Avoid providing memory limit if not set explicitly

Signed-off-by: Nitishkumar Singh <nitishkumarsingh71@gmail.com>

.github/ISSUE_TEMPLATE.md

@@ -1,3 +1,7 @@
+## Due diligence
+
+Before you for help or support, make sure that you've [consulted the faasd manual "Serverless For Everyone Else"](https://openfaas.gumroad.com/l/serverless-for-everyone-else).
+
 <!--- Provide a general summary of the issue in the Title above -->
 
 ## Expected Behaviour
@@ -8,6 +12,12 @@
 <!--- If describing a bug, tell us what happens instead of the expected behavior -->
 <!--- If suggesting a change/improvement, explain the difference from current behavior -->
 
+## Are you a GitHub Sponsor (Yes/No?)
+
+Check at: https://github.com/sponsors/openfaas
+- [ ] Yes
+- [ ] No
+
 ## List all Possible Solutions
 <!--- Not obligatory, but suggest a fix/reason for the bug, -->
 <!--- or ideas how to implement the addition or change -->

.github/workflows/build.yaml

@@ -12,7 +12,7 @@ jobs:
       GO111MODULE: off
     strategy:
       matrix:
-        go-version: [1.15.x]
+        go-version: [1.17.x]
         os: [ubuntu-latest]
     runs-on: ${{ matrix.os }}
     steps:

.github/workflows/publish.yaml

@@ -9,7 +9,7 @@ jobs:
   publish:
     strategy:
       matrix:
-        go-version: [ 1.15.x ]
+        go-version: [ 1.17.x ]
         os: [ ubuntu-latest ]
     runs-on: ${{ matrix.os }}
     steps:

Makefile

@@ -33,7 +33,7 @@ hashgen:
 .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/v1.3.2/containerd.service | sudo tee /etc/systemd/system/containerd.service
+	curl -SLfs https://raw.githubusercontent.com/containerd/containerd/v1.5.4/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

README.md

@@ -1,5 +1,6 @@
 # faasd - a lightweight & portable faas engine
 
+[![Sponsor this](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)
 [![OpenFaaS](https://img.shields.io/badge/openfaas-serverless-blue.svg)](https://www.openfaas.com)
@@ -11,8 +12,7 @@ faasd is [OpenFaaS](https://github.com/openfaas/) reimagined, but without the co
 
 ## Use-cases and tutorials
 
-faasd is just another way to runOpenFaaS, so many things you read in the docs or in blog posts will work the same way.
-
+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.
 
 Videos and overviews:
 
@@ -45,7 +45,7 @@ Additional resources:
 
 Most importantly, it's easy to manage so you can set it up and leave it alone to run your functions.
 
-![demo](https://pbs.twimg.com/media/EPNQz00W4AEwDxM?format=jpg&name=small)
+[![demo](https://pbs.twimg.com/media/EPNQz00W4AEwDxM?format=jpg&name=medium)](https://www.youtube.com/watch?v=WX1tZoSXy8E)
 
 > Demo of faasd running asynchronous functions
 
@@ -87,7 +87,7 @@ However, "Serverless For Everyone Else" is the official handbook and was written
 ### The official handbook and docs for faasd
 
 <a href="https://gumroad.com/l/serverless-for-everyone-else">
-<img src="https://static-2.gumroad.com/res/gumroad/2028406193591/asset_previews/741f2ad46ff0a08e16aaf48d21810ba7/retina/social4.png" width="40%"></a>
+<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.
 
@@ -167,4 +167,6 @@ For completed features, WIP and upcoming roadmap see:
 
 See [ROADMAP.md](docs/ROADMAP.md)
 
+Want to build a patch without setting up a complete development environment? See [docs/PATCHES.md](docs/PATCHES.md)
+
 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.

cloud-config.txt

@@ -10,17 +10,7 @@ packages:
  - git
 
 runcmd:
-- curl -sLSf https://github.com/containerd/containerd/releases/download/v1.3.5/containerd-1.3.5-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/v1.3.5/containerd.service | tee /etc/systemd/system/containerd.service
-- systemctl daemon-reload && systemctl start containerd
-- systemctl enable containerd
-- /sbin/sysctl -w net.ipv4.conf.all.forwarding=1
-- mkdir -p /opt/cni/bin
-- curl -sSL https://github.com/containernetworking/plugins/releases/download/v0.8.5/cni-plugins-linux-amd64-v0.8.5.tgz | tar -xz -C /opt/cni/bin
-- mkdir -p /go/src/github.com/openfaas/
-- cd /go/src/github.com/openfaas/ && git clone --depth 1 --branch 0.11.0 https://github.com/openfaas/faasd
-- curl -fSLs "https://github.com/openfaas/faasd/releases/download/0.11.0/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
+- curl -sfL https://raw.githubusercontent.com/openfaas/faasd/master/hack/install.sh | sh -s -
 - systemctl status -l containerd --no-pager
 - journalctl -u faasd-provider --no-pager
 - systemctl status -l faasd-provider --no-pager

cmd/install.go

@@ -109,7 +109,16 @@ 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)

cmd/provider.go

@@ -1,8 +1,8 @@
 package cmd
 
 import (
-	"encoding/json"
 	"fmt"
+	"io"
 	"io/ioutil"
 	"log"
 	"net/http"
@@ -14,6 +14,7 @@ import (
 	"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"
@@ -21,6 +22,8 @@ import (
 	"github.com/spf13/cobra"
 )
 
+const secretDirPermission = 0755
+
 func makeProviderCmd() *cobra.Command {
 	var command = &cobra.Command{
 		Use:   "provider",
@@ -82,20 +85,25 @@ func makeProviderCmd() *cobra.Command {
 
 		invokeResolver := handlers.NewInvokeResolver(client)
 
-		userSecretPath := path.Join(wd, "secrets")
+		baseUserSecretsPath := path.Join(wd, "secrets")
+		if err := moveSecretsToDefaultNamespaceSecrets(
+			baseUserSecretsPath,
+			faasd.DefaultFunctionNamespace); err != nil {
+			return err
+		}
 
 		bootstrapHandlers := types.FaaSHandlers{
 			FunctionProxy:        proxy.NewHandlerFunc(*config, invokeResolver),
 			DeleteHandler:        handlers.MakeDeleteHandler(client, cni),
-			DeployHandler:        handlers.MakeDeployHandler(client, cni, userSecretPath, alwaysPull),
+			DeployHandler:        handlers.MakeDeployHandler(client, cni, baseUserSecretsPath, alwaysPull),
 			FunctionReader:       handlers.MakeReadHandler(client),
 			ReplicaReader:        handlers.MakeReplicaReaderHandler(client),
 			ReplicaUpdater:       handlers.MakeReplicaUpdateHandler(client, cni),
-			UpdateHandler:        handlers.MakeUpdateHandler(client, cni, userSecretPath, alwaysPull),
+			UpdateHandler:        handlers.MakeUpdateHandler(client, cni, baseUserSecretsPath, alwaysPull),
 			HealthHandler:        func(w http.ResponseWriter, r *http.Request) {},
 			InfoHandler:          handlers.MakeInfoHandler(Version, GitCommit),
-			ListNamespaceHandler: listNamespaces(),
-			SecretHandler:        handlers.MakeSecretHandler(client, userSecretPath),
+			ListNamespaceHandler: handlers.MakeNamespacesLister(client),
+			SecretHandler:        handlers.MakeSecretHandler(client.NamespaceService(), baseUserSecretsPath),
 			LogHandler:           logs.NewLogHandlerFunc(faasdlogs.New(), config.ReadTimeout),
 		}
 
@@ -107,10 +115,62 @@ func makeProviderCmd() *cobra.Command {
 	return command
 }
 
-func listNamespaces() func(w http.ResponseWriter, r *http.Request) {
-	return func(w http.ResponseWriter, r *http.Request) {
-		list := []string{""}
-		out, _ := json.Marshal(list)
-		w.Write(out)
+/*
+* 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
 }

cmd/root.go

@@ -46,7 +46,12 @@ var rootCommand = &cobra.Command{
 	Use:   "faasd",
 	Short: "Start faasd",
 	Long: `
-faasd - serverless without Kubernetes
+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
 `,
 	RunE:         runRootCommand,
 	SilenceUsage: true,

docker-compose.yaml

@@ -1,7 +1,7 @@
 version: "3.7"
 services:
   basic-auth-plugin:
-    image: ghcr.io/openfaas/basic-auth:0.20.5
+    image: ghcr.io/openfaas/basic-auth:0.21.0
     environment:
       - port=8080
       - secret_mount_path=/run/secrets
@@ -19,29 +19,44 @@ services:
       - CAP_NET_RAW
 
   nats:
-    image: docker.io/library/nats-streaming:0.11.2
+    image: docker.io/library/nats-streaming:0.22.0
+# nobody
+    user: "65534"
     command:
       - "/nats-streaming-server"
       - "-m"
       - "8222"
-      - "--store=memory"
+      - "--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:v2.14.0
+# 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:0.20.8
+    image: ghcr.io/openfaas/gateway:0.21.3
     environment:
       - basic_auth=true
       - functions_provider_url=http://faasd-provider:8081/
@@ -74,7 +89,7 @@ services:
        - "8080:8080"
 
   queue-worker:
-    image: docker.io/openfaas/queue-worker:0.11.2
+    image: ghcr.io/openfaas/queue-worker:0.12.2
     environment:
       - faas_nats_address=nats
       - faas_nats_port=4222

docs/DEV.md

@@ -1,7 +1,11 @@
-## Instructions for hacking on faasd itself
+## 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.
@@ -16,7 +20,7 @@
 
     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 v1.3.5](https://github.com/containerd/containerd) and the [CNI plugins v0.8.5](https://github.com/containernetworking/plugins)
+    You will also need [containerd v1.5.4](https://github.com/containerd/containerd) and the [CNI plugins v0.8.5](https://github.com/containernetworking/plugins)
 
     [faas-cli](https://github.com/openfaas/faas-cli) is optional, but recommended.
 
@@ -84,7 +88,7 @@ You have three options - binaries for PC, binaries for armhf, or build from sour
 * Install containerd `x86_64` only
 
 ```bash
-export VER=1.3.5
+export VER=1.5.4
 curl -sSL https://github.com/containerd/containerd/releases/download/v$VER/containerd-$VER-linux-amd64.tar.gz > /tmp/containerd.tar.gz \
   && sudo tar -xvf /tmp/containerd.tar.gz -C /usr/local/bin/ --strip-components=1
 
@@ -96,7 +100,7 @@ containerd -version
     Building `containerd` on armhf is extremely slow, so I've provided binaries for you.
 
     ```bash
-    curl -sSL https://github.com/alexellis/containerd-armhf/releases/download/v1.3.5/containerd.tgz | sudo tar -xvz --strip-components=2 -C /usr/local/bin/
+    curl -sSL https://github.com/alexellis/containerd-armhf/releases/download/v1.5.4/containerd.tgz | sudo tar -xvz --strip-components=2 -C /usr/local/bin/
     ```
 
 * Or clone / build / install [containerd](https://github.com/containerd/containerd) from source:
@@ -108,7 +112,7 @@ containerd -version
     git clone https://github.com/containerd/containerd
     cd containerd
     git fetch origin --tags
-    git checkout v1.3.5
+    git checkout v1.5.4
 
     make
     sudo make install
@@ -119,7 +123,7 @@ containerd -version
 #### Ensure containerd is running
 
 ```bash
-curl -sLS https://raw.githubusercontent.com/containerd/containerd/v1.3.5/containerd.service > /tmp/containerd.service
+curl -sLS https://raw.githubusercontent.com/containerd/containerd/v1.5.4/containerd.service > /tmp/containerd.service
 
 # Extend the timeouts for low-performance VMs
 echo "[Manager]" | tee -a /tmp/containerd.service
@@ -233,7 +237,7 @@ export SUFFIX="-armhf"
 export SUFFIX="-arm64"
 
 # Then download
-curl -fSLs "https://github.com/openfaas/faasd/releases/download/0.11.0/faasd$SUFFIX" \
+curl -fSLs "https://github.com/openfaas/faasd/releases/download/0.13.0/faasd$SUFFIX" \
     -o "/tmp/faasd" \
     && chmod +x "/tmp/faasd" 
 sudo mv /tmp/faasd /usr/local/bin/

docs/MULTIPASS.md

@@ -27,111 +27,112 @@ It took me about 2-3 minutes to run through everything after installing multipas
 
 * Get my cloud-config.txt file
 
-```sh
-curl -sSLO https://raw.githubusercontent.com/openfaas/faasd/master/cloud-config.txt
-```
+    ```sh
+    curl -sSLO https://raw.githubusercontent.com/openfaas/faasd/master/cloud-config.txt
+    ```
 
-* Update the SSH key to match your own, edit `cloud-config.txt`:
+* Boot the VM 
 
-Replace the 2nd line with the contents of `~/.ssh/id_rsa.pub`:
+    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.
 
-```
-ssh_authorized_keys:
-  - ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQC8Q/aUYUr3P1XKVucnO9mlWxOjJm+K01lHJR90MkHC9zbfTqlp8P7C3J26zKAuzHXOeF+VFxETRr6YedQKW9zp5oP7sN+F2gr/pO7GV3VmOqHMV7uKfyUQfq7H1aVzLfCcI7FwN2Zekv3yB7kj35pbsMa1Za58aF6oHRctZU6UWgXXbRxP+B04DoVU7jTstQ4GMoOCaqYhgPHyjEAS3DW0kkPW6HzsvJHkxvVcVlZ/wNJa1Ie/yGpzOzWIN0Ol0t2QT/RSWOhfzO1A2P0XbPuZ04NmriBonO9zR7T1fMNmmtTuK7WazKjQT3inmYRAqU6pe8wfX8WIWNV7OowUjUsv alex@alexr.local
-```
+    ```sh
+    sed "s/ssh-rsa.*/$(cat $HOME/.ssh/id_*.pub)/" cloud-config.txt | multipass launch --name faasd --cloud-init -
+    ```
 
-* Boot the VM
+    This can also be done manually, just replace the 2nd line of the `cloud-config.txt` with the coPntents of your public ssh key, usually either `~/.ssh/id_rsa.pub` or `~/.ssh/id_ed25519.pub`
 
-```sh
-multipass launch --cloud-init cloud-config.txt  --name faasd
-```
+    ```
+    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
-```
+    ```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`:
+    Set the variable `IP`:
 
-```
-export IP="192.168.64.14"
-```
+    ```
+    export IP="192.168.64.14"
+    ```
 
-You can also try to use `jq` to get the IP into a variable:
+    You can also try to use `jq` to get the IP into a variable:
 
-```sh
-export IP=$(multipass info faasd --format json| jq -r '.info.faasd.ipv4[0]')
-```
+    ```sh
+    export IP=$(multipass info faasd --format json| jq -r '.info.faasd.ipv4[0]')
+    ```
 
-Connect to the IP listed:
+    Connect to the IP listed:
 
-```sh
-ssh ubuntu@$IP
-```
+    ```sh
+    ssh ubuntu@$IP
+    ```
 
-Log out once you know it works.
+    Log out once you know it works.
 
 * Let's capture the authentication password into a file for use with `faas-cli`
 
-```
-ssh ubuntu@$IP "sudo cat /var/lib/faasd/secrets/basic-auth-password" > basic-auth-password
-```
+    ```
+    ssh ubuntu@$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://$IP:8080
-cat basic-auth-password | faas-cli login -s
-```
+    ```
+    export OPENFAAS_URL=http://$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 store deploy figlet --env write_timeout=1s
+    echo "faasd" | faas-cli invoke figlet
 
-faas-cli describe figlet
+    faas-cli describe figlet
 
-# Run async
-curl -i -d "faasd-async" $OPENFAAS_URL/async-function/figlet
+    # Run async
+    curl -i -d "faasd-async" $OPENFAAS_URL/async-function/figlet
 
-# Run async with a callback
+    # 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
-```
+    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`
+    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`:
+    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://$IP:8080
-```
+    ```
+    echo http://$IP:8080
+    ```
 
 * Stop/start the instance
 
-```sh
-multipass stop faasd
-```
+    ```sh
+    multipass stop faasd
+    ```
 
 * Delete, if you want to:
 
-```
-multipass delete --purge faasd
-```
+    ```
+    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.
 

docs/PATCHES.md

@@ -0,0 +1,88 @@
+## 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 \
+  --mem 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.
+

docs/ROADMAP.md

@@ -75,10 +75,10 @@ sudo systemctl restart faasd
 
 Should have:
 
-* [ ] Resolve core services from functions by populating/sharing `/etc/hosts` between `faasd` and `faasd-provider`
-* [ ] Docs or examples on how to use the various connectors and connector-sdk
+* [ ] Offer a recommendation or implement a strategy for faasd replication/HA
 * [ ] Monitor and restart any of the core components at runtime if the container stops
-* [ ] Asynchronous deletion instead of synchronous
+* [ ] Asynchronous function deletion instead of synchronous
+* [ ] Asynchronous function start-up instead of synchronous
 
 Nice to Have:
 
@@ -89,6 +89,8 @@ Nice to Have:
 
 ### 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

docs/bootstrap/.terraform.lock.hcl

@@ -0,0 +1,66 @@
+# 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",
+  ]
+}

docs/bootstrap/README.md

@@ -5,11 +5,18 @@
 3) Clone this gist using the URL from the address bar
 4) Run `terraform init`
 5) Run `terraform apply -var="do_token=$(cat $HOME/digitalocean-access-token)"`
-6) View the output for the login command and gateway URL i.e.
+6) View the output for the gateway URL
 
 ```
 gateway_url = http://178.128.39.201:8080/
+```
+7) 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
 ```
 

docs/bootstrap/cloud-config.tpl

@@ -1,8 +1,4 @@
 #cloud-config
-ssh_authorized_keys:
-## Note: Replace with your own public key
-  - ${ssh_key}
-
 package_update: true
 
 packages:
@@ -10,8 +6,8 @@ packages:
  - git
 
 runcmd:
-- curl -sLSf https://github.com/containerd/containerd/releases/download/v1.3.5/containerd-1.3.5-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/v1.3.5/containerd.service | tee /etc/systemd/system/containerd.service
+- curl -sLSf https://github.com/containerd/containerd/releases/download/v1.5.4/containerd-1.5.4-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/v1.5.4/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
@@ -20,8 +16,8 @@ runcmd:
 - 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 0.11.0 https://github.com/openfaas/faasd
-- curl -fSLs "https://github.com/openfaas/faasd/releases/download/0.11.0/faasd" --output "/usr/local/bin/faasd" && chmod a+x "/usr/local/bin/faasd"
+- cd /go/src/github.com/openfaas/ && git clone --depth 1 --branch 0.13.0 https://github.com/openfaas/faasd
+- curl -fSLs "https://github.com/openfaas/faasd/releases/download/0.13.0/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

docs/bootstrap/digitalocean-terraform/.terraform.lock.hcl

@@ -0,0 +1,66 @@
+# 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",
+  ]
+}

docs/bootstrap/digitalocean-terraform/README.md

@@ -27,10 +27,20 @@
 ```
 droplet_ip = 178.128.39.201
 gateway_url = https://faasd.example.com/
-login_cmd = faas-cli login -g https://faasd.example.com/ -p rvIU49CEcFcHmqxj
+```
+
+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
 ```
-8) Use your browser to access the OpenFaaS interface
+
+
+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.

docs/bootstrap/digitalocean-terraform/cloud-config.tpl

@@ -1,7 +1,4 @@
 #cloud-config
-ssh_authorized_keys:
-  - ${ssh_key}
-
 groups:
   - caddy
 
@@ -31,8 +28,8 @@ packages:
  - runc
 
 runcmd:
-- curl -sLSf https://github.com/containerd/containerd/releases/download/v1.3.5/containerd-1.3.5-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/v1.3.5/containerd.service | tee /etc/systemd/system/containerd.service
+- curl -sLSf https://github.com/containerd/containerd/releases/download/v1.5.4/containerd-1.5.4-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/v1.5.4/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
@@ -41,8 +38,8 @@ runcmd:
 - 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 0.11.0 https://github.com/openfaas/faasd
-- curl -fSLs "https://github.com/openfaas/faasd/releases/download/0.11.0/faasd" --output "/usr/local/bin/faasd" && chmod a+x "/usr/local/bin/faasd"
+- cd /go/src/github.com/openfaas/ && git clone --depth 1 --branch 0.13.0 https://github.com/openfaas/faasd
+- curl -fSLs "https://github.com/openfaas/faasd/releases/download/0.13.0/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

docs/bootstrap/digitalocean-terraform/main.tf

@@ -1,5 +1,11 @@
 terraform {
-  required_version = ">= 0.12"
+  required_version = ">= 1.0.4"
+  required_providers {
+    digitalocean = {
+      source  = "digitalocean/digitalocean"
+      version = "2.11.0"
+    }
+  }
 }
 
 variable "do_token" {
@@ -10,7 +16,7 @@ variable "do_domain" {
 }
 variable "do_subdomain" {
   description = "Your public subdomain"
-  default = "faasd"
+  default     = "faasd"
 }
 variable "letsencrypt_email" {
   description = "Email used to order a certificate from Letsencrypt"
@@ -32,41 +38,44 @@ provider "digitalocean" {
   token = var.do_token
 }
 
-data "local_file" "ssh_key"{
-  filename = pathexpand(var.ssh_key_file)
-}
-
 resource "random_password" "password" {
-  length = 16
-  special = true
+  length           = 16
+  special          = true
   override_special = "_-#"
 }
 
 data "template_file" "cloud_init" {
-  template = "${file("cloud-config.tpl")}"
-    vars = {
-      gw_password=random_password.password.result,
-      ssh_key=data.local_file.ssh_key.content,
-      faasd_domain_name="${var.do_subdomain}.${var.do_domain}"
-      letsencrypt_email=var.letsencrypt_email
-    }
+  template = file("cloud-config.tpl")
+  vars = {
+    gw_password       = random_password.password.result,
+    faasd_domain_name = "${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"
+  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   = "faasd"
+  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
+  count = var.do_create_record == true ? 1 : 0
 }
 
 output "droplet_ip" {
@@ -78,9 +87,11 @@ output "gateway_url" {
 }
 
 output "password" {
-    value = random_password.password.result
+  value     = random_password.password.result
+  sensitive = true
 }
 
 output "login_cmd" {
-  value = "faas-cli login -g https://${var.do_subdomain}.${var.do_domain}/ -p ${random_password.password.result}"
+  value     = "faas-cli login -g https://${var.do_subdomain}.${var.do_domain}/ -p ${random_password.password.result}"
+  sensitive = true
 }

docs/bootstrap/main.tf

@@ -1,5 +1,11 @@
 terraform {
-  required_version = ">= 0.12"
+  required_version = ">= 1.0.4"
+  required_providers {
+    digitalocean = {
+      source  = "digitalocean/digitalocean"
+      version = "2.11.0"
+    }
+  }
 }
 
 variable "do_token" {}
@@ -10,25 +16,25 @@ variable "ssh_key_file" {
 }
 
 provider "digitalocean" {
-  token = var.do_token	
+  token = var.do_token
 }
 
 resource "random_password" "password" {
-  length = 16
-  special = true
+  length           = 16
+  special          = true
   override_special = "_-#"
 }
 
-data "local_file" "ssh_key"{
-  filename = pathexpand(var.ssh_key_file)
+data "template_file" "cloud_init" {
+  template = file("cloud-config.tpl")
+  vars = {
+    gw_password = random_password.password.result
+  }
 }
 
-data "template_file" "cloud_init" {
-  template = "${file("cloud-config.tpl")}"
-    vars = {
-      gw_password=random_password.password.result,
-      ssh_key=data.local_file.ssh_key.content,
-    }
+resource "digitalocean_ssh_key" "faasd_ssh_key" {
+  name       = "ssh-key"
+  public_key = file(var.ssh_key_file)
 }
 
 resource "digitalocean_droplet" "faasd" {
@@ -38,12 +44,16 @@ resource "digitalocean_droplet" "faasd" {
   name   = "faasd"
   # Plans: https://developers.digitalocean.com/documentation/changelog/api-v2/new-size-slugs-for-droplet-plan-changes/
   #size   = "512mb"
-  size = "s-1vcpu-1gb"
+  size      = "s-1vcpu-1gb"
   user_data = data.template_file.cloud_init.rendered
+  ssh_keys = [
+    digitalocean_ssh_key.faasd_ssh_key.id
+  ]
 }
 
 output "password" {
-    value = random_password.password.result
+  value     = random_password.password.result
+  sensitive = true
 }
 
 output "gateway_url" {
@@ -51,6 +61,7 @@ output "gateway_url" {
 }
 
 output "login_cmd" {
-  value = "faas-cli login -g http://${digitalocean_droplet.faasd.ipv4_address}:8080/ -p ${random_password.password.result}"
+  value     = "faas-cli login -g http://${digitalocean_droplet.faasd.ipv4_address}:8080/ -p ${random_password.password.result}"
+  sensitive = true
 }
 

go.mod

@@ -1,50 +1,30 @@
 module github.com/openfaas/faasd
 
-go 1.15
+go 1.16
 
 require (
-	github.com/Microsoft/hcsshim v0.8.7-0.20190820203702-9e921883ac92 // indirect
-	github.com/alexellis/go-execute v0.0.0-20200124154445-8697e4e28c5e
-	github.com/alexellis/k3sup v0.0.0-20200607084134-629c0bc6b50f
+	github.com/alexellis/go-execute v0.5.0
+	github.com/alexellis/k3sup v0.0.0-20210726065733-9717ee3b75a0
 	github.com/compose-spec/compose-go v0.0.0-20200528042322-36d8ce368e05
-	github.com/containerd/cgroups v0.0.0-20201119153540-4cbc285b3327 // indirect
-	github.com/containerd/containerd v1.3.2
-	github.com/containerd/continuity v0.0.0-20190815185530-f2a389ac0a02 // indirect
-	github.com/containerd/fifo v0.0.0-20190816180239-bda0ff6ed73c // indirect
-	github.com/containerd/go-cni v0.0.0-20200107172653-c154a49e2c75
-	github.com/containerd/ttrpc v1.0.0 // indirect
-	github.com/containerd/typeurl v1.0.0 // indirect
+	github.com/containerd/containerd v1.5.4
+	github.com/containerd/go-cni v1.0.2
 	github.com/coreos/go-systemd v0.0.0-20191104093116-d3cd4ed1dbcf
 	github.com/docker/cli v0.0.0-20191105005515-99c5edceb48d
-	github.com/docker/distribution v2.7.1-0.20190205005809-0d3efadf0154+incompatible
+	github.com/docker/distribution v2.7.1+incompatible
 	github.com/docker/docker v17.12.0-ce-rc1.0.20191113042239-ea84732a7725+incompatible // indirect
 	github.com/docker/docker-credential-helpers v0.6.3 // indirect
-	github.com/docker/go-events v0.0.0-20170721190031-9461782956ad // indirect
-	github.com/gogo/googleapis v1.2.0 // indirect
-	github.com/golang/groupcache v0.0.0-20191027212112-611e8accdfc9 // indirect
 	github.com/gorilla/mux v1.8.0
-	github.com/imdario/mergo v0.3.9 // indirect
 	github.com/morikuni/aec v1.0.0
-	github.com/opencontainers/go-digest v1.0.0-rc1.0.20180430190053-c9281466c8b2 // indirect
-	github.com/opencontainers/image-spec v1.0.1 // indirect
-	github.com/opencontainers/runc v1.0.0-rc9 // indirect
-	github.com/opencontainers/runtime-spec v1.0.2
-	github.com/openfaas/faas v0.0.0-20201205125747-9bbb25e3c7c4
-	github.com/openfaas/faas-provider v0.17.0
+	github.com/opencontainers/runtime-spec v1.0.3-0.20200929063507-e6143ca7d51d
+	github.com/openfaas/faas-provider v0.18.6
+	github.com/openfaas/faas/gateway v0.0.0-20210726163109-539f0a2c946e
 	github.com/pkg/errors v0.9.1
-	github.com/prometheus/procfs v0.2.0 // indirect
-	github.com/sethvargo/go-password v0.1.3
-	github.com/spf13/cobra v0.0.5
+	github.com/sethvargo/go-password v0.2.0
+	github.com/spf13/cobra v1.2.1
 	github.com/spf13/pflag v1.0.5
-	github.com/syndtr/gocapability v0.0.0-20180916011248-d98352740cb2 // indirect
-	github.com/vishvananda/netlink v1.1.0
-	github.com/vishvananda/netns v0.0.0-20191106174202-0a2b9b5464df
+	github.com/vishvananda/netlink v1.1.1-0.20201029203352-d40f9887b852
+	github.com/vishvananda/netns v0.0.0-20200728191858-db3c7e526aae
 	github.com/xeipuuv/gojsonpointer v0.0.0-20190905194746-02993c407bfb // indirect
-	go.etcd.io/bbolt v1.3.5 // indirect
-	go.opencensus.io v0.22.2 // indirect
-	golang.org/x/net v0.0.0-20191209160850-c0dbc17a3553 // indirect
-	golang.org/x/sys v0.0.0-20200202164722-d101bd2416d5
-	google.golang.org/genproto v0.0.0-20191216205247-b31c10ee225f // indirect
-	google.golang.org/grpc v1.23.0 // indirect
-	k8s.io/apimachinery v0.18.9
+	golang.org/x/sys v0.0.0-20210615035016-665e8c7367d1
+	k8s.io/apimachinery v0.21.3
 )

hack/build-containerd-arm64.sh

@@ -0,0 +1,37 @@
+#!/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 v1.5.4
+
+make
+sudo make install
+
+sudo containerd --version

hack/build-containerd-armhf.sh

@@ -1,12 +1,20 @@
 #!/bin/bash
 
-export ARCH="armv6l"
-echo "Downloading Go"
+# See pre-reqs:
+# https://github.com/alexellis/containerd-arm
 
-curl -SLsf https://dl.google.com/go/go1.13.15.linux-$ARCH.tar.gz --output /tmp/go.tgz
-sudo rm -rf /usr/local/go/
-sudo mkdir -p /usr/local/go/
-sudo tar -xvf /tmp/go.tgz -C /usr/local/go/ --strip-components=1
+export ARCH="arm64"
+
+if [ ! -d "/usr/local/go/bin" ]; then
+    echo "Downloading Go.."
+    
+    curl -SLsf https://golang.org/dl/go1.16.6.linux-$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/
@@ -21,7 +29,7 @@ git clone https://github.com/containerd/containerd
 
 cd containerd
 git fetch origin --tags
-git checkout v1.3.2
+git checkout v1.5.4
 
 make
 sudo make install

hack/build-containerd.sh

@@ -1,12 +1,21 @@
 #!/bin/bash
 
-export ARCH="amd64"
-echo "Downloading Go"
 
-curl -SLsf https://dl.google.com/go/go1.12.14.linux-$ARCH.tar.gz --output /tmp/go.tgz
-sudo rm -rf /usr/local/go/
-sudo mkdir -p /usr/local/go/
-sudo tar -xvf /tmp/go.tgz -C /usr/local/go/ --strip-components=1
+# See pre-reqs:
+# https://github.com/alexellis/containerd-arm
+
+export ARCH="arm64"
+
+if [ ! -d "/usr/local/go/bin" ]; then
+    echo "Downloading Go.."
+    
+    curl -SLsf https://golang.org/dl/go1.16.6.linux-$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/
@@ -21,7 +30,7 @@ git clone https://github.com/containerd/containerd
 
 cd containerd
 git fetch origin --tags
-git checkout v1.3.2
+git checkout v1.5.4
 
 make
 sudo make install

hack/faasd-provider.service

@@ -5,6 +5,7 @@ Description=faasd-provider
 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

hack/install.sh

@@ -39,6 +39,10 @@ has_apt_get() {
   [ -n "$(command -v apt-get)" ]
 }
 
+has_pacman() {
+  [ -n "$(command -v pacman)" ]
+}
+
 install_required_packages() {
   if $(has_apt_get); then
     $SUDO apt-get update -y
@@ -46,8 +50,11 @@ install_required_packages() {
   elif $(has_yum); then
     $SUDO yum check-update -y
     $SUDO yum install -y curl runc
+  elif $(has_pacman); then
+    $SUDO pacman -Syy
+    $SUDO pacman -Sy curl runc bridge-utils
   else
-    fatal "Could not find apt-get or yum. Cannot install dependencies on this OS."
+    fatal "Could not find apt-get, yum, or pacman. Cannot install dependencies on this OS."
     exit 1
   fi
 }
@@ -79,13 +86,13 @@ install_containerd() {
   arch=$(uname -m)
   case $arch in
   x86_64 | amd64)
-    curl -sLSf https://github.com/containerd/containerd/releases/download/v1.3.7/containerd-1.3.7-linux-amd64.tar.gz | $SUDO tar -xvz --strip-components=1 -C /usr/local/bin/
+    curl -sLSf https://github.com/containerd/containerd/releases/download/v1.5.4/containerd-1.5.4-linux-amd64.tar.gz | $SUDO tar -xvz --strip-components=1 -C /usr/local/bin/
     ;;
   armv7l)
-    curl -sSL https://github.com/alexellis/containerd-arm/releases/download/v1.3.5/containerd-1.3.5-linux-armhf.tar.gz | $SUDO tar -xvz --strip-components=1 -C /usr/local/bin/
+    curl -sSL https://github.com/alexellis/containerd-arm/releases/download/v1.5.4/containerd-1.5.4-linux-armhf.tar.gz | $SUDO tar -xvz --strip-components=1 -C /usr/local/bin/
     ;;
   aarch64)
-    curl -sSL https://github.com/alexellis/containerd-arm/releases/download/v1.3.5/containerd-1.3.5-linux-arm64.tar.gz | $SUDO tar -xvz --strip-components=1 -C /usr/local/bin/
+    curl -sSL https://github.com/alexellis/containerd-arm/releases/download/v1.5.4/containerd-1.5.4-linux-arm64.tar.gz | $SUDO tar -xvz --strip-components=1 -C /usr/local/bin/
     ;;
   *)
     fatal "Unsupported architecture $arch"
@@ -93,7 +100,7 @@ install_containerd() {
   esac
 
   $SUDO systemctl unmask containerd || :
-  $SUDO curl -SLfs https://raw.githubusercontent.com/containerd/containerd/v1.3.5/containerd.service --output /etc/systemd/system/containerd.service
+  $SUDO curl -SLfs https://raw.githubusercontent.com/containerd/containerd/v1.5.4/containerd.service --output /etc/systemd/system/containerd.service
   $SUDO systemctl enable containerd
   $SUDO systemctl start containerd
 
@@ -150,7 +157,7 @@ install_caddy() {
       ;;
     esac
 
-    curl -sSL "https://github.com/caddyserver/caddy/releases/download/v2.2.1/caddy_2.2.1_linux_${suffix}.tar.gz" | $SUDO tar -xvz -C /usr/bin/ caddy
+    curl -sSL "https://github.com/caddyserver/caddy/releases/download/v2.4.3/caddy_2.4.3_linux_${suffix}.tar.gz" | $SUDO tar -xvz -C /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

pkg/constants.go

@@ -1,11 +1,14 @@
 package pkg
 
 const (
-	// FunctionNamespace is the default containerd namespace functions are created
-	FunctionNamespace = "openfaas-fn"
+	// DefaultFunctionNamespace is the default containerd namespace functions are created
+	DefaultFunctionNamespace = "openfaas-fn"
 
-	// faasdNamespace is the containerd namespace services are created
-	faasdNamespace = "openfaas"
+	// NamespaceLabel indicates that a namespace is managed by faasd
+	NamespaceLabel = "openfaas"
+
+	// FaasdNamespace is the containerd namespace services are created
+	FaasdNamespace = "openfaas"
 
 	faasServicesPullAlways = false
 

pkg/logs/requestor.go

@@ -71,7 +71,7 @@ func buildCmd(ctx context.Context, req logs.Request) *exec.Cmd {
 
 	namespace := req.Namespace
 	if namespace == "" {
-		namespace = faasd.FunctionNamespace
+		namespace = faasd.DefaultFunctionNamespace
 	}
 
 	// find the description of the fields here

pkg/provider/handlers/delete.go

@@ -13,7 +13,6 @@ import (
 	gocni "github.com/containerd/go-cni"
 	"github.com/openfaas/faas/gateway/requests"
 
-	faasd "github.com/openfaas/faasd/pkg"
 	cninetwork "github.com/openfaas/faasd/pkg/cninetwork"
 	"github.com/openfaas/faasd/pkg/service"
 )
@@ -41,9 +40,23 @@ func MakeDeleteHandler(client *containerd.Client, cni gocni.CNI) func(w http.Res
 			return
 		}
 
+		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
+		}
+
 		name := req.FunctionName
 
-		function, err := GetFunction(client, name)
+		function, err := GetFunction(client, name, lookupNamespace)
 		if err != nil {
 			msg := fmt.Sprintf("service %s not found", name)
 			log.Printf("[Delete] %s\n", msg)
@@ -51,7 +64,7 @@ func MakeDeleteHandler(client *containerd.Client, cni gocni.CNI) func(w http.Res
 			return
 		}
 
-		ctx := namespaces.WithNamespace(context.Background(), faasd.FunctionNamespace)
+		ctx := namespaces.WithNamespace(context.Background(), lookupNamespace)
 
 		// TODO: this needs to still happen if the task is paused
 		if function.replicas != 0 {

pkg/provider/handlers/deploy.go

@@ -20,7 +20,6 @@ import (
 	"github.com/docker/distribution/reference"
 	"github.com/opencontainers/runtime-spec/specs-go"
 	"github.com/openfaas/faas-provider/types"
-	faasd "github.com/openfaas/faasd/pkg"
 	cninetwork "github.com/openfaas/faasd/pkg/cninetwork"
 	"github.com/openfaas/faasd/pkg/service"
 	"github.com/pkg/errors"
@@ -29,8 +28,8 @@ import (
 
 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 {
@@ -52,15 +51,32 @@ func MakeDeployHandler(client *containerd.Client, cni gocni.CNI, secretMountPath
 			return
 		}
 
-		err = validateSecrets(secretMountPath, req.Secrets)
+		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(), faasd.FunctionNamespace)
+		ctx := namespaces.WithNamespace(context.Background(), namespace)
 
-		deployErr := deploy(ctx, req, client, cni, secretMountPath, alwaysPull)
+		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)
@@ -110,7 +126,7 @@ func deploy(ctx context.Context, req types.FunctionDeployment, client *container
 	}
 
 	envs := prepareEnv(req.EnvProcess, req.EnvVars)
-	mounts := getMounts()
+	mounts := getOSMounts()
 
 	for _, secret := range req.Secrets {
 		mounts = append(mounts, specs.Mount{
@@ -125,7 +141,7 @@ func deploy(ctx context.Context, req types.FunctionDeployment, client *container
 
 	labels, err := buildLabels(&req)
 	if err != nil {
-		return fmt.Errorf("Unable to apply labels to conatiner: %s, error: %s", name, err)
+		return fmt.Errorf("unable to apply labels to container: %s, error: %w", name, err)
 	}
 
 	var memory *specs.LinuxMemory
@@ -156,7 +172,7 @@ func deploy(ctx context.Context, req types.FunctionDeployment, client *container
 	)
 
 	if err != nil {
-		return fmt.Errorf("unable to create container: %s, error: %s", name, err)
+		return fmt.Errorf("unable to create container: %s, error: %w", name, err)
 	}
 
 	return createTask(ctx, client, container, cni)
@@ -194,7 +210,7 @@ func createTask(ctx context.Context, client *containerd.Client, container contai
 	task, taskErr := container.NewTask(ctx, cio.BinaryIO("/usr/local/bin/faasd", nil))
 
 	if taskErr != nil {
-		return fmt.Errorf("unable to start task: %s, error: %s", name, taskErr)
+		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())
@@ -246,20 +262,28 @@ func prepareEnv(envProcess string, reqEnvVars map[string]string) []string {
 	return envs
 }
 
-func getMounts() []specs.Mount {
-	wd, _ := os.Getwd()
+// 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(wd, "resolv.conf"),
+		Source:      path.Join(hostsDir, "resolv.conf"),
 		Options:     []string{"rbind", "ro"},
 	})
 
 	mounts = append(mounts, specs.Mount{
 		Destination: "/etc/hosts",
 		Type:        "bind",
-		Source:      path.Join(wd, "hosts"),
+		Source:      path.Join(hostsDir, "hosts"),
 		Options:     []string{"rbind", "ro"},
 	})
 	return mounts

pkg/provider/handlers/deploy_test.go

@@ -53,7 +53,7 @@ func Test_BuildLabels_WithAnnotations(t *testing.T) {
 			}
 
 			if !reflect.DeepEqual(val, tc.result) {
-				t.Errorf("Got: %s, expected %s", val, tc.result)
+				t.Errorf("Want: %s, got: %s", val, tc.result)
 			}
 		})
 	}

pkg/provider/handlers/functions.go

@@ -2,17 +2,19 @@ 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/cninetwork"
-
+	"github.com/openfaas/faasd/pkg"
 	faasd "github.com/openfaas/faasd/pkg"
+	"github.com/openfaas/faasd/pkg/cninetwork"
 )
 
 type Function struct {
@@ -27,11 +29,24 @@ type Function struct {
 	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) (map[string]*Function, error) {
-	ctx := namespaces.WithNamespace(context.Background(), faasd.FunctionNamespace)
+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)
@@ -41,7 +56,7 @@ func ListFunctions(client *containerd.Client) (map[string]*Function, error) {
 
 	for _, c := range containers {
 		name := c.ID()
-		f, err := GetFunction(client, name)
+		f, err := GetFunction(client, name, namespace)
 		if err != nil {
 			log.Printf("error getting function %s: ", name)
 			return functions, err
@@ -53,13 +68,13 @@ func ListFunctions(client *containerd.Client) (map[string]*Function, error) {
 }
 
 // GetFunction returns a function that matches name
-func GetFunction(client *containerd.Client, name string) (Function, error) {
-	ctx := namespaces.WithNamespace(context.Background(), faasd.FunctionNamespace)
+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 %s", name, err)
+		return Function{}, fmt.Errorf("unable to find function: %s, error %w", name, err)
 	}
 
 	image, err := c.Image(ctx)
@@ -71,27 +86,34 @@ func GetFunction(client *containerd.Client, name string) (Function, error) {
 	allLabels, labelErr := c.Labels(ctx)
 
 	if labelErr != nil {
-		log.Printf("cannot list container %s labels: %s", containerName, labelErr.Error())
+		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 spec for reading secrets: %s, error %s", name, err)
+		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 = faasd.FunctionNamespace
+	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)
@@ -99,7 +121,7 @@ func GetFunction(client *containerd.Client, name string) (Function, error) {
 		// Task for container exists
 		svc, err := task.Status(ctx)
 		if err != nil {
-			return Function{}, fmt.Errorf("unable to get task status for container: %s %s", name, err)
+			return Function{}, fmt.Errorf("unable to get task status for container: %s %w", name, err)
 		}
 
 		if svc.Status == "running" {
@@ -173,3 +195,48 @@ func buildLabelsAndAnnotations(ctrLabels map[string]string) (map[string]string,
 
 	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
+}

pkg/provider/handlers/functions_test.go

@@ -2,9 +2,10 @@ package handlers
 
 import (
 	"fmt"
-	"github.com/opencontainers/runtime-spec/specs-go"
 	"reflect"
 	"testing"
+
+	"github.com/opencontainers/runtime-spec/specs-go"
 )
 
 func Test_BuildLabelsAndAnnotationsFromServiceSpec_Annotations(t *testing.T) {
@@ -31,56 +32,102 @@ func Test_BuildLabelsAndAnnotationsFromServiceSpec_Annotations(t *testing.T) {
 }
 
 func Test_SplitMountToSecrets(t *testing.T) {
-	type test struct {
-		Name     string
-		Input    []specs.Mount
-		Expected []string
+	type testCase struct {
+		Name  string
+		Input []specs.Mount
+		Want  []string
 	}
-	tests := []test{
-		{Name: "No matching openfaas secrets", Input: []specs.Mount{{Destination: "/foo/"}}, Expected: []string{}},
-		{Name: "Nil mounts", Input: nil, Expected: []string{}},
-		{Name: "No Mounts", Input: []specs.Mount{{Destination: "/foo/"}}, Expected: []string{}},
-		{Name: "One Mounts IS secret", Input: []specs.Mount{{Destination: "/var/openfaas/secrets/secret1"}}, Expected: []string{"secret1"}},
-		{Name: "Multiple Mounts 1 secret", Input: []specs.Mount{{Destination: "/var/openfaas/secrets/secret1"}, {Destination: "/some/other/path"}}, Expected: []string{"secret1"}},
-		{Name: "Multiple Mounts all secrets", Input: []specs.Mount{{Destination: "/var/openfaas/secrets/secret1"}, {Destination: "/var/openfaas/secrets/secret2"}}, Expected: []string{"secret1", "secret2"}},
+	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.Expected) {
-				t.Fatalf("expected %s, got %s", tc.Expected, got)
+			if !reflect.DeepEqual(got, tc.Want) {
+				t.Fatalf("Want %s, got %s", tc.Want, got)
 			}
 		})
 	}
 }
 
 func Test_ProcessEnvToEnvVars(t *testing.T) {
-	type test struct {
+	type testCase struct {
 		Name     string
 		Input    []string
-		Expected map[string]string
+		Want     map[string]string
 		fprocess string
 	}
-	tests := []test{
-		{Name: "No matching EnvVars", Input: []string{"PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin", "fprocess=python index.py"}, Expected: make(map[string]string), fprocess: "python index.py"},
-		{Name: "No EnvVars", Input: []string{}, Expected: 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"}, Expected: 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"}, Expected: map[string]string{"this": "that", "env": "var"}, fprocess: "python index.py"},
-		{Name: "Nil EnvVars", Input: nil, Expected: make(map[string]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.Expected) {
-				t.Fatalf("expected: %s, got: %s", tc.Expected, got)
+			if !reflect.DeepEqual(got, tc.Want) {
+				t.Fatalf("Want: %s, got: %s", tc.Want, got)
 			}
 
 			if fprocess != tc.fprocess {
-				t.Fatalf("expected fprocess: %s, got: %s", tc.fprocess, got)
+				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)
+			}
+		})
+	}
+}

pkg/provider/handlers/invoke_resolver.go

@@ -4,8 +4,10 @@ import (
 	"fmt"
 	"log"
 	"net/url"
+	"strings"
 
 	"github.com/containerd/containerd"
+	faasd "github.com/openfaas/faasd/pkg"
 )
 
 const watchdogPort = 8080
@@ -19,11 +21,18 @@ func NewInvokeResolver(client *containerd.Client) *InvokeResolver {
 }
 
 func (i *InvokeResolver) Resolve(functionName string) (url.URL, error) {
-	log.Printf("Resolve: %q\n", functionName)
+	actualFunctionName := functionName
+	log.Printf("Resolve: %q\n", actualFunctionName)
 
-	function, err := GetFunction(i.client, functionName)
+	namespace := getNamespace(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", functionName)
+		return url.URL{}, fmt.Errorf("%s not found", actualFunctionName)
 	}
 
 	serviceIP := function.IP
@@ -37,3 +46,11 @@ func (i *InvokeResolver) Resolve(functionName string) (url.URL, error) {
 
 	return *urlRes, nil
 }
+
+func getNamespace(name, defaultNamespace string) string {
+	namespace := defaultNamespace
+	if strings.Contains(name, ".") {
+		namespace = name[strings.LastIndexAny(name, ".")+1:]
+	}
+	return namespace
+}

pkg/provider/handlers/namespaces.go

@@ -0,0 +1,18 @@
+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)
+	}
+}

pkg/provider/handlers/read.go

@@ -5,6 +5,8 @@ import (
 	"log"
 	"net/http"
 
+	"k8s.io/apimachinery/pkg/api/resource"
+
 	"github.com/containerd/containerd"
 	"github.com/openfaas/faas-provider/types"
 )
@@ -13,8 +15,21 @@ func MakeReadHandler(client *containerd.Client) func(w http.ResponseWriter, r *h
 
 	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)
+		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)
@@ -24,7 +39,8 @@ func MakeReadHandler(client *containerd.Client) func(w http.ResponseWriter, r *h
 		for _, fn := range fns {
 			annotations := &fn.annotations
 			labels := &fn.labels
-			res = append(res, types.FunctionStatus{
+			memory := resource.NewQuantity(fn.memoryLimit, resource.BinarySI)
+			status := types.FunctionStatus{
 				Name:        fn.name,
 				Image:       fn.image,
 				Replicas:    uint64(fn.replicas),
@@ -34,13 +50,22 @@ func MakeReadHandler(client *containerd.Client) func(w http.ResponseWriter, r *h
 				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)
-
 	}
 }

pkg/provider/handlers/replicas.go

@@ -14,8 +14,21 @@ func MakeReplicaReaderHandler(client *containerd.Client) func(w http.ResponseWri
 	return func(w http.ResponseWriter, r *http.Request) {
 		vars := mux.Vars(r)
 		functionName := vars["name"]
+		lookupNamespace := getRequestNamespace(readNamespaceFromQuery(r))
 
-		if f, err := GetFunction(client, functionName); err == nil {
+		// 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,
 				AvailableReplicas: uint64(f.replicas),
@@ -26,6 +39,7 @@ func MakeReplicaReaderHandler(client *containerd.Client) func(w http.ResponseWri
 				Secrets:           f.secrets,
 				EnvVars:           f.envVars,
 				EnvProcess:        f.envProcess,
+				CreatedAt:         f.createdAt,
 			}
 
 			functionBytes, _ := json.Marshal(found)

pkg/provider/handlers/scale.go

@@ -13,7 +13,6 @@ import (
 	gocni "github.com/containerd/go-cni"
 
 	"github.com/openfaas/faas-provider/types"
-	faasd "github.com/openfaas/faasd/pkg"
 )
 
 func MakeReplicaUpdateHandler(client *containerd.Client, cni gocni.CNI) func(w http.ResponseWriter, r *http.Request) {
@@ -40,16 +39,30 @@ func MakeReplicaUpdateHandler(client *containerd.Client, cni gocni.CNI) func(w h
 			return
 		}
 
+		namespace := getRequestNamespace(readNamespaceFromQuery(r))
+
+		// 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); err != nil {
+		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(), faasd.FunctionNamespace)
+		ctx := namespaces.WithNamespace(context.Background(), namespace)
 
 		ctr, ctrErr := client.LoadContainer(ctx, name)
 		if ctrErr != nil {

pkg/provider/handlers/secret.go

@@ -10,13 +10,14 @@ import (
 	"path"
 	"strings"
 
-	"github.com/containerd/containerd"
 	"github.com/openfaas/faas-provider/types"
+	provider "github.com/openfaas/faasd/pkg/provider"
 )
 
 const secretFilePermission = 0644
+const secretDirPermission = 0755
 
-func MakeSecretHandler(c *containerd.Client, mountPath string) func(w http.ResponseWriter, r *http.Request) {
+func MakeSecretHandler(store provider.Labeller, mountPath string) func(w http.ResponseWriter, r *http.Request) {
 
 	err := os.MkdirAll(mountPath, secretFilePermission)
 	if err != nil {
@@ -30,13 +31,13 @@ func MakeSecretHandler(c *containerd.Client, mountPath string) func(w http.Respo
 
 		switch r.Method {
 		case http.MethodGet:
-			listSecrets(c, w, r, mountPath)
+			listSecrets(store, w, r, mountPath)
 		case http.MethodPost:
-			createSecret(c, w, r, mountPath)
+			createSecret(w, r, mountPath)
 		case http.MethodPut:
-			createSecret(c, w, r, mountPath)
+			createSecret(w, r, mountPath)
 		case http.MethodDelete:
-			deleteSecret(c, w, r, mountPath)
+			deleteSecret(w, r, mountPath)
 		default:
 			w.WriteHeader(http.StatusBadRequest)
 			return
@@ -45,23 +46,46 @@ func MakeSecretHandler(c *containerd.Client, mountPath string) func(w http.Respo
 	}
 }
 
-func listSecrets(c *containerd.Client, w http.ResponseWriter, r *http.Request, mountPath string) {
-	files, err := ioutil.ReadDir(mountPath)
+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()})
+		secrets = append(secrets, types.Secret{Name: f.Name(), Namespace: lookupNamespace})
 	}
 
 	bytesOut, _ := json.Marshal(secrets)
 	w.Write(bytesOut)
 }
 
-func createSecret(c *containerd.Client, w http.ResponseWriter, r *http.Request, mountPath string) {
+func createSecret(w http.ResponseWriter, r *http.Request, mountPath string) {
 	secret, err := parseSecret(r)
 	if err != nil {
 		log.Printf("[secret] error %s", err.Error())
@@ -69,7 +93,30 @@ func createSecret(c *containerd.Client, w http.ResponseWriter, r *http.Request,
 		return
 	}
 
-	err = ioutil.WriteFile(path.Join(mountPath, secret.Name), []byte(secret.Value), secretFilePermission)
+	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())
@@ -78,7 +125,7 @@ func createSecret(c *containerd.Client, w http.ResponseWriter, r *http.Request,
 	}
 }
 
-func deleteSecret(c *containerd.Client, w http.ResponseWriter, r *http.Request, mountPath string) {
+func deleteSecret(w http.ResponseWriter, r *http.Request, mountPath string) {
 	secret, err := parseSecret(r)
 	if err != nil {
 		log.Printf("[secret] error %s", err.Error())
@@ -86,6 +133,9 @@ func deleteSecret(c *containerd.Client, w http.ResponseWriter, r *http.Request,
 		return
 	}
 
+	namespace := getRequestNamespace(readNamespaceFromQuery(r))
+	mountPath = getNamespaceSecretMountPath(mountPath, namespace)
+
 	err = os.Remove(path.Join(mountPath, secret.Name))
 
 	if err != nil {
@@ -107,10 +157,6 @@ func parseSecret(r *http.Request) (types.Secret, error) {
 		return secret, err
 	}
 
-	if isTraversal(secret.Name) {
-		return secret, fmt.Errorf(traverseErrorSt)
-	}
-
 	return secret, err
 }
 
@@ -120,3 +166,13 @@ 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
+}

pkg/provider/handlers/secret_test.go

@@ -1,63 +1,252 @@
 package handlers
 
 import (
-	"bytes"
 	"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_parseSecretValidName(t *testing.T) {
+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"},
+		},
+	}
 
-	s := types.Secret{Name: "authorized_keys"}
-	body, _ := json.Marshal(s)
-	reader := bytes.NewReader(body)
-	r := httptest.NewRequest(http.MethodPost, "/", reader)
-	_, err := parseSecret(r)
+	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("secret name is valid with no traversal characters")
+		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 Test_parseSecretValidNameWithDot(t *testing.T) {
-
-	s := types.Secret{Name: "authorized.keys"}
-	body, _ := json.Marshal(s)
-	reader := bytes.NewReader(body)
-	r := httptest.NewRequest(http.MethodPost, "/", reader)
-	_, err := parseSecret(r)
-
+func TestListSecrets(t *testing.T) {
+	mountPath, err := os.MkdirTemp("", "test_secret_creation")
 	if err != nil {
-		t.Fatalf("secret name is valid with no traversal characters")
-	}
-}
-
-func Test_parseSecretWithTraversalWithSlash(t *testing.T) {
-
-	s := types.Secret{Name: "/root/.ssh/authorized_keys"}
-	body, _ := json.Marshal(s)
-	reader := bytes.NewReader(body)
-	r := httptest.NewRequest(http.MethodPost, "/", reader)
-	_, err := parseSecret(r)
-
-	if err == nil {
-		t.Fatalf("secret name should fail due to path traversal")
-	}
-}
-
-func Test_parseSecretWithTraversalWithDoubleDot(t *testing.T) {
-
-	s := types.Secret{Name: ".."}
-	body, _ := json.Marshal(s)
-	reader := bytes.NewReader(body)
-	r := httptest.NewRequest(http.MethodPost, "/", reader)
-	_, err := parseSecret(r)
-
-	if err == nil {
-		t.Fatalf("secret name should fail due to path traversal")
+		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)
+			}
+		})
 	}
 }

pkg/provider/handlers/update.go

@@ -13,7 +13,6 @@ import (
 	gocni "github.com/containerd/go-cni"
 	"github.com/openfaas/faas-provider/types"
 
-	faasd "github.com/openfaas/faasd/pkg"
 	"github.com/openfaas/faasd/pkg/cninetwork"
 	"github.com/openfaas/faasd/pkg/service"
 )
@@ -41,8 +40,23 @@ func MakeUpdateHandler(client *containerd.Client, cni gocni.CNI, secretMountPath
 			return
 		}
 		name := req.Service
+		namespace := getRequestNamespace(req.Namespace)
 
-		function, err := GetFunction(client, name)
+		// 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)
@@ -50,12 +64,12 @@ func MakeUpdateHandler(client *containerd.Client, cni gocni.CNI, secretMountPath
 			return
 		}
 
-		err = validateSecrets(secretMountPath, req.Secrets)
+		err = validateSecrets(namespaceSecretMountPath, req.Secrets)
 		if err != nil {
 			http.Error(w, err.Error(), http.StatusBadRequest)
 		}
 
-		ctx := namespaces.WithNamespace(context.Background(), faasd.FunctionNamespace)
+		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)
@@ -78,7 +92,7 @@ func MakeUpdateHandler(client *containerd.Client, cni gocni.CNI, secretMountPath
 		// 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, secretMountPath, pull); err != nil {
+		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

pkg/provider/handlers/utils.go

@@ -0,0 +1,47 @@
+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
+}

pkg/provider/handlers/utils_test.go

@@ -0,0 +1,75 @@
+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)
+			}
+		})
+	}
+}

pkg/provider/labeller.go

@@ -0,0 +1,25 @@
+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
+}

pkg/service/service.go

@@ -33,7 +33,7 @@ func Remove(ctx context.Context, client *containerd.Client, name string) error {
 			if errdefs.IsNotFound(err) {
 				taskFound = false
 			} else {
-				return fmt.Errorf("unable to get task %s: ", err)
+				return fmt.Errorf("unable to get task %w: ", err)
 			}
 		}
 
@@ -47,12 +47,12 @@ func Remove(ctx context.Context, client *containerd.Client, name string) error {
 
 			log.Printf("Need to kill task: %s\n", name)
 			if err = killTask(ctx, t); err != nil {
-				return fmt.Errorf("error killing task %s, %s, %s", container.ID(), name, err)
+				return fmt.Errorf("error killing task %s, %s, %w", container.ID(), name, err)
 			}
 		}
 
 		if err := container.Delete(ctx, containerd.WithSnapshotCleanup); err != nil {
-			return fmt.Errorf("error deleting container %s, %s, %s", container.ID(), name, err)
+			return fmt.Errorf("error deleting container %s, %s, %w", container.ID(), name, err)
 		}
 
 	} else {
@@ -79,9 +79,10 @@ func killTask(ctx context.Context, task containerd.Task) error {
 		if task != nil {
 			wait, err := task.Wait(ctx)
 			if err != nil {
-				err = fmt.Errorf("error waiting on task: %s", err)
+				log.Printf("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)
 			}

pkg/supervisor.go

@@ -8,6 +8,8 @@ import (
 	"os"
 	"path"
 	"sort"
+	"strconv"
+	"strings"
 
 	"github.com/alexellis/k3sup/pkg/env"
 	"github.com/compose-spec/compose-go/loader"
@@ -26,7 +28,8 @@ import (
 )
 
 const (
-	workingDirectoryPermission = 0644
+	// workingDirectoryPermission user read/write/execute, group and others: read-only
+	workingDirectoryPermission = 0744
 )
 
 type Service struct {
@@ -79,7 +82,7 @@ func NewSupervisor(sock string) (*Supervisor, error) {
 }
 
 func (s *Supervisor) Start(svcs []Service) error {
-	ctx := namespaces.WithNamespace(context.Background(), faasdNamespace)
+	ctx := namespaces.WithNamespace(context.Background(), FaasdNamespace)
 
 	wd, _ := os.Getwd()
 
@@ -145,6 +148,28 @@ func (s *Supervisor) Start(svcs []Service) error {
 					Type:        "bind",
 					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)
+							}
+						}
+					}
+				}
 			}
 		}
 
@@ -243,7 +268,7 @@ func (s *Supervisor) Close() {
 }
 
 func (s *Supervisor) Remove(svcs []Service) error {
-	ctx := namespaces.WithNamespace(context.Background(), faasdNamespace)
+	ctx := namespaces.WithNamespace(context.Background(), FaasdNamespace)
 
 	for _, svc := range svcs {
 		err := cninetwork.DeleteCNINetwork(ctx, s.cni, s.client, svc.Name)

vendor/github.com/Microsoft/go-winio/CODEOWNERS

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

vendor/github.com/Microsoft/go-winio/backuptar/noop.go

@@ -0,0 +1,4 @@
+// +build !windows
+// This file only exists to allow go get on non-Windows platforms.
+
+package backuptar

vendor/github.com/Microsoft/go-winio/backuptar/strconv.go

@@ -1,34 +1,16 @@
-// +build windows
-
-/*
-   Copyright The containerd 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 archive
+package backuptar
 
 import (
+	"archive/tar"
+	"fmt"
 	"strconv"
 	"strings"
 	"time"
-
-	"archive/tar"
 )
 
-// Forked from https://github.com/golang/go/blob/master/src/archive/tar/strconv.go
-// as archive/tar doesn't support CreationTime, but does handle PAX time parsing,
-// and there's no need to re-invent the wheel.
+// Functions copied from https://github.com/golang/go/blob/master/src/archive/tar/strconv.go
+// as we need to manage the LIBARCHIVE.creationtime PAXRecord manually.
+// Idea taken from containerd which did the same thing.
 
 // parsePAXTime takes a string of the form %d.%d as described in the PAX
 // specification. Note that this implementation allows for negative timestamps,
@@ -62,7 +44,25 @@ func parsePAXTime(s string) (time.Time, error) {
 	}
 	nsecs, _ := strconv.ParseInt(sn, 10, 64) // Must succeed
 	if len(ss) > 0 && ss[0] == '-' {
-		return time.Unix(secs, -nsecs), nil // Negative correction
+		return time.Unix(secs, -1*nsecs), nil // Negative correction
 	}
 	return time.Unix(secs, nsecs), nil
 }
+
+// formatPAXTime converts ts into a time of the form %d.%d as described in the
+// PAX specification. This function is capable of negative timestamps.
+func formatPAXTime(ts time.Time) (s string) {
+	secs, nsecs := ts.Unix(), ts.Nanosecond()
+	if nsecs == 0 {
+		return strconv.FormatInt(secs, 10)
+	}
+
+	// If seconds is negative, then perform correction.
+	sign := ""
+	if secs < 0 {
+		sign = "-"             // Remember sign
+		secs = -(secs + 1)     // Add a second to secs
+		nsecs = -(nsecs - 1e9) // Take that second away from nsecs
+	}
+	return strings.TrimRight(fmt.Sprintf("%s%d.%09d", sign, secs, nsecs), "0")
+}

vendor/github.com/Microsoft/go-winio/backuptar/tar.go

@@ -0,0 +1,452 @@
+// +build windows
+
+package backuptar
+
+import (
+	"archive/tar"
+	"encoding/base64"
+	"errors"
+	"fmt"
+	"io"
+	"io/ioutil"
+	"path/filepath"
+	"strconv"
+	"strings"
+	"syscall"
+	"time"
+
+	"github.com/Microsoft/go-winio"
+	"golang.org/x/sys/windows"
+)
+
+const (
+	c_ISUID  = 04000   // Set uid
+	c_ISGID  = 02000   // Set gid
+	c_ISVTX  = 01000   // Save text (sticky bit)
+	c_ISDIR  = 040000  // Directory
+	c_ISFIFO = 010000  // FIFO
+	c_ISREG  = 0100000 // Regular file
+	c_ISLNK  = 0120000 // Symbolic link
+	c_ISBLK  = 060000  // Block special file
+	c_ISCHR  = 020000  // Character special file
+	c_ISSOCK = 0140000 // Socket
+)
+
+const (
+	hdrFileAttributes        = "MSWINDOWS.fileattr"
+	hdrSecurityDescriptor    = "MSWINDOWS.sd"
+	hdrRawSecurityDescriptor = "MSWINDOWS.rawsd"
+	hdrMountPoint            = "MSWINDOWS.mountpoint"
+	hdrEaPrefix              = "MSWINDOWS.xattr."
+
+	hdrCreationTime = "LIBARCHIVE.creationtime"
+)
+
+func writeZeroes(w io.Writer, count int64) error {
+	buf := make([]byte, 8192)
+	c := len(buf)
+	for i := int64(0); i < count; i += int64(c) {
+		if int64(c) > count-i {
+			c = int(count - i)
+		}
+		_, err := w.Write(buf[:c])
+		if err != nil {
+			return err
+		}
+	}
+	return nil
+}
+
+func copySparse(t *tar.Writer, br *winio.BackupStreamReader) error {
+	curOffset := int64(0)
+	for {
+		bhdr, err := br.Next()
+		if err == io.EOF {
+			err = io.ErrUnexpectedEOF
+		}
+		if err != nil {
+			return err
+		}
+		if bhdr.Id != winio.BackupSparseBlock {
+			return fmt.Errorf("unexpected stream %d", bhdr.Id)
+		}
+
+		// archive/tar does not support writing sparse files
+		// so just write zeroes to catch up to the current offset.
+		err = writeZeroes(t, bhdr.Offset-curOffset)
+		if bhdr.Size == 0 {
+			break
+		}
+		n, err := io.Copy(t, br)
+		if err != nil {
+			return err
+		}
+		curOffset = bhdr.Offset + n
+	}
+	return nil
+}
+
+// BasicInfoHeader creates a tar header from basic file information.
+func BasicInfoHeader(name string, size int64, fileInfo *winio.FileBasicInfo) *tar.Header {
+	hdr := &tar.Header{
+		Format:     tar.FormatPAX,
+		Name:       filepath.ToSlash(name),
+		Size:       size,
+		Typeflag:   tar.TypeReg,
+		ModTime:    time.Unix(0, fileInfo.LastWriteTime.Nanoseconds()),
+		ChangeTime: time.Unix(0, fileInfo.ChangeTime.Nanoseconds()),
+		AccessTime: time.Unix(0, fileInfo.LastAccessTime.Nanoseconds()),
+		PAXRecords: make(map[string]string),
+	}
+	hdr.PAXRecords[hdrFileAttributes] = fmt.Sprintf("%d", fileInfo.FileAttributes)
+	hdr.PAXRecords[hdrCreationTime] = formatPAXTime(time.Unix(0, fileInfo.CreationTime.Nanoseconds()))
+
+	if (fileInfo.FileAttributes & syscall.FILE_ATTRIBUTE_DIRECTORY) != 0 {
+		hdr.Mode |= c_ISDIR
+		hdr.Size = 0
+		hdr.Typeflag = tar.TypeDir
+	}
+	return hdr
+}
+
+// WriteTarFileFromBackupStream writes a file to a tar writer using data from a Win32 backup stream.
+//
+// This encodes Win32 metadata as tar pax vendor extensions starting with MSWINDOWS.
+//
+// The additional Win32 metadata is:
+//
+// MSWINDOWS.fileattr: The Win32 file attributes, as a decimal value
+//
+// MSWINDOWS.rawsd: The Win32 security descriptor, in raw binary format
+//
+// MSWINDOWS.mountpoint: If present, this is a mount point and not a symlink, even though the type is '2' (symlink)
+func WriteTarFileFromBackupStream(t *tar.Writer, r io.Reader, name string, size int64, fileInfo *winio.FileBasicInfo) error {
+	name = filepath.ToSlash(name)
+	hdr := BasicInfoHeader(name, size, fileInfo)
+
+	// If r can be seeked, then this function is two-pass: pass 1 collects the
+	// tar header data, and pass 2 copies the data stream. If r cannot be
+	// seeked, then some header data (in particular EAs) will be silently lost.
+	var (
+		restartPos int64
+		err        error
+	)
+	sr, readTwice := r.(io.Seeker)
+	if readTwice {
+		if restartPos, err = sr.Seek(0, io.SeekCurrent); err != nil {
+			readTwice = false
+		}
+	}
+
+	br := winio.NewBackupStreamReader(r)
+	var dataHdr *winio.BackupHeader
+	for dataHdr == nil {
+		bhdr, err := br.Next()
+		if err == io.EOF {
+			break
+		}
+		if err != nil {
+			return err
+		}
+		switch bhdr.Id {
+		case winio.BackupData:
+			hdr.Mode |= c_ISREG
+			if !readTwice {
+				dataHdr = bhdr
+			}
+		case winio.BackupSecurity:
+			sd, err := ioutil.ReadAll(br)
+			if err != nil {
+				return err
+			}
+			hdr.PAXRecords[hdrRawSecurityDescriptor] = base64.StdEncoding.EncodeToString(sd)
+
+		case winio.BackupReparseData:
+			hdr.Mode |= c_ISLNK
+			hdr.Typeflag = tar.TypeSymlink
+			reparseBuffer, err := ioutil.ReadAll(br)
+			rp, err := winio.DecodeReparsePoint(reparseBuffer)
+			if err != nil {
+				return err
+			}
+			if rp.IsMountPoint {
+				hdr.PAXRecords[hdrMountPoint] = "1"
+			}
+			hdr.Linkname = rp.Target
+
+		case winio.BackupEaData:
+			eab, err := ioutil.ReadAll(br)
+			if err != nil {
+				return err
+			}
+			eas, err := winio.DecodeExtendedAttributes(eab)
+			if err != nil {
+				return err
+			}
+			for _, ea := range eas {
+				// Use base64 encoding for the binary value. Note that there
+				// is no way to encode the EA's flags, since their use doesn't
+				// make any sense for persisted EAs.
+				hdr.PAXRecords[hdrEaPrefix+ea.Name] = base64.StdEncoding.EncodeToString(ea.Value)
+			}
+
+		case winio.BackupAlternateData, winio.BackupLink, winio.BackupPropertyData, winio.BackupObjectId, winio.BackupTxfsData:
+			// ignore these streams
+		default:
+			return fmt.Errorf("%s: unknown stream ID %d", name, bhdr.Id)
+		}
+	}
+
+	err = t.WriteHeader(hdr)
+	if err != nil {
+		return err
+	}
+
+	if readTwice {
+		// Get back to the data stream.
+		if _, err = sr.Seek(restartPos, io.SeekStart); err != nil {
+			return err
+		}
+		for dataHdr == nil {
+			bhdr, err := br.Next()
+			if err == io.EOF {
+				break
+			}
+			if err != nil {
+				return err
+			}
+			if bhdr.Id == winio.BackupData {
+				dataHdr = bhdr
+			}
+		}
+	}
+
+	if dataHdr != nil {
+		// A data stream was found. Copy the data.
+		if (dataHdr.Attributes & winio.StreamSparseAttributes) == 0 {
+			if size != dataHdr.Size {
+				return fmt.Errorf("%s: mismatch between file size %d and header size %d", name, size, dataHdr.Size)
+			}
+			_, err = io.Copy(t, br)
+			if err != nil {
+				return err
+			}
+		} else {
+			err = copySparse(t, br)
+			if err != nil {
+				return err
+			}
+		}
+	}
+
+	// Look for streams after the data stream. The only ones we handle are alternate data streams.
+	// Other streams may have metadata that could be serialized, but the tar header has already
+	// been written. In practice, this means that we don't get EA or TXF metadata.
+	for {
+		bhdr, err := br.Next()
+		if err == io.EOF {
+			break
+		}
+		if err != nil {
+			return err
+		}
+		switch bhdr.Id {
+		case winio.BackupAlternateData:
+			altName := bhdr.Name
+			if strings.HasSuffix(altName, ":$DATA") {
+				altName = altName[:len(altName)-len(":$DATA")]
+			}
+			if (bhdr.Attributes & winio.StreamSparseAttributes) == 0 {
+				hdr = &tar.Header{
+					Format:     hdr.Format,
+					Name:       name + altName,
+					Mode:       hdr.Mode,
+					Typeflag:   tar.TypeReg,
+					Size:       bhdr.Size,
+					ModTime:    hdr.ModTime,
+					AccessTime: hdr.AccessTime,
+					ChangeTime: hdr.ChangeTime,
+				}
+				err = t.WriteHeader(hdr)
+				if err != nil {
+					return err
+				}
+				_, err = io.Copy(t, br)
+				if err != nil {
+					return err
+				}
+
+			} else {
+				// Unsupported for now, since the size of the alternate stream is not present
+				// in the backup stream until after the data has been read.
+				return errors.New("tar of sparse alternate data streams is unsupported")
+			}
+		case winio.BackupEaData, winio.BackupLink, winio.BackupPropertyData, winio.BackupObjectId, winio.BackupTxfsData:
+			// ignore these streams
+		default:
+			return fmt.Errorf("%s: unknown stream ID %d after data", name, bhdr.Id)
+		}
+	}
+	return nil
+}
+
+// FileInfoFromHeader retrieves basic Win32 file information from a tar header, using the additional metadata written by
+// WriteTarFileFromBackupStream.
+func FileInfoFromHeader(hdr *tar.Header) (name string, size int64, fileInfo *winio.FileBasicInfo, err error) {
+	name = hdr.Name
+	if hdr.Typeflag == tar.TypeReg || hdr.Typeflag == tar.TypeRegA {
+		size = hdr.Size
+	}
+	fileInfo = &winio.FileBasicInfo{
+		LastAccessTime: windows.NsecToFiletime(hdr.AccessTime.UnixNano()),
+		LastWriteTime:  windows.NsecToFiletime(hdr.ModTime.UnixNano()),
+		ChangeTime:     windows.NsecToFiletime(hdr.ChangeTime.UnixNano()),
+		// Default to ModTime, we'll pull hdrCreationTime below if present
+		CreationTime: windows.NsecToFiletime(hdr.ModTime.UnixNano()),
+	}
+	if attrStr, ok := hdr.PAXRecords[hdrFileAttributes]; ok {
+		attr, err := strconv.ParseUint(attrStr, 10, 32)
+		if err != nil {
+			return "", 0, nil, err
+		}
+		fileInfo.FileAttributes = uint32(attr)
+	} else {
+		if hdr.Typeflag == tar.TypeDir {
+			fileInfo.FileAttributes |= syscall.FILE_ATTRIBUTE_DIRECTORY
+		}
+	}
+	if creationTimeStr, ok := hdr.PAXRecords[hdrCreationTime]; ok {
+		creationTime, err := parsePAXTime(creationTimeStr)
+		if err != nil {
+			return "", 0, nil, err
+		}
+		fileInfo.CreationTime = windows.NsecToFiletime(creationTime.UnixNano())
+	}
+	return
+}
+
+// WriteBackupStreamFromTarFile writes a Win32 backup stream from the current tar file. Since this function may process multiple
+// tar file entries in order to collect all the alternate data streams for the file, it returns the next
+// tar file that was not processed, or io.EOF is there are no more.
+func WriteBackupStreamFromTarFile(w io.Writer, t *tar.Reader, hdr *tar.Header) (*tar.Header, error) {
+	bw := winio.NewBackupStreamWriter(w)
+	var sd []byte
+	var err error
+	// Maintaining old SDDL-based behavior for backward compatibility.  All new tar headers written
+	// by this library will have raw binary for the security descriptor.
+	if sddl, ok := hdr.PAXRecords[hdrSecurityDescriptor]; ok {
+		sd, err = winio.SddlToSecurityDescriptor(sddl)
+		if err != nil {
+			return nil, err
+		}
+	}
+	if sdraw, ok := hdr.PAXRecords[hdrRawSecurityDescriptor]; ok {
+		sd, err = base64.StdEncoding.DecodeString(sdraw)
+		if err != nil {
+			return nil, err
+		}
+	}
+	if len(sd) != 0 {
+		bhdr := winio.BackupHeader{
+			Id:   winio.BackupSecurity,
+			Size: int64(len(sd)),
+		}
+		err := bw.WriteHeader(&bhdr)
+		if err != nil {
+			return nil, err
+		}
+		_, err = bw.Write(sd)
+		if err != nil {
+			return nil, err
+		}
+	}
+	var eas []winio.ExtendedAttribute
+	for k, v := range hdr.PAXRecords {
+		if !strings.HasPrefix(k, hdrEaPrefix) {
+			continue
+		}
+		data, err := base64.StdEncoding.DecodeString(v)
+		if err != nil {
+			return nil, err
+		}
+		eas = append(eas, winio.ExtendedAttribute{
+			Name:  k[len(hdrEaPrefix):],
+			Value: data,
+		})
+	}
+	if len(eas) != 0 {
+		eadata, err := winio.EncodeExtendedAttributes(eas)
+		if err != nil {
+			return nil, err
+		}
+		bhdr := winio.BackupHeader{
+			Id:   winio.BackupEaData,
+			Size: int64(len(eadata)),
+		}
+		err = bw.WriteHeader(&bhdr)
+		if err != nil {
+			return nil, err
+		}
+		_, err = bw.Write(eadata)
+		if err != nil {
+			return nil, err
+		}
+	}
+	if hdr.Typeflag == tar.TypeSymlink {
+		_, isMountPoint := hdr.PAXRecords[hdrMountPoint]
+		rp := winio.ReparsePoint{
+			Target:       filepath.FromSlash(hdr.Linkname),
+			IsMountPoint: isMountPoint,
+		}
+		reparse := winio.EncodeReparsePoint(&rp)
+		bhdr := winio.BackupHeader{
+			Id:   winio.BackupReparseData,
+			Size: int64(len(reparse)),
+		}
+		err := bw.WriteHeader(&bhdr)
+		if err != nil {
+			return nil, err
+		}
+		_, err = bw.Write(reparse)
+		if err != nil {
+			return nil, err
+		}
+	}
+	if hdr.Typeflag == tar.TypeReg || hdr.Typeflag == tar.TypeRegA {
+		bhdr := winio.BackupHeader{
+			Id:   winio.BackupData,
+			Size: hdr.Size,
+		}
+		err := bw.WriteHeader(&bhdr)
+		if err != nil {
+			return nil, err
+		}
+		_, err = io.Copy(bw, t)
+		if err != nil {
+			return nil, err
+		}
+	}
+	// Copy all the alternate data streams and return the next non-ADS header.
+	for {
+		ahdr, err := t.Next()
+		if err != nil {
+			return nil, err
+		}
+		if ahdr.Typeflag != tar.TypeReg || !strings.HasPrefix(ahdr.Name, hdr.Name+":") {
+			return ahdr, nil
+		}
+		bhdr := winio.BackupHeader{
+			Id:   winio.BackupAlternateData,
+			Size: ahdr.Size,
+			Name: ahdr.Name[len(hdr.Name):] + ":$DATA",
+		}
+		err = bw.WriteHeader(&bhdr)
+		if err != nil {
+			return nil, err
+		}
+		_, err = io.Copy(bw, t)
+		if err != nil {
+			return nil, err
+		}
+	}
+}

vendor/github.com/Microsoft/go-winio/fileinfo.go

@@ -5,21 +5,14 @@ package winio
 import (
 	"os"
 	"runtime"
-	"syscall"
 	"unsafe"
-)
 
-//sys getFileInformationByHandleEx(h syscall.Handle, class uint32, buffer *byte, size uint32) (err error) = GetFileInformationByHandleEx
-//sys setFileInformationByHandle(h syscall.Handle, class uint32, buffer *byte, size uint32) (err error) = SetFileInformationByHandle
-
-const (
-	fileBasicInfo = 0
-	fileIDInfo    = 0x12
+	"golang.org/x/sys/windows"
 )
 
 // FileBasicInfo contains file access time and file attributes information.
 type FileBasicInfo struct {
-	CreationTime, LastAccessTime, LastWriteTime, ChangeTime syscall.Filetime
+	CreationTime, LastAccessTime, LastWriteTime, ChangeTime windows.Filetime
 	FileAttributes                                          uint32
 	pad                                                     uint32 // padding
 }
@@ -27,7 +20,7 @@ type FileBasicInfo struct {
 // GetFileBasicInfo retrieves times and attributes for a file.
 func GetFileBasicInfo(f *os.File) (*FileBasicInfo, error) {
 	bi := &FileBasicInfo{}
-	if err := getFileInformationByHandleEx(syscall.Handle(f.Fd()), fileBasicInfo, (*byte)(unsafe.Pointer(bi)), uint32(unsafe.Sizeof(*bi))); err != nil {
+	if err := windows.GetFileInformationByHandleEx(windows.Handle(f.Fd()), windows.FileBasicInfo, (*byte)(unsafe.Pointer(bi)), uint32(unsafe.Sizeof(*bi))); err != nil {
 		return nil, &os.PathError{Op: "GetFileInformationByHandleEx", Path: f.Name(), Err: err}
 	}
 	runtime.KeepAlive(f)
@@ -36,13 +29,32 @@ func GetFileBasicInfo(f *os.File) (*FileBasicInfo, error) {
 
 // SetFileBasicInfo sets times and attributes for a file.
 func SetFileBasicInfo(f *os.File, bi *FileBasicInfo) error {
-	if err := setFileInformationByHandle(syscall.Handle(f.Fd()), fileBasicInfo, (*byte)(unsafe.Pointer(bi)), uint32(unsafe.Sizeof(*bi))); err != nil {
+	if err := windows.SetFileInformationByHandle(windows.Handle(f.Fd()), windows.FileBasicInfo, (*byte)(unsafe.Pointer(bi)), uint32(unsafe.Sizeof(*bi))); err != nil {
 		return &os.PathError{Op: "SetFileInformationByHandle", Path: f.Name(), Err: err}
 	}
 	runtime.KeepAlive(f)
 	return nil
 }
 
+// FileStandardInfo contains extended information for the file.
+// FILE_STANDARD_INFO in WinBase.h
+// https://docs.microsoft.com/en-us/windows/win32/api/winbase/ns-winbase-file_standard_info
+type FileStandardInfo struct {
+	AllocationSize, EndOfFile int64
+	NumberOfLinks             uint32
+	DeletePending, Directory  bool
+}
+
+// GetFileStandardInfo retrieves ended information for the file.
+func GetFileStandardInfo(f *os.File) (*FileStandardInfo, error) {
+	si := &FileStandardInfo{}
+	if err := windows.GetFileInformationByHandleEx(windows.Handle(f.Fd()), windows.FileStandardInfo, (*byte)(unsafe.Pointer(si)), uint32(unsafe.Sizeof(*si))); err != nil {
+		return nil, &os.PathError{Op: "GetFileInformationByHandleEx", Path: f.Name(), Err: err}
+	}
+	runtime.KeepAlive(f)
+	return si, nil
+}
+
 // FileIDInfo contains the volume serial number and file ID for a file. This pair should be
 // unique on a system.
 type FileIDInfo struct {
@@ -53,7 +65,7 @@ type FileIDInfo struct {
 // GetFileID retrieves the unique (volume, file ID) pair for a file.
 func GetFileID(f *os.File) (*FileIDInfo, error) {
 	fileID := &FileIDInfo{}
-	if err := getFileInformationByHandleEx(syscall.Handle(f.Fd()), fileIDInfo, (*byte)(unsafe.Pointer(fileID)), uint32(unsafe.Sizeof(*fileID))); err != nil {
+	if err := windows.GetFileInformationByHandleEx(windows.Handle(f.Fd()), windows.FileIdInfo, (*byte)(unsafe.Pointer(fileID)), uint32(unsafe.Sizeof(*fileID))); err != nil {
 		return nil, &os.PathError{Op: "GetFileInformationByHandleEx", Path: f.Name(), Err: err}
 	}
 	runtime.KeepAlive(f)

vendor/github.com/Microsoft/go-winio/go.mod

@@ -3,7 +3,7 @@ module github.com/Microsoft/go-winio
 go 1.12
 
 require (
-	github.com/pkg/errors v0.8.1
-	github.com/sirupsen/logrus v1.4.1
-	golang.org/x/sys v0.0.0-20190507160741-ecd444e8653b
+	github.com/pkg/errors v0.9.1
+	github.com/sirupsen/logrus v1.7.0
+	golang.org/x/sys v0.0.0-20210124154548-22da62e12c0c
 )

vendor/github.com/Microsoft/go-winio/go.sum

@@ -1,16 +1,14 @@
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
-github.com/konsorten/go-windows-terminal-sequences v1.0.1 h1:mweAR1A6xJ3oS2pRaGiHgQ4OO8tzTaLawm8vnODuwDk=
-github.com/konsorten/go-windows-terminal-sequences v1.0.1/go.mod h1:T0+1ngSBFLxvqU3pZ+m/2kptfBszLMUkC4ZK/EgS/cQ=
-github.com/pkg/errors v0.8.1 h1:iURUrRGxPUNPdy5/HRSm+Yj6okJ6UtLINN0Q9M4+h3I=
-github.com/pkg/errors v0.8.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
+github.com/pkg/errors v0.9.1 h1:FEBLx1zS214owpjy7qsBeixbURkuhQAwrK5UwLGTwt4=
+github.com/pkg/errors v0.9.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
-github.com/sirupsen/logrus v1.4.1 h1:GL2rEmy6nsikmW0r8opw9JIRScdMF5hA8cOYLH7In1k=
-github.com/sirupsen/logrus v1.4.1/go.mod h1:ni0Sbl8bgC9z8RoU9G6nDWqqs/fq4eDPysMBDgk/93Q=
-github.com/stretchr/objx v0.1.1/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
+github.com/sirupsen/logrus v1.7.0 h1:ShrD1U9pZB12TX0cVy0DtePoCH97K8EtX+mg7ZARUtM=
+github.com/sirupsen/logrus v1.7.0/go.mod h1:yWOB1SBYBC5VeMP7gHvWumXLIWorT60ONWic61uBYv0=
 github.com/stretchr/testify v1.2.2 h1:bSDNvY7ZPG5RlJ8otE/7V6gMiyenm9RtJ7IUVIAoJ1w=
 github.com/stretchr/testify v1.2.2/go.mod h1:a8OnRcib4nhh0OaRAV+Yts87kKdq0PP7pXfy6kDkUVs=
-golang.org/x/sys v0.0.0-20180905080454-ebe1bf3edb33/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
-golang.org/x/sys v0.0.0-20190507160741-ecd444e8653b h1:ag/x1USPSsqHud38I9BAC88qdNLDHHtQ4mlgQIZPPNA=
-golang.org/x/sys v0.0.0-20190507160741-ecd444e8653b/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20191026070338-33540a1f6037 h1:YyJpGZS1sBuBCzLAR1VEpK193GlqGZbnPFnPV/5Rsb4=
+golang.org/x/sys v0.0.0-20191026070338-33540a1f6037/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20210124154548-22da62e12c0c h1:VwygUrnw9jn88c4u8GD3rZQbqrP/tgas88tPUbBxQrk=
+golang.org/x/sys v0.0.0-20210124154548-22da62e12c0c/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=

vendor/github.com/Microsoft/go-winio/hvsock.go

@@ -1,3 +1,5 @@
+// +build windows
+
 package winio
 
 import (

vendor/github.com/Microsoft/go-winio/pipe.go

@@ -182,13 +182,14 @@ func (s pipeAddress) String() string {
 }
 
 // tryDialPipe attempts to dial the pipe at `path` until `ctx` cancellation or timeout.
-func tryDialPipe(ctx context.Context, path *string) (syscall.Handle, error) {
+func tryDialPipe(ctx context.Context, path *string, access uint32) (syscall.Handle, error) {
 	for {
+
 		select {
 		case <-ctx.Done():
 			return syscall.Handle(0), ctx.Err()
 		default:
-			h, err := createFile(*path, syscall.GENERIC_READ|syscall.GENERIC_WRITE, 0, nil, syscall.OPEN_EXISTING, syscall.FILE_FLAG_OVERLAPPED|cSECURITY_SQOS_PRESENT|cSECURITY_ANONYMOUS, 0)
+			h, err := createFile(*path, access, 0, nil, syscall.OPEN_EXISTING, syscall.FILE_FLAG_OVERLAPPED|cSECURITY_SQOS_PRESENT|cSECURITY_ANONYMOUS, 0)
 			if err == nil {
 				return h, nil
 			}
@@ -197,7 +198,7 @@ func tryDialPipe(ctx context.Context, path *string) (syscall.Handle, error) {
 			}
 			// Wait 10 msec and try again. This is a rather simplistic
 			// view, as we always try each 10 milliseconds.
-			time.Sleep(time.Millisecond * 10)
+			time.Sleep(10 * time.Millisecond)
 		}
 	}
 }
@@ -210,7 +211,7 @@ func DialPipe(path string, timeout *time.Duration) (net.Conn, error) {
 	if timeout != nil {
 		absTimeout = time.Now().Add(*timeout)
 	} else {
-		absTimeout = time.Now().Add(time.Second * 2)
+		absTimeout = time.Now().Add(2 * time.Second)
 	}
 	ctx, _ := context.WithDeadline(context.Background(), absTimeout)
 	conn, err := DialPipeContext(ctx, path)
@@ -223,9 +224,15 @@ func DialPipe(path string, timeout *time.Duration) (net.Conn, error) {
 // DialPipeContext attempts to connect to a named pipe by `path` until `ctx`
 // cancellation or timeout.
 func DialPipeContext(ctx context.Context, path string) (net.Conn, error) {
+	return DialPipeAccess(ctx, path, syscall.GENERIC_READ|syscall.GENERIC_WRITE)
+}
+
+// DialPipeAccess attempts to connect to a named pipe by `path` with `access` until `ctx`
+// cancellation or timeout.
+func DialPipeAccess(ctx context.Context, path string, access uint32) (net.Conn, error) {
 	var err error
 	var h syscall.Handle
-	h, err = tryDialPipe(ctx, &path)
+	h, err = tryDialPipe(ctx, &path, access)
 	if err != nil {
 		return nil, err
 	}
@@ -422,10 +429,10 @@ type PipeConfig struct {
 	// when the pipe is in message mode.
 	MessageMode bool
 
-	// InputBufferSize specifies the size the input buffer, in bytes.
+	// InputBufferSize specifies the size of the input buffer, in bytes.
 	InputBufferSize int32
 
-	// OutputBufferSize specifies the size the input buffer, in bytes.
+	// OutputBufferSize specifies the size of the output buffer, in bytes.
 	OutputBufferSize int32
 }
 

vendor/github.com/Microsoft/go-winio/pkg/guid/guid.go

@@ -1,3 +1,5 @@
+// +build windows
+
 // Package guid provides a GUID type. The backing structure for a GUID is
 // identical to that used by the golang.org/x/sys/windows GUID type.
 // There are two main binary encodings used for a GUID, the big-endian encoding,

vendor/github.com/Microsoft/go-winio/pkg/security/grantvmgroupaccess.go

@@ -0,0 +1,161 @@
+// +build windows
+
+package security
+
+import (
+	"os"
+	"syscall"
+	"unsafe"
+
+	"github.com/pkg/errors"
+)
+
+type (
+	accessMask          uint32
+	accessMode          uint32
+	desiredAccess       uint32
+	inheritMode         uint32
+	objectType          uint32
+	shareMode           uint32
+	securityInformation uint32
+	trusteeForm         uint32
+	trusteeType         uint32
+
+	explicitAccess struct {
+		accessPermissions accessMask
+		accessMode        accessMode
+		inheritance       inheritMode
+		trustee           trustee
+	}
+
+	trustee struct {
+		multipleTrustee          *trustee
+		multipleTrusteeOperation int32
+		trusteeForm              trusteeForm
+		trusteeType              trusteeType
+		name                     uintptr
+	}
+)
+
+const (
+	accessMaskDesiredPermission accessMask = 1 << 31 // GENERIC_READ
+
+	accessModeGrant accessMode = 1
+
+	desiredAccessReadControl desiredAccess = 0x20000
+	desiredAccessWriteDac    desiredAccess = 0x40000
+
+	gvmga = "GrantVmGroupAccess:"
+
+	inheritModeNoInheritance                  inheritMode = 0x0
+	inheritModeSubContainersAndObjectsInherit inheritMode = 0x3
+
+	objectTypeFileObject objectType = 0x1
+
+	securityInformationDACL securityInformation = 0x4
+
+	shareModeRead  shareMode = 0x1
+	shareModeWrite shareMode = 0x2
+
+	sidVmGroup = "S-1-5-83-0"
+
+	trusteeFormIsSid trusteeForm = 0
+
+	trusteeTypeWellKnownGroup trusteeType = 5
+)
+
+// GrantVMGroupAccess sets the DACL for a specified file or directory to
+// include Grant ACE entries for the VM Group SID. This is a golang re-
+// implementation of the same function in vmcompute, just not exported in
+// RS5. Which kind of sucks. Sucks a lot :/
+func GrantVmGroupAccess(name string) error {
+	// Stat (to determine if `name` is a directory).
+	s, err := os.Stat(name)
+	if err != nil {
+		return errors.Wrapf(err, "%s os.Stat %s", gvmga, name)
+	}
+
+	// Get a handle to the file/directory. Must defer Close on success.
+	fd, err := createFile(name, s.IsDir())
+	if err != nil {
+		return err // Already wrapped
+	}
+	defer syscall.CloseHandle(fd)
+
+	// Get the current DACL and Security Descriptor. Must defer LocalFree on success.
+	ot := objectTypeFileObject
+	si := securityInformationDACL
+	sd := uintptr(0)
+	origDACL := uintptr(0)
+	if err := getSecurityInfo(fd, uint32(ot), uint32(si), nil, nil, &origDACL, nil, &sd); err != nil {
+		return errors.Wrapf(err, "%s GetSecurityInfo %s", gvmga, name)
+	}
+	defer syscall.LocalFree((syscall.Handle)(unsafe.Pointer(sd)))
+
+	// Generate a new DACL which is the current DACL with the required ACEs added.
+	// Must defer LocalFree on success.
+	newDACL, err := generateDACLWithAcesAdded(name, s.IsDir(), origDACL)
+	if err != nil {
+		return err // Already wrapped
+	}
+	defer syscall.LocalFree((syscall.Handle)(unsafe.Pointer(newDACL)))
+
+	// And finally use SetSecurityInfo to apply the updated DACL.
+	if err := setSecurityInfo(fd, uint32(ot), uint32(si), uintptr(0), uintptr(0), newDACL, uintptr(0)); err != nil {
+		return errors.Wrapf(err, "%s SetSecurityInfo %s", gvmga, name)
+	}
+
+	return nil
+}
+
+// createFile is a helper function to call [Nt]CreateFile to get a handle to
+// the file or directory.
+func createFile(name string, isDir bool) (syscall.Handle, error) {
+	namep := syscall.StringToUTF16(name)
+	da := uint32(desiredAccessReadControl | desiredAccessWriteDac)
+	sm := uint32(shareModeRead | shareModeWrite)
+	fa := uint32(syscall.FILE_ATTRIBUTE_NORMAL)
+	if isDir {
+		fa = uint32(fa | syscall.FILE_FLAG_BACKUP_SEMANTICS)
+	}
+	fd, err := syscall.CreateFile(&namep[0], da, sm, nil, syscall.OPEN_EXISTING, fa, 0)
+	if err != nil {
+		return 0, errors.Wrapf(err, "%s syscall.CreateFile %s", gvmga, name)
+	}
+	return fd, nil
+}
+
+// generateDACLWithAcesAdded generates a new DACL with the two needed ACEs added.
+// The caller is responsible for LocalFree of the returned DACL on success.
+func generateDACLWithAcesAdded(name string, isDir bool, origDACL uintptr) (uintptr, error) {
+	// Generate pointers to the SIDs based on the string SIDs
+	sid, err := syscall.StringToSid(sidVmGroup)
+	if err != nil {
+		return 0, errors.Wrapf(err, "%s syscall.StringToSid %s %s", gvmga, name, sidVmGroup)
+	}
+
+	inheritance := inheritModeNoInheritance
+	if isDir {
+		inheritance = inheritModeSubContainersAndObjectsInherit
+	}
+
+	eaArray := []explicitAccess{
+		explicitAccess{
+			accessPermissions: accessMaskDesiredPermission,
+			accessMode:        accessModeGrant,
+			inheritance:       inheritance,
+			trustee: trustee{
+				trusteeForm: trusteeFormIsSid,
+				trusteeType: trusteeTypeWellKnownGroup,
+				name:        uintptr(unsafe.Pointer(sid)),
+			},
+		},
+	}
+
+	modifiedDACL := uintptr(0)
+	if err := setEntriesInAcl(uintptr(uint32(1)), uintptr(unsafe.Pointer(&eaArray[0])), origDACL, &modifiedDACL); err != nil {
+		return 0, errors.Wrapf(err, "%s SetEntriesInAcl %s", gvmga, name)
+	}
+
+	return modifiedDACL, nil
+}

vendor/github.com/Microsoft/go-winio/pkg/security/syscall_windows.go

@@ -0,0 +1,7 @@
+package security
+
+//go:generate go run mksyscall_windows.go -output zsyscall_windows.go syscall_windows.go
+
+//sys getSecurityInfo(handle syscall.Handle, objectType uint32, si uint32, ppsidOwner **uintptr, ppsidGroup **uintptr, ppDacl *uintptr, ppSacl *uintptr, ppSecurityDescriptor *uintptr) (err error) [failretval!=0] = advapi32.GetSecurityInfo
+//sys setSecurityInfo(handle syscall.Handle, objectType uint32, si uint32, psidOwner uintptr, psidGroup uintptr, pDacl uintptr, pSacl uintptr) (err error) [failretval!=0] = advapi32.SetSecurityInfo
+//sys setEntriesInAcl(count uintptr, pListOfEEs uintptr, oldAcl uintptr, newAcl *uintptr) (err error) [failretval!=0] = advapi32.SetEntriesInAclW

vendor/github.com/Microsoft/go-winio/pkg/security/zsyscall_windows.go

@@ -0,0 +1,70 @@
+// Code generated by 'go generate'; DO NOT EDIT.
+
+package security
+
+import (
+	"syscall"
+	"unsafe"
+
+	"golang.org/x/sys/windows"
+)
+
+var _ unsafe.Pointer
+
+// Do the interface allocations only once for common
+// Errno values.
+const (
+	errnoERROR_IO_PENDING = 997
+)
+
+var (
+	errERROR_IO_PENDING error = syscall.Errno(errnoERROR_IO_PENDING)
+	errERROR_EINVAL     error = syscall.EINVAL
+)
+
+// errnoErr returns common boxed Errno values, to prevent
+// allocations at runtime.
+func errnoErr(e syscall.Errno) error {
+	switch e {
+	case 0:
+		return errERROR_EINVAL
+	case errnoERROR_IO_PENDING:
+		return errERROR_IO_PENDING
+	}
+	// TODO: add more here, after collecting data on the common
+	// error values see on Windows. (perhaps when running
+	// all.bat?)
+	return e
+}
+
+var (
+	modadvapi32 = windows.NewLazySystemDLL("advapi32.dll")
+
+	procGetSecurityInfo  = modadvapi32.NewProc("GetSecurityInfo")
+	procSetEntriesInAclW = modadvapi32.NewProc("SetEntriesInAclW")
+	procSetSecurityInfo  = modadvapi32.NewProc("SetSecurityInfo")
+)
+
+func getSecurityInfo(handle syscall.Handle, objectType uint32, si uint32, ppsidOwner **uintptr, ppsidGroup **uintptr, ppDacl *uintptr, ppSacl *uintptr, ppSecurityDescriptor *uintptr) (err error) {
+	r1, _, e1 := syscall.Syscall9(procGetSecurityInfo.Addr(), 8, uintptr(handle), uintptr(objectType), uintptr(si), uintptr(unsafe.Pointer(ppsidOwner)), uintptr(unsafe.Pointer(ppsidGroup)), uintptr(unsafe.Pointer(ppDacl)), uintptr(unsafe.Pointer(ppSacl)), uintptr(unsafe.Pointer(ppSecurityDescriptor)), 0)
+	if r1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+func setEntriesInAcl(count uintptr, pListOfEEs uintptr, oldAcl uintptr, newAcl *uintptr) (err error) {
+	r1, _, e1 := syscall.Syscall6(procSetEntriesInAclW.Addr(), 4, uintptr(count), uintptr(pListOfEEs), uintptr(oldAcl), uintptr(unsafe.Pointer(newAcl)), 0, 0)
+	if r1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+func setSecurityInfo(handle syscall.Handle, objectType uint32, si uint32, psidOwner uintptr, psidGroup uintptr, pDacl uintptr, pSacl uintptr) (err error) {
+	r1, _, e1 := syscall.Syscall9(procSetSecurityInfo.Addr(), 7, uintptr(handle), uintptr(objectType), uintptr(si), uintptr(psidOwner), uintptr(psidGroup), uintptr(pDacl), uintptr(pSacl), 0, 0)
+	if r1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}

vendor/github.com/Microsoft/go-winio/syscall.go

@@ -1,3 +1,3 @@
 package winio
 
-//go:generate go run $GOROOT/src/syscall/mksyscall_windows.go -output zsyscall_windows.go file.go pipe.go sd.go fileinfo.go privilege.go backup.go hvsock.go
+//go:generate go run golang.org/x/sys/windows/mkwinsyscall -output zsyscall_windows.go file.go pipe.go sd.go fileinfo.go privilege.go backup.go hvsock.go

vendor/github.com/Microsoft/go-winio/vhd/vhd.go

@@ -0,0 +1,323 @@
+// +build windows
+
+package vhd
+
+import (
+	"fmt"
+	"syscall"
+
+	"github.com/Microsoft/go-winio/pkg/guid"
+	"github.com/pkg/errors"
+	"golang.org/x/sys/windows"
+)
+
+//go:generate go run mksyscall_windows.go -output zvhd_windows.go vhd.go
+
+//sys createVirtualDisk(virtualStorageType *VirtualStorageType, path string, virtualDiskAccessMask uint32, securityDescriptor *uintptr, createVirtualDiskFlags uint32, providerSpecificFlags uint32, parameters *CreateVirtualDiskParameters, overlapped *syscall.Overlapped, handle *syscall.Handle) (err error) [failretval != 0] = virtdisk.CreateVirtualDisk
+//sys openVirtualDisk(virtualStorageType *VirtualStorageType, path string, virtualDiskAccessMask uint32, openVirtualDiskFlags uint32, parameters *OpenVirtualDiskParameters, handle *syscall.Handle) (err error) [failretval != 0] = virtdisk.OpenVirtualDisk
+//sys attachVirtualDisk(handle syscall.Handle, securityDescriptor *uintptr, attachVirtualDiskFlag uint32, providerSpecificFlags uint32, parameters *AttachVirtualDiskParameters, overlapped *syscall.Overlapped) (err error) [failretval != 0] = virtdisk.AttachVirtualDisk
+//sys detachVirtualDisk(handle syscall.Handle, detachVirtualDiskFlags uint32, providerSpecificFlags uint32) (err error) [failretval != 0] = virtdisk.DetachVirtualDisk
+//sys getVirtualDiskPhysicalPath(handle syscall.Handle, diskPathSizeInBytes *uint32, buffer *uint16) (err error) [failretval != 0] = virtdisk.GetVirtualDiskPhysicalPath
+
+type (
+	CreateVirtualDiskFlag uint32
+	VirtualDiskFlag       uint32
+	AttachVirtualDiskFlag uint32
+	DetachVirtualDiskFlag uint32
+	VirtualDiskAccessMask uint32
+)
+
+type VirtualStorageType struct {
+	DeviceID uint32
+	VendorID guid.GUID
+}
+
+type CreateVersion2 struct {
+	UniqueID                 guid.GUID
+	MaximumSize              uint64
+	BlockSizeInBytes         uint32
+	SectorSizeInBytes        uint32
+	PhysicalSectorSizeInByte uint32
+	ParentPath               *uint16 // string
+	SourcePath               *uint16 // string
+	OpenFlags                uint32
+	ParentVirtualStorageType VirtualStorageType
+	SourceVirtualStorageType VirtualStorageType
+	ResiliencyGUID           guid.GUID
+}
+
+type CreateVirtualDiskParameters struct {
+	Version  uint32 // Must always be set to 2
+	Version2 CreateVersion2
+}
+
+type OpenVersion2 struct {
+	GetInfoOnly    bool
+	ReadOnly       bool
+	ResiliencyGUID guid.GUID
+}
+
+type OpenVirtualDiskParameters struct {
+	Version  uint32 // Must always be set to 2
+	Version2 OpenVersion2
+}
+
+type AttachVersion2 struct {
+	RestrictedOffset uint64
+	RestrictedLength uint64
+}
+
+type AttachVirtualDiskParameters struct {
+	Version  uint32 // Must always be set to 2
+	Version2 AttachVersion2
+}
+
+const (
+	VIRTUAL_STORAGE_TYPE_DEVICE_VHDX = 0x3
+
+	// Access Mask for opening a VHD
+	VirtualDiskAccessNone     VirtualDiskAccessMask = 0x00000000
+	VirtualDiskAccessAttachRO VirtualDiskAccessMask = 0x00010000
+	VirtualDiskAccessAttachRW VirtualDiskAccessMask = 0x00020000
+	VirtualDiskAccessDetach   VirtualDiskAccessMask = 0x00040000
+	VirtualDiskAccessGetInfo  VirtualDiskAccessMask = 0x00080000
+	VirtualDiskAccessCreate   VirtualDiskAccessMask = 0x00100000
+	VirtualDiskAccessMetaOps  VirtualDiskAccessMask = 0x00200000
+	VirtualDiskAccessRead     VirtualDiskAccessMask = 0x000d0000
+	VirtualDiskAccessAll      VirtualDiskAccessMask = 0x003f0000
+	VirtualDiskAccessWritable VirtualDiskAccessMask = 0x00320000
+
+	// Flags for creating a VHD
+	CreateVirtualDiskFlagNone                              CreateVirtualDiskFlag = 0x0
+	CreateVirtualDiskFlagFullPhysicalAllocation            CreateVirtualDiskFlag = 0x1
+	CreateVirtualDiskFlagPreventWritesToSourceDisk         CreateVirtualDiskFlag = 0x2
+	CreateVirtualDiskFlagDoNotCopyMetadataFromParent       CreateVirtualDiskFlag = 0x4
+	CreateVirtualDiskFlagCreateBackingStorage              CreateVirtualDiskFlag = 0x8
+	CreateVirtualDiskFlagUseChangeTrackingSourceLimit      CreateVirtualDiskFlag = 0x10
+	CreateVirtualDiskFlagPreserveParentChangeTrackingState CreateVirtualDiskFlag = 0x20
+	CreateVirtualDiskFlagVhdSetUseOriginalBackingStorage   CreateVirtualDiskFlag = 0x40
+	CreateVirtualDiskFlagSparseFile                        CreateVirtualDiskFlag = 0x80
+	CreateVirtualDiskFlagPmemCompatible                    CreateVirtualDiskFlag = 0x100
+	CreateVirtualDiskFlagSupportCompressedVolumes          CreateVirtualDiskFlag = 0x200
+
+	// Flags for opening a VHD
+	OpenVirtualDiskFlagNone                        VirtualDiskFlag = 0x00000000
+	OpenVirtualDiskFlagNoParents                   VirtualDiskFlag = 0x00000001
+	OpenVirtualDiskFlagBlankFile                   VirtualDiskFlag = 0x00000002
+	OpenVirtualDiskFlagBootDrive                   VirtualDiskFlag = 0x00000004
+	OpenVirtualDiskFlagCachedIO                    VirtualDiskFlag = 0x00000008
+	OpenVirtualDiskFlagCustomDiffChain             VirtualDiskFlag = 0x00000010
+	OpenVirtualDiskFlagParentCachedIO              VirtualDiskFlag = 0x00000020
+	OpenVirtualDiskFlagVhdsetFileOnly              VirtualDiskFlag = 0x00000040
+	OpenVirtualDiskFlagIgnoreRelativeParentLocator VirtualDiskFlag = 0x00000080
+	OpenVirtualDiskFlagNoWriteHardening            VirtualDiskFlag = 0x00000100
+	OpenVirtualDiskFlagSupportCompressedVolumes    VirtualDiskFlag = 0x00000200
+
+	// Flags for attaching a VHD
+	AttachVirtualDiskFlagNone                          AttachVirtualDiskFlag = 0x00000000
+	AttachVirtualDiskFlagReadOnly                      AttachVirtualDiskFlag = 0x00000001
+	AttachVirtualDiskFlagNoDriveLetter                 AttachVirtualDiskFlag = 0x00000002
+	AttachVirtualDiskFlagPermanentLifetime             AttachVirtualDiskFlag = 0x00000004
+	AttachVirtualDiskFlagNoLocalHost                   AttachVirtualDiskFlag = 0x00000008
+	AttachVirtualDiskFlagNoSecurityDescriptor          AttachVirtualDiskFlag = 0x00000010
+	AttachVirtualDiskFlagBypassDefaultEncryptionPolicy AttachVirtualDiskFlag = 0x00000020
+	AttachVirtualDiskFlagNonPnp                        AttachVirtualDiskFlag = 0x00000040
+	AttachVirtualDiskFlagRestrictedRange               AttachVirtualDiskFlag = 0x00000080
+	AttachVirtualDiskFlagSinglePartition               AttachVirtualDiskFlag = 0x00000100
+	AttachVirtualDiskFlagRegisterVolume                AttachVirtualDiskFlag = 0x00000200
+
+	// Flags for detaching a VHD
+	DetachVirtualDiskFlagNone DetachVirtualDiskFlag = 0x0
+)
+
+// CreateVhdx is a helper function to create a simple vhdx file at the given path using
+// default values.
+func CreateVhdx(path string, maxSizeInGb, blockSizeInMb uint32) error {
+	params := CreateVirtualDiskParameters{
+		Version: 2,
+		Version2: CreateVersion2{
+			MaximumSize:      uint64(maxSizeInGb) * 1024 * 1024 * 1024,
+			BlockSizeInBytes: blockSizeInMb * 1024 * 1024,
+		},
+	}
+
+	handle, err := CreateVirtualDisk(path, VirtualDiskAccessNone, CreateVirtualDiskFlagNone, &params)
+	if err != nil {
+		return err
+	}
+
+	if err := syscall.CloseHandle(handle); err != nil {
+		return err
+	}
+	return nil
+}
+
+// DetachVirtualDisk detaches a virtual hard disk by handle.
+func DetachVirtualDisk(handle syscall.Handle) (err error) {
+	if err := detachVirtualDisk(handle, 0, 0); err != nil {
+		return errors.Wrap(err, "failed to detach virtual disk")
+	}
+	return nil
+}
+
+// DetachVhd detaches a vhd found at `path`.
+func DetachVhd(path string) error {
+	handle, err := OpenVirtualDisk(
+		path,
+		VirtualDiskAccessNone,
+		OpenVirtualDiskFlagCachedIO|OpenVirtualDiskFlagIgnoreRelativeParentLocator,
+	)
+	if err != nil {
+		return err
+	}
+	defer syscall.CloseHandle(handle)
+	return DetachVirtualDisk(handle)
+}
+
+// AttachVirtualDisk attaches a virtual hard disk for use.
+func AttachVirtualDisk(handle syscall.Handle, attachVirtualDiskFlag AttachVirtualDiskFlag, parameters *AttachVirtualDiskParameters) (err error) {
+	// Supports both version 1 and 2 of the attach parameters as version 2 wasn't present in RS5.
+	if err := attachVirtualDisk(
+		handle,
+		nil,
+		uint32(attachVirtualDiskFlag),
+		0,
+		parameters,
+		nil,
+	); err != nil {
+		return errors.Wrap(err, "failed to attach virtual disk")
+	}
+	return nil
+}
+
+// AttachVhd attaches a virtual hard disk at `path` for use. Attaches using version 2
+// of the ATTACH_VIRTUAL_DISK_PARAMETERS.
+func AttachVhd(path string) (err error) {
+	handle, err := OpenVirtualDisk(
+		path,
+		VirtualDiskAccessNone,
+		OpenVirtualDiskFlagCachedIO|OpenVirtualDiskFlagIgnoreRelativeParentLocator,
+	)
+	if err != nil {
+		return err
+	}
+
+	defer syscall.CloseHandle(handle)
+	params := AttachVirtualDiskParameters{Version: 2}
+	if err := AttachVirtualDisk(
+		handle,
+		AttachVirtualDiskFlagNone,
+		&params,
+	); err != nil {
+		return errors.Wrap(err, "failed to attach virtual disk")
+	}
+	return nil
+}
+
+// OpenVirtualDisk obtains a handle to a VHD opened with supplied access mask and flags.
+func OpenVirtualDisk(vhdPath string, virtualDiskAccessMask VirtualDiskAccessMask, openVirtualDiskFlags VirtualDiskFlag) (syscall.Handle, error) {
+	parameters := OpenVirtualDiskParameters{Version: 2}
+	handle, err := OpenVirtualDiskWithParameters(
+		vhdPath,
+		virtualDiskAccessMask,
+		openVirtualDiskFlags,
+		&parameters,
+	)
+	if err != nil {
+		return 0, err
+	}
+	return handle, nil
+}
+
+// OpenVirtualDiskWithParameters obtains a handle to a VHD opened with supplied access mask, flags and parameters.
+func OpenVirtualDiskWithParameters(vhdPath string, virtualDiskAccessMask VirtualDiskAccessMask, openVirtualDiskFlags VirtualDiskFlag, parameters *OpenVirtualDiskParameters) (syscall.Handle, error) {
+	var (
+		handle      syscall.Handle
+		defaultType VirtualStorageType
+	)
+	if parameters.Version != 2 {
+		return handle, fmt.Errorf("only version 2 VHDs are supported, found version: %d", parameters.Version)
+	}
+	if err := openVirtualDisk(
+		&defaultType,
+		vhdPath,
+		uint32(virtualDiskAccessMask),
+		uint32(openVirtualDiskFlags),
+		parameters,
+		&handle,
+	); err != nil {
+		return 0, errors.Wrap(err, "failed to open virtual disk")
+	}
+	return handle, nil
+}
+
+// CreateVirtualDisk creates a virtual harddisk and returns a handle to the disk.
+func CreateVirtualDisk(path string, virtualDiskAccessMask VirtualDiskAccessMask, createVirtualDiskFlags CreateVirtualDiskFlag, parameters *CreateVirtualDiskParameters) (syscall.Handle, error) {
+	var (
+		handle      syscall.Handle
+		defaultType VirtualStorageType
+	)
+	if parameters.Version != 2 {
+		return handle, fmt.Errorf("only version 2 VHDs are supported, found version: %d", parameters.Version)
+	}
+
+	if err := createVirtualDisk(
+		&defaultType,
+		path,
+		uint32(virtualDiskAccessMask),
+		nil,
+		uint32(createVirtualDiskFlags),
+		0,
+		parameters,
+		nil,
+		&handle,
+	); err != nil {
+		return handle, errors.Wrap(err, "failed to create virtual disk")
+	}
+	return handle, nil
+}
+
+// GetVirtualDiskPhysicalPath takes a handle to a virtual hard disk and returns the physical
+// path of the disk on the machine. This path is in the form \\.\PhysicalDriveX where X is an integer
+// that represents the particular enumeration of the physical disk on the caller's system.
+func GetVirtualDiskPhysicalPath(handle syscall.Handle) (_ string, err error) {
+	var (
+		diskPathSizeInBytes uint32 = 256 * 2 // max path length 256 wide chars
+		diskPhysicalPathBuf [256]uint16
+	)
+	if err := getVirtualDiskPhysicalPath(
+		handle,
+		&diskPathSizeInBytes,
+		&diskPhysicalPathBuf[0],
+	); err != nil {
+		return "", errors.Wrap(err, "failed to get disk physical path")
+	}
+	return windows.UTF16ToString(diskPhysicalPathBuf[:]), nil
+}
+
+// CreateDiffVhd is a helper function to create a differencing virtual disk.
+func CreateDiffVhd(diffVhdPath, baseVhdPath string, blockSizeInMB uint32) error {
+	// Setting `ParentPath` is how to signal to create a differencing disk.
+	createParams := &CreateVirtualDiskParameters{
+		Version: 2,
+		Version2: CreateVersion2{
+			ParentPath:       windows.StringToUTF16Ptr(baseVhdPath),
+			BlockSizeInBytes: blockSizeInMB * 1024 * 1024,
+			OpenFlags:        uint32(OpenVirtualDiskFlagCachedIO),
+		},
+	}
+
+	vhdHandle, err := CreateVirtualDisk(
+		diffVhdPath,
+		VirtualDiskAccessNone,
+		CreateVirtualDiskFlagNone,
+		createParams,
+	)
+	if err != nil {
+		return fmt.Errorf("failed to create differencing vhd: %s", err)
+	}
+	if err := syscall.CloseHandle(vhdHandle); err != nil {
+		return fmt.Errorf("failed to close differencing vhd handle: %s", err)
+	}
+	return nil
+}

vendor/github.com/Microsoft/go-winio/vhd/zvhd_windows.go

@@ -0,0 +1,106 @@
+// Code generated by 'go generate'; DO NOT EDIT.
+
+package vhd
+
+import (
+	"syscall"
+	"unsafe"
+
+	"golang.org/x/sys/windows"
+)
+
+var _ unsafe.Pointer
+
+// Do the interface allocations only once for common
+// Errno values.
+const (
+	errnoERROR_IO_PENDING = 997
+)
+
+var (
+	errERROR_IO_PENDING error = syscall.Errno(errnoERROR_IO_PENDING)
+	errERROR_EINVAL     error = syscall.EINVAL
+)
+
+// errnoErr returns common boxed Errno values, to prevent
+// allocations at runtime.
+func errnoErr(e syscall.Errno) error {
+	switch e {
+	case 0:
+		return errERROR_EINVAL
+	case errnoERROR_IO_PENDING:
+		return errERROR_IO_PENDING
+	}
+	// TODO: add more here, after collecting data on the common
+	// error values see on Windows. (perhaps when running
+	// all.bat?)
+	return e
+}
+
+var (
+	modvirtdisk = windows.NewLazySystemDLL("virtdisk.dll")
+
+	procAttachVirtualDisk          = modvirtdisk.NewProc("AttachVirtualDisk")
+	procCreateVirtualDisk          = modvirtdisk.NewProc("CreateVirtualDisk")
+	procDetachVirtualDisk          = modvirtdisk.NewProc("DetachVirtualDisk")
+	procGetVirtualDiskPhysicalPath = modvirtdisk.NewProc("GetVirtualDiskPhysicalPath")
+	procOpenVirtualDisk            = modvirtdisk.NewProc("OpenVirtualDisk")
+)
+
+func attachVirtualDisk(handle syscall.Handle, securityDescriptor *uintptr, attachVirtualDiskFlag uint32, providerSpecificFlags uint32, parameters *AttachVirtualDiskParameters, overlapped *syscall.Overlapped) (err error) {
+	r1, _, e1 := syscall.Syscall6(procAttachVirtualDisk.Addr(), 6, uintptr(handle), uintptr(unsafe.Pointer(securityDescriptor)), uintptr(attachVirtualDiskFlag), uintptr(providerSpecificFlags), uintptr(unsafe.Pointer(parameters)), uintptr(unsafe.Pointer(overlapped)))
+	if r1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+func createVirtualDisk(virtualStorageType *VirtualStorageType, path string, virtualDiskAccessMask uint32, securityDescriptor *uintptr, createVirtualDiskFlags uint32, providerSpecificFlags uint32, parameters *CreateVirtualDiskParameters, overlapped *syscall.Overlapped, handle *syscall.Handle) (err error) {
+	var _p0 *uint16
+	_p0, err = syscall.UTF16PtrFromString(path)
+	if err != nil {
+		return
+	}
+	return _createVirtualDisk(virtualStorageType, _p0, virtualDiskAccessMask, securityDescriptor, createVirtualDiskFlags, providerSpecificFlags, parameters, overlapped, handle)
+}
+
+func _createVirtualDisk(virtualStorageType *VirtualStorageType, path *uint16, virtualDiskAccessMask uint32, securityDescriptor *uintptr, createVirtualDiskFlags uint32, providerSpecificFlags uint32, parameters *CreateVirtualDiskParameters, overlapped *syscall.Overlapped, handle *syscall.Handle) (err error) {
+	r1, _, e1 := syscall.Syscall9(procCreateVirtualDisk.Addr(), 9, uintptr(unsafe.Pointer(virtualStorageType)), uintptr(unsafe.Pointer(path)), uintptr(virtualDiskAccessMask), uintptr(unsafe.Pointer(securityDescriptor)), uintptr(createVirtualDiskFlags), uintptr(providerSpecificFlags), uintptr(unsafe.Pointer(parameters)), uintptr(unsafe.Pointer(overlapped)), uintptr(unsafe.Pointer(handle)))
+	if r1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+func detachVirtualDisk(handle syscall.Handle, detachVirtualDiskFlags uint32, providerSpecificFlags uint32) (err error) {
+	r1, _, e1 := syscall.Syscall(procDetachVirtualDisk.Addr(), 3, uintptr(handle), uintptr(detachVirtualDiskFlags), uintptr(providerSpecificFlags))
+	if r1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+func getVirtualDiskPhysicalPath(handle syscall.Handle, diskPathSizeInBytes *uint32, buffer *uint16) (err error) {
+	r1, _, e1 := syscall.Syscall(procGetVirtualDiskPhysicalPath.Addr(), 3, uintptr(handle), uintptr(unsafe.Pointer(diskPathSizeInBytes)), uintptr(unsafe.Pointer(buffer)))
+	if r1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+func openVirtualDisk(virtualStorageType *VirtualStorageType, path string, virtualDiskAccessMask uint32, openVirtualDiskFlags uint32, parameters *OpenVirtualDiskParameters, handle *syscall.Handle) (err error) {
+	var _p0 *uint16
+	_p0, err = syscall.UTF16PtrFromString(path)
+	if err != nil {
+		return
+	}
+	return _openVirtualDisk(virtualStorageType, _p0, virtualDiskAccessMask, openVirtualDiskFlags, parameters, handle)
+}
+
+func _openVirtualDisk(virtualStorageType *VirtualStorageType, path *uint16, virtualDiskAccessMask uint32, openVirtualDiskFlags uint32, parameters *OpenVirtualDiskParameters, handle *syscall.Handle) (err error) {
+	r1, _, e1 := syscall.Syscall6(procOpenVirtualDisk.Addr(), 6, uintptr(unsafe.Pointer(virtualStorageType)), uintptr(unsafe.Pointer(path)), uintptr(virtualDiskAccessMask), uintptr(openVirtualDiskFlags), uintptr(unsafe.Pointer(parameters)), uintptr(unsafe.Pointer(handle)))
+	if r1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}

vendor/github.com/Microsoft/go-winio/zsyscall_windows.go

@@ -19,6 +19,7 @@ const (
 
 var (
 	errERROR_IO_PENDING error = syscall.Errno(errnoERROR_IO_PENDING)
+	errERROR_EINVAL     error = syscall.EINVAL
 )
 
 // errnoErr returns common boxed Errno values, to prevent
@@ -26,7 +27,7 @@ var (
 func errnoErr(e syscall.Errno) error {
 	switch e {
 	case 0:
-		return nil
+		return errERROR_EINVAL
 	case errnoERROR_IO_PENDING:
 		return errERROR_IO_PENDING
 	}
@@ -37,243 +38,62 @@ func errnoErr(e syscall.Errno) error {
 }
 
 var (
-	modkernel32 = windows.NewLazySystemDLL("kernel32.dll")
-	modws2_32   = windows.NewLazySystemDLL("ws2_32.dll")
-	modntdll    = windows.NewLazySystemDLL("ntdll.dll")
 	modadvapi32 = windows.NewLazySystemDLL("advapi32.dll")
+	modkernel32 = windows.NewLazySystemDLL("kernel32.dll")
+	modntdll    = windows.NewLazySystemDLL("ntdll.dll")
+	modws2_32   = windows.NewLazySystemDLL("ws2_32.dll")
 
-	procCancelIoEx                                           = modkernel32.NewProc("CancelIoEx")
-	procCreateIoCompletionPort                               = modkernel32.NewProc("CreateIoCompletionPort")
-	procGetQueuedCompletionStatus                            = modkernel32.NewProc("GetQueuedCompletionStatus")
-	procSetFileCompletionNotificationModes                   = modkernel32.NewProc("SetFileCompletionNotificationModes")
-	procWSAGetOverlappedResult                               = modws2_32.NewProc("WSAGetOverlappedResult")
-	procConnectNamedPipe                                     = modkernel32.NewProc("ConnectNamedPipe")
-	procCreateNamedPipeW                                     = modkernel32.NewProc("CreateNamedPipeW")
-	procCreateFileW                                          = modkernel32.NewProc("CreateFileW")
-	procGetNamedPipeInfo                                     = modkernel32.NewProc("GetNamedPipeInfo")
-	procGetNamedPipeHandleStateW                             = modkernel32.NewProc("GetNamedPipeHandleStateW")
-	procLocalAlloc                                           = modkernel32.NewProc("LocalAlloc")
-	procNtCreateNamedPipeFile                                = modntdll.NewProc("NtCreateNamedPipeFile")
-	procRtlNtStatusToDosErrorNoTeb                           = modntdll.NewProc("RtlNtStatusToDosErrorNoTeb")
-	procRtlDosPathNameToNtPathName_U                         = modntdll.NewProc("RtlDosPathNameToNtPathName_U")
-	procRtlDefaultNpAcl                                      = modntdll.NewProc("RtlDefaultNpAcl")
-	procLookupAccountNameW                                   = modadvapi32.NewProc("LookupAccountNameW")
+	procAdjustTokenPrivileges                                = modadvapi32.NewProc("AdjustTokenPrivileges")
+	procConvertSecurityDescriptorToStringSecurityDescriptorW = modadvapi32.NewProc("ConvertSecurityDescriptorToStringSecurityDescriptorW")
 	procConvertSidToStringSidW                               = modadvapi32.NewProc("ConvertSidToStringSidW")
 	procConvertStringSecurityDescriptorToSecurityDescriptorW = modadvapi32.NewProc("ConvertStringSecurityDescriptorToSecurityDescriptorW")
-	procConvertSecurityDescriptorToStringSecurityDescriptorW = modadvapi32.NewProc("ConvertSecurityDescriptorToStringSecurityDescriptorW")
-	procLocalFree                                            = modkernel32.NewProc("LocalFree")
 	procGetSecurityDescriptorLength                          = modadvapi32.NewProc("GetSecurityDescriptorLength")
-	procGetFileInformationByHandleEx                         = modkernel32.NewProc("GetFileInformationByHandleEx")
-	procSetFileInformationByHandle                           = modkernel32.NewProc("SetFileInformationByHandle")
-	procAdjustTokenPrivileges                                = modadvapi32.NewProc("AdjustTokenPrivileges")
 	procImpersonateSelf                                      = modadvapi32.NewProc("ImpersonateSelf")
-	procRevertToSelf                                         = modadvapi32.NewProc("RevertToSelf")
-	procOpenThreadToken                                      = modadvapi32.NewProc("OpenThreadToken")
-	procGetCurrentThread                                     = modkernel32.NewProc("GetCurrentThread")
-	procLookupPrivilegeValueW                                = modadvapi32.NewProc("LookupPrivilegeValueW")
-	procLookupPrivilegeNameW                                 = modadvapi32.NewProc("LookupPrivilegeNameW")
+	procLookupAccountNameW                                   = modadvapi32.NewProc("LookupAccountNameW")
 	procLookupPrivilegeDisplayNameW                          = modadvapi32.NewProc("LookupPrivilegeDisplayNameW")
+	procLookupPrivilegeNameW                                 = modadvapi32.NewProc("LookupPrivilegeNameW")
+	procLookupPrivilegeValueW                                = modadvapi32.NewProc("LookupPrivilegeValueW")
+	procOpenThreadToken                                      = modadvapi32.NewProc("OpenThreadToken")
+	procRevertToSelf                                         = modadvapi32.NewProc("RevertToSelf")
 	procBackupRead                                           = modkernel32.NewProc("BackupRead")
 	procBackupWrite                                          = modkernel32.NewProc("BackupWrite")
+	procCancelIoEx                                           = modkernel32.NewProc("CancelIoEx")
+	procConnectNamedPipe                                     = modkernel32.NewProc("ConnectNamedPipe")
+	procCreateFileW                                          = modkernel32.NewProc("CreateFileW")
+	procCreateIoCompletionPort                               = modkernel32.NewProc("CreateIoCompletionPort")
+	procCreateNamedPipeW                                     = modkernel32.NewProc("CreateNamedPipeW")
+	procGetCurrentThread                                     = modkernel32.NewProc("GetCurrentThread")
+	procGetNamedPipeHandleStateW                             = modkernel32.NewProc("GetNamedPipeHandleStateW")
+	procGetNamedPipeInfo                                     = modkernel32.NewProc("GetNamedPipeInfo")
+	procGetQueuedCompletionStatus                            = modkernel32.NewProc("GetQueuedCompletionStatus")
+	procLocalAlloc                                           = modkernel32.NewProc("LocalAlloc")
+	procLocalFree                                            = modkernel32.NewProc("LocalFree")
+	procSetFileCompletionNotificationModes                   = modkernel32.NewProc("SetFileCompletionNotificationModes")
+	procNtCreateNamedPipeFile                                = modntdll.NewProc("NtCreateNamedPipeFile")
+	procRtlDefaultNpAcl                                      = modntdll.NewProc("RtlDefaultNpAcl")
+	procRtlDosPathNameToNtPathName_U                         = modntdll.NewProc("RtlDosPathNameToNtPathName_U")
+	procRtlNtStatusToDosErrorNoTeb                           = modntdll.NewProc("RtlNtStatusToDosErrorNoTeb")
+	procWSAGetOverlappedResult                               = modws2_32.NewProc("WSAGetOverlappedResult")
 	procbind                                                 = modws2_32.NewProc("bind")
 )
 
-func cancelIoEx(file syscall.Handle, o *syscall.Overlapped) (err error) {
-	r1, _, e1 := syscall.Syscall(procCancelIoEx.Addr(), 2, uintptr(file), uintptr(unsafe.Pointer(o)), 0)
-	if r1 == 0 {
-		if e1 != 0 {
-			err = errnoErr(e1)
-		} else {
-			err = syscall.EINVAL
-		}
-	}
-	return
-}
-
-func createIoCompletionPort(file syscall.Handle, port syscall.Handle, key uintptr, threadCount uint32) (newport syscall.Handle, err error) {
-	r0, _, e1 := syscall.Syscall6(procCreateIoCompletionPort.Addr(), 4, uintptr(file), uintptr(port), uintptr(key), uintptr(threadCount), 0, 0)
-	newport = syscall.Handle(r0)
-	if newport == 0 {
-		if e1 != 0 {
-			err = errnoErr(e1)
-		} else {
-			err = syscall.EINVAL
-		}
-	}
-	return
-}
-
-func getQueuedCompletionStatus(port syscall.Handle, bytes *uint32, key *uintptr, o **ioOperation, timeout uint32) (err error) {
-	r1, _, e1 := syscall.Syscall6(procGetQueuedCompletionStatus.Addr(), 5, uintptr(port), uintptr(unsafe.Pointer(bytes)), uintptr(unsafe.Pointer(key)), uintptr(unsafe.Pointer(o)), uintptr(timeout), 0)
-	if r1 == 0 {
-		if e1 != 0 {
-			err = errnoErr(e1)
-		} else {
-			err = syscall.EINVAL
-		}
-	}
-	return
-}
-
-func setFileCompletionNotificationModes(h syscall.Handle, flags uint8) (err error) {
-	r1, _, e1 := syscall.Syscall(procSetFileCompletionNotificationModes.Addr(), 2, uintptr(h), uintptr(flags), 0)
-	if r1 == 0 {
-		if e1 != 0 {
-			err = errnoErr(e1)
-		} else {
-			err = syscall.EINVAL
-		}
-	}
-	return
-}
-
-func wsaGetOverlappedResult(h syscall.Handle, o *syscall.Overlapped, bytes *uint32, wait bool, flags *uint32) (err error) {
+func adjustTokenPrivileges(token windows.Token, releaseAll bool, input *byte, outputSize uint32, output *byte, requiredSize *uint32) (success bool, err error) {
 	var _p0 uint32
-	if wait {
+	if releaseAll {
 		_p0 = 1
-	} else {
-		_p0 = 0
 	}
-	r1, _, e1 := syscall.Syscall6(procWSAGetOverlappedResult.Addr(), 5, uintptr(h), uintptr(unsafe.Pointer(o)), uintptr(unsafe.Pointer(bytes)), uintptr(_p0), uintptr(unsafe.Pointer(flags)), 0)
+	r0, _, e1 := syscall.Syscall6(procAdjustTokenPrivileges.Addr(), 6, uintptr(token), uintptr(_p0), uintptr(unsafe.Pointer(input)), uintptr(outputSize), uintptr(unsafe.Pointer(output)), uintptr(unsafe.Pointer(requiredSize)))
+	success = r0 != 0
+	if true {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+func convertSecurityDescriptorToStringSecurityDescriptor(sd *byte, revision uint32, secInfo uint32, sddl **uint16, sddlSize *uint32) (err error) {
+	r1, _, e1 := syscall.Syscall6(procConvertSecurityDescriptorToStringSecurityDescriptorW.Addr(), 5, uintptr(unsafe.Pointer(sd)), uintptr(revision), uintptr(secInfo), uintptr(unsafe.Pointer(sddl)), uintptr(unsafe.Pointer(sddlSize)), 0)
 	if r1 == 0 {
-		if e1 != 0 {
-			err = errnoErr(e1)
-		} else {
-			err = syscall.EINVAL
-		}
-	}
-	return
-}
-
-func connectNamedPipe(pipe syscall.Handle, o *syscall.Overlapped) (err error) {
-	r1, _, e1 := syscall.Syscall(procConnectNamedPipe.Addr(), 2, uintptr(pipe), uintptr(unsafe.Pointer(o)), 0)
-	if r1 == 0 {
-		if e1 != 0 {
-			err = errnoErr(e1)
-		} else {
-			err = syscall.EINVAL
-		}
-	}
-	return
-}
-
-func createNamedPipe(name string, flags uint32, pipeMode uint32, maxInstances uint32, outSize uint32, inSize uint32, defaultTimeout uint32, sa *syscall.SecurityAttributes) (handle syscall.Handle, err error) {
-	var _p0 *uint16
-	_p0, err = syscall.UTF16PtrFromString(name)
-	if err != nil {
-		return
-	}
-	return _createNamedPipe(_p0, flags, pipeMode, maxInstances, outSize, inSize, defaultTimeout, sa)
-}
-
-func _createNamedPipe(name *uint16, flags uint32, pipeMode uint32, maxInstances uint32, outSize uint32, inSize uint32, defaultTimeout uint32, sa *syscall.SecurityAttributes) (handle syscall.Handle, err error) {
-	r0, _, e1 := syscall.Syscall9(procCreateNamedPipeW.Addr(), 8, uintptr(unsafe.Pointer(name)), uintptr(flags), uintptr(pipeMode), uintptr(maxInstances), uintptr(outSize), uintptr(inSize), uintptr(defaultTimeout), uintptr(unsafe.Pointer(sa)), 0)
-	handle = syscall.Handle(r0)
-	if handle == syscall.InvalidHandle {
-		if e1 != 0 {
-			err = errnoErr(e1)
-		} else {
-			err = syscall.EINVAL
-		}
-	}
-	return
-}
-
-func createFile(name string, access uint32, mode uint32, sa *syscall.SecurityAttributes, createmode uint32, attrs uint32, templatefile syscall.Handle) (handle syscall.Handle, err error) {
-	var _p0 *uint16
-	_p0, err = syscall.UTF16PtrFromString(name)
-	if err != nil {
-		return
-	}
-	return _createFile(_p0, access, mode, sa, createmode, attrs, templatefile)
-}
-
-func _createFile(name *uint16, access uint32, mode uint32, sa *syscall.SecurityAttributes, createmode uint32, attrs uint32, templatefile syscall.Handle) (handle syscall.Handle, err error) {
-	r0, _, e1 := syscall.Syscall9(procCreateFileW.Addr(), 7, uintptr(unsafe.Pointer(name)), uintptr(access), uintptr(mode), uintptr(unsafe.Pointer(sa)), uintptr(createmode), uintptr(attrs), uintptr(templatefile), 0, 0)
-	handle = syscall.Handle(r0)
-	if handle == syscall.InvalidHandle {
-		if e1 != 0 {
-			err = errnoErr(e1)
-		} else {
-			err = syscall.EINVAL
-		}
-	}
-	return
-}
-
-func getNamedPipeInfo(pipe syscall.Handle, flags *uint32, outSize *uint32, inSize *uint32, maxInstances *uint32) (err error) {
-	r1, _, e1 := syscall.Syscall6(procGetNamedPipeInfo.Addr(), 5, uintptr(pipe), uintptr(unsafe.Pointer(flags)), uintptr(unsafe.Pointer(outSize)), uintptr(unsafe.Pointer(inSize)), uintptr(unsafe.Pointer(maxInstances)), 0)
-	if r1 == 0 {
-		if e1 != 0 {
-			err = errnoErr(e1)
-		} else {
-			err = syscall.EINVAL
-		}
-	}
-	return
-}
-
-func getNamedPipeHandleState(pipe syscall.Handle, state *uint32, curInstances *uint32, maxCollectionCount *uint32, collectDataTimeout *uint32, userName *uint16, maxUserNameSize uint32) (err error) {
-	r1, _, e1 := syscall.Syscall9(procGetNamedPipeHandleStateW.Addr(), 7, uintptr(pipe), uintptr(unsafe.Pointer(state)), uintptr(unsafe.Pointer(curInstances)), uintptr(unsafe.Pointer(maxCollectionCount)), uintptr(unsafe.Pointer(collectDataTimeout)), uintptr(unsafe.Pointer(userName)), uintptr(maxUserNameSize), 0, 0)
-	if r1 == 0 {
-		if e1 != 0 {
-			err = errnoErr(e1)
-		} else {
-			err = syscall.EINVAL
-		}
-	}
-	return
-}
-
-func localAlloc(uFlags uint32, length uint32) (ptr uintptr) {
-	r0, _, _ := syscall.Syscall(procLocalAlloc.Addr(), 2, uintptr(uFlags), uintptr(length), 0)
-	ptr = uintptr(r0)
-	return
-}
-
-func ntCreateNamedPipeFile(pipe *syscall.Handle, access uint32, oa *objectAttributes, iosb *ioStatusBlock, share uint32, disposition uint32, options uint32, typ uint32, readMode uint32, completionMode uint32, maxInstances uint32, inboundQuota uint32, outputQuota uint32, timeout *int64) (status ntstatus) {
-	r0, _, _ := syscall.Syscall15(procNtCreateNamedPipeFile.Addr(), 14, uintptr(unsafe.Pointer(pipe)), uintptr(access), uintptr(unsafe.Pointer(oa)), uintptr(unsafe.Pointer(iosb)), uintptr(share), uintptr(disposition), uintptr(options), uintptr(typ), uintptr(readMode), uintptr(completionMode), uintptr(maxInstances), uintptr(inboundQuota), uintptr(outputQuota), uintptr(unsafe.Pointer(timeout)), 0)
-	status = ntstatus(r0)
-	return
-}
-
-func rtlNtStatusToDosError(status ntstatus) (winerr error) {
-	r0, _, _ := syscall.Syscall(procRtlNtStatusToDosErrorNoTeb.Addr(), 1, uintptr(status), 0, 0)
-	if r0 != 0 {
-		winerr = syscall.Errno(r0)
-	}
-	return
-}
-
-func rtlDosPathNameToNtPathName(name *uint16, ntName *unicodeString, filePart uintptr, reserved uintptr) (status ntstatus) {
-	r0, _, _ := syscall.Syscall6(procRtlDosPathNameToNtPathName_U.Addr(), 4, uintptr(unsafe.Pointer(name)), uintptr(unsafe.Pointer(ntName)), uintptr(filePart), uintptr(reserved), 0, 0)
-	status = ntstatus(r0)
-	return
-}
-
-func rtlDefaultNpAcl(dacl *uintptr) (status ntstatus) {
-	r0, _, _ := syscall.Syscall(procRtlDefaultNpAcl.Addr(), 1, uintptr(unsafe.Pointer(dacl)), 0, 0)
-	status = ntstatus(r0)
-	return
-}
-
-func lookupAccountName(systemName *uint16, accountName string, sid *byte, sidSize *uint32, refDomain *uint16, refDomainSize *uint32, sidNameUse *uint32) (err error) {
-	var _p0 *uint16
-	_p0, err = syscall.UTF16PtrFromString(accountName)
-	if err != nil {
-		return
-	}
-	return _lookupAccountName(systemName, _p0, sid, sidSize, refDomain, refDomainSize, sidNameUse)
-}
-
-func _lookupAccountName(systemName *uint16, accountName *uint16, sid *byte, sidSize *uint32, refDomain *uint16, refDomainSize *uint32, sidNameUse *uint32) (err error) {
-	r1, _, e1 := syscall.Syscall9(procLookupAccountNameW.Addr(), 7, uintptr(unsafe.Pointer(systemName)), uintptr(unsafe.Pointer(accountName)), uintptr(unsafe.Pointer(sid)), uintptr(unsafe.Pointer(sidSize)), uintptr(unsafe.Pointer(refDomain)), uintptr(unsafe.Pointer(refDomainSize)), uintptr(unsafe.Pointer(sidNameUse)), 0, 0)
-	if r1 == 0 {
-		if e1 != 0 {
-			err = errnoErr(e1)
-		} else {
-			err = syscall.EINVAL
-		}
+		err = errnoErr(e1)
 	}
 	return
 }
@@ -281,11 +101,7 @@ func _lookupAccountName(systemName *uint16, accountName *uint16, sid *byte, sidS
 func convertSidToStringSid(sid *byte, str **uint16) (err error) {
 	r1, _, e1 := syscall.Syscall(procConvertSidToStringSidW.Addr(), 2, uintptr(unsafe.Pointer(sid)), uintptr(unsafe.Pointer(str)), 0)
 	if r1 == 0 {
-		if e1 != 0 {
-			err = errnoErr(e1)
-		} else {
-			err = syscall.EINVAL
-		}
+		err = errnoErr(e1)
 	}
 	return
 }
@@ -302,126 +118,73 @@ func convertStringSecurityDescriptorToSecurityDescriptor(str string, revision ui
 func _convertStringSecurityDescriptorToSecurityDescriptor(str *uint16, revision uint32, sd *uintptr, size *uint32) (err error) {
 	r1, _, e1 := syscall.Syscall6(procConvertStringSecurityDescriptorToSecurityDescriptorW.Addr(), 4, uintptr(unsafe.Pointer(str)), uintptr(revision), uintptr(unsafe.Pointer(sd)), uintptr(unsafe.Pointer(size)), 0, 0)
 	if r1 == 0 {
-		if e1 != 0 {
-			err = errnoErr(e1)
-		} else {
-			err = syscall.EINVAL
-		}
+		err = errnoErr(e1)
 	}
 	return
 }
 
-func convertSecurityDescriptorToStringSecurityDescriptor(sd *byte, revision uint32, secInfo uint32, sddl **uint16, sddlSize *uint32) (err error) {
-	r1, _, e1 := syscall.Syscall6(procConvertSecurityDescriptorToStringSecurityDescriptorW.Addr(), 5, uintptr(unsafe.Pointer(sd)), uintptr(revision), uintptr(secInfo), uintptr(unsafe.Pointer(sddl)), uintptr(unsafe.Pointer(sddlSize)), 0)
-	if r1 == 0 {
-		if e1 != 0 {
-			err = errnoErr(e1)
-		} else {
-			err = syscall.EINVAL
-		}
-	}
-	return
-}
-
-func localFree(mem uintptr) {
-	syscall.Syscall(procLocalFree.Addr(), 1, uintptr(mem), 0, 0)
-	return
-}
-
 func getSecurityDescriptorLength(sd uintptr) (len uint32) {
 	r0, _, _ := syscall.Syscall(procGetSecurityDescriptorLength.Addr(), 1, uintptr(sd), 0, 0)
 	len = uint32(r0)
 	return
 }
 
-func getFileInformationByHandleEx(h syscall.Handle, class uint32, buffer *byte, size uint32) (err error) {
-	r1, _, e1 := syscall.Syscall6(procGetFileInformationByHandleEx.Addr(), 4, uintptr(h), uintptr(class), uintptr(unsafe.Pointer(buffer)), uintptr(size), 0, 0)
-	if r1 == 0 {
-		if e1 != 0 {
-			err = errnoErr(e1)
-		} else {
-			err = syscall.EINVAL
-		}
-	}
-	return
-}
-
-func setFileInformationByHandle(h syscall.Handle, class uint32, buffer *byte, size uint32) (err error) {
-	r1, _, e1 := syscall.Syscall6(procSetFileInformationByHandle.Addr(), 4, uintptr(h), uintptr(class), uintptr(unsafe.Pointer(buffer)), uintptr(size), 0, 0)
-	if r1 == 0 {
-		if e1 != 0 {
-			err = errnoErr(e1)
-		} else {
-			err = syscall.EINVAL
-		}
-	}
-	return
-}
-
-func adjustTokenPrivileges(token windows.Token, releaseAll bool, input *byte, outputSize uint32, output *byte, requiredSize *uint32) (success bool, err error) {
-	var _p0 uint32
-	if releaseAll {
-		_p0 = 1
-	} else {
-		_p0 = 0
-	}
-	r0, _, e1 := syscall.Syscall6(procAdjustTokenPrivileges.Addr(), 6, uintptr(token), uintptr(_p0), uintptr(unsafe.Pointer(input)), uintptr(outputSize), uintptr(unsafe.Pointer(output)), uintptr(unsafe.Pointer(requiredSize)))
-	success = r0 != 0
-	if true {
-		if e1 != 0 {
-			err = errnoErr(e1)
-		} else {
-			err = syscall.EINVAL
-		}
-	}
-	return
-}
-
 func impersonateSelf(level uint32) (err error) {
 	r1, _, e1 := syscall.Syscall(procImpersonateSelf.Addr(), 1, uintptr(level), 0, 0)
 	if r1 == 0 {
-		if e1 != 0 {
-			err = errnoErr(e1)
-		} else {
-			err = syscall.EINVAL
-		}
+		err = errnoErr(e1)
 	}
 	return
 }
 
-func revertToSelf() (err error) {
-	r1, _, e1 := syscall.Syscall(procRevertToSelf.Addr(), 0, 0, 0, 0)
+func lookupAccountName(systemName *uint16, accountName string, sid *byte, sidSize *uint32, refDomain *uint16, refDomainSize *uint32, sidNameUse *uint32) (err error) {
+	var _p0 *uint16
+	_p0, err = syscall.UTF16PtrFromString(accountName)
+	if err != nil {
+		return
+	}
+	return _lookupAccountName(systemName, _p0, sid, sidSize, refDomain, refDomainSize, sidNameUse)
+}
+
+func _lookupAccountName(systemName *uint16, accountName *uint16, sid *byte, sidSize *uint32, refDomain *uint16, refDomainSize *uint32, sidNameUse *uint32) (err error) {
+	r1, _, e1 := syscall.Syscall9(procLookupAccountNameW.Addr(), 7, uintptr(unsafe.Pointer(systemName)), uintptr(unsafe.Pointer(accountName)), uintptr(unsafe.Pointer(sid)), uintptr(unsafe.Pointer(sidSize)), uintptr(unsafe.Pointer(refDomain)), uintptr(unsafe.Pointer(refDomainSize)), uintptr(unsafe.Pointer(sidNameUse)), 0, 0)
 	if r1 == 0 {
-		if e1 != 0 {
-			err = errnoErr(e1)
-		} else {
-			err = syscall.EINVAL
-		}
+		err = errnoErr(e1)
 	}
 	return
 }
 
-func openThreadToken(thread syscall.Handle, accessMask uint32, openAsSelf bool, token *windows.Token) (err error) {
-	var _p0 uint32
-	if openAsSelf {
-		_p0 = 1
-	} else {
-		_p0 = 0
+func lookupPrivilegeDisplayName(systemName string, name *uint16, buffer *uint16, size *uint32, languageId *uint32) (err error) {
+	var _p0 *uint16
+	_p0, err = syscall.UTF16PtrFromString(systemName)
+	if err != nil {
+		return
 	}
-	r1, _, e1 := syscall.Syscall6(procOpenThreadToken.Addr(), 4, uintptr(thread), uintptr(accessMask), uintptr(_p0), uintptr(unsafe.Pointer(token)), 0, 0)
+	return _lookupPrivilegeDisplayName(_p0, name, buffer, size, languageId)
+}
+
+func _lookupPrivilegeDisplayName(systemName *uint16, name *uint16, buffer *uint16, size *uint32, languageId *uint32) (err error) {
+	r1, _, e1 := syscall.Syscall6(procLookupPrivilegeDisplayNameW.Addr(), 5, uintptr(unsafe.Pointer(systemName)), uintptr(unsafe.Pointer(name)), uintptr(unsafe.Pointer(buffer)), uintptr(unsafe.Pointer(size)), uintptr(unsafe.Pointer(languageId)), 0)
 	if r1 == 0 {
-		if e1 != 0 {
-			err = errnoErr(e1)
-		} else {
-			err = syscall.EINVAL
-		}
+		err = errnoErr(e1)
 	}
 	return
 }
 
-func getCurrentThread() (h syscall.Handle) {
-	r0, _, _ := syscall.Syscall(procGetCurrentThread.Addr(), 0, 0, 0, 0)
-	h = syscall.Handle(r0)
+func lookupPrivilegeName(systemName string, luid *uint64, buffer *uint16, size *uint32) (err error) {
+	var _p0 *uint16
+	_p0, err = syscall.UTF16PtrFromString(systemName)
+	if err != nil {
+		return
+	}
+	return _lookupPrivilegeName(_p0, luid, buffer, size)
+}
+
+func _lookupPrivilegeName(systemName *uint16, luid *uint64, buffer *uint16, size *uint32) (err error) {
+	r1, _, e1 := syscall.Syscall6(procLookupPrivilegeNameW.Addr(), 4, uintptr(unsafe.Pointer(systemName)), uintptr(unsafe.Pointer(luid)), uintptr(unsafe.Pointer(buffer)), uintptr(unsafe.Pointer(size)), 0, 0)
+	if r1 == 0 {
+		err = errnoErr(e1)
+	}
 	return
 }
 
@@ -442,53 +205,27 @@ func lookupPrivilegeValue(systemName string, name string, luid *uint64) (err err
 func _lookupPrivilegeValue(systemName *uint16, name *uint16, luid *uint64) (err error) {
 	r1, _, e1 := syscall.Syscall(procLookupPrivilegeValueW.Addr(), 3, uintptr(unsafe.Pointer(systemName)), uintptr(unsafe.Pointer(name)), uintptr(unsafe.Pointer(luid)))
 	if r1 == 0 {
-		if e1 != 0 {
-			err = errnoErr(e1)
-		} else {
-			err = syscall.EINVAL
-		}
+		err = errnoErr(e1)
 	}
 	return
 }
 
-func lookupPrivilegeName(systemName string, luid *uint64, buffer *uint16, size *uint32) (err error) {
-	var _p0 *uint16
-	_p0, err = syscall.UTF16PtrFromString(systemName)
-	if err != nil {
-		return
+func openThreadToken(thread syscall.Handle, accessMask uint32, openAsSelf bool, token *windows.Token) (err error) {
+	var _p0 uint32
+	if openAsSelf {
+		_p0 = 1
 	}
-	return _lookupPrivilegeName(_p0, luid, buffer, size)
-}
-
-func _lookupPrivilegeName(systemName *uint16, luid *uint64, buffer *uint16, size *uint32) (err error) {
-	r1, _, e1 := syscall.Syscall6(procLookupPrivilegeNameW.Addr(), 4, uintptr(unsafe.Pointer(systemName)), uintptr(unsafe.Pointer(luid)), uintptr(unsafe.Pointer(buffer)), uintptr(unsafe.Pointer(size)), 0, 0)
+	r1, _, e1 := syscall.Syscall6(procOpenThreadToken.Addr(), 4, uintptr(thread), uintptr(accessMask), uintptr(_p0), uintptr(unsafe.Pointer(token)), 0, 0)
 	if r1 == 0 {
-		if e1 != 0 {
-			err = errnoErr(e1)
-		} else {
-			err = syscall.EINVAL
-		}
+		err = errnoErr(e1)
 	}
 	return
 }
 
-func lookupPrivilegeDisplayName(systemName string, name *uint16, buffer *uint16, size *uint32, languageId *uint32) (err error) {
-	var _p0 *uint16
-	_p0, err = syscall.UTF16PtrFromString(systemName)
-	if err != nil {
-		return
-	}
-	return _lookupPrivilegeDisplayName(_p0, name, buffer, size, languageId)
-}
-
-func _lookupPrivilegeDisplayName(systemName *uint16, name *uint16, buffer *uint16, size *uint32, languageId *uint32) (err error) {
-	r1, _, e1 := syscall.Syscall6(procLookupPrivilegeDisplayNameW.Addr(), 5, uintptr(unsafe.Pointer(systemName)), uintptr(unsafe.Pointer(name)), uintptr(unsafe.Pointer(buffer)), uintptr(unsafe.Pointer(size)), uintptr(unsafe.Pointer(languageId)), 0)
+func revertToSelf() (err error) {
+	r1, _, e1 := syscall.Syscall(procRevertToSelf.Addr(), 0, 0, 0, 0)
 	if r1 == 0 {
-		if e1 != 0 {
-			err = errnoErr(e1)
-		} else {
-			err = syscall.EINVAL
-		}
+		err = errnoErr(e1)
 	}
 	return
 }
@@ -501,22 +238,14 @@ func backupRead(h syscall.Handle, b []byte, bytesRead *uint32, abort bool, proce
 	var _p1 uint32
 	if abort {
 		_p1 = 1
-	} else {
-		_p1 = 0
 	}
 	var _p2 uint32
 	if processSecurity {
 		_p2 = 1
-	} else {
-		_p2 = 0
 	}
 	r1, _, e1 := syscall.Syscall9(procBackupRead.Addr(), 7, uintptr(h), uintptr(unsafe.Pointer(_p0)), uintptr(len(b)), uintptr(unsafe.Pointer(bytesRead)), uintptr(_p1), uintptr(_p2), uintptr(unsafe.Pointer(context)), 0, 0)
 	if r1 == 0 {
-		if e1 != 0 {
-			err = errnoErr(e1)
-		} else {
-			err = syscall.EINVAL
-		}
+		err = errnoErr(e1)
 	}
 	return
 }
@@ -529,22 +258,162 @@ func backupWrite(h syscall.Handle, b []byte, bytesWritten *uint32, abort bool, p
 	var _p1 uint32
 	if abort {
 		_p1 = 1
-	} else {
-		_p1 = 0
 	}
 	var _p2 uint32
 	if processSecurity {
 		_p2 = 1
-	} else {
-		_p2 = 0
 	}
 	r1, _, e1 := syscall.Syscall9(procBackupWrite.Addr(), 7, uintptr(h), uintptr(unsafe.Pointer(_p0)), uintptr(len(b)), uintptr(unsafe.Pointer(bytesWritten)), uintptr(_p1), uintptr(_p2), uintptr(unsafe.Pointer(context)), 0, 0)
 	if r1 == 0 {
-		if e1 != 0 {
-			err = errnoErr(e1)
-		} else {
-			err = syscall.EINVAL
-		}
+		err = errnoErr(e1)
+	}
+	return
+}
+
+func cancelIoEx(file syscall.Handle, o *syscall.Overlapped) (err error) {
+	r1, _, e1 := syscall.Syscall(procCancelIoEx.Addr(), 2, uintptr(file), uintptr(unsafe.Pointer(o)), 0)
+	if r1 == 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+func connectNamedPipe(pipe syscall.Handle, o *syscall.Overlapped) (err error) {
+	r1, _, e1 := syscall.Syscall(procConnectNamedPipe.Addr(), 2, uintptr(pipe), uintptr(unsafe.Pointer(o)), 0)
+	if r1 == 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+func createFile(name string, access uint32, mode uint32, sa *syscall.SecurityAttributes, createmode uint32, attrs uint32, templatefile syscall.Handle) (handle syscall.Handle, err error) {
+	var _p0 *uint16
+	_p0, err = syscall.UTF16PtrFromString(name)
+	if err != nil {
+		return
+	}
+	return _createFile(_p0, access, mode, sa, createmode, attrs, templatefile)
+}
+
+func _createFile(name *uint16, access uint32, mode uint32, sa *syscall.SecurityAttributes, createmode uint32, attrs uint32, templatefile syscall.Handle) (handle syscall.Handle, err error) {
+	r0, _, e1 := syscall.Syscall9(procCreateFileW.Addr(), 7, uintptr(unsafe.Pointer(name)), uintptr(access), uintptr(mode), uintptr(unsafe.Pointer(sa)), uintptr(createmode), uintptr(attrs), uintptr(templatefile), 0, 0)
+	handle = syscall.Handle(r0)
+	if handle == syscall.InvalidHandle {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+func createIoCompletionPort(file syscall.Handle, port syscall.Handle, key uintptr, threadCount uint32) (newport syscall.Handle, err error) {
+	r0, _, e1 := syscall.Syscall6(procCreateIoCompletionPort.Addr(), 4, uintptr(file), uintptr(port), uintptr(key), uintptr(threadCount), 0, 0)
+	newport = syscall.Handle(r0)
+	if newport == 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+func createNamedPipe(name string, flags uint32, pipeMode uint32, maxInstances uint32, outSize uint32, inSize uint32, defaultTimeout uint32, sa *syscall.SecurityAttributes) (handle syscall.Handle, err error) {
+	var _p0 *uint16
+	_p0, err = syscall.UTF16PtrFromString(name)
+	if err != nil {
+		return
+	}
+	return _createNamedPipe(_p0, flags, pipeMode, maxInstances, outSize, inSize, defaultTimeout, sa)
+}
+
+func _createNamedPipe(name *uint16, flags uint32, pipeMode uint32, maxInstances uint32, outSize uint32, inSize uint32, defaultTimeout uint32, sa *syscall.SecurityAttributes) (handle syscall.Handle, err error) {
+	r0, _, e1 := syscall.Syscall9(procCreateNamedPipeW.Addr(), 8, uintptr(unsafe.Pointer(name)), uintptr(flags), uintptr(pipeMode), uintptr(maxInstances), uintptr(outSize), uintptr(inSize), uintptr(defaultTimeout), uintptr(unsafe.Pointer(sa)), 0)
+	handle = syscall.Handle(r0)
+	if handle == syscall.InvalidHandle {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+func getCurrentThread() (h syscall.Handle) {
+	r0, _, _ := syscall.Syscall(procGetCurrentThread.Addr(), 0, 0, 0, 0)
+	h = syscall.Handle(r0)
+	return
+}
+
+func getNamedPipeHandleState(pipe syscall.Handle, state *uint32, curInstances *uint32, maxCollectionCount *uint32, collectDataTimeout *uint32, userName *uint16, maxUserNameSize uint32) (err error) {
+	r1, _, e1 := syscall.Syscall9(procGetNamedPipeHandleStateW.Addr(), 7, uintptr(pipe), uintptr(unsafe.Pointer(state)), uintptr(unsafe.Pointer(curInstances)), uintptr(unsafe.Pointer(maxCollectionCount)), uintptr(unsafe.Pointer(collectDataTimeout)), uintptr(unsafe.Pointer(userName)), uintptr(maxUserNameSize), 0, 0)
+	if r1 == 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+func getNamedPipeInfo(pipe syscall.Handle, flags *uint32, outSize *uint32, inSize *uint32, maxInstances *uint32) (err error) {
+	r1, _, e1 := syscall.Syscall6(procGetNamedPipeInfo.Addr(), 5, uintptr(pipe), uintptr(unsafe.Pointer(flags)), uintptr(unsafe.Pointer(outSize)), uintptr(unsafe.Pointer(inSize)), uintptr(unsafe.Pointer(maxInstances)), 0)
+	if r1 == 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+func getQueuedCompletionStatus(port syscall.Handle, bytes *uint32, key *uintptr, o **ioOperation, timeout uint32) (err error) {
+	r1, _, e1 := syscall.Syscall6(procGetQueuedCompletionStatus.Addr(), 5, uintptr(port), uintptr(unsafe.Pointer(bytes)), uintptr(unsafe.Pointer(key)), uintptr(unsafe.Pointer(o)), uintptr(timeout), 0)
+	if r1 == 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+func localAlloc(uFlags uint32, length uint32) (ptr uintptr) {
+	r0, _, _ := syscall.Syscall(procLocalAlloc.Addr(), 2, uintptr(uFlags), uintptr(length), 0)
+	ptr = uintptr(r0)
+	return
+}
+
+func localFree(mem uintptr) {
+	syscall.Syscall(procLocalFree.Addr(), 1, uintptr(mem), 0, 0)
+	return
+}
+
+func setFileCompletionNotificationModes(h syscall.Handle, flags uint8) (err error) {
+	r1, _, e1 := syscall.Syscall(procSetFileCompletionNotificationModes.Addr(), 2, uintptr(h), uintptr(flags), 0)
+	if r1 == 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+func ntCreateNamedPipeFile(pipe *syscall.Handle, access uint32, oa *objectAttributes, iosb *ioStatusBlock, share uint32, disposition uint32, options uint32, typ uint32, readMode uint32, completionMode uint32, maxInstances uint32, inboundQuota uint32, outputQuota uint32, timeout *int64) (status ntstatus) {
+	r0, _, _ := syscall.Syscall15(procNtCreateNamedPipeFile.Addr(), 14, uintptr(unsafe.Pointer(pipe)), uintptr(access), uintptr(unsafe.Pointer(oa)), uintptr(unsafe.Pointer(iosb)), uintptr(share), uintptr(disposition), uintptr(options), uintptr(typ), uintptr(readMode), uintptr(completionMode), uintptr(maxInstances), uintptr(inboundQuota), uintptr(outputQuota), uintptr(unsafe.Pointer(timeout)), 0)
+	status = ntstatus(r0)
+	return
+}
+
+func rtlDefaultNpAcl(dacl *uintptr) (status ntstatus) {
+	r0, _, _ := syscall.Syscall(procRtlDefaultNpAcl.Addr(), 1, uintptr(unsafe.Pointer(dacl)), 0, 0)
+	status = ntstatus(r0)
+	return
+}
+
+func rtlDosPathNameToNtPathName(name *uint16, ntName *unicodeString, filePart uintptr, reserved uintptr) (status ntstatus) {
+	r0, _, _ := syscall.Syscall6(procRtlDosPathNameToNtPathName_U.Addr(), 4, uintptr(unsafe.Pointer(name)), uintptr(unsafe.Pointer(ntName)), uintptr(filePart), uintptr(reserved), 0, 0)
+	status = ntstatus(r0)
+	return
+}
+
+func rtlNtStatusToDosError(status ntstatus) (winerr error) {
+	r0, _, _ := syscall.Syscall(procRtlNtStatusToDosErrorNoTeb.Addr(), 1, uintptr(status), 0, 0)
+	if r0 != 0 {
+		winerr = syscall.Errno(r0)
+	}
+	return
+}
+
+func wsaGetOverlappedResult(h syscall.Handle, o *syscall.Overlapped, bytes *uint32, wait bool, flags *uint32) (err error) {
+	var _p0 uint32
+	if wait {
+		_p0 = 1
+	}
+	r1, _, e1 := syscall.Syscall6(procWSAGetOverlappedResult.Addr(), 5, uintptr(h), uintptr(unsafe.Pointer(o)), uintptr(unsafe.Pointer(bytes)), uintptr(_p0), uintptr(unsafe.Pointer(flags)), 0)
+	if r1 == 0 {
+		err = errnoErr(e1)
 	}
 	return
 }
@@ -552,11 +421,7 @@ func backupWrite(h syscall.Handle, b []byte, bytesWritten *uint32, abort bool, p
 func bind(s syscall.Handle, name unsafe.Pointer, namelen int32) (err error) {
 	r1, _, e1 := syscall.Syscall(procbind.Addr(), 3, uintptr(s), uintptr(name), uintptr(namelen))
 	if r1 == socketError {
-		if e1 != 0 {
-			err = errnoErr(e1)
-		} else {
-			err = syscall.EINVAL
-		}
+		err = errnoErr(e1)
 	}
 	return
 }

vendor/github.com/Microsoft/hcsshim/.gitattributes

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

vendor/github.com/Microsoft/hcsshim/.gitignore

@@ -1 +1,3 @@
 *.exe
+.idea
+.vscode

vendor/github.com/Microsoft/hcsshim/.gometalinter.json

@@ -1,17 +0,0 @@
-{
-    "Vendor": true,
-    "Deadline": "2m",
-    "Sort": [
-        "linter",
-        "severity",
-        "path",
-        "line"
-    ],
-    "Skip": [
-        "internal\\schema2"
-    ],
-    "EnableGC": true,
-    "Enable": [
-        "gofmt"
-    ]
-}

vendor/github.com/Microsoft/hcsshim/CODEOWNERS

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

vendor/github.com/Microsoft/hcsshim/Protobuild.toml

@@ -25,21 +25,25 @@ plugins = ["grpc", "fieldpath"]
   "gogoproto/gogo.proto" = "github.com/gogo/protobuf/gogoproto"
   "google/protobuf/any.proto" = "github.com/gogo/protobuf/types"
   "google/protobuf/empty.proto" = "github.com/gogo/protobuf/types"
+  "google/protobuf/struct.proto" = "github.com/gogo/protobuf/types"
   "google/protobuf/descriptor.proto" = "github.com/gogo/protobuf/protoc-gen-gogo/descriptor"
   "google/protobuf/field_mask.proto" = "github.com/gogo/protobuf/types"
   "google/protobuf/timestamp.proto" = "github.com/gogo/protobuf/types"
   "google/protobuf/duration.proto" = "github.com/gogo/protobuf/types"
+  "github/containerd/cgroups/stats/v1/metrics.proto" = "github.com/containerd/cgroups/stats/v1"
 
 [[overrides]]
 prefixes = ["github.com/Microsoft/hcsshim/internal/shimdiag"]
 plugins = ["ttrpc"]
 
-# Lock down runhcs config
+[[overrides]]
+prefixes = ["github.com/Microsoft/hcsshim/internal/computeagent"]
+plugins = ["ttrpc"]
 
-[[descriptors]]
-prefix = "github.com/Microsoft/hcsshim/cmd/containerd-shim-runhcs-v1/options"
-target = "cmd/containerd-shim-runhcs-v1/options/next.pb.txt"
-ignore_files = [
-	"google/protobuf/descriptor.proto",
-	"gogoproto/gogo.proto"
-]
+[[overrides]]
+prefixes = ["github.com/Microsoft/hcsshim/internal/ncproxyttrpc"]
+plugins = ["ttrpc"]
+
+[[overrides]]
+prefixes = ["github.com/Microsoft/hcsshim/internal/vmservice"]
+plugins = ["ttrpc"]

vendor/github.com/Microsoft/hcsshim/README.md

@@ -1,8 +1,8 @@
 # hcsshim
 
-[![Build status](https://ci.appveyor.com/api/projects/status/nbcw28mnkqml0loa/branch/master?svg=true)](https://ci.appveyor.com/project/WindowsVirtualization/hcsshim/branch/master)
+[![Build status](https://github.com/microsoft/hcsshim/actions/workflows/ci.yml/badge.svg?branch=master)](https://github.com/microsoft/hcsshim/actions?query=branch%3Amaster)
 
-This package contains the Golang interface for using the Windows [Host Compute Service](https://blogs.technet.microsoft.com/virtualization/2017/01/27/introducing-the-host-compute-service-hcs/) (HCS) to launch and manage [Windows Containers](https://docs.microsoft.com/en-us/virtualization/windowscontainers/about/). It also contains other helpers and functions for managing Windows Containers such as the Golang interface for the Host Network Service (HNS).
+This package contains the Golang interface for using the Windows [Host Compute Service](https://techcommunity.microsoft.com/t5/containers/introducing-the-host-compute-service-hcs/ba-p/382332) (HCS) to launch and manage [Windows Containers](https://docs.microsoft.com/en-us/virtualization/windowscontainers/about/). It also contains other helpers and functions for managing Windows Containers such as the Golang interface for the Host Network Service (HNS).
 
 It is primarily used in the [Moby Project](https://github.com/moby/moby), but it can be freely used by other projects as well.
 
@@ -16,6 +16,11 @@ When you submit a pull request, a CLA-bot will automatically determine whether y
 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.
 
+We also ask that contributors [sign their commits](https://git-scm.com/docs/git-commit) using `git commit -s` or `git commit --signoff` to certify they either authored the work themselves or otherwise have permission to use it in this project. 
+
+
+## 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.

vendor/github.com/Microsoft/hcsshim/appveyor.yml

@@ -1,41 +0,0 @@
-version: 0.1.{build}
-
-image: Visual Studio 2017
-
-clone_folder: c:\gopath\src\github.com\Microsoft\hcsshim
-
-environment:
-  GOPATH: c:\gopath
-  PATH: C:\mingw-w64\x86_64-7.2.0-posix-seh-rt_v5-rev1\mingw64\bin;%GOPATH%\bin;C:\gometalinter-2.0.12-windows-amd64;%PATH%
-
-stack: go 1.12.4
-
-build_script:
-  - appveyor DownloadFile https://github.com/alecthomas/gometalinter/releases/download/v2.0.12/gometalinter-2.0.12-windows-amd64.zip
-  - 7z x gometalinter-2.0.12-windows-amd64.zip -y -oC:\ > NUL
-  - gometalinter.exe --config .gometalinter.json ./...
-  - go build ./cmd/containerd-shim-runhcs-v1
-  - go build ./cmd/runhcs
-  - go build ./cmd/tar2ext4
-  - go build ./cmd/wclayer
-  - go build ./internal/tools/grantvmgroupaccess 
-  - go build ./internal/tools/uvmboot
-  - go build ./internal/tools/zapdir
-  - go test -v ./... -tags admin
-  - go test -c ./test/containerd-shim-runhcs-v1/ -tags functional
-  - go test -c ./test/cri-containerd/ -tags functional
-  - go test -c ./test/functional/ -tags functional
-  - go test -c ./test/runhcs/ -tags functional
-
-artifacts:
-  - path: 'containerd-shim-runhcs-v1.exe'
-  - path: 'runhcs.exe'
-  - path: 'tar2ext4.exe'
-  - path: 'wclayer.exe'
-  - path: 'grantvmgroupaccess.exe'  
-  - path: 'uvmboot.exe'
-  - path: 'zapdir.exe'
-  - path: 'containerd-shim-runhcs-v1.test.exe'
-  - path: 'cri-containerd.test.exe'
-  - path: 'functional.test.exe'
-  - path: 'runhcs.test.exe'

vendor/github.com/Microsoft/hcsshim/computestorage/attach.go

@@ -0,0 +1,38 @@
+package computestorage
+
+import (
+	"context"
+	"encoding/json"
+
+	"github.com/Microsoft/hcsshim/internal/oc"
+	"github.com/pkg/errors"
+	"go.opencensus.io/trace"
+)
+
+// AttachLayerStorageFilter sets up the layer storage filter on a writable
+// container layer.
+//
+// `layerPath` is a path to a directory the writable layer is mounted. If the
+// path does not end in a `\` the platform will append it automatically.
+//
+// `layerData` is the parent read-only layer data.
+func AttachLayerStorageFilter(ctx context.Context, layerPath string, layerData LayerData) (err error) {
+	title := "hcsshim.AttachLayerStorageFilter"
+	ctx, span := trace.StartSpan(ctx, title) //nolint:ineffassign,staticcheck
+	defer span.End()
+	defer func() { oc.SetSpanStatus(span, err) }()
+	span.AddAttributes(
+		trace.StringAttribute("layerPath", layerPath),
+	)
+
+	bytes, err := json.Marshal(layerData)
+	if err != nil {
+		return err
+	}
+
+	err = hcsAttachLayerStorageFilter(layerPath, string(bytes))
+	if err != nil {
+		return errors.Wrap(err, "failed to attach layer storage filter")
+	}
+	return nil
+}

vendor/github.com/Microsoft/hcsshim/computestorage/destroy.go

@@ -0,0 +1,26 @@
+package computestorage
+
+import (
+	"context"
+
+	"github.com/Microsoft/hcsshim/internal/oc"
+	"github.com/pkg/errors"
+	"go.opencensus.io/trace"
+)
+
+// DestroyLayer deletes a container layer.
+//
+// `layerPath` is a path to a directory containing the layer to export.
+func DestroyLayer(ctx context.Context, layerPath string) (err error) {
+	title := "hcsshim.DestroyLayer"
+	ctx, span := trace.StartSpan(ctx, title) //nolint:ineffassign,staticcheck
+	defer span.End()
+	defer func() { oc.SetSpanStatus(span, err) }()
+	span.AddAttributes(trace.StringAttribute("layerPath", layerPath))
+
+	err = hcsDestroyLayer(layerPath)
+	if err != nil {
+		return errors.Wrap(err, "failed to destroy layer")
+	}
+	return nil
+}

vendor/github.com/Microsoft/hcsshim/computestorage/detach.go

@@ -0,0 +1,26 @@
+package computestorage
+
+import (
+	"context"
+
+	"github.com/Microsoft/hcsshim/internal/oc"
+	"github.com/pkg/errors"
+	"go.opencensus.io/trace"
+)
+
+// DetachLayerStorageFilter detaches the layer storage filter on a writable container layer.
+//
+// `layerPath` is a path to a directory containing the layer to export.
+func DetachLayerStorageFilter(ctx context.Context, layerPath string) (err error) {
+	title := "hcsshim.DetachLayerStorageFilter"
+	ctx, span := trace.StartSpan(ctx, title) //nolint:ineffassign,staticcheck
+	defer span.End()
+	defer func() { oc.SetSpanStatus(span, err) }()
+	span.AddAttributes(trace.StringAttribute("layerPath", layerPath))
+
+	err = hcsDetachLayerStorageFilter(layerPath)
+	if err != nil {
+		return errors.Wrap(err, "failed to detach layer storage filter")
+	}
+	return nil
+}

vendor/github.com/Microsoft/hcsshim/computestorage/export.go

@@ -0,0 +1,46 @@
+package computestorage
+
+import (
+	"context"
+	"encoding/json"
+
+	"github.com/Microsoft/hcsshim/internal/oc"
+	"github.com/pkg/errors"
+	"go.opencensus.io/trace"
+)
+
+// ExportLayer exports a container layer.
+//
+// `layerPath` is a path to a directory containing the layer to export.
+//
+// `exportFolderPath` is a pre-existing folder to export the layer to.
+//
+// `layerData` is the parent layer data.
+//
+// `options` are the export options applied to the exported layer.
+func ExportLayer(ctx context.Context, layerPath, exportFolderPath string, layerData LayerData, options ExportLayerOptions) (err error) {
+	title := "hcsshim.ExportLayer"
+	ctx, span := trace.StartSpan(ctx, title) //nolint:ineffassign,staticcheck
+	defer span.End()
+	defer func() { oc.SetSpanStatus(span, err) }()
+	span.AddAttributes(
+		trace.StringAttribute("layerPath", layerPath),
+		trace.StringAttribute("exportFolderPath", exportFolderPath),
+	)
+
+	ldbytes, err := json.Marshal(layerData)
+	if err != nil {
+		return err
+	}
+
+	obytes, err := json.Marshal(options)
+	if err != nil {
+		return err
+	}
+
+	err = hcsExportLayer(layerPath, exportFolderPath, string(ldbytes), string(obytes))
+	if err != nil {
+		return errors.Wrap(err, "failed to export layer")
+	}
+	return nil
+}

vendor/github.com/Microsoft/hcsshim/computestorage/format.go

@@ -0,0 +1,26 @@
+package computestorage
+
+import (
+	"context"
+
+	"github.com/Microsoft/hcsshim/internal/oc"
+	"github.com/pkg/errors"
+	"go.opencensus.io/trace"
+	"golang.org/x/sys/windows"
+)
+
+// FormatWritableLayerVhd formats a virtual disk for use as a writable container layer.
+//
+// If the VHD is not mounted it will be temporarily mounted.
+func FormatWritableLayerVhd(ctx context.Context, vhdHandle windows.Handle) (err error) {
+	title := "hcsshim.FormatWritableLayerVhd"
+	ctx, span := trace.StartSpan(ctx, title) //nolint:ineffassign,staticcheck
+	defer span.End()
+	defer func() { oc.SetSpanStatus(span, err) }()
+
+	err = hcsFormatWritableLayerVhd(vhdHandle)
+	if err != nil {
+		return errors.Wrap(err, "failed to format writable layer vhd")
+	}
+	return nil
+}

vendor/github.com/Microsoft/hcsshim/computestorage/helpers.go

@@ -0,0 +1,193 @@
+package computestorage
+
+import (
+	"context"
+	"os"
+	"path/filepath"
+	"syscall"
+
+	"github.com/Microsoft/go-winio/pkg/security"
+	"github.com/Microsoft/go-winio/vhd"
+	"github.com/pkg/errors"
+	"golang.org/x/sys/windows"
+)
+
+const defaultVHDXBlockSizeInMB = 1
+
+// SetupContainerBaseLayer is a helper to setup a containers scratch. It
+// will create and format the vhdx's inside and the size is configurable with the sizeInGB
+// parameter.
+//
+// `layerPath` is the path to the base container layer on disk.
+//
+// `baseVhdPath` is the path to where the base vhdx for the base layer should be created.
+//
+// `diffVhdPath` is the path where the differencing disk for the base layer should be created.
+//
+// `sizeInGB` is the size in gigabytes to make the base vhdx.
+func SetupContainerBaseLayer(ctx context.Context, layerPath, baseVhdPath, diffVhdPath string, sizeInGB uint64) (err error) {
+	var (
+		hivesPath  = filepath.Join(layerPath, "Hives")
+		layoutPath = filepath.Join(layerPath, "Layout")
+	)
+
+	// We need to remove the hives directory and layout file as `SetupBaseOSLayer` fails if these files
+	// already exist. `SetupBaseOSLayer` will create these files internally. We also remove the base and
+	// differencing disks if they exist in case we're asking for a different size.
+	if _, err := os.Stat(hivesPath); err == nil {
+		if err := os.RemoveAll(hivesPath); err != nil {
+			return errors.Wrap(err, "failed to remove prexisting hives directory")
+		}
+	}
+	if _, err := os.Stat(layoutPath); err == nil {
+		if err := os.RemoveAll(layoutPath); err != nil {
+			return errors.Wrap(err, "failed to remove prexisting layout file")
+		}
+	}
+
+	if _, err := os.Stat(baseVhdPath); err == nil {
+		if err := os.RemoveAll(baseVhdPath); err != nil {
+			return errors.Wrap(err, "failed to remove base vhdx path")
+		}
+	}
+	if _, err := os.Stat(diffVhdPath); err == nil {
+		if err := os.RemoveAll(diffVhdPath); err != nil {
+			return errors.Wrap(err, "failed to remove differencing vhdx")
+		}
+	}
+
+	createParams := &vhd.CreateVirtualDiskParameters{
+		Version: 2,
+		Version2: vhd.CreateVersion2{
+			MaximumSize:      sizeInGB * 1024 * 1024 * 1024,
+			BlockSizeInBytes: defaultVHDXBlockSizeInMB * 1024 * 1024,
+		},
+	}
+	handle, err := vhd.CreateVirtualDisk(baseVhdPath, vhd.VirtualDiskAccessNone, vhd.CreateVirtualDiskFlagNone, createParams)
+	if err != nil {
+		return errors.Wrap(err, "failed to create vhdx")
+	}
+
+	defer func() {
+		if err != nil {
+			_ = syscall.CloseHandle(handle)
+			os.RemoveAll(baseVhdPath)
+			os.RemoveAll(diffVhdPath)
+		}
+	}()
+
+	if err = FormatWritableLayerVhd(ctx, windows.Handle(handle)); err != nil {
+		return err
+	}
+	// Base vhd handle must be closed before calling SetupBaseLayer in case of Container layer
+	if err = syscall.CloseHandle(handle); err != nil {
+		return errors.Wrap(err, "failed to close vhdx handle")
+	}
+
+	options := OsLayerOptions{
+		Type: OsLayerTypeContainer,
+	}
+
+	// SetupBaseOSLayer expects an empty vhd handle for a container layer and will
+	// error out otherwise.
+	if err = SetupBaseOSLayer(ctx, layerPath, 0, options); err != nil {
+		return err
+	}
+	// Create the differencing disk that will be what's copied for the final rw layer
+	// for a container.
+	if err = vhd.CreateDiffVhd(diffVhdPath, baseVhdPath, defaultVHDXBlockSizeInMB); err != nil {
+		return errors.Wrap(err, "failed to create differencing disk")
+	}
+
+	if err = security.GrantVmGroupAccess(baseVhdPath); err != nil {
+		return errors.Wrapf(err, "failed to grant vm group access to %s", baseVhdPath)
+	}
+	if err = security.GrantVmGroupAccess(diffVhdPath); err != nil {
+		return errors.Wrapf(err, "failed to grant vm group access to %s", diffVhdPath)
+	}
+	return nil
+}
+
+// SetupUtilityVMBaseLayer is a helper to setup a UVMs scratch space. It will create and format
+// the vhdx inside and the size is configurable by the sizeInGB parameter.
+//
+// `uvmPath` is the path to the UtilityVM filesystem.
+//
+// `baseVhdPath` is the path to where the base vhdx for the UVM should be created.
+//
+// `diffVhdPath` is the path where the differencing disk for the UVM should be created.
+//
+// `sizeInGB` specifies the size in gigabytes to make the base vhdx.
+func SetupUtilityVMBaseLayer(ctx context.Context, uvmPath, baseVhdPath, diffVhdPath string, sizeInGB uint64) (err error) {
+	// Remove the base and differencing disks if they exist in case we're asking for a different size.
+	if _, err := os.Stat(baseVhdPath); err == nil {
+		if err := os.RemoveAll(baseVhdPath); err != nil {
+			return errors.Wrap(err, "failed to remove base vhdx")
+		}
+	}
+	if _, err := os.Stat(diffVhdPath); err == nil {
+		if err := os.RemoveAll(diffVhdPath); err != nil {
+			return errors.Wrap(err, "failed to remove differencing vhdx")
+		}
+	}
+
+	// Just create the vhdx for utilityVM layer, no need to format it.
+	createParams := &vhd.CreateVirtualDiskParameters{
+		Version: 2,
+		Version2: vhd.CreateVersion2{
+			MaximumSize:      sizeInGB * 1024 * 1024 * 1024,
+			BlockSizeInBytes: defaultVHDXBlockSizeInMB * 1024 * 1024,
+		},
+	}
+	handle, err := vhd.CreateVirtualDisk(baseVhdPath, vhd.VirtualDiskAccessNone, vhd.CreateVirtualDiskFlagNone, createParams)
+	if err != nil {
+		return errors.Wrap(err, "failed to create vhdx")
+	}
+
+	defer func() {
+		if err != nil {
+			_ = syscall.CloseHandle(handle)
+			os.RemoveAll(baseVhdPath)
+			os.RemoveAll(diffVhdPath)
+		}
+	}()
+
+	// If it is a UtilityVM layer then the base vhdx must be attached when calling
+	// `SetupBaseOSLayer`
+	attachParams := &vhd.AttachVirtualDiskParameters{
+		Version: 2,
+	}
+	if err := vhd.AttachVirtualDisk(handle, vhd.AttachVirtualDiskFlagNone, attachParams); err != nil {
+		return errors.Wrapf(err, "failed to attach virtual disk")
+	}
+
+	options := OsLayerOptions{
+		Type: OsLayerTypeVM,
+	}
+	if err := SetupBaseOSLayer(ctx, uvmPath, windows.Handle(handle), options); err != nil {
+		return err
+	}
+
+	// Detach and close the handle after setting up the layer as we don't need the handle
+	// for anything else and we no longer need to be attached either.
+	if err = vhd.DetachVirtualDisk(handle); err != nil {
+		return errors.Wrap(err, "failed to detach vhdx")
+	}
+	if err = syscall.CloseHandle(handle); err != nil {
+		return errors.Wrap(err, "failed to close vhdx handle")
+	}
+
+	// Create the differencing disk that will be what's copied for the final rw layer
+	// for a container.
+	if err = vhd.CreateDiffVhd(diffVhdPath, baseVhdPath, defaultVHDXBlockSizeInMB); err != nil {
+		return errors.Wrap(err, "failed to create differencing disk")
+	}
+
+	if err := security.GrantVmGroupAccess(baseVhdPath); err != nil {
+		return errors.Wrapf(err, "failed to grant vm group access to %s", baseVhdPath)
+	}
+	if err := security.GrantVmGroupAccess(diffVhdPath); err != nil {
+		return errors.Wrapf(err, "failed to grant vm group access to %s", diffVhdPath)
+	}
+	return nil
+}

vendor/github.com/Microsoft/hcsshim/computestorage/import.go

@@ -0,0 +1,41 @@
+package computestorage
+
+import (
+	"context"
+	"encoding/json"
+
+	"github.com/Microsoft/hcsshim/internal/oc"
+	"github.com/pkg/errors"
+	"go.opencensus.io/trace"
+)
+
+// ImportLayer imports a container layer.
+//
+// `layerPath` is a path to a directory to import the layer to. If the directory
+// does not exist it will be automatically created.
+//
+// `sourceFolderpath` is a pre-existing folder that contains the layer to
+// import.
+//
+// `layerData` is the parent layer data.
+func ImportLayer(ctx context.Context, layerPath, sourceFolderPath string, layerData LayerData) (err error) {
+	title := "hcsshim.ImportLayer"
+	ctx, span := trace.StartSpan(ctx, title) //nolint:ineffassign,staticcheck
+	defer span.End()
+	defer func() { oc.SetSpanStatus(span, err) }()
+	span.AddAttributes(
+		trace.StringAttribute("layerPath", layerPath),
+		trace.StringAttribute("sourceFolderPath", sourceFolderPath),
+	)
+
+	bytes, err := json.Marshal(layerData)
+	if err != nil {
+		return err
+	}
+
+	err = hcsImportLayer(layerPath, sourceFolderPath, string(bytes))
+	if err != nil {
+		return errors.Wrap(err, "failed to import layer")
+	}
+	return nil
+}

vendor/github.com/Microsoft/hcsshim/computestorage/initialize.go

@@ -0,0 +1,38 @@
+package computestorage
+
+import (
+	"context"
+	"encoding/json"
+
+	"github.com/Microsoft/hcsshim/internal/oc"
+	"github.com/pkg/errors"
+	"go.opencensus.io/trace"
+)
+
+// InitializeWritableLayer initializes a writable layer for a container.
+//
+// `layerPath` is a path to a directory the layer is mounted. If the
+// path does not end in a `\` the platform will append it automatically.
+//
+// `layerData` is the parent read-only layer data.
+func InitializeWritableLayer(ctx context.Context, layerPath string, layerData LayerData) (err error) {
+	title := "hcsshim.InitializeWritableLayer"
+	ctx, span := trace.StartSpan(ctx, title) //nolint:ineffassign,staticcheck
+	defer span.End()
+	defer func() { oc.SetSpanStatus(span, err) }()
+	span.AddAttributes(
+		trace.StringAttribute("layerPath", layerPath),
+	)
+
+	bytes, err := json.Marshal(layerData)
+	if err != nil {
+		return err
+	}
+
+	// Options are not used in the platform as of RS5
+	err = hcsInitializeWritableLayer(layerPath, string(bytes), "")
+	if err != nil {
+		return errors.Wrap(err, "failed to intitialize container layer")
+	}
+	return nil
+}

vendor/github.com/Microsoft/hcsshim/computestorage/mount.go

@@ -0,0 +1,27 @@
+package computestorage
+
+import (
+	"context"
+
+	"github.com/Microsoft/hcsshim/internal/interop"
+	"github.com/Microsoft/hcsshim/internal/oc"
+	"github.com/pkg/errors"
+	"go.opencensus.io/trace"
+	"golang.org/x/sys/windows"
+)
+
+// GetLayerVhdMountPath returns the volume path for a virtual disk of a writable container layer.
+func GetLayerVhdMountPath(ctx context.Context, vhdHandle windows.Handle) (path string, err error) {
+	title := "hcsshim.GetLayerVhdMountPath"
+	ctx, span := trace.StartSpan(ctx, title) //nolint:ineffassign,staticcheck
+	defer span.End()
+	defer func() { oc.SetSpanStatus(span, err) }()
+
+	var mountPath *uint16
+	err = hcsGetLayerVhdMountPath(vhdHandle, &mountPath)
+	if err != nil {
+		return "", errors.Wrap(err, "failed to get vhd mount path")
+	}
+	path = interop.ConvertAndFreeCoTaskMemString(mountPath)
+	return path, nil
+}

vendor/github.com/Microsoft/hcsshim/computestorage/setup.go

@@ -0,0 +1,74 @@
+package computestorage
+
+import (
+	"context"
+	"encoding/json"
+
+	"github.com/Microsoft/hcsshim/internal/oc"
+	"github.com/Microsoft/hcsshim/osversion"
+	"github.com/pkg/errors"
+	"go.opencensus.io/trace"
+	"golang.org/x/sys/windows"
+)
+
+// SetupBaseOSLayer sets up a layer that contains a base OS for a container.
+//
+// `layerPath` is a path to a directory containing the layer.
+//
+// `vhdHandle` is an empty file handle of `options.Type == OsLayerTypeContainer`
+// or else it is a file handle to the 'SystemTemplateBase.vhdx' if `options.Type
+// == OsLayerTypeVm`.
+//
+// `options` are the options applied while processing the layer.
+func SetupBaseOSLayer(ctx context.Context, layerPath string, vhdHandle windows.Handle, options OsLayerOptions) (err error) {
+	title := "hcsshim.SetupBaseOSLayer"
+	ctx, span := trace.StartSpan(ctx, title) //nolint:ineffassign,staticcheck
+	defer span.End()
+	defer func() { oc.SetSpanStatus(span, err) }()
+	span.AddAttributes(
+		trace.StringAttribute("layerPath", layerPath),
+	)
+
+	bytes, err := json.Marshal(options)
+	if err != nil {
+		return err
+	}
+
+	err = hcsSetupBaseOSLayer(layerPath, vhdHandle, string(bytes))
+	if err != nil {
+		return errors.Wrap(err, "failed to setup base OS layer")
+	}
+	return nil
+}
+
+// SetupBaseOSVolume sets up a volume that contains a base OS for a container.
+//
+// `layerPath` is a path to a directory containing the layer.
+//
+// `volumePath` is the path to the volume to be used for setup.
+//
+// `options` are the options applied while processing the layer.
+func SetupBaseOSVolume(ctx context.Context, layerPath, volumePath string, options OsLayerOptions) (err error) {
+	if osversion.Build() < 19645 {
+		return errors.New("SetupBaseOSVolume is not present on builds older than 19645")
+	}
+	title := "hcsshim.SetupBaseOSVolume"
+	ctx, span := trace.StartSpan(ctx, title) //nolint:ineffassign,staticcheck
+	defer span.End()
+	defer func() { oc.SetSpanStatus(span, err) }()
+	span.AddAttributes(
+		trace.StringAttribute("layerPath", layerPath),
+		trace.StringAttribute("volumePath", volumePath),
+	)
+
+	bytes, err := json.Marshal(options)
+	if err != nil {
+		return err
+	}
+
+	err = hcsSetupBaseOSVolume(layerPath, volumePath, string(bytes))
+	if err != nil {
+		return errors.Wrap(err, "failed to setup base OS layer")
+	}
+	return nil
+}

vendor/github.com/Microsoft/hcsshim/computestorage/storage.go

@@ -0,0 +1,50 @@
+// Package computestorage is a wrapper around the HCS storage APIs. These are new storage APIs introduced
+// separate from the original graphdriver calls intended to give more freedom around creating
+// and managing container layers and scratch spaces.
+package computestorage
+
+import (
+	hcsschema "github.com/Microsoft/hcsshim/internal/hcs/schema2"
+)
+
+//go:generate go run ../mksyscall_windows.go -output zsyscall_windows.go storage.go
+
+//sys hcsImportLayer(layerPath string, sourceFolderPath string, layerData string) (hr error) = computestorage.HcsImportLayer?
+//sys hcsExportLayer(layerPath string, exportFolderPath string, layerData string, options string) (hr error) = computestorage.HcsExportLayer?
+//sys hcsDestroyLayer(layerPath string) (hr error) = computestorage.HcsDestoryLayer?
+//sys hcsSetupBaseOSLayer(layerPath string, handle windows.Handle, options string) (hr error) = computestorage.HcsSetupBaseOSLayer?
+//sys hcsInitializeWritableLayer(writableLayerPath string, layerData string, options string) (hr error) = computestorage.HcsInitializeWritableLayer?
+//sys hcsAttachLayerStorageFilter(layerPath string, layerData string) (hr error) = computestorage.HcsAttachLayerStorageFilter?
+//sys hcsDetachLayerStorageFilter(layerPath string) (hr error) = computestorage.HcsDetachLayerStorageFilter?
+//sys hcsFormatWritableLayerVhd(handle windows.Handle) (hr error) = computestorage.HcsFormatWritableLayerVhd?
+//sys hcsGetLayerVhdMountPath(vhdHandle windows.Handle, mountPath **uint16) (hr error) = computestorage.HcsGetLayerVhdMountPath?
+//sys hcsSetupBaseOSVolume(layerPath string, volumePath string, options string) (hr error) = computestorage.HcsSetupBaseOSVolume?
+
+// LayerData is the data used to describe parent layer information.
+type LayerData struct {
+	SchemaVersion hcsschema.Version `json:"SchemaVersion,omitempty"`
+	Layers        []hcsschema.Layer `json:"Layers,omitempty"`
+}
+
+// ExportLayerOptions are the set of options that are used with the `computestorage.HcsExportLayer` syscall.
+type ExportLayerOptions struct {
+	IsWritableLayer bool `json:"IsWritableLayer,omitempty"`
+}
+
+// OsLayerType is the type of layer being operated on.
+type OsLayerType string
+
+const (
+	// OsLayerTypeContainer is a container layer.
+	OsLayerTypeContainer OsLayerType = "Container"
+	// OsLayerTypeVM is a virtual machine layer.
+	OsLayerTypeVM OsLayerType = "Vm"
+)
+
+// OsLayerOptions are the set of options that are used with the `SetupBaseOSLayer` and
+// `SetupBaseOSVolume` calls.
+type OsLayerOptions struct {
+	Type                       OsLayerType `json:"Type,omitempty"`
+	DisableCiCacheOptimization bool        `json:"DisableCiCacheOptimization,omitempty"`
+	SkipUpdateBcdForBoot       bool        `json:"SkipUpdateBcdForBoot,omitempty"`
+}

vendor/github.com/Microsoft/hcsshim/computestorage/zsyscall_windows.go

@@ -0,0 +1,319 @@
+// Code generated mksyscall_windows.exe DO NOT EDIT
+
+package computestorage
+
+import (
+	"syscall"
+	"unsafe"
+
+	"golang.org/x/sys/windows"
+)
+
+var _ unsafe.Pointer
+
+// Do the interface allocations only once for common
+// Errno values.
+const (
+	errnoERROR_IO_PENDING = 997
+)
+
+var (
+	errERROR_IO_PENDING error = syscall.Errno(errnoERROR_IO_PENDING)
+)
+
+// errnoErr returns common boxed Errno values, to prevent
+// allocations at runtime.
+func errnoErr(e syscall.Errno) error {
+	switch e {
+	case 0:
+		return nil
+	case errnoERROR_IO_PENDING:
+		return errERROR_IO_PENDING
+	}
+	// TODO: add more here, after collecting data on the common
+	// error values see on Windows. (perhaps when running
+	// all.bat?)
+	return e
+}
+
+var (
+	modcomputestorage = windows.NewLazySystemDLL("computestorage.dll")
+
+	procHcsImportLayer              = modcomputestorage.NewProc("HcsImportLayer")
+	procHcsExportLayer              = modcomputestorage.NewProc("HcsExportLayer")
+	procHcsDestoryLayer             = modcomputestorage.NewProc("HcsDestoryLayer")
+	procHcsSetupBaseOSLayer         = modcomputestorage.NewProc("HcsSetupBaseOSLayer")
+	procHcsInitializeWritableLayer  = modcomputestorage.NewProc("HcsInitializeWritableLayer")
+	procHcsAttachLayerStorageFilter = modcomputestorage.NewProc("HcsAttachLayerStorageFilter")
+	procHcsDetachLayerStorageFilter = modcomputestorage.NewProc("HcsDetachLayerStorageFilter")
+	procHcsFormatWritableLayerVhd   = modcomputestorage.NewProc("HcsFormatWritableLayerVhd")
+	procHcsGetLayerVhdMountPath     = modcomputestorage.NewProc("HcsGetLayerVhdMountPath")
+	procHcsSetupBaseOSVolume        = modcomputestorage.NewProc("HcsSetupBaseOSVolume")
+)
+
+func hcsImportLayer(layerPath string, sourceFolderPath string, layerData string) (hr error) {
+	var _p0 *uint16
+	_p0, hr = syscall.UTF16PtrFromString(layerPath)
+	if hr != nil {
+		return
+	}
+	var _p1 *uint16
+	_p1, hr = syscall.UTF16PtrFromString(sourceFolderPath)
+	if hr != nil {
+		return
+	}
+	var _p2 *uint16
+	_p2, hr = syscall.UTF16PtrFromString(layerData)
+	if hr != nil {
+		return
+	}
+	return _hcsImportLayer(_p0, _p1, _p2)
+}
+
+func _hcsImportLayer(layerPath *uint16, sourceFolderPath *uint16, layerData *uint16) (hr error) {
+	if hr = procHcsImportLayer.Find(); hr != nil {
+		return
+	}
+	r0, _, _ := syscall.Syscall(procHcsImportLayer.Addr(), 3, uintptr(unsafe.Pointer(layerPath)), uintptr(unsafe.Pointer(sourceFolderPath)), uintptr(unsafe.Pointer(layerData)))
+	if int32(r0) < 0 {
+		if r0&0x1fff0000 == 0x00070000 {
+			r0 &= 0xffff
+		}
+		hr = syscall.Errno(r0)
+	}
+	return
+}
+
+func hcsExportLayer(layerPath string, exportFolderPath string, layerData string, options string) (hr error) {
+	var _p0 *uint16
+	_p0, hr = syscall.UTF16PtrFromString(layerPath)
+	if hr != nil {
+		return
+	}
+	var _p1 *uint16
+	_p1, hr = syscall.UTF16PtrFromString(exportFolderPath)
+	if hr != nil {
+		return
+	}
+	var _p2 *uint16
+	_p2, hr = syscall.UTF16PtrFromString(layerData)
+	if hr != nil {
+		return
+	}
+	var _p3 *uint16
+	_p3, hr = syscall.UTF16PtrFromString(options)
+	if hr != nil {
+		return
+	}
+	return _hcsExportLayer(_p0, _p1, _p2, _p3)
+}
+
+func _hcsExportLayer(layerPath *uint16, exportFolderPath *uint16, layerData *uint16, options *uint16) (hr error) {
+	if hr = procHcsExportLayer.Find(); hr != nil {
+		return
+	}
+	r0, _, _ := syscall.Syscall6(procHcsExportLayer.Addr(), 4, uintptr(unsafe.Pointer(layerPath)), uintptr(unsafe.Pointer(exportFolderPath)), uintptr(unsafe.Pointer(layerData)), uintptr(unsafe.Pointer(options)), 0, 0)
+	if int32(r0) < 0 {
+		if r0&0x1fff0000 == 0x00070000 {
+			r0 &= 0xffff
+		}
+		hr = syscall.Errno(r0)
+	}
+	return
+}
+
+func hcsDestroyLayer(layerPath string) (hr error) {
+	var _p0 *uint16
+	_p0, hr = syscall.UTF16PtrFromString(layerPath)
+	if hr != nil {
+		return
+	}
+	return _hcsDestroyLayer(_p0)
+}
+
+func _hcsDestroyLayer(layerPath *uint16) (hr error) {
+	if hr = procHcsDestoryLayer.Find(); hr != nil {
+		return
+	}
+	r0, _, _ := syscall.Syscall(procHcsDestoryLayer.Addr(), 1, uintptr(unsafe.Pointer(layerPath)), 0, 0)
+	if int32(r0) < 0 {
+		if r0&0x1fff0000 == 0x00070000 {
+			r0 &= 0xffff
+		}
+		hr = syscall.Errno(r0)
+	}
+	return
+}
+
+func hcsSetupBaseOSLayer(layerPath string, handle windows.Handle, options string) (hr error) {
+	var _p0 *uint16
+	_p0, hr = syscall.UTF16PtrFromString(layerPath)
+	if hr != nil {
+		return
+	}
+	var _p1 *uint16
+	_p1, hr = syscall.UTF16PtrFromString(options)
+	if hr != nil {
+		return
+	}
+	return _hcsSetupBaseOSLayer(_p0, handle, _p1)
+}
+
+func _hcsSetupBaseOSLayer(layerPath *uint16, handle windows.Handle, options *uint16) (hr error) {
+	if hr = procHcsSetupBaseOSLayer.Find(); hr != nil {
+		return
+	}
+	r0, _, _ := syscall.Syscall(procHcsSetupBaseOSLayer.Addr(), 3, uintptr(unsafe.Pointer(layerPath)), uintptr(handle), uintptr(unsafe.Pointer(options)))
+	if int32(r0) < 0 {
+		if r0&0x1fff0000 == 0x00070000 {
+			r0 &= 0xffff
+		}
+		hr = syscall.Errno(r0)
+	}
+	return
+}
+
+func hcsInitializeWritableLayer(writableLayerPath string, layerData string, options string) (hr error) {
+	var _p0 *uint16
+	_p0, hr = syscall.UTF16PtrFromString(writableLayerPath)
+	if hr != nil {
+		return
+	}
+	var _p1 *uint16
+	_p1, hr = syscall.UTF16PtrFromString(layerData)
+	if hr != nil {
+		return
+	}
+	var _p2 *uint16
+	_p2, hr = syscall.UTF16PtrFromString(options)
+	if hr != nil {
+		return
+	}
+	return _hcsInitializeWritableLayer(_p0, _p1, _p2)
+}
+
+func _hcsInitializeWritableLayer(writableLayerPath *uint16, layerData *uint16, options *uint16) (hr error) {
+	if hr = procHcsInitializeWritableLayer.Find(); hr != nil {
+		return
+	}
+	r0, _, _ := syscall.Syscall(procHcsInitializeWritableLayer.Addr(), 3, uintptr(unsafe.Pointer(writableLayerPath)), uintptr(unsafe.Pointer(layerData)), uintptr(unsafe.Pointer(options)))
+	if int32(r0) < 0 {
+		if r0&0x1fff0000 == 0x00070000 {
+			r0 &= 0xffff
+		}
+		hr = syscall.Errno(r0)
+	}
+	return
+}
+
+func hcsAttachLayerStorageFilter(layerPath string, layerData string) (hr error) {
+	var _p0 *uint16
+	_p0, hr = syscall.UTF16PtrFromString(layerPath)
+	if hr != nil {
+		return
+	}
+	var _p1 *uint16
+	_p1, hr = syscall.UTF16PtrFromString(layerData)
+	if hr != nil {
+		return
+	}
+	return _hcsAttachLayerStorageFilter(_p0, _p1)
+}
+
+func _hcsAttachLayerStorageFilter(layerPath *uint16, layerData *uint16) (hr error) {
+	if hr = procHcsAttachLayerStorageFilter.Find(); hr != nil {
+		return
+	}
+	r0, _, _ := syscall.Syscall(procHcsAttachLayerStorageFilter.Addr(), 2, uintptr(unsafe.Pointer(layerPath)), uintptr(unsafe.Pointer(layerData)), 0)
+	if int32(r0) < 0 {
+		if r0&0x1fff0000 == 0x00070000 {
+			r0 &= 0xffff
+		}
+		hr = syscall.Errno(r0)
+	}
+	return
+}
+
+func hcsDetachLayerStorageFilter(layerPath string) (hr error) {
+	var _p0 *uint16
+	_p0, hr = syscall.UTF16PtrFromString(layerPath)
+	if hr != nil {
+		return
+	}
+	return _hcsDetachLayerStorageFilter(_p0)
+}
+
+func _hcsDetachLayerStorageFilter(layerPath *uint16) (hr error) {
+	if hr = procHcsDetachLayerStorageFilter.Find(); hr != nil {
+		return
+	}
+	r0, _, _ := syscall.Syscall(procHcsDetachLayerStorageFilter.Addr(), 1, uintptr(unsafe.Pointer(layerPath)), 0, 0)
+	if int32(r0) < 0 {
+		if r0&0x1fff0000 == 0x00070000 {
+			r0 &= 0xffff
+		}
+		hr = syscall.Errno(r0)
+	}
+	return
+}
+
+func hcsFormatWritableLayerVhd(handle windows.Handle) (hr error) {
+	if hr = procHcsFormatWritableLayerVhd.Find(); hr != nil {
+		return
+	}
+	r0, _, _ := syscall.Syscall(procHcsFormatWritableLayerVhd.Addr(), 1, uintptr(handle), 0, 0)
+	if int32(r0) < 0 {
+		if r0&0x1fff0000 == 0x00070000 {
+			r0 &= 0xffff
+		}
+		hr = syscall.Errno(r0)
+	}
+	return
+}
+
+func hcsGetLayerVhdMountPath(vhdHandle windows.Handle, mountPath **uint16) (hr error) {
+	if hr = procHcsGetLayerVhdMountPath.Find(); hr != nil {
+		return
+	}
+	r0, _, _ := syscall.Syscall(procHcsGetLayerVhdMountPath.Addr(), 2, uintptr(vhdHandle), uintptr(unsafe.Pointer(mountPath)), 0)
+	if int32(r0) < 0 {
+		if r0&0x1fff0000 == 0x00070000 {
+			r0 &= 0xffff
+		}
+		hr = syscall.Errno(r0)
+	}
+	return
+}
+
+func hcsSetupBaseOSVolume(layerPath string, volumePath string, options string) (hr error) {
+	var _p0 *uint16
+	_p0, hr = syscall.UTF16PtrFromString(layerPath)
+	if hr != nil {
+		return
+	}
+	var _p1 *uint16
+	_p1, hr = syscall.UTF16PtrFromString(volumePath)
+	if hr != nil {
+		return
+	}
+	var _p2 *uint16
+	_p2, hr = syscall.UTF16PtrFromString(options)
+	if hr != nil {
+		return
+	}
+	return _hcsSetupBaseOSVolume(_p0, _p1, _p2)
+}
+
+func _hcsSetupBaseOSVolume(layerPath *uint16, volumePath *uint16, options *uint16) (hr error) {
+	if hr = procHcsSetupBaseOSVolume.Find(); hr != nil {
+		return
+	}
+	r0, _, _ := syscall.Syscall(procHcsSetupBaseOSVolume.Addr(), 3, uintptr(unsafe.Pointer(layerPath)), uintptr(unsafe.Pointer(volumePath)), uintptr(unsafe.Pointer(options)))
+	if int32(r0) < 0 {
+		if r0&0x1fff0000 == 0x00070000 {
+			r0 &= 0xffff
+		}
+		hr = syscall.Errno(r0)
+	}
+	return
+}

vendor/github.com/Microsoft/hcsshim/container.go

@@ -8,8 +8,8 @@ import (
 	"time"
 
 	"github.com/Microsoft/hcsshim/internal/hcs"
+	"github.com/Microsoft/hcsshim/internal/hcs/schema1"
 	"github.com/Microsoft/hcsshim/internal/mergemaps"
-	"github.com/Microsoft/hcsshim/internal/schema1"
 )
 
 // ContainerProperties holds the properties for a container and the processes running in that container
@@ -196,7 +196,7 @@ func (container *container) MappedVirtualDisks() (map[int]MappedVirtualDiskContr
 
 // CreateProcess launches a new process within the container.
 func (container *container) CreateProcess(c *ProcessConfig) (Process, error) {
-	p, err := container.system.CreateProcessNoStdio(c)
+	p, err := container.system.CreateProcess(context.Background(), c)
 	if err != nil {
 		return nil, convertSystemError(err, container)
 	}

vendor/github.com/Microsoft/hcsshim/errors.go

@@ -83,7 +83,6 @@ type NetworkNotFoundError = hns.NetworkNotFoundError
 type ProcessError struct {
 	Process   *process
 	Operation string
-	ExtraInfo string
 	Err       error
 	Events    []hcs.ErrorEvent
 }
@@ -92,7 +91,6 @@ type ProcessError struct {
 type ContainerError struct {
 	Container *container
 	Operation string
-	ExtraInfo string
 	Err       error
 	Events    []hcs.ErrorEvent
 }
@@ -125,22 +123,9 @@ func (e *ContainerError) Error() string {
 		s += "\n" + ev.String()
 	}
 
-	if e.ExtraInfo != "" {
-		s += " extra info: " + e.ExtraInfo
-	}
-
 	return s
 }
 
-func makeContainerError(container *container, operation string, extraInfo string, err error) error {
-	// Don't double wrap errors
-	if _, ok := err.(*ContainerError); ok {
-		return err
-	}
-	containerError := &ContainerError{Container: container, Operation: operation, ExtraInfo: extraInfo, Err: err}
-	return containerError
-}
-
 func (e *ProcessError) Error() string {
 	if e == nil {
 		return "<nil>"
@@ -171,15 +156,6 @@ func (e *ProcessError) Error() string {
 	return s
 }
 
-func makeProcessError(process *process, operation string, extraInfo string, err error) error {
-	// Don't double wrap errors
-	if _, ok := err.(*ProcessError); ok {
-		return err
-	}
-	processError := &ProcessError{Process: process, Operation: operation, ExtraInfo: extraInfo, Err: err}
-	return processError
-}
-
 // IsNotExist checks if an error is caused by the Container or Process not existing.
 // Note: Currently, ErrElementNotFound can mean that a Process has either
 // already exited, or does not exist. Both IsAlreadyStopped and IsNotExist
@@ -230,6 +206,18 @@ func IsNotSupported(err error) bool {
 	return hcs.IsNotSupported(getInnerError(err))
 }
 
+// IsOperationInvalidState returns true when err is caused by
+// `ErrVmcomputeOperationInvalidState`.
+func IsOperationInvalidState(err error) bool {
+	return hcs.IsOperationInvalidState(getInnerError(err))
+}
+
+// IsAccessIsDenied returns true when err is caused by
+// `ErrVmcomputeOperationAccessIsDenied`.
+func IsAccessIsDenied(err error) bool {
+	return hcs.IsAccessIsDenied(getInnerError(err))
+}
+
 func getInnerError(err error) error {
 	switch pe := err.(type) {
 	case nil:
@@ -244,7 +232,7 @@ func getInnerError(err error) error {
 
 func convertSystemError(err error, c *container) error {
 	if serr, ok := err.(*hcs.SystemError); ok {
-		return &ContainerError{Container: c, Operation: serr.Op, ExtraInfo: serr.Extra, Err: serr.Err, Events: serr.Events}
+		return &ContainerError{Container: c, Operation: serr.Op, Err: serr.Err, Events: serr.Events}
 	}
 	return err
 }

vendor/github.com/Microsoft/hcsshim/go.mod

@@ -1,35 +1,27 @@
 module github.com/Microsoft/hcsshim
 
-go 1.12
+go 1.13
 
 require (
-	github.com/Microsoft/go-winio v0.4.14
-	github.com/blang/semver v3.1.0+incompatible // indirect
-	github.com/containerd/console v0.0.0-20180822173158-c12b1e7919c1
-	github.com/containerd/containerd v0.0.0-20190214164719-faec567304bb
-	github.com/containerd/continuity v0.0.0-20190426062206-aaeac12a7ffc // indirect
-	github.com/containerd/fifo v0.0.0-20190226154929-a9fb20d87448 // indirect
-	github.com/containerd/go-runc v0.0.0-20180907222934-5a6d9f37cfa3
-	github.com/containerd/ttrpc v0.0.0-20180920185216-2a805f718635
-	github.com/containerd/typeurl v0.0.0-20180627222232-a93fcdb778cd
-	github.com/gogo/protobuf v1.2.1
-	github.com/hashicorp/errwrap v0.0.0-20141028054710-7554cd9344ce // indirect
-	github.com/hashicorp/go-multierror v0.0.0-20161216184304-ed905158d874 // indirect
-	github.com/opencontainers/go-digest v0.0.0-20180430190053-c9281466c8b2 // indirect
-	github.com/opencontainers/runc v0.0.0-20190115041553-12f6a991201f // indirect
-	github.com/opencontainers/runtime-spec v0.0.0-20190207185410-29686dbc5559
-	github.com/opencontainers/runtime-tools v0.0.0-20181011054405-1d69bd0f9c39
-	github.com/pkg/errors v0.8.1
-	github.com/sirupsen/logrus v1.4.1
-	github.com/syndtr/gocapability v0.0.0-20170704070218-db04d3cc01c8 // indirect
-	github.com/urfave/cli v0.0.0-20171014202726-7bc6a0acffa5
-	github.com/xeipuuv/gojsonpointer v0.0.0-20180127040702-4e3ac2762d5f // indirect
-	github.com/xeipuuv/gojsonreference v0.0.0-20180127040603-bd5ef7bd5415 // indirect
-	github.com/xeipuuv/gojsonschema v0.0.0-20180618132009-1d523034197f // indirect
-	go.opencensus.io v0.22.0
-	golang.org/x/sync v0.0.0-20190227155943-e225da77a7e6
-	golang.org/x/sys v0.0.0-20190507160741-ecd444e8653b
-	google.golang.org/grpc v1.20.1
-	gotest.tools v2.2.0+incompatible // indirect
-	k8s.io/kubernetes v1.13.0
+	github.com/Microsoft/go-winio v0.4.17
+	github.com/containerd/cgroups v1.0.1
+	github.com/containerd/console v1.0.2
+	github.com/containerd/containerd v1.5.1
+	github.com/containerd/go-runc v1.0.0
+	github.com/containerd/ttrpc v1.0.2
+	github.com/containerd/typeurl v1.0.2
+	github.com/gogo/protobuf v1.3.2
+	github.com/opencontainers/runtime-spec v1.0.3-0.20200929063507-e6143ca7d51d
+	github.com/pkg/errors v0.9.1
+	github.com/sirupsen/logrus v1.7.0
+	github.com/urfave/cli v1.22.2
+	go.opencensus.io v0.22.3
+	golang.org/x/sync v0.0.0-20201207232520-09787c993a3a
+	golang.org/x/sys v0.0.0-20210324051608-47abb6519492
+	google.golang.org/grpc v1.33.2
+)
+
+replace (
+	google.golang.org/genproto => google.golang.org/genproto v0.0.0-20200224152610-e50cd9704f63
+	google.golang.org/grpc => google.golang.org/grpc v1.27.1
 )

vendor/github.com/Microsoft/hcsshim/go.sum

@@ -1,119 +1,885 @@
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vendor/github.com/Microsoft/hcsshim/hnsendpoint.go

@@ -40,6 +40,9 @@ func HNSListEndpointRequest() ([]HNSEndpoint, error) {
 // HotAttachEndpoint makes a HCS Call to attach the endpoint to the container
 func HotAttachEndpoint(containerID string, endpointID string) error {
 	endpoint, err := GetHNSEndpointByID(endpointID)
+	if err != nil {
+		return err
+	}
 	isAttached, err := endpoint.IsAttached(containerID)
 	if isAttached {
 		return err
@@ -50,6 +53,9 @@ func HotAttachEndpoint(containerID string, endpointID string) error {
 // HotDetachEndpoint makes a HCS Call to detach the endpoint from the container
 func HotDetachEndpoint(containerID string, endpointID string) error {
 	endpoint, err := GetHNSEndpointByID(endpointID)
+	if err != nil {
+		return err
+	}
 	isAttached, err := endpoint.IsAttached(containerID)
 	if !isAttached {
 		return err

vendor/github.com/Microsoft/hcsshim/hnspolicy.go

@@ -21,8 +21,11 @@ const (
 	OutboundNat          = hns.OutboundNat
 	ExternalLoadBalancer = hns.ExternalLoadBalancer
 	Route                = hns.Route
+	Proxy                = hns.Proxy
 )
 
+type ProxyPolicy = hns.ProxyPolicy
+
 type NatPolicy = hns.NatPolicy
 
 type QosPolicy = hns.QosPolicy

vendor/github.com/Microsoft/hcsshim/interface.go

@@ -4,7 +4,7 @@ import (
 	"io"
 	"time"
 
-	"github.com/Microsoft/hcsshim/internal/schema1"
+	"github.com/Microsoft/hcsshim/internal/hcs/schema1"
 )
 
 // ProcessConfig is used as both the input of Container.CreateProcess

vendor/github.com/Microsoft/hcsshim/internal/cow/cow.go

@@ -4,7 +4,8 @@ import (
 	"context"
 	"io"
 
-	"github.com/Microsoft/hcsshim/internal/schema1"
+	"github.com/Microsoft/hcsshim/internal/hcs/schema1"
+	hcsschema "github.com/Microsoft/hcsshim/internal/hcs/schema2"
 )
 
 // Process is the interface for an OS process running in a container or utility VM.
@@ -16,6 +17,12 @@ type Process interface {
 	// CloseStdin causes the process's stdin handle to receive EOF/EPIPE/whatever
 	// is appropriate to indicate that no more data is available.
 	CloseStdin(ctx context.Context) error
+	// CloseStdout closes the stdout connection to the process. It is used to indicate
+	// that we are done receiving output on the shim side.
+	CloseStdout(ctx context.Context) error
+	// CloseStderr closes the stderr connection to the process. It is used to indicate
+	// that we are done receiving output on the shim side.
+	CloseStderr(ctx context.Context) error
 	// Pid returns the process ID.
 	Pid() int
 	// Stdio returns the stdio streams for a process. These may be nil if a stream
@@ -63,8 +70,10 @@ type Container interface {
 	Close() error
 	// ID returns the container ID.
 	ID() string
-	// Properties returns the requested container properties.
+	// Properties returns the requested container properties targeting a V1 schema container.
 	Properties(ctx context.Context, types ...schema1.PropertyType) (*schema1.ContainerProperties, error)
+	// PropertiesV2 returns the requested container properties targeting a V2 schema container.
+	PropertiesV2(ctx context.Context, types ...hcsschema.PropertyType) (*hcsschema.Properties, error)
 	// Start starts a container.
 	Start(ctx context.Context) error
 	// Shutdown sends a shutdown request to the container (but does not wait for
@@ -77,4 +86,6 @@ type Container interface {
 	// container to be terminated by some error condition (including calling
 	// Close).
 	Wait() error
+	// Modify sends a request to modify container resources
+	Modify(ctx context.Context, config interface{}) error
 }

vendor/github.com/Microsoft/hcsshim/internal/hcs/callback.go

@@ -13,7 +13,7 @@ import (
 
 var (
 	nextCallback    uintptr
-	callbackMap     = map[uintptr]*notifcationWatcherContext{}
+	callbackMap     = map[uintptr]*notificationWatcherContext{}
 	callbackMapLock = sync.RWMutex{}
 
 	notificationWatcherCallback = syscall.NewCallback(notificationWatcher)
@@ -87,7 +87,7 @@ func (hn hcsNotification) String() string {
 
 type notificationChannel chan error
 
-type notifcationWatcherContext struct {
+type notificationWatcherContext struct {
 	channels notificationChannels
 	handle   vmcompute.HcsCallback
 
@@ -106,6 +106,7 @@ func newSystemChannels() notificationChannels {
 		hcsNotificationSystemStartCompleted,
 		hcsNotificationSystemPauseCompleted,
 		hcsNotificationSystemResumeCompleted,
+		hcsNotificationSystemSaveCompleted,
 	} {
 		channels[notif] = make(notificationChannel, 1)
 	}

vendor/github.com/Microsoft/hcsshim/internal/hcs/cgo.go

@@ -1,7 +0,0 @@
-package hcs
-
-import "C"
-
-// This import is needed to make the library compile as CGO because HCSSHIM
-// only works with CGO due to callbacks from HCS comming back from a C thread
-// which is not supported without CGO. See https://github.com/golang/go/issues/10973

vendor/github.com/Microsoft/hcsshim/internal/hcs/errors.go

@@ -171,7 +171,6 @@ type SystemError struct {
 	ID     string
 	Op     string
 	Err    error
-	Extra  string
 	Events []ErrorEvent
 }
 
@@ -182,9 +181,6 @@ func (e *SystemError) Error() string {
 	for _, ev := range e.Events {
 		s += "\n" + ev.String()
 	}
-	if e.Extra != "" {
-		s += "\n(extra info: " + e.Extra + ")"
-	}
 	return s
 }
 
@@ -198,7 +194,7 @@ func (e *SystemError) Timeout() bool {
 	return ok && err.Timeout()
 }
 
-func makeSystemError(system *System, op string, extra string, err error, events []ErrorEvent) error {
+func makeSystemError(system *System, op string, err error, events []ErrorEvent) error {
 	// Don't double wrap errors
 	if _, ok := err.(*SystemError); ok {
 		return err
@@ -206,7 +202,6 @@ func makeSystemError(system *System, op string, extra string, err error, events
 	return &SystemError{
 		ID:     system.ID(),
 		Op:     op,
-		Extra:  extra,
 		Err:    err,
 		Events: events,
 	}
@@ -312,6 +307,13 @@ func IsOperationInvalidState(err error) bool {
 	return err == ErrVmcomputeOperationInvalidState
 }
 
+// IsAccessIsDenied returns true when err is caused by
+// `ErrVmcomputeOperationAccessIsDenied`.
+func IsAccessIsDenied(err error) bool {
+	err = getInnerError(err)
+	return err == ErrVmcomputeOperationAccessIsDenied
+}
+
 func getInnerError(err error) error {
 	switch pe := err.(type) {
 	case nil:
@@ -325,12 +327,3 @@ func getInnerError(err error) error {
 	}
 	return err
 }
-
-func getOperationLogResult(err error) (string, error) {
-	switch err {
-	case nil:
-		return "Success", nil
-	default:
-		return "Error", err
-	}
-}

vendor/github.com/Microsoft/hcsshim/internal/hcs/process.go

@@ -20,6 +20,8 @@ type Process struct {
 	handle         vmcompute.HcsProcess
 	processID      int
 	system         *System
+	hasCachedStdio bool
+	stdioLock      sync.Mutex
 	stdin          io.WriteCloser
 	stdout         io.ReadCloser
 	stderr         io.ReadCloser
@@ -62,11 +64,7 @@ type processStatus struct {
 	LastWaitResult int32
 }
 
-const (
-	stdIn  string = "StdIn"
-	stdOut string = "StdOut"
-	stdErr string = "StdErr"
-)
+const stdIn string = "StdIn"
 
 const (
 	modifyConsoleSize string = "ConsoleSize"
@@ -120,7 +118,7 @@ func (process *Process) Signal(ctx context.Context, options interface{}) (bool,
 	process.handleLock.RLock()
 	defer process.handleLock.RUnlock()
 
-	operation := "hcsshim::Process::Signal"
+	operation := "hcs::Process::Signal"
 
 	if process.handle == 0 {
 		return false, makeProcessError(process, operation, ErrAlreadyClosed, nil)
@@ -145,7 +143,7 @@ func (process *Process) Kill(ctx context.Context) (bool, error) {
 	process.handleLock.RLock()
 	defer process.handleLock.RUnlock()
 
-	operation := "hcsshim::Process::Kill"
+	operation := "hcs::Process::Kill"
 
 	if process.handle == 0 {
 		return false, makeProcessError(process, operation, ErrAlreadyClosed, nil)
@@ -166,7 +164,7 @@ func (process *Process) Kill(ctx context.Context) (bool, error) {
 // This MUST be called exactly once per `process.handle` but `Wait` is safe to
 // call multiple times.
 func (process *Process) waitBackground() {
-	operation := "hcsshim::Process::waitBackground"
+	operation := "hcs::Process::waitBackground"
 	ctx, span := trace.StartSpan(context.Background(), operation)
 	defer span.End()
 	span.AddAttributes(
@@ -174,8 +172,10 @@ func (process *Process) waitBackground() {
 		trace.Int64Attribute("pid", int64(process.processID)))
 
 	var (
-		err      error
-		exitCode = -1
+		err            error
+		exitCode       = -1
+		propertiesJSON string
+		resultJSON     string
 	)
 
 	err = waitForNotification(ctx, process.callbackNumber, hcsNotificationProcessExited, nil)
@@ -188,15 +188,15 @@ func (process *Process) waitBackground() {
 
 		// Make sure we didnt race with Close() here
 		if process.handle != 0 {
-			propertiesJSON, resultJSON, err := vmcompute.HcsGetProcessProperties(ctx, process.handle)
+			propertiesJSON, resultJSON, err = vmcompute.HcsGetProcessProperties(ctx, process.handle)
 			events := processHcsResult(ctx, resultJSON)
 			if err != nil {
-				err = makeProcessError(process, operation, err, events)
+				err = makeProcessError(process, operation, err, events) //nolint:ineffassign
 			} else {
 				properties := &processStatus{}
 				err = json.Unmarshal([]byte(propertiesJSON), properties)
 				if err != nil {
-					err = makeProcessError(process, operation, err, nil)
+					err = makeProcessError(process, operation, err, nil) //nolint:ineffassign
 				} else {
 					if properties.LastWaitResult != 0 {
 						log.G(ctx).WithField("wait-result", properties.LastWaitResult).Warning("non-zero last wait result")
@@ -229,7 +229,7 @@ func (process *Process) ResizeConsole(ctx context.Context, width, height uint16)
 	process.handleLock.RLock()
 	defer process.handleLock.RUnlock()
 
-	operation := "hcsshim::Process::ResizeConsole"
+	operation := "hcs::Process::ResizeConsole"
 
 	if process.handle == 0 {
 		return makeProcessError(process, operation, ErrAlreadyClosed, nil)
@@ -267,15 +267,15 @@ func (process *Process) ExitCode() (int, error) {
 		}
 		return process.exitCode, nil
 	default:
-		return -1, makeProcessError(process, "hcsshim::Process::ExitCode", ErrInvalidProcessState, nil)
+		return -1, makeProcessError(process, "hcs::Process::ExitCode", ErrInvalidProcessState, nil)
 	}
 }
 
 // StdioLegacy returns the stdin, stdout, and stderr pipes, respectively. Closing
-// these pipes does not close the underlying pipes; but this function can only
-// be called once on each Process.
+// these pipes does not close the underlying pipes. Once returned, these pipes
+// are the responsibility of the caller to close.
 func (process *Process) StdioLegacy() (_ io.WriteCloser, _ io.ReadCloser, _ io.ReadCloser, err error) {
-	operation := "hcsshim::Process::StdioLegacy"
+	operation := "hcs::Process::StdioLegacy"
 	ctx, span := trace.StartSpan(context.Background(), operation)
 	defer span.End()
 	defer func() { oc.SetSpanStatus(span, err) }()
@@ -290,6 +290,15 @@ func (process *Process) StdioLegacy() (_ io.WriteCloser, _ io.ReadCloser, _ io.R
 		return nil, nil, nil, makeProcessError(process, operation, ErrAlreadyClosed, nil)
 	}
 
+	process.stdioLock.Lock()
+	defer process.stdioLock.Unlock()
+	if process.hasCachedStdio {
+		stdin, stdout, stderr := process.stdin, process.stdout, process.stderr
+		process.stdin, process.stdout, process.stderr = nil, nil, nil
+		process.hasCachedStdio = false
+		return stdin, stdout, stderr, nil
+	}
+
 	processInfo, resultJSON, err := vmcompute.HcsGetProcessInfo(ctx, process.handle)
 	events := processHcsResult(ctx, resultJSON)
 	if err != nil {
@@ -307,6 +316,8 @@ func (process *Process) StdioLegacy() (_ io.WriteCloser, _ io.ReadCloser, _ io.R
 // Stdio returns the stdin, stdout, and stderr pipes, respectively.
 // To close them, close the process handle.
 func (process *Process) Stdio() (stdin io.Writer, stdout, stderr io.Reader) {
+	process.stdioLock.Lock()
+	defer process.stdioLock.Unlock()
 	return process.stdin, process.stdout, process.stderr
 }
 
@@ -316,7 +327,7 @@ func (process *Process) CloseStdin(ctx context.Context) error {
 	process.handleLock.RLock()
 	defer process.handleLock.RUnlock()
 
-	operation := "hcsshim::Process::CloseStdin"
+	operation := "hcs::Process::CloseStdin"
 
 	if process.handle == 0 {
 		return makeProcessError(process, operation, ErrAlreadyClosed, nil)
@@ -340,8 +351,61 @@ func (process *Process) CloseStdin(ctx context.Context) error {
 		return makeProcessError(process, operation, err, events)
 	}
 
+	process.stdioLock.Lock()
 	if process.stdin != nil {
 		process.stdin.Close()
+		process.stdin = nil
+	}
+	process.stdioLock.Unlock()
+
+	return nil
+}
+
+func (process *Process) CloseStdout(ctx context.Context) (err error) {
+	ctx, span := trace.StartSpan(ctx, "hcs::Process::CloseStdout") //nolint:ineffassign,staticcheck
+	defer span.End()
+	defer func() { oc.SetSpanStatus(span, err) }()
+	span.AddAttributes(
+		trace.StringAttribute("cid", process.SystemID()),
+		trace.Int64Attribute("pid", int64(process.processID)))
+
+	process.handleLock.Lock()
+	defer process.handleLock.Unlock()
+
+	if process.handle == 0 {
+		return nil
+	}
+
+	process.stdioLock.Lock()
+	defer process.stdioLock.Unlock()
+	if process.stdout != nil {
+		process.stdout.Close()
+		process.stdout = nil
+	}
+	return nil
+}
+
+func (process *Process) CloseStderr(ctx context.Context) (err error) {
+	ctx, span := trace.StartSpan(ctx, "hcs::Process::CloseStderr") //nolint:ineffassign,staticcheck
+	defer span.End()
+	defer func() { oc.SetSpanStatus(span, err) }()
+	span.AddAttributes(
+		trace.StringAttribute("cid", process.SystemID()),
+		trace.Int64Attribute("pid", int64(process.processID)))
+
+	process.handleLock.Lock()
+	defer process.handleLock.Unlock()
+
+	if process.handle == 0 {
+		return nil
+	}
+
+	process.stdioLock.Lock()
+	defer process.stdioLock.Unlock()
+	if process.stderr != nil {
+		process.stderr.Close()
+		process.stderr = nil
+
 	}
 	return nil
 }
@@ -349,7 +413,7 @@ func (process *Process) CloseStdin(ctx context.Context) error {
 // Close cleans up any state associated with the process but does not kill
 // or wait on it.
 func (process *Process) Close() (err error) {
-	operation := "hcsshim::Process::Close"
+	operation := "hcs::Process::Close"
 	ctx, span := trace.StartSpan(context.Background(), operation)
 	defer span.End()
 	defer func() { oc.SetSpanStatus(span, err) }()
@@ -365,15 +429,20 @@ func (process *Process) Close() (err error) {
 		return nil
 	}
 
+	process.stdioLock.Lock()
 	if process.stdin != nil {
 		process.stdin.Close()
+		process.stdin = nil
 	}
 	if process.stdout != nil {
 		process.stdout.Close()
+		process.stdout = nil
 	}
 	if process.stderr != nil {
 		process.stderr.Close()
+		process.stderr = nil
 	}
+	process.stdioLock.Unlock()
 
 	if err = process.unregisterCallback(ctx); err != nil {
 		return makeProcessError(process, operation, err, nil)
@@ -394,7 +463,7 @@ func (process *Process) Close() (err error) {
 }
 
 func (process *Process) registerCallback(ctx context.Context) error {
-	callbackContext := &notifcationWatcherContext{
+	callbackContext := &notificationWatcherContext{
 		channels:  newProcessChannels(),
 		systemID:  process.SystemID(),
 		processID: process.processID,
@@ -446,7 +515,7 @@ func (process *Process) unregisterCallback(ctx context.Context) error {
 	delete(callbackMap, callbackNumber)
 	callbackMapLock.Unlock()
 
-	handle = 0
+	handle = 0 //nolint:ineffassign
 
 	return nil
 }

vendor/github.com/Microsoft/hcsshim/internal/hcs/schema1/schema1.go

@@ -5,7 +5,7 @@ import (
 	"time"
 
 	"github.com/Microsoft/go-winio/pkg/guid"
-	hcsschema "github.com/Microsoft/hcsshim/internal/schema2"
+	hcsschema "github.com/Microsoft/hcsshim/internal/hcs/schema2"
 )
 
 // ProcessConfig is used as both the input of Container.CreateProcess
@@ -119,9 +119,9 @@ type PropertyType string
 
 const (
 	PropertyTypeStatistics        PropertyType = "Statistics"        // V1 and V2
-	PropertyTypeProcessList                    = "ProcessList"       // V1 and V2
-	PropertyTypeMappedVirtualDisk              = "MappedVirtualDisk" // Not supported in V2 schema call
-	PropertyTypeGuestConnection                = "GuestConnection"   // V1 and V2. Nil return from HCS before RS5
+	PropertyTypeProcessList       PropertyType = "ProcessList"       // V1 and V2
+	PropertyTypeMappedVirtualDisk PropertyType = "MappedVirtualDisk" // Not supported in V2 schema call
+	PropertyTypeGuestConnection   PropertyType = "GuestConnection"   // V1 and V2. Nil return from HCS before RS5
 )
 
 type PropertyQuery struct {
@@ -214,9 +214,11 @@ type MappedVirtualDiskController struct {
 
 // GuestDefinedCapabilities is part of the GuestConnectionInfo returned by a GuestConnection call on a utility VM
 type GuestDefinedCapabilities struct {
-	NamespaceAddRequestSupported bool `json:",omitempty"`
-	SignalProcessSupported       bool `json:",omitempty"`
-	DumpStacksSupported          bool `json:",omitempty"`
+	NamespaceAddRequestSupported  bool `json:",omitempty"`
+	SignalProcessSupported        bool `json:",omitempty"`
+	DumpStacksSupported           bool `json:",omitempty"`
+	DeleteContainerStateSupported bool `json:",omitempty"`
+	UpdateContainerSupported      bool `json:",omitempty"`
 }
 
 // GuestConnectionInfo is the structure of an iterm return by a GuestConnection call on a utility VM