# Cloud Build configuration for ruvector streaming service
# Multi-region deployment with canary strategy

steps:
  # Step 1: Build Docker image
  - name: 'gcr.io/cloud-builders/docker'
    id: 'build-image'
    args:
      - 'build'
      - '-t'
      - 'gcr.io/$PROJECT_ID/ruvector-streaming:$COMMIT_SHA'
      - '-t'
      - 'gcr.io/$PROJECT_ID/ruvector-streaming:latest'
      - '-f'
      - 'src/cloud-run/Dockerfile'
      - '--cache-from'
      - 'gcr.io/$PROJECT_ID/ruvector-streaming:latest'
      - '--build-arg'
      - 'BUILDKIT_INLINE_CACHE=1'
      - '.'
    timeout: 1800s

  # Step 2: Push image to Container Registry
  - name: 'gcr.io/cloud-builders/docker'
    id: 'push-image'
    args:
      - 'push'
      - '--all-tags'
      - 'gcr.io/$PROJECT_ID/ruvector-streaming'
    waitFor: ['build-image']

  # Step 3: Run tests
  - name: 'gcr.io/$PROJECT_ID/ruvector-streaming:$COMMIT_SHA'
    id: 'run-tests'
    entrypoint: '/nodejs/bin/node'
    args:
      - '-e'
      - 'console.log("Tests would run here")'
    waitFor: ['push-image']

  # Step 4: Security scan
  - name: 'gcr.io/cloud-builders/gcloud'
    id: 'security-scan'
    args:
      - 'container'
      - 'images'
      - 'scan'
      - 'gcr.io/$PROJECT_ID/ruvector-streaming:$COMMIT_SHA'
    waitFor: ['push-image']

  # Step 5: Deploy to Cloud Run - US Central (10% canary)
  - name: 'gcr.io/google.com/cloudsdktool/cloud-sdk'
    id: 'deploy-us-central-canary'
    entrypoint: 'gcloud'
    args:
      - 'run'
      - 'deploy'
      - 'ruvector-streaming-us-central'
      - '--image=gcr.io/$PROJECT_ID/ruvector-streaming:$COMMIT_SHA'
      - '--region=us-central1'
      - '--platform=managed'
      - '--allow-unauthenticated'
      - '--memory=4Gi'
      - '--cpu=4'
      - '--min-instances=2'
      - '--max-instances=1000'
      - '--concurrency=1000'
      - '--timeout=300s'
      - '--set-env-vars=NODE_ENV=production,MAX_CONNECTIONS=100000,ENABLE_METRICS=true,ENABLE_TRACING=true,SERVICE_VERSION=$COMMIT_SHA'
      - '--tag=canary'
      - '--no-traffic'
    waitFor: ['run-tests', 'security-scan']

  # Step 6: Gradual rollout to US Central (50%)
  - name: 'gcr.io/google.com/cloudsdktool/cloud-sdk'
    id: 'rollout-us-central-50'
    entrypoint: 'gcloud'
    args:
      - 'run'
      - 'services'
      - 'update-traffic'
      - 'ruvector-streaming-us-central'
      - '--region=us-central1'
      - '--to-tags=canary=50'
    waitFor: ['deploy-us-central-canary']

  # Step 7: Health check
  - name: 'gcr.io/cloud-builders/gcloud'
    id: 'health-check-us-central'
    entrypoint: 'bash'
    args:
      - '-c'
      - |
        SERVICE_URL=$(gcloud run services describe ruvector-streaming-us-central --region=us-central1 --format='value(status.url)')
        for i in {1..30}; do
          if curl -f "$SERVICE_URL/health"; then
            echo "Health check passed"
            exit 0
          fi
          echo "Waiting for service to be healthy... ($i/30)"
          sleep 10
        done
        echo "Health check failed"
        exit 1
    waitFor: ['rollout-us-central-50']

  # Step 8: Full rollout to US Central (100%)
  - name: 'gcr.io/google.com/cloudsdktool/cloud-sdk'
    id: 'rollout-us-central-100'
    entrypoint: 'gcloud'
    args:
      - 'run'
      - 'services'
      - 'update-traffic'
      - 'ruvector-streaming-us-central'
      - '--region=us-central1'
      - '--to-latest'
    waitFor: ['health-check-us-central']

  # Step 9: Deploy to Europe West
  - name: 'gcr.io/google.com/cloudsdktool/cloud-sdk'
    id: 'deploy-europe-west'
    entrypoint: 'gcloud'
    args:
      - 'run'
      - 'deploy'
      - 'ruvector-streaming-europe-west'
      - '--image=gcr.io/$PROJECT_ID/ruvector-streaming:$COMMIT_SHA'
      - '--region=europe-west1'
      - '--platform=managed'
      - '--allow-unauthenticated'
      - '--memory=4Gi'
      - '--cpu=4'
      - '--min-instances=2'
      - '--max-instances=1000'
      - '--concurrency=1000'
      - '--timeout=300s'
      - '--set-env-vars=NODE_ENV=production,MAX_CONNECTIONS=100000,ENABLE_METRICS=true,ENABLE_TRACING=true,SERVICE_VERSION=$COMMIT_SHA'
    waitFor: ['rollout-us-central-100']

  # Step 10: Deploy to Asia East
  - name: 'gcr.io/google.com/cloudsdktool/cloud-sdk'
    id: 'deploy-asia-east'
    entrypoint: 'gcloud'
    args:
      - 'run'
      - 'deploy'
      - 'ruvector-streaming-asia-east'
      - '--image=gcr.io/$PROJECT_ID/ruvector-streaming:$COMMIT_SHA'
      - '--region=asia-east1'
      - '--platform=managed'
      - '--allow-unauthenticated'
      - '--memory=4Gi'
      - '--cpu=4'
      - '--min-instances=2'
      - '--max-instances=1000'
      - '--concurrency=1000'
      - '--timeout=300s'
      - '--set-env-vars=NODE_ENV=production,MAX_CONNECTIONS=100000,ENABLE_METRICS=true,ENABLE_TRACING=true,SERVICE_VERSION=$COMMIT_SHA'
    waitFor: ['rollout-us-central-100']

  # Step 11: Setup Global Load Balancer
  - name: 'gcr.io/google.com/cloudsdktool/cloud-sdk'
    id: 'setup-global-lb'
    entrypoint: 'bash'
    args:
      - '-c'
      - |
        # Create backend service if not exists
        gcloud compute backend-services describe ruvector-streaming-backend --global || \
        gcloud compute backend-services create ruvector-streaming-backend \
          --global \
          --load-balancing-scheme=EXTERNAL_MANAGED \
          --protocol=HTTP2 \
          --health-checks=ruvector-streaming-health-check \
          --enable-cdn \
          --cache-mode=USE_ORIGIN_HEADERS

        # Add regional backends
        for region in us-central1 europe-west1 asia-east1; do
          NEG_NAME="ruvector-streaming-$region-neg"
          gcloud compute network-endpoint-groups describe $NEG_NAME --region=$region || \
          gcloud compute network-endpoint-groups create $NEG_NAME \
            --region=$region \
            --network-endpoint-type=SERVERLESS \
            --cloud-run-service=ruvector-streaming-$region

          gcloud compute backend-services add-backend ruvector-streaming-backend \
            --global \
            --network-endpoint-group=$NEG_NAME \
            --network-endpoint-group-region=$region || true
        done

        # Create URL map
        gcloud compute url-maps describe ruvector-streaming-url-map || \
        gcloud compute url-maps create ruvector-streaming-url-map \
          --default-service=ruvector-streaming-backend

        # Create HTTPS proxy
        gcloud compute target-https-proxies describe ruvector-streaming-https-proxy || \
        gcloud compute target-https-proxies create ruvector-streaming-https-proxy \
          --url-map=ruvector-streaming-url-map \
          --ssl-certificates=ruvector-ssl-cert

        # Create forwarding rule
        gcloud compute forwarding-rules describe ruvector-streaming-https-rule --global || \
        gcloud compute forwarding-rules create ruvector-streaming-https-rule \
          --global \
          --target-https-proxy=ruvector-streaming-https-proxy \
          --ports=443
    waitFor: ['deploy-europe-west', 'deploy-asia-east']

  # Step 12: Notify deployment
  - name: 'gcr.io/google.com/cloudsdktool/cloud-sdk'
    id: 'notify-deployment'
    entrypoint: 'bash'
    args:
      - '-c'
      - |
        echo "Deployment completed successfully!"
        echo "Commit: $COMMIT_SHA"
        echo "Regions: us-central1, europe-west1, asia-east1"
        echo "Image: gcr.io/$PROJECT_ID/ruvector-streaming:$COMMIT_SHA"
    waitFor: ['setup-global-lb']

# Build options
options:
  machineType: 'E2_HIGHCPU_8'
  diskSizeGb: 100
  logging: CLOUD_LOGGING_ONLY
  dynamic_substitutions: true

# Timeout
timeout: 3600s

# Substitutions
substitutions:
  _SERVICE_VERSION: 'v1.0.0'

# Images to push
images:
  - 'gcr.io/$PROJECT_ID/ruvector-streaming:$COMMIT_SHA'
  - 'gcr.io/$PROJECT_ID/ruvector-streaming:latest'

# Artifacts
artifacts:
  objects:
    location: 'gs://$PROJECT_ID-build-artifacts'
    paths:
      - 'dist/**/*'