main_deploy_test_prod.yml

# Used to trigger deployment to test and prod Openshift environnment by Image stream re-tagging and labelling pod

name: Trigger deployment to test and prod Openshift environnment by Image stream re-tagging and labelling pod

on:        
  workflow_dispatch:
    inputs:
      app:
        description: 'App Name (jag-document-utils-api)'
        required: true
        default: 'jag-document-utils-api'
      imageSourceEnv:
        type: choice
        description: Image Source environment
        options:
        - Select a Source Env Image to deploy
        - dev
        - test   
        required: true
        default: 'Select a Source Env Image to deploy'
      imageTargetEnv:
        type: choice
        description: Target Release Environment
        options:
        - Select a Target Env to deploy the Source Image
        - test
        - prod    
        required: true
        default: 'Select a Target Env to deploy the Source Image'

jobs:
  oc-image-tagging:
    runs-on: ubuntu-20.04
    environment: ${{ github.event.inputs.imageTargetEnv }}
    steps:

        # Prints vital release paramters used
      - name: Print Release Variables
        run: |
          echo "Release Application: ${{ github.event.inputs.app }}"
          echo "Release Source Environment: ${{ github.event.inputs.imageSourceEnv }}"
          echo "Release Target Environment: ${{ github.event.inputs.imageTargetEnv }}"
      
        # Get current Timestamp to be used for backup tag
      - name: Get Timestamp
        id: gettime
        run: |
          currentdatetime=$(date +"%Y-%m-%d_%H-%M_%Z")
          echo "timestamp=$currentdatetime" >> $GITHUB_ENV
      
        #Login to Openshift using OC Tools SA and Token for image stream tagging changes
      - name: Authenticate OC Tools SA
        uses: redhat-actions/oc-login@v1
        env:
          OPENSHIFT_NAMESPACE: ${{secrets.OPENSHIFT_TOOLS_NAMESPACE}}
          OPENSHIFT_USER: ${{secrets.OPENSHIFT_SA_TOOLS_DEPLOYER_NAME}}
        with:
          openshift_server_url: ${{secrets.OPENSHIFT_SERVER_URL}}
          openshift_token: ${{secrets.OPENSHIFT_SA_TOOLS_DEPLOYER_TOKEN}}
          namespace: ${{secrets.OPENSHIFT_TOOLS_NAMESPACE}}
      
        # Take a backup tag of current prod image for any future rollback
      - name: Backup Prod image for any future release rollbackups
        if: ${{ github.event.inputs.imageTargetEnv == 'prod' }}
        env:
          appName: ${{ github.event.inputs.app }}
          imageTargetEnv: ${{ github.event.inputs.imageTargetEnv }}
          openshiftToolsNamespace: ${{secrets.OPENSHIFT_TOOLS_NAMESPACE}}
          openshiftIImageRegistry: ${{secrets.OPENSHIFT_INTERNAL_REPOSITORY}}
          timestamp: ${{ env.timestamp }}
        run: |
          oc tag ${openshiftIImageRegistry}/${openshiftToolsNamespace}/${appName}:prod ${appName}:prod_backup_${timestamp}
        
        # Re-Tag latest dev (source) image to other env to trigger openshift deployment via DeploymentConfig
      - name: Retag dev image to target release env to trigger deployment
        env:
          appName: ${{ github.event.inputs.app }}
          imageSourceEnv: ${{ github.event.inputs.imageSourceEnv }}
          imageTargetEnv: ${{ github.event.inputs.imageTargetEnv }}
          openshiftToolsNamespace: ${{secrets.OPENSHIFT_TOOLS_NAMESPACE}}
          openshiftIImageRegistry: ${{secrets.OPENSHIFT_INTERNAL_REPOSITORY}}
        run: |
          oc tag ${openshiftIImageRegistry}/${openshiftToolsNamespace}/${appName}:${imageSourceEnv} ${appName}:${imageTargetEnv}