pr-dev-skyviewer-api.yaml

  # Builds, pushes, and deploys the Skyviewer API container
name: 'Build and deploy branch-tagged Skyviewer API in Dev'

on:
  pull_request:
    types:
      - 'opened'
      - 'synchronize'
      - 'reopened'
      - 'closed'
    branches:
      - 'develop'

jobs:
  build-push-deploy:
    name: 'Build, Publish, and Deploy'
    runs-on: ubuntu-latest
    if: ${{ github.event.action != 'closed'}}

    # Checkout the repository to the GitHub Actions runner
    steps:
    - name: Checkout
      uses: actions/checkout@v2

    - name: Print GitHub event action
      run: |
        echo "${{ github.event.action }}"

    # gcloud CLI setup
    - name: Login to GCP
      uses: google-github-actions/setup-gcloud@v0
      with:
        service_account_key: ${{ secrets.DEV_SA_KEY }}
        project_id: ${{ secrets.SV_PROJ_NAME }}
        export_default_credentials: true

     # Configure Docker to use the gcloud command-line tool as a credential
      # helper for authentication
    - run: |-
        gcloud --quiet auth configure-docker

    # Build the Docker image
    - name: Build Docker image
      run: |-
        docker build \
          --tag "gcr.io/${{ secrets.SV_PROJ_NAME }}/skyviewer-api:${{ github.sha }}" .

    # Push the Docker image to Google Container Registry
    - name: Publish image to GCR
      run: |-
        docker push "gcr.io/${{ secrets.SV_PROJ_NAME }}/skyviewer-api:${{ github.sha }}"

    - name: Get VPC connector name
      run: echo "vpc_connector=$(gcloud compute networks vpc-access connectors list --region=us-central1 --limit=1 --format='value(name)')" >> $GITHUB_ENV

    # Deploy to Cloud Run.
    - name: Deploy a tagged version to Cloud Run without redirecting traffic
      run: |-
        gcloud run deploy skyviewer-api --quiet \
        --image=gcr.io/${{ secrets.SV_PROJ_NAME }}/skyviewer-api:${{ github.sha }} \
        --vpc-connector=${{ env.vpc_connector }} \
        --region=us-central1 \
        --tag=${{ github.head_ref }} \
        --no-traffic

    # Create or update a comment with the URL
    - name: Find Comment
      uses: peter-evans/find-comment@v1
      id: fc
      with:
        issue-number: ${{ github.event.pull_request.number }}
        comment-author: 'github-actions[bot]'
        body-includes: A preview of this PR

    - name: Create or update a comment with the URL to the PR
      uses: peter-evans/create-or-update-comment@v1
      with:
        comment-id: ${{ steps.fc.outputs.comment-id }}
        issue-number: ${{ github.event.pull_request.number }}
        body: |
          A preview of this PR will be available at https://${{ github.head_ref }}---skyviewer-api-int-2eici5myiq-uc.a.run.app until the request is closed.
        reactions: '+1'
        edit-mode: replace

  remove-tag:
    name: 'Remove branch tag'
    runs-on: ubuntu-latest
    if: ${{ github.event.action == 'closed'}}

    steps:
      # gcloud CLI setup
    - name: Login to GCP
      uses: google-github-actions/setup-gcloud@v0
      with:
        service_account_key: ${{ secrets.DEV_SA_KEY }}
        project_id: ${{ secrets.SV_PROJ_NAME }}
        export_default_credentials: true

      # Remove the branch tag when the PR is closed
    - name: Remove branch tag
      run: gcloud run services update-traffic skyviewer-api --remove-tags=${{ github.head_ref }} --region=us-central1