main.yml

name: Deploy to Cloud Run

on:
  workflow_dispatch:
    inputs:
      environment:
        description: "Deployment environment (e.g., staging, production)"
        required: true
        default: "staging"
      branch:
        description: "Branch to deploy (e.g., main, develop)"
        required: true
        default: "main"

env:
  REGION: ${{ secrets.REGION }}
  PROJECT_ID: ${{ secrets.GCP_PROJECT_ID }}

jobs:
  deploy:
    runs-on: ubuntu-latest

    steps:
      # Step 1: Checkout the code from the target branch
      - name: Checkout repository
        uses: actions/checkout@v3
        with:
          ref: ${{ github.event.inputs.branch }}

      # Step 2: Set SERVICE_NAME based on environment
      - name: Set SERVICE_NAME
        run: |
          if [ "${{ github.event.inputs.environment }}" = "production" ]; then
            echo "SERVICE_NAME=${{ secrets.PRODUCTION_SERVICE }}" >> $GITHUB_ENV
          elif [ "${{ github.event.inputs.environment }}" = "staging" ]; then
            echo "SERVICE_NAME=${{ secrets.STAGING_SERVICE }}" >> $GITHUB_ENV
          else
            echo "Invalid environment: ${{ github.event.inputs.environment }}. Valid values are 'production' or 'staging'." >&2
            exit 1
          fi

      - name: Debug SERVICE_NAME
        run: echo "SERVICE_NAME=${{ env.SERVICE_NAME }}"


      # Step 3: Authenticate with Google Cloud
      - name: Authenticate with Google Cloud
        uses: google-github-actions/auth@v1
        with:
          project_id: ${{ env.PROJECT_ID }}
          credentials_json: ${{secrets.GCP_SERVICE_ACCOUNT_KEY}}

      # Step 4: Configure gcloud CLI
      - name: Set up gcloud CLI
        run: |
          gcloud config set project ${{ secrets.GCP_PROJECT_ID }}
          gcloud auth configure-docker

      # Step 5: Get Git commit hash for versioning
      - name: Get short Git commit hash
        id: commit
        run: |
          echo "GIT_COMMIT_HASH=$(git rev-parse --short HEAD)" >> $GITHUB_ENV

      # Step 6: Build Docker image with versioning
      - name: Build Docker image
        run: |
          IMAGE_NAME=gcr.io/${{ secrets.GCP_PROJECT_ID }}/${{env.SERVICE_NAME}}-${{ github.event.inputs.environment }}
          IMAGE_TAG="${{ github.event.inputs.branch }}-${{ github.sha }}"
          docker build -t $IMAGE_NAME:$IMAGE_TAG .

      # Step 7: Push Docker image with tag to GCR
      - name: Push Docker image to GCR
        run: |
          IMAGE_TAG="${{ github.event.inputs.branch }}-${{ github.sha }}"
          IMAGE_NAME=gcr.io/${{ secrets.GCP_PROJECT_ID }}/${{env.SERVICE_NAME}}-${{ github.event.inputs.environment }}
          docker push $IMAGE_NAME:$IMAGE_TAG

      # Step 8: Deploy to Cloud Run
      - name: Deploy to Cloud Run
        run: |
          IMAGE_TAG="${{ github.event.inputs.branch }}-${{ github.sha }}"
          gcloud run deploy ${{env.SERVICE_NAME}} \
            --image gcr.io/${{ secrets.GCP_PROJECT_ID }}/${{env.SERVICE_NAME}}-${{ github.event.inputs.environment }}:$IMAGE_TAG \
            --region ${{ env.REGION }} \
            --platform managed \
            --allow-unauthenticated \
            --min-instances=1 \
            --max-instances=100 \
            --memory=512Mi \
            --cpu=1000m \
            --port=8080 \
            --concurrency=80 \
            --timeout=300s \
            --service-account=780701254989-compute@developer.gserviceaccount.com \
            --set-startup-cpu-boost \
            --set-env-vars SPRING_DATA_MONGODB_URI=mongodb+srv://droiddumbledore:adamaus001@quashmagnusstage.jj8wrxd.mongodb.net/?retryWrites=true&w=majority&appName=QuashMagnusStage,SPRING_DATA_MONGODB_DATABASE=QuashMagnusStage,SPRING_PROFILES_ACTIVE=${{ github.event.inputs.environment }}
      # Step 9: Verify the deployment
      - name: Verify deployment
        run: |
          echo "Deployment complete. Access your service at:"
          gcloud run services describe ${{env.SERVICE_NAME}} --region=${{ env.REGION }} --format='value(status.url)'
      
      # Step 10: Clean Older Revisions
      - name: Cleanup older revisions
        run: |
          SERVICE_NAME=${{env.SERVICE_NAME}}
          REGION=${{ env.REGION }}

          # List all revisions, sorted by creation timestamp in descending order
          gcloud run revisions list \
            --service=$SERVICE_NAME \
            --region=$REGION \
            --format="value(METADATA.name)" \
            --sort-by=~CREATED_AT \
            | tail -n +6 \
            | xargs -I {} gcloud run revisions delete {} \
              --region=$REGION --quiet
      
      # Notify Success (Send Slack Message)
      - name: Notify Slack - Success
        if: success()
        run: |
          curl -X POST -H 'Content-type: application/json' \
            --data '{
              "text": "✅ *Deployment Successful* \nService: `${{env.SERVICE_NAME}}` \nBranch: `${{ github.event.inputs.branch }}` \nEnvironment: `${{ github.event.inputs.environment }}` \n<https://console.cloud.google.com/run|View Cloud Run>"
            }' \
            ${{ secrets.SLACK_WEBHOOK_URL }}

      # Notify Failure (Send Slack Message)
      - name: Notify Slack - Failure
        if: failure()
        run: |
          curl -X POST -H 'Content-type: application/json' \
            --data '{
              "text": "❌ *Deployment Failed* \nService: `${{env.SERVICE_NAME}}` \nBranch: `${{ github.event.inputs.branch }}` \nEnvironment: `${{ github.event.inputs.environment }}` \nCheck the <${{ github.server_url }}/${{ github.repository }}/actions/runs/${{ github.run_id }}|GitHub Actions logs> for details."
            }' \
            ${{ secrets.SLACK_WEBHOOK_URL }}