deploy-document-service.yml

name: Deploy Document Service

on:
  push:
    branches: [main]
    paths:
      - 'server/document-service/**'
      - 'infra/helm-charts/document-service/**'
      - '.github/workflows/deploy-document-service.yml'
  pull_request:
    types: [opened, synchronize, reopened]
    paths:
      - 'server/document-service/**'
      - 'infra/helm-charts/document-service/**'
      - '.github/workflows/deploy-document-service.yml'
  workflow_dispatch:
    inputs:
      image_tag:
        description: 'Image tag to deploy'
        required: true
        default: 'latest'

jobs:
  build-and-deploy:
    runs-on: ubuntu-latest
    
    steps:
      - name: Checkout code
        uses: actions/checkout@v4

      - name: Setup Java
        uses: actions/setup-java@v4
        with:
          java-version: '21'
          distribution: 'temurin'

      - name: Setup Gradle
        uses: gradle/gradle-build-action@v2
        with:
          gradle-version: '8.5'

      - name: Build Document Service
        run: |
          cd server/document-service
          ./gradlew build -x test
          echo "✅ Document service built successfully"

      - name: Build Docker Image
        run: |
          cd server/document-service
          docker build -t ghcr.io/aet-devops25/team-3/document-service:${{ github.event.inputs.image_tag || github.sha }} .
          docker build -t ghcr.io/aet-devops25/team-3/document-service:latest .
          echo "✅ Docker image built successfully"

      - name: Login to GitHub Container Registry
        uses: docker/login-action@v3
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Push Docker Image
        run: |
          cd server/document-service
          docker push ghcr.io/aet-devops25/team-3/document-service:${{ github.event.inputs.image_tag || github.sha }}
          docker push ghcr.io/aet-devops25/team-3/document-service:latest
          echo "✅ Docker image pushed successfully"

      - name: Setup Kubernetes tools
        run: |
          echo "🔧 Setting up Kubernetes tools..."
          
          # Install kubectl
          curl -LO "https://dl.k8s.io/release/$(curl -L -s https://dl.k8s.io/release/stable.txt)/bin/linux/amd64/kubectl"
          chmod +x kubectl
          sudo mv kubectl /usr/local/bin/
          
          # Install Helm
          curl https://raw.githubusercontent.com/helm/helm/main/scripts/get-helm-3 | bash
          
          # Install jq for JSON parsing
          sudo apt-get update && sudo apt-get install -y jq
          
          echo "✅ Kubernetes tools installed"
          kubectl version --client
          helm version

      - name: Configure kubectl
        env:
          KUBE_CONFIG: ${{ secrets.KUBE_CONFIG }}
        run: |
          echo "🔧 Configuring kubectl..."
          
          # Set up kubectl configuration from secret
          mkdir -p $HOME/.kube
          echo "$KUBE_CONFIG" > $HOME/.kube/config
          chmod 600 $HOME/.kube/config
          
          echo "✅ Kubectl configured"
          


      - name: Deploy Helm Chart
        env:
          HELM_RELEASE_NAME: document-service
          CHART_PATH: ./infra/helm-charts/document-service
          HELM_NAMESPACE: study-mate
          IMAGE_TAG: ${{ github.event.inputs.image_tag || github.sha }}
        run: |
          echo "🚀 Deploying Document Service..."
          
          helm upgrade --install ${{ env.HELM_RELEASE_NAME }} ${{ env.CHART_PATH }} \
            --namespace ${{ env.HELM_NAMESPACE }} \
            --set documentService.image.tag=${{ env.IMAGE_TAG }} \
            --set secrets.jwt.data.jwtSecret="${{ secrets.JWT_SECRET }}" \
            --wait --timeout=5m
          
          echo "✅ Document service deployed successfully"

      - name: Verify Deployment
        run: |
          echo "🔍 Verifying document service deployment..."
          
          # Wait a bit for old pods to terminate after Helm upgrade
          echo "⏳ Waiting for deployment to stabilize..."
          sleep 30
          
          # Wait for deployment to be ready (more reliable than waiting for specific pods)
          echo "🔍 Waiting for deployment to be ready..."
          kubectl rollout status deployment/study-mate-document-service -n study-mate --timeout=300s || {
            echo "❌ Document service deployment failed to become ready"
            echo "🔍 Deployment status:"
            kubectl describe deployment study-mate-document-service -n study-mate
            echo "🔍 Pod status:"
            kubectl get pods -n study-mate -l app.kubernetes.io/component=document-service -o wide
            echo "🔍 Pod logs:"
            kubectl logs -l app.kubernetes.io/component=document-service -n study-mate --tail=50 || echo "⚠️  Could not get logs"
            exit 1
          }
          
          echo "✅ Document service is ready"
          
          # Check service
          kubectl get service study-mate-document-service -n study-mate
          
          # Health check
          echo "🏥 Performing health check..."
          kubectl port-forward svc/study-mate-document-service 8084:8084 -n study-mate &
          PF_PID=$!
          sleep 10
          
          # Try health endpoint first, fallback to root endpoint
          if curl -f http://localhost:8084/actuator/health > /dev/null 2>&1; then
            echo "✅ Document service health check passed"
          elif curl -f http://localhost:8084/ > /dev/null 2>&1; then
            echo "✅ Document service is responding (root endpoint)"
          else
            echo "❌ Document service health check failed"
          fi
          
          kill $PF_PID 2>/dev/null || true

      - name: Deployment Summary
        run: |
          echo "🌐 Document Service Deployment Complete!"
          echo "📦 Namespace: study-mate"
          echo "🔧 Release: document-service"
          echo "🏷️  Image tag: ${{ github.event.inputs.image_tag || github.sha }}"
          echo ""
          echo "🔧 Useful commands:"
          echo "  kubectl get pods -n study-mate -l app.kubernetes.io/component=document-service"
          echo "  kubectl logs -f deployment/document-service -n study-mate"
          echo "  kubectl port-forward svc/study-mate-document-service 8084:8084 -n study-mate"
          echo ""
          echo "🔍 Troubleshooting:"
          echo "  kubectl get events -n study-mate --sort-by='.lastTimestamp'"
          echo "  helm status document-service -n study-mate"