22 Commits

Author SHA1 Message Date
1f610f2128 Use Desired Replicas when scaling from zero
During some exploratory testing, I ran into an issue where
the gateway would attempt to scale a deployment from zero
replicas to min, despite there already being min replicas.

Why?

The scaling logic was looking for Available replicas when
it should have looked for Desired replicas. So when a
deployment had zero ready replicas due to readiness checks
failing, the gateway was attempting to scale from zero
to min.

This logic has been corrected and separated from the
a holding pattern where the gateway waits for a ready
replica.

Tested with KinD and an edited function which had a
readiness probe, which was failing and no ready
replicas. As desired, the gateway did not scale to min.

However, when setting desired replicas to zero, the
gateway did scale up as expected.

This change also modifies all print statements for
"seconds" and makes them use 4 decimal places instead of
the default which was a longer, more verbose string for
the logs.

Signed-off-by: Alex Ellis (OpenFaaS Ltd) <alexellis2@gmail.com>
2022-09-08 07:58:40 +01:00
4604271076 Introduce welcome message and change default timeout
The welcome message shows the difference between
Pro and CE.

The timeout of 8 seconds was never going to be useful as
a default, so changing to 60 seconds.

Signed-off-by: Alex Ellis (OpenFaaS Ltd) <alex@openfaas.com>
2022-08-30 14:02:44 +01:00
9fccc67b9c Remove OpenFaaS Pro metrics from OpenFaaS CE
* Removes service min and target metrics from the CE gateway

OpenFaaS Pro metrics are no longer required in OpenFaaS CE
since there is an OpenFaaS Pro gateway available.

Signed-off-by: Alex Ellis (OpenFaaS Ltd) <alex@openfaas.com>
2022-08-30 11:30:58 +01:00
dc2a7a0c6e Update alpine version for basic-auth-plugin
Signed-off-by: Alex Ellis (OpenFaaS Ltd) <alex@openfaas.com>
2022-08-24 18:31:14 +01:00
ce5ea178ec Upgrade x/sync, Prometheus client and faas-provider
Signed-off-by: Alex Ellis (OpenFaaS Ltd) <alex@openfaas.com>
2022-08-24 18:12:23 +01:00
20b62e3cc9 Remove deprecated files
Signed-off-by: Alex Ellis (OpenFaaS Ltd) <alex@openfaas.com>
2022-08-24 18:09:02 +01:00
2e8ec683eb Update README.md
Signed-off-by: Alex Ellis <alexellis2@gmail.com>
2022-08-24 11:46:39 +01:00
774c7bb133 Update README.md
Signed-off-by: Alex Ellis <alexellis2@gmail.com>
2022-08-24 11:45:07 +01:00
40bb3581b7 Remove sample-functions in favour of newer examples
Signed-off-by: Alex Ellis (OpenFaaS Ltd) <alex@openfaas.com>
2022-08-24 11:44:05 +01:00
1ee7db994c Remove deprecated stack files
Signed-off-by: Alex Ellis (OpenFaaS Ltd) <alex@openfaas.com>
2022-08-24 11:35:37 +01:00
2cdc7f3083 Update ADOPTERS.md
Signed-off-by: Derek Colley <derek@colley.cc>
2022-08-11 12:22:34 +01:00
b87b96ae45 Migrate to Go 1.18 and update dependencies
Signed-off-by: Alex Ellis (OpenFaaS Ltd) <alex@openfaas.com>
2022-08-05 09:03:31 +01:00
2e14a34243 Update example for golang-http
Fixes: #1741

Signed-off-by: Alex Ellis (OpenFaaS Ltd) <alexellis2@gmail.com>
2022-07-13 14:32:33 +01:00
88eea5f62e Feature for probing functions
Introduces a single-flight call to a function's health
endpoint to verify that it is registered with an Istio
sidecar (Envoy) before letting the invocation through.

Results are cached for 5 seconds, before a probe is
required again.

Tested without Istio, with probe_functions environment
variable set to true, I saw a probe execute in the logs.

Fixes: #1721 for Istio users.

Signed-off-by: Alex Ellis (OpenFaaS Ltd) <alex@openfaas.com>
2022-07-07 10:35:07 +01:00
01841f605c Use sync package from unofficial Go library
Uses the sync package from the unofficial Go library instead
of simpler solution.

Signed-off-by: Alex Ellis (OpenFaaS Ltd) <alex@openfaas.com>
2022-06-29 09:43:58 +01:00
6ed0ab71fb Move to single-flight for back-end queries
When querying for replicas during a scale up event, then the
gateway can overwhelm the provider with requests. This is
especially true under high concurrent load.

The changes in this PR limit the inflight requests.

Signed-off-by: Alex Ellis (OpenFaaS Ltd) <alex@openfaas.com>
2022-06-29 09:43:58 +01:00
8f8a93d43f Add Makefile for testing gateway builds
Signed-off-by: Alex Ellis (OpenFaaS Ltd) <alex@openfaas.com>
2022-06-29 09:43:58 +01:00
08279fb79b Update a couple of adopters as disclosed outside of NDA
Signed-off-by: Alex Ellis (OpenFaaS Ltd) <alexellis2@gmail.com>
2022-06-06 14:50:40 +01:00
df3d59c918 Removed newline and corrected markdown-table for Interviews and podcasts
👋 
There was an extra newline character after the first entry in the `Interviews and podcasts` sections breaking the markdown preview. Corrected it.

Signed-off-by: Andreas Mosti <andreas.mosti@gmail.com>
2022-06-04 08:37:20 +01:00
d1022c410a Add blog post on event-driven edge
Signed-off-by: Han Verstraete (OpenFaaS Ltd) <han@openfaas.com>
2022-06-04 08:34:21 +01:00
5b77ad4af0 Add blog post on running faasd on azure arm vm
Signed-off-by: Han Verstraete (OpenFaaS Ltd) <han@openfaas.com>
2022-06-02 08:56:07 +01:00
cc2f38938e Add HTTP status code to histogram
The histogram for gateway_functions_seconds excluded the status
code that gives important information for setting up SLOs.

Fixes: #1725

Signed-off-by: Alex Ellis (OpenFaaS Ltd) <alex@openfaas.com>
2022-06-01 10:14:18 +01:00
1328 changed files with 38117 additions and 214377 deletions

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@ -2,7 +2,7 @@ curators:
- alexellis
- LucasRoesler
- viveksyngh
- Waterdrips
- nitishkumar71
- rgee0
- welteki
@ -13,43 +13,3 @@ features:
- release_notes
contributing_url: https://github.com/openfaas/faas/blob/master/CONTRIBUTING.md
required_in_issues:
- "## Why do you need this?"
- "## Expected Behaviour"
- "## Current Behaviour"
- "## Steps to Reproduce (for bugs)"
- "## Your Environment"
custom_messages:
messages:
- name: template
value: |
Your issue has been marked as *invalid* because you've deleted or removed questions from our issue template.
If you wish to participate in this community, then you need to follow guidelines set by the maintainers.
You will find the template in the .github folder, edit your issue and use the whole issue template, so that we can help you.
- name: propose
value: |
This project follows a contributing guide which states that all
changes must be proposed with an Issue before being worked on.
Please raise an Issue and update your Pull Request to include
the ID or link as part of the description.
Thank you for your contribution.
- name: test
value: |
This project follows a contributing guide which requires that
all changes are tested before being merged. You should include
worked examples that a maintainer can run to prove that the
changes are good.
Screenshots and command line output are also accepted, but
must show the positive, and negative cases, not just that
what was added worked as you expected.
Thank you for your contribution.

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@ -14,7 +14,7 @@ jobs:
runs-on: ubuntu-latest
strategy:
matrix:
go-version: [1.17.x]
go-version: [1.18.x]
steps:
- uses: actions/checkout@master
with:

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@ -11,7 +11,7 @@ jobs:
runs-on: ubuntu-latest
strategy:
matrix:
go-version: [1.17.x]
go-version: [1.18.x]
steps:
- uses: actions/checkout@master
with:

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@ -43,7 +43,7 @@ Tell us more:
* [Dragonchain](https://dragonchain.com/) - "At Dragonchain, we focus on creating a hybrid blockchain-as-a-service product, with integrations of OpenFaaS as our 'smart contract' platform, to be able to automatically run customer code based on interactions that occur on the blockchain. This allows us to be extremely flexible, as customers only have to create a docker container and give it to us in order to create a 'smart contract' which can have deep integrations with our blockchain itself.". Blog: [Dragonchain & OpenFaaS](https://dragonchain.com/blog/blockchain-as-a-service-at-scale-for-enterprise)
* [Edgedelta](https://www.edgedelta.com/) - "OpenFaaS powers parts of the "edge observability platform"
* [Edge Delta](https://www.edgedelta.com/) - "OpenFaaS powers parts of the "edge observability platform"
* [First Baptist Church Carrollton](https://www.fbcc.us) - "We use faasd as the backend for a Slack bot connected to our internal Slack workspace. The bot was initially created to facilitate remote question and answer sessions at our church by allowing viewers of our live stream to text or email questions in, have a staff member ask their question in the room, and then allow the staff member to send a response back to the sender. The texting is facilitated by Twilio while the email is done by interacting with a Gmail account via IMAP and SMTP."
@ -53,6 +53,8 @@ Tell us more:
* [GMO Internet](https://www.gmo.jp/en/)
* [HPE](https://www.hpe.com/) - HPE Ezmeral is a purpose-built, hybrid cloud platform for data science and analytics workloads.
* [HM Planning Inspectorate](http://www.planninginspectorate.gov.uk) - HM Planning Inspectorate is the UK Government body responsible for dealing with planning appeals, national infrastructure planning applications, examinations of local plans and other specialist casework in England and Wales. OpenFaaS eased the communication between the new planning appeals website and the monolithic back-office application and allowed easy retries in the event of network failure.
* [Iconscout](https://iconscout.com) - e-commerce site for stock photography and icons. OpenFaaS is used to resize images and to bundle assets for customers.
@ -65,6 +67,8 @@ Tell us more:
* [LivePerson](https://www.liveperson.com/) - LivePerson extended their chat platform by allowing customers to write functions to execute in client chat flows. See [KubeCon video](https://www.youtube.com/watch?v=bt06Z28uzPA)
* [metaspan](https://metaspan.com) - "End-to-end blockchain solutions". metaspan ported all api endpoints from monolith express.js/sails.js to openfaas micro-functions.
* [MoneyLion](https://www.moneylion.com/)
* [Naamio](https://naamio.cloud/) - "Naamio are providing an event-based serverless API to developers to enable rapid development of decentralized applications on the cloud. By providing progressive enhancement within the developer tools, OpenFaaS has enabled Naamio to go from clustered Docker container deployments with REST APIs using Kubernetes, to load balanced deployable functions over an open event queue interface. It was key to enabling a standard multilingual development kit across cloud providers."
@ -95,6 +99,8 @@ Tell us more:
* [Traversals](https://traversals.com/) - At Traversals, we use OpenFaaS for processing of incoming data. We take benefit from various programming languages available in OpenFaaS.
* [T-Mobile](https://www.t-mobile.com/) - T-Mobile is a global mobile network that provides mobile data, voice and text services to consumers and businesses.
* [UStore](http://ustore.com.br/) - "We're using OpenFaaS in production"
* [Very Good Security](https://www.verygoodsecurity.com) - VGS uses OpenFaaS to build a solid foundation for the development, deployment, and execution of custom logic on customer payloads as part of their secure compute platform.

1
CNAME
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@ -1 +0,0 @@
docs.get-faas.com

106
DEV.md
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@ -1,106 +0,0 @@
## Develop your own function
### Working on the API Gateway or Watchdog
To work on either of the FaaS Golang components checkout the "./build.sh" scripts and acompanying Dockerfiles.
* [Roadmap and Contributing](https://github.com/openfaas/faas/blob/master/ROADMAP.md)
### Creating a function
Functions run as Docker containers with the Watchdog component embedded to handle communication with the API Gateway.
You can find the [reference documentation for the Watchdog here](https://github.com/openfaas/faas/tree/master/watchdog).
**Markdown Parser**
This is the basis of a function which generates HTML from MarkDown:
```
FROM golang:1.9.7
RUN mkdir -p /go/src/app
COPY handler.go /go/src/app
WORKDIR /go/src/app
RUN go get github.com/microcosm-cc/bluemonday && \
go get github.com/russross/blackfriday
RUN CGO_ENABLED=0 GOOS=linux go build -a -installsuffix cgo -o app .
ADD https://github.com/openfaas/faas/releases/download/0.9.14/fwatchdog /usr/bin
RUN chmod +x /usr/bin/fwatchdog
ENV fprocess="/go/src/app/app"
CMD ["/usr/bin/fwatchdog"]
```
The base Docker container is not important, you just need to add the watchdog component and then set the fprocess to execute your binary at runtime.
Update the Docker stack with this:
```
markdown:
image: alexellis2/faas-markdownrender:latest
labels:
function: "true"
networks:
- functions
```
**Word counter with busybox**
```
FROM alpine:latest
ADD https://github.com/openfaas/faas/releases/download/0.9.14/fwatchdog /usr/bin
RUN chmod +x /usr/bin/fwatchdog
ENV fprocess="wc"
CMD ["fwatchdog"]
```
Update your Docker stack with this definition:
```
wordcount:
image: alexellis2/faas-alpinefunction:latest
labels:
function: "true"
networks:
- functions
environment:
fprocess: "wc"
```
**Tip:**
You can optimize Docker to cache getting the watchdog by using curl, instead of ADD.
To do so, replace the related lines with:
```
RUN apt-get update && apt-get install -y curl \
&& curl -sL https://github.com/openfaas/faas/releases/download/0.9.14/fwatchdog > /usr/bin/fwatchdog \
&& chmod +x /usr/bin/fwatchdog \
&& rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/*
```
or with the following for Alpine based images:
```
RUN apk --no-cache add curl \
&& curl -sL https://github.com/openfaas/faas/releases/download/0.9.14/fwatchdog > /usr/bin/fwatchdog \
&& chmod +x /usr/bin/fwatchdog
```
### Testing your function
You can test your function through a webbrowser against the UI portal on port 8080.
http://localhost:8080/
You can also invoke a function by name with curl:
```
curl --data-binary @README.md http://localhost:8080/function/func_wordcount
```

View File

@ -79,19 +79,21 @@ Official templates exist for many popular languages and are easily extensible wi
package function
import (
"log"
"fmt"
"net/http"
"github.com/openfaas-incubator/go-function-sdk"
handler "github.com/openfaas/templates-sdk/go-http"
)
// Handle a function invocation
func Handle(req handler.Request) (handler.Response, error) {
var err error
message := fmt.Sprintf("Body: %s", string(req.Body))
return handler.Response{
Body: []byte("Try us out today!"),
Header: map[string][]string{
"X-Served-By": []string{"openfaas.com"},
},
Body: []byte(message),
StatusCode: http.StatusOK,
}, err
}
```

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@ -1 +1,2 @@
theme: jekyll-theme-cayman
theme: jekyll-theme-cayman

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@ -1,6 +1,6 @@
FROM --platform=${BUILDPLATFORM:-linux/amd64} ghcr.io/openfaas/license-check:0.4.0 as license-check
FROM --platform=${BUILDPLATFORM:-linux/amd64} golang:1.17 as build
FROM --platform=${BUILDPLATFORM:-linux/amd64} golang:1.18 as build
ENV GO111MODULE=off
ENV CGO_ENABLED=0
@ -26,7 +26,7 @@ RUN CGO_ENABLED=${CGO_ENABLED} GOOS=${TARGETOS} GOARCH=${TARGETARCH} go test -v
RUN CGO_ENABLED=${CGO_ENABLED} GOOS=${TARGETOS} GOARCH=${TARGETARCH} go build \
--ldflags "-s -w" -a -installsuffix cgo -o handler .
FROM --platform=${TARGETPLATFORM:-linux/amd64} alpine:3.16.0 as ship
FROM --platform=${TARGETPLATFORM:-linux/amd64} alpine:3.16.2 as ship
# Add non-root user
RUN addgroup -S app && adduser -S -g app app \
&& mkdir -p /home/app \

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@ -3,6 +3,6 @@ module github.com/openfaas/faas/auth/basic-auth
go 1.17
require (
github.com/openfaas/faas-provider v0.18.9
github.com/pkg/errors v0.8.1
github.com/openfaas/faas-provider v0.19.0
github.com/pkg/errors v0.9.1
)

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@ -1,27 +1,465 @@
cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
cloud.google.com/go v0.34.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
cloud.google.com/go v0.38.0/go.mod h1:990N+gfupTy94rShfmMCWGDn0LpTmnzTp2qbd1dvSRU=
cloud.google.com/go v0.44.1/go.mod h1:iSa0KzasP4Uvy3f1mN/7PiObzGgflwredwwASm/v6AU=
cloud.google.com/go v0.44.2/go.mod h1:60680Gw3Yr4ikxnPRS/oxxkBccT6SA1yMk63TGekxKY=
cloud.google.com/go v0.45.1/go.mod h1:RpBamKRgapWJb87xiFSdk4g1CME7QZg3uwTez+TSTjc=
cloud.google.com/go v0.46.3/go.mod h1:a6bKKbmY7er1mI7TEI4lsAkts/mkhTSZK8w33B4RAg0=
cloud.google.com/go v0.50.0/go.mod h1:r9sluTvynVuxRIOHXQEHMFffphuXHOMZMycpNR5e6To=
cloud.google.com/go v0.52.0/go.mod h1:pXajvRH/6o3+F9jDHZWQ5PbGhn+o8w9qiu/CffaVdO4=
cloud.google.com/go v0.53.0/go.mod h1:fp/UouUEsRkN6ryDKNW/Upv/JBKnv6WDthjR6+vze6M=
cloud.google.com/go v0.54.0/go.mod h1:1rq2OEkV3YMf6n/9ZvGWI3GWw0VoqH/1x2nd8Is/bPc=
cloud.google.com/go v0.56.0/go.mod h1:jr7tqZxxKOVYizybht9+26Z/gUq7tiRzu+ACVAMbKVk=
cloud.google.com/go v0.57.0/go.mod h1:oXiQ6Rzq3RAkkY7N6t3TcE6jE+CIBBbA36lwQ1JyzZs=
cloud.google.com/go v0.62.0/go.mod h1:jmCYTdRCQuc1PHIIJ/maLInMho30T/Y0M4hTdTShOYc=
cloud.google.com/go v0.65.0/go.mod h1:O5N8zS7uWy9vkA9vayVHs65eM1ubvY4h553ofrNHObY=
cloud.google.com/go/bigquery v1.0.1/go.mod h1:i/xbL2UlR5RvWAURpBYZTtm/cXjCha9lbfbpx4poX+o=
cloud.google.com/go/bigquery v1.3.0/go.mod h1:PjpwJnslEMmckchkHFfq+HTD2DmtT67aNFKH1/VBDHE=
cloud.google.com/go/bigquery v1.4.0/go.mod h1:S8dzgnTigyfTmLBfrtrhyYhwRxG72rYxvftPBK2Dvzc=
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cloud.google.com/go/bigquery v1.7.0/go.mod h1://okPTzCYNXSlb24MZs83e2Do+h+VXtc4gLoIoXIAPc=
cloud.google.com/go/bigquery v1.8.0/go.mod h1:J5hqkt3O0uAFnINi6JXValWIb1v0goeZM77hZzJN/fQ=
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cloud.google.com/go/datastore v1.1.0/go.mod h1:umbIZjpQpHh4hmRpGhH4tLFup+FVzqBi1b3c64qFpCk=
cloud.google.com/go/pubsub v1.0.1/go.mod h1:R0Gpsv3s54REJCy4fxDixWD93lHJMoZTyQ2kNxGRt3I=
cloud.google.com/go/pubsub v1.1.0/go.mod h1:EwwdRX2sKPjnvnqCa270oGRyludottCI76h+R3AArQw=
cloud.google.com/go/pubsub v1.2.0/go.mod h1:jhfEVHT8odbXTkndysNHCcx0awwzvfOlguIAii9o8iA=
cloud.google.com/go/pubsub v1.3.1/go.mod h1:i+ucay31+CNRpDW4Lu78I4xXG+O1r/MAHgjpRVR+TSU=
cloud.google.com/go/storage v1.0.0/go.mod h1:IhtSnM/ZTZV8YYJWCY8RULGVqBDmpoyjwiyrjsg+URw=
cloud.google.com/go/storage v1.5.0/go.mod h1:tpKbwo567HUNpVclU5sGELwQWBDZ8gh0ZeosJ0Rtdos=
cloud.google.com/go/storage v1.6.0/go.mod h1:N7U0C8pVQ/+NIKOBQyamJIeKQKkZ+mxpohlUTyfDhBk=
cloud.google.com/go/storage v1.8.0/go.mod h1:Wv1Oy7z6Yz3DshWRJFhqM/UCfaWIRTdp0RXyy7KQOVs=
cloud.google.com/go/storage v1.10.0/go.mod h1:FLPqc6j+Ki4BU591ie1oL6qBQGu2Bl/tZ9ullr3+Kg0=
dmitri.shuralyov.com/gpu/mtl v0.0.0-20190408044501-666a987793e9/go.mod h1:H6x//7gZCb22OMCxBHrMx7a5I7Hp++hsVxbQ4BYO7hU=
github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
github.com/BurntSushi/xgb v0.0.0-20160522181843-27f122750802/go.mod h1:IVnqGOEym/WlBOVXweHU+Q+/VP0lqqI8lqeDx9IjBqo=
github.com/alecthomas/template v0.0.0-20160405071501-a0175ee3bccc/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc=
github.com/alecthomas/template v0.0.0-20190718012654-fb15b899a751/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc=
github.com/alecthomas/units v0.0.0-20151022065526-2efee857e7cf/go.mod h1:ybxpYRFXyAe+OPACYpWeL0wqObRcbAqCMya13uyzqw0=
github.com/alecthomas/units v0.0.0-20190717042225-c3de453c63f4/go.mod h1:ybxpYRFXyAe+OPACYpWeL0wqObRcbAqCMya13uyzqw0=
github.com/alecthomas/units v0.0.0-20190924025748-f65c72e2690d/go.mod h1:rBZYJk541a8SKzHPHnH3zbiI+7dagKZ0cgpgrD7Fyho=
github.com/beorn7/perks v0.0.0-20180321164747-3a771d992973/go.mod h1:Dwedo/Wpr24TaqPxmxbtue+5NUziq4I4S80YR8gNf3Q=
github.com/beorn7/perks v1.0.0/go.mod h1:KWe93zE9D1o94FZ5RNwFwVgaQK1VOXiVxmqh+CedLV8=
github.com/beorn7/perks v1.0.1/go.mod h1:G2ZrVWU2WbWT9wwq4/hrbKbnv/1ERSJQ0ibhJ6rlkpw=
github.com/census-instrumentation/opencensus-proto v0.2.1/go.mod h1:f6KPmirojxKA12rnyqOA5BBL4O983OfeGPqjHWSTneU=
github.com/cespare/xxhash/v2 v2.1.1/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
github.com/cespare/xxhash/v2 v2.1.2/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
github.com/chzyer/logex v1.1.10/go.mod h1:+Ywpsq7O8HXn0nuIou7OrIPyXbp3wmkHB+jjWRnGsAI=
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github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
github.com/stretchr/objx v0.1.1/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
github.com/stretchr/testify v1.2.2/go.mod h1:a8OnRcib4nhh0OaRAV+Yts87kKdq0PP7pXfy6kDkUVs=
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github.com/stretchr/testify v1.5.1/go.mod h1:5W2xD1RspED5o8YsWQXVCued0rvSQ+mT+I5cxcmMvtA=
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github.com/stretchr/testify v1.7.0/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
github.com/yuin/goldmark v1.1.25/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
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github.com/yuin/goldmark v1.3.5/go.mod h1:mwnBkeHKe2W/ZEtQ+71ViKU8L12m81fl3OWwC1Zlc8k=
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golang.org/x/mobile v0.0.0-20190312151609-d3739f865fa6/go.mod h1:z+o9i4GpDbdi3rU15maQ/Ox0txvL9dWGYEHz965HBQE=
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golang.org/x/mod v0.3.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
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golang.org/x/net v0.0.0-20191209160850-c0dbc17a3553/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
golang.org/x/net v0.0.0-20200114155413-6afb5195e5aa/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
golang.org/x/net v0.0.0-20200202094626-16171245cfb2/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
golang.org/x/net v0.0.0-20200222125558-5a598a2470a0/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
golang.org/x/net v0.0.0-20200226121028-0de0cce0169b/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
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golang.org/x/net v0.0.0-20200324143707-d3edc9973b7e/go.mod h1:qpuaurCH72eLCgpAm/N6yyVIVM9cpaDIP3A8BGJEC5A=
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golang.org/x/net v0.0.0-20210405180319-a5a99cb37ef4/go.mod h1:p54w0d4576C0XHj96bSt6lcn1PtDYWL6XObtHCRCNQM=
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google.golang.org/genproto v0.0.0-20200312145019-da6875a35672/go.mod h1:55QSHmfGQM9UVYDPBsyGGes0y52j32PQ3BqQfXhyH3c=
google.golang.org/genproto v0.0.0-20200331122359-1ee6d9798940/go.mod h1:55QSHmfGQM9UVYDPBsyGGes0y52j32PQ3BqQfXhyH3c=
google.golang.org/genproto v0.0.0-20200430143042-b979b6f78d84/go.mod h1:55QSHmfGQM9UVYDPBsyGGes0y52j32PQ3BqQfXhyH3c=
google.golang.org/genproto v0.0.0-20200511104702-f5ebc3bea380/go.mod h1:55QSHmfGQM9UVYDPBsyGGes0y52j32PQ3BqQfXhyH3c=
google.golang.org/genproto v0.0.0-20200515170657-fc4c6c6a6587/go.mod h1:YsZOwe1myG/8QRHRsmBRE1LrgQY60beZKjly0O1fX9U=
google.golang.org/genproto v0.0.0-20200526211855-cb27e3aa2013/go.mod h1:NbSheEEYHJ7i3ixzK3sjbqSGDJWnxyFXZblF3eUsNvo=
google.golang.org/genproto v0.0.0-20200618031413-b414f8b61790/go.mod h1:jDfRM7FcilCzHH/e9qn6dsT145K34l5v+OpcnNgKAAA=
google.golang.org/genproto v0.0.0-20200729003335-053ba62fc06f/go.mod h1:FWY/as6DDZQgahTzZj3fqbO1CbirC29ZNUFHwi0/+no=
google.golang.org/genproto v0.0.0-20200804131852-c06518451d9c/go.mod h1:FWY/as6DDZQgahTzZj3fqbO1CbirC29ZNUFHwi0/+no=
google.golang.org/genproto v0.0.0-20200825200019-8632dd797987/go.mod h1:FWY/as6DDZQgahTzZj3fqbO1CbirC29ZNUFHwi0/+no=
google.golang.org/grpc v1.19.0/go.mod h1:mqu4LbDTu4XGKhr4mRzUsmM4RtVoemTSY81AxZiDr8c=
google.golang.org/grpc v1.20.1/go.mod h1:10oTOabMzJvdu6/UiuZezV6QK5dSlG84ov/aaiqXj38=
google.golang.org/grpc v1.21.1/go.mod h1:oYelfM1adQP15Ek0mdvEgi9Df8B9CZIaU1084ijfRaM=
google.golang.org/grpc v1.23.0/go.mod h1:Y5yQAOtifL1yxbo5wqy6BxZv8vAUGQwXBOALyacEbxg=
google.golang.org/grpc v1.25.1/go.mod h1:c3i+UQWmh7LiEpx4sFZnkU36qjEYZ0imhYfXVyQciAY=
google.golang.org/grpc v1.26.0/go.mod h1:qbnxyOmOxrQa7FizSgH+ReBfzJrCY1pSN7KXBS8abTk=
google.golang.org/grpc v1.27.0/go.mod h1:qbnxyOmOxrQa7FizSgH+ReBfzJrCY1pSN7KXBS8abTk=
google.golang.org/grpc v1.27.1/go.mod h1:qbnxyOmOxrQa7FizSgH+ReBfzJrCY1pSN7KXBS8abTk=
google.golang.org/grpc v1.28.0/go.mod h1:rpkK4SK4GF4Ach/+MFLZUBavHOvF2JJB5uozKKal+60=
google.golang.org/grpc v1.29.1/go.mod h1:itym6AZVZYACWQqET3MqgPpjcuV5QH3BxFS3IjizoKk=
google.golang.org/grpc v1.30.0/go.mod h1:N36X2cJ7JwdamYAgDz+s+rVMFjt3numwzf/HckM8pak=
google.golang.org/grpc v1.31.0/go.mod h1:N36X2cJ7JwdamYAgDz+s+rVMFjt3numwzf/HckM8pak=
google.golang.org/protobuf v0.0.0-20200109180630-ec00e32a8dfd/go.mod h1:DFci5gLYBciE7Vtevhsrf46CRTquxDuWsQurQQe4oz8=
google.golang.org/protobuf v0.0.0-20200221191635-4d8936d0db64/go.mod h1:kwYJMbMJ01Woi6D6+Kah6886xMZcty6N08ah7+eCXa0=
google.golang.org/protobuf v0.0.0-20200228230310-ab0ca4ff8a60/go.mod h1:cfTl7dwQJ+fmap5saPgwCLgHXTUD7jkjRqWcaiX5VyM=
google.golang.org/protobuf v1.20.1-0.20200309200217-e05f789c0967/go.mod h1:A+miEFZTKqfCUM6K7xSMQL9OKL/b6hQv+e19PK+JZNE=
google.golang.org/protobuf v1.21.0/go.mod h1:47Nbq4nVaFHyn7ilMalzfO3qCViNmqZ2kzikPIcrTAo=
google.golang.org/protobuf v1.22.0/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU=
google.golang.org/protobuf v1.23.0/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU=
google.golang.org/protobuf v1.23.1-0.20200526195155-81db48ad09cc/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU=
google.golang.org/protobuf v1.24.0/go.mod h1:r/3tXBNzIEhYS9I1OUVjXDlt8tc493IdKGjtUeSXeh4=
google.golang.org/protobuf v1.25.0/go.mod h1:9JNX74DMeImyA3h4bdi1ymwjUzf21/xIlbajtzgsN7c=
google.golang.org/protobuf v1.26.0-rc.1/go.mod h1:jlhhOSvTdKEhbULTjvd4ARK9grFBp09yW+WbY/TyQbw=
google.golang.org/protobuf v1.26.0/go.mod h1:9q0QmTI4eRPtz6boOQmLYwt+qCgq0jsYwAQnmE0givc=
gopkg.in/alecthomas/kingpin.v2 v2.2.6/go.mod h1:FMv+mEhP44yOT+4EoQTLFTRgOQ1FBLkstjWtayDeSgw=
gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
gopkg.in/errgo.v2 v2.1.0/go.mod h1:hNsd1EY+bozCKY1Ytp96fpM3vjJbqLJn88ws8XvfDNI=
gopkg.in/yaml.v2 v2.2.1/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
gopkg.in/yaml.v2 v2.2.4/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
gopkg.in/yaml.v2 v2.2.5/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
gopkg.in/yaml.v2 v2.3.0/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
gopkg.in/yaml.v2 v2.4.0/go.mod h1:RDklbk79AGWmwhnvt/jBztapEOGDOx6ZbXqjP6csGnQ=
gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
honnef.co/go/tools v0.0.0-20190102054323-c2f93a96b099/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
honnef.co/go/tools v0.0.0-20190106161140-3f1c8253044a/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
honnef.co/go/tools v0.0.0-20190418001031-e561f6794a2a/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
honnef.co/go/tools v0.0.0-20190523083050-ea95bdfd59fc/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
honnef.co/go/tools v0.0.1-2019.2.3/go.mod h1:a3bituU0lyd329TUQxRnasdCoJDkEUEAqEt0JzvZhAg=
honnef.co/go/tools v0.0.1-2020.1.3/go.mod h1:X/FiERA/W4tHapMX5mGpAtMSVEeEUOyHaw9vFzvIQ3k=
honnef.co/go/tools v0.0.1-2020.1.4/go.mod h1:X/FiERA/W4tHapMX5mGpAtMSVEeEUOyHaw9vFzvIQ3k=
rsc.io/binaryregexp v0.2.0/go.mod h1:qTv7/COck+e2FymRvadv62gMdZztPaShugOCi3I+8D8=
rsc.io/quote/v3 v3.1.0/go.mod h1:yEA65RcK8LyAZtP9Kv3t0HmxON59tX3rD+tICJqUlj0=
rsc.io/sampler v1.3.0/go.mod h1:T1hPZKmBbMNahiBKFy5HrXp6adAjACjK9JXDnKaTXpA=

View File

@ -1,15 +1,10 @@
language: go
go_import_path: github.com/pkg/errors
go:
- 1.4.x
- 1.5.x
- 1.6.x
- 1.7.x
- 1.8.x
- 1.9.x
- 1.10.x
- 1.11.x
- 1.12.x
- 1.13.x
- tip
script:
- go test -v ./...
- make check

44
auth/basic-auth/vendor/github.com/pkg/errors/Makefile generated vendored Normal file
View File

@ -0,0 +1,44 @@
PKGS := github.com/pkg/errors
SRCDIRS := $(shell go list -f '{{.Dir}}' $(PKGS))
GO := go
check: test vet gofmt misspell unconvert staticcheck ineffassign unparam
test:
$(GO) test $(PKGS)
vet: | test
$(GO) vet $(PKGS)
staticcheck:
$(GO) get honnef.co/go/tools/cmd/staticcheck
staticcheck -checks all $(PKGS)
misspell:
$(GO) get github.com/client9/misspell/cmd/misspell
misspell \
-locale GB \
-error \
*.md *.go
unconvert:
$(GO) get github.com/mdempsky/unconvert
unconvert -v $(PKGS)
ineffassign:
$(GO) get github.com/gordonklaus/ineffassign
find $(SRCDIRS) -name '*.go' | xargs ineffassign
pedantic: check errcheck
unparam:
$(GO) get mvdan.cc/unparam
unparam ./...
errcheck:
$(GO) get github.com/kisielk/errcheck
errcheck $(PKGS)
gofmt:
@echo Checking code is gofmted
@test -z "$(shell gofmt -s -l -d -e $(SRCDIRS) | tee /dev/stderr)"

View File

@ -41,11 +41,18 @@ default:
[Read the package documentation for more information](https://godoc.org/github.com/pkg/errors).
## Roadmap
With the upcoming [Go2 error proposals](https://go.googlesource.com/proposal/+/master/design/go2draft.md) this package is moving into maintenance mode. The roadmap for a 1.0 release is as follows:
- 0.9. Remove pre Go 1.9 and Go 1.10 support, address outstanding pull requests (if possible)
- 1.0. Final release.
## Contributing
We welcome pull requests, bug fixes and issue reports. With that said, the bar for adding new symbols to this package is intentionally set high.
Because of the Go2 errors changes, this package is not accepting proposals for new functionality. With that said, we welcome pull requests, bug fixes and issue reports.
Before proposing a change, please discuss your change by raising an issue.
Before sending a PR, please discuss your change by raising an issue.
## License

View File

@ -82,7 +82,7 @@
//
// if err, ok := err.(stackTracer); ok {
// for _, f := range err.StackTrace() {
// fmt.Printf("%+s:%d", f)
// fmt.Printf("%+s:%d\n", f, f)
// }
// }
//
@ -159,6 +159,9 @@ type withStack struct {
func (w *withStack) Cause() error { return w.error }
// Unwrap provides compatibility for Go 1.13 error chains.
func (w *withStack) Unwrap() error { return w.error }
func (w *withStack) Format(s fmt.State, verb rune) {
switch verb {
case 'v':
@ -241,6 +244,9 @@ type withMessage struct {
func (w *withMessage) Error() string { return w.msg + ": " + w.cause.Error() }
func (w *withMessage) Cause() error { return w.cause }
// Unwrap provides compatibility for Go 1.13 error chains.
func (w *withMessage) Unwrap() error { return w.cause }
func (w *withMessage) Format(s fmt.State, verb rune) {
switch verb {
case 'v':

38
auth/basic-auth/vendor/github.com/pkg/errors/go113.go generated vendored Normal file
View File

@ -0,0 +1,38 @@
// +build go1.13
package errors
import (
stderrors "errors"
)
// Is reports whether any error in err's chain matches target.
//
// The chain consists of err itself followed by the sequence of errors obtained by
// repeatedly calling Unwrap.
//
// An error is considered to match a target if it is equal to that target or if
// it implements a method Is(error) bool such that Is(target) returns true.
func Is(err, target error) bool { return stderrors.Is(err, target) }
// As finds the first error in err's chain that matches target, and if so, sets
// target to that error value and returns true.
//
// The chain consists of err itself followed by the sequence of errors obtained by
// repeatedly calling Unwrap.
//
// An error matches target if the error's concrete value is assignable to the value
// pointed to by target, or if the error has a method As(interface{}) bool such that
// As(target) returns true. In the latter case, the As method is responsible for
// setting target.
//
// As will panic if target is not a non-nil pointer to either a type that implements
// error, or to any interface type. As returns false if err is nil.
func As(err error, target interface{}) bool { return stderrors.As(err, target) }
// Unwrap returns the result of calling the Unwrap method on err, if err's
// type contains an Unwrap method returning error.
// Otherwise, Unwrap returns nil.
func Unwrap(err error) error {
return stderrors.Unwrap(err)
}

View File

@ -5,10 +5,13 @@ import (
"io"
"path"
"runtime"
"strconv"
"strings"
)
// Frame represents a program counter inside a stack frame.
// For historical reasons if Frame is interpreted as a uintptr
// its value represents the program counter + 1.
type Frame uintptr
// pc returns the program counter for this frame;
@ -37,6 +40,15 @@ func (f Frame) line() int {
return line
}
// name returns the name of this function, if known.
func (f Frame) name() string {
fn := runtime.FuncForPC(f.pc())
if fn == nil {
return "unknown"
}
return fn.Name()
}
// Format formats the frame according to the fmt.Formatter interface.
//
// %s source file
@ -54,22 +66,16 @@ func (f Frame) Format(s fmt.State, verb rune) {
case 's':
switch {
case s.Flag('+'):
pc := f.pc()
fn := runtime.FuncForPC(pc)
if fn == nil {
io.WriteString(s, "unknown")
} else {
file, _ := fn.FileLine(pc)
fmt.Fprintf(s, "%s\n\t%s", fn.Name(), file)
}
io.WriteString(s, f.name())
io.WriteString(s, "\n\t")
io.WriteString(s, f.file())
default:
io.WriteString(s, path.Base(f.file()))
}
case 'd':
fmt.Fprintf(s, "%d", f.line())
io.WriteString(s, strconv.Itoa(f.line()))
case 'n':
name := runtime.FuncForPC(f.pc()).Name()
io.WriteString(s, funcname(name))
io.WriteString(s, funcname(f.name()))
case 'v':
f.Format(s, 's')
io.WriteString(s, ":")
@ -77,6 +83,16 @@ func (f Frame) Format(s fmt.State, verb rune) {
}
}
// MarshalText formats a stacktrace Frame as a text string. The output is the
// same as that of fmt.Sprintf("%+v", f), but without newlines or tabs.
func (f Frame) MarshalText() ([]byte, error) {
name := f.name()
if name == "unknown" {
return []byte(name), nil
}
return []byte(fmt.Sprintf("%s %s:%d", name, f.file(), f.line())), nil
}
// StackTrace is stack of Frames from innermost (newest) to outermost (oldest).
type StackTrace []Frame
@ -94,18 +110,32 @@ func (st StackTrace) Format(s fmt.State, verb rune) {
switch {
case s.Flag('+'):
for _, f := range st {
fmt.Fprintf(s, "\n%+v", f)
io.WriteString(s, "\n")
f.Format(s, verb)
}
case s.Flag('#'):
fmt.Fprintf(s, "%#v", []Frame(st))
default:
fmt.Fprintf(s, "%v", []Frame(st))
st.formatSlice(s, verb)
}
case 's':
fmt.Fprintf(s, "%s", []Frame(st))
st.formatSlice(s, verb)
}
}
// formatSlice will format this StackTrace into the given buffer as a slice of
// Frame, only valid when called with '%s' or '%v'.
func (st StackTrace) formatSlice(s fmt.State, verb rune) {
io.WriteString(s, "[")
for i, f := range st {
if i > 0 {
io.WriteString(s, " ")
}
f.Format(s, verb)
}
io.WriteString(s, "]")
}
// stack represents a stack of program counters.
type stack []uintptr

View File

@ -1,6 +1,6 @@
# github.com/openfaas/faas-provider v0.18.9
## explicit; go 1.16
# github.com/openfaas/faas-provider v0.19.0
## explicit; go 1.17
github.com/openfaas/faas-provider/auth
# github.com/pkg/errors v0.8.1
# github.com/pkg/errors v0.9.1
## explicit
github.com/pkg/errors

View File

@ -52,7 +52,6 @@ It would be great to hear from you especially if you have any of the above and w
| Title | Show | Date |
|---------------------------------------------------------------------|--------------|----------|
| [The Cube Interview - Monetising Open Source at KubeCon Valencia](https://www.youtube.com/watch?v=iyMIF4olLWI) | the Cube | 19-May-2022 |
| ["Balancing OSS Sacrifice with Success"](https://github.com/readme/alex-ellis) | GitHub ReadME program | 04-Sep-2020 |
| [Episode #116 Independent Open Source, with Alex Ellis](https://kubernetespodcast.com/episode/116-independent-open-source/) | Kubernetes Podcast by Google | 12-Aug-2020 |
| [The explosive growth of CNCF, what is Kubernetes and independent open source](https://blog.newrelic.com/engineering/observy-mcobservface-episode-no-2-alex-ellis/) | Observy McObservface | 29-07-2020 |
@ -93,6 +92,8 @@ It would be great to hear from you especially if you have any of the above and w
| Blog/repo name and description | Author | Site | Date |
|-------------------------------------------------------------------------|--------------|----------|-------------|
| [The Event-Driven Edge with OpenFaaS](https://www.openfaas.com/blog/eventdriven-edge/) | Han Verstraete | openfaas.com | 01-June-2022 |
| [Running faasd on Azure Arm-based Virtual Machines](https://blog.ediri.io/running-faasd-on-azure-arm-based-virtual-machines) | Engin Diri | blog.ediri.io | 27-May-2022 |
| [WebAssembly functions in OpenFaaS using Sat (Part1)](https://www.wasm.builders/suborbital/webassembly-functions-in-openfaas-using-sat-part-1-2omk) | Connor Hicks | wasm.builders | 04-May-2022 |
| [Building a RESTful API with functions](https://simonemms.com/blog/2022/04/24/building-a-restful-api-with-serverless-functions/) | Simon Emms | simonemms.com | 24-April-2022 |
| [How to process your data the resilient way with back pressure](https://www.openfaas.com/blog/limits-and-backpressure/) | Alex Ellis | openfaas.com | 12-May-2022 |

View File

@ -1,10 +0,0 @@
## contrib
This folder contains miscellaneous scripts and packages for CI, development and custom Docker images.
* Hack on the UI Portal with [HACK.md](./HACK.md)
* Deploy a [Grafana dashboard](./grafana.json)
* Build and publish all project images for ARMHF with [publish-armhf.sh](./publish-armhf.sh)
* Run experimental end-to-end tests with Docker in Docker with [dind.sh](./dind.sh)
Custom Docker images for ARMHF/ARM64 are available for AlertManager and Prometheus in this folder.

View File

@ -1,84 +0,0 @@
#!/bin/bash
# "openfaas/nats-queue-worker"
# ^ Already multi-arch
declare -a repos=("openfaas/faas")
HERE=`pwd`
ARCH=$(uname -m)
#if [ ! -z "$CACHED" ]; then
rm -rf staging || :
mkdir -p staging/openfaas
mkdir -p staging/openfaas-incubator
#fi
get_image_names() {
if [ "openfaas-incubator/faas-idler" = $1 ]; then
images=("openfaas/faas-idler")
elif [ "openfaas/faas" = $1 ]; then
images=("openfaas/gateway" "openfaas/basic-auth-plugin")
elif [ "openfaas/nats-queue-worker" = $1 ]; then
images=("openfaas/queue-worker")
elif [ "openfaas-incubator/openfaas-operator" = $1 ]; then
images=("openfaas/openfaas-operator")
else
images=($1)
fi
}
if [ "$ARCH" = "armv7l" ] ; then
ARM_VERSION="armhf"
elif [ "$ARCH" = "aarch64" ] ; then
ARM_VERSION="arm64"
fi
echo "Target architecture: ${ARM_VERSION}"
for r in "${repos[@]}"
do
cd $HERE
echo -e "\nBuilding: $r\n"
git clone https://github.com/$r ./staging/$r
cd ./staging/$r
pwd
export TAG=$(git describe --abbrev=0 --tags)
echo "Latest release: $TAG"
get_image_names $r
for IMAGE in "${images[@]}"
do
TAG_PRESENT=$(curl -s "https://hub.docker.com/v2/repositories/${IMAGE}/tags/${TAG}-${ARM_VERSION}/" | grep -Po '"message": *"[^"]*"' | grep -io 'not found')
if [ "$TAG_PRESENT" = "not found" ]; then
break
fi
done
if [ "$TAG_PRESENT" = "not found" ]; then
make ci-${ARM_VERSION}-build ci-${ARM_VERSION}-push
else
for IMAGE in "${images[@]}"
do
echo "Image is already present: ${IMAGE}:${TAG}-${ARM_VERSION}"
done
fi
done
echo "Docker images"
for r in "${repos[@]}"
do
cd $HERE
cd ./staging/$r
export TAG=$(git describe --abbrev=0 --tags)
echo "$r"
get_image_names $r
for IMAGE in "${images[@]}"
do
echo " ${IMAGE}:${TAG}-${ARM_VERSION}"
done
done

View File

@ -1,6 +1,6 @@
FROM --platform=${BUILDPLATFORM:-linux/amd64} ghcr.io/openfaas/license-check:0.4.0 as license-check
FROM --platform=${BUILDPLATFORM:-linux/amd64} golang:1.17 as build
FROM --platform=${BUILDPLATFORM:-linux/amd64} golang:1.18 as build
ENV GO111MODULE=on
ENV CGO_ENABLED=0
@ -29,6 +29,7 @@ COPY types types
COPY plugin plugin
COPY version version
COPY scaling scaling
COPY probing probing
COPY pkg pkg
COPY main.go .
@ -44,7 +45,7 @@ RUN CGO_ENABLED=${CGO_ENABLED} GOOS=${TARGETOS} GOARCH=${TARGETARCH} go build --
-X github.com/openfaas/faas/gateway/types.Arch=${TARGETARCH}" \
-a -installsuffix cgo -o gateway .
FROM --platform=${TARGETPLATFORM:-linux/amd64} alpine:3.16.0 as ship
FROM --platform=${TARGETPLATFORM:-linux/amd64} alpine:3.16.1 as ship
LABEL org.label-schema.license="MIT" \
org.label-schema.vcs-url="https://github.com/openfaas/faas" \

28
gateway/Makefile Normal file
View File

@ -0,0 +1,28 @@
export DOCKER_CLI_EXPERIMENTAL=enabled
PLATFORM := "linux/amd64,linux/arm/v7,linux/arm64"
TAG?=latest
SERVER?=docker.io
OWNER?=alexellis2
NAME=gateway
.PHONY: local-docker
build-local:
@echo $(SERVER)/$(OWNER)/$(NAME):$(TAG) \
&& docker buildx create --use --name=multiarch --node multiarch \
&& docker buildx build \
--progress=plain \
--platform linux/amd64 \
--output "type=docker,push=false" \
--tag $(SERVER)/$(OWNER)/$(NAME):$(TAG) .
.PHONY: push-docker
push-docker:
@echo $(SERVER)/$(OWNER)/$(NAME):$(TAG) \
&& docker buildx create --use --name=multiarch --node multiarch \
&& docker buildx build \
--progress=plain \
--platform $(PLATFORM) \
--output "type=image,push=true" \
--tag $(SERVER)/$(OWNER)/$(NAME):$(TAG) .

View File

@ -1,14 +1,31 @@
module github.com/openfaas/faas/gateway
go 1.16
go 1.17
require (
github.com/docker/distribution v2.8.1+incompatible
github.com/gorilla/mux v1.8.0
github.com/hashicorp/golang-lru v0.5.1 // indirect
github.com/openfaas/faas-provider v0.18.7
github.com/openfaas/nats-queue-worker v0.0.0-20210726161954-ada9a31504c9
github.com/prometheus/client_golang v1.11.1
github.com/openfaas/faas-provider v0.19.1
github.com/openfaas/nats-queue-worker v0.0.0-20220805080536-d1d72d857b1c
github.com/prometheus/client_golang v1.13.0
github.com/prometheus/client_model v0.2.0
go.uber.org/goleak v1.1.10
go.uber.org/goleak v1.1.12
golang.org/x/sync v0.0.0-20220819030929-7fc1605a5dde
)
require (
github.com/beorn7/perks v1.0.1 // indirect
github.com/cespare/xxhash/v2 v2.1.2 // indirect
github.com/gogo/protobuf v1.3.2 // indirect
github.com/golang/protobuf v1.5.2 // indirect
github.com/matttproud/golang_protobuf_extensions v1.0.1 // indirect
github.com/nats-io/nats.go v1.11.1-0.20210623165838-4b75fc59ae30 // indirect
github.com/nats-io/nkeys v0.3.0 // indirect
github.com/nats-io/nuid v1.0.1 // indirect
github.com/nats-io/stan.go v0.9.0 // indirect
github.com/prometheus/common v0.37.0 // indirect
github.com/prometheus/procfs v0.8.0 // indirect
golang.org/x/crypto v0.0.0-20220817201139-bc19a97f63c8 // indirect
golang.org/x/sys v0.0.0-20220823224334-20c2bfdbfe24 // indirect
google.golang.org/protobuf v1.28.1 // indirect
)

View File

@ -1,4 +1,38 @@
cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
cloud.google.com/go v0.34.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
cloud.google.com/go v0.38.0/go.mod h1:990N+gfupTy94rShfmMCWGDn0LpTmnzTp2qbd1dvSRU=
cloud.google.com/go v0.44.1/go.mod h1:iSa0KzasP4Uvy3f1mN/7PiObzGgflwredwwASm/v6AU=
cloud.google.com/go v0.44.2/go.mod h1:60680Gw3Yr4ikxnPRS/oxxkBccT6SA1yMk63TGekxKY=
cloud.google.com/go v0.45.1/go.mod h1:RpBamKRgapWJb87xiFSdk4g1CME7QZg3uwTez+TSTjc=
cloud.google.com/go v0.46.3/go.mod h1:a6bKKbmY7er1mI7TEI4lsAkts/mkhTSZK8w33B4RAg0=
cloud.google.com/go v0.50.0/go.mod h1:r9sluTvynVuxRIOHXQEHMFffphuXHOMZMycpNR5e6To=
cloud.google.com/go v0.52.0/go.mod h1:pXajvRH/6o3+F9jDHZWQ5PbGhn+o8w9qiu/CffaVdO4=
cloud.google.com/go v0.53.0/go.mod h1:fp/UouUEsRkN6ryDKNW/Upv/JBKnv6WDthjR6+vze6M=
cloud.google.com/go v0.54.0/go.mod h1:1rq2OEkV3YMf6n/9ZvGWI3GWw0VoqH/1x2nd8Is/bPc=
cloud.google.com/go v0.56.0/go.mod h1:jr7tqZxxKOVYizybht9+26Z/gUq7tiRzu+ACVAMbKVk=
cloud.google.com/go v0.57.0/go.mod h1:oXiQ6Rzq3RAkkY7N6t3TcE6jE+CIBBbA36lwQ1JyzZs=
cloud.google.com/go v0.62.0/go.mod h1:jmCYTdRCQuc1PHIIJ/maLInMho30T/Y0M4hTdTShOYc=
cloud.google.com/go v0.65.0/go.mod h1:O5N8zS7uWy9vkA9vayVHs65eM1ubvY4h553ofrNHObY=
cloud.google.com/go/bigquery v1.0.1/go.mod h1:i/xbL2UlR5RvWAURpBYZTtm/cXjCha9lbfbpx4poX+o=
cloud.google.com/go/bigquery v1.3.0/go.mod h1:PjpwJnslEMmckchkHFfq+HTD2DmtT67aNFKH1/VBDHE=
cloud.google.com/go/bigquery v1.4.0/go.mod h1:S8dzgnTigyfTmLBfrtrhyYhwRxG72rYxvftPBK2Dvzc=
cloud.google.com/go/bigquery v1.5.0/go.mod h1:snEHRnqQbz117VIFhE8bmtwIDY80NLUZUMb4Nv6dBIg=
cloud.google.com/go/bigquery v1.7.0/go.mod h1://okPTzCYNXSlb24MZs83e2Do+h+VXtc4gLoIoXIAPc=
cloud.google.com/go/bigquery v1.8.0/go.mod h1:J5hqkt3O0uAFnINi6JXValWIb1v0goeZM77hZzJN/fQ=
cloud.google.com/go/datastore v1.0.0/go.mod h1:LXYbyblFSglQ5pkeyhO+Qmw7ukd3C+pD7TKLgZqpHYE=
cloud.google.com/go/datastore v1.1.0/go.mod h1:umbIZjpQpHh4hmRpGhH4tLFup+FVzqBi1b3c64qFpCk=
cloud.google.com/go/pubsub v1.0.1/go.mod h1:R0Gpsv3s54REJCy4fxDixWD93lHJMoZTyQ2kNxGRt3I=
cloud.google.com/go/pubsub v1.1.0/go.mod h1:EwwdRX2sKPjnvnqCa270oGRyludottCI76h+R3AArQw=
cloud.google.com/go/pubsub v1.2.0/go.mod h1:jhfEVHT8odbXTkndysNHCcx0awwzvfOlguIAii9o8iA=
cloud.google.com/go/pubsub v1.3.1/go.mod h1:i+ucay31+CNRpDW4Lu78I4xXG+O1r/MAHgjpRVR+TSU=
cloud.google.com/go/storage v1.0.0/go.mod h1:IhtSnM/ZTZV8YYJWCY8RULGVqBDmpoyjwiyrjsg+URw=
cloud.google.com/go/storage v1.5.0/go.mod h1:tpKbwo567HUNpVclU5sGELwQWBDZ8gh0ZeosJ0Rtdos=
cloud.google.com/go/storage v1.6.0/go.mod h1:N7U0C8pVQ/+NIKOBQyamJIeKQKkZ+mxpohlUTyfDhBk=
cloud.google.com/go/storage v1.8.0/go.mod h1:Wv1Oy7z6Yz3DshWRJFhqM/UCfaWIRTdp0RXyy7KQOVs=
cloud.google.com/go/storage v1.10.0/go.mod h1:FLPqc6j+Ki4BU591ie1oL6qBQGu2Bl/tZ9ullr3+Kg0=
dmitri.shuralyov.com/gpu/mtl v0.0.0-20190408044501-666a987793e9/go.mod h1:H6x//7gZCb22OMCxBHrMx7a5I7Hp++hsVxbQ4BYO7hU=
github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
github.com/BurntSushi/xgb v0.0.0-20160522181843-27f122750802/go.mod h1:IVnqGOEym/WlBOVXweHU+Q+/VP0lqqI8lqeDx9IjBqo=
github.com/DataDog/datadog-go v2.2.0+incompatible/go.mod h1:LButxg5PwREeZtORoXG3tL4fMGNddJ+vMq1mwgfaqoQ=
github.com/alecthomas/template v0.0.0-20160405071501-a0175ee3bccc/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc=
github.com/alecthomas/template v0.0.0-20190718012654-fb15b899a751/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc=
@ -11,48 +45,98 @@ github.com/beorn7/perks v0.0.0-20180321164747-3a771d992973/go.mod h1:Dwedo/Wpr24
github.com/beorn7/perks v1.0.0/go.mod h1:KWe93zE9D1o94FZ5RNwFwVgaQK1VOXiVxmqh+CedLV8=
github.com/beorn7/perks v1.0.1 h1:VlbKKnNfV8bJzeqoa4cOKqO6bYr3WgKZxO8Z16+hsOM=
github.com/beorn7/perks v1.0.1/go.mod h1:G2ZrVWU2WbWT9wwq4/hrbKbnv/1ERSJQ0ibhJ6rlkpw=
github.com/cespare/xxhash/v2 v2.1.1 h1:6MnRN8NT7+YBpUIWxHtefFZOKTAPgGjpQSxqLNn0+qY=
github.com/census-instrumentation/opencensus-proto v0.2.1/go.mod h1:f6KPmirojxKA12rnyqOA5BBL4O983OfeGPqjHWSTneU=
github.com/cespare/xxhash/v2 v2.1.1/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
github.com/cespare/xxhash/v2 v2.1.2 h1:YRXhKfTDauu4ajMg1TPgFO5jnlC2HCbmLXMcTG5cbYE=
github.com/cespare/xxhash/v2 v2.1.2/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
github.com/chzyer/logex v1.1.10/go.mod h1:+Ywpsq7O8HXn0nuIou7OrIPyXbp3wmkHB+jjWRnGsAI=
github.com/chzyer/readline v0.0.0-20180603132655-2972be24d48e/go.mod h1:nSuG5e5PlCu98SY8svDHJxuZscDgtXS6KTTbou5AhLI=
github.com/chzyer/test v0.0.0-20180213035817-a1ea475d72b1/go.mod h1:Q3SI9o4m/ZMnBNeIyt5eFwwo7qiLfzFZmjNmxjkiQlU=
github.com/circonus-labs/circonus-gometrics v2.3.1+incompatible/go.mod h1:nmEj6Dob7S7YxXgwXpfOuvO54S+tGdZdw9fuRZt25Ag=
github.com/circonus-labs/circonusllhist v0.1.3/go.mod h1:kMXHVDlOchFAehlya5ePtbp5jckzBHf4XRpQvBOLI+I=
github.com/client9/misspell v0.3.4/go.mod h1:qj6jICC3Q7zFZvVWo7KLAzC3yx5G7kyvSDkc90ppPyw=
github.com/cncf/udpa/go v0.0.0-20191209042840-269d4d468f6f/go.mod h1:M8M6+tZqaGXZJjfX53e64911xZQV5JYwmTeXPW+k8Sc=
github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
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/docker/distribution v2.8.1+incompatible h1:Q50tZOPR6T/hjNsyc9g8/syEs6bk8XXApsHjKukMl68=
github.com/docker/distribution v2.8.1+incompatible/go.mod h1:J2gT2udsDAN96Uj4KfcMRqY0/ypR+oyYUYmja8H+y+w=
github.com/envoyproxy/go-control-plane v0.9.0/go.mod h1:YTl/9mNaCwkRvm6d1a2C3ymFceY/DCBVvsKhRF0iEA4=
github.com/envoyproxy/go-control-plane v0.9.1-0.20191026205805-5f8ba28d4473/go.mod h1:YTl/9mNaCwkRvm6d1a2C3ymFceY/DCBVvsKhRF0iEA4=
github.com/envoyproxy/go-control-plane v0.9.4/go.mod h1:6rpuAdCZL397s3pYoYcLgu1mIlRU8Am5FuJP05cCM98=
github.com/envoyproxy/protoc-gen-validate v0.1.0/go.mod h1:iSmxcyjqTsJpI2R4NaDN7+kN2VEUnK/pcBlmesArF7c=
github.com/fatih/color v1.7.0 h1:DkWD4oS2D8LGGgTQ6IvwJJXSL5Vp2ffcQg58nFV38Ys=
github.com/fatih/color v1.7.0/go.mod h1:Zm6kSWBoL9eyXnKyktHP6abPY2pDugNf5KwzbycvMj4=
github.com/go-gl/glfw v0.0.0-20190409004039-e6da0acd62b1/go.mod h1:vR7hzQXu2zJy9AVAgeJqvqgH9Q5CA+iKCZ2gyEVpxRU=
github.com/go-gl/glfw/v3.3/glfw v0.0.0-20191125211704-12ad95a8df72/go.mod h1:tQ2UAYgL5IevRw8kRxooKSPJfGvJ9fJQFa0TUsXzTg8=
github.com/go-gl/glfw/v3.3/glfw v0.0.0-20200222043503-6f7a984d4dc4/go.mod h1:tQ2UAYgL5IevRw8kRxooKSPJfGvJ9fJQFa0TUsXzTg8=
github.com/go-kit/kit v0.8.0/go.mod h1:xBxKIO96dXMWWy0MnWVtmwkA9/13aqxPnvrjFYMA2as=
github.com/go-kit/kit v0.9.0/go.mod h1:xBxKIO96dXMWWy0MnWVtmwkA9/13aqxPnvrjFYMA2as=
github.com/go-kit/log v0.1.0/go.mod h1:zbhenjAZHb184qTLMA9ZjW7ThYL0H2mk7Q6pNt4vbaY=
github.com/go-kit/log v0.2.0/go.mod h1:NwTd00d/i8cPZ3xOwwiv2PO5MOcx78fFErGNcVmBjv0=
github.com/go-logfmt/logfmt v0.3.0/go.mod h1:Qt1PoO58o5twSAckw1HlFXLmHsOX5/0LbT9GBnD5lWE=
github.com/go-logfmt/logfmt v0.4.0/go.mod h1:3RMwSq7FuexP4Kalkev3ejPJsZTpXXBr9+V4qmtdjCk=
github.com/go-logfmt/logfmt v0.5.0/go.mod h1:wCYkCAKZfumFQihp8CzCvQ3paCTfi41vtzG1KdI/P7A=
github.com/go-logfmt/logfmt v0.5.1/go.mod h1:WYhtIu8zTZfxdn5+rREduYbwxfcBr/Vr6KEVveWlfTs=
github.com/go-sql-driver/mysql v1.6.0/go.mod h1:DCzpHaOWr8IXmIStZouvnhqoel9Qv2LBy8hT2VhHyBg=
github.com/go-stack/stack v1.8.0/go.mod h1:v0f6uXyyMGvRgIKkXu+yp6POWl0qKG85gN/melR3HDY=
github.com/gogo/protobuf v1.1.1/go.mod h1:r8qH/GZQm5c6nD/R0oafs1akxWv10x8SbQlK7atdtwQ=
github.com/gogo/protobuf v1.3.2 h1:Ov1cvc58UF3b5XjBnZv7+opcTcQFZebYjWzi34vdm4Q=
github.com/gogo/protobuf v1.3.2/go.mod h1:P1XiOD3dCwIKUDQYPy72D8LYyHL2YPYrpS2s69NZV8Q=
github.com/golang/glog v0.0.0-20160126235308-23def4e6c14b/go.mod h1:SBH7ygxi8pfUlaOkMMuAQtPIUF8ecWP5IEl/CR7VP2Q=
github.com/golang/groupcache v0.0.0-20190702054246-869f871628b6/go.mod h1:cIg4eruTrX1D+g88fzRXU5OdNfaM+9IcxsU14FzY7Hc=
github.com/golang/groupcache v0.0.0-20191227052852-215e87163ea7/go.mod h1:cIg4eruTrX1D+g88fzRXU5OdNfaM+9IcxsU14FzY7Hc=
github.com/golang/groupcache v0.0.0-20200121045136-8c9f03a8e57e/go.mod h1:cIg4eruTrX1D+g88fzRXU5OdNfaM+9IcxsU14FzY7Hc=
github.com/golang/mock v1.1.1/go.mod h1:oTYuIxOrZwtPieC+H1uAHpcLFnEyAGVDL/k47Jfbm0A=
github.com/golang/mock v1.2.0/go.mod h1:oTYuIxOrZwtPieC+H1uAHpcLFnEyAGVDL/k47Jfbm0A=
github.com/golang/mock v1.3.1/go.mod h1:sBzyDLLjw3U8JLTeZvSv8jJB+tU5PVekmnlKIyFUx0Y=
github.com/golang/mock v1.4.0/go.mod h1:UOMv5ysSaYNkG+OFQykRIcU/QvvxJf3p21QfJ2Bt3cw=
github.com/golang/mock v1.4.1/go.mod h1:UOMv5ysSaYNkG+OFQykRIcU/QvvxJf3p21QfJ2Bt3cw=
github.com/golang/mock v1.4.3/go.mod h1:UOMv5ysSaYNkG+OFQykRIcU/QvvxJf3p21QfJ2Bt3cw=
github.com/golang/mock v1.4.4/go.mod h1:l3mdAwkq5BuhzHwde/uurv3sEJeZMXNpwsxVWU71h+4=
github.com/golang/protobuf v1.2.0/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
github.com/golang/protobuf v1.3.1/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
github.com/golang/protobuf v1.3.2/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
github.com/golang/protobuf v1.3.3/go.mod h1:vzj43D7+SQXF/4pzW/hwtAqwc6iTitCiVSaWz5lYuqw=
github.com/golang/protobuf v1.3.4/go.mod h1:vzj43D7+SQXF/4pzW/hwtAqwc6iTitCiVSaWz5lYuqw=
github.com/golang/protobuf v1.3.5/go.mod h1:6O5/vntMXwX2lRkT1hjjk0nAC1IDOTvTlVgjlRvqsdk=
github.com/golang/protobuf v1.4.0-rc.1/go.mod h1:ceaxUfeHdC40wWswd/P6IGgMaK3YpKi5j83Wpe3EHw8=
github.com/golang/protobuf v1.4.0-rc.1.0.20200221234624-67d41d38c208/go.mod h1:xKAWHe0F5eneWXFV3EuXVDTCmh+JuBKY0li0aMyXATA=
github.com/golang/protobuf v1.4.0-rc.2/go.mod h1:LlEzMj4AhA7rCAGe4KMBDvJI+AwstrUpVNzEA03Pprs=
github.com/golang/protobuf v1.4.0-rc.4.0.20200313231945-b860323f09d0/go.mod h1:WU3c8KckQ9AFe+yFwt9sWVRKCVIyN9cPHBJSNnbL67w=
github.com/golang/protobuf v1.4.0/go.mod h1:jodUvKwWbYaEsadDk5Fwe5c77LiNKVO9IDvqG2KuDX0=
github.com/golang/protobuf v1.4.1/go.mod h1:U8fpvMrcmy5pZrNK1lt4xCsGvpyWQ/VVv6QDs8UjoX8=
github.com/golang/protobuf v1.4.2/go.mod h1:oDoupMAO8OvCJWAcko0GGGIgR6R6ocIYbsSw735rRwI=
github.com/golang/protobuf v1.4.3/go.mod h1:oDoupMAO8OvCJWAcko0GGGIgR6R6ocIYbsSw735rRwI=
github.com/golang/protobuf v1.5.0/go.mod h1:FsONVRAS9T7sI+LIUmWTfcYkHO4aIWwzhcaSAoJOfIk=
github.com/golang/protobuf v1.5.2 h1:ROPKBNFfQgOUMifHyP+KYbvpjbdoFNs+aK7DXlji0Tw=
github.com/golang/protobuf v1.5.2/go.mod h1:XVQd3VNwM+JqD3oG2Ue2ip4fOMUkwXdXDdiuN0vRsmY=
github.com/google/btree v0.0.0-20180813153112-4030bb1f1f0c/go.mod h1:lNA+9X1NB3Zf8V7Ke586lFgjr2dZNuvo3lPJSGZ5JPQ=
github.com/google/btree v1.0.0/go.mod h1:lNA+9X1NB3Zf8V7Ke586lFgjr2dZNuvo3lPJSGZ5JPQ=
github.com/google/go-cmp v0.2.0/go.mod h1:oXzfMopK8JAjlY9xF4vHSVASa0yLyX7SntLO5aqRK0M=
github.com/google/go-cmp v0.3.0/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMywk6iLU=
github.com/google/go-cmp v0.3.1/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMywk6iLU=
github.com/google/go-cmp v0.4.0/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
github.com/google/go-cmp v0.4.1/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
github.com/google/go-cmp v0.5.0/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
github.com/google/go-cmp v0.5.1/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
github.com/google/go-cmp v0.5.4/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
github.com/google/go-cmp v0.5.5 h1:Khx7svrCpmxxtHBq5j2mp/xVjsi8hQMfNLvJFAlrGgU=
github.com/google/go-cmp v0.5.5/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
github.com/google/go-cmp v0.5.8 h1:e6P7q2lk1O+qJJb4BtCQXlK8vWEO8V1ZeuEdJNOqZyg=
github.com/google/go-cmp v0.5.8/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY=
github.com/google/gofuzz v1.0.0/go.mod h1:dBl0BpW6vV/+mYPU4Po3pmUjxk6FQPldtuIdl/M65Eg=
github.com/google/martian v2.1.0+incompatible/go.mod h1:9I4somxYTbIHy5NJKHRl3wXiIaQGbYVAs8BPL6v8lEs=
github.com/google/martian/v3 v3.0.0/go.mod h1:y5Zk1BBys9G+gd6Jrk0W3cC1+ELVxBWuIGO+w/tUAp0=
github.com/google/pprof v0.0.0-20181206194817-3ea8567a2e57/go.mod h1:zfwlbNMJ+OItoe0UupaVj+oy1omPYYDuagoSzA8v9mc=
github.com/google/pprof v0.0.0-20190515194954-54271f7e092f/go.mod h1:zfwlbNMJ+OItoe0UupaVj+oy1omPYYDuagoSzA8v9mc=
github.com/google/pprof v0.0.0-20191218002539-d4f498aebedc/go.mod h1:ZgVRPoUq/hfqzAqh7sHMqb3I9Rq5C59dIz2SbBwJ4eM=
github.com/google/pprof v0.0.0-20200212024743-f11f1df84d12/go.mod h1:ZgVRPoUq/hfqzAqh7sHMqb3I9Rq5C59dIz2SbBwJ4eM=
github.com/google/pprof v0.0.0-20200229191704-1ebb73c60ed3/go.mod h1:ZgVRPoUq/hfqzAqh7sHMqb3I9Rq5C59dIz2SbBwJ4eM=
github.com/google/pprof v0.0.0-20200430221834-fc25d7d30c6d/go.mod h1:ZgVRPoUq/hfqzAqh7sHMqb3I9Rq5C59dIz2SbBwJ4eM=
github.com/google/pprof v0.0.0-20200708004538-1a94d8640e99/go.mod h1:ZgVRPoUq/hfqzAqh7sHMqb3I9Rq5C59dIz2SbBwJ4eM=
github.com/google/renameio v0.1.0/go.mod h1:KWCgfxg9yswjAJkECMjeO8J8rahYeXnNhOm40UhjYkI=
github.com/googleapis/gax-go/v2 v2.0.4/go.mod h1:0Wqv26UfaUD9n4G6kQubkQ+KchISgw+vpHVxEJEs9eg=
github.com/googleapis/gax-go/v2 v2.0.5/go.mod h1:DWXyrwAJ9X0FpwwEdw+IPEYBICEFu5mhpdKc/us6bOk=
github.com/gorilla/mux v1.8.0 h1:i40aqfkR1h2SlN9hojwV5ZA91wcXFOvkdNIeFDP5koI=
github.com/gorilla/mux v1.8.0/go.mod h1:DVbg23sWSpFRCP0SfiEN6jmj59UnW/n46BH5rLB71So=
github.com/hashicorp/go-cleanhttp v0.5.0/go.mod h1:JpRdi6/HCYpAwUzNwuwqhbovhLtngrth3wmdIIUrZ80=
@ -71,10 +155,14 @@ github.com/hashicorp/golang-lru v0.5.1 h1:0hERBMJE1eitiLkihrMvRVBYAkpHzc/J3QdDN+
github.com/hashicorp/golang-lru v0.5.1/go.mod h1:/m3WP610KZHVQ1SGc6re/UDhFvYD7pJ4Ao+sR/qLZy8=
github.com/hashicorp/raft v1.3.1 h1:zDT8ke8y2aP4wf9zPTB2uSIeavJ3Hx/ceY4jxI2JxuY=
github.com/hashicorp/raft v1.3.1/go.mod h1:4Ak7FSPnuvmb0GV6vgIAJ4vYT4bek9bb6Q+7HVbyzqM=
github.com/ianlancetaylor/demangle v0.0.0-20181102032728-5e5cf60278f6/go.mod h1:aSSvb/t6k1mPoxDqO4vJh6VOCGPwU4O0C2/Eqndh1Sc=
github.com/jpillora/backoff v1.0.0/go.mod h1:J/6gKK9jxlEcS3zixgDgUAsiuZ7yrSoa/FX5e0EB2j4=
github.com/json-iterator/go v1.1.6/go.mod h1:+SdeFBvtyEkXs7REEP0seUULqWtbJapLOCVDaaPEHmU=
github.com/json-iterator/go v1.1.10/go.mod h1:KdQUCv79m/52Kvf8AW2vK1V8akMuk1QjK/uOdHXbAo4=
github.com/json-iterator/go v1.1.11/go.mod h1:KdQUCv79m/52Kvf8AW2vK1V8akMuk1QjK/uOdHXbAo4=
github.com/json-iterator/go v1.1.12/go.mod h1:e30LSqwooZae/UwlEbR2852Gd8hjQvJoHmT4TnhNGBo=
github.com/jstemmer/go-junit-report v0.0.0-20190106144839-af01ea7f8024/go.mod h1:6v2b51hI/fHJwM22ozAgKL4VKDeJcHhJFhtBdhmNjmU=
github.com/jstemmer/go-junit-report v0.9.1/go.mod h1:Brl9GWCQeLvo8nXZwPNNblvFj/XSXhF0NWZEnDohbsk=
github.com/julienschmidt/httprouter v1.2.0/go.mod h1:SYymIcj16QtmaHHD7aYtjjsJG7VTCxuUUipMqKk8s4w=
github.com/julienschmidt/httprouter v1.3.0/go.mod h1:JR6WtHb+2LUe8TCKY3cZOxFyyO8IZAc4RVcycCCAKdM=
github.com/kisielk/errcheck v1.5.0/go.mod h1:pFxgyoBC7bSaBwPgfKdkLd5X25qrDl4LWUI2bnpBCr8=
@ -101,6 +189,7 @@ github.com/modern-go/concurrent v0.0.0-20180228061459-e0a39a4cb421/go.mod h1:6dJ
github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd/go.mod h1:6dJC0mAP4ikYIbvyc7fijjWJddQyLn8Ig3JB5CqoB9Q=
github.com/modern-go/reflect2 v0.0.0-20180701023420-4b7aa43c6742/go.mod h1:bx2lNnkwVCuqBIxFjflWJWanXIb3RllmbCylyMrvgv0=
github.com/modern-go/reflect2 v1.0.1/go.mod h1:bx2lNnkwVCuqBIxFjflWJWanXIb3RllmbCylyMrvgv0=
github.com/modern-go/reflect2 v1.0.2/go.mod h1:yWuevngMOJpCy52FWWMvUC8ws7m/LJsjYzDa0/r8luk=
github.com/mwitkow/go-conntrack v0.0.0-20161129095857-cc309e4a2223/go.mod h1:qRWi+5nqEBWmkhHvq77mSJWrCKwh8bxhgT7d/eI7P4U=
github.com/mwitkow/go-conntrack v0.0.0-20190716064945-2f068394615f/go.mod h1:qRWi+5nqEBWmkhHvq77mSJWrCKwh8bxhgT7d/eI7P4U=
github.com/nats-io/jwt v1.2.2 h1:w3GMTO969dFg+UOKTmmyuu7IGdusK+7Ytlt//OYH/uU=
@ -123,10 +212,10 @@ github.com/nats-io/nuid v1.0.1/go.mod h1:19wcPz3Ph3q0Jbyiqsd0kePYG7A95tJPxeL+1OS
github.com/nats-io/stan.go v0.9.0 h1:TB73Y31au++0sU0VmnBy2pYkSrwH0zUFNRB9YePHqC4=
github.com/nats-io/stan.go v0.9.0/go.mod h1:0jEuBXKauB1HHJswHM/lx05K48TJ1Yxj6VIfM4k+aB4=
github.com/openfaas/faas-provider v0.18.6/go.mod h1:fq1JL0mX4rNvVVvRLaLRJ3H6o667sHuyP5p/7SZEe98=
github.com/openfaas/faas-provider v0.18.7 h1:Oq3N7KrlAkAZ23N5gzZfdA9F62vpUFk3ZkQpQuHeRBU=
github.com/openfaas/faas-provider v0.18.7/go.mod h1:S217qfIaMrv+XKJxgbhBzJzCfyFvoIF+BvYdDo6XIDQ=
github.com/openfaas/nats-queue-worker v0.0.0-20210726161954-ada9a31504c9 h1:dpG1UcgTesGfLetgT3ns1cAhP8XMDZqxnxTW1MlnwSc=
github.com/openfaas/nats-queue-worker v0.0.0-20210726161954-ada9a31504c9/go.mod h1:ajlN2z+D8JPBq3kWNv4WLT6mtKPqlgeE3dYEx39d1tk=
github.com/openfaas/faas-provider v0.19.1 h1:xH8lTWabfDZwzIvC0u1AO48ghD3BNw6Vo231DLqTeI0=
github.com/openfaas/faas-provider v0.19.1/go.mod h1:Farrp+9Med8LeK3aoYpqplMP8f5ebTILbCSLg2LPLZk=
github.com/openfaas/nats-queue-worker v0.0.0-20220805080536-d1d72d857b1c h1:ZVpAJIpDdHkX5NGdz49kCzyvG+H+S/KvMAVVfZAN8EI=
github.com/openfaas/nats-queue-worker v0.0.0-20220805080536-d1d72d857b1c/go.mod h1:ajlN2z+D8JPBq3kWNv4WLT6mtKPqlgeE3dYEx39d1tk=
github.com/pascaldekloe/goe v0.1.0/go.mod h1:lzWF7FIEvWOWxwDKqyGYQf6ZUaNfKdP144TG7ZOy1lc=
github.com/pkg/errors v0.8.0/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
github.com/pkg/errors v0.8.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
@ -137,23 +226,32 @@ github.com/prometheus/client_golang v0.9.1/go.mod h1:7SWBe2y4D6OKWSNQJUaRYU/AaXP
github.com/prometheus/client_golang v0.9.2/go.mod h1:OsXs2jCmiKlQ1lTBmv21f2mNfw4xf/QclQDMrYNZzcM=
github.com/prometheus/client_golang v1.0.0/go.mod h1:db9x61etRT2tGnBNRi70OPL5FsnadC4Ky3P0J6CfImo=
github.com/prometheus/client_golang v1.7.1/go.mod h1:PY5Wy2awLA44sXw4AOSfFBetzPP4j5+D6mVACh+pe2M=
github.com/prometheus/client_golang v1.11.1 h1:+4eQaD7vAZ6DsfsxB15hbE0odUjGI5ARs9yskGu1v4s=
github.com/prometheus/client_golang v1.11.1/go.mod h1:Z6t4BnS23TR94PD6BsDNk8yVqroYurpAkEiz0P2BEV0=
github.com/prometheus/client_golang v1.11.0/go.mod h1:Z6t4BnS23TR94PD6BsDNk8yVqroYurpAkEiz0P2BEV0=
github.com/prometheus/client_golang v1.12.1/go.mod h1:3Z9XVyYiZYEO+YQWt3RD2R3jrbd179Rt297l4aS6nDY=
github.com/prometheus/client_golang v1.12.2/go.mod h1:3Z9XVyYiZYEO+YQWt3RD2R3jrbd179Rt297l4aS6nDY=
github.com/prometheus/client_golang v1.13.0 h1:b71QUfeo5M8gq2+evJdTPfZhYMAU0uKPkyPJ7TPsloU=
github.com/prometheus/client_golang v1.13.0/go.mod h1:vTeo+zgvILHsnnj/39Ou/1fPN5nJFOEMgftOUOmlvYQ=
github.com/prometheus/client_model v0.0.0-20180712105110-5c3871d89910/go.mod h1:MbSGuTsp3dbXC40dX6PRTWyKYBIrTGTE9sqQNg2J8bo=
github.com/prometheus/client_model v0.0.0-20190129233127-fd36f4220a90/go.mod h1:xMI15A0UPsDsEKsMN9yxemIoYk6Tm2C1GtYGdfGttqA=
github.com/prometheus/client_model v0.0.0-20190812154241-14fe0d1b01d4/go.mod h1:xMI15A0UPsDsEKsMN9yxemIoYk6Tm2C1GtYGdfGttqA=
github.com/prometheus/client_model v0.2.0 h1:uq5h0d+GuxiXLJLNABMgp2qUWDPiLvgCzz2dUR+/W/M=
github.com/prometheus/client_model v0.2.0/go.mod h1:xMI15A0UPsDsEKsMN9yxemIoYk6Tm2C1GtYGdfGttqA=
github.com/prometheus/common v0.0.0-20181126121408-4724e9255275/go.mod h1:daVV7qP5qjZbuso7PdcryaAu0sAZbrN9i7WWcTMWvro=
github.com/prometheus/common v0.4.1/go.mod h1:TNfzLD0ON7rHzMJeJkieUDPYmFC7Snx/y86RQel1bk4=
github.com/prometheus/common v0.10.0/go.mod h1:Tlit/dnDKsSWFlCLTWaA1cyBgKHSMdTB80sz/V91rCo=
github.com/prometheus/common v0.26.0 h1:iMAkS2TDoNWnKM+Kopnx/8tnEStIfpYA0ur0xQzzhMQ=
github.com/prometheus/common v0.26.0/go.mod h1:M7rCNAaPfAosfx8veZJCuw84e35h3Cfd9VFqTh1DIvc=
github.com/prometheus/common v0.32.1/go.mod h1:vu+V0TpY+O6vW9J44gczi3Ap/oXXR10b+M/gUGO4Hls=
github.com/prometheus/common v0.37.0 h1:ccBbHCgIiT9uSoFY0vX8H3zsNR5eLt17/RQLUvn8pXE=
github.com/prometheus/common v0.37.0/go.mod h1:phzohg0JFMnBEFGxTDbfu3QyL5GI8gTQJFhYO5B3mfA=
github.com/prometheus/procfs v0.0.0-20181005140218-185b4288413d/go.mod h1:c3At6R/oaqEKCNdg8wHV1ftS6bRYblBhIjjI8uT2IGk=
github.com/prometheus/procfs v0.0.0-20181204211112-1dc9a6cbc91a/go.mod h1:c3At6R/oaqEKCNdg8wHV1ftS6bRYblBhIjjI8uT2IGk=
github.com/prometheus/procfs v0.0.2/go.mod h1:TjEm7ze935MbeOT/UhFTIMYKhuLP4wbCsTZCD3I8kEA=
github.com/prometheus/procfs v0.1.3/go.mod h1:lV6e/gmhEcM9IjHGsFOCxxuZ+z1YqCvr4OA4YeYWdaU=
github.com/prometheus/procfs v0.6.0 h1:mxy4L2jP6qMonqmq+aTtOx1ifVWUgG/TAmntgbh3xv4=
github.com/prometheus/procfs v0.6.0/go.mod h1:cz+aTbrPOrUb4q7XlbU9ygM+/jj0fzG6c1xBZuNvfVA=
github.com/prometheus/procfs v0.7.3/go.mod h1:cz+aTbrPOrUb4q7XlbU9ygM+/jj0fzG6c1xBZuNvfVA=
github.com/prometheus/procfs v0.8.0 h1:ODq8ZFEaYeCaZOJlZZdJA2AbQR98dSHSM1KW/You5mo=
github.com/prometheus/procfs v0.8.0/go.mod h1:z7EfXMXOkbkqb9IINtpCn86r/to3BnA0uaxHdg830/4=
github.com/rogpeppe/go-internal v1.3.0/go.mod h1:M8bDsm7K2OlrFYOpmOWEs/qY81heoFRclV5y23lUDJ4=
github.com/sirupsen/logrus v1.2.0/go.mod h1:LxeOpSwHxABJmUn/MG1IvRgCAasNZTLOkJPxbbu5VWo=
github.com/sirupsen/logrus v1.4.2/go.mod h1:tLMulIdttU9McNUspp0xgXVQah82FyeX6MwdIuYE2rE=
github.com/sirupsen/logrus v1.6.0/go.mod h1:7uNnSEd1DgxDLC74fIahvMZmmYsHGZGEOFrfsX/uA88=
@ -162,104 +260,335 @@ github.com/stretchr/objx v0.1.1/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+
github.com/stretchr/testify v1.2.2/go.mod h1:a8OnRcib4nhh0OaRAV+Yts87kKdq0PP7pXfy6kDkUVs=
github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI=
github.com/stretchr/testify v1.4.0/go.mod h1:j7eGeouHqKxXV5pUuKE4zz7dFj8WfuZ+81PSLYec5m4=
github.com/stretchr/testify v1.5.1 h1:nOGnQDM7FYENwehXlg/kFVnos3rEvtKTjRvOWSzb6H4=
github.com/stretchr/testify v1.5.1/go.mod h1:5W2xD1RspED5o8YsWQXVCued0rvSQ+mT+I5cxcmMvtA=
github.com/stretchr/testify v1.7.0 h1:nwc3DEeHmmLAfoZucVR881uASk0Mfjw8xYJ99tb5CcY=
github.com/stretchr/testify v1.7.0/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
github.com/tv42/httpunix v0.0.0-20150427012821-b75d8614f926/go.mod h1:9ESjWnEqriFuLhtthL60Sar/7RFoluCcXsuvEwTV5KM=
github.com/yuin/goldmark v1.1.25/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
github.com/yuin/goldmark v1.1.27/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
github.com/yuin/goldmark v1.1.32/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
github.com/yuin/goldmark v1.2.1/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
github.com/yuin/goldmark v1.3.5/go.mod h1:mwnBkeHKe2W/ZEtQ+71ViKU8L12m81fl3OWwC1Zlc8k=
go.etcd.io/bbolt v1.3.5 h1:XAzx9gjCb0Rxj7EoqcClPD1d5ZBxZJk0jbuoPHenBt0=
go.etcd.io/bbolt v1.3.5/go.mod h1:G5EMThwa9y8QZGBClrRx5EY+Yw9kAhnjy3bSjsnlVTQ=
go.opencensus.io v0.21.0/go.mod h1:mSImk1erAIZhrmZN+AvHh14ztQfjbGwt4TtuofqLduU=
go.opencensus.io v0.22.0/go.mod h1:+kGneAE2xo2IficOXnaByMWTGM9T73dGwxeWcUqIpI8=
go.opencensus.io v0.22.2/go.mod h1:yxeiOL68Rb0Xd1ddK5vPZ/oVn4vY4Ynel7k9FzqtOIw=
go.opencensus.io v0.22.3/go.mod h1:yxeiOL68Rb0Xd1ddK5vPZ/oVn4vY4Ynel7k9FzqtOIw=
go.opencensus.io v0.22.4/go.mod h1:yxeiOL68Rb0Xd1ddK5vPZ/oVn4vY4Ynel7k9FzqtOIw=
go.uber.org/goleak v1.1.0/go.mod h1:8a7PlsEVH3e/a/GLqe5IIrQx6GzcnRmZEufDUTk4A7A=
go.uber.org/goleak v1.1.10 h1:z+mqJhf6ss6BSfSM671tgKyZBFPTTJM+HLxnhPC3wu0=
go.uber.org/goleak v1.1.10/go.mod h1:8a7PlsEVH3e/a/GLqe5IIrQx6GzcnRmZEufDUTk4A7A=
go.uber.org/goleak v1.1.12 h1:gZAh5/EyT/HQwlpkCy6wTpqfH9H8Lz8zbm3dZh+OyzA=
go.uber.org/goleak v1.1.12/go.mod h1:cwTWslyiVhfpKIDGSZEM2HlOvcqm+tG4zioyIeLoqMQ=
golang.org/x/crypto v0.0.0-20180904163835-0709b304e793/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
golang.org/x/crypto v0.0.0-20190510104115-cbcb75029529/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
golang.org/x/crypto v0.0.0-20190605123033-f99c8df09eb5/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
golang.org/x/crypto v0.0.0-20191011191535-87dc89f01550/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
golang.org/x/crypto v0.0.0-20200323165209-0ec3e9974c59/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
golang.org/x/crypto v0.0.0-20210314154223-e6e6c4f2bb5b/go.mod h1:T9bdIzuCu7OtxOm1hfPfRQxPLYneinmdGuTeoZ9dtd4=
golang.org/x/crypto v0.0.0-20210513164829-c07d793c2f9a/go.mod h1:P+XmwS30IXTQdn5tA2iutPOUgjI07+tq3H3K9MVA1s8=
golang.org/x/crypto v0.0.0-20210616213533-5ff15b29337e h1:gsTQYXdTw2Gq7RBsWvlQ91b+aEQ6bXFUngBGuR8sPpI=
golang.org/x/crypto v0.0.0-20210616213533-5ff15b29337e/go.mod h1:GvvjBRRGRdwPK5ydBHafDWAxML/pGHZbMvKqRZ5+Abc=
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golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1 h1:go1bK/D/BFZV2I8cIQd1NKEZ+0owSTG1fDTci4IqFcE=
golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
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google.golang.org/appengine v1.1.0/go.mod h1:EbEs0AVv82hx2wNQdGPgUI5lhzA/G0D9YwlJXL52JkM=
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google.golang.org/genproto v0.0.0-20190425155659-357c62f0e4bb/go.mod h1:VzzqZJRnGkLBvHegQrXjBqPurQTc5/KpmUdxsrq26oE=
google.golang.org/genproto v0.0.0-20190502173448-54afdca5d873/go.mod h1:VzzqZJRnGkLBvHegQrXjBqPurQTc5/KpmUdxsrq26oE=
google.golang.org/genproto v0.0.0-20190801165951-fa694d86fc64/go.mod h1:DMBHOl98Agz4BDEuKkezgsaosCRResVns1a3J2ZsMNc=
google.golang.org/genproto v0.0.0-20190819201941-24fa4b261c55/go.mod h1:DMBHOl98Agz4BDEuKkezgsaosCRResVns1a3J2ZsMNc=
google.golang.org/genproto v0.0.0-20190911173649-1774047e7e51/go.mod h1:IbNlFCBrqXvoKpeg0TB2l7cyZUmoaFKYIwrEpbDKLA8=
google.golang.org/genproto v0.0.0-20191108220845-16a3f7862a1a/go.mod h1:n3cpQtvxv34hfy77yVDNjmbRyujviMdxYliBSkLhpCc=
google.golang.org/genproto v0.0.0-20191115194625-c23dd37a84c9/go.mod h1:n3cpQtvxv34hfy77yVDNjmbRyujviMdxYliBSkLhpCc=
google.golang.org/genproto v0.0.0-20191216164720-4f79533eabd1/go.mod h1:n3cpQtvxv34hfy77yVDNjmbRyujviMdxYliBSkLhpCc=
google.golang.org/genproto v0.0.0-20191230161307-f3c370f40bfb/go.mod h1:n3cpQtvxv34hfy77yVDNjmbRyujviMdxYliBSkLhpCc=
google.golang.org/genproto v0.0.0-20200115191322-ca5a22157cba/go.mod h1:n3cpQtvxv34hfy77yVDNjmbRyujviMdxYliBSkLhpCc=
google.golang.org/genproto v0.0.0-20200122232147-0452cf42e150/go.mod h1:n3cpQtvxv34hfy77yVDNjmbRyujviMdxYliBSkLhpCc=
google.golang.org/genproto v0.0.0-20200204135345-fa8e72b47b90/go.mod h1:GmwEX6Z4W5gMy59cAlVYjN9JhxgbQH6Gn+gFDQe2lzA=
google.golang.org/genproto v0.0.0-20200212174721-66ed5ce911ce/go.mod h1:55QSHmfGQM9UVYDPBsyGGes0y52j32PQ3BqQfXhyH3c=
google.golang.org/genproto v0.0.0-20200224152610-e50cd9704f63/go.mod h1:55QSHmfGQM9UVYDPBsyGGes0y52j32PQ3BqQfXhyH3c=
google.golang.org/genproto v0.0.0-20200228133532-8c2c7df3a383/go.mod h1:55QSHmfGQM9UVYDPBsyGGes0y52j32PQ3BqQfXhyH3c=
google.golang.org/genproto v0.0.0-20200305110556-506484158171/go.mod h1:55QSHmfGQM9UVYDPBsyGGes0y52j32PQ3BqQfXhyH3c=
google.golang.org/genproto v0.0.0-20200312145019-da6875a35672/go.mod h1:55QSHmfGQM9UVYDPBsyGGes0y52j32PQ3BqQfXhyH3c=
google.golang.org/genproto v0.0.0-20200331122359-1ee6d9798940/go.mod h1:55QSHmfGQM9UVYDPBsyGGes0y52j32PQ3BqQfXhyH3c=
google.golang.org/genproto v0.0.0-20200430143042-b979b6f78d84/go.mod h1:55QSHmfGQM9UVYDPBsyGGes0y52j32PQ3BqQfXhyH3c=
google.golang.org/genproto v0.0.0-20200511104702-f5ebc3bea380/go.mod h1:55QSHmfGQM9UVYDPBsyGGes0y52j32PQ3BqQfXhyH3c=
google.golang.org/genproto v0.0.0-20200515170657-fc4c6c6a6587/go.mod h1:YsZOwe1myG/8QRHRsmBRE1LrgQY60beZKjly0O1fX9U=
google.golang.org/genproto v0.0.0-20200526211855-cb27e3aa2013/go.mod h1:NbSheEEYHJ7i3ixzK3sjbqSGDJWnxyFXZblF3eUsNvo=
google.golang.org/genproto v0.0.0-20200618031413-b414f8b61790/go.mod h1:jDfRM7FcilCzHH/e9qn6dsT145K34l5v+OpcnNgKAAA=
google.golang.org/genproto v0.0.0-20200729003335-053ba62fc06f/go.mod h1:FWY/as6DDZQgahTzZj3fqbO1CbirC29ZNUFHwi0/+no=
google.golang.org/genproto v0.0.0-20200804131852-c06518451d9c/go.mod h1:FWY/as6DDZQgahTzZj3fqbO1CbirC29ZNUFHwi0/+no=
google.golang.org/genproto v0.0.0-20200825200019-8632dd797987/go.mod h1:FWY/as6DDZQgahTzZj3fqbO1CbirC29ZNUFHwi0/+no=
google.golang.org/grpc v1.19.0/go.mod h1:mqu4LbDTu4XGKhr4mRzUsmM4RtVoemTSY81AxZiDr8c=
google.golang.org/grpc v1.20.1/go.mod h1:10oTOabMzJvdu6/UiuZezV6QK5dSlG84ov/aaiqXj38=
google.golang.org/grpc v1.21.1/go.mod h1:oYelfM1adQP15Ek0mdvEgi9Df8B9CZIaU1084ijfRaM=
google.golang.org/grpc v1.23.0/go.mod h1:Y5yQAOtifL1yxbo5wqy6BxZv8vAUGQwXBOALyacEbxg=
google.golang.org/grpc v1.25.1/go.mod h1:c3i+UQWmh7LiEpx4sFZnkU36qjEYZ0imhYfXVyQciAY=
google.golang.org/grpc v1.26.0/go.mod h1:qbnxyOmOxrQa7FizSgH+ReBfzJrCY1pSN7KXBS8abTk=
google.golang.org/grpc v1.27.0/go.mod h1:qbnxyOmOxrQa7FizSgH+ReBfzJrCY1pSN7KXBS8abTk=
google.golang.org/grpc v1.27.1/go.mod h1:qbnxyOmOxrQa7FizSgH+ReBfzJrCY1pSN7KXBS8abTk=
google.golang.org/grpc v1.28.0/go.mod h1:rpkK4SK4GF4Ach/+MFLZUBavHOvF2JJB5uozKKal+60=
google.golang.org/grpc v1.29.1/go.mod h1:itym6AZVZYACWQqET3MqgPpjcuV5QH3BxFS3IjizoKk=
google.golang.org/grpc v1.30.0/go.mod h1:N36X2cJ7JwdamYAgDz+s+rVMFjt3numwzf/HckM8pak=
google.golang.org/grpc v1.31.0/go.mod h1:N36X2cJ7JwdamYAgDz+s+rVMFjt3numwzf/HckM8pak=
google.golang.org/protobuf v0.0.0-20200109180630-ec00e32a8dfd/go.mod h1:DFci5gLYBciE7Vtevhsrf46CRTquxDuWsQurQQe4oz8=
google.golang.org/protobuf v0.0.0-20200221191635-4d8936d0db64/go.mod h1:kwYJMbMJ01Woi6D6+Kah6886xMZcty6N08ah7+eCXa0=
google.golang.org/protobuf v0.0.0-20200228230310-ab0ca4ff8a60/go.mod h1:cfTl7dwQJ+fmap5saPgwCLgHXTUD7jkjRqWcaiX5VyM=
google.golang.org/protobuf v1.20.1-0.20200309200217-e05f789c0967/go.mod h1:A+miEFZTKqfCUM6K7xSMQL9OKL/b6hQv+e19PK+JZNE=
google.golang.org/protobuf v1.21.0/go.mod h1:47Nbq4nVaFHyn7ilMalzfO3qCViNmqZ2kzikPIcrTAo=
google.golang.org/protobuf v1.22.0/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU=
google.golang.org/protobuf v1.23.0/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU=
google.golang.org/protobuf v1.23.1-0.20200526195155-81db48ad09cc/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU=
google.golang.org/protobuf v1.24.0/go.mod h1:r/3tXBNzIEhYS9I1OUVjXDlt8tc493IdKGjtUeSXeh4=
google.golang.org/protobuf v1.25.0/go.mod h1:9JNX74DMeImyA3h4bdi1ymwjUzf21/xIlbajtzgsN7c=
google.golang.org/protobuf v1.26.0-rc.1/go.mod h1:jlhhOSvTdKEhbULTjvd4ARK9grFBp09yW+WbY/TyQbw=
google.golang.org/protobuf v1.26.0 h1:bxAC2xTBsZGibn2RTntX0oH50xLsqy1OxA9tTL3p/lk=
google.golang.org/protobuf v1.26.0/go.mod h1:9q0QmTI4eRPtz6boOQmLYwt+qCgq0jsYwAQnmE0givc=
google.golang.org/protobuf v1.28.1 h1:d0NfwRgPtno5B1Wa6L2DAG+KivqkdutMf1UhdNx175w=
google.golang.org/protobuf v1.28.1/go.mod h1:HV8QOd/L58Z+nl8r43ehVNZIU/HEI6OcFqwMG9pJV4I=
gopkg.in/alecthomas/kingpin.v2 v2.2.6/go.mod h1:FMv+mEhP44yOT+4EoQTLFTRgOQ1FBLkstjWtayDeSgw=
gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
gopkg.in/errgo.v2 v2.1.0/go.mod h1:hNsd1EY+bozCKY1Ytp96fpM3vjJbqLJn88ws8XvfDNI=
gopkg.in/yaml.v2 v2.2.1/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
gopkg.in/yaml.v2 v2.2.4/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
gopkg.in/yaml.v2 v2.2.5/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
gopkg.in/yaml.v2 v2.3.0 h1:clyUAQHOM3G0M3f5vQj7LuJrETvjVot3Z5el9nffUtU=
gopkg.in/yaml.v2 v2.3.0/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
gopkg.in/yaml.v2 v2.4.0/go.mod h1:RDklbk79AGWmwhnvt/jBztapEOGDOx6ZbXqjP6csGnQ=
gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c h1:dUUwHk2QECo/6vqA44rthZ8ie2QXMNeKRTHCNY2nXvo=
gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
honnef.co/go/tools v0.0.0-20190102054323-c2f93a96b099/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
honnef.co/go/tools v0.0.0-20190106161140-3f1c8253044a/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
honnef.co/go/tools v0.0.0-20190418001031-e561f6794a2a/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
honnef.co/go/tools v0.0.0-20190523083050-ea95bdfd59fc/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
honnef.co/go/tools v0.0.1-2019.2.3/go.mod h1:a3bituU0lyd329TUQxRnasdCoJDkEUEAqEt0JzvZhAg=
honnef.co/go/tools v0.0.1-2020.1.3/go.mod h1:X/FiERA/W4tHapMX5mGpAtMSVEeEUOyHaw9vFzvIQ3k=
honnef.co/go/tools v0.0.1-2020.1.4/go.mod h1:X/FiERA/W4tHapMX5mGpAtMSVEeEUOyHaw9vFzvIQ3k=
rsc.io/binaryregexp v0.2.0/go.mod h1:qTv7/COck+e2FymRvadv62gMdZztPaShugOCi3I+8D8=
rsc.io/quote/v3 v3.1.0/go.mod h1:yEA65RcK8LyAZtP9Kv3t0HmxON59tX3rD+tICJqUlj0=
rsc.io/sampler v1.3.0/go.mod h1:T1hPZKmBbMNahiBKFy5HrXp6adAjACjK9JXDnKaTXpA=

View File

@ -11,6 +11,7 @@ import (
"math"
"net/http"
"github.com/openfaas/faas/gateway/pkg/middleware"
"github.com/openfaas/faas/gateway/requests"
"github.com/openfaas/faas/gateway/scaling"
)
@ -19,23 +20,24 @@ import (
func MakeAlertHandler(service scaling.ServiceQuery, defaultNamespace string) http.HandlerFunc {
return func(w http.ResponseWriter, r *http.Request) {
log.Println("Alert received.")
if r.Body == nil {
http.Error(w, "A body is required for this endpoint", http.StatusBadRequest)
return
}
body, readErr := ioutil.ReadAll(r.Body)
defer r.Body.Close()
log.Println(string(body))
if readErr != nil {
body, err := ioutil.ReadAll(r.Body)
if err != nil {
w.WriteHeader(http.StatusBadRequest)
w.Write([]byte("Unable to read alert."))
log.Println(readErr)
log.Println(err)
return
}
var req requests.PrometheusAlert
err := json.Unmarshal(body, &req)
if err != nil {
if err := json.Unmarshal(body, &req); err != nil {
w.WriteHeader(http.StatusBadRequest)
w.Write([]byte("Unable to parse alert, bad format."))
log.Println(err)
@ -73,7 +75,7 @@ func handleAlerts(req *requests.PrometheusAlert, service scaling.ServiceQuery, d
func scaleService(alert requests.PrometheusInnerAlert, service scaling.ServiceQuery, defaultNamespace string) error {
var err error
serviceName, namespace := getNamespace(defaultNamespace, alert.Labels.FunctionName)
serviceName, namespace := middleware.GetNamespace(defaultNamespace, alert.Labels.FunctionName)
if len(serviceName) > 0 {
queryResponse, getErr := service.GetReplicas(serviceName, namespace)

View File

@ -1,82 +0,0 @@
// Copyright (c) OpenFaaS Author(s). All rights reserved.
// Licensed under the MIT license. See LICENSE file in the project root for full license information.
package handlers
import (
"fmt"
"log"
"net/http"
"net/url"
"strings"
"testing"
)
func TestSingleHostBaseURLResolver(t *testing.T) {
urlVal, _ := url.Parse("http://upstream:8080/")
r := SingleHostBaseURLResolver{BaseURL: urlVal.String()}
req, _ := http.NewRequest(http.MethodGet, "http://localhost/function/hello", nil)
resolved := r.Resolve(req)
want := "http://upstream:8080"
if resolved != want {
t.Logf("r.Resolve failed, want: %s got: %s", want, resolved)
t.Fail()
}
}
const watchdogPort = 8080
func TestFunctionAsHostBaseURLResolver_WithNamespaceOverride(t *testing.T) {
suffix := "openfaas-fn.local.cluster.svc."
namespace := "openfaas-fn"
newNS := "production-fn"
r := FunctionAsHostBaseURLResolver{FunctionSuffix: suffix, FunctionNamespace: namespace}
req, _ := http.NewRequest(http.MethodGet, "http://localhost/function/hello."+newNS, nil)
resolved := r.Resolve(req)
newSuffix := strings.Replace(suffix, namespace, newNS, -1)
want := fmt.Sprintf("http://hello.%s:%d", newSuffix, watchdogPort)
log.Println(want)
if resolved != want {
t.Logf("r.Resolve failed, want: %s got: %s", want, resolved)
t.Fail()
}
}
func TestFunctionAsHostBaseURLResolver_WithSuffix(t *testing.T) {
suffix := "openfaas-fn.local.cluster.svc."
r := FunctionAsHostBaseURLResolver{FunctionSuffix: suffix}
req, _ := http.NewRequest(http.MethodGet, "http://localhost/function/hello", nil)
resolved := r.Resolve(req)
want := fmt.Sprintf("http://hello.%s:%d", suffix, watchdogPort)
log.Println(want)
if resolved != want {
t.Logf("r.Resolve failed, want: %s got: %s", want, resolved)
t.Fail()
}
}
func TestFunctionAsHostBaseURLResolver_WithoutSuffix(t *testing.T) {
suffix := ""
r := FunctionAsHostBaseURLResolver{FunctionSuffix: suffix}
req, _ := http.NewRequest(http.MethodGet, "http://localhost/function/hello", nil)
resolved := r.Resolve(req)
want := fmt.Sprintf("http://hello%s:%d", suffix, watchdogPort)
if resolved != want {
t.Logf("r.Resolve failed, want: %s got: %s", want, resolved)
t.Fail()
}
}

View File

@ -10,40 +10,17 @@ import (
"log"
"net/http"
"os"
"regexp"
"strings"
"time"
"github.com/openfaas/faas/gateway/pkg/middleware"
"github.com/openfaas/faas/gateway/types"
)
// functionMatcher parses out the service name (group 1) and rest of path (group 2).
var functionMatcher = regexp.MustCompile("^/?(?:async-)?function/([^/?]+)([^?]*)")
// Indices and meta-data for functionMatcher regex parts
const (
hasPathCount = 3
routeIndex = 0 // routeIndex corresponds to /function/ or /async-function/
nameIndex = 1 // nameIndex is the function name
pathIndex = 2 // pathIndex is the path i.e. /employee/:id/
)
// BaseURLResolver URL resolver for upstream requests
type BaseURLResolver interface {
Resolve(r *http.Request) string
}
// URLPathTransformer Transform the incoming URL path for upstream requests
type URLPathTransformer interface {
Transform(r *http.Request) string
}
// MakeForwardingProxyHandler create a handler which forwards HTTP requests
func MakeForwardingProxyHandler(proxy *types.HTTPClientReverseProxy,
notifiers []HTTPNotifier,
baseURLResolver BaseURLResolver,
urlPathTransformer URLPathTransformer,
baseURLResolver middleware.BaseURLResolver,
urlPathTransformer middleware.URLPathTransformer,
serviceAuthInjector middleware.AuthInjector) http.HandlerFunc {
writeRequestURI := false
@ -165,80 +142,6 @@ func deleteHeaders(target *http.Header, exclude *[]string) {
}
}
// SingleHostBaseURLResolver resolves URLs against a single BaseURL
type SingleHostBaseURLResolver struct {
BaseURL string
}
// Resolve the base URL for a request
func (s SingleHostBaseURLResolver) Resolve(r *http.Request) string {
baseURL := s.BaseURL
if strings.HasSuffix(baseURL, "/") {
baseURL = baseURL[0 : len(baseURL)-1]
}
return baseURL
}
// FunctionAsHostBaseURLResolver resolves URLs using a function from the URL as a host
type FunctionAsHostBaseURLResolver struct {
FunctionSuffix string
FunctionNamespace string
}
// Resolve the base URL for a request
func (f FunctionAsHostBaseURLResolver) Resolve(r *http.Request) string {
svcName := getServiceName(r.URL.Path)
const watchdogPort = 8080
var suffix string
if len(f.FunctionSuffix) > 0 {
if index := strings.LastIndex(svcName, "."); index > -1 && len(svcName) > index+1 {
suffix = strings.Replace(f.FunctionSuffix, f.FunctionNamespace, "", -1)
} else {
suffix = "." + f.FunctionSuffix
}
}
return fmt.Sprintf("http://%s%s:%d", svcName, suffix, watchdogPort)
}
// TransparentURLPathTransformer passes the requested URL path through untouched.
type TransparentURLPathTransformer struct {
}
// Transform returns the URL path unchanged.
func (f TransparentURLPathTransformer) Transform(r *http.Request) string {
return r.URL.Path
}
// FunctionPrefixTrimmingURLPathTransformer removes the "/function/servicename/" prefix from the URL path.
type FunctionPrefixTrimmingURLPathTransformer struct {
}
// Transform removes the "/function/servicename/" prefix from the URL path.
func (f FunctionPrefixTrimmingURLPathTransformer) Transform(r *http.Request) string {
ret := r.URL.Path
if ret != "" {
// When forwarding to a function, since the `/function/xyz` portion
// of a path like `/function/xyz/rest/of/path` is only used or needed
// by the Gateway, we want to trim it down to `/rest/of/path` for the
// upstream request. In the following regex, in the case of a match
// the r.URL.Path will be at `0`, the function name at `1` and the
// rest of the path (the part we are interested in) at `2`.
matcher := functionMatcher.Copy()
parts := matcher.FindStringSubmatch(ret)
if len(parts) == hasPathCount {
ret = parts[pathIndex]
}
}
return ret
}
// Hop-by-hop headers. These are removed when sent to the backend.
// As of RFC 7230, hop-by-hop headers are required to appear in the
// Connection header field. These are the headers defined by the

View File

@ -10,6 +10,8 @@ import (
"net/http"
"net/url"
"testing"
"github.com/openfaas/faas/gateway/pkg/middleware"
)
func Test_buildUpstreamRequest_Body_Method_Query(t *testing.T) {
@ -170,7 +172,7 @@ func Test_getServiceName(t *testing.T) {
t.Fatal(err)
}
service := getServiceName(u.Path)
service := middleware.GetServiceName(u.Path)
if service != s.serviceName {
t.Fatalf("Incorrect service name - want: %s, got: %s", s.serviceName, service)
}
@ -195,7 +197,7 @@ func Test_buildUpstreamRequest_WithPathNoQuery(t *testing.T) {
t.Fail()
}
transformer := FunctionPrefixTrimmingURLPathTransformer{}
transformer := middleware.FunctionPrefixTrimmingURLPathTransformer{}
transformedPath := transformer.Transform(request)
wantTransformedPath := functionPath
@ -251,7 +253,7 @@ func Test_buildUpstreamRequest_WithNoPathNoQuery(t *testing.T) {
t.Fail()
}
transformer := FunctionPrefixTrimmingURLPathTransformer{}
transformer := middleware.FunctionPrefixTrimmingURLPathTransformer{}
transformedPath := transformer.Transform(request)
wantTransformedPath := "/"
@ -305,7 +307,7 @@ func Test_buildUpstreamRequest_WithPathAndQuery(t *testing.T) {
t.Fail()
}
transformer := FunctionPrefixTrimmingURLPathTransformer{}
transformer := middleware.FunctionPrefixTrimmingURLPathTransformer{}
transformedPath := transformer.Transform(request)
wantTransformedPath := functionPath

View File

@ -3,10 +3,13 @@
package handlers
import "testing"
import (
"github.com/openfaas/faas/gateway/pkg/middleware"
"testing"
)
func Test_getNamespace_Default(t *testing.T) {
root, ns := getNamespace("openfaas-fn", "figlet.openfaas-fn")
root, ns := middleware.GetNamespace("openfaas-fn", "figlet.openfaas-fn")
wantRoot := "figlet"
wantNs := "openfaas-fn"
@ -19,7 +22,7 @@ func Test_getNamespace_Default(t *testing.T) {
}
func Test_getNamespace_Override(t *testing.T) {
root, ns := getNamespace("fn", "figlet.fn")
root, ns := middleware.GetNamespace("fn", "figlet.fn")
wantRoot := "figlet"
wantNs := "fn"
@ -32,7 +35,7 @@ func Test_getNamespace_Override(t *testing.T) {
}
func Test_getNamespace_Empty(t *testing.T) {
root, ns := getNamespace("", "figlet")
root, ns := middleware.GetNamespace("", "figlet")
wantRoot := "figlet"
wantNs := ""

View File

@ -8,6 +8,7 @@ import (
"time"
"github.com/openfaas/faas/gateway/metrics"
"github.com/openfaas/faas/gateway/pkg/middleware"
"github.com/prometheus/client_golang/prometheus"
)
@ -49,7 +50,7 @@ type PrometheusFunctionNotifier struct {
// Notify records metrics in Prometheus
func (p PrometheusFunctionNotifier) Notify(method string, URL string, originalURL string, statusCode int, event string, duration time.Duration) {
serviceName := getServiceName(originalURL)
serviceName := middleware.GetServiceName(originalURL)
if len(p.FunctionNamespace) > 0 {
if !strings.Contains(serviceName, ".") {
serviceName = fmt.Sprintf("%s.%s", serviceName, p.FunctionNamespace)
@ -74,24 +75,6 @@ func (p PrometheusFunctionNotifier) Notify(method string, URL string, originalUR
}
func getServiceName(urlValue string) string {
var serviceName string
forward := "/function/"
if strings.HasPrefix(urlValue, forward) {
// With a path like `/function/xyz/rest/of/path?q=a`, the service
// name we wish to locate is just the `xyz` portion. With a positive
// match on the regex below, it will return a three-element slice.
// The item at index `0` is the same as `urlValue`, at `1`
// will be the service name we need, and at `2` the rest of the path.
matcher := functionMatcher.Copy()
matches := matcher.FindStringSubmatch(urlValue)
if len(matches) == hasPathCount {
serviceName = matches[nameIndex]
}
}
return strings.Trim(serviceName, "/")
}
// LoggingNotifier notifies a log about a request
type LoggingNotifier struct {
}
@ -99,6 +82,6 @@ type LoggingNotifier struct {
// Notify the LoggingNotifier about a request
func (LoggingNotifier) Notify(method string, URL string, originalURL string, statusCode int, event string, duration time.Duration) {
if event == "completed" {
log.Printf("Forwarded [%s] to %s - [%d] - %fs seconds", method, originalURL, statusCode, duration.Seconds())
log.Printf("Forwarded [%s] to %s - [%d] - %.4fs", method, originalURL, statusCode, duration.Seconds())
}
}

View File

@ -0,0 +1,45 @@
package handlers
import (
"fmt"
"net/http"
"golang.org/x/sync/singleflight"
"github.com/openfaas/faas/gateway/pkg/middleware"
"github.com/openfaas/faas/gateway/probing"
)
func MakeProbeHandler(prober probing.FunctionProber, cache probing.ProbeCacher, resolver middleware.BaseURLResolver, next http.HandlerFunc, defaultNamespace string) http.HandlerFunc {
group := singleflight.Group{}
return func(w http.ResponseWriter, r *http.Request) {
functionName, namespace := middleware.GetNamespace(defaultNamespace, middleware.GetServiceName(r.URL.String()))
key := fmt.Sprintf("Probe-%s.%s", functionName, namespace)
res, _, _ := group.Do(key, func() (interface{}, error) {
cached, hit := cache.Get(functionName, namespace)
var probeResult probing.FunctionProbeResult
if hit && cached != nil && cached.Available {
probeResult = *cached
} else {
probeResult = prober.Probe(functionName, namespace)
cache.Set(functionName, namespace, &probeResult)
}
return probeResult, nil
})
fnRes := res.(probing.FunctionProbeResult)
if !fnRes.Available {
http.Error(w, fmt.Sprintf("unable to probe function endpoint %s", fnRes.Error),
http.StatusServiceUnavailable)
return
}
next(w, r)
}
}

View File

@ -14,6 +14,7 @@ import (
"github.com/gorilla/mux"
ftypes "github.com/openfaas/faas-provider/types"
"github.com/openfaas/faas/gateway/metrics"
"github.com/openfaas/faas/gateway/pkg/middleware"
"github.com/openfaas/faas/gateway/scaling"
)
@ -21,7 +22,7 @@ import (
const queueAnnotation = "com.openfaas.queue"
// MakeQueuedProxy accepts work onto a queue
func MakeQueuedProxy(metrics metrics.MetricOptions, queuer ftypes.RequestQueuer, pathTransformer URLPathTransformer, defaultNS string, functionQuery scaling.FunctionQuery) http.HandlerFunc {
func MakeQueuedProxy(metrics metrics.MetricOptions, queuer ftypes.RequestQueuer, pathTransformer middleware.URLPathTransformer, defaultNS string, functionQuery scaling.FunctionQuery) http.HandlerFunc {
return func(w http.ResponseWriter, r *http.Request) {
if r.Body != nil {
defer r.Body.Close()

View File

@ -7,18 +7,11 @@ import (
"fmt"
"log"
"net/http"
"strings"
"github.com/openfaas/faas/gateway/pkg/middleware"
"github.com/openfaas/faas/gateway/scaling"
)
func getNamespace(defaultNamespace, fullName string) (string, string) {
if index := strings.LastIndex(fullName, "."); index > -1 {
return fullName[:index], fullName[index+1:]
}
return fullName, defaultNamespace
}
// MakeScalingHandler creates handler which can scale a function from
// zero to N replica(s). After scaling the next http.HandlerFunc will
// be called. If the function is not ready after the configured
@ -28,7 +21,7 @@ func MakeScalingHandler(next http.HandlerFunc, scaler scaling.FunctionScaler, co
return func(w http.ResponseWriter, r *http.Request) {
functionName, namespace := getNamespace(defaultNamespace, getServiceName(r.URL.String()))
functionName, namespace := middleware.GetNamespace(defaultNamespace, middleware.GetServiceName(r.URL.String()))
res := scaler.Scale(functionName, namespace)
@ -55,6 +48,7 @@ func MakeScalingHandler(next http.HandlerFunc, scaler scaling.FunctionScaler, co
return
}
log.Printf("[Scale] function=%s.%s 0=>N timed-out after %fs\n", functionName, namespace, res.Duration.Seconds())
log.Printf("[Scale] function=%s.%s 0=>N timed-out after %.4fs\n",
functionName, namespace, res.Duration.Seconds())
}
}

View File

@ -15,6 +15,7 @@ import (
"github.com/openfaas/faas/gateway/metrics"
"github.com/openfaas/faas/gateway/pkg/middleware"
"github.com/openfaas/faas/gateway/plugin"
"github.com/openfaas/faas/gateway/probing"
"github.com/openfaas/faas/gateway/scaling"
"github.com/openfaas/faas/gateway/types"
"github.com/openfaas/faas/gateway/version"
@ -26,10 +27,6 @@ const NameExpression = "-a-zA-Z_0-9."
func main() {
if len(version.GitCommitMessage) == 0 {
version.GitCommitMessage = "See GitHub for latest changes"
}
osEnv := types.OsEnv{}
readConfig := types.ReadConfig{}
config, configErr := readConfig.Read(osEnv)
@ -37,15 +34,18 @@ func main() {
if configErr != nil {
log.Fatalln(configErr)
}
log.Printf("HTTP Read Timeout: %s", config.ReadTimeout)
log.Printf("HTTP Write Timeout: %s", config.WriteTimeout)
if !config.UseExternalProvider() {
log.Fatalln("You must provide an external provider via 'functions_provider_url' env-var.")
}
log.Printf("Binding to external function provider: %s", config.FunctionsProviderURL)
fmt.Printf("OpenFaaS Gateway - Community Edition (CE)\n"+
"\nVersion: %s Commit: %s\nTimeouts: read=%s\twrite=%s\tupstream=%s\nFunction provider: %s\n\n",
version.BuildVersion(),
version.GitCommitSHA,
config.ReadTimeout,
config.WriteTimeout,
config.UpstreamTimeout,
config.FunctionsProviderURL)
// credentials is used for service-to-service auth
var credentials *auth.BasicAuthCredentials
@ -66,9 +66,6 @@ func main() {
servicePollInterval := time.Second * 5
metadataQuery := metrics.NewMetadataQuery(credentials)
fmt.Println(metadataQuery)
metricsOptions := metrics.BuildMetricsOptions()
exporter := metrics.NewExporter(metricsOptions, credentials, config.Namespace)
exporter.StartServiceWatcher(*config.FunctionsProviderURL, metricsOptions, "func", servicePollInterval)
@ -92,15 +89,16 @@ func main() {
functionNotifiers := []handlers.HTTPNotifier{loggingNotifier, prometheusNotifier}
forwardingNotifiers := []handlers.HTTPNotifier{loggingNotifier, prometheusServiceNotifier}
quietNotifier := []handlers.HTTPNotifier{prometheusServiceNotifier}
urlResolver := handlers.SingleHostBaseURLResolver{BaseURL: config.FunctionsProviderURL.String()}
var functionURLResolver handlers.BaseURLResolver
var functionURLTransformer handlers.URLPathTransformer
nilURLTransformer := handlers.TransparentURLPathTransformer{}
trimURLTransformer := handlers.FunctionPrefixTrimmingURLPathTransformer{}
urlResolver := middleware.SingleHostBaseURLResolver{BaseURL: config.FunctionsProviderURL.String()}
var functionURLResolver middleware.BaseURLResolver
var functionURLTransformer middleware.URLPathTransformer
nilURLTransformer := middleware.TransparentURLPathTransformer{}
trimURLTransformer := middleware.FunctionPrefixTrimmingURLPathTransformer{}
if config.DirectFunctions {
functionURLResolver = handlers.FunctionAsHostBaseURLResolver{
functionURLResolver = middleware.FunctionAsHostBaseURLResolver{
FunctionSuffix: config.DirectFunctionsSuffix,
FunctionNamespace: config.Namespace,
}
@ -118,6 +116,21 @@ func main() {
decorateExternalAuth := handlers.MakeExternalAuthHandler
// externalServiceQuery is used to query metadata from the provider about a function
externalServiceQuery := plugin.NewExternalServiceQuery(*config.FunctionsProviderURL, serviceAuthInjector)
scalingConfig := scaling.ScalingConfig{
MaxPollCount: uint(1000),
SetScaleRetries: uint(20),
FunctionPollInterval: time.Millisecond * 100,
CacheExpiry: time.Millisecond * 250, // freshness of replica values before going stale
ServiceQuery: externalServiceQuery,
}
// This cache can be used to query a function's annotations.
functionAnnotationCache := scaling.NewFunctionCache(scalingConfig.CacheExpiry)
cachedFunctionQuery := scaling.NewCachedFunctionQuery(functionAnnotationCache, externalServiceQuery)
faasHandlers.Proxy = handlers.MakeCallIDMiddleware(
handlers.MakeForwardingProxyHandler(reverseProxy, functionNotifiers, functionURLResolver, functionURLTransformer, nil),
)
@ -133,27 +146,26 @@ func main() {
faasHandlers.NamespaceListerHandler = handlers.MakeForwardingProxyHandler(reverseProxy, forwardingNotifiers, urlResolver, nilURLTransformer, serviceAuthInjector)
externalServiceQuery := plugin.NewExternalServiceQuery(*config.FunctionsProviderURL, serviceAuthInjector)
faasHandlers.Alert = handlers.MakeNotifierWrapper(
handlers.MakeAlertHandler(externalServiceQuery, config.Namespace),
forwardingNotifiers,
quietNotifier,
)
faasHandlers.LogProxyHandler = handlers.NewLogHandlerFunc(*config.LogsProviderURL, config.WriteTimeout)
scalingConfig := scaling.ScalingConfig{
MaxPollCount: uint(1000),
SetScaleRetries: uint(20),
FunctionPollInterval: time.Millisecond * 100,
CacheExpiry: time.Millisecond * 250, // freshness of replica values before going stale
ServiceQuery: externalServiceQuery,
functionProxy := faasHandlers.Proxy
if config.ProbeFunctions {
prober := probing.NewFunctionProber(cachedFunctionQuery, functionURLResolver)
// Default of 5 seconds between refreshing probes for function invocations
probeCache := probing.NewProbeCache(time.Second * 5)
functionProxy = handlers.MakeProbeHandler(prober, probeCache, functionURLResolver, functionProxy, config.Namespace)
}
functionProxy := faasHandlers.Proxy
if config.ScaleFromZero {
scalingFunctionCache := scaling.NewFunctionCache(scalingConfig.CacheExpiry)
scaler := scaling.NewFunctionScaler(scalingConfig, scalingFunctionCache)
functionProxy = handlers.MakeScalingHandler(faasHandlers.Proxy, scaler, scalingConfig, config.Namespace)
functionProxy = handlers.MakeScalingHandler(functionProxy, scaler, scalingConfig, config.Namespace)
}
if config.UseNATS() {
@ -168,11 +180,8 @@ func main() {
log.Fatalln(queueErr)
}
queueFunctionCache := scaling.NewFunctionCache(scalingConfig.CacheExpiry)
functionQuery := scaling.NewCachedFunctionQuery(queueFunctionCache, externalServiceQuery)
faasHandlers.QueuedProxy = handlers.MakeNotifierWrapper(
handlers.MakeCallIDMiddleware(handlers.MakeQueuedProxy(metricsOptions, natsQueue, trimURLTransformer, config.Namespace, functionQuery)),
handlers.MakeCallIDMiddleware(handlers.MakeQueuedProxy(metricsOptions, natsQueue, trimURLTransformer, config.Namespace, cachedFunctionQuery)),
forwardingNotifiers,
)
}
@ -198,8 +207,6 @@ func main() {
decorateExternalAuth(faasHandlers.FunctionStatus, config.UpstreamTimeout, config.AuthProxyURL, config.AuthProxyPassBody)
faasHandlers.InfoHandler =
decorateExternalAuth(faasHandlers.InfoHandler, config.UpstreamTimeout, config.AuthProxyURL, config.AuthProxyPassBody)
faasHandlers.AsyncReport =
decorateExternalAuth(faasHandlers.AsyncReport, config.UpstreamTimeout, config.AuthProxyURL, config.AuthProxyPassBody)
faasHandlers.SecretHandler =
decorateExternalAuth(faasHandlers.SecretHandler, config.UpstreamTimeout, config.AuthProxyURL, config.AuthProxyPassBody)
faasHandlers.LogProxyHandler =
@ -234,8 +241,6 @@ func main() {
r.HandleFunc("/async-function/{name:["+NameExpression+"]+}/", faasHandlers.QueuedProxy).Methods(http.MethodPost)
r.HandleFunc("/async-function/{name:["+NameExpression+"]+}", faasHandlers.QueuedProxy).Methods(http.MethodPost)
r.HandleFunc("/async-function/{name:["+NameExpression+"]+}/{params:.*}", faasHandlers.QueuedProxy).Methods(http.MethodPost)
r.HandleFunc("/system/async-report", handlers.MakeNotifierWrapper(faasHandlers.AsyncReport, forwardingNotifiers))
}
fs := http.FileServer(http.Dir("./assets/"))

View File

@ -12,14 +12,12 @@ import (
"net/http"
"net/url"
"path"
"strconv"
"time"
"log"
"github.com/openfaas/faas-provider/auth"
types "github.com/openfaas/faas-provider/types"
"github.com/openfaas/faas/gateway/scaling"
"github.com/prometheus/client_golang/prometheus"
)
@ -48,7 +46,6 @@ func (e *Exporter) Describe(ch chan<- *prometheus.Desc) {
e.metricOptions.GatewayFunctionsHistogram.Describe(ch)
e.metricOptions.ServiceReplicasGauge.Describe(ch)
e.metricOptions.GatewayFunctionInvocationStarted.Describe(ch)
e.metricOptions.ServiceTargetLoadGauge.Describe(ch)
e.metricOptions.ServiceMetrics.Counter.Describe(ch)
e.metricOptions.ServiceMetrics.Histogram.Describe(ch)
@ -62,7 +59,6 @@ func (e *Exporter) Collect(ch chan<- prometheus.Metric) {
e.metricOptions.GatewayFunctionInvocationStarted.Collect(ch)
e.metricOptions.ServiceReplicasGauge.Reset()
e.metricOptions.ServiceTargetLoadGauge.Reset()
for _, service := range e.services {
var serviceName string
@ -76,49 +72,9 @@ func (e *Exporter) Collect(ch chan<- prometheus.Metric) {
e.metricOptions.ServiceReplicasGauge.
WithLabelValues(serviceName).
Set(float64(service.Replicas))
// Set minimum replicas
minReplicas := scaling.DefaultMinReplicas
if service.Labels != nil {
a := *service.Labels
if v, ok := a[scaling.MinScaleLabel]; ok && len(v) > 0 {
val, _ := strconv.Atoi(v)
minReplicas = val
}
}
e.metricOptions.ServiceMinReplicasGauge.
WithLabelValues(serviceName).
Set(float64(minReplicas))
// Set scale type
scaleType := scaling.DefaultTypeScale
if service.Labels != nil {
a := *service.Labels
if v, ok := a[scaling.ScaleTypeLabel]; ok && len(v) > 0 {
scaleType = v
}
}
// Set target load
targetScale := scaling.DefaultTargetLoad
if service.Labels != nil {
a := *service.Labels
if v, ok := a[scaling.TargetLoadLabel]; ok && len(v) > 0 {
val, _ := strconv.Atoi(v)
targetScale = val
}
}
e.metricOptions.ServiceTargetLoadGauge.
WithLabelValues(serviceName, scaleType).
Set(float64(targetScale))
}
e.metricOptions.ServiceReplicasGauge.Collect(ch)
e.metricOptions.ServiceMinReplicasGauge.Collect(ch)
e.metricOptions.ServiceTargetLoadGauge.Collect(ch)
e.metricOptions.ServiceMetrics.Counter.Collect(ch)
e.metricOptions.ServiceMetrics.Histogram.Collect(ch)

View File

@ -17,9 +17,7 @@ type MetricOptions struct {
GatewayFunctionsHistogram *prometheus.HistogramVec
GatewayFunctionInvocationStarted *prometheus.CounterVec
ServiceReplicasGauge *prometheus.GaugeVec
ServiceMinReplicasGauge *prometheus.GaugeVec
ServiceTargetLoadGauge *prometheus.GaugeVec
ServiceReplicasGauge *prometheus.GaugeVec
ServiceMetrics *ServiceMetricOptions
}
@ -71,24 +69,6 @@ func BuildMetricsOptions() MetricOptions {
[]string{"function_name"},
)
serviceMinReplicas := prometheus.NewGaugeVec(
prometheus.GaugeOpts{
Namespace: "gateway",
Name: "service_min",
Help: "Minium replicas for function",
},
[]string{"function_name"},
)
serviceTargetLoad := prometheus.NewGaugeVec(
prometheus.GaugeOpts{
Namespace: "gateway",
Name: "service_target_load",
Help: "Target load for function",
},
[]string{"function_name", "scaling_type"},
)
// For automatic monitoring and alerting (RED method)
histogram := prometheus.NewHistogramVec(prometheus.HistogramOpts{
Subsystem: "http",
@ -126,8 +106,6 @@ func BuildMetricsOptions() MetricOptions {
GatewayFunctionsHistogram: gatewayFunctionsHistogram,
GatewayFunctionInvocation: gatewayFunctionInvocation,
ServiceReplicasGauge: serviceReplicas,
ServiceMinReplicasGauge: serviceMinReplicas,
ServiceTargetLoadGauge: serviceTargetLoad,
ServiceMetrics: serviceMetricOptions,
GatewayFunctionInvocationStarted: gatewayFunctionInvocationStarted,
}

View File

@ -0,0 +1,155 @@
// Copyright (c) OpenFaaS Author(s). All rights reserved.
// Licensed under the MIT license. See LICENSE file in the project root for full license information.
package middleware
import (
"fmt"
"log"
"net/http"
"net/url"
"strings"
"testing"
)
func Test_SingleHostBaseURLResolver_BuildURL(t *testing.T) {
newNamespace := "production-fn"
function := "figlet"
r := SingleHostBaseURLResolver{BaseURL: "http://faas-netes.openfaas:8080"}
want := "http://faas-netes.openfaas:8080/function/figlet.production-fn/healthz"
got := r.BuildURL(function, newNamespace, "/healthz", true)
if got != want {
t.Fatalf("r.URL failed, want: %s got: %s", want, got)
}
}
func Test_SingleHostBaseURLResolver_BuildURL_DefaultNamespace(t *testing.T) {
newNamespace := "openfaas-fn"
function := "figlet"
r := SingleHostBaseURLResolver{BaseURL: "http://faas-netes.openfaas:8080"}
want := "http://faas-netes.openfaas:8080/function/figlet.openfaas-fn/_/health"
got := r.BuildURL(function, newNamespace, "/_/health", true)
if got != want {
t.Fatalf("r.URL failed, want: %s got: %s", want, got)
}
}
func TestSingleHostBaseURLResolver(t *testing.T) {
urlVal, _ := url.Parse("http://upstream:8080/")
r := SingleHostBaseURLResolver{BaseURL: urlVal.String()}
req, _ := http.NewRequest(http.MethodGet, "http://localhost/function/hello", nil)
resolved := r.Resolve(req)
want := "http://upstream:8080"
if resolved != want {
t.Logf("r.Resolve failed, want: %s got: %s", want, resolved)
t.Fail()
}
}
const watchdogPort = 8080
func TestURL_NonDefaultNamespaceWithPath(t *testing.T) {
suffix := "openfaas-fn.local.cluster.svc"
namespace := "openfaas-fn"
newNamespace := "production-fn"
function := "figlet"
r := FunctionAsHostBaseURLResolver{FunctionSuffix: suffix, FunctionNamespace: namespace}
want := "http://figlet.production-fn.local.cluster.svc:8080/healthz"
got := r.BuildURL(function, newNamespace, "/healthz", true)
if got != want {
t.Fatalf("r.URL failed, want: %s got: %s", want, got)
}
}
func TestURL_NonDefaultNamespaceWithout(t *testing.T) {
suffix := "openfaas-fn.local.cluster.svc"
namespace := "openfaas-fn"
newNamespace := "production-fn"
function := "figlet"
r := FunctionAsHostBaseURLResolver{FunctionSuffix: suffix, FunctionNamespace: namespace}
want := "http://figlet.production-fn.local.cluster.svc:8080"
got := r.BuildURL(function, newNamespace, "", true)
if got != want {
t.Fatalf("r.URL failed, want: %s got: %s", want, got)
}
}
func TestURL_DefaultNamespaceWithPath(t *testing.T) {
suffix := "openfaas-fn.local.cluster.svc"
namespace := "openfaas-fn"
newNamespace := "production-fn"
function := "figlet"
r := FunctionAsHostBaseURLResolver{FunctionSuffix: suffix, FunctionNamespace: namespace}
want := "http://figlet.production-fn.local.cluster.svc:8080/_/health"
got := r.BuildURL(function, newNamespace, "/_/health", true)
if got != want {
t.Fatalf("r.URL failed, want: %s got: %s", want, got)
}
}
func TestFunctionAsHostBaseURLResolver_WithNamespaceOverride(t *testing.T) {
suffix := "openfaas-fn.local.cluster.svc."
namespace := "openfaas-fn"
newNS := "production-fn"
r := FunctionAsHostBaseURLResolver{FunctionSuffix: suffix, FunctionNamespace: namespace}
req, _ := http.NewRequest(http.MethodGet, "http://localhost/function/hello."+newNS, nil)
resolved := r.Resolve(req)
newSuffix := strings.Replace(suffix, namespace, newNS, -1)
want := fmt.Sprintf("http://hello.%s:%d", newSuffix, watchdogPort)
log.Println(want)
if resolved != want {
t.Logf("r.Resolve failed, want: %s got: %s", want, resolved)
t.Fail()
}
}
func TestFunctionAsHostBaseURLResolver_WithSuffix(t *testing.T) {
suffix := "openfaas-fn.local.cluster.svc."
r := FunctionAsHostBaseURLResolver{FunctionSuffix: suffix}
req, _ := http.NewRequest(http.MethodGet, "http://localhost/function/hello", nil)
resolved := r.Resolve(req)
want := fmt.Sprintf("http://hello.%s:%d", suffix, watchdogPort)
log.Println(want)
if resolved != want {
t.Logf("r.Resolve failed, want: %s got: %s", want, resolved)
t.Fail()
}
}
func TestFunctionAsHostBaseURLResolver_WithoutSuffix(t *testing.T) {
suffix := ""
r := FunctionAsHostBaseURLResolver{FunctionSuffix: suffix}
req, _ := http.NewRequest(http.MethodGet, "http://localhost/function/hello", nil)
resolved := r.Resolve(req)
want := fmt.Sprintf("http://hello%s:%d", suffix, watchdogPort)
if resolved != want {
t.Logf("r.Resolve failed, want: %s got: %s", want, resolved)
t.Fail()
}
}

View File

@ -1,7 +1,7 @@
// Copyright (c) OpenFaaS Author(s). All rights reserved.
// Licensed under the MIT license. See LICENSE file in the project root for full license information.
package handlers
package middleware
import (
"net/http"

View File

@ -0,0 +1,156 @@
package middleware
import (
"fmt"
"net/http"
"net/url"
"path"
"regexp"
"strings"
)
// functionMatcher parses out the service name (group 1) and rest of path (group 2).
var functionMatcher = regexp.MustCompile("^/?(?:async-)?function/([^/?]+)([^?]*)")
// Indices and meta-data for functionMatcher regex parts
const (
hasPathCount = 3
routeIndex = 0 // routeIndex corresponds to /function/ or /async-function/
nameIndex = 1 // nameIndex is the function name
pathIndex = 2 // pathIndex is the path i.e. /employee/:id/
)
// BaseURLResolver URL resolver for upstream requests
type BaseURLResolver interface {
Resolve(r *http.Request) string
BuildURL(function, namespace, healthPath string, directFunctions bool) string
}
// URLPathTransformer Transform the incoming URL path for upstream requests
type URLPathTransformer interface {
Transform(r *http.Request) string
}
// SingleHostBaseURLResolver resolves URLs against a single BaseURL
type SingleHostBaseURLResolver struct {
BaseURL string
}
func (s SingleHostBaseURLResolver) BuildURL(function, namespace, healthPath string, directFunctions bool) string {
u, _ := url.Parse(s.BaseURL)
base := fmt.Sprintf("/function/%s.%s/", function, namespace)
if len(healthPath) > 0 {
u.Path = path.Join(base, healthPath)
} else {
u.Path = base
}
return u.String()
}
// Resolve the base URL for a request
func (s SingleHostBaseURLResolver) Resolve(r *http.Request) string {
baseURL := s.BaseURL
if strings.HasSuffix(baseURL, "/") {
baseURL = baseURL[0 : len(baseURL)-1]
}
return baseURL
}
// FunctionAsHostBaseURLResolver resolves URLs using a function from the URL as a host
type FunctionAsHostBaseURLResolver struct {
FunctionSuffix string
FunctionNamespace string
}
// Resolve the base URL for a request
func (f FunctionAsHostBaseURLResolver) Resolve(r *http.Request) string {
svcName := GetServiceName(r.URL.Path)
const watchdogPort = 8080
var suffix string
if len(f.FunctionSuffix) > 0 {
if index := strings.LastIndex(svcName, "."); index > -1 && len(svcName) > index+1 {
suffix = strings.Replace(f.FunctionSuffix, f.FunctionNamespace, "", -1)
} else {
suffix = "." + f.FunctionSuffix
}
}
return fmt.Sprintf("http://%s%s:%d", svcName, suffix, watchdogPort)
}
func (f FunctionAsHostBaseURLResolver) BuildURL(function, namespace, healthPath string, directFunctions bool) string {
svcName := function
const watchdogPort = 8080
var suffix string
if len(f.FunctionSuffix) > 0 {
suffix = strings.Replace(f.FunctionSuffix, f.FunctionNamespace, namespace, 1)
}
u, _ := url.Parse(fmt.Sprintf("http://%s.%s:%d", svcName, suffix, watchdogPort))
if len(healthPath) > 0 {
u.Path = healthPath
}
return u.String()
}
// TransparentURLPathTransformer passes the requested URL path through untouched.
type TransparentURLPathTransformer struct {
}
// Transform returns the URL path unchanged.
func (f TransparentURLPathTransformer) Transform(r *http.Request) string {
return r.URL.Path
}
// FunctionPrefixTrimmingURLPathTransformer removes the "/function/servicename/" prefix from the URL path.
type FunctionPrefixTrimmingURLPathTransformer struct {
}
// Transform removes the "/function/servicename/" prefix from the URL path.
func (f FunctionPrefixTrimmingURLPathTransformer) Transform(r *http.Request) string {
ret := r.URL.Path
if ret != "" {
// When forwarding to a function, since the `/function/xyz` portion
// of a path like `/function/xyz/rest/of/path` is only used or needed
// by the Gateway, we want to trim it down to `/rest/of/path` for the
// upstream request. In the following regex, in the case of a match
// the r.URL.Path will be at `0`, the function name at `1` and the
// rest of the path (the part we are interested in) at `2`.
matcher := functionMatcher.Copy()
parts := matcher.FindStringSubmatch(ret)
if len(parts) == hasPathCount {
ret = parts[pathIndex]
}
}
return ret
}
func GetServiceName(urlValue string) string {
var serviceName string
forward := "/function/"
if strings.HasPrefix(urlValue, forward) {
// With a path like `/function/xyz/rest/of/path?q=a`, the service
// name we wish to locate is just the `xyz` portion. With a positive
// match on the regex below, it will return a three-element slice.
// The item at index `0` is the same as `urlValue`, at `1`
// will be the service name we need, and at `2` the rest of the path.
matcher := functionMatcher.Copy()
matches := matcher.FindStringSubmatch(urlValue)
if len(matches) == hasPathCount {
serviceName = matches[nameIndex]
}
}
return strings.Trim(serviceName, "/")
}

View File

@ -0,0 +1,10 @@
package middleware
import "strings"
func GetNamespace(defaultNamespace, fullName string) (string, string) {
if index := strings.LastIndex(fullName, "."); index > -1 {
return fullName[:index], fullName[index+1:]
}
return fullName, defaultNamespace
}

View File

@ -1,7 +1,7 @@
// Copyright (c) OpenFaaS Author(s). All rights reserved.
// Licensed under the MIT license. See LICENSE file in the project root for full license information.
package handlers
package middleware
import (
"net/http"

View File

@ -32,7 +32,7 @@ type ExternalServiceQuery struct {
// NewExternalServiceQuery proxies service queries to external plugin via HTTP
func NewExternalServiceQuery(externalURL url.URL, authInjector middleware.AuthInjector) scaling.ServiceQuery {
timeout := 5 * time.Second
timeout := 3 * time.Second
proxyClient := http.Client{
Transport: &http.Transport{
@ -82,35 +82,28 @@ func (s ExternalServiceQuery) GetReplicas(serviceName, serviceNamespace string)
res, err := s.ProxyClient.Do(req)
if err != nil {
log.Printf("Unable to connect to %s, error: %s", urlPath, err)
log.Println(urlPath, err)
return emptyServiceQueryResponse, err
}
var bytesOut []byte
if res.Body != nil {
bytesOut, _ = ioutil.ReadAll(res.Body)
defer res.Body.Close()
}
if res.StatusCode == http.StatusOK {
if err := json.Unmarshal(bytesOut, &function); err != nil {
log.Printf("Unable to unmarshal: %q, %s", string(bytesOut), err)
return emptyServiceQueryResponse, err
}
// log.Printf("GetReplicas [%s.%s] took: %fs", serviceName, serviceNamespace, time.Since(start).Seconds())
} else {
var body []byte
if res.Body != nil {
defer res.Body.Close()
body, _ = ioutil.ReadAll(res.Body)
}
if res.StatusCode == http.StatusOK {
err = json.Unmarshal(body, &function)
if err != nil {
log.Printf("Unable to unmarshal %s, error: %s", string(body), err)
}
log.Printf("GetReplicas [%s.%s] took: %fs",
serviceName,
serviceNamespace,
time.Since(start).Seconds())
} else {
log.Printf("GetReplicas [%s.%s] took: %fs, code: %d",
serviceName,
serviceNamespace,
time.Since(start).Seconds(),
res.StatusCode)
return emptyServiceQueryResponse, fmt.Errorf("server returned non-200 status code (%d) for function, %s", res.StatusCode, serviceName)
}
log.Printf("GetReplicas [%s.%s] took: %.4fs, code: %d\n", serviceName, serviceNamespace, time.Since(start).Seconds(), res.StatusCode)
return emptyServiceQueryResponse, fmt.Errorf("server returned non-200 status code (%d) for function, %s, body: %s", res.StatusCode, serviceName, string(bytesOut))
}
minReplicas := uint64(scaling.DefaultMinReplicas)
@ -128,7 +121,7 @@ func (s ExternalServiceQuery) GetReplicas(serviceName, serviceNamespace string)
extractedScalingFactor := extractLabelValue(labels[scaling.ScalingFactorLabel], scalingFactor)
targetLoad = extractLabelValue(labels[scaling.TargetLoadLabel], targetLoad)
if extractedScalingFactor > 0 && extractedScalingFactor <= 100 {
if extractedScalingFactor >= 0 && extractedScalingFactor <= 100 {
scalingFactor = extractedScalingFactor
} else {
log.Printf("Bad Scaling Factor: %d, is not in range of [0 - 100]. Will fallback to %d", extractedScalingFactor, scalingFactor)
@ -183,7 +176,8 @@ func (s ExternalServiceQuery) SetReplicas(serviceName, serviceNamespace string,
err = fmt.Errorf("error scaling HTTP code %d, %s", res.StatusCode, urlPath)
}
log.Printf("SetReplicas [%s.%s] took: %fs", serviceName, serviceNamespace, time.Since(start).Seconds())
log.Printf("SetReplicas [%s.%s] took: %.4fs",
serviceName, serviceNamespace, time.Since(start).Seconds())
return err
}

58
gateway/probing/cache.go Normal file
View File

@ -0,0 +1,58 @@
// Copyright (c) OpenFaaS Author(s). All rights reserved.
// Licensed under the MIT license. See LICENSE file in the project root for full license information.
package probing
import (
"fmt"
"sync"
"time"
)
// ProbeCacher queries functions and caches the results
type ProbeCacher interface {
Set(functionName, namespace string, result *FunctionProbeResult)
Get(functionName, namespace string) (result *FunctionProbeResult, hit bool)
}
// ProbeCache provides a cache of Probe replica counts
type ProbeCache struct {
Cache map[string]*FunctionProbeResult
Expiry time.Duration
Sync sync.RWMutex
}
// NewProbeCache creates a function cache to query function metadata
func NewProbeCache(cacheExpiry time.Duration) ProbeCacher {
return &ProbeCache{
Cache: make(map[string]*FunctionProbeResult),
Expiry: cacheExpiry,
}
}
// Set replica count for functionName
func (fc *ProbeCache) Set(functionName, namespace string, result *FunctionProbeResult) {
fc.Sync.Lock()
defer fc.Sync.Unlock()
fc.Cache[functionName+"."+namespace] = result
}
func (fc *ProbeCache) Get(functionName, namespace string) (*FunctionProbeResult, bool) {
result := &FunctionProbeResult{
Available: false,
Error: fmt.Errorf("unavailable in cache"),
}
hit := false
fc.Sync.RLock()
defer fc.Sync.RUnlock()
if val, exists := fc.Cache[functionName+"."+namespace]; exists {
hit = val.Expired(fc.Expiry) == false
result = val
}
return result, hit
}

116
gateway/probing/prober.go Normal file
View File

@ -0,0 +1,116 @@
// Copyright (c) OpenFaaS Author(s). All rights reserved.
// Licensed under the MIT license. See LICENSE file in the project root for full license information.
package probing
import (
"fmt"
"log"
"net/http"
"time"
"github.com/openfaas/faas/gateway/pkg/middleware"
"github.com/openfaas/faas/gateway/scaling"
"github.com/openfaas/faas/gateway/types"
)
// NewFunctionProber create a new scaler with the specified
// ScalingConfig
func NewFunctionProber(functionQuery scaling.FunctionQuery, resolver middleware.BaseURLResolver) FunctionProber {
// if directFunctions {
return &FunctionHTTPProber{
Query: functionQuery,
Resolver: resolver,
}
}
// FunctionHTTPProber probes a function's health endpoint
type FunctionHTTPProber struct {
Query scaling.FunctionQuery
Resolver middleware.BaseURLResolver
DirectFunctions bool
}
type FunctionNonProber struct {
}
func (f *FunctionNonProber) Probe(functionName, namespace string) FunctionProbeResult {
return FunctionProbeResult{
Found: true,
Available: true,
}
}
type FunctionProber interface {
Probe(functionName, namespace string) FunctionProbeResult
}
// FunctionProbeResult holds the result of scaling from zero
type FunctionProbeResult struct {
Available bool
Error error
Found bool
Duration time.Duration
Updated time.Time
}
// Expired find out whether the cache item has expired with
// the given expiry duration from when it was stored.
func (res *FunctionProbeResult) Expired(expiry time.Duration) bool {
return time.Now().After(res.Updated.Add(expiry))
}
// Scale scales a function from zero replicas to 1 or the value set in
// the minimum replicas metadata
func (f *FunctionHTTPProber) Probe(functionName, namespace string) FunctionProbeResult {
start := time.Now()
cachedResponse, _ := f.Query.Get(functionName, namespace)
probePath := "/_/health"
if cachedResponse.Annotations != nil {
if v, ok := (*cachedResponse.Annotations)["com.openfaas.http.path"]; ok && len(v) > 0 {
probePath = v
}
}
maxCount := 10
pollInterval := time.Millisecond * 50
err := types.Retry(func(attempt int) error {
u := f.Resolver.BuildURL(functionName, namespace, probePath, true)
r, _ := http.NewRequest(http.MethodGet, u, nil)
r.Header.Set("User-Agent", "com.openfaas.gateway/probe")
resp, err := http.DefaultClient.Do(r)
if err != nil {
return err
}
log.Printf("[Probe] %s => %d", u, resp.StatusCode)
if resp.StatusCode == http.StatusOK {
return nil
}
return fmt.Errorf("failed with status: %s", resp.Status)
}, "Probe", maxCount, pollInterval)
if err != nil {
return FunctionProbeResult{
Error: err,
Available: false,
Found: true,
Duration: time.Since(start),
Updated: time.Now(),
}
}
return FunctionProbeResult{
Error: nil,
Available: true,
Found: true,
Duration: time.Since(start),
Updated: time.Now(),
}
}

View File

@ -5,13 +5,6 @@
// the OpenFaaS gateway REST API
package requests
// AsyncReport is the report from a function executed on a queue worker.
type AsyncReport struct {
FunctionName string `json:"name"`
StatusCode int `json:"statusCode"`
TimeTaken float64 `json:"timeTaken"`
}
// DeleteFunctionRequest delete a deployed function
type DeleteFunctionRequest struct {
FunctionName string `json:"functionName"`

View File

@ -3,12 +3,18 @@
package scaling
import "fmt"
import (
"fmt"
"log"
"golang.org/x/sync/singleflight"
)
type CachedFunctionQuery struct {
cache FunctionCacher
serviceQuery ServiceQuery
emptyAnnotations map[string]string
singleFlight *singleflight.Group
}
func NewCachedFunctionQuery(cache FunctionCacher, serviceQuery ServiceQuery) FunctionQuery {
@ -16,6 +22,7 @@ func NewCachedFunctionQuery(cache FunctionCacher, serviceQuery ServiceQuery) Fun
cache: cache,
serviceQuery: serviceQuery,
emptyAnnotations: map[string]string{},
singleFlight: &singleflight.Group{},
}
}
@ -35,13 +42,21 @@ func (c *CachedFunctionQuery) Get(fn string, ns string) (ServiceQueryResponse, e
query, hit := c.cache.Get(fn, ns)
if !hit {
key := fmt.Sprintf("GetReplicas-%s.%s", fn, ns)
queryResponse, err, _ := c.singleFlight.Do(key, func() (interface{}, error) {
log.Printf("Cache miss - run GetReplicas")
// If there is a cache miss, then fetch the value from the provider API
return c.serviceQuery.GetReplicas(fn, ns)
})
// If there is a cache miss, then fetch the value from the provider API
queryResponse, err := c.serviceQuery.GetReplicas(fn, ns)
if err != nil {
return ServiceQueryResponse{}, err
}
c.cache.Set(fn, ns, queryResponse)
if queryResponse != nil {
c.cache.Set(fn, ns, queryResponse.(ServiceQueryResponse))
}
} else {
return query, nil
}

View File

@ -4,21 +4,26 @@ import (
"fmt"
"log"
"time"
"github.com/openfaas/faas/gateway/types"
"golang.org/x/sync/singleflight"
)
// NewFunctionScaler create a new scaler with the specified
// ScalingConfig
func NewFunctionScaler(config ScalingConfig, functionCacher FunctionCacher) FunctionScaler {
return FunctionScaler{
Cache: functionCacher,
Config: config,
Cache: functionCacher,
Config: config,
SingleFlight: &singleflight.Group{},
}
}
// FunctionScaler scales from zero
type FunctionScaler struct {
Cache FunctionCacher
Config ScalingConfig
Cache FunctionCacher
Config ScalingConfig
SingleFlight *singleflight.Group
}
// FunctionScaleResult holds the result of scaling from zero
@ -34,6 +39,8 @@ type FunctionScaleResult struct {
func (f *FunctionScaler) Scale(functionName, namespace string) FunctionScaleResult {
start := time.Now()
// First check the cache, if there are available replicas, then the
// request can be served.
if cachedResponse, hit := f.Cache.Get(functionName, namespace); hit &&
cachedResponse.AvailableReplicas > 0 {
return FunctionScaleResult{
@ -44,7 +51,12 @@ func (f *FunctionScaler) Scale(functionName, namespace string) FunctionScaleResu
}
}
queryResponse, err := f.Config.ServiceQuery.GetReplicas(functionName, namespace)
// The wasn't a hit, or there were no available replicas found
// so query the live endpoint
getKey := fmt.Sprintf("GetReplicas-%s.%s", functionName, namespace)
res, err, _ := f.SingleFlight.Do(getKey, func() (interface{}, error) {
return f.Config.ServiceQuery.GetReplicas(functionName, namespace)
})
if err != nil {
return FunctionScaleResult{
@ -54,36 +66,78 @@ func (f *FunctionScaler) Scale(functionName, namespace string) FunctionScaleResu
Duration: time.Since(start),
}
}
if res == nil {
return FunctionScaleResult{
Error: fmt.Errorf("empty response from server"),
Available: false,
Found: false,
Duration: time.Since(start),
}
}
// Check if there are available replicas in the live data
if res.(ServiceQueryResponse).AvailableReplicas > 0 {
return FunctionScaleResult{
Error: nil,
Available: true,
Found: true,
Duration: time.Since(start),
}
}
// Store the result of GetReplicas in the cache
queryResponse := res.(ServiceQueryResponse)
f.Cache.Set(functionName, namespace, queryResponse)
if queryResponse.AvailableReplicas == 0 {
// If the desired replica count is 0, then a scale up event
// is required.
if queryResponse.Replicas == 0 {
minReplicas := uint64(1)
if queryResponse.MinReplicas > 0 {
minReplicas = queryResponse.MinReplicas
}
scaleResult := backoff(func(attempt int) error {
queryResponse, err := f.Config.ServiceQuery.GetReplicas(functionName, namespace)
// In a retry-loop, first query desired replicas, then
// set them if the value is still at 0.
scaleResult := types.Retry(func(attempt int) error {
res, err, _ := f.SingleFlight.Do(getKey, func() (interface{}, error) {
return f.Config.ServiceQuery.GetReplicas(functionName, namespace)
})
if err != nil {
return err
}
// Cache the response
queryResponse = res.(ServiceQueryResponse)
f.Cache.Set(functionName, namespace, queryResponse)
// The scale up is complete because the desired replica count
// has been set to 1 or more.
if queryResponse.Replicas > 0 {
return nil
}
log.Printf("[Scale %d] function=%s 0 => %d requested", attempt, functionName, minReplicas)
setScaleErr := f.Config.ServiceQuery.SetReplicas(functionName, namespace, minReplicas)
if setScaleErr != nil {
return fmt.Errorf("unable to scale function [%s], err: %s", functionName, setScaleErr)
// Request a scale up to the minimum amount of replicas
setKey := fmt.Sprintf("SetReplicas-%s.%s", functionName, namespace)
if _, err, _ := f.SingleFlight.Do(setKey, func() (interface{}, error) {
log.Printf("[Scale %d/%d] function=%s 0 => %d requested",
attempt, int(f.Config.SetScaleRetries), functionName, minReplicas)
if err := f.Config.ServiceQuery.SetReplicas(functionName, namespace, minReplicas); err != nil {
return nil, fmt.Errorf("unable to scale function [%s], err: %s", functionName, err)
}
return nil, nil
}); err != nil {
return err
}
return nil
}, int(f.Config.SetScaleRetries), f.Config.FunctionPollInterval)
}, "Scale", int(f.Config.SetScaleRetries), f.Config.FunctionPollInterval)
if scaleResult != nil {
return FunctionScaleResult{
@ -94,37 +148,44 @@ func (f *FunctionScaler) Scale(functionName, namespace string) FunctionScaleResu
}
}
for i := 0; i < int(f.Config.MaxPollCount); i++ {
queryResponse, err := f.Config.ServiceQuery.GetReplicas(functionName, namespace)
if err == nil {
f.Cache.Set(functionName, namespace, queryResponse)
}
totalTime := time.Since(start)
}
if err != nil {
return FunctionScaleResult{
Error: err,
Available: false,
Found: true,
Duration: totalTime,
}
}
// Holding pattern for at least one function replica to be available
for i := 0; i < int(f.Config.MaxPollCount); i++ {
if queryResponse.AvailableReplicas > 0 {
res, err, _ := f.SingleFlight.Do(getKey, func() (interface{}, error) {
return f.Config.ServiceQuery.GetReplicas(functionName, namespace)
})
queryResponse := res.(ServiceQueryResponse)
log.Printf("[Scale] function=%s 0 => %d successful - %fs",
functionName, queryResponse.AvailableReplicas, totalTime.Seconds())
return FunctionScaleResult{
Error: nil,
Available: true,
Found: true,
Duration: totalTime,
}
}
time.Sleep(f.Config.FunctionPollInterval)
if err == nil {
f.Cache.Set(functionName, namespace, queryResponse)
}
totalTime := time.Since(start)
if err != nil {
return FunctionScaleResult{
Error: err,
Available: false,
Found: true,
Duration: totalTime,
}
}
if queryResponse.AvailableReplicas > 0 {
log.Printf("[Ready] function=%s waited for - %.4fs", functionName, totalTime.Seconds())
return FunctionScaleResult{
Error: nil,
Available: true,
Found: true,
Duration: totalTime,
}
}
time.Sleep(f.Config.FunctionPollInterval)
}
return FunctionScaleResult{
@ -134,23 +195,3 @@ func (f *FunctionScaler) Scale(functionName, namespace string) FunctionScaleResu
Duration: time.Since(start),
}
}
type routine func(attempt int) error
func backoff(r routine, attempts int, interval time.Duration) error {
var err error
for i := 0; i < attempts; i++ {
res := r(i)
if res != nil {
err = res
log.Printf("Attempt: %d, had error: %s\n", i, res)
} else {
err = nil
break
}
time.Sleep(interval)
}
return err
}

73
gateway/scaling/single.go Normal file
View File

@ -0,0 +1,73 @@
package scaling
import (
"log"
"sync"
)
type Call struct {
wg *sync.WaitGroup
res *SingleFlightResult
}
type SingleFlight struct {
lock *sync.RWMutex
calls map[string]*Call
}
type SingleFlightResult struct {
Result interface{}
Error error
}
func NewSingleFlight() *SingleFlight {
return &SingleFlight{
lock: &sync.RWMutex{},
calls: map[string]*Call{},
}
}
func (s *SingleFlight) Do(key string, f func() (interface{}, error)) (interface{}, error) {
s.lock.Lock()
if call, ok := s.calls[key]; ok {
s.lock.Unlock()
call.wg.Wait()
return call.res.Result, call.res.Error
}
var call *Call
if s.calls[key] == nil {
call = &Call{
wg: &sync.WaitGroup{},
}
s.calls[key] = call
}
call.wg.Add(1)
s.lock.Unlock()
go func() {
log.Printf("Miss, so running: %s", key)
res, err := f()
s.lock.Lock()
call.res = &SingleFlightResult{
Result: res,
Error: err,
}
call.wg.Done()
delete(s.calls, key)
s.lock.Unlock()
}()
call.wg.Wait()
return call.res.Result, call.res.Error
}

View File

@ -28,9 +28,6 @@ type HandlerSet struct {
// QueuedProxy queue work and return synchronous response
QueuedProxy http.HandlerFunc
// AsyncReport report a deferred execution result
AsyncReport http.HandlerFunc
// ScaleFunction enables a function to be scaled
ScaleFunction http.HandlerFunc

View File

@ -59,7 +59,7 @@ func (ReadConfig) Read(hasEnv HasEnv) (*GatewayConfig, error) {
PrometheusPort: 9090,
}
defaultDuration := time.Second * 8
defaultDuration := time.Second * 60
cfg.ReadTimeout = parseIntOrDurationValue(hasEnv.Getenv("read_timeout"), defaultDuration)
cfg.WriteTimeout = parseIntOrDurationValue(hasEnv.Getenv("write_timeout"), defaultDuration)
@ -175,6 +175,8 @@ func (ReadConfig) Read(hasEnv HasEnv) (*GatewayConfig, error) {
}
}
cfg.ProbeFunctions = parseBoolValue(hasEnv.Getenv("probe_functions"))
return &cfg, nil
}
@ -243,6 +245,9 @@ type GatewayConfig struct {
// Namespace for endpoints
Namespace string
// ProbeFunctions requires the gateway to probe the health endpoint of a function before invoking it
ProbeFunctions bool
}
// UseNATS Use NATSor not

View File

@ -137,6 +137,38 @@ func TestRead_DirectFunctionsOverride(t *testing.T) {
}
}
func TestRead_ProbeFunctions_Default(t *testing.T) {
defaults := NewEnvBucket()
readConfig := ReadConfig{}
defaults.Setenv("probe_functions", "")
want := false
config, _ := readConfig.Read(defaults)
got := config.ProbeFunctions
if want != got {
t.Logf("ProbeFunctions want %v, but got %v", want, got)
t.Fail()
}
}
func TestRead_ProbeFunctions_Enabled(t *testing.T) {
defaults := NewEnvBucket()
readConfig := ReadConfig{}
defaults.Setenv("probe_functions", "true")
want := true
config, _ := readConfig.Read(defaults)
got := config.ProbeFunctions
if want != got {
t.Logf("ProbeFunctions want %v, but got %v", want, got)
t.Fail()
}
}
func TestRead_ScaleZeroDefaultAndOverride(t *testing.T) {
defaults := NewEnvBucket()
readConfig := ReadConfig{}
@ -166,13 +198,16 @@ func TestRead_EmptyTimeoutConfig(t *testing.T) {
config, _ := readConfig.Read(defaults)
if (config.ReadTimeout) != time.Duration(8)*time.Second {
t.Log("ReadTimeout incorrect")
t.Fail()
want := time.Second * 60
got := config.ReadTimeout
if got != want {
t.Fatalf("config.ReadTimeout want: %s, but got: %s", want, got)
}
if (config.WriteTimeout) != time.Duration(8)*time.Second {
t.Log("WriteTimeout incorrect")
t.Fail()
want = time.Second * 60
got = config.WriteTimeout
if got != want {
t.Fatalf("config.WriteTimeout want: %s, but got: %s", want, got)
}
}

25
gateway/types/retry.go Normal file
View File

@ -0,0 +1,25 @@
package types
import (
"log"
"time"
)
type routine func(attempt int) error
func Retry(r routine, label string, attempts int, interval time.Duration) error {
var err error
for i := 0; i < attempts; i++ {
res := r(i)
if res != nil {
err = res
log.Printf("[%s]: %d/%d, error: %s\n", label, i, attempts, res)
} else {
err = nil
break
}
time.Sleep(interval)
}
return err
}

View File

@ -0,0 +1,43 @@
package types
import (
"fmt"
"testing"
"time"
)
func Test_retry_early_success(t *testing.T) {
called := 0
maxRetries := 10
routine := func(i int) error {
called++
if called == 5 {
return nil
}
return fmt.Errorf("not called 5 times yet")
}
Retry(routine, "test", maxRetries, time.Millisecond*5)
want := 5
if called != want {
t.Errorf("want: %d, got: %d", want, called)
}
}
func Test_retry_until_max_attempts(t *testing.T) {
called := 0
maxRetries := 10
routine := func(i int) error {
called++
return fmt.Errorf("unable to pass condition for routine")
}
Retry(routine, "test", maxRetries, time.Millisecond*5)
want := maxRetries
if called != want {
t.Errorf("want: %d, got: %d", want, called)
}
}

View File

@ -1,8 +0,0 @@
language: go
go:
- "1.x"
- master
env:
- TAGS=""
- TAGS="-tags purego"
script: go test $TAGS -v ./...

View File

@ -1,7 +1,7 @@
# xxhash
[![GoDoc](https://godoc.org/github.com/cespare/xxhash?status.svg)](https://godoc.org/github.com/cespare/xxhash)
[![Build Status](https://travis-ci.org/cespare/xxhash.svg?branch=master)](https://travis-ci.org/cespare/xxhash)
[![Go Reference](https://pkg.go.dev/badge/github.com/cespare/xxhash/v2.svg)](https://pkg.go.dev/github.com/cespare/xxhash/v2)
[![Test](https://github.com/cespare/xxhash/actions/workflows/test.yml/badge.svg)](https://github.com/cespare/xxhash/actions/workflows/test.yml)
xxhash is a Go implementation of the 64-bit
[xxHash](http://cyan4973.github.io/xxHash/) algorithm, XXH64. This is a
@ -64,4 +64,6 @@ $ go test -benchtime 10s -bench '/xxhash,direct,bytes'
- [InfluxDB](https://github.com/influxdata/influxdb)
- [Prometheus](https://github.com/prometheus/prometheus)
- [VictoriaMetrics](https://github.com/VictoriaMetrics/VictoriaMetrics)
- [FreeCache](https://github.com/coocood/freecache)
- [FastCache](https://github.com/VictoriaMetrics/fastcache)

View File

@ -1,3 +0,0 @@
module github.com/cespare/xxhash/v2
go 1.11

View File

View File

@ -193,7 +193,6 @@ func (d *Digest) UnmarshalBinary(b []byte) error {
b, d.v4 = consumeUint64(b)
b, d.total = consumeUint64(b)
copy(d.mem[:], b)
b = b[len(d.mem):]
d.n = int(d.total % uint64(len(d.mem)))
return nil
}

View File

@ -6,7 +6,7 @@
// Register allocation:
// AX h
// CX pointer to advance through b
// SI pointer to advance through b
// DX n
// BX loop end
// R8 v1, k1
@ -16,39 +16,39 @@
// R12 tmp
// R13 prime1v
// R14 prime2v
// R15 prime4v
// DI prime4v
// round reads from and advances the buffer pointer in CX.
// round reads from and advances the buffer pointer in SI.
// It assumes that R13 has prime1v and R14 has prime2v.
#define round(r) \
MOVQ (CX), R12 \
ADDQ $8, CX \
MOVQ (SI), R12 \
ADDQ $8, SI \
IMULQ R14, R12 \
ADDQ R12, r \
ROLQ $31, r \
IMULQ R13, r
// mergeRound applies a merge round on the two registers acc and val.
// It assumes that R13 has prime1v, R14 has prime2v, and R15 has prime4v.
// It assumes that R13 has prime1v, R14 has prime2v, and DI has prime4v.
#define mergeRound(acc, val) \
IMULQ R14, val \
ROLQ $31, val \
IMULQ R13, val \
XORQ val, acc \
IMULQ R13, acc \
ADDQ R15, acc
ADDQ DI, acc
// func Sum64(b []byte) uint64
TEXT ·Sum64(SB), NOSPLIT, $0-32
// Load fixed primes.
MOVQ ·prime1v(SB), R13
MOVQ ·prime2v(SB), R14
MOVQ ·prime4v(SB), R15
MOVQ ·prime4v(SB), DI
// Load slice.
MOVQ b_base+0(FP), CX
MOVQ b_base+0(FP), SI
MOVQ b_len+8(FP), DX
LEAQ (CX)(DX*1), BX
LEAQ (SI)(DX*1), BX
// The first loop limit will be len(b)-32.
SUBQ $32, BX
@ -65,14 +65,14 @@ TEXT ·Sum64(SB), NOSPLIT, $0-32
XORQ R11, R11
SUBQ R13, R11
// Loop until CX > BX.
// Loop until SI > BX.
blockLoop:
round(R8)
round(R9)
round(R10)
round(R11)
CMPQ CX, BX
CMPQ SI, BX
JLE blockLoop
MOVQ R8, AX
@ -100,16 +100,16 @@ noBlocks:
afterBlocks:
ADDQ DX, AX
// Right now BX has len(b)-32, and we want to loop until CX > len(b)-8.
// Right now BX has len(b)-32, and we want to loop until SI > len(b)-8.
ADDQ $24, BX
CMPQ CX, BX
CMPQ SI, BX
JG fourByte
wordLoop:
// Calculate k1.
MOVQ (CX), R8
ADDQ $8, CX
MOVQ (SI), R8
ADDQ $8, SI
IMULQ R14, R8
ROLQ $31, R8
IMULQ R13, R8
@ -117,18 +117,18 @@ wordLoop:
XORQ R8, AX
ROLQ $27, AX
IMULQ R13, AX
ADDQ R15, AX
ADDQ DI, AX
CMPQ CX, BX
CMPQ SI, BX
JLE wordLoop
fourByte:
ADDQ $4, BX
CMPQ CX, BX
CMPQ SI, BX
JG singles
MOVL (CX), R8
ADDQ $4, CX
MOVL (SI), R8
ADDQ $4, SI
IMULQ R13, R8
XORQ R8, AX
@ -138,19 +138,19 @@ fourByte:
singles:
ADDQ $4, BX
CMPQ CX, BX
CMPQ SI, BX
JGE finalize
singlesLoop:
MOVBQZX (CX), R12
ADDQ $1, CX
MOVBQZX (SI), R12
ADDQ $1, SI
IMULQ ·prime5v(SB), R12
XORQ R12, AX
ROLQ $11, AX
IMULQ R13, AX
CMPQ CX, BX
CMPQ SI, BX
JL singlesLoop
finalize:
@ -179,9 +179,9 @@ TEXT ·writeBlocks(SB), NOSPLIT, $0-40
MOVQ ·prime2v(SB), R14
// Load slice.
MOVQ b_base+8(FP), CX
MOVQ b_base+8(FP), SI
MOVQ b_len+16(FP), DX
LEAQ (CX)(DX*1), BX
LEAQ (SI)(DX*1), BX
SUBQ $32, BX
// Load vN from d.
@ -199,7 +199,7 @@ blockLoop:
round(R10)
round(R11)
CMPQ CX, BX
CMPQ SI, BX
JLE blockLoop
// Copy vN back to d.
@ -208,8 +208,8 @@ blockLoop:
MOVQ R10, 16(AX)
MOVQ R11, 24(AX)
// The number of bytes written is CX minus the old base pointer.
SUBQ b_base+8(FP), CX
MOVQ CX, ret+32(FP)
// The number of bytes written is SI minus the old base pointer.
SUBQ b_base+8(FP), SI
MOVQ SI, ret+32(FP)
RET

View File

@ -6,41 +6,52 @@
package xxhash
import (
"reflect"
"unsafe"
)
// Notes:
//
// See https://groups.google.com/d/msg/golang-nuts/dcjzJy-bSpw/tcZYBzQqAQAJ
// for some discussion about these unsafe conversions.
//
// In the future it's possible that compiler optimizations will make these
// unsafe operations unnecessary: https://golang.org/issue/2205.
// XxxString functions unnecessary by realizing that calls such as
// Sum64([]byte(s)) don't need to copy s. See https://golang.org/issue/2205.
// If that happens, even if we keep these functions they can be replaced with
// the trivial safe code.
// NOTE: The usual way of doing an unsafe string-to-[]byte conversion is:
//
// Both of these wrapper functions still incur function call overhead since they
// will not be inlined. We could write Go/asm copies of Sum64 and Digest.Write
// for strings to squeeze out a bit more speed. Mid-stack inlining should
// eventually fix this.
// var b []byte
// bh := (*reflect.SliceHeader)(unsafe.Pointer(&b))
// bh.Data = (*reflect.StringHeader)(unsafe.Pointer(&s)).Data
// bh.Len = len(s)
// bh.Cap = len(s)
//
// Unfortunately, as of Go 1.15.3 the inliner's cost model assigns a high enough
// weight to this sequence of expressions that any function that uses it will
// not be inlined. Instead, the functions below use a different unsafe
// conversion designed to minimize the inliner weight and allow both to be
// inlined. There is also a test (TestInlining) which verifies that these are
// inlined.
//
// See https://github.com/golang/go/issues/42739 for discussion.
// Sum64String computes the 64-bit xxHash digest of s.
// It may be faster than Sum64([]byte(s)) by avoiding a copy.
func Sum64String(s string) uint64 {
var b []byte
bh := (*reflect.SliceHeader)(unsafe.Pointer(&b))
bh.Data = (*reflect.StringHeader)(unsafe.Pointer(&s)).Data
bh.Len = len(s)
bh.Cap = len(s)
b := *(*[]byte)(unsafe.Pointer(&sliceHeader{s, len(s)}))
return Sum64(b)
}
// WriteString adds more data to d. It always returns len(s), nil.
// It may be faster than Write([]byte(s)) by avoiding a copy.
func (d *Digest) WriteString(s string) (n int, err error) {
var b []byte
bh := (*reflect.SliceHeader)(unsafe.Pointer(&b))
bh.Data = (*reflect.StringHeader)(unsafe.Pointer(&s)).Data
bh.Len = len(s)
bh.Cap = len(s)
return d.Write(b)
d.Write(*(*[]byte)(unsafe.Pointer(&sliceHeader{s, len(s)})))
// d.Write always returns len(s), nil.
// Ignoring the return output and returning these fixed values buys a
// savings of 6 in the inliner's cost model.
return len(s), nil
}
// sliceHeader is similar to reflect.SliceHeader, but it assumes that the layout
// of the first two words is the same as the layout of a string.
type sliceHeader struct {
s string
cap int
}

View File

@ -1,179 +0,0 @@
// Copyright 2016 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package ptypes
import (
"fmt"
"strings"
"github.com/golang/protobuf/proto"
"google.golang.org/protobuf/reflect/protoreflect"
"google.golang.org/protobuf/reflect/protoregistry"
anypb "github.com/golang/protobuf/ptypes/any"
)
const urlPrefix = "type.googleapis.com/"
// AnyMessageName returns the message name contained in an anypb.Any message.
// Most type assertions should use the Is function instead.
//
// Deprecated: Call the any.MessageName method instead.
func AnyMessageName(any *anypb.Any) (string, error) {
name, err := anyMessageName(any)
return string(name), err
}
func anyMessageName(any *anypb.Any) (protoreflect.FullName, error) {
if any == nil {
return "", fmt.Errorf("message is nil")
}
name := protoreflect.FullName(any.TypeUrl)
if i := strings.LastIndex(any.TypeUrl, "/"); i >= 0 {
name = name[i+len("/"):]
}
if !name.IsValid() {
return "", fmt.Errorf("message type url %q is invalid", any.TypeUrl)
}
return name, nil
}
// MarshalAny marshals the given message m into an anypb.Any message.
//
// Deprecated: Call the anypb.New function instead.
func MarshalAny(m proto.Message) (*anypb.Any, error) {
switch dm := m.(type) {
case DynamicAny:
m = dm.Message
case *DynamicAny:
if dm == nil {
return nil, proto.ErrNil
}
m = dm.Message
}
b, err := proto.Marshal(m)
if err != nil {
return nil, err
}
return &anypb.Any{TypeUrl: urlPrefix + proto.MessageName(m), Value: b}, nil
}
// Empty returns a new message of the type specified in an anypb.Any message.
// It returns protoregistry.NotFound if the corresponding message type could not
// be resolved in the global registry.
//
// Deprecated: Use protoregistry.GlobalTypes.FindMessageByName instead
// to resolve the message name and create a new instance of it.
func Empty(any *anypb.Any) (proto.Message, error) {
name, err := anyMessageName(any)
if err != nil {
return nil, err
}
mt, err := protoregistry.GlobalTypes.FindMessageByName(name)
if err != nil {
return nil, err
}
return proto.MessageV1(mt.New().Interface()), nil
}
// UnmarshalAny unmarshals the encoded value contained in the anypb.Any message
// into the provided message m. It returns an error if the target message
// does not match the type in the Any message or if an unmarshal error occurs.
//
// The target message m may be a *DynamicAny message. If the underlying message
// type could not be resolved, then this returns protoregistry.NotFound.
//
// Deprecated: Call the any.UnmarshalTo method instead.
func UnmarshalAny(any *anypb.Any, m proto.Message) error {
if dm, ok := m.(*DynamicAny); ok {
if dm.Message == nil {
var err error
dm.Message, err = Empty(any)
if err != nil {
return err
}
}
m = dm.Message
}
anyName, err := AnyMessageName(any)
if err != nil {
return err
}
msgName := proto.MessageName(m)
if anyName != msgName {
return fmt.Errorf("mismatched message type: got %q want %q", anyName, msgName)
}
return proto.Unmarshal(any.Value, m)
}
// Is reports whether the Any message contains a message of the specified type.
//
// Deprecated: Call the any.MessageIs method instead.
func Is(any *anypb.Any, m proto.Message) bool {
if any == nil || m == nil {
return false
}
name := proto.MessageName(m)
if !strings.HasSuffix(any.TypeUrl, name) {
return false
}
return len(any.TypeUrl) == len(name) || any.TypeUrl[len(any.TypeUrl)-len(name)-1] == '/'
}
// DynamicAny is a value that can be passed to UnmarshalAny to automatically
// allocate a proto.Message for the type specified in an anypb.Any message.
// The allocated message is stored in the embedded proto.Message.
//
// Example:
// var x ptypes.DynamicAny
// if err := ptypes.UnmarshalAny(a, &x); err != nil { ... }
// fmt.Printf("unmarshaled message: %v", x.Message)
//
// Deprecated: Use the any.UnmarshalNew method instead to unmarshal
// the any message contents into a new instance of the underlying message.
type DynamicAny struct{ proto.Message }
func (m DynamicAny) String() string {
if m.Message == nil {
return "<nil>"
}
return m.Message.String()
}
func (m DynamicAny) Reset() {
if m.Message == nil {
return
}
m.Message.Reset()
}
func (m DynamicAny) ProtoMessage() {
return
}
func (m DynamicAny) ProtoReflect() protoreflect.Message {
if m.Message == nil {
return nil
}
return dynamicAny{proto.MessageReflect(m.Message)}
}
type dynamicAny struct{ protoreflect.Message }
func (m dynamicAny) Type() protoreflect.MessageType {
return dynamicAnyType{m.Message.Type()}
}
func (m dynamicAny) New() protoreflect.Message {
return dynamicAnyType{m.Message.Type()}.New()
}
func (m dynamicAny) Interface() protoreflect.ProtoMessage {
return DynamicAny{proto.MessageV1(m.Message.Interface())}
}
type dynamicAnyType struct{ protoreflect.MessageType }
func (t dynamicAnyType) New() protoreflect.Message {
return dynamicAny{t.MessageType.New()}
}
func (t dynamicAnyType) Zero() protoreflect.Message {
return dynamicAny{t.MessageType.Zero()}
}

View File

@ -1,62 +0,0 @@
// Code generated by protoc-gen-go. DO NOT EDIT.
// source: github.com/golang/protobuf/ptypes/any/any.proto
package any
import (
protoreflect "google.golang.org/protobuf/reflect/protoreflect"
protoimpl "google.golang.org/protobuf/runtime/protoimpl"
anypb "google.golang.org/protobuf/types/known/anypb"
reflect "reflect"
)
// Symbols defined in public import of google/protobuf/any.proto.
type Any = anypb.Any
var File_github_com_golang_protobuf_ptypes_any_any_proto protoreflect.FileDescriptor
var file_github_com_golang_protobuf_ptypes_any_any_proto_rawDesc = []byte{
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0x74, 0x6f, 0x33,
}
var file_github_com_golang_protobuf_ptypes_any_any_proto_goTypes = []interface{}{}
var file_github_com_golang_protobuf_ptypes_any_any_proto_depIdxs = []int32{
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0, // [0:0] is the sub-list for method input_type
0, // [0:0] is the sub-list for extension type_name
0, // [0:0] is the sub-list for extension extendee
0, // [0:0] is the sub-list for field type_name
}
func init() { file_github_com_golang_protobuf_ptypes_any_any_proto_init() }
func file_github_com_golang_protobuf_ptypes_any_any_proto_init() {
if File_github_com_golang_protobuf_ptypes_any_any_proto != nil {
return
}
type x struct{}
out := protoimpl.TypeBuilder{
File: protoimpl.DescBuilder{
GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
RawDescriptor: file_github_com_golang_protobuf_ptypes_any_any_proto_rawDesc,
NumEnums: 0,
NumMessages: 0,
NumExtensions: 0,
NumServices: 0,
},
GoTypes: file_github_com_golang_protobuf_ptypes_any_any_proto_goTypes,
DependencyIndexes: file_github_com_golang_protobuf_ptypes_any_any_proto_depIdxs,
}.Build()
File_github_com_golang_protobuf_ptypes_any_any_proto = out.File
file_github_com_golang_protobuf_ptypes_any_any_proto_rawDesc = nil
file_github_com_golang_protobuf_ptypes_any_any_proto_goTypes = nil
file_github_com_golang_protobuf_ptypes_any_any_proto_depIdxs = nil
}

View File

@ -1,10 +0,0 @@
// Copyright 2016 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// Package ptypes provides functionality for interacting with well-known types.
//
// Deprecated: Well-known types have specialized functionality directly
// injected into the generated packages for each message type.
// See the deprecation notice for each function for the suggested alternative.
package ptypes

View File

@ -1,76 +0,0 @@
// Copyright 2016 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package ptypes
import (
"errors"
"fmt"
"time"
durationpb "github.com/golang/protobuf/ptypes/duration"
)
// Range of google.protobuf.Duration as specified in duration.proto.
// This is about 10,000 years in seconds.
const (
maxSeconds = int64(10000 * 365.25 * 24 * 60 * 60)
minSeconds = -maxSeconds
)
// Duration converts a durationpb.Duration to a time.Duration.
// Duration returns an error if dur is invalid or overflows a time.Duration.
//
// Deprecated: Call the dur.AsDuration and dur.CheckValid methods instead.
func Duration(dur *durationpb.Duration) (time.Duration, error) {
if err := validateDuration(dur); err != nil {
return 0, err
}
d := time.Duration(dur.Seconds) * time.Second
if int64(d/time.Second) != dur.Seconds {
return 0, fmt.Errorf("duration: %v is out of range for time.Duration", dur)
}
if dur.Nanos != 0 {
d += time.Duration(dur.Nanos) * time.Nanosecond
if (d < 0) != (dur.Nanos < 0) {
return 0, fmt.Errorf("duration: %v is out of range for time.Duration", dur)
}
}
return d, nil
}
// DurationProto converts a time.Duration to a durationpb.Duration.
//
// Deprecated: Call the durationpb.New function instead.
func DurationProto(d time.Duration) *durationpb.Duration {
nanos := d.Nanoseconds()
secs := nanos / 1e9
nanos -= secs * 1e9
return &durationpb.Duration{
Seconds: int64(secs),
Nanos: int32(nanos),
}
}
// validateDuration determines whether the durationpb.Duration is valid
// according to the definition in google/protobuf/duration.proto.
// A valid durpb.Duration may still be too large to fit into a time.Duration
// Note that the range of durationpb.Duration is about 10,000 years,
// while the range of time.Duration is about 290 years.
func validateDuration(dur *durationpb.Duration) error {
if dur == nil {
return errors.New("duration: nil Duration")
}
if dur.Seconds < minSeconds || dur.Seconds > maxSeconds {
return fmt.Errorf("duration: %v: seconds out of range", dur)
}
if dur.Nanos <= -1e9 || dur.Nanos >= 1e9 {
return fmt.Errorf("duration: %v: nanos out of range", dur)
}
// Seconds and Nanos must have the same sign, unless d.Nanos is zero.
if (dur.Seconds < 0 && dur.Nanos > 0) || (dur.Seconds > 0 && dur.Nanos < 0) {
return fmt.Errorf("duration: %v: seconds and nanos have different signs", dur)
}
return nil
}

View File

@ -1,63 +0,0 @@
// Code generated by protoc-gen-go. DO NOT EDIT.
// source: github.com/golang/protobuf/ptypes/duration/duration.proto
package duration
import (
protoreflect "google.golang.org/protobuf/reflect/protoreflect"
protoimpl "google.golang.org/protobuf/runtime/protoimpl"
durationpb "google.golang.org/protobuf/types/known/durationpb"
reflect "reflect"
)
// Symbols defined in public import of google/protobuf/duration.proto.
type Duration = durationpb.Duration
var File_github_com_golang_protobuf_ptypes_duration_duration_proto protoreflect.FileDescriptor
var file_github_com_golang_protobuf_ptypes_duration_duration_proto_rawDesc = []byte{
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var file_github_com_golang_protobuf_ptypes_duration_duration_proto_depIdxs = []int32{
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0, // [0:0] is the sub-list for extension type_name
0, // [0:0] is the sub-list for extension extendee
0, // [0:0] is the sub-list for field type_name
}
func init() { file_github_com_golang_protobuf_ptypes_duration_duration_proto_init() }
func file_github_com_golang_protobuf_ptypes_duration_duration_proto_init() {
if File_github_com_golang_protobuf_ptypes_duration_duration_proto != nil {
return
}
type x struct{}
out := protoimpl.TypeBuilder{
File: protoimpl.DescBuilder{
GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
RawDescriptor: file_github_com_golang_protobuf_ptypes_duration_duration_proto_rawDesc,
NumEnums: 0,
NumMessages: 0,
NumExtensions: 0,
NumServices: 0,
},
GoTypes: file_github_com_golang_protobuf_ptypes_duration_duration_proto_goTypes,
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}

View File

@ -1,112 +0,0 @@
// Copyright 2016 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package ptypes
import (
"errors"
"fmt"
"time"
timestamppb "github.com/golang/protobuf/ptypes/timestamp"
)
// Range of google.protobuf.Duration as specified in timestamp.proto.
const (
// Seconds field of the earliest valid Timestamp.
// This is time.Date(1, 1, 1, 0, 0, 0, 0, time.UTC).Unix().
minValidSeconds = -62135596800
// Seconds field just after the latest valid Timestamp.
// This is time.Date(10000, 1, 1, 0, 0, 0, 0, time.UTC).Unix().
maxValidSeconds = 253402300800
)
// Timestamp converts a timestamppb.Timestamp to a time.Time.
// It returns an error if the argument is invalid.
//
// Unlike most Go functions, if Timestamp returns an error, the first return
// value is not the zero time.Time. Instead, it is the value obtained from the
// time.Unix function when passed the contents of the Timestamp, in the UTC
// locale. This may or may not be a meaningful time; many invalid Timestamps
// do map to valid time.Times.
//
// A nil Timestamp returns an error. The first return value in that case is
// undefined.
//
// Deprecated: Call the ts.AsTime and ts.CheckValid methods instead.
func Timestamp(ts *timestamppb.Timestamp) (time.Time, error) {
// Don't return the zero value on error, because corresponds to a valid
// timestamp. Instead return whatever time.Unix gives us.
var t time.Time
if ts == nil {
t = time.Unix(0, 0).UTC() // treat nil like the empty Timestamp
} else {
t = time.Unix(ts.Seconds, int64(ts.Nanos)).UTC()
}
return t, validateTimestamp(ts)
}
// TimestampNow returns a google.protobuf.Timestamp for the current time.
//
// Deprecated: Call the timestamppb.Now function instead.
func TimestampNow() *timestamppb.Timestamp {
ts, err := TimestampProto(time.Now())
if err != nil {
panic("ptypes: time.Now() out of Timestamp range")
}
return ts
}
// TimestampProto converts the time.Time to a google.protobuf.Timestamp proto.
// It returns an error if the resulting Timestamp is invalid.
//
// Deprecated: Call the timestamppb.New function instead.
func TimestampProto(t time.Time) (*timestamppb.Timestamp, error) {
ts := &timestamppb.Timestamp{
Seconds: t.Unix(),
Nanos: int32(t.Nanosecond()),
}
if err := validateTimestamp(ts); err != nil {
return nil, err
}
return ts, nil
}
// TimestampString returns the RFC 3339 string for valid Timestamps.
// For invalid Timestamps, it returns an error message in parentheses.
//
// Deprecated: Call the ts.AsTime method instead,
// followed by a call to the Format method on the time.Time value.
func TimestampString(ts *timestamppb.Timestamp) string {
t, err := Timestamp(ts)
if err != nil {
return fmt.Sprintf("(%v)", err)
}
return t.Format(time.RFC3339Nano)
}
// validateTimestamp determines whether a Timestamp is valid.
// A valid timestamp represents a time in the range [0001-01-01, 10000-01-01)
// and has a Nanos field in the range [0, 1e9).
//
// If the Timestamp is valid, validateTimestamp returns nil.
// Otherwise, it returns an error that describes the problem.
//
// Every valid Timestamp can be represented by a time.Time,
// but the converse is not true.
func validateTimestamp(ts *timestamppb.Timestamp) error {
if ts == nil {
return errors.New("timestamp: nil Timestamp")
}
if ts.Seconds < minValidSeconds {
return fmt.Errorf("timestamp: %v before 0001-01-01", ts)
}
if ts.Seconds >= maxValidSeconds {
return fmt.Errorf("timestamp: %v after 10000-01-01", ts)
}
if ts.Nanos < 0 || ts.Nanos >= 1e9 {
return fmt.Errorf("timestamp: %v: nanos not in range [0, 1e9)", ts)
}
return nil
}

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@ -1,3 +0,0 @@
module github.com/gorilla/mux
go 1.12

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@ -1,8 +0,0 @@
module github.com/nats-io/nats.go
go 1.16
require (
github.com/nats-io/nkeys v0.3.0
github.com/nats-io/nuid v1.0.1
)

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@ -1,11 +0,0 @@
github.com/nats-io/nkeys v0.3.0 h1:cgM5tL53EvYRU+2YLXIK0G2mJtK12Ft9oeooSZMA2G8=
github.com/nats-io/nkeys v0.3.0/go.mod h1:gvUNGjVcM2IPr5rCsRsC6Wb3Hr2CQAm08dsxtV6A5y4=
github.com/nats-io/nuid v1.0.1 h1:5iA8DT8V7q8WK2EScv2padNa/rTESc1KdnPw4TC2paw=
github.com/nats-io/nuid v1.0.1/go.mod h1:19wcPz3Ph3q0Jbyiqsd0kePYG7A95tJPxeL+1OSON2c=
golang.org/x/crypto v0.0.0-20210314154223-e6e6c4f2bb5b h1:wSOdpTq0/eI46Ez/LkDwIsAKA71YP2SRKBODiRWM0as=
golang.org/x/crypto v0.0.0-20210314154223-e6e6c4f2bb5b/go.mod h1:T9bdIzuCu7OtxOm1hfPfRQxPLYneinmdGuTeoZ9dtd4=
golang.org/x/net v0.0.0-20210226172049-e18ecbb05110/go.mod h1:m0MpNAwzfU5UDzcl9v0D8zg8gWTRqZa9RBIspLL5mdg=
golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=

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@ -1,5 +0,0 @@
module github.com/nats-io/nkeys
go 1.16
require golang.org/x/crypto v0.0.0-20210314154223-e6e6c4f2bb5b

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@ -1,7 +0,0 @@
golang.org/x/crypto v0.0.0-20210314154223-e6e6c4f2bb5b h1:wSOdpTq0/eI46Ez/LkDwIsAKA71YP2SRKBODiRWM0as=
golang.org/x/crypto v0.0.0-20210314154223-e6e6c4f2bb5b/go.mod h1:T9bdIzuCu7OtxOm1hfPfRQxPLYneinmdGuTeoZ9dtd4=
golang.org/x/net v0.0.0-20210226172049-e18ecbb05110/go.mod h1:m0MpNAwzfU5UDzcl9v0D8zg8gWTRqZa9RBIspLL5mdg=
golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=

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@ -1,9 +0,0 @@
module github.com/nats-io/stan.go
go 1.14
require (
github.com/gogo/protobuf v1.3.2
github.com/nats-io/nats.go v1.11.0
github.com/nats-io/nuid v1.0.1
)

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@ -1,42 +0,0 @@
github.com/gogo/protobuf v1.3.2 h1:Ov1cvc58UF3b5XjBnZv7+opcTcQFZebYjWzi34vdm4Q=
github.com/gogo/protobuf v1.3.2/go.mod h1:P1XiOD3dCwIKUDQYPy72D8LYyHL2YPYrpS2s69NZV8Q=
github.com/kisielk/errcheck v1.5.0/go.mod h1:pFxgyoBC7bSaBwPgfKdkLd5X25qrDl4LWUI2bnpBCr8=
github.com/kisielk/gotool v1.0.0/go.mod h1:XhKaO+MFFWcvkIS/tQcRk01m1F5IRFswLeQ+oQHNcck=
github.com/nats-io/nats.go v1.11.0 h1:L263PZkrmkRJRJT2YHU8GwWWvEvmr9/LUKuJTXsF32k=
github.com/nats-io/nats.go v1.11.0/go.mod h1:BPko4oXsySz4aSWeFgOHLZs3G4Jq4ZAyE6/zMCxRT6w=
github.com/nats-io/nkeys v0.3.0 h1:cgM5tL53EvYRU+2YLXIK0G2mJtK12Ft9oeooSZMA2G8=
github.com/nats-io/nkeys v0.3.0/go.mod h1:gvUNGjVcM2IPr5rCsRsC6Wb3Hr2CQAm08dsxtV6A5y4=
github.com/nats-io/nuid v1.0.1 h1:5iA8DT8V7q8WK2EScv2padNa/rTESc1KdnPw4TC2paw=
github.com/nats-io/nuid v1.0.1/go.mod h1:19wcPz3Ph3q0Jbyiqsd0kePYG7A95tJPxeL+1OSON2c=
github.com/yuin/goldmark v1.1.27/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
github.com/yuin/goldmark v1.2.1/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
golang.org/x/crypto v0.0.0-20191011191535-87dc89f01550/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
golang.org/x/crypto v0.0.0-20210314154223-e6e6c4f2bb5b h1:wSOdpTq0/eI46Ez/LkDwIsAKA71YP2SRKBODiRWM0as=
golang.org/x/crypto v0.0.0-20210314154223-e6e6c4f2bb5b/go.mod h1:T9bdIzuCu7OtxOm1hfPfRQxPLYneinmdGuTeoZ9dtd4=
golang.org/x/mod v0.2.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
golang.org/x/mod v0.3.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
golang.org/x/net v0.0.0-20190620200207-3b0461eec859/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
golang.org/x/net v0.0.0-20200226121028-0de0cce0169b/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
golang.org/x/net v0.0.0-20201021035429-f5854403a974/go.mod h1:sp8m0HH+o8qH0wwXwYZr8TS3Oi6o0r6Gce1SSxlDquU=
golang.org/x/net v0.0.0-20210226172049-e18ecbb05110/go.mod h1:m0MpNAwzfU5UDzcl9v0D8zg8gWTRqZa9RBIspLL5mdg=
golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
golang.org/x/sync v0.0.0-20190911185100-cd5d95a43a6e/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
golang.org/x/sync v0.0.0-20201020160332-67f06af15bc9/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20200930185726-fdedc70b468f/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
golang.org/x/tools v0.0.0-20191119224855-298f0cb1881e/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
golang.org/x/tools v0.0.0-20200619180055-7c47624df98f/go.mod h1:EkVYQZoAsY45+roYkvgYkIh4xh/qjgUK9TdY2XT94GE=
golang.org/x/tools v0.0.0-20210106214847-113979e3529a/go.mod h1:emZCQorbCU4vsT4fOWvOPXz4eW1wZW4PmDk9uLelYpA=
golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
golang.org/x/xerrors v0.0.0-20191011141410-1b5146add898/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=

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@ -63,19 +63,19 @@ type FunctionStatus struct {
// data store for when the function or its container was created.
CreatedAt time.Time `json:"createdAt,omitempty"`
// Utilisation represents CPU and RAM used by all of the
// Usage represents CPU and RAM used by all of the
// functions' replicas. Divide by AvailableReplicas for an
// average value per replica.
Utilisation FunctionUtilisation `json:"usage,omitempty"`
Usage *FunctionUsage `json:"usage,omitempty"`
}
// FunctionUtilisation represents CPU and RAM used by all of the
// FunctionUsage represents CPU and RAM used by all of the
// functions' replicas.
//
// CPU is measured in seconds consumed since the last measurement
// RAM is measured in total bytes consumed
//
type FunctionUtilisation struct {
type FunctionUsage struct {
// CPU is the increase in CPU usage since the last measurement
// equivalent to Kubernetes' concept of millicores.
CPU float64 `json:"cpu,omitempty"`

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@ -2,7 +2,6 @@ package handler
import (
"encoding/json"
"fmt"
"log"
"sync"
"time"
@ -33,7 +32,13 @@ type NATSQueue struct {
// Queue request for processing
func (q *NATSQueue) Queue(req *ftypes.QueueRequest) error {
fmt.Printf("NatsQueue - submitting request: %s.\n", req.Function)
callId := ""
if v := req.Header.Get("X-Call-Id"); len(v) > 0 {
callId = v
}
log.Printf("[%s] Queueing (%d) bytes for: %s.\n", callId, len(req.Body), req.Function)
out, err := json.Marshal(req)
if err != nil {

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@ -1 +1 @@
See [![go-doc](https://godoc.org/github.com/prometheus/client_golang/prometheus?status.svg)](https://godoc.org/github.com/prometheus/client_golang/prometheus).
See [![Go Reference](https://pkg.go.dev/badge/github.com/prometheus/client_golang/prometheus.svg)](https://pkg.go.dev/github.com/prometheus/client_golang/prometheus).

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@ -0,0 +1,38 @@
// Copyright 2021 The Prometheus 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 prometheus
import "runtime/debug"
// NewBuildInfoCollector is the obsolete version of collectors.NewBuildInfoCollector.
// See there for documentation.
//
// Deprecated: Use collectors.NewBuildInfoCollector instead.
func NewBuildInfoCollector() Collector {
path, version, sum := "unknown", "unknown", "unknown"
if bi, ok := debug.ReadBuildInfo(); ok {
path = bi.Main.Path
version = bi.Main.Version
sum = bi.Main.Sum
}
c := &selfCollector{MustNewConstMetric(
NewDesc(
"go_build_info",
"Build information about the main Go module.",
nil, Labels{"path": path, "version": version, "checksum": sum},
),
GaugeValue, 1)}
c.init(c.self)
return c
}

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@ -69,9 +69,9 @@ type Collector interface {
// If a Collector collects the same metrics throughout its lifetime, its
// Describe method can simply be implemented as:
//
// func (c customCollector) Describe(ch chan<- *Desc) {
// DescribeByCollect(c, ch)
// }
// func (c customCollector) Describe(ch chan<- *Desc) {
// DescribeByCollect(c, ch)
// }
//
// However, this will not work if the metrics collected change dynamically over
// the lifetime of the Collector in a way that their combined set of descriptors
@ -118,3 +118,11 @@ func (c *selfCollector) Describe(ch chan<- *Desc) {
func (c *selfCollector) Collect(ch chan<- Metric) {
ch <- c.self
}
// collectorMetric is a metric that is also a collector.
// Because of selfCollector, most (if not all) Metrics in
// this package are also collectors.
type collectorMetric interface {
Metric
Collector
}

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@ -51,7 +51,7 @@ type Counter interface {
// will lead to a valid (label-less) exemplar. But if Labels is nil, the current
// exemplar is left in place. AddWithExemplar panics if the value is < 0, if any
// of the provided labels are invalid, or if the provided labels contain more
// than 64 runes in total.
// than 128 runes in total.
type ExemplarAdder interface {
AddWithExemplar(value float64, exemplar Labels)
}
@ -133,10 +133,14 @@ func (c *counter) Inc() {
atomic.AddUint64(&c.valInt, 1)
}
func (c *counter) Write(out *dto.Metric) error {
func (c *counter) get() float64 {
fval := math.Float64frombits(atomic.LoadUint64(&c.valBits))
ival := atomic.LoadUint64(&c.valInt)
val := fval + float64(ival)
return fval + float64(ival)
}
func (c *counter) Write(out *dto.Metric) error {
val := c.get()
var exemplar *dto.Exemplar
if e := c.exemplar.Load(); e != nil {

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@ -20,6 +20,9 @@ import (
"strings"
"github.com/cespare/xxhash/v2"
"github.com/prometheus/client_golang/prometheus/internal"
//nolint:staticcheck // Ignore SA1019. Need to keep deprecated package for compatibility.
"github.com/golang/protobuf/proto"
"github.com/prometheus/common/model"
@ -154,7 +157,7 @@ func NewDesc(fqName, help string, variableLabels []string, constLabels Labels) *
Value: proto.String(v),
})
}
sort.Sort(labelPairSorter(d.constLabelPairs))
sort.Sort(internal.LabelPairSorter(d.constLabelPairs))
return d
}

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@ -0,0 +1,26 @@
// Copyright 2015 The Prometheus 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.
//go:build !js || wasm
// +build !js wasm
package prometheus
import "os"
func getPIDFn() func() (int, error) {
pid := os.Getpid()
return func() (int, error) {
return pid, nil
}
}

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@ -0,0 +1,23 @@
// Copyright 2015 The Prometheus 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.
//go:build js && !wasm
// +build js,!wasm
package prometheus
func getPIDFn() func() (int, error) {
return func() (int, error) {
return 1, nil
}
}

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@ -16,32 +16,205 @@ package prometheus
import (
"runtime"
"runtime/debug"
"sync"
"time"
)
type goCollector struct {
// goRuntimeMemStats provides the metrics initially provided by runtime.ReadMemStats.
// From Go 1.17 those similar (and better) statistics are provided by runtime/metrics, so
// while eval closure works on runtime.MemStats, the struct from Go 1.17+ is
// populated using runtime/metrics.
func goRuntimeMemStats() memStatsMetrics {
return memStatsMetrics{
{
desc: NewDesc(
memstatNamespace("alloc_bytes"),
"Number of bytes allocated and still in use.",
nil, nil,
),
eval: func(ms *runtime.MemStats) float64 { return float64(ms.Alloc) },
valType: GaugeValue,
}, {
desc: NewDesc(
memstatNamespace("alloc_bytes_total"),
"Total number of bytes allocated, even if freed.",
nil, nil,
),
eval: func(ms *runtime.MemStats) float64 { return float64(ms.TotalAlloc) },
valType: CounterValue,
}, {
desc: NewDesc(
memstatNamespace("sys_bytes"),
"Number of bytes obtained from system.",
nil, nil,
),
eval: func(ms *runtime.MemStats) float64 { return float64(ms.Sys) },
valType: GaugeValue,
}, {
desc: NewDesc(
memstatNamespace("lookups_total"),
"Total number of pointer lookups.",
nil, nil,
),
eval: func(ms *runtime.MemStats) float64 { return float64(ms.Lookups) },
valType: CounterValue,
}, {
desc: NewDesc(
memstatNamespace("mallocs_total"),
"Total number of mallocs.",
nil, nil,
),
eval: func(ms *runtime.MemStats) float64 { return float64(ms.Mallocs) },
valType: CounterValue,
}, {
desc: NewDesc(
memstatNamespace("frees_total"),
"Total number of frees.",
nil, nil,
),
eval: func(ms *runtime.MemStats) float64 { return float64(ms.Frees) },
valType: CounterValue,
}, {
desc: NewDesc(
memstatNamespace("heap_alloc_bytes"),
"Number of heap bytes allocated and still in use.",
nil, nil,
),
eval: func(ms *runtime.MemStats) float64 { return float64(ms.HeapAlloc) },
valType: GaugeValue,
}, {
desc: NewDesc(
memstatNamespace("heap_sys_bytes"),
"Number of heap bytes obtained from system.",
nil, nil,
),
eval: func(ms *runtime.MemStats) float64 { return float64(ms.HeapSys) },
valType: GaugeValue,
}, {
desc: NewDesc(
memstatNamespace("heap_idle_bytes"),
"Number of heap bytes waiting to be used.",
nil, nil,
),
eval: func(ms *runtime.MemStats) float64 { return float64(ms.HeapIdle) },
valType: GaugeValue,
}, {
desc: NewDesc(
memstatNamespace("heap_inuse_bytes"),
"Number of heap bytes that are in use.",
nil, nil,
),
eval: func(ms *runtime.MemStats) float64 { return float64(ms.HeapInuse) },
valType: GaugeValue,
}, {
desc: NewDesc(
memstatNamespace("heap_released_bytes"),
"Number of heap bytes released to OS.",
nil, nil,
),
eval: func(ms *runtime.MemStats) float64 { return float64(ms.HeapReleased) },
valType: GaugeValue,
}, {
desc: NewDesc(
memstatNamespace("heap_objects"),
"Number of allocated objects.",
nil, nil,
),
eval: func(ms *runtime.MemStats) float64 { return float64(ms.HeapObjects) },
valType: GaugeValue,
}, {
desc: NewDesc(
memstatNamespace("stack_inuse_bytes"),
"Number of bytes in use by the stack allocator.",
nil, nil,
),
eval: func(ms *runtime.MemStats) float64 { return float64(ms.StackInuse) },
valType: GaugeValue,
}, {
desc: NewDesc(
memstatNamespace("stack_sys_bytes"),
"Number of bytes obtained from system for stack allocator.",
nil, nil,
),
eval: func(ms *runtime.MemStats) float64 { return float64(ms.StackSys) },
valType: GaugeValue,
}, {
desc: NewDesc(
memstatNamespace("mspan_inuse_bytes"),
"Number of bytes in use by mspan structures.",
nil, nil,
),
eval: func(ms *runtime.MemStats) float64 { return float64(ms.MSpanInuse) },
valType: GaugeValue,
}, {
desc: NewDesc(
memstatNamespace("mspan_sys_bytes"),
"Number of bytes used for mspan structures obtained from system.",
nil, nil,
),
eval: func(ms *runtime.MemStats) float64 { return float64(ms.MSpanSys) },
valType: GaugeValue,
}, {
desc: NewDesc(
memstatNamespace("mcache_inuse_bytes"),
"Number of bytes in use by mcache structures.",
nil, nil,
),
eval: func(ms *runtime.MemStats) float64 { return float64(ms.MCacheInuse) },
valType: GaugeValue,
}, {
desc: NewDesc(
memstatNamespace("mcache_sys_bytes"),
"Number of bytes used for mcache structures obtained from system.",
nil, nil,
),
eval: func(ms *runtime.MemStats) float64 { return float64(ms.MCacheSys) },
valType: GaugeValue,
}, {
desc: NewDesc(
memstatNamespace("buck_hash_sys_bytes"),
"Number of bytes used by the profiling bucket hash table.",
nil, nil,
),
eval: func(ms *runtime.MemStats) float64 { return float64(ms.BuckHashSys) },
valType: GaugeValue,
}, {
desc: NewDesc(
memstatNamespace("gc_sys_bytes"),
"Number of bytes used for garbage collection system metadata.",
nil, nil,
),
eval: func(ms *runtime.MemStats) float64 { return float64(ms.GCSys) },
valType: GaugeValue,
}, {
desc: NewDesc(
memstatNamespace("other_sys_bytes"),
"Number of bytes used for other system allocations.",
nil, nil,
),
eval: func(ms *runtime.MemStats) float64 { return float64(ms.OtherSys) },
valType: GaugeValue,
}, {
desc: NewDesc(
memstatNamespace("next_gc_bytes"),
"Number of heap bytes when next garbage collection will take place.",
nil, nil,
),
eval: func(ms *runtime.MemStats) float64 { return float64(ms.NextGC) },
valType: GaugeValue,
},
}
}
type baseGoCollector struct {
goroutinesDesc *Desc
threadsDesc *Desc
gcDesc *Desc
gcLastTimeDesc *Desc
goInfoDesc *Desc
// ms... are memstats related.
msLast *runtime.MemStats // Previously collected memstats.
msLastTimestamp time.Time
msMtx sync.Mutex // Protects msLast and msLastTimestamp.
msMetrics memStatsMetrics
msRead func(*runtime.MemStats) // For mocking in tests.
msMaxWait time.Duration // Wait time for fresh memstats.
msMaxAge time.Duration // Maximum allowed age of old memstats.
}
// NewGoCollector is the obsolete version of collectors.NewGoCollector.
// See there for documentation.
//
// Deprecated: Use collectors.NewGoCollector instead.
func NewGoCollector() Collector {
return &goCollector{
func newBaseGoCollector() baseGoCollector {
return baseGoCollector{
goroutinesDesc: NewDesc(
"go_goroutines",
"Number of goroutines that currently exist.",
@ -54,246 +227,32 @@ func NewGoCollector() Collector {
"go_gc_duration_seconds",
"A summary of the pause duration of garbage collection cycles.",
nil, nil),
gcLastTimeDesc: NewDesc(
"go_memstats_last_gc_time_seconds",
"Number of seconds since 1970 of last garbage collection.",
nil, nil),
goInfoDesc: NewDesc(
"go_info",
"Information about the Go environment.",
nil, Labels{"version": runtime.Version()}),
msLast: &runtime.MemStats{},
msRead: runtime.ReadMemStats,
msMaxWait: time.Second,
msMaxAge: 5 * time.Minute,
msMetrics: memStatsMetrics{
{
desc: NewDesc(
memstatNamespace("alloc_bytes"),
"Number of bytes allocated and still in use.",
nil, nil,
),
eval: func(ms *runtime.MemStats) float64 { return float64(ms.Alloc) },
valType: GaugeValue,
}, {
desc: NewDesc(
memstatNamespace("alloc_bytes_total"),
"Total number of bytes allocated, even if freed.",
nil, nil,
),
eval: func(ms *runtime.MemStats) float64 { return float64(ms.TotalAlloc) },
valType: CounterValue,
}, {
desc: NewDesc(
memstatNamespace("sys_bytes"),
"Number of bytes obtained from system.",
nil, nil,
),
eval: func(ms *runtime.MemStats) float64 { return float64(ms.Sys) },
valType: GaugeValue,
}, {
desc: NewDesc(
memstatNamespace("lookups_total"),
"Total number of pointer lookups.",
nil, nil,
),
eval: func(ms *runtime.MemStats) float64 { return float64(ms.Lookups) },
valType: CounterValue,
}, {
desc: NewDesc(
memstatNamespace("mallocs_total"),
"Total number of mallocs.",
nil, nil,
),
eval: func(ms *runtime.MemStats) float64 { return float64(ms.Mallocs) },
valType: CounterValue,
}, {
desc: NewDesc(
memstatNamespace("frees_total"),
"Total number of frees.",
nil, nil,
),
eval: func(ms *runtime.MemStats) float64 { return float64(ms.Frees) },
valType: CounterValue,
}, {
desc: NewDesc(
memstatNamespace("heap_alloc_bytes"),
"Number of heap bytes allocated and still in use.",
nil, nil,
),
eval: func(ms *runtime.MemStats) float64 { return float64(ms.HeapAlloc) },
valType: GaugeValue,
}, {
desc: NewDesc(
memstatNamespace("heap_sys_bytes"),
"Number of heap bytes obtained from system.",
nil, nil,
),
eval: func(ms *runtime.MemStats) float64 { return float64(ms.HeapSys) },
valType: GaugeValue,
}, {
desc: NewDesc(
memstatNamespace("heap_idle_bytes"),
"Number of heap bytes waiting to be used.",
nil, nil,
),
eval: func(ms *runtime.MemStats) float64 { return float64(ms.HeapIdle) },
valType: GaugeValue,
}, {
desc: NewDesc(
memstatNamespace("heap_inuse_bytes"),
"Number of heap bytes that are in use.",
nil, nil,
),
eval: func(ms *runtime.MemStats) float64 { return float64(ms.HeapInuse) },
valType: GaugeValue,
}, {
desc: NewDesc(
memstatNamespace("heap_released_bytes"),
"Number of heap bytes released to OS.",
nil, nil,
),
eval: func(ms *runtime.MemStats) float64 { return float64(ms.HeapReleased) },
valType: GaugeValue,
}, {
desc: NewDesc(
memstatNamespace("heap_objects"),
"Number of allocated objects.",
nil, nil,
),
eval: func(ms *runtime.MemStats) float64 { return float64(ms.HeapObjects) },
valType: GaugeValue,
}, {
desc: NewDesc(
memstatNamespace("stack_inuse_bytes"),
"Number of bytes in use by the stack allocator.",
nil, nil,
),
eval: func(ms *runtime.MemStats) float64 { return float64(ms.StackInuse) },
valType: GaugeValue,
}, {
desc: NewDesc(
memstatNamespace("stack_sys_bytes"),
"Number of bytes obtained from system for stack allocator.",
nil, nil,
),
eval: func(ms *runtime.MemStats) float64 { return float64(ms.StackSys) },
valType: GaugeValue,
}, {
desc: NewDesc(
memstatNamespace("mspan_inuse_bytes"),
"Number of bytes in use by mspan structures.",
nil, nil,
),
eval: func(ms *runtime.MemStats) float64 { return float64(ms.MSpanInuse) },
valType: GaugeValue,
}, {
desc: NewDesc(
memstatNamespace("mspan_sys_bytes"),
"Number of bytes used for mspan structures obtained from system.",
nil, nil,
),
eval: func(ms *runtime.MemStats) float64 { return float64(ms.MSpanSys) },
valType: GaugeValue,
}, {
desc: NewDesc(
memstatNamespace("mcache_inuse_bytes"),
"Number of bytes in use by mcache structures.",
nil, nil,
),
eval: func(ms *runtime.MemStats) float64 { return float64(ms.MCacheInuse) },
valType: GaugeValue,
}, {
desc: NewDesc(
memstatNamespace("mcache_sys_bytes"),
"Number of bytes used for mcache structures obtained from system.",
nil, nil,
),
eval: func(ms *runtime.MemStats) float64 { return float64(ms.MCacheSys) },
valType: GaugeValue,
}, {
desc: NewDesc(
memstatNamespace("buck_hash_sys_bytes"),
"Number of bytes used by the profiling bucket hash table.",
nil, nil,
),
eval: func(ms *runtime.MemStats) float64 { return float64(ms.BuckHashSys) },
valType: GaugeValue,
}, {
desc: NewDesc(
memstatNamespace("gc_sys_bytes"),
"Number of bytes used for garbage collection system metadata.",
nil, nil,
),
eval: func(ms *runtime.MemStats) float64 { return float64(ms.GCSys) },
valType: GaugeValue,
}, {
desc: NewDesc(
memstatNamespace("other_sys_bytes"),
"Number of bytes used for other system allocations.",
nil, nil,
),
eval: func(ms *runtime.MemStats) float64 { return float64(ms.OtherSys) },
valType: GaugeValue,
}, {
desc: NewDesc(
memstatNamespace("next_gc_bytes"),
"Number of heap bytes when next garbage collection will take place.",
nil, nil,
),
eval: func(ms *runtime.MemStats) float64 { return float64(ms.NextGC) },
valType: GaugeValue,
}, {
desc: NewDesc(
memstatNamespace("last_gc_time_seconds"),
"Number of seconds since 1970 of last garbage collection.",
nil, nil,
),
eval: func(ms *runtime.MemStats) float64 { return float64(ms.LastGC) / 1e9 },
valType: GaugeValue,
}, {
desc: NewDesc(
memstatNamespace("gc_cpu_fraction"),
"The fraction of this program's available CPU time used by the GC since the program started.",
nil, nil,
),
eval: func(ms *runtime.MemStats) float64 { return ms.GCCPUFraction },
valType: GaugeValue,
},
},
}
}
func memstatNamespace(s string) string {
return "go_memstats_" + s
}
// Describe returns all descriptions of the collector.
func (c *goCollector) Describe(ch chan<- *Desc) {
func (c *baseGoCollector) Describe(ch chan<- *Desc) {
ch <- c.goroutinesDesc
ch <- c.threadsDesc
ch <- c.gcDesc
ch <- c.gcLastTimeDesc
ch <- c.goInfoDesc
for _, i := range c.msMetrics {
ch <- i.desc
}
}
// Collect returns the current state of all metrics of the collector.
func (c *goCollector) Collect(ch chan<- Metric) {
var (
ms = &runtime.MemStats{}
done = make(chan struct{})
)
// Start reading memstats first as it might take a while.
go func() {
c.msRead(ms)
c.msMtx.Lock()
c.msLast = ms
c.msLastTimestamp = time.Now()
c.msMtx.Unlock()
close(done)
}()
func (c *baseGoCollector) Collect(ch chan<- Metric) {
ch <- MustNewConstMetric(c.goroutinesDesc, GaugeValue, float64(runtime.NumGoroutine()))
n, _ := runtime.ThreadCreateProfile(nil)
ch <- MustNewConstMetric(c.threadsDesc, GaugeValue, float64(n))
n := getRuntimeNumThreads()
ch <- MustNewConstMetric(c.threadsDesc, GaugeValue, n)
var stats debug.GCStats
stats.PauseQuantiles = make([]time.Duration, 5)
@ -305,63 +264,18 @@ func (c *goCollector) Collect(ch chan<- Metric) {
}
quantiles[0.0] = stats.PauseQuantiles[0].Seconds()
ch <- MustNewConstSummary(c.gcDesc, uint64(stats.NumGC), stats.PauseTotal.Seconds(), quantiles)
ch <- MustNewConstMetric(c.gcLastTimeDesc, GaugeValue, float64(stats.LastGC.UnixNano())/1e9)
ch <- MustNewConstMetric(c.goInfoDesc, GaugeValue, 1)
timer := time.NewTimer(c.msMaxWait)
select {
case <-done: // Our own ReadMemStats succeeded in time. Use it.
timer.Stop() // Important for high collection frequencies to not pile up timers.
c.msCollect(ch, ms)
return
case <-timer.C: // Time out, use last memstats if possible. Continue below.
}
c.msMtx.Lock()
if time.Since(c.msLastTimestamp) < c.msMaxAge {
// Last memstats are recent enough. Collect from them under the lock.
c.msCollect(ch, c.msLast)
c.msMtx.Unlock()
return
}
// If we are here, the last memstats are too old or don't exist. We have
// to wait until our own ReadMemStats finally completes. For that to
// happen, we have to release the lock.
c.msMtx.Unlock()
<-done
c.msCollect(ch, ms)
}
func (c *goCollector) msCollect(ch chan<- Metric, ms *runtime.MemStats) {
for _, i := range c.msMetrics {
ch <- MustNewConstMetric(i.desc, i.valType, i.eval(ms))
}
func memstatNamespace(s string) string {
return "go_memstats_" + s
}
// memStatsMetrics provide description, value, and value type for memstat metrics.
// memStatsMetrics provide description, evaluator, runtime/metrics name, and
// value type for memstat metrics.
type memStatsMetrics []struct {
desc *Desc
eval func(*runtime.MemStats) float64
valType ValueType
}
// NewBuildInfoCollector is the obsolete version of collectors.NewBuildInfoCollector.
// See there for documentation.
//
// Deprecated: Use collectors.NewBuildInfoCollector instead.
func NewBuildInfoCollector() Collector {
path, version, sum := "unknown", "unknown", "unknown"
if bi, ok := debug.ReadBuildInfo(); ok {
path = bi.Main.Path
version = bi.Main.Version
sum = bi.Main.Sum
}
c := &selfCollector{MustNewConstMetric(
NewDesc(
"go_build_info",
"Build information about the main Go module.",
nil, Labels{"path": path, "version": version, "checksum": sum},
),
GaugeValue, 1)}
c.init(c.self)
return c
}

View File

@ -0,0 +1,122 @@
// Copyright 2021 The Prometheus 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.
//go:build !go1.17
// +build !go1.17
package prometheus
import (
"runtime"
"sync"
"time"
)
type goCollector struct {
base baseGoCollector
// ms... are memstats related.
msLast *runtime.MemStats // Previously collected memstats.
msLastTimestamp time.Time
msMtx sync.Mutex // Protects msLast and msLastTimestamp.
msMetrics memStatsMetrics
msRead func(*runtime.MemStats) // For mocking in tests.
msMaxWait time.Duration // Wait time for fresh memstats.
msMaxAge time.Duration // Maximum allowed age of old memstats.
}
// NewGoCollector is the obsolete version of collectors.NewGoCollector.
// See there for documentation.
//
// Deprecated: Use collectors.NewGoCollector instead.
func NewGoCollector() Collector {
msMetrics := goRuntimeMemStats()
msMetrics = append(msMetrics, struct {
desc *Desc
eval func(*runtime.MemStats) float64
valType ValueType
}{
// This metric is omitted in Go1.17+, see https://github.com/prometheus/client_golang/issues/842#issuecomment-861812034
desc: NewDesc(
memstatNamespace("gc_cpu_fraction"),
"The fraction of this program's available CPU time used by the GC since the program started.",
nil, nil,
),
eval: func(ms *runtime.MemStats) float64 { return ms.GCCPUFraction },
valType: GaugeValue,
})
return &goCollector{
base: newBaseGoCollector(),
msLast: &runtime.MemStats{},
msRead: runtime.ReadMemStats,
msMaxWait: time.Second,
msMaxAge: 5 * time.Minute,
msMetrics: msMetrics,
}
}
// Describe returns all descriptions of the collector.
func (c *goCollector) Describe(ch chan<- *Desc) {
c.base.Describe(ch)
for _, i := range c.msMetrics {
ch <- i.desc
}
}
// Collect returns the current state of all metrics of the collector.
func (c *goCollector) Collect(ch chan<- Metric) {
var (
ms = &runtime.MemStats{}
done = make(chan struct{})
)
// Start reading memstats first as it might take a while.
go func() {
c.msRead(ms)
c.msMtx.Lock()
c.msLast = ms
c.msLastTimestamp = time.Now()
c.msMtx.Unlock()
close(done)
}()
// Collect base non-memory metrics.
c.base.Collect(ch)
timer := time.NewTimer(c.msMaxWait)
select {
case <-done: // Our own ReadMemStats succeeded in time. Use it.
timer.Stop() // Important for high collection frequencies to not pile up timers.
c.msCollect(ch, ms)
return
case <-timer.C: // Time out, use last memstats if possible. Continue below.
}
c.msMtx.Lock()
if time.Since(c.msLastTimestamp) < c.msMaxAge {
// Last memstats are recent enough. Collect from them under the lock.
c.msCollect(ch, c.msLast)
c.msMtx.Unlock()
return
}
// If we are here, the last memstats are too old or don't exist. We have
// to wait until our own ReadMemStats finally completes. For that to
// happen, we have to release the lock.
c.msMtx.Unlock()
<-done
c.msCollect(ch, ms)
}
func (c *goCollector) msCollect(ch chan<- Metric, ms *runtime.MemStats) {
for _, i := range c.msMetrics {
ch <- MustNewConstMetric(i.desc, i.valType, i.eval(ms))
}
}

View File

@ -0,0 +1,568 @@
// Copyright 2021 The Prometheus 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.
//go:build go1.17
// +build go1.17
package prometheus
import (
"math"
"runtime"
"runtime/metrics"
"strings"
"sync"
//nolint:staticcheck // Ignore SA1019. Need to keep deprecated package for compatibility.
"github.com/golang/protobuf/proto"
dto "github.com/prometheus/client_model/go"
"github.com/prometheus/client_golang/prometheus/internal"
)
const (
// constants for strings referenced more than once.
goGCHeapTinyAllocsObjects = "/gc/heap/tiny/allocs:objects"
goGCHeapAllocsObjects = "/gc/heap/allocs:objects"
goGCHeapFreesObjects = "/gc/heap/frees:objects"
goGCHeapFreesBytes = "/gc/heap/frees:bytes"
goGCHeapAllocsBytes = "/gc/heap/allocs:bytes"
goGCHeapObjects = "/gc/heap/objects:objects"
goGCHeapGoalBytes = "/gc/heap/goal:bytes"
goMemoryClassesTotalBytes = "/memory/classes/total:bytes"
goMemoryClassesHeapObjectsBytes = "/memory/classes/heap/objects:bytes"
goMemoryClassesHeapUnusedBytes = "/memory/classes/heap/unused:bytes"
goMemoryClassesHeapReleasedBytes = "/memory/classes/heap/released:bytes"
goMemoryClassesHeapFreeBytes = "/memory/classes/heap/free:bytes"
goMemoryClassesHeapStacksBytes = "/memory/classes/heap/stacks:bytes"
goMemoryClassesOSStacksBytes = "/memory/classes/os-stacks:bytes"
goMemoryClassesMetadataMSpanInuseBytes = "/memory/classes/metadata/mspan/inuse:bytes"
goMemoryClassesMetadataMSPanFreeBytes = "/memory/classes/metadata/mspan/free:bytes"
goMemoryClassesMetadataMCacheInuseBytes = "/memory/classes/metadata/mcache/inuse:bytes"
goMemoryClassesMetadataMCacheFreeBytes = "/memory/classes/metadata/mcache/free:bytes"
goMemoryClassesProfilingBucketsBytes = "/memory/classes/profiling/buckets:bytes"
goMemoryClassesMetadataOtherBytes = "/memory/classes/metadata/other:bytes"
goMemoryClassesOtherBytes = "/memory/classes/other:bytes"
)
// rmNamesForMemStatsMetrics represents runtime/metrics names required to populate goRuntimeMemStats from like logic.
var rmNamesForMemStatsMetrics = []string{
goGCHeapTinyAllocsObjects,
goGCHeapAllocsObjects,
goGCHeapFreesObjects,
goGCHeapAllocsBytes,
goGCHeapObjects,
goGCHeapGoalBytes,
goMemoryClassesTotalBytes,
goMemoryClassesHeapObjectsBytes,
goMemoryClassesHeapUnusedBytes,
goMemoryClassesHeapReleasedBytes,
goMemoryClassesHeapFreeBytes,
goMemoryClassesHeapStacksBytes,
goMemoryClassesOSStacksBytes,
goMemoryClassesMetadataMSpanInuseBytes,
goMemoryClassesMetadataMSPanFreeBytes,
goMemoryClassesMetadataMCacheInuseBytes,
goMemoryClassesMetadataMCacheFreeBytes,
goMemoryClassesProfilingBucketsBytes,
goMemoryClassesMetadataOtherBytes,
goMemoryClassesOtherBytes,
}
func bestEffortLookupRM(lookup []string) []metrics.Description {
ret := make([]metrics.Description, 0, len(lookup))
for _, rm := range metrics.All() {
for _, m := range lookup {
if m == rm.Name {
ret = append(ret, rm)
}
}
}
return ret
}
type goCollector struct {
base baseGoCollector
// mu protects updates to all fields ensuring a consistent
// snapshot is always produced by Collect.
mu sync.Mutex
// Contains all samples that has to retrieved from runtime/metrics (not all of them will be exposed).
sampleBuf []metrics.Sample
// sampleMap allows lookup for MemStats metrics and runtime/metrics histograms for exact sums.
sampleMap map[string]*metrics.Sample
// rmExposedMetrics represents all runtime/metrics package metrics
// that were configured to be exposed.
rmExposedMetrics []collectorMetric
rmExactSumMapForHist map[string]string
// With Go 1.17, the runtime/metrics package was introduced.
// From that point on, metric names produced by the runtime/metrics
// package could be generated from runtime/metrics names. However,
// these differ from the old names for the same values.
//
// This field exists to export the same values under the old names
// as well.
msMetrics memStatsMetrics
msMetricsEnabled bool
}
type rmMetricDesc struct {
metrics.Description
}
func matchRuntimeMetricsRules(rules []internal.GoCollectorRule) []rmMetricDesc {
var descs []rmMetricDesc
for _, d := range metrics.All() {
var (
deny = true
desc rmMetricDesc
)
for _, r := range rules {
if !r.Matcher.MatchString(d.Name) {
continue
}
deny = r.Deny
}
if deny {
continue
}
desc.Description = d
descs = append(descs, desc)
}
return descs
}
func defaultGoCollectorOptions() internal.GoCollectorOptions {
return internal.GoCollectorOptions{
RuntimeMetricSumForHist: map[string]string{
"/gc/heap/allocs-by-size:bytes": goGCHeapAllocsBytes,
"/gc/heap/frees-by-size:bytes": goGCHeapFreesBytes,
},
RuntimeMetricRules: []internal.GoCollectorRule{
//{Matcher: regexp.MustCompile("")},
},
}
}
// NewGoCollector is the obsolete version of collectors.NewGoCollector.
// See there for documentation.
//
// Deprecated: Use collectors.NewGoCollector instead.
func NewGoCollector(opts ...func(o *internal.GoCollectorOptions)) Collector {
opt := defaultGoCollectorOptions()
for _, o := range opts {
o(&opt)
}
exposedDescriptions := matchRuntimeMetricsRules(opt.RuntimeMetricRules)
// Collect all histogram samples so that we can get their buckets.
// The API guarantees that the buckets are always fixed for the lifetime
// of the process.
var histograms []metrics.Sample
for _, d := range exposedDescriptions {
if d.Kind == metrics.KindFloat64Histogram {
histograms = append(histograms, metrics.Sample{Name: d.Name})
}
}
if len(histograms) > 0 {
metrics.Read(histograms)
}
bucketsMap := make(map[string][]float64)
for i := range histograms {
bucketsMap[histograms[i].Name] = histograms[i].Value.Float64Histogram().Buckets
}
// Generate a collector for each exposed runtime/metrics metric.
metricSet := make([]collectorMetric, 0, len(exposedDescriptions))
// SampleBuf is used for reading from runtime/metrics.
// We are assuming the largest case to have stable pointers for sampleMap purposes.
sampleBuf := make([]metrics.Sample, 0, len(exposedDescriptions)+len(opt.RuntimeMetricSumForHist)+len(rmNamesForMemStatsMetrics))
sampleMap := make(map[string]*metrics.Sample, len(exposedDescriptions))
for _, d := range exposedDescriptions {
namespace, subsystem, name, ok := internal.RuntimeMetricsToProm(&d.Description)
if !ok {
// Just ignore this metric; we can't do anything with it here.
// If a user decides to use the latest version of Go, we don't want
// to fail here. This condition is tested in TestExpectedRuntimeMetrics.
continue
}
sampleBuf = append(sampleBuf, metrics.Sample{Name: d.Name})
sampleMap[d.Name] = &sampleBuf[len(sampleBuf)-1]
var m collectorMetric
if d.Kind == metrics.KindFloat64Histogram {
_, hasSum := opt.RuntimeMetricSumForHist[d.Name]
unit := d.Name[strings.IndexRune(d.Name, ':')+1:]
m = newBatchHistogram(
NewDesc(
BuildFQName(namespace, subsystem, name),
d.Description.Description,
nil,
nil,
),
internal.RuntimeMetricsBucketsForUnit(bucketsMap[d.Name], unit),
hasSum,
)
} else if d.Cumulative {
m = NewCounter(CounterOpts{
Namespace: namespace,
Subsystem: subsystem,
Name: name,
Help: d.Description.Description,
},
)
} else {
m = NewGauge(GaugeOpts{
Namespace: namespace,
Subsystem: subsystem,
Name: name,
Help: d.Description.Description,
})
}
metricSet = append(metricSet, m)
}
// Add exact sum metrics to sampleBuf if not added before.
for _, h := range histograms {
sumMetric, ok := opt.RuntimeMetricSumForHist[h.Name]
if !ok {
continue
}
if _, ok := sampleMap[sumMetric]; ok {
continue
}
sampleBuf = append(sampleBuf, metrics.Sample{Name: sumMetric})
sampleMap[sumMetric] = &sampleBuf[len(sampleBuf)-1]
}
var (
msMetrics memStatsMetrics
msDescriptions []metrics.Description
)
if !opt.DisableMemStatsLikeMetrics {
msMetrics = goRuntimeMemStats()
msDescriptions = bestEffortLookupRM(rmNamesForMemStatsMetrics)
// Check if metric was not exposed before and if not, add to sampleBuf.
for _, mdDesc := range msDescriptions {
if _, ok := sampleMap[mdDesc.Name]; ok {
continue
}
sampleBuf = append(sampleBuf, metrics.Sample{Name: mdDesc.Name})
sampleMap[mdDesc.Name] = &sampleBuf[len(sampleBuf)-1]
}
}
return &goCollector{
base: newBaseGoCollector(),
sampleBuf: sampleBuf,
sampleMap: sampleMap,
rmExposedMetrics: metricSet,
rmExactSumMapForHist: opt.RuntimeMetricSumForHist,
msMetrics: msMetrics,
msMetricsEnabled: !opt.DisableMemStatsLikeMetrics,
}
}
// Describe returns all descriptions of the collector.
func (c *goCollector) Describe(ch chan<- *Desc) {
c.base.Describe(ch)
for _, i := range c.msMetrics {
ch <- i.desc
}
for _, m := range c.rmExposedMetrics {
ch <- m.Desc()
}
}
// Collect returns the current state of all metrics of the collector.
func (c *goCollector) Collect(ch chan<- Metric) {
// Collect base non-memory metrics.
c.base.Collect(ch)
if len(c.sampleBuf) == 0 {
return
}
// Collect must be thread-safe, so prevent concurrent use of
// sampleBuf elements. Just read into sampleBuf but write all the data
// we get into our Metrics or MemStats.
//
// This lock also ensures that the Metrics we send out are all from
// the same updates, ensuring their mutual consistency insofar as
// is guaranteed by the runtime/metrics package.
//
// N.B. This locking is heavy-handed, but Collect is expected to be called
// relatively infrequently. Also the core operation here, metrics.Read,
// is fast (O(tens of microseconds)) so contention should certainly be
// low, though channel operations and any allocations may add to that.
c.mu.Lock()
defer c.mu.Unlock()
// Populate runtime/metrics sample buffer.
metrics.Read(c.sampleBuf)
// Collect all our runtime/metrics user chose to expose from sampleBuf (if any).
for i, metric := range c.rmExposedMetrics {
// We created samples for exposed metrics first in order, so indexes match.
sample := c.sampleBuf[i]
// N.B. switch on concrete type because it's significantly more efficient
// than checking for the Counter and Gauge interface implementations. In
// this case, we control all the types here.
switch m := metric.(type) {
case *counter:
// Guard against decreases. This should never happen, but a failure
// to do so will result in a panic, which is a harsh consequence for
// a metrics collection bug.
v0, v1 := m.get(), unwrapScalarRMValue(sample.Value)
if v1 > v0 {
m.Add(unwrapScalarRMValue(sample.Value) - m.get())
}
m.Collect(ch)
case *gauge:
m.Set(unwrapScalarRMValue(sample.Value))
m.Collect(ch)
case *batchHistogram:
m.update(sample.Value.Float64Histogram(), c.exactSumFor(sample.Name))
m.Collect(ch)
default:
panic("unexpected metric type")
}
}
if c.msMetricsEnabled {
// ms is a dummy MemStats that we populate ourselves so that we can
// populate the old metrics from it if goMemStatsCollection is enabled.
var ms runtime.MemStats
memStatsFromRM(&ms, c.sampleMap)
for _, i := range c.msMetrics {
ch <- MustNewConstMetric(i.desc, i.valType, i.eval(&ms))
}
}
}
// unwrapScalarRMValue unwraps a runtime/metrics value that is assumed
// to be scalar and returns the equivalent float64 value. Panics if the
// value is not scalar.
func unwrapScalarRMValue(v metrics.Value) float64 {
switch v.Kind() {
case metrics.KindUint64:
return float64(v.Uint64())
case metrics.KindFloat64:
return v.Float64()
case metrics.KindBad:
// Unsupported metric.
//
// This should never happen because we always populate our metric
// set from the runtime/metrics package.
panic("unexpected unsupported metric")
default:
// Unsupported metric kind.
//
// This should never happen because we check for this during initialization
// and flag and filter metrics whose kinds we don't understand.
panic("unexpected unsupported metric kind")
}
}
// exactSumFor takes a runtime/metrics metric name (that is assumed to
// be of kind KindFloat64Histogram) and returns its exact sum and whether
// its exact sum exists.
//
// The runtime/metrics API for histograms doesn't currently expose exact
// sums, but some of the other metrics are in fact exact sums of histograms.
func (c *goCollector) exactSumFor(rmName string) float64 {
sumName, ok := c.rmExactSumMapForHist[rmName]
if !ok {
return 0
}
s, ok := c.sampleMap[sumName]
if !ok {
return 0
}
return unwrapScalarRMValue(s.Value)
}
func memStatsFromRM(ms *runtime.MemStats, rm map[string]*metrics.Sample) {
lookupOrZero := func(name string) uint64 {
if s, ok := rm[name]; ok {
return s.Value.Uint64()
}
return 0
}
// Currently, MemStats adds tiny alloc count to both Mallocs AND Frees.
// The reason for this is because MemStats couldn't be extended at the time
// but there was a desire to have Mallocs at least be a little more representative,
// while having Mallocs - Frees still represent a live object count.
// Unfortunately, MemStats doesn't actually export a large allocation count,
// so it's impossible to pull this number out directly.
tinyAllocs := lookupOrZero(goGCHeapTinyAllocsObjects)
ms.Mallocs = lookupOrZero(goGCHeapAllocsObjects) + tinyAllocs
ms.Frees = lookupOrZero(goGCHeapFreesObjects) + tinyAllocs
ms.TotalAlloc = lookupOrZero(goGCHeapAllocsBytes)
ms.Sys = lookupOrZero(goMemoryClassesTotalBytes)
ms.Lookups = 0 // Already always zero.
ms.HeapAlloc = lookupOrZero(goMemoryClassesHeapObjectsBytes)
ms.Alloc = ms.HeapAlloc
ms.HeapInuse = ms.HeapAlloc + lookupOrZero(goMemoryClassesHeapUnusedBytes)
ms.HeapReleased = lookupOrZero(goMemoryClassesHeapReleasedBytes)
ms.HeapIdle = ms.HeapReleased + lookupOrZero(goMemoryClassesHeapFreeBytes)
ms.HeapSys = ms.HeapInuse + ms.HeapIdle
ms.HeapObjects = lookupOrZero(goGCHeapObjects)
ms.StackInuse = lookupOrZero(goMemoryClassesHeapStacksBytes)
ms.StackSys = ms.StackInuse + lookupOrZero(goMemoryClassesOSStacksBytes)
ms.MSpanInuse = lookupOrZero(goMemoryClassesMetadataMSpanInuseBytes)
ms.MSpanSys = ms.MSpanInuse + lookupOrZero(goMemoryClassesMetadataMSPanFreeBytes)
ms.MCacheInuse = lookupOrZero(goMemoryClassesMetadataMCacheInuseBytes)
ms.MCacheSys = ms.MCacheInuse + lookupOrZero(goMemoryClassesMetadataMCacheFreeBytes)
ms.BuckHashSys = lookupOrZero(goMemoryClassesProfilingBucketsBytes)
ms.GCSys = lookupOrZero(goMemoryClassesMetadataOtherBytes)
ms.OtherSys = lookupOrZero(goMemoryClassesOtherBytes)
ms.NextGC = lookupOrZero(goGCHeapGoalBytes)
// N.B. GCCPUFraction is intentionally omitted. This metric is not useful,
// and often misleading due to the fact that it's an average over the lifetime
// of the process.
// See https://github.com/prometheus/client_golang/issues/842#issuecomment-861812034
// for more details.
ms.GCCPUFraction = 0
}
// batchHistogram is a mutable histogram that is updated
// in batches.
type batchHistogram struct {
selfCollector
// Static fields updated only once.
desc *Desc
hasSum bool
// Because this histogram operates in batches, it just uses a
// single mutex for everything. updates are always serialized
// but Write calls may operate concurrently with updates.
// Contention between these two sources should be rare.
mu sync.Mutex
buckets []float64 // Inclusive lower bounds, like runtime/metrics.
counts []uint64
sum float64 // Used if hasSum is true.
}
// newBatchHistogram creates a new batch histogram value with the given
// Desc, buckets, and whether or not it has an exact sum available.
//
// buckets must always be from the runtime/metrics package, following
// the same conventions.
func newBatchHistogram(desc *Desc, buckets []float64, hasSum bool) *batchHistogram {
// We need to remove -Inf values. runtime/metrics keeps them around.
// But -Inf bucket should not be allowed for prometheus histograms.
if buckets[0] == math.Inf(-1) {
buckets = buckets[1:]
}
h := &batchHistogram{
desc: desc,
buckets: buckets,
// Because buckets follows runtime/metrics conventions, there's
// 1 more value in the buckets list than there are buckets represented,
// because in runtime/metrics, the bucket values represent *boundaries*,
// and non-Inf boundaries are inclusive lower bounds for that bucket.
counts: make([]uint64, len(buckets)-1),
hasSum: hasSum,
}
h.init(h)
return h
}
// update updates the batchHistogram from a runtime/metrics histogram.
//
// sum must be provided if the batchHistogram was created to have an exact sum.
// h.buckets must be a strict subset of his.Buckets.
func (h *batchHistogram) update(his *metrics.Float64Histogram, sum float64) {
counts, buckets := his.Counts, his.Buckets
h.mu.Lock()
defer h.mu.Unlock()
// Clear buckets.
for i := range h.counts {
h.counts[i] = 0
}
// Copy and reduce buckets.
var j int
for i, count := range counts {
h.counts[j] += count
if buckets[i+1] == h.buckets[j+1] {
j++
}
}
if h.hasSum {
h.sum = sum
}
}
func (h *batchHistogram) Desc() *Desc {
return h.desc
}
func (h *batchHistogram) Write(out *dto.Metric) error {
h.mu.Lock()
defer h.mu.Unlock()
sum := float64(0)
if h.hasSum {
sum = h.sum
}
dtoBuckets := make([]*dto.Bucket, 0, len(h.counts))
totalCount := uint64(0)
for i, count := range h.counts {
totalCount += count
if !h.hasSum {
if count != 0 {
// N.B. This computed sum is an underestimate.
sum += h.buckets[i] * float64(count)
}
}
// Skip the +Inf bucket, but only for the bucket list.
// It must still count for sum and totalCount.
if math.IsInf(h.buckets[i+1], 1) {
break
}
// Float64Histogram's upper bound is exclusive, so make it inclusive
// by obtaining the next float64 value down, in order.
upperBound := math.Nextafter(h.buckets[i+1], h.buckets[i])
dtoBuckets = append(dtoBuckets, &dto.Bucket{
CumulativeCount: proto.Uint64(totalCount),
UpperBound: proto.Float64(upperBound),
})
}
out.Histogram = &dto.Histogram{
Bucket: dtoBuckets,
SampleCount: proto.Uint64(totalCount),
SampleSum: proto.Float64(sum),
}
return nil
}

View File

@ -116,6 +116,34 @@ func ExponentialBuckets(start, factor float64, count int) []float64 {
return buckets
}
// ExponentialBucketsRange creates 'count' buckets, where the lowest bucket is
// 'min' and the highest bucket is 'max'. The final +Inf bucket is not counted
// and not included in the returned slice. The returned slice is meant to be
// used for the Buckets field of HistogramOpts.
//
// The function panics if 'count' is 0 or negative, if 'min' is 0 or negative.
func ExponentialBucketsRange(min, max float64, count int) []float64 {
if count < 1 {
panic("ExponentialBucketsRange count needs a positive count")
}
if min <= 0 {
panic("ExponentialBucketsRange min needs to be greater than 0")
}
// Formula for exponential buckets.
// max = min*growthFactor^(bucketCount-1)
// We know max/min and highest bucket. Solve for growthFactor.
growthFactor := math.Pow(max/min, 1.0/float64(count-1))
// Now that we know growthFactor, solve for each bucket.
buckets := make([]float64, count)
for i := 1; i <= count; i++ {
buckets[i-1] = min * math.Pow(growthFactor, float64(i-1))
}
return buckets
}
// HistogramOpts bundles the options for creating a Histogram metric. It is
// mandatory to set Name to a non-empty string. All other fields are optional
// and can safely be left at their zero value, although it is strongly
@ -553,11 +581,11 @@ func (h *constHistogram) Desc() *Desc {
func (h *constHistogram) Write(out *dto.Metric) error {
his := &dto.Histogram{}
buckets := make([]*dto.Bucket, 0, len(h.buckets))
his.SampleCount = proto.Uint64(h.count)
his.SampleSum = proto.Float64(h.sum)
for upperBound, count := range h.buckets {
buckets = append(buckets, &dto.Bucket{
CumulativeCount: proto.Uint64(count),

View File

@ -0,0 +1,651 @@
// Copyright 2022 The Prometheus 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.
//
// It provides tools to compare sequences of strings and generate textual diffs.
//
// Maintaining `GetUnifiedDiffString` here because original repository
// (https://github.com/pmezard/go-difflib) is no loger maintained.
package internal
import (
"bufio"
"bytes"
"fmt"
"io"
"strings"
)
func min(a, b int) int {
if a < b {
return a
}
return b
}
func max(a, b int) int {
if a > b {
return a
}
return b
}
func calculateRatio(matches, length int) float64 {
if length > 0 {
return 2.0 * float64(matches) / float64(length)
}
return 1.0
}
type Match struct {
A int
B int
Size int
}
type OpCode struct {
Tag byte
I1 int
I2 int
J1 int
J2 int
}
// SequenceMatcher compares sequence of strings. The basic
// algorithm predates, and is a little fancier than, an algorithm
// published in the late 1980's by Ratcliff and Obershelp under the
// hyperbolic name "gestalt pattern matching". The basic idea is to find
// the longest contiguous matching subsequence that contains no "junk"
// elements (R-O doesn't address junk). The same idea is then applied
// recursively to the pieces of the sequences to the left and to the right
// of the matching subsequence. This does not yield minimal edit
// sequences, but does tend to yield matches that "look right" to people.
//
// SequenceMatcher tries to compute a "human-friendly diff" between two
// sequences. Unlike e.g. UNIX(tm) diff, the fundamental notion is the
// longest *contiguous* & junk-free matching subsequence. That's what
// catches peoples' eyes. The Windows(tm) windiff has another interesting
// notion, pairing up elements that appear uniquely in each sequence.
// That, and the method here, appear to yield more intuitive difference
// reports than does diff. This method appears to be the least vulnerable
// to synching up on blocks of "junk lines", though (like blank lines in
// ordinary text files, or maybe "<P>" lines in HTML files). That may be
// because this is the only method of the 3 that has a *concept* of
// "junk" <wink>.
//
// Timing: Basic R-O is cubic time worst case and quadratic time expected
// case. SequenceMatcher is quadratic time for the worst case and has
// expected-case behavior dependent in a complicated way on how many
// elements the sequences have in common; best case time is linear.
type SequenceMatcher struct {
a []string
b []string
b2j map[string][]int
IsJunk func(string) bool
autoJunk bool
bJunk map[string]struct{}
matchingBlocks []Match
fullBCount map[string]int
bPopular map[string]struct{}
opCodes []OpCode
}
func NewMatcher(a, b []string) *SequenceMatcher {
m := SequenceMatcher{autoJunk: true}
m.SetSeqs(a, b)
return &m
}
func NewMatcherWithJunk(a, b []string, autoJunk bool,
isJunk func(string) bool,
) *SequenceMatcher {
m := SequenceMatcher{IsJunk: isJunk, autoJunk: autoJunk}
m.SetSeqs(a, b)
return &m
}
// Set two sequences to be compared.
func (m *SequenceMatcher) SetSeqs(a, b []string) {
m.SetSeq1(a)
m.SetSeq2(b)
}
// Set the first sequence to be compared. The second sequence to be compared is
// not changed.
//
// SequenceMatcher computes and caches detailed information about the second
// sequence, so if you want to compare one sequence S against many sequences,
// use .SetSeq2(s) once and call .SetSeq1(x) repeatedly for each of the other
// sequences.
//
// See also SetSeqs() and SetSeq2().
func (m *SequenceMatcher) SetSeq1(a []string) {
if &a == &m.a {
return
}
m.a = a
m.matchingBlocks = nil
m.opCodes = nil
}
// Set the second sequence to be compared. The first sequence to be compared is
// not changed.
func (m *SequenceMatcher) SetSeq2(b []string) {
if &b == &m.b {
return
}
m.b = b
m.matchingBlocks = nil
m.opCodes = nil
m.fullBCount = nil
m.chainB()
}
func (m *SequenceMatcher) chainB() {
// Populate line -> index mapping
b2j := map[string][]int{}
for i, s := range m.b {
indices := b2j[s]
indices = append(indices, i)
b2j[s] = indices
}
// Purge junk elements
m.bJunk = map[string]struct{}{}
if m.IsJunk != nil {
junk := m.bJunk
for s := range b2j {
if m.IsJunk(s) {
junk[s] = struct{}{}
}
}
for s := range junk {
delete(b2j, s)
}
}
// Purge remaining popular elements
popular := map[string]struct{}{}
n := len(m.b)
if m.autoJunk && n >= 200 {
ntest := n/100 + 1
for s, indices := range b2j {
if len(indices) > ntest {
popular[s] = struct{}{}
}
}
for s := range popular {
delete(b2j, s)
}
}
m.bPopular = popular
m.b2j = b2j
}
func (m *SequenceMatcher) isBJunk(s string) bool {
_, ok := m.bJunk[s]
return ok
}
// Find longest matching block in a[alo:ahi] and b[blo:bhi].
//
// If IsJunk is not defined:
//
// Return (i,j,k) such that a[i:i+k] is equal to b[j:j+k], where
// alo <= i <= i+k <= ahi
// blo <= j <= j+k <= bhi
// and for all (i',j',k') meeting those conditions,
// k >= k'
// i <= i'
// and if i == i', j <= j'
//
// In other words, of all maximal matching blocks, return one that
// starts earliest in a, and of all those maximal matching blocks that
// start earliest in a, return the one that starts earliest in b.
//
// If IsJunk is defined, first the longest matching block is
// determined as above, but with the additional restriction that no
// junk element appears in the block. Then that block is extended as
// far as possible by matching (only) junk elements on both sides. So
// the resulting block never matches on junk except as identical junk
// happens to be adjacent to an "interesting" match.
//
// If no blocks match, return (alo, blo, 0).
func (m *SequenceMatcher) findLongestMatch(alo, ahi, blo, bhi int) Match {
// CAUTION: stripping common prefix or suffix would be incorrect.
// E.g.,
// ab
// acab
// Longest matching block is "ab", but if common prefix is
// stripped, it's "a" (tied with "b"). UNIX(tm) diff does so
// strip, so ends up claiming that ab is changed to acab by
// inserting "ca" in the middle. That's minimal but unintuitive:
// "it's obvious" that someone inserted "ac" at the front.
// Windiff ends up at the same place as diff, but by pairing up
// the unique 'b's and then matching the first two 'a's.
besti, bestj, bestsize := alo, blo, 0
// find longest junk-free match
// during an iteration of the loop, j2len[j] = length of longest
// junk-free match ending with a[i-1] and b[j]
j2len := map[int]int{}
for i := alo; i != ahi; i++ {
// look at all instances of a[i] in b; note that because
// b2j has no junk keys, the loop is skipped if a[i] is junk
newj2len := map[int]int{}
for _, j := range m.b2j[m.a[i]] {
// a[i] matches b[j]
if j < blo {
continue
}
if j >= bhi {
break
}
k := j2len[j-1] + 1
newj2len[j] = k
if k > bestsize {
besti, bestj, bestsize = i-k+1, j-k+1, k
}
}
j2len = newj2len
}
// Extend the best by non-junk elements on each end. In particular,
// "popular" non-junk elements aren't in b2j, which greatly speeds
// the inner loop above, but also means "the best" match so far
// doesn't contain any junk *or* popular non-junk elements.
for besti > alo && bestj > blo && !m.isBJunk(m.b[bestj-1]) &&
m.a[besti-1] == m.b[bestj-1] {
besti, bestj, bestsize = besti-1, bestj-1, bestsize+1
}
for besti+bestsize < ahi && bestj+bestsize < bhi &&
!m.isBJunk(m.b[bestj+bestsize]) &&
m.a[besti+bestsize] == m.b[bestj+bestsize] {
bestsize++
}
// Now that we have a wholly interesting match (albeit possibly
// empty!), we may as well suck up the matching junk on each
// side of it too. Can't think of a good reason not to, and it
// saves post-processing the (possibly considerable) expense of
// figuring out what to do with it. In the case of an empty
// interesting match, this is clearly the right thing to do,
// because no other kind of match is possible in the regions.
for besti > alo && bestj > blo && m.isBJunk(m.b[bestj-1]) &&
m.a[besti-1] == m.b[bestj-1] {
besti, bestj, bestsize = besti-1, bestj-1, bestsize+1
}
for besti+bestsize < ahi && bestj+bestsize < bhi &&
m.isBJunk(m.b[bestj+bestsize]) &&
m.a[besti+bestsize] == m.b[bestj+bestsize] {
bestsize++
}
return Match{A: besti, B: bestj, Size: bestsize}
}
// Return list of triples describing matching subsequences.
//
// Each triple is of the form (i, j, n), and means that
// a[i:i+n] == b[j:j+n]. The triples are monotonically increasing in
// i and in j. It's also guaranteed that if (i, j, n) and (i', j', n') are
// adjacent triples in the list, and the second is not the last triple in the
// list, then i+n != i' or j+n != j'. IOW, adjacent triples never describe
// adjacent equal blocks.
//
// The last triple is a dummy, (len(a), len(b), 0), and is the only
// triple with n==0.
func (m *SequenceMatcher) GetMatchingBlocks() []Match {
if m.matchingBlocks != nil {
return m.matchingBlocks
}
var matchBlocks func(alo, ahi, blo, bhi int, matched []Match) []Match
matchBlocks = func(alo, ahi, blo, bhi int, matched []Match) []Match {
match := m.findLongestMatch(alo, ahi, blo, bhi)
i, j, k := match.A, match.B, match.Size
if match.Size > 0 {
if alo < i && blo < j {
matched = matchBlocks(alo, i, blo, j, matched)
}
matched = append(matched, match)
if i+k < ahi && j+k < bhi {
matched = matchBlocks(i+k, ahi, j+k, bhi, matched)
}
}
return matched
}
matched := matchBlocks(0, len(m.a), 0, len(m.b), nil)
// It's possible that we have adjacent equal blocks in the
// matching_blocks list now.
nonAdjacent := []Match{}
i1, j1, k1 := 0, 0, 0
for _, b := range matched {
// Is this block adjacent to i1, j1, k1?
i2, j2, k2 := b.A, b.B, b.Size
if i1+k1 == i2 && j1+k1 == j2 {
// Yes, so collapse them -- this just increases the length of
// the first block by the length of the second, and the first
// block so lengthened remains the block to compare against.
k1 += k2
} else {
// Not adjacent. Remember the first block (k1==0 means it's
// the dummy we started with), and make the second block the
// new block to compare against.
if k1 > 0 {
nonAdjacent = append(nonAdjacent, Match{i1, j1, k1})
}
i1, j1, k1 = i2, j2, k2
}
}
if k1 > 0 {
nonAdjacent = append(nonAdjacent, Match{i1, j1, k1})
}
nonAdjacent = append(nonAdjacent, Match{len(m.a), len(m.b), 0})
m.matchingBlocks = nonAdjacent
return m.matchingBlocks
}
// Return list of 5-tuples describing how to turn a into b.
//
// Each tuple is of the form (tag, i1, i2, j1, j2). The first tuple
// has i1 == j1 == 0, and remaining tuples have i1 == the i2 from the
// tuple preceding it, and likewise for j1 == the previous j2.
//
// The tags are characters, with these meanings:
//
// 'r' (replace): a[i1:i2] should be replaced by b[j1:j2]
//
// 'd' (delete): a[i1:i2] should be deleted, j1==j2 in this case.
//
// 'i' (insert): b[j1:j2] should be inserted at a[i1:i1], i1==i2 in this case.
//
// 'e' (equal): a[i1:i2] == b[j1:j2]
func (m *SequenceMatcher) GetOpCodes() []OpCode {
if m.opCodes != nil {
return m.opCodes
}
i, j := 0, 0
matching := m.GetMatchingBlocks()
opCodes := make([]OpCode, 0, len(matching))
for _, m := range matching {
// invariant: we've pumped out correct diffs to change
// a[:i] into b[:j], and the next matching block is
// a[ai:ai+size] == b[bj:bj+size]. So we need to pump
// out a diff to change a[i:ai] into b[j:bj], pump out
// the matching block, and move (i,j) beyond the match
ai, bj, size := m.A, m.B, m.Size
tag := byte(0)
if i < ai && j < bj {
tag = 'r'
} else if i < ai {
tag = 'd'
} else if j < bj {
tag = 'i'
}
if tag > 0 {
opCodes = append(opCodes, OpCode{tag, i, ai, j, bj})
}
i, j = ai+size, bj+size
// the list of matching blocks is terminated by a
// sentinel with size 0
if size > 0 {
opCodes = append(opCodes, OpCode{'e', ai, i, bj, j})
}
}
m.opCodes = opCodes
return m.opCodes
}
// Isolate change clusters by eliminating ranges with no changes.
//
// Return a generator of groups with up to n lines of context.
// Each group is in the same format as returned by GetOpCodes().
func (m *SequenceMatcher) GetGroupedOpCodes(n int) [][]OpCode {
if n < 0 {
n = 3
}
codes := m.GetOpCodes()
if len(codes) == 0 {
codes = []OpCode{{'e', 0, 1, 0, 1}}
}
// Fixup leading and trailing groups if they show no changes.
if codes[0].Tag == 'e' {
c := codes[0]
i1, i2, j1, j2 := c.I1, c.I2, c.J1, c.J2
codes[0] = OpCode{c.Tag, max(i1, i2-n), i2, max(j1, j2-n), j2}
}
if codes[len(codes)-1].Tag == 'e' {
c := codes[len(codes)-1]
i1, i2, j1, j2 := c.I1, c.I2, c.J1, c.J2
codes[len(codes)-1] = OpCode{c.Tag, i1, min(i2, i1+n), j1, min(j2, j1+n)}
}
nn := n + n
groups := [][]OpCode{}
group := []OpCode{}
for _, c := range codes {
i1, i2, j1, j2 := c.I1, c.I2, c.J1, c.J2
// End the current group and start a new one whenever
// there is a large range with no changes.
if c.Tag == 'e' && i2-i1 > nn {
group = append(group, OpCode{
c.Tag, i1, min(i2, i1+n),
j1, min(j2, j1+n),
})
groups = append(groups, group)
group = []OpCode{}
i1, j1 = max(i1, i2-n), max(j1, j2-n)
}
group = append(group, OpCode{c.Tag, i1, i2, j1, j2})
}
if len(group) > 0 && !(len(group) == 1 && group[0].Tag == 'e') {
groups = append(groups, group)
}
return groups
}
// Return a measure of the sequences' similarity (float in [0,1]).
//
// Where T is the total number of elements in both sequences, and
// M is the number of matches, this is 2.0*M / T.
// Note that this is 1 if the sequences are identical, and 0 if
// they have nothing in common.
//
// .Ratio() is expensive to compute if you haven't already computed
// .GetMatchingBlocks() or .GetOpCodes(), in which case you may
// want to try .QuickRatio() or .RealQuickRation() first to get an
// upper bound.
func (m *SequenceMatcher) Ratio() float64 {
matches := 0
for _, m := range m.GetMatchingBlocks() {
matches += m.Size
}
return calculateRatio(matches, len(m.a)+len(m.b))
}
// Return an upper bound on ratio() relatively quickly.
//
// This isn't defined beyond that it is an upper bound on .Ratio(), and
// is faster to compute.
func (m *SequenceMatcher) QuickRatio() float64 {
// viewing a and b as multisets, set matches to the cardinality
// of their intersection; this counts the number of matches
// without regard to order, so is clearly an upper bound
if m.fullBCount == nil {
m.fullBCount = map[string]int{}
for _, s := range m.b {
m.fullBCount[s]++
}
}
// avail[x] is the number of times x appears in 'b' less the
// number of times we've seen it in 'a' so far ... kinda
avail := map[string]int{}
matches := 0
for _, s := range m.a {
n, ok := avail[s]
if !ok {
n = m.fullBCount[s]
}
avail[s] = n - 1
if n > 0 {
matches++
}
}
return calculateRatio(matches, len(m.a)+len(m.b))
}
// Return an upper bound on ratio() very quickly.
//
// This isn't defined beyond that it is an upper bound on .Ratio(), and
// is faster to compute than either .Ratio() or .QuickRatio().
func (m *SequenceMatcher) RealQuickRatio() float64 {
la, lb := len(m.a), len(m.b)
return calculateRatio(min(la, lb), la+lb)
}
// Convert range to the "ed" format
func formatRangeUnified(start, stop int) string {
// Per the diff spec at http://www.unix.org/single_unix_specification/
beginning := start + 1 // lines start numbering with one
length := stop - start
if length == 1 {
return fmt.Sprintf("%d", beginning)
}
if length == 0 {
beginning-- // empty ranges begin at line just before the range
}
return fmt.Sprintf("%d,%d", beginning, length)
}
// Unified diff parameters
type UnifiedDiff struct {
A []string // First sequence lines
FromFile string // First file name
FromDate string // First file time
B []string // Second sequence lines
ToFile string // Second file name
ToDate string // Second file time
Eol string // Headers end of line, defaults to LF
Context int // Number of context lines
}
// Compare two sequences of lines; generate the delta as a unified diff.
//
// Unified diffs are a compact way of showing line changes and a few
// lines of context. The number of context lines is set by 'n' which
// defaults to three.
//
// By default, the diff control lines (those with ---, +++, or @@) are
// created with a trailing newline. This is helpful so that inputs
// created from file.readlines() result in diffs that are suitable for
// file.writelines() since both the inputs and outputs have trailing
// newlines.
//
// For inputs that do not have trailing newlines, set the lineterm
// argument to "" so that the output will be uniformly newline free.
//
// The unidiff format normally has a header for filenames and modification
// times. Any or all of these may be specified using strings for
// 'fromfile', 'tofile', 'fromfiledate', and 'tofiledate'.
// The modification times are normally expressed in the ISO 8601 format.
func WriteUnifiedDiff(writer io.Writer, diff UnifiedDiff) error {
buf := bufio.NewWriter(writer)
defer buf.Flush()
wf := func(format string, args ...interface{}) error {
_, err := buf.WriteString(fmt.Sprintf(format, args...))
return err
}
ws := func(s string) error {
_, err := buf.WriteString(s)
return err
}
if len(diff.Eol) == 0 {
diff.Eol = "\n"
}
started := false
m := NewMatcher(diff.A, diff.B)
for _, g := range m.GetGroupedOpCodes(diff.Context) {
if !started {
started = true
fromDate := ""
if len(diff.FromDate) > 0 {
fromDate = "\t" + diff.FromDate
}
toDate := ""
if len(diff.ToDate) > 0 {
toDate = "\t" + diff.ToDate
}
if diff.FromFile != "" || diff.ToFile != "" {
err := wf("--- %s%s%s", diff.FromFile, fromDate, diff.Eol)
if err != nil {
return err
}
err = wf("+++ %s%s%s", diff.ToFile, toDate, diff.Eol)
if err != nil {
return err
}
}
}
first, last := g[0], g[len(g)-1]
range1 := formatRangeUnified(first.I1, last.I2)
range2 := formatRangeUnified(first.J1, last.J2)
if err := wf("@@ -%s +%s @@%s", range1, range2, diff.Eol); err != nil {
return err
}
for _, c := range g {
i1, i2, j1, j2 := c.I1, c.I2, c.J1, c.J2
if c.Tag == 'e' {
for _, line := range diff.A[i1:i2] {
if err := ws(" " + line); err != nil {
return err
}
}
continue
}
if c.Tag == 'r' || c.Tag == 'd' {
for _, line := range diff.A[i1:i2] {
if err := ws("-" + line); err != nil {
return err
}
}
}
if c.Tag == 'r' || c.Tag == 'i' {
for _, line := range diff.B[j1:j2] {
if err := ws("+" + line); err != nil {
return err
}
}
}
}
}
return nil
}
// Like WriteUnifiedDiff but returns the diff a string.
func GetUnifiedDiffString(diff UnifiedDiff) (string, error) {
w := &bytes.Buffer{}
err := WriteUnifiedDiff(w, diff)
return w.String(), err
}
// Split a string on "\n" while preserving them. The output can be used
// as input for UnifiedDiff and ContextDiff structures.
func SplitLines(s string) []string {
lines := strings.SplitAfter(s, "\n")
lines[len(lines)-1] += "\n"
return lines
}

View File

@ -0,0 +1,32 @@
// Copyright 2021 The Prometheus 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 internal
import "regexp"
type GoCollectorRule struct {
Matcher *regexp.Regexp
Deny bool
}
// GoCollectorOptions should not be used be directly by anything, except `collectors` package.
// Use it via collectors package instead. See issue
// https://github.com/prometheus/client_golang/issues/1030.
//
// This is internal, so external users only can use it via `collector.WithGoCollector*` methods
type GoCollectorOptions struct {
DisableMemStatsLikeMetrics bool
RuntimeMetricSumForHist map[string]string
RuntimeMetricRules []GoCollectorRule
}

View File

@ -0,0 +1,142 @@
// Copyright 2021 The Prometheus 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.
//go:build go1.17
// +build go1.17
package internal
import (
"math"
"path"
"runtime/metrics"
"strings"
"github.com/prometheus/common/model"
)
// RuntimeMetricsToProm produces a Prometheus metric name from a runtime/metrics
// metric description and validates whether the metric is suitable for integration
// with Prometheus.
//
// Returns false if a name could not be produced, or if Prometheus does not understand
// the runtime/metrics Kind.
//
// Note that the main reason a name couldn't be produced is if the runtime/metrics
// package exports a name with characters outside the valid Prometheus metric name
// character set. This is theoretically possible, but should never happen in practice.
// Still, don't rely on it.
func RuntimeMetricsToProm(d *metrics.Description) (string, string, string, bool) {
namespace := "go"
comp := strings.SplitN(d.Name, ":", 2)
key := comp[0]
unit := comp[1]
// The last path element in the key is the name,
// the rest is the subsystem.
subsystem := path.Dir(key[1:] /* remove leading / */)
name := path.Base(key)
// subsystem is translated by replacing all / and - with _.
subsystem = strings.ReplaceAll(subsystem, "/", "_")
subsystem = strings.ReplaceAll(subsystem, "-", "_")
// unit is translated assuming that the unit contains no
// non-ASCII characters.
unit = strings.ReplaceAll(unit, "-", "_")
unit = strings.ReplaceAll(unit, "*", "_")
unit = strings.ReplaceAll(unit, "/", "_per_")
// name has - replaced with _ and is concatenated with the unit and
// other data.
name = strings.ReplaceAll(name, "-", "_")
name += "_" + unit
if d.Cumulative && d.Kind != metrics.KindFloat64Histogram {
name += "_total"
}
valid := model.IsValidMetricName(model.LabelValue(namespace + "_" + subsystem + "_" + name))
switch d.Kind {
case metrics.KindUint64:
case metrics.KindFloat64:
case metrics.KindFloat64Histogram:
default:
valid = false
}
return namespace, subsystem, name, valid
}
// RuntimeMetricsBucketsForUnit takes a set of buckets obtained for a runtime/metrics histogram
// type (so, lower-bound inclusive) and a unit from a runtime/metrics name, and produces
// a reduced set of buckets. This function always removes any -Inf bucket as it's represented
// as the bottom-most upper-bound inclusive bucket in Prometheus.
func RuntimeMetricsBucketsForUnit(buckets []float64, unit string) []float64 {
switch unit {
case "bytes":
// Re-bucket as powers of 2.
return reBucketExp(buckets, 2)
case "seconds":
// Re-bucket as powers of 10 and then merge all buckets greater
// than 1 second into the +Inf bucket.
b := reBucketExp(buckets, 10)
for i := range b {
if b[i] <= 1 {
continue
}
b[i] = math.Inf(1)
b = b[:i+1]
break
}
return b
}
return buckets
}
// reBucketExp takes a list of bucket boundaries (lower bound inclusive) and
// downsamples the buckets to those a multiple of base apart. The end result
// is a roughly exponential (in many cases, perfectly exponential) bucketing
// scheme.
func reBucketExp(buckets []float64, base float64) []float64 {
bucket := buckets[0]
var newBuckets []float64
// We may see a -Inf here, in which case, add it and skip it
// since we risk producing NaNs otherwise.
//
// We need to preserve -Inf values to maintain runtime/metrics
// conventions. We'll strip it out later.
if bucket == math.Inf(-1) {
newBuckets = append(newBuckets, bucket)
buckets = buckets[1:]
bucket = buckets[0]
}
// From now on, bucket should always have a non-Inf value because
// Infs are only ever at the ends of the bucket lists, so
// arithmetic operations on it are non-NaN.
for i := 1; i < len(buckets); i++ {
if bucket >= 0 && buckets[i] < bucket*base {
// The next bucket we want to include is at least bucket*base.
continue
} else if bucket < 0 && buckets[i] < bucket/base {
// In this case the bucket we're targeting is negative, and since
// we're ascending through buckets here, we need to divide to get
// closer to zero exponentially.
continue
}
// The +Inf bucket will always be the last one, and we'll always
// end up including it here because bucket
newBuckets = append(newBuckets, bucket)
bucket = buckets[i]
}
return append(newBuckets, bucket)
}

View File

@ -19,18 +19,34 @@ import (
dto "github.com/prometheus/client_model/go"
)
// metricSorter is a sortable slice of *dto.Metric.
type metricSorter []*dto.Metric
// LabelPairSorter implements sort.Interface. It is used to sort a slice of
// dto.LabelPair pointers.
type LabelPairSorter []*dto.LabelPair
func (s metricSorter) Len() int {
func (s LabelPairSorter) Len() int {
return len(s)
}
func (s metricSorter) Swap(i, j int) {
func (s LabelPairSorter) Swap(i, j int) {
s[i], s[j] = s[j], s[i]
}
func (s metricSorter) Less(i, j int) bool {
func (s LabelPairSorter) Less(i, j int) bool {
return s[i].GetName() < s[j].GetName()
}
// MetricSorter is a sortable slice of *dto.Metric.
type MetricSorter []*dto.Metric
func (s MetricSorter) Len() int {
return len(s)
}
func (s MetricSorter) Swap(i, j int) {
s[i], s[j] = s[j], s[i]
}
func (s MetricSorter) Less(i, j int) bool {
if len(s[i].Label) != len(s[j].Label) {
// This should not happen. The metrics are
// inconsistent. However, we have to deal with the fact, as
@ -68,7 +84,7 @@ func (s metricSorter) Less(i, j int) bool {
// the slice, with the contained Metrics sorted within each MetricFamily.
func NormalizeMetricFamilies(metricFamiliesByName map[string]*dto.MetricFamily) []*dto.MetricFamily {
for _, mf := range metricFamiliesByName {
sort.Sort(metricSorter(mf.Metric))
sort.Sort(MetricSorter(mf.Metric))
}
names := make([]string, 0, len(metricFamiliesByName))
for name, mf := range metricFamiliesByName {

View File

@ -39,7 +39,7 @@ var errInconsistentCardinality = errors.New("inconsistent label cardinality")
func makeInconsistentCardinalityError(fqName string, labels, labelValues []string) error {
return fmt.Errorf(
"%s: %q has %d variable labels named %q but %d values %q were provided",
"%w: %q has %d variable labels named %q but %d values %q were provided",
errInconsistentCardinality, fqName,
len(labels), labels,
len(labelValues), labelValues,
@ -49,7 +49,7 @@ func makeInconsistentCardinalityError(fqName string, labels, labelValues []strin
func validateValuesInLabels(labels Labels, expectedNumberOfValues int) error {
if len(labels) != expectedNumberOfValues {
return fmt.Errorf(
"%s: expected %d label values but got %d in %#v",
"%w: expected %d label values but got %d in %#v",
errInconsistentCardinality, expectedNumberOfValues,
len(labels), labels,
)
@ -67,7 +67,7 @@ func validateValuesInLabels(labels Labels, expectedNumberOfValues int) error {
func validateLabelValues(vals []string, expectedNumberOfValues int) error {
if len(vals) != expectedNumberOfValues {
return fmt.Errorf(
"%s: expected %d label values but got %d in %#v",
"%w: expected %d label values but got %d in %#v",
errInconsistentCardinality, expectedNumberOfValues,
len(vals), vals,
)

View File

@ -14,6 +14,9 @@
package prometheus
import (
"errors"
"math"
"sort"
"strings"
"time"
@ -115,22 +118,6 @@ func BuildFQName(namespace, subsystem, name string) string {
return name
}
// labelPairSorter implements sort.Interface. It is used to sort a slice of
// dto.LabelPair pointers.
type labelPairSorter []*dto.LabelPair
func (s labelPairSorter) Len() int {
return len(s)
}
func (s labelPairSorter) Swap(i, j int) {
s[i], s[j] = s[j], s[i]
}
func (s labelPairSorter) Less(i, j int) bool {
return s[i].GetName() < s[j].GetName()
}
type invalidMetric struct {
desc *Desc
err error
@ -174,3 +161,96 @@ func (m timestampedMetric) Write(pb *dto.Metric) error {
func NewMetricWithTimestamp(t time.Time, m Metric) Metric {
return timestampedMetric{Metric: m, t: t}
}
type withExemplarsMetric struct {
Metric
exemplars []*dto.Exemplar
}
func (m *withExemplarsMetric) Write(pb *dto.Metric) error {
if err := m.Metric.Write(pb); err != nil {
return err
}
switch {
case pb.Counter != nil:
pb.Counter.Exemplar = m.exemplars[len(m.exemplars)-1]
case pb.Histogram != nil:
for _, e := range m.exemplars {
// pb.Histogram.Bucket are sorted by UpperBound.
i := sort.Search(len(pb.Histogram.Bucket), func(i int) bool {
return pb.Histogram.Bucket[i].GetUpperBound() >= e.GetValue()
})
if i < len(pb.Histogram.Bucket) {
pb.Histogram.Bucket[i].Exemplar = e
} else {
// The +Inf bucket should be explicitly added if there is an exemplar for it, similar to non-const histogram logic in https://github.com/prometheus/client_golang/blob/main/prometheus/histogram.go#L357-L365.
b := &dto.Bucket{
CumulativeCount: proto.Uint64(pb.Histogram.Bucket[len(pb.Histogram.GetBucket())-1].GetCumulativeCount()),
UpperBound: proto.Float64(math.Inf(1)),
Exemplar: e,
}
pb.Histogram.Bucket = append(pb.Histogram.Bucket, b)
}
}
default:
// TODO(bwplotka): Implement Gauge?
return errors.New("cannot inject exemplar into Gauge, Summary or Untyped")
}
return nil
}
// Exemplar is easier to use, user-facing representation of *dto.Exemplar.
type Exemplar struct {
Value float64
Labels Labels
// Optional.
// Default value (time.Time{}) indicates its empty, which should be
// understood as time.Now() time at the moment of creation of metric.
Timestamp time.Time
}
// NewMetricWithExemplars returns a new Metric wrapping the provided Metric with given
// exemplars. Exemplars are validated.
//
// Only last applicable exemplar is injected from the list.
// For example for Counter it means last exemplar is injected.
// For Histogram, it means last applicable exemplar for each bucket is injected.
//
// NewMetricWithExemplars works best with MustNewConstMetric and
// MustNewConstHistogram, see example.
func NewMetricWithExemplars(m Metric, exemplars ...Exemplar) (Metric, error) {
if len(exemplars) == 0 {
return nil, errors.New("no exemplar was passed for NewMetricWithExemplars")
}
var (
now = time.Now()
exs = make([]*dto.Exemplar, len(exemplars))
err error
)
for i, e := range exemplars {
ts := e.Timestamp
if ts == (time.Time{}) {
ts = now
}
exs[i], err = newExemplar(e.Value, ts, e.Labels)
if err != nil {
return nil, err
}
}
return &withExemplarsMetric{Metric: m, exemplars: exs}, nil
}
// MustNewMetricWithExemplars is a version of NewMetricWithExemplars that panics where
// NewMetricWithExemplars would have returned an error.
func MustNewMetricWithExemplars(m Metric, exemplars ...Exemplar) Metric {
ret, err := NewMetricWithExemplars(m, exemplars...)
if err != nil {
panic(err)
}
return ret
}

View File

@ -0,0 +1,25 @@
// Copyright 2018 The Prometheus 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.
//go:build !js || wasm
// +build !js wasm
package prometheus
import "runtime"
// getRuntimeNumThreads returns the number of open OS threads.
func getRuntimeNumThreads() float64 {
n, _ := runtime.ThreadCreateProfile(nil)
return float64(n)
}

View File

@ -0,0 +1,22 @@
// Copyright 2018 The Prometheus 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.
//go:build js && !wasm
// +build js,!wasm
package prometheus
// getRuntimeNumThreads returns the number of open OS threads.
func getRuntimeNumThreads() float64 {
return 1
}

View File

@ -58,7 +58,7 @@ type ObserverVec interface {
// current time as timestamp, and the provided Labels. Empty Labels will lead to
// a valid (label-less) exemplar. But if Labels is nil, the current exemplar is
// left in place. ObserveWithExemplar panics if any of the provided labels are
// invalid or if the provided labels contain more than 64 runes in total.
// invalid or if the provided labels contain more than 128 runes in total.
type ExemplarObserver interface {
ObserveWithExemplar(value float64, exemplar Labels)
}

View File

@ -16,7 +16,6 @@ package prometheus
import (
"errors"
"fmt"
"io/ioutil"
"os"
"strconv"
"strings"
@ -104,8 +103,7 @@ func NewProcessCollector(opts ProcessCollectorOpts) Collector {
}
if opts.PidFn == nil {
pid := os.Getpid()
c.pidFn = func() (int, error) { return pid, nil }
c.pidFn = getPIDFn()
} else {
c.pidFn = opts.PidFn
}
@ -152,13 +150,13 @@ func (c *processCollector) reportError(ch chan<- Metric, desc *Desc, err error)
// It is meant to be used for the PidFn field in ProcessCollectorOpts.
func NewPidFileFn(pidFilePath string) func() (int, error) {
return func() (int, error) {
content, err := ioutil.ReadFile(pidFilePath)
content, err := os.ReadFile(pidFilePath)
if err != nil {
return 0, fmt.Errorf("can't read pid file %q: %+v", pidFilePath, err)
return 0, fmt.Errorf("can't read pid file %q: %w", pidFilePath, err)
}
pid, err := strconv.Atoi(strings.TrimSpace(string(content)))
if err != nil {
return 0, fmt.Errorf("can't parse pid file %q: %+v", pidFilePath, err)
return 0, fmt.Errorf("can't parse pid file %q: %w", pidFilePath, err)
}
return pid, nil

View File

@ -0,0 +1,26 @@
// Copyright 2019 The Prometheus 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.
//go:build js
// +build js
package prometheus
func canCollectProcess() bool {
return false
}
func (c *processCollector) processCollect(ch chan<- Metric) {
// noop on this platform
return
}

View File

@ -11,7 +11,8 @@
// See the License for the specific language governing permissions and
// limitations under the License.
// +build !windows
//go:build !windows && !js
// +build !windows,!js
package prometheus

View File

@ -76,16 +76,19 @@ func (r *responseWriterDelegator) Write(b []byte) (int, error) {
return n, err
}
type closeNotifierDelegator struct{ *responseWriterDelegator }
type flusherDelegator struct{ *responseWriterDelegator }
type hijackerDelegator struct{ *responseWriterDelegator }
type readerFromDelegator struct{ *responseWriterDelegator }
type pusherDelegator struct{ *responseWriterDelegator }
type (
closeNotifierDelegator struct{ *responseWriterDelegator }
flusherDelegator struct{ *responseWriterDelegator }
hijackerDelegator struct{ *responseWriterDelegator }
readerFromDelegator struct{ *responseWriterDelegator }
pusherDelegator struct{ *responseWriterDelegator }
)
func (d closeNotifierDelegator) CloseNotify() <-chan bool {
//nolint:staticcheck // Ignore SA1019. http.CloseNotifier is deprecated but we keep it here to not break existing users.
return d.ResponseWriter.(http.CloseNotifier).CloseNotify()
}
func (d flusherDelegator) Flush() {
// If applicable, call WriteHeader here so that observeWriteHeader is
// handled appropriately.
@ -94,9 +97,11 @@ func (d flusherDelegator) Flush() {
}
d.ResponseWriter.(http.Flusher).Flush()
}
func (d hijackerDelegator) Hijack() (net.Conn, *bufio.ReadWriter, error) {
return d.ResponseWriter.(http.Hijacker).Hijack()
}
func (d readerFromDelegator) ReadFrom(re io.Reader) (int64, error) {
// If applicable, call WriteHeader here so that observeWriteHeader is
// handled appropriately.
@ -107,6 +112,7 @@ func (d readerFromDelegator) ReadFrom(re io.Reader) (int64, error) {
d.written += n
return n, err
}
func (d pusherDelegator) Push(target string, opts *http.PushOptions) error {
return d.ResponseWriter.(http.Pusher).Push(target, opts)
}
@ -261,7 +267,7 @@ func init() {
http.Flusher
}{d, pusherDelegator{d}, hijackerDelegator{d}, flusherDelegator{d}}
}
pickDelegator[pusher+hijacker+flusher+closeNotifier] = func(d *responseWriterDelegator) delegator { //23
pickDelegator[pusher+hijacker+flusher+closeNotifier] = func(d *responseWriterDelegator) delegator { // 23
return struct {
*responseWriterDelegator
http.Pusher

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