read secret from k8s

This commit is contained in:
ston1th 2019-12-04 17:42:30 +01:00
commit b22355d2a5
12 changed files with 583 additions and 85 deletions

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.gitignore vendored Normal file
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env.txt
secret.yaml

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.ko.yaml Normal file
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defaultBaseImage: gcr.io/distroless/static:nonroot

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@ -9,28 +9,68 @@ This way we can trigger cleanups when the PR is closed.
## Push Event ## Push Event
``` ```
X-Interceptor-Ref: refs/heads/master X-Interceptor-Push-Ref: []string{"refs/heads/master"}
```
Response Headers:
```
Commit: <Head Commit Hash>
``` ```
## Pull-Request Event ## Pull-Request Event
``` ```
X-Interceptor-Action: [create|delete] X-Interceptor-Pr-Action: []string{"opened", "reopened", "synchronize", "synchronized"}
```
Response Headers:
```
Issue: <Pull-Request ID>
Commit: <Pull-Request Head Commit Hash>
``` ```
## Issue Comment Event ## Issue Comment Event
**TBD** ```
X-Interceptor-Comment-Action: "/test"
```
### Actions
TBD:
* `/label <name>` - add a label `<name>` to the pull request
* `/test` - run tests pipeline (requires `test` label)
* `/deploy` - deploy pull request in preview environment (requires `deploy` label)
Response Headers:
``` ```
X-Interceptor-Comment: /test Issue: <Pull-Request ID>
Commit: <Pull-Request Head Commit Hash>
``` ```
# Build and run # Build and run
``` Create git authentication secret:
export KO_DOCKER_REPO='gcr.io/my-gcloud-project-name'
export GO111MODULE=off
ko apply -f config/ ```
cat <<EOF>secret.yaml
apiVersion: v1
kind: Secret
metadata:
name: git-auth
namespace: webhook-interceptor
type: Opaque
stringData:
github.com: "<username>:<password>"
EOF
```
```
echo KO_DOCKER_REPO='gcr.io/my-gcloud-project-name' >env.txt
./build.sh
``` ```

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build.sh Executable file
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#!/bin/bash
source env.txt
kubectl -n webhook-interceptor delete deploy webhook-interceptor
ko apply -f config/
kubectl apply -f secret.yaml
sleep 5
kubectl -n webhook-interceptor logs -f $(kubectl -n webhook-interceptor get pod -ojsonpath='{.items[0].metadata.name}')

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go.mod Normal file
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module git.giftfish.de/ston1th/webhook-interceptor
go 1.13
require (
golang.org/x/oauth2 v0.0.0-20191202225959-858c2ad4c8b6 // indirect
golang.org/x/time v0.0.0-20191024005414-555d28b269f0 // indirect
k8s.io/api v0.0.0-20191121015604-11707872ac1c
k8s.io/apimachinery v0.0.0-20191203211716-adc6f4cd9e7d
k8s.io/client-go v0.0.0-20190918160344-1fbdaa4c8d90
k8s.io/utils v0.0.0-20191114200735-6ca3b61696b6 // indirect
)

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go.sum Normal file
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@ -0,0 +1,222 @@
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github.com/stretchr/testify v1.4.0/go.mod h1:j7eGeouHqKxXV5pUuKE4zz7dFj8WfuZ+81PSLYec5m4=
go.opencensus.io v0.21.0/go.mod h1:mSImk1erAIZhrmZN+AvHh14ztQfjbGwt4TtuofqLduU=
golang.org/x/crypto v0.0.0-20181025213731-e84da0312774/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
golang.org/x/crypto v0.0.0-20190211182817-74369b46fc67/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2 h1:VklqNMn3ovrHsnt90PveolxSbWFaJdECFbxSq0Mqo2M=
golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
golang.org/x/crypto v0.0.0-20190611184440-5c40567a22f8 h1:1wopBVtVdWnn03fZelqdXTqk7U7zPQCb+T4rbU9ZEoU=
golang.org/x/crypto v0.0.0-20190611184440-5c40567a22f8/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
golang.org/x/exp v0.0.0-20190121172915-509febef88a4/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=
golang.org/x/lint v0.0.0-20181026193005-c67002cb31c3/go.mod h1:UVdnD1Gm6xHRNCYTkRU2/jEulfH38KcIWyp/GAMgvoE=
golang.org/x/lint v0.0.0-20190227174305-5b3e6a55c961/go.mod h1:wehouNa3lNwaWXcvxsM5YxQ5yQlVC4a0KAMCusXpPoU=
golang.org/x/lint v0.0.0-20190301231843-5614ed5bae6f/go.mod h1:UVdnD1Gm6xHRNCYTkRU2/jEulfH38KcIWyp/GAMgvoE=
golang.org/x/net v0.0.0-20170114055629-f2499483f923/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
golang.org/x/net v0.0.0-20180724234803-3673e40ba225/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
golang.org/x/net v0.0.0-20180826012351-8a410e7b638d/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
golang.org/x/net v0.0.0-20180906233101-161cd47e91fd/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
golang.org/x/net v0.0.0-20190108225652-1e06a53dbb7e/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
golang.org/x/net v0.0.0-20190206173232-65e2d4e15006/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
golang.org/x/net v0.0.0-20190213061140-3a22650c66bd/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
golang.org/x/net v0.0.0-20190311183353-d8887717615a/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
golang.org/x/net v0.0.0-20190812203447-cdfb69ac37fc/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
golang.org/x/net v0.0.0-20191004110552-13f9640d40b9 h1:rjwSpXsdiK0dV8/Naq3kAw9ymfAeJIyd0upUIElB+lI=
golang.org/x/net v0.0.0-20191004110552-13f9640d40b9/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
golang.org/x/oauth2 v0.0.0-20180821212333-d2e6202438be/go.mod h1:N/0e6XlmueqKjAGxoOufVs8QHGRruUQn6yWY3a++T0U=
golang.org/x/oauth2 v0.0.0-20190226205417-e64efc72b421/go.mod h1:gOpvHmFTYa4IltrdGE7lF6nIHvwfUNPOp7c8zoXwtLw=
golang.org/x/oauth2 v0.0.0-20190402181905-9f3314589c9a/go.mod h1:gOpvHmFTYa4IltrdGE7lF6nIHvwfUNPOp7c8zoXwtLw=
golang.org/x/oauth2 v0.0.0-20190604053449-0f29369cfe45/go.mod h1:gOpvHmFTYa4IltrdGE7lF6nIHvwfUNPOp7c8zoXwtLw=
golang.org/x/oauth2 v0.0.0-20191202225959-858c2ad4c8b6 h1:pE8b58s1HRDMi8RDc79m0HISf9D4TzseP40cEA6IGfs=
golang.org/x/oauth2 v0.0.0-20191202225959-858c2ad4c8b6/go.mod h1:gOpvHmFTYa4IltrdGE7lF6nIHvwfUNPOp7c8zoXwtLw=
golang.org/x/sync v0.0.0-20180314180146-1d60e4601c6f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
golang.org/x/sync v0.0.0-20181108010431-42b317875d0f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
golang.org/x/sync v0.0.0-20181221193216-37e7f081c4d4/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
golang.org/x/sync v0.0.0-20190227155943-e225da77a7e6/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
golang.org/x/sys v0.0.0-20170830134202-bb24a47a89ea/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
golang.org/x/sys v0.0.0-20180830151530-49385e6e1522/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
golang.org/x/sys v0.0.0-20180909124046-d0be0721c37e/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
golang.org/x/sys v0.0.0-20190209173611-3b5209105503/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
golang.org/x/sys v0.0.0-20190312061237-fead79001313/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20190616124812-15dcb6c0061f/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20190826190057-c7b8b68b1456 h1:ng0gs1AKnRRuEMZoTLLlbOd+C17zUDepwGQBb/n+JVg=
golang.org/x/sys v0.0.0-20190826190057-c7b8b68b1456/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/text v0.0.0-20160726164857-2910a502d2bf/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
golang.org/x/text v0.3.1-0.20180807135948-17ff2d5776d2/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
golang.org/x/text v0.3.1-0.20181227161524-e6919f6577db/go.mod h1:bEr9sfX3Q8Zfm5fL9x+3itogRgK3+ptLWKqgva+5dAk=
golang.org/x/text v0.3.2 h1:tW2bmiBqwgJj/UpqtC8EpXEZVYOwU0yG4iWbprSVAcs=
golang.org/x/text v0.3.2/go.mod h1:bEr9sfX3Q8Zfm5fL9x+3itogRgK3+ptLWKqgva+5dAk=
golang.org/x/time v0.0.0-20161028155119-f51c12702a4d/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
golang.org/x/time v0.0.0-20181108054448-85acf8d2951c/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
golang.org/x/time v0.0.0-20191024005414-555d28b269f0 h1:/5xXl8Y5W96D+TtHSlonuFqGHIWVuyCkGJLwGh9JJFs=
golang.org/x/time v0.0.0-20191024005414-555d28b269f0/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
golang.org/x/tools v0.0.0-20181011042414-1f849cf54d09/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
golang.org/x/tools v0.0.0-20181030221726-6c7e314b6563/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
golang.org/x/tools v0.0.0-20190114222345-bf090417da8b/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
golang.org/x/tools v0.0.0-20190226205152-f727befe758c/go.mod h1:9Yl7xja0Znq3iFh3HoIrodX9oNMXvdceNzlUR8zjMvY=
golang.org/x/tools v0.0.0-20190312170243-e65039ee4138/go.mod h1:LCzVGOaR6xXOjkQ3onu1FJEFr0SW1gC7cKk1uF8kGRs=
google.golang.org/api v0.4.0/go.mod h1:8k5glujaEP+g9n7WNsDg8QP6cUVNI86fCNMcbazEtwE=
google.golang.org/appengine v1.1.0/go.mod h1:EbEs0AVv82hx2wNQdGPgUI5lhzA/G0D9YwlJXL52JkM=
google.golang.org/appengine v1.4.0/go.mod h1:xpcJRLb0r/rnEns0DIKYYv+WjYCduHsrkT7/EB5XEv4=
google.golang.org/appengine v1.5.0/go.mod h1:xpcJRLb0r/rnEns0DIKYYv+WjYCduHsrkT7/EB5XEv4=
google.golang.org/genproto v0.0.0-20180817151627-c66870c02cf8/go.mod h1:JiN7NxoALGmiZfu7CAH4rXhgtRTLTxftemlI0sWmxmc=
google.golang.org/genproto v0.0.0-20190307195333-5fe7a883aa19/go.mod h1:VzzqZJRnGkLBvHegQrXjBqPurQTc5/KpmUdxsrq26oE=
google.golang.org/genproto v0.0.0-20190418145605-e7d98fc518a7/go.mod h1:VzzqZJRnGkLBvHegQrXjBqPurQTc5/KpmUdxsrq26oE=
google.golang.org/grpc v1.19.0/go.mod h1:mqu4LbDTu4XGKhr4mRzUsmM4RtVoemTSY81AxZiDr8c=
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/fsnotify.v1 v1.4.7/go.mod h1:Tz8NjZHkW78fSQdbUxIjBTcgA1z1m8ZHf0WmKUhAMys=
gopkg.in/inf.v0 v0.9.0/go.mod h1:cWUDdTG/fYaXco+Dcufb5Vnc6Gp2YChqWtbxRZE0mXw=
gopkg.in/inf.v0 v0.9.1 h1:73M5CoZyi3ZLMOyDlQh031Cx6N9NDJ2Vvfl76EDAgDc=
gopkg.in/inf.v0 v0.9.1/go.mod h1:cWUDdTG/fYaXco+Dcufb5Vnc6Gp2YChqWtbxRZE0mXw=
gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7/go.mod h1:dt/ZhP58zS4L8KSrWDmTeBkI65Dw0HsyUHuEVlX15mw=
gopkg.in/yaml.v2 v2.2.1/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 h1:/eiJrUcujPVeJ3xlSWaiNi3uSVmDGBK1pDHUHAnao1I=
gopkg.in/yaml.v2 v2.2.4/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
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=
k8s.io/api v0.0.0-20190620084959-7cf5895f2711/go.mod h1:TBhBqb1AWbBQbW3XRusr7n7E4v2+5ZY8r8sAMnyFC5A=
k8s.io/api v0.0.0-20190918155943-95b840bb6a1f/go.mod h1:uWuOHnjmNrtQomJrvEBg0c0HRNyQ+8KTEERVsK0PW48=
k8s.io/api v0.0.0-20191121015604-11707872ac1c h1:Z87my3sF4WhG0OMxzARkWY/IKBtOr+MhXZAb4ts6qFc=
k8s.io/api v0.0.0-20191121015604-11707872ac1c/go.mod h1:R/s4gKT0V/cWEnbQa9taNRJNbWUK57/Dx6cPj6MD3A0=
k8s.io/apimachinery v0.0.0-20190612205821-1799e75a0719/go.mod h1:I4A+glKBHiTgiEjQiCCQfCAIcIMFGt291SmsvcrFzJA=
k8s.io/apimachinery v0.0.0-20190913080033-27d36303b655/go.mod h1:nL6pwRT8NgfF8TT68DBI8uEePRt89cSvoXUVqbkWHq4=
k8s.io/apimachinery v0.0.0-20191121015412-41065c7a8c2a/go.mod h1:b9qmWdKlLuU9EBh+06BtLcSf/Mu89rWL33naRxs1uZg=
k8s.io/apimachinery v0.0.0-20191203211716-adc6f4cd9e7d h1:q+OZmYewHJeMCzwpHkXlNTtk5bvaUMPCikKvf77RBlo=
k8s.io/apimachinery v0.0.0-20191203211716-adc6f4cd9e7d/go.mod h1:b9qmWdKlLuU9EBh+06BtLcSf/Mu89rWL33naRxs1uZg=
k8s.io/client-go v0.0.0-20190918160344-1fbdaa4c8d90 h1:mLmhKUm1X+pXu0zXMEzNsOF5E2kKFGe5o6BZBIIqA6A=
k8s.io/client-go v0.0.0-20190918160344-1fbdaa4c8d90/go.mod h1:J69/JveO6XESwVgG53q3Uz5OSfgsv4uxpScmmyYOOlk=
k8s.io/client-go v11.0.0+incompatible h1:LBbX2+lOwY9flffWlJM7f1Ct8V2SRNiMRDFeiwnJo9o=
k8s.io/client-go v11.0.0+incompatible/go.mod h1:7vJpHMYJwNQCWgzmNV+VYUl1zCObLyodBc8nIyt8L5s=
k8s.io/client-go v12.0.0+incompatible h1:YlJxncpeVUC98/WMZKC3JZGk/OXQWCZjAB4Xr3B17RY=
k8s.io/client-go v12.0.0+incompatible/go.mod h1:E95RaSlHr79aHaX0aGSwcPNfygDiPKOVXdmivCIZT0k=
k8s.io/gengo v0.0.0-20190128074634-0689ccc1d7d6/go.mod h1:ezvh/TsK7cY6rbqRK0oQQ8IAqLxYwwyPxAX1Pzy0ii0=
k8s.io/klog v0.0.0-20181102134211-b9b56d5dfc92/go.mod h1:Gq+BEi5rUBO/HRz0bTSXDUcqjScdoY3a9IHpCEIOOfk=
k8s.io/klog v0.3.0/go.mod h1:Gq+BEi5rUBO/HRz0bTSXDUcqjScdoY3a9IHpCEIOOfk=
k8s.io/klog v0.3.1/go.mod h1:Gq+BEi5rUBO/HRz0bTSXDUcqjScdoY3a9IHpCEIOOfk=
k8s.io/klog v0.4.0/go.mod h1:4Bi6QPql/J/LkTDqv7R/cd3hPo4k2DG6Ptcz060Ez5I=
k8s.io/klog v1.0.0 h1:Pt+yjF5aB1xDSVbau4VsWe+dQNzA0qv1LlXdC2dF6Q8=
k8s.io/klog v1.0.0/go.mod h1:4Bi6QPql/J/LkTDqv7R/cd3hPo4k2DG6Ptcz060Ez5I=
k8s.io/kube-openapi v0.0.0-20190228160746-b3a7cee44a30/go.mod h1:BXM9ceUBTj2QnfH2MK1odQs778ajze1RxcmP6S8RVVc=
k8s.io/kube-openapi v0.0.0-20190816220812-743ec37842bf/go.mod h1:1TqjTSzOxsLGIKfj0lK8EeCP7K1iUG65v09OM0/WG5E=
k8s.io/kube-openapi v0.0.0-20191107075043-30be4d16710a/go.mod h1:1TqjTSzOxsLGIKfj0lK8EeCP7K1iUG65v09OM0/WG5E=
k8s.io/utils v0.0.0-20190221042446-c2654d5206da/go.mod h1:8k8uAuAQ0rXslZKaEWd0c3oVhZz7sSzSiPnVZayjIX0=
k8s.io/utils v0.0.0-20190801114015-581e00157fb1/go.mod h1:sZAwmy6armz5eXlNoLmJcl4F1QuKu7sr+mFQ0byX7Ew=
k8s.io/utils v0.0.0-20191114200735-6ca3b61696b6 h1:p0Ai3qVtkbCG/Af26dBmU0E1W58NID3hSSh7cMyylpM=
k8s.io/utils v0.0.0-20191114200735-6ca3b61696b6/go.mod h1:sZAwmy6armz5eXlNoLmJcl4F1QuKu7sr+mFQ0byX7Ew=
sigs.k8s.io/structured-merge-diff v0.0.0-20190525122527-15d366b2352e/go.mod h1:wWxsB5ozmmv/SG7nM11ayaAW51xMvak/t1r0CSlcokI=
sigs.k8s.io/yaml v1.1.0 h1:4A07+ZFc2wgJwo8YNlQpr1rVlgUDlxXHhPJciaPY5gs=
sigs.k8s.io/yaml v1.1.0/go.mod h1:UJmg0vDUVViEyp3mgSv9WPwZCDxu4rQW1olrI1uml+o=

68
helper.go Normal file
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@ -0,0 +1,68 @@
// Copyright (C) 2019 Marius Schellenberger
package main
import (
"encoding/json"
"io/ioutil"
"log"
"net/http"
"os"
"strings"
)
const (
githubAPI = "api/v3"
giteaAPI = "api/v1"
)
func getNS() (string, error) {
if ns := os.Getenv("POD_NAMESPACE"); ns != "" {
return ns, nil
}
if data, err := ioutil.ReadFile("/var/run/secrets/kubernetes.io/serviceaccount/namespace"); err == nil {
if ns := strings.TrimSpace(string(data)); len(ns) > 0 {
return ns, nil
}
}
return "default", nil
}
func logError(w http.ResponseWriter, msg string) {
log.Printf("error: %s", msg)
http.Error(w, msg, http.StatusInternalServerError)
}
func contains(a []string, s string) bool {
for _, v := range a {
if strings.Contains(s, v) {
return true
}
}
return false
}
func detectAPI(r *http.Request) string {
if r.Header.Get(giteaEvent) != "" {
return giteaAPI
}
if r.Header.Get(githubEvent) != "" {
return githubAPI
}
return ""
}
func readBody(r *http.Request, i interface{}) (body []byte, err error) {
defer r.Body.Close()
body, err = ioutil.ReadAll(r.Body)
if err != nil {
return
}
if debug {
log.Printf("debug headers: %#v", r.Header)
log.Printf("debug: %s", string(body))
}
err = json.Unmarshal(body, i)
return
}

243
main.go
View file

@ -1,138 +1,231 @@
// Copyright (C) 2019 Marius Schellenberger
package main package main
import ( import (
"encoding/json" "encoding/json"
"fmt"
"io/ioutil" "io/ioutil"
"log" "log"
"net"
"net/http" "net/http"
"net/url"
"reflect"
"strconv"
"strings"
"time" "time"
//corev1 "k8s.io/api/core/v1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/client-go/kubernetes"
typedcorev1 "k8s.io/client-go/kubernetes/typed/core/v1"
"k8s.io/client-go/rest"
) )
var version string var debug = false
type PR struct { const (
Action string `json:"action"` prAction = "X-Interceptor-Pr-Action"
pushAction = "X-Interceptor-Push-Action"
commentAction = "X-Interceptor-Comment-Action"
contentType = "Content-Type"
jsonType = "application/json"
githubEvent = "X-GitHub-Event"
giteaEvent = "X-Gitea-Event"
issueHeader = "Issue"
commitHeader = "Commit"
secretName = "git-auth"
)
func init() {
log.SetFlags(log.Flags() | log.Lshortfile)
} }
func prHandler(w http.ResponseWriter, r *http.Request) { func (h *Handler) getSecret(host string) (username, password string, err error) {
var pr PR sec, err := h.sec.Get(secretName, metav1.GetOptions{})
defer r.Body.Close()
body, err := ioutil.ReadAll(r.Body)
if err != nil { if err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
return return
} }
log.Printf("debug headers: %#v", r.Header) s, ok := sec.Data[host]
log.Printf("debug body: %s", string(body)) if !ok {
err = json.Unmarshal(body, &pr) err = fmt.Errorf("no key found for host %s in secret %s/%s", host, sec.Namespace, sec.Name)
if err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
return return
} }
switch pr.Action { a := strings.SplitN(string(s), ":", 2)
case "opened", "reopened", "synchronize", // GitHub if len(a) < 2 {
"synchronized": // Gitea err = fmt.Errorf("missing credentials for host %s in secret %s/%s", host, sec.Namespace, sec.Name)
if r.Header.Get("X-Interceptor-Action") == "create" {
w.Write(body)
return return
} }
case "closed": username = a[0]
if r.Header.Get("X-Interceptor-Action") == "delete" { password = a[1]
w.Write(body)
return return
} }
}
w.WriteHeader(http.StatusBadRequest)
}
type Push struct { func (h *Handler) getPullRequest(repo Repository, api, id string) (*PullRequest, error) {
Ref string `json:"ref"` u, err := url.Parse(repo.CloneURL)
if err != nil {
return nil, err
}
u.Path = strings.Join([]string{api, "repos",
repo.Owner.Login, repo.Name,
"pulls", id}, "/")
req, err := http.NewRequest("GET", u.String(), nil)
if err != nil {
return nil, err
}
req.Header.Set(contentType, jsonType)
user, pass, err := h.getSecret(u.Host)
if err != nil {
return nil, err
}
req.SetBasicAuth(user, pass)
resp, err := h.cl.Do(req)
if err != nil {
return nil, err
}
defer resp.Body.Close()
pr := new(PullRequest)
err = json.NewDecoder(resp.Body).Decode(pr)
if err != nil {
return nil, err
}
return pr, nil
} }
func pushHandler(w http.ResponseWriter, r *http.Request) { type Handler struct {
var p Push sec typedcorev1.SecretInterface
defer r.Body.Close() cl *http.Client
body, err := ioutil.ReadAll(r.Body) }
func (h *Handler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
event := r.Header.Get(githubEvent)
switch event {
case "pull_request":
h.prHandler(w, r)
case "push":
h.pushHandler(w, r)
case "issue_comment":
h.commentHandler(w, r)
default:
h.dumpHandler(w, r)
}
status := int(reflect.Indirect(reflect.ValueOf(w)).FieldByName("status").Int())
log.Printf("%s %s %s event:%s status:%d", r.RemoteAddr, r.Method, r.URL, event, status)
}
func (h *Handler) prHandler(w http.ResponseWriter, r *http.Request) {
var prb PullRequestBody
body, err := readBody(r, &prb)
if err != nil { if err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError) logError(w, err.Error())
return return
} }
log.Printf("debug headers: %#v", r.Header) if contains(r.Header[prAction], prb.Action) {
log.Printf("debug: %s", string(body)) h := w.Header()
err = json.Unmarshal(body, &p) h.Set(issueHeader, strconv.FormatInt(prb.Number, 10))
if err != nil { h.Set(commitHeader, prb.PullRequest.Head.SHA)
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
if r.Header.Get("X-Interceptor-Ref") == p.Ref {
w.Write(body) w.Write(body)
return return
} }
w.WriteHeader(http.StatusBadRequest) w.WriteHeader(http.StatusBadRequest)
} }
type CommentBody struct { func (h *Handler) pushHandler(w http.ResponseWriter, r *http.Request) {
Comment Comment `json:"comment"` var pb PushBody
} body, err := readBody(r, &pb)
type Comment struct {
Body string `json:"body"`
}
func commentHandler(w http.ResponseWriter, r *http.Request) {
var c CommentBody
defer r.Body.Close()
body, err := ioutil.ReadAll(r.Body)
if err != nil { if err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError) logError(w, err.Error())
return return
} }
log.Printf("debug headers: %#v", r.Header) if contains(r.Header[pushAction], pb.Ref) {
log.Printf("debug: %s", string(body)) h := w.Header()
err = json.Unmarshal(body, &c) h.Set(commitHeader, pb.After)
if err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
if r.Header.Get("X-Interceptor-Comment") == c.Comment.Body {
w.Write(body) w.Write(body)
return return
} }
w.WriteHeader(http.StatusBadRequest) w.WriteHeader(http.StatusBadRequest)
} }
func dumpHandler(w http.ResponseWriter, r *http.Request) { func (h *Handler) commentHandler(w http.ResponseWriter, r *http.Request) {
var cb CommentBody
body, err := readBody(r, &cb)
if err != nil {
logError(w, err.Error())
return
}
//if label := r.Header.Get(labelHeader); label != "" {
//}
if contains(r.Header[commentAction], cb.Comment.Body) {
issue := strconv.FormatInt(cb.Issue.Number, 10)
api := detectAPI(r)
if api == "" {
logError(w, "unable to detect git provider API")
return
}
pr, err := h.getPullRequest(cb.Repository, api, issue)
if err != nil {
logError(w, err.Error())
return
}
h := w.Header()
h.Set(issueHeader, issue)
h.Set(commitHeader, pr.Head.SHA)
w.Write(body)
return
}
w.WriteHeader(http.StatusBadRequest)
}
func (h *Handler) dumpHandler(w http.ResponseWriter, r *http.Request) {
defer r.Body.Close() defer r.Body.Close()
if debug {
body, err := ioutil.ReadAll(r.Body) body, err := ioutil.ReadAll(r.Body)
if err != nil { if err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError) logError(w, err.Error())
return return
} }
log.Printf("debug headers: %#v", r.Header) log.Printf("debug headers: %#v", r.Header)
log.Printf("debug: %s", string(body)) log.Printf("debug: %s", string(body))
}
w.WriteHeader(http.StatusBadRequest) w.WriteHeader(http.StatusBadRequest)
} }
func main() { func main() {
http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) { cfg, err := rest.InClusterConfig()
event := r.Header.Get("X-GitHub-Event") if err != nil {
log.Printf("%s %s %s: %s", r.RemoteAddr, r.Method, r.URL, event) log.Fatalf("error configuring kube client: %s\n", err)
switch event {
case "pull_request":
prHandler(w, r)
case "push":
pushHandler(w, r)
//case "issue_comment":
// commentHandler(w, r)
default:
dumpHandler(w, r)
} }
}) cl, err := kubernetes.NewForConfig(cfg)
if err != nil {
log.Fatalf("error creating new kube client: %s\n", err)
}
ns, err := getNS()
if err != nil {
log.Fatalf("error getting current namespace %s\n", err)
}
h := &Handler{
sec: cl.CoreV1().Secrets(ns),
cl: &http.Client{Transport: &http.Transport{
DialContext: (&net.Dialer{
Timeout: 30 * time.Second,
}).DialContext,
}},
}
http.Handle("/", h)
s := &http.Server{ s := &http.Server{
ReadTimeout: 5 * time.Second, ReadTimeout: 5 * time.Second,
WriteTimeout: 10 * time.Second, WriteTimeout: 10 * time.Second,
IdleTimeout: 120 * time.Second, IdleTimeout: 120 * time.Second,
Addr: ":8080", Addr: ":8080",
} }
log.Println("started webhook listener")
log.Fatal(s.ListenAndServe()) log.Fatal(s.ListenAndServe())
} }

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types.go Normal file
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// Copyright (C) 2019 Marius Schellenberger
package main
type PullRequestBody struct {
Action string `json:"action"`
Number int64 `json:"number"`
PullRequest PullRequest `json:"pull_request"`
}
type PullRequest struct {
Head Head `json:"head"`
Labels []Label `json:"labels"`
}
type Head struct {
SHA string `json:"sha"`
}
type Label struct {
Name string `json:"name"`
}
type PushBody struct {
Ref string `json:"ref"`
After string `json:"after"`
}
type CommentBody struct {
Issue Issue `json:"issue"`
Comment Comment `json:"comment"`
Repository Repository `json:"repository"`
}
type Issue struct {
Number int64 `json:"number"`
Labels []Label `json:"labels"`
}
type Comment struct {
Body string `json:"body"`
}
type Repository struct {
Name string `json:"name"`
Owner Owner `json:"owner"`
CloneURL string `json:"clone_url"`
}
type Owner struct {
Login string `json:"login"`
}