cd.yml

name: CD Pipeline

on:
  workflow_run:
    workflows: [CI Pipeline]
    types:
      - completed
    conclusion: success
  workflow_dispatch:

jobs:
  # Check if we should deploy based on the workflow_run event
  evaluate_deployment:
    name: Evaluate Deployment Conditions
    runs-on: ubuntu-latest
    #if: ${{ github.event.workflow_run.conclusion == 'success' }}
    outputs:
      deploy_environment: ${{ steps.set-env.outputs.environment }}
      should_deploy: ${{ steps.set-env.outputs.should_deploy }}
    steps:
      - name: Set environment based on branch
        id: set-env
        run: |
          if [[ "${{ github.event.workflow_run.head_branch }}" == "main" ]]; then
            echo "environment=production" >> $GITHUB_OUTPUT
            echo "should_deploy=true" >> $GITHUB_OUTPUT
          elif [[ "${{ github.event.workflow_run.head_branch }}" == "dev" ]]; then
            echo "environment=staging" >> $GITHUB_OUTPUT
            echo "should_deploy=true" >> $GITHUB_OUTPUT
          else
            echo "environment=none" >> $GITHUB_OUTPUT
            echo "should_deploy=false" >> $GITHUB_OUTPUT
          fi

  # Deploy to staging environment
  deploy_staging:
    name: Deploy to Staging
    needs: [evaluate_deployment]
    if: ${{ needs.evaluate_deployment.outputs.should_deploy == 'true' && needs.evaluate_deployment.outputs.deploy_environment == 'staging' }}
    runs-on: ubuntu-latest
    environment:
      name: staging
    steps:
      - name: Checkout code
        uses: actions/checkout@v4
        with:
          ref: ${{ github.event.workflow_run.head_sha }}

      - name: Setup Helm
        uses: azure/setup-helm@v3
        with:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

      - name: Setup kubectl
        uses: azure/setup-kubectl@v3
        with:
          version: "latest"

      - name: Configure kubeconfig
        run: |
          mkdir -p $HOME/.kube
          echo "${{ secrets.KUBECONFIG }}" > $HOME/.kube/config

      - name: Run Helm Upgrade
        run: |
          cd helm/ai-event-concepter
          helm upgrade --install ai-event-concepter . \
            --namespace team-git-push-force-dev \
            --create-namespace \
            --set ingress.host=dev-aieventconcepter.student.k8s.aet.cit.tum.de \
            --set client.image.tag=dev \
            --set gateway.image.tag=dev \
            --set usersvc.image.tag=dev \
            --set conceptsvc.image.tag=dev \
            --set genaisvc.image.tag=dev

      - name: Rollout Restart Deployments
        run: |
          kubectl rollout restart deployment -n team-git-push-force-dev

      - name: Verify Deployment
        run: |
          echo "Verifying deployment to staging environment..."
          RETRY_COUNT=0
          MAX_RETRIES=10
          until kubectl get pods -n team-git-push-force-dev -l app.kubernetes.io/name=ai-event-concepter -o jsonpath='{.items[*].status.containerStatuses[*].ready}' | grep -q "true" || [ $RETRY_COUNT -eq $MAX_RETRIES ]; do
            echo "Waiting for pods to be ready... ($(($RETRY_COUNT+1))/$MAX_RETRIES)"
            sleep 10
            RETRY_COUNT=$((RETRY_COUNT+1))
          done

          if [ $RETRY_COUNT -eq $MAX_RETRIES ]; then
            echo "Pods didn't become ready within the timeout period"
            kubectl get pods -n team-git-push-force-dev
            exit 1
          fi

          echo "✅ Staging deployment verified successfully!"

  # Deploy to production environment
  deploy_production:
    name: Deploy to Production
    needs: [evaluate_deployment]
    if: ${{ needs.evaluate_deployment.outputs.should_deploy == 'true' && needs.evaluate_deployment.outputs.deploy_environment == 'production' }}
    runs-on: ubuntu-latest
    environment:
      name: production
    steps:
      - name: Checkout code
        uses: actions/checkout@v4
        with:
          ref: ${{ github.event.workflow_run.head_sha }}

      - name: Setup Helm
        uses: azure/setup-helm@v3

      - name: Setup kubectl
        uses: azure/setup-kubectl@v3
        with:
          version: "latest"

      - name: Configure kubeconfig
        run: |
          mkdir -p $HOME/.kube
          echo "${{ secrets.KUBECONFIG }}" > $HOME/.kube/config

      - name: Run Helm
        run: |
          cd helm/ai-event-concepter
          helm upgrade --debug --install -n team-git-push-force ai-event-concepter . \
            --set ingress.host=aieventconcepter.student.k8s.aet.cit.tum.de
          kubectl rollout restart deployment -n team-git-push-force

      - name: Verify Deployment
        run: |
          echo "Verifying deployment to production environment..."
          RETRY_COUNT=0
          MAX_RETRIES=10
          until kubectl get pods -n team-git-push-force -l app.kubernetes.io/name=ai-event-concepter -o jsonpath='{.items[*].status.containerStatuses[*].ready}' | grep -q "true" || [ $RETRY_COUNT -eq $MAX_RETRIES ]; do
            echo "Waiting for pods to be ready... ($(($RETRY_COUNT+1))/$MAX_RETRIES)"
            sleep 10
            RETRY_COUNT=$((RETRY_COUNT+1))
          done

          if [ $RETRY_COUNT -eq $MAX_RETRIES ]; then
            echo "Pods didn't become ready within the timeout period"
            kubectl get pods -n team-git-push-force
            exit 1
          fi

          echo "✅ Production deployment verified successfully!"