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OpenShiftのBuildConfig

Posted at

はじめに

OpenLibertyのOpenShiftでの実行ガイドでは Buildの部分は oc のコマンドでしていたのでその部分を BuildConfigでできるようにします。

yamlファイル作成

実行したい内容

oc
sudo docker pull openliberty/open-liberty:latest
oc login
oc new-project liberty
oc registry login --skip-check
sudo docker login -u `oc whoami` -p `oc whoami -t` `oc registry info`
sudo docker tag openliberty/open-liberty:latest docker-registry.default.svc:5000/liberty/openliberty:latest
sudo docker push docker-registry.default.svc:5000/liberty/openliberty:latest
oc get is

Docker Login用のsecret作成 (dockerログインしている前提でないと buildでエラーになるようです)

create-docker-login-secret
sudo docker login -u `oc whoami` -p `oc whoami -t` `oc registry info`
oc create secret generic dockerhub --from-file=.dockerconfigjson=$HOME/.docker/config.json --type=kubernetes.io/dockerconfigjson

dockerの処理を BuildConfigにする

build.yaml
kind: "BuildConfig"
apiVersion: "v1"
metadata:
  name: "openliberty-build" 
spec:
  runPolicy: "Serial" 
  strategy:
    type: "Docker"
    dockerStrategy:
      from:
        kind: "DockerImage"
        name: "openliberty/open-liberty:latest"
  source:
    dockerfile: "FROM openliberty/open-liberty:latest" 
  output: 
    to:
      kind: "DockerImage"
      name: "docker-registry.default.svc:5000/liberty/openliberty:latest"
    pushSecret:
      name: "dockerhub"

oc login済みの projectに Buildを作成

oc
oc create -f build.yaml

Webコンソールから Buildができるようになります。
image.png

参考

Build Inputs
Deploying microservices to OpenShift

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