cd.yml

name: cd
  
on:
  push:
    branches:
      - master

env: 
  REPOSITORY_NAME: "pull-request-vote"

jobs:
  build-push-to-ecr-then-update-infra-overlay:
    runs-on: ubuntu-latest
    # https://docs.github.com/en/actions/managing-workflow-runs/skipping-workflow-runs
    # /!\ you can skip workflow runs triggered by the push and pull_request events by including :
    # [skip ci]
    # [ci skip]
    # [no ci]
    # [skip actions]
    # [actions skip]
    # in your commit message, example : git commit -m "[no ci]"
    steps:
    # - name: Debug
    #   uses: actions/github-script@v6
    #   with:
    #     script: console.log(JSON.stringify(context, null, 2));

    - name: Checkout
      # https://github.com/actions/checkout
      uses: actions/checkout@v3

    - name: Configure AWS credentials
      # https://github.com/aws-actions/configure-aws-credentials/tree/master
      uses: aws-actions/configure-aws-credentials@v1-node16
      with:
        aws-access-key-id: ${{ secrets.AWS_ACCESS_KEY_ID }}
        aws-secret-access-key: ${{ secrets.AWS_SECRET_ACCESS_KEY }}
        aws-region: ${{ secrets.AWS_REGION }}

    - name: Login to Amazon ECR
      id: login-ecr
      uses: aws-actions/amazon-ecr-login@v1

    - name: Check if version already pushed to ECR
      run: |
        log()   { echo -e "\e[30;47m ${1} \e[0m ${@:2}"; }
        error() { echo -e "\e[48;5;196m ${1} \e[0m ${@:2}" >&2; }

        VERSION=$(jq --raw-output '.version' vote/package.json)
        log VERSION ${VERSION}

        if [[ -n $(aws ecr list-images --repository-name pull-request-vote --query "imageIds[?imageTag == '${VERSION}'].imageTag" --output text) ]]; 
        then
          error ABORT pull-request-vote:${VERSION} already exists on ECR 
          exit 1
        fi

        echo "VERSION=${VERSION}" >> $GITHUB_ENV

    - name: Build, tag, and push image to Amazon ECR
      id: build-image
      run: |
        log()   { echo -e "\e[30;47m ${1} \e[0m ${@:2}"; }

        VERSION=${{ env.VERSION }}
        log VERSION ${VERSION}

        TAG_VERSION=${{ steps.login-ecr.outputs.registry }}/${{ env.REPOSITORY_NAME }}:${VERSION}
        log TAG_VERSION ${TAG_VERSION}

        TAG_SHA=${{ steps.login-ecr.outputs.registry }}/${{ env.REPOSITORY_NAME }}:${GITHUB_SHA}
        log TAG_SHA ${TAG_SHA}
        
        cd vote
        docker image build --tag ${TAG_VERSION} --tag ${TAG_SHA} .

        docker push ${TAG_VERSION}
        docker push ${TAG_SHA}

        echo "VERSION=${VERSION}" >> $GITHUB_ENV
        echo "TAG_VERSION=${TAG_VERSION}" >> $GITHUB_ENV

    - name: Checkout infra repo
      uses: actions/checkout@v3
      with:
        repository: ${{ secrets.GH_REPOSITORY_INFRA }} # jeromedecoster/argocd-pull-request-infra
        token: ${{ secrets.GH_TOKEN }}
        path: infra
        fetch-depth: 0

    - name: Push to infra repo
      env:
        OVERLAY_PATH: "manifests/overlays/master"
      run: |
        cd infra
        mkdir --parents ${{ env.OVERLAY_PATH }}
        export vote_image=${{ env.TAG_VERSION }}
        export vote_version=${{ env.VERSION }}
        export vote_nodeport=30000
        envsubst < manifests/overlays/.tmpl/kustomization.yaml > ${{ env.OVERLAY_PATH }}/kustomization.yaml
        git config user.name github-actions
        git config user.email github-actions@github.com
        git add .
        git commit -m "github actions: ${{ env.OVERLAY_PATH }}"
        git push