java-build-push-git-template.yaml

# This workflow will:
# - build a maven Java application
# - create a docker container
# - publish it to Quay
# - commit updates to gitops repo
#
### Before you begin:
# - Have write access to a container image registry such as quay.io or Dockerhub.
# - Have access to your gitops repo.

# Name of the workflow
name: Build, Push, Gitops

on: 
  push:
    branches:
      - master 
    paths-ignore:
    - '.github/**'   
    

# Environment variables available to all jobs and steps in this workflow
env:
  # EDIT secrets with with your registry, registry path, and apikey
  REGISTRY: quay.io
  REGISTRY_NAMESPACE:  ${{ secrets.REGISTRY_NAMESPACE }}
  # EDIT with your registry username.
  REGISTRY_USER: ${{ secrets.REGISTRY_USER }}
  REGISTRY_PASSWORD: ${{ secrets.REGISTRY_PASSWORD }}
  IMAGE_NAME: trader
  
  GITHUB_SHA: ${{ github.sha }}
  
  GITOPS_REPO: stocktrader-ops/stocktrader-gitops
  GITOPS_DIR: application
  GITOPS_USERNAME: ${{ secrets.GITOPS_USERNAME }}
  GITOPS_TOKEN: ${{ secrets.GITOPS_TOKEN }}
  
jobs:
  setup-build-publish-deploy:
    name: Setup, Build, Publish
    runs-on: ubuntu-latest
    outputs:
      image-registry-path: ${{ steps.push-to-registry.outputs.image-registry-path }}
      unit-test-result: ${{ steps.unit-test.outputs.unit-test-result }}
    environment: production
    steps:

    # Checkout app repo
    - name: Checkout
      uses: actions/checkout@v2
      

    # Setup java
    - name: Setup Java
      uses: actions/setup-java@v1
      with:
        java-version: 17

    # Build and package app
    - name: Build and package app
      id: unit-test
      run: |
        mvn clean verify
        cat target/failsafe-reports/failsafe-summary.xml
        grep -q "<failures>0</failures>" target/failsafe-reports/failsafe-summary.xml
        code=$?
        echo "ret: $code"
        if [[ $code -eq 0  ]]; then
          echo "success"
          echo '::set-output name=unit-test-result::success'
        else
          echo "failed"
          echo '::set-output name=unit-test-result::failed'
        fi

    # Build the Docker image
    - name: Build with Docker
      run: |
        docker build -t "$REGISTRY"/"$REGISTRY_NAMESPACE"/"$IMAGE_NAME":"$GITHUB_SHA" \
          --build-arg GITHUB_SHA="$GITHUB_SHA" \
          --build-arg GITHUB_REF="$GITHUB_REF" .

    # Push the image to Image Registry
    - name: Push the image to Registry
      id: push-to-registry
      run: |
        docker login -u="$REGISTRY_USER" -p="$REGISTRY_PASSWORD" "$REGISTRY"
        docker push $REGISTRY/$REGISTRY_NAMESPACE/$IMAGE_NAME:$GITHUB_SHA
        echo '::set-output name=image-registry-path::$REGISTRY_HOSTNAME/$REGISTRY_NAMESPACE/$IMAGE_NAME:$GITHUB_SHA' 

  update-gitops-repo:
    name: Publish image updates to gitops repo
    runs-on: ubuntu-latest
    needs: [setup-build-publish-deploy]
    steps:
    
    # Checkout gitops repo   
    - name: Checkout gitops repo
      uses: actions/checkout@v2
      with:
        repository: ${{env.GITOPS_REPO}}
        path: gitops
        token: ${{secrets.GITOPS_TOKEN}}
        
    # Update application
    - name: Upate application
      run: |
        set -x
        set +e
        ls -la
        ls -la gitops
        cd gitops
        
        ## update manifests to new image and tag
        APP_IMAGE="$REGISTRY/$REGISTRY_NAMESPACE/$IMAGE_NAME"
        VERSION="$GITHUB_SHA"
        echo "image-registry-path: ${{needs.setup-build-publish-deploy.image-registry-path}}"
        echo "${APP_IMAGE}"
        echo "${VERSION}"

        echo "print yq version"
        yq --version
        # yq w -i "${GITOPS_DIR}/stocktrader-cr.yaml" spec.trader.image.repository "${APP_IMAGE}"
        yq e ".spec.trader.image.repository = \"$APP_IMAGE\"" -i "${GITOPS_DIR}/stocktrader-cr.yaml"

        # yq w -i "${GITOPS_DIR}/stocktrader-cr.yaml" spec.trader.image.tag "${VERSION}"
         yq e ".spec.trader.image.tag = \"$VERSION\"" -i "${GITOPS_DIR}/stocktrader-cr.yaml"

        cat "${GITOPS_DIR}/stocktrader-cr.yaml"          

        if [[ $(git status -s | wc -l) -eq 0 ]]; then
          echo "No changes"
          exit 0
        fi
        git add "${GITOPS_DIR}/"
        git config --global user.name 'GH Actions'
        git config --global user.email 'github-actions@users.noreply.github.com'        
        git commit -am "Updates ${APP_NAME} to ${VERSION}"   
        git push https://$GITOPS_USERNAME:$GITOPS_TOKEN@github.com/$GITOPS_REPO