error) {
u64, err := f.GetNBytes(8)
if err != nil {
return 0, err
}
littleEndian, err := f.GetBool()
if err != nil {
return 0, err
}
if littleEndian {
u64LE := binary.LittleEndian.Uint64(u64)
return math.Float64frombits(u64LE), nil
}
u64BE := binary.BigEndian.Uint64(u64)
return math.Float64frombits(u64BE), nil
}
func (f *ConsumeFuzzer) CreateSlice(targetSlice interface{}) error {
return f.GenerateStruct(targetSlice)
}

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// Copyright 2023 The go-fuzz-headers Authors.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package gofuzzheaders
import (
"fmt"
"reflect"
)
type Continue struct {
F *ConsumeFuzzer
}
func (f *ConsumeFuzzer) AddFuncs(fuzzFuncs []interface{}) {
for i := range fuzzFuncs {
v := reflect.ValueOf(fuzzFuncs[i])
if v.Kind() != reflect.Func {
panic("Need only funcs!")
}
t := v.Type()
if t.NumIn() != 2 || t.NumOut() != 1 {
fmt.Println(t.NumIn(), t.NumOut())
panic("Need 2 in and 1 out params. In must be the type. Out must be an error")
}
argT := t.In(0)
switch argT.Kind() {
case reflect.Ptr, reflect.Map:
default:
panic("fuzzFunc must take pointer or map type")
}
if t.In(1) != reflect.TypeOf(Continue{}) {
panic("fuzzFunc's second parameter must be type Continue")
}
f.Funcs[argT] = v
}
}
func (f *ConsumeFuzzer) GenerateWithCustom(targetStruct interface{}) error {
e := reflect.ValueOf(targetStruct).Elem()
return f.fuzzStruct(e, true)
}
func (c Continue) GenerateStruct(targetStruct interface{}) error {
return c.F.GenerateStruct(targetStruct)
}
func (c Continue) GenerateStructWithCustom(targetStruct interface{}) error {
return c.F.GenerateWithCustom(targetStruct)
}

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@ -1,556 +0,0 @@
// Copyright 2023 The go-fuzz-headers Authors.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package gofuzzheaders
import (
"fmt"
"strings"
)
// returns a keyword by index
func getKeyword(f *ConsumeFuzzer) (string, error) {
index, err := f.GetInt()
if err != nil {
return keywords[0], err
}
for i, k := range keywords {
if i == index {
return k, nil
}
}
return keywords[0], fmt.Errorf("could not get a kw")
}
// Simple utility function to check if a string
// slice contains a string.
func containsString(s []string, e string) bool {
for _, a := range s {
if a == e {
return true
}
}
return false
}
// These keywords are used specifically for fuzzing Vitess
var keywords = []string{
"accessible", "action", "add", "after", "against", "algorithm",
"all", "alter", "always", "analyze", "and", "as", "asc", "asensitive",
"auto_increment", "avg_row_length", "before", "begin", "between",
"bigint", "binary", "_binary", "_utf8mb4", "_utf8", "_latin1", "bit",
"blob", "bool", "boolean", "both", "by", "call", "cancel", "cascade",
"cascaded", "case", "cast", "channel", "change", "char", "character",
"charset", "check", "checksum", "coalesce", "code", "collate", "collation",
"column", "columns", "comment", "committed", "commit", "compact", "complete",
"compressed", "compression", "condition", "connection", "constraint", "continue",
"convert", "copy", "cume_dist", "substr", "substring", "create", "cross",
"csv", "current_date", "current_time", "current_timestamp", "current_user",
"cursor", "data", "database", "databases", "day", "day_hour", "day_microsecond",
"day_minute", "day_second", "date", "datetime", "dec", "decimal", "declare",
"default", "definer", "delay_key_write", "delayed", "delete", "dense_rank",
"desc", "describe", "deterministic", "directory", "disable", "discard",
"disk", "distinct", "distinctrow", "div", "double", "do", "drop", "dumpfile",
"duplicate", "dynamic", "each", "else", "elseif", "empty", "enable",
"enclosed", "encryption", "end", "enforced", "engine", "engines", "enum",
"error", "escape", "escaped", "event", "exchange", "exclusive", "exists",
"exit", "explain", "expansion", "export", "extended", "extract", "false",
"fetch", "fields", "first", "first_value", "fixed", "float", "float4",
"float8", "flush", "for", "force", "foreign", "format", "from", "full",
"fulltext", "function", "general", "generated", "geometry", "geometrycollection",
"get", "global", "gtid_executed", "grant", "group", "grouping", "groups",
"group_concat", "having", "header", "high_priority", "hosts", "hour", "hour_microsecond",
"hour_minute", "hour_second", "if", "ignore", "import", "in", "index", "indexes",
"infile", "inout", "inner", "inplace", "insensitive", "insert", "insert_method",
"int", "int1", "int2", "int3", "int4", "int8", "integer", "interval",
"into", "io_after_gtids", "is", "isolation", "iterate", "invoker", "join",
"json", "json_table", "key", "keys", "keyspaces", "key_block_size", "kill", "lag",
"language", "last", "last_value", "last_insert_id", "lateral", "lead", "leading",
"leave", "left", "less", "level", "like", "limit", "linear", "lines",
"linestring", "load", "local", "localtime", "localtimestamp", "lock", "logs",
"long", "longblob", "longtext", "loop", "low_priority", "manifest",
"master_bind", "match", "max_rows", "maxvalue", "mediumblob", "mediumint",
"mediumtext", "memory", "merge", "microsecond", "middleint", "min_rows", "minute",
"minute_microsecond", "minute_second", "mod", "mode", "modify", "modifies",
"multilinestring", "multipoint", "multipolygon", "month", "name",
"names", "natural", "nchar", "next", "no", "none", "not", "no_write_to_binlog",
"nth_value", "ntile", "null", "numeric", "of", "off", "offset", "on",
"only", "open", "optimize", "optimizer_costs", "option", "optionally",
"or", "order", "out", "outer", "outfile", "over", "overwrite", "pack_keys",
"parser", "partition", "partitioning", "password", "percent_rank", "plugins",
"point", "polygon", "precision", "primary", "privileges", "processlist",
"procedure", "query", "quarter", "range", "rank", "read", "reads", "read_write",
"real", "rebuild", "recursive", "redundant", "references", "regexp", "relay",
"release", "remove", "rename", "reorganize", "repair", "repeat", "repeatable",
"replace", "require", "resignal", "restrict", "return", "retry", "revert",
"revoke", "right", "rlike", "rollback", "row", "row_format", "row_number",
"rows", "s3", "savepoint", "schema", "schemas", "second", "second_microsecond",
"security", "select", "sensitive", "separator", "sequence", "serializable",
"session", "set", "share", "shared", "show", "signal", "signed", "slow",
"smallint", "spatial", "specific", "sql", "sqlexception", "sqlstate",
"sqlwarning", "sql_big_result", "sql_cache", "sql_calc_found_rows",
"sql_no_cache", "sql_small_result", "ssl", "start", "starting",
"stats_auto_recalc", "stats_persistent", "stats_sample_pages", "status",
"storage", "stored", "straight_join", "stream", "system", "vstream",
"table", "tables", "tablespace", "temporary", "temptable", "terminated",
"text", "than", "then", "time", "timestamp", "timestampadd", "timestampdiff",
"tinyblob", "tinyint", "tinytext", "to", "trailing", "transaction", "tree",
"traditional", "trigger", "triggers", "true", "truncate", "uncommitted",
"undefined", "undo", "union", "unique", "unlock", "unsigned", "update",
"upgrade", "usage", "use", "user", "user_resources", "using", "utc_date",
"utc_time", "utc_timestamp", "validation", "values", "variables", "varbinary",
"varchar", "varcharacter", "varying", "vgtid_executed", "virtual", "vindex",
"vindexes", "view", "vitess", "vitess_keyspaces", "vitess_metadata",
"vitess_migration", "vitess_migrations", "vitess_replication_status",
"vitess_shards", "vitess_tablets", "vschema", "warnings", "when",
"where", "while", "window", "with", "without", "work", "write", "xor",
"year", "year_month", "zerofill",
}
// Keywords that could get an additional keyword
var needCustomString = []string{
"DISTINCTROW", "FROM", // Select keywords:
"GROUP BY", "HAVING", "WINDOW",
"FOR",
"ORDER BY", "LIMIT",
"INTO", "PARTITION", "AS", // Insert Keywords:
"ON DUPLICATE KEY UPDATE",
"WHERE", "LIMIT", // Delete keywords
"INFILE", "INTO TABLE", "CHARACTER SET", // Load keywords
"TERMINATED BY", "ENCLOSED BY",
"ESCAPED BY", "STARTING BY",
"TERMINATED BY", "STARTING BY",
"IGNORE",
"VALUE", "VALUES", // Replace tokens
"SET", // Update tokens
"ENGINE =", // Drop tokens
"DEFINER =", "ON SCHEDULE", "RENAME TO", // Alter tokens
"COMMENT", "DO", "INITIAL_SIZE = ", "OPTIONS",
}
var alterTableTokens = [][]string{
{"CUSTOM_FUZZ_STRING"},
{"CUSTOM_ALTTER_TABLE_OPTIONS"},
{"PARTITION_OPTIONS_FOR_ALTER_TABLE"},
}
var alterTokens = [][]string{
{
"DATABASE", "SCHEMA", "DEFINER = ", "EVENT", "FUNCTION", "INSTANCE",
"LOGFILE GROUP", "PROCEDURE", "SERVER",
},
{"CUSTOM_FUZZ_STRING"},
{
"ON SCHEDULE", "ON COMPLETION PRESERVE", "ON COMPLETION NOT PRESERVE",
"ADD UNDOFILE", "OPTIONS",
},
{"RENAME TO", "INITIAL_SIZE = "},
{"ENABLE", "DISABLE", "DISABLE ON SLAVE", "ENGINE"},
{"COMMENT"},
{"DO"},
}
var setTokens = [][]string{
{"CHARACTER SET", "CHARSET", "CUSTOM_FUZZ_STRING", "NAMES"},
{"CUSTOM_FUZZ_STRING", "DEFAULT", "="},
{"CUSTOM_FUZZ_STRING"},
}
var dropTokens = [][]string{
{"TEMPORARY", "UNDO"},
{
"DATABASE", "SCHEMA", "EVENT", "INDEX", "LOGFILE GROUP",
"PROCEDURE", "FUNCTION", "SERVER", "SPATIAL REFERENCE SYSTEM",
"TABLE", "TABLESPACE", "TRIGGER", "VIEW",
},
{"IF EXISTS"},
{"CUSTOM_FUZZ_STRING"},
{"ON", "ENGINE = ", "RESTRICT", "CASCADE"},
}
var renameTokens = [][]string{
{"TABLE"},
{"CUSTOM_FUZZ_STRING"},
{"TO"},
{"CUSTOM_FUZZ_STRING"},
}
var truncateTokens = [][]string{
{"TABLE"},
{"CUSTOM_FUZZ_STRING"},
}
var createTokens = [][]string{
{"OR REPLACE", "TEMPORARY", "UNDO"}, // For create spatial reference system
{
"UNIQUE", "FULLTEXT", "SPATIAL", "ALGORITHM = UNDEFINED", "ALGORITHM = MERGE",
"ALGORITHM = TEMPTABLE",
},
{
"DATABASE", "SCHEMA", "EVENT", "FUNCTION", "INDEX", "LOGFILE GROUP",
"PROCEDURE", "SERVER", "SPATIAL REFERENCE SYSTEM", "TABLE", "TABLESPACE",
"TRIGGER", "VIEW",
},
{"IF NOT EXISTS"},
{"CUSTOM_FUZZ_STRING"},
}
/*
// For future use.
var updateTokens = [][]string{
{"LOW_PRIORITY"},
{"IGNORE"},
{"SET"},
{"WHERE"},
{"ORDER BY"},
{"LIMIT"},
}
*/
var replaceTokens = [][]string{
{"LOW_PRIORITY", "DELAYED"},
{"INTO"},
{"PARTITION"},
{"CUSTOM_FUZZ_STRING"},
{"VALUES", "VALUE"},
}
var loadTokens = [][]string{
{"DATA"},
{"LOW_PRIORITY", "CONCURRENT", "LOCAL"},
{"INFILE"},
{"REPLACE", "IGNORE"},
{"INTO TABLE"},
{"PARTITION"},
{"CHARACTER SET"},
{"FIELDS", "COLUMNS"},
{"TERMINATED BY"},
{"OPTIONALLY"},
{"ENCLOSED BY"},
{"ESCAPED BY"},
{"LINES"},
{"STARTING BY"},
{"TERMINATED BY"},
{"IGNORE"},
{"LINES", "ROWS"},
{"CUSTOM_FUZZ_STRING"},
}
// These Are everything that comes after "INSERT"
var insertTokens = [][]string{
{"LOW_PRIORITY", "DELAYED", "HIGH_PRIORITY", "IGNORE"},
{"INTO"},
{"PARTITION"},
{"CUSTOM_FUZZ_STRING"},
{"AS"},
{"ON DUPLICATE KEY UPDATE"},
}
// These are everything that comes after "SELECT"
var selectTokens = [][]string{
{"*", "CUSTOM_FUZZ_STRING", "DISTINCTROW"},
{"HIGH_PRIORITY"},
{"STRAIGHT_JOIN"},
{"SQL_SMALL_RESULT", "SQL_BIG_RESULT", "SQL_BUFFER_RESULT"},
{"SQL_NO_CACHE", "SQL_CALC_FOUND_ROWS"},
{"CUSTOM_FUZZ_STRING"},
{"FROM"},
{"WHERE"},
{"GROUP BY"},
{"HAVING"},
{"WINDOW"},
{"ORDER BY"},
{"LIMIT"},
{"CUSTOM_FUZZ_STRING"},
{"FOR"},
}
// These are everything that comes after "DELETE"
var deleteTokens = [][]string{
{"LOW_PRIORITY", "QUICK", "IGNORE", "FROM", "AS"},
{"PARTITION"},
{"WHERE"},
{"ORDER BY"},
{"LIMIT"},
}
var alter_table_options = []string{
"ADD", "COLUMN", "FIRST", "AFTER", "INDEX", "KEY", "FULLTEXT", "SPATIAL",
"CONSTRAINT", "UNIQUE", "FOREIGN KEY", "CHECK", "ENFORCED", "DROP", "ALTER",
"NOT", "INPLACE", "COPY", "SET", "VISIBLE", "INVISIBLE", "DEFAULT", "CHANGE",
"CHARACTER SET", "COLLATE", "DISABLE", "ENABLE", "KEYS", "TABLESPACE", "LOCK",
"FORCE", "MODIFY", "SHARED", "EXCLUSIVE", "NONE", "ORDER BY", "RENAME COLUMN",
"AS", "=", "ASC", "DESC", "WITH", "WITHOUT", "VALIDATION", "ADD PARTITION",
"DROP PARTITION", "DISCARD PARTITION", "IMPORT PARTITION", "TRUNCATE PARTITION",
"COALESCE PARTITION", "REORGANIZE PARTITION", "EXCHANGE PARTITION",
"ANALYZE PARTITION", "CHECK PARTITION", "OPTIMIZE PARTITION", "REBUILD PARTITION",
"REPAIR PARTITION", "REMOVE PARTITIONING", "USING", "BTREE", "HASH", "COMMENT",
"KEY_BLOCK_SIZE", "WITH PARSER", "AUTOEXTEND_SIZE", "AUTO_INCREMENT", "AVG_ROW_LENGTH",
"CHECKSUM", "INSERT_METHOD", "ROW_FORMAT", "DYNAMIC", "FIXED", "COMPRESSED", "REDUNDANT",
"COMPACT", "SECONDARY_ENGINE_ATTRIBUTE", "STATS_AUTO_RECALC", "STATS_PERSISTENT",
"STATS_SAMPLE_PAGES", "ZLIB", "LZ4", "ENGINE_ATTRIBUTE", "KEY_BLOCK_SIZE", "MAX_ROWS",
"MIN_ROWS", "PACK_KEYS", "PASSWORD", "COMPRESSION", "CONNECTION", "DIRECTORY",
"DELAY_KEY_WRITE", "ENCRYPTION", "STORAGE", "DISK", "MEMORY", "UNION",
}
// Creates an 'alter table' statement. 'alter table' is an exception
// in that it has its own function. The majority of statements
// are created by 'createStmt()'.
func createAlterTableStmt(f *ConsumeFuzzer) (string, error) {
maxArgs, err := f.GetInt()
if err != nil {
return "", err
}
maxArgs = maxArgs % 30
if maxArgs == 0 {
return "", fmt.Errorf("could not create alter table stmt")
}
var stmt strings.Builder
stmt.WriteString("ALTER TABLE ")
for i := 0; i < maxArgs; i++ {
// Calculate if we get existing token or custom string
tokenType, err := f.GetInt()
if err != nil {
return "", err
}
if tokenType%4 == 1 {
customString, err := f.GetString()
if err != nil {
return "", err
}
stmt.WriteString(" " + customString)
} else {
tokenIndex, err := f.GetInt()
if err != nil {
return "", err
}
stmt.WriteString(" " + alter_table_options[tokenIndex%len(alter_table_options)])
}
}
return stmt.String(), nil
}
func chooseToken(tokens []string, f *ConsumeFuzzer) (string, error) {
index, err := f.GetInt()
if err != nil {
return "", err
}
var token strings.Builder
token.WriteString(tokens[index%len(tokens)])
if token.String() == "CUSTOM_FUZZ_STRING" {
customFuzzString, err := f.GetString()
if err != nil {
return "", err
}
return customFuzzString, nil
}
// Check if token requires an argument
if containsString(needCustomString, token.String()) {
customFuzzString, err := f.GetString()
if err != nil {
return "", err
}
token.WriteString(" " + customFuzzString)
}
return token.String(), nil
}
var stmtTypes = map[string][][]string{
"DELETE": deleteTokens,
"INSERT": insertTokens,
"SELECT": selectTokens,
"LOAD": loadTokens,
"REPLACE": replaceTokens,
"CREATE": createTokens,
"DROP": dropTokens,
"RENAME": renameTokens,
"TRUNCATE": truncateTokens,
"SET": setTokens,
"ALTER": alterTokens,
"ALTER TABLE": alterTableTokens, // ALTER TABLE has its own set of tokens
}
var stmtTypeEnum = map[int]string{
0: "DELETE",
1: "INSERT",
2: "SELECT",
3: "LOAD",
4: "REPLACE",
5: "CREATE",
6: "DROP",
7: "RENAME",
8: "TRUNCATE",
9: "SET",
10: "ALTER",
11: "ALTER TABLE",
}
func createStmt(f *ConsumeFuzzer) (string, error) {
stmtIndex, err := f.GetInt()
if err != nil {
return "", err
}
stmtIndex = stmtIndex % len(stmtTypes)
queryType := stmtTypeEnum[stmtIndex]
tokens := stmtTypes[queryType]
// We have custom creator for ALTER TABLE
if queryType == "ALTER TABLE" {
query, err := createAlterTableStmt(f)
if err != nil {
return "", err
}
return query, nil
}
// Here we are creating a query that is not
// an 'alter table' query. For available
// queries, see "stmtTypes"
// First specify the first query keyword:
var query strings.Builder
query.WriteString(queryType)
// Next create the args for the
queryArgs, err := createStmtArgs(tokens, f)
if err != nil {
return "", err
}
query.WriteString(" " + queryArgs)
return query.String(), nil
}
// Creates the arguments of a statements. In a select statement
// that would be everything after "select".
func createStmtArgs(tokenslice [][]string, f *ConsumeFuzzer) (string, error) {
var query, token strings.Builder
// We go through the tokens in the tokenslice,
// create the respective token and add it to
// "query"
for _, tokens := range tokenslice {
// For extra randomization, the fuzzer can
// choose to not include this token.
includeThisToken, err := f.GetBool()
if err != nil {
return "", err
}
if !includeThisToken {
continue
}
// There may be several tokens to choose from:
if len(tokens) > 1 {
chosenToken, err := chooseToken(tokens, f)
if err != nil {
return "", err
}
query.WriteString(" " + chosenToken)
} else {
token.WriteString(tokens[0])
// In case the token is "CUSTOM_FUZZ_STRING"
// we will then create a non-structured string
if token.String() == "CUSTOM_FUZZ_STRING" {
customFuzzString, err := f.GetString()
if err != nil {
return "", err
}
query.WriteString(" " + customFuzzString)
continue
}
// Check if token requires an argument.
// Tokens that take an argument can be found
// in 'needCustomString'. If so, we add a
// non-structured string to the token.
if containsString(needCustomString, token.String()) {
customFuzzString, err := f.GetString()
if err != nil {
return "", err
}
token.WriteString(fmt.Sprintf(" %s", customFuzzString))
}
query.WriteString(fmt.Sprintf(" %s", token.String()))
}
}
return query.String(), nil
}
// Creates a semi-structured query. It creates a string
// that is a combination of the keywords and random strings.
func createQuery(f *ConsumeFuzzer) (string, error) {
queryLen, err := f.GetInt()
if err != nil {
return "", err
}
maxLen := queryLen % 60
if maxLen == 0 {
return "", fmt.Errorf("could not create a query")
}
var query strings.Builder
for i := 0; i < maxLen; i++ {
// Get a new token:
useKeyword, err := f.GetBool()
if err != nil {
return "", err
}
if useKeyword {
keyword, err := getKeyword(f)
if err != nil {
return "", err
}
query.WriteString(" " + keyword)
} else {
customString, err := f.GetString()
if err != nil {
return "", err
}
query.WriteString(" " + customString)
}
}
if query.String() == "" {
return "", fmt.Errorf("could not create a query")
}
return query.String(), nil
}
// GetSQLString is the API that users interact with.
//
// Usage:
//
// f := NewConsumer(data)
// sqlString, err := f.GetSQLString()
func (f *ConsumeFuzzer) GetSQLString() (string, error) {
var query string
veryStructured, err := f.GetBool()
if err != nil {
return "", err
}
if veryStructured {
query, err = createStmt(f)
if err != nil {
return "", err
}
} else {
query, err = createQuery(f)
if err != nil {
return "", err
}
}
return query, nil
}

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@ -1,207 +0,0 @@
package testing
import (
"fmt"
fuzz "github.com/AdaLogics/go-fuzz-headers"
"os"
"reflect"
)
type F struct {
Data []byte
T *T
FuzzFunc func(*T, any)
}
func (f *F) CleanupTempDirs() {
f.T.CleanupTempDirs()
}
func (f *F) Add(args ...any) {}
func (c *F) Cleanup(f func()) {}
func (c *F) Error(args ...any) {}
func (c *F) Errorf(format string, args ...any) {}
func (f *F) Fail() {}
func (c *F) FailNow() {}
func (c *F) Failed() bool { return false }
func (c *F) Fatal(args ...any) {}
func (c *F) Fatalf(format string, args ...any) {}
func (f *F) Fuzz(ff any) {
// we are assuming that ff is a func.
// TODO: Add a check for UX purposes
fn := reflect.ValueOf(ff)
fnType := fn.Type()
var types []reflect.Type
for i := 1; i < fnType.NumIn(); i++ {
t := fnType.In(i)
types = append(types, t)
}
args := []reflect.Value{reflect.ValueOf(f.T)}
fuzzConsumer := fuzz.NewConsumer(f.Data)
for _, v := range types {
switch v.String() {
case "[]uint8":
b, err := fuzzConsumer.GetBytes()
if err != nil {
return
}
newBytes := reflect.New(v)
newBytes.Elem().SetBytes(b)
args = append(args, newBytes.Elem())
case "string":
s, err := fuzzConsumer.GetString()
if err != nil {
return
}
newString := reflect.New(v)
newString.Elem().SetString(s)
args = append(args, newString.Elem())
case "int":
randInt, err := fuzzConsumer.GetInt()
if err != nil {
return
}
newInt := reflect.New(v)
newInt.Elem().SetInt(int64(randInt))
args = append(args, newInt.Elem())
case "int8":
randInt, err := fuzzConsumer.GetInt()
if err != nil {
return
}
newInt := reflect.New(v)
newInt.Elem().SetInt(int64(randInt))
args = append(args, newInt.Elem())
case "int16":
randInt, err := fuzzConsumer.GetInt()
if err != nil {
return
}
newInt := reflect.New(v)
newInt.Elem().SetInt(int64(randInt))
args = append(args, newInt.Elem())
case "int32":
randInt, err := fuzzConsumer.GetInt()
if err != nil {
return
}
newInt := reflect.New(v)
newInt.Elem().SetInt(int64(randInt))
args = append(args, newInt.Elem())
case "int64":
randInt, err := fuzzConsumer.GetInt()
if err != nil {
return
}
newInt := reflect.New(v)
newInt.Elem().SetInt(int64(randInt))
args = append(args, newInt.Elem())
case "uint":
randInt, err := fuzzConsumer.GetInt()
if err != nil {
return
}
newUint := reflect.New(v)
newUint.Elem().SetUint(uint64(randInt))
args = append(args, newUint.Elem())
case "uint8":
randInt, err := fuzzConsumer.GetInt()
if err != nil {
return
}
newUint := reflect.New(v)
newUint.Elem().SetUint(uint64(randInt))
args = append(args, newUint.Elem())
case "uint16":
randInt, err := fuzzConsumer.GetUint16()
if err != nil {
return
}
newUint16 := reflect.New(v)
newUint16.Elem().SetUint(uint64(randInt))
args = append(args, newUint16.Elem())
case "uint32":
randInt, err := fuzzConsumer.GetUint32()
if err != nil {
return
}
newUint32 := reflect.New(v)
newUint32.Elem().SetUint(uint64(randInt))
args = append(args, newUint32.Elem())
case "uint64":
randInt, err := fuzzConsumer.GetUint64()
if err != nil {
return
}
newUint64 := reflect.New(v)
newUint64.Elem().SetUint(uint64(randInt))
args = append(args, newUint64.Elem())
case "rune":
randRune, err := fuzzConsumer.GetRune()
if err != nil {
return
}
newRune := reflect.New(v)
newRune.Elem().Set(reflect.ValueOf(randRune))
args = append(args, newRune.Elem())
case "float32":
randFloat, err := fuzzConsumer.GetFloat32()
if err != nil {
return
}
newFloat := reflect.New(v)
newFloat.Elem().Set(reflect.ValueOf(randFloat))
args = append(args, newFloat.Elem())
case "float64":
randFloat, err := fuzzConsumer.GetFloat64()
if err != nil {
return
}
newFloat := reflect.New(v)
newFloat.Elem().Set(reflect.ValueOf(randFloat))
args = append(args, newFloat.Elem())
case "bool":
randBool, err := fuzzConsumer.GetBool()
if err != nil {
return
}
newBool := reflect.New(v)
newBool.Elem().Set(reflect.ValueOf(randBool))
args = append(args, newBool.Elem())
default:
fmt.Println(v.String())
}
}
fn.Call(args)
}
func (f *F) Helper() {}
func (c *F) Log(args ...any) {
fmt.Println(args...)
}
func (c *F) Logf(format string, args ...any) {
fmt.Println(format, args)
}
func (c *F) Name() string { return "libFuzzer" }
func (c *F) Setenv(key, value string) {}
func (c *F) Skip(args ...any) {
panic("GO-FUZZ-BUILD-PANIC")
}
func (c *F) SkipNow() {
panic("GO-FUZZ-BUILD-PANIC")
}
func (c *F) Skipf(format string, args ...any) {
panic("GO-FUZZ-BUILD-PANIC")
}
func (f *F) Skipped() bool { return false }
func (f *F) TempDir() string {
dir, err := os.MkdirTemp("", "fuzzdir-")
if err != nil {
panic(err)
}
f.T.TempDirs = append(f.T.TempDirs, dir)
return dir
}

View File

@ -1,129 +0,0 @@
package testing
import (
"fmt"
"os"
"strings"
"time"
)
// T can be used to terminate the current fuzz iteration
// without terminating the whole fuzz run. To do so, simply
// panic with the text "GO-FUZZ-BUILD-PANIC" and the fuzzer
// will recover.
type T struct {
TempDirs []string
}
func NewT() *T {
tempDirs := make([]string, 0)
return &T{TempDirs: tempDirs}
}
func unsupportedApi(name string) string {
plsOpenIss := "Please open an issue https://github.com/AdamKorcz/go-118-fuzz-build if you need this feature."
var b strings.Builder
b.WriteString(fmt.Sprintf("%s is not supported when fuzzing in libFuzzer mode\n.", name))
b.WriteString(plsOpenIss)
return b.String()
}
func (t *T) Cleanup(f func()) {
f()
}
func (t *T) Deadline() (deadline time.Time, ok bool) {
panic(unsupportedApi("t.Deadline()"))
}
func (t *T) Error(args ...any) {
fmt.Println(args...)
panic("error")
}
func (t *T) Errorf(format string, args ...any) {
fmt.Printf(format+"\n", args...)
panic("errorf")
}
func (t *T) Fail() {
panic("Called T.Fail()")
}
func (t *T) FailNow() {
panic("Called T.Fail()")
panic(unsupportedApi("t.FailNow()"))
}
func (t *T) Failed() bool {
panic(unsupportedApi("t.Failed()"))
}
func (t *T) Fatal(args ...any) {
fmt.Println(args...)
panic("fatal")
}
func (t *T) Fatalf(format string, args ...any) {
fmt.Printf(format+"\n", args...)
panic("fatal")
}
func (t *T) Helper() {
// We can't support it, but it also just impacts how failures are reported, so we can ignore it
}
func (t *T) Log(args ...any) {
fmt.Println(args...)
}
func (t *T) Logf(format string, args ...any) {
fmt.Println(format)
fmt.Println(args...)
}
func (t *T) Name() string {
return "libFuzzer"
}
func (t *T) Parallel() {
panic(unsupportedApi("t.Parallel()"))
}
func (t *T) Run(name string, f func(t *T)) bool {
panic(unsupportedApi("t.Run()"))
}
func (t *T) Setenv(key, value string) {
}
func (t *T) Skip(args ...any) {
panic("GO-FUZZ-BUILD-PANIC")
}
func (t *T) SkipNow() {
panic("GO-FUZZ-BUILD-PANIC")
}
// Is not really supported. We just skip instead
// of printing any message. A log message can be
// added if need be.
func (t *T) Skipf(format string, args ...any) {
panic("GO-FUZZ-BUILD-PANIC")
}
func (t *T) Skipped() bool {
panic(unsupportedApi("t.Skipped()"))
}
func (t *T) TempDir() string {
dir, err := os.MkdirTemp("", "fuzzdir-")
if err != nil {
panic(err)
}
t.TempDirs = append(t.TempDirs, dir)
return dir
}
func (t *T) CleanupTempDirs() {
if len(t.TempDirs) > 0 {
for _, tempDir := range t.TempDirs {
os.RemoveAll(tempDir)
}
}
}

View File

@ -1,42 +0,0 @@
package testing
import (
"testing"
)
func AllocsPerRun(runs int, f func()) (avg float64) {
panic(unsupportedApi("testing.AllocsPerRun"))
}
func CoverMode() string {
panic(unsupportedApi("testing.CoverMode"))
}
func Coverage() float64 {
panic(unsupportedApi("testing.Coverage"))
}
func Init() {
panic(unsupportedApi("testing.Init"))
}
func RegisterCover(c testing.Cover) {
panic(unsupportedApi("testing.RegisterCover"))
}
func RunExamples(matchString func(pat, str string) (bool, error), examples []testing.InternalExample) (ok bool) {
panic(unsupportedApi("testing.RunExamples"))
}
func RunTests(matchString func(pat, str string) (bool, error), tests []testing.InternalTest) (ok bool) {
panic(unsupportedApi("testing.RunTests"))
}
func Short() bool {
return false
}
func Verbose() bool {
panic(unsupportedApi("testing.Verbose"))
}
type M struct {}
func (m *M) Run() (code int) {
panic("testing.M is not support in libFuzzer Mode")
}

View File

@ -1 +0,0 @@
* text=auto eol=lf

View File

@ -1,10 +1 @@
.vscode/
*.exe
# testing
testdata
# go workspaces
go.work
go.work.sum

View File

@ -1,149 +0,0 @@
run:
skip-dirs:
- pkg/etw/sample
linters:
enable:
# style
- containedctx # struct contains a context
- dupl # duplicate code
- errname # erorrs are named correctly
- nolintlint # "//nolint" directives are properly explained
- revive # golint replacement
- unconvert # unnecessary conversions
- wastedassign
# bugs, performance, unused, etc ...
- contextcheck # function uses a non-inherited context
- errorlint # errors not wrapped for 1.13
- exhaustive # check exhaustiveness of enum switch statements
- gofmt # files are gofmt'ed
- gosec # security
- nilerr # returns nil even with non-nil error
- unparam # unused function params
issues:
exclude-rules:
# err is very often shadowed in nested scopes
- linters:
- govet
text: '^shadow: declaration of "err" shadows declaration'
# ignore long lines for skip autogen directives
- linters:
- revive
text: "^line-length-limit: "
source: "^//(go:generate|sys) "
#TODO: remove after upgrading to go1.18
# ignore comment spacing for nolint and sys directives
- linters:
- revive
text: "^comment-spacings: no space between comment delimiter and comment text"
source: "//(cspell:|nolint:|sys |todo)"
# not on go 1.18 yet, so no any
- linters:
- revive
text: "^use-any: since GO 1.18 'interface{}' can be replaced by 'any'"
# allow unjustified ignores of error checks in defer statements
- linters:
- nolintlint
text: "^directive `//nolint:errcheck` should provide explanation"
source: '^\s*defer '
# allow unjustified ignores of error lints for io.EOF
- linters:
- nolintlint
text: "^directive `//nolint:errorlint` should provide explanation"
source: '[=|!]= io.EOF'
linters-settings:
exhaustive:
default-signifies-exhaustive: true
govet:
enable-all: true
disable:
# struct order is often for Win32 compat
# also, ignore pointer bytes/GC issues for now until performance becomes an issue
- fieldalignment
check-shadowing: true
nolintlint:
allow-leading-space: false
require-explanation: true
require-specific: true
revive:
# revive is more configurable than static check, so likely the preferred alternative to static-check
# (once the perf issue is solved: https://github.com/golangci/golangci-lint/issues/2997)
enable-all-rules:
true
# https://github.com/mgechev/revive/blob/master/RULES_DESCRIPTIONS.md
rules:
# rules with required arguments
- name: argument-limit
disabled: true
- name: banned-characters
disabled: true
- name: cognitive-complexity
disabled: true
- name: cyclomatic
disabled: true
- name: file-header
disabled: true
- name: function-length
disabled: true
- name: function-result-limit
disabled: true
- name: max-public-structs
disabled: true
# geneally annoying rules
- name: add-constant # complains about any and all strings and integers
disabled: true
- name: confusing-naming # we frequently use "Foo()" and "foo()" together
disabled: true
- name: flag-parameter # excessive, and a common idiom we use
disabled: true
- name: unhandled-error # warns over common fmt.Print* and io.Close; rely on errcheck instead
disabled: true
# general config
- name: line-length-limit
arguments:
- 140
- name: var-naming
arguments:
- []
- - CID
- CRI
- CTRD
- DACL
- DLL
- DOS
- ETW
- FSCTL
- GCS
- GMSA
- HCS
- HV
- IO
- LCOW
- LDAP
- LPAC
- LTSC
- MMIO
- NT
- OCI
- PMEM
- PWSH
- RX
- SACl
- SID
- SMB
- TX
- VHD
- VHDX
- VMID
- VPCI
- WCOW
- WIM

View File

@ -1 +0,0 @@
* @microsoft/containerplat

View File

@ -1,4 +1,4 @@
# go-winio [![Build Status](https://github.com/microsoft/go-winio/actions/workflows/ci.yml/badge.svg)](https://github.com/microsoft/go-winio/actions/workflows/ci.yml)
# go-winio
This repository contains utilities for efficiently performing Win32 IO operations in
Go. Currently, this is focused on accessing named pipes and other file handles, and
@ -11,79 +11,12 @@ package.
Please see the LICENSE file for licensing information.
## Contributing
This project has adopted the [Microsoft Open Source Code of
Conduct](https://opensource.microsoft.com/codeofconduct/). For more information
see the [Code of Conduct
FAQ](https://opensource.microsoft.com/codeofconduct/faq/) or contact
[opencode@microsoft.com](mailto:opencode@microsoft.com) with any additional
questions or comments.
This project welcomes contributions and suggestions.
Most contributions require you to agree to a Contributor License Agreement (CLA) declaring that
you have the right to, and actually do, grant us the rights to use your contribution.
For details, visit [Microsoft CLA](https://cla.microsoft.com).
When you submit a pull request, a CLA-bot will automatically determine whether you need to
provide a CLA and decorate the PR appropriately (e.g., label, comment).
Simply follow the instructions provided by the bot.
You will only need to do this once across all repos using our CLA.
Additionally, the pull request pipeline requires the following steps to be performed before
mergining.
### Code Sign-Off
We require that contributors sign their commits using [`git commit --signoff`][git-commit-s]
to certify they either authored the work themselves or otherwise have permission to use it in this project.
A range of commits can be signed off using [`git rebase --signoff`][git-rebase-s].
Please see [the developer certificate](https://developercertificate.org) for more info,
as well as to make sure that you can attest to the rules listed.
Our CI uses the DCO Github app to ensure that all commits in a given PR are signed-off.
### Linting
Code must pass a linting stage, which uses [`golangci-lint`][lint].
The linting settings are stored in [`.golangci.yaml`](./.golangci.yaml), and can be run
automatically with VSCode by adding the following to your workspace or folder settings:
```json
"go.lintTool": "golangci-lint",
"go.lintOnSave": "package",
```
Additional editor [integrations options are also available][lint-ide].
Alternatively, `golangci-lint` can be [installed locally][lint-install] and run from the repo root:
```shell
# use . or specify a path to only lint a package
# to show all lint errors, use flags "--max-issues-per-linter=0 --max-same-issues=0"
> golangci-lint run ./...
```
### Go Generate
The pipeline checks that auto-generated code, via `go generate`, are up to date.
This can be done for the entire repo:
```shell
> go generate ./...
```
## Code of Conduct
This project has adopted the [Microsoft Open Source Code of Conduct](https://opensource.microsoft.com/codeofconduct/).
For more information see the [Code of Conduct FAQ](https://opensource.microsoft.com/codeofconduct/faq/) or
contact [opencode@microsoft.com](mailto:opencode@microsoft.com) with any additional questions or comments.
## Special Thanks
Thanks to [natefinch][natefinch] for the inspiration for this library.
See [npipe](https://github.com/natefinch/npipe) for another named pipe implementation.
[lint]: https://golangci-lint.run/
[lint-ide]: https://golangci-lint.run/usage/integrations/#editor-integration
[lint-install]: https://golangci-lint.run/usage/install/#local-installation
[git-commit-s]: https://git-scm.com/docs/git-commit#Documentation/git-commit.txt--s
[git-rebase-s]: https://git-scm.com/docs/git-rebase#Documentation/git-rebase.txt---signoff
[natefinch]: https://github.com/natefinch
Thanks to natefinch for the inspiration for this library. See https://github.com/natefinch/npipe
for another named pipe implementation.

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