ci.yaml

---
name: Showcase CI
on:
  push:
    branches:
      - main
  pull_request:

jobs:
  regenerate:
    runs-on: ubuntu-latest
    outputs:
      modified_files: ${{ steps.mod.outputs.modified_files }}
    steps:
    - uses: actions/setup-go@v4
      with:
        go-version: '1.19.2'
    - name: Install Protoc
      uses: arduino/setup-protoc@v1
    - name: Install external generators
      run: |
        go install github.com/golang/protobuf/protoc-gen-go@latest
        go install github.com/googleapis/gapic-generator-go/cmd/protoc-gen-go_cli@latest
        go install github.com/googleapis/gapic-generator-go/cmd/protoc-gen-go_gapic@latest
    - uses: actions/checkout@v3
    - name: Checkout common protos
      run: git submodule init && git submodule update
    - name: Download go deps
      run: go mod download
    - name: Install REST server generator
      run: go install ./util/cmd/protoc-gen-go_rest_server
    - name: Regenerate sources
      run: go run ./util/cmd/compile_protos
    - name: Capture modified files
      id: mod
      run: |
        files=$(git ls-files --deleted --modified --other --directory --exclude-standard cmd client server/genproto server/genrest)
        echo ::set-output name=modified_files::$files
    - name: Prepare regenerated sources
      if: steps.mod.outputs.modified_files
      run: tar czf regen.tgz ${{ steps.mod.outputs.modified_files }}
    - uses: actions/upload-artifact@v3
      if: steps.mod.outputs.modified_files
      with:
        name: regenerated-sources
        path: regen.tgz
  lint:
    needs: regenerate
    runs-on: ubuntu-latest
    steps:
    - uses: actions/setup-go@v4
      with:
        go-version: '1.19.2'
    - name: Install golint
      run: go install golang.org/x/lint/golint@latest
    - uses: actions/checkout@v3
    - uses: actions/download-artifact@v3
      if: needs.regenerate.outputs.modified_files
      with:
        name: regenerated-sources
    - name: Expand regen archive
      if: needs.regenerate.outputs.modified_files
      run: |
        tar xvzf regen.tgz
        rm regen.tgz
    - name: Check formatting
      run: gofmt -l ./server/services > gofmt.txt && ! [ -s gofmt.txt ]
      if: ${{ always() }}
    - name: Lint service implementations
      run: golint ./server/services >> golint.txt && ! [ -s golint.txt ]
      if: ${{ always() }}
    - name: Vet service implementations
      # The mod download is there to prevent go vet from logging mod downloads
      # which would mess up the empty vetting results check.
      run: go mod download && go vet ./server/services 2> govet.txt && ! [ -s govet.txt ]
      if: ${{ always() }}
    - uses: actions/upload-artifact@v3
      if: ${{ always() }}
      with:
        name: linting-results
        path: |
          gofmt.txt
          golint.txt
          govet.txt
  tests:
    needs: regenerate
    runs-on: ubuntu-latest
    steps:
    - uses: actions/checkout@v3
    - uses: actions/setup-go@v4
      with:
        go-version: '1.19.2'
    - uses: actions/download-artifact@v3
      if: needs.regenerate.outputs.modified_files
      with:
        name: regenerated-sources
    - name: Expand regen archive
      if: needs.regenerate.outputs.modified_files
      run: |
        tar xvzf regen.tgz
        rm regen.tgz
    - name: Run unit tests
      run: go test ./...
    - name: Run server coverage
      run: go test ./server/... -coverprofile=coverage.txt -covermode=atomic
    # Disabled indefinitely.
    # - uses: codecov/codecov-action@v1
    #   with:
    #     files: ./coverage.txt
    #     flags: unittests
  probes:
    needs: regenerate
    runs-on: ubuntu-latest
    steps:
    - uses: actions/checkout@v3
    - uses: actions/setup-go@v4
      with:
        go-version: '1.19.2'
    - uses: actions/download-artifact@v3
      if: needs.regenerate.outputs.modified_files
      with:
        name: regenerated-sources
    - name: Expand regen archive
      if: needs.regenerate.outputs.modified_files
      run: |
        tar xvzf regen.tgz
        rm regen.tgz
    - name: Install gapic-showcase CLI
      run: go install ./cmd/gapic-showcase
    - name: Probe gRPC and REST servers
      run: |
        gapic-showcase run &
        gapic-showcase echo echo --response content --response.content "hello!"
        GRPC_EXIT_CODE=$?
        STATUSCODE=$(curl --silent --output /dev/null --write-out "%{http_code}" http://localhost:7469/hello)
        echo "gRPC exit code: $GRPC_EXIT_CODE"
        echo "REST status code: $STATUSCODE"
        [ $STATUSCODE = "200" ]  && [ GRPC_EXIT_CODE != 0 ]
  # Disabled until https://github.com/googleapis/gapic-generator-typescript/pull/955 is merged/released.
  # typescript-smoke-test:
  #   runs-on: ubuntu-latest
  #   steps:
  #   - uses: actions/checkout@v2
  #   - uses: actions/setup-node@v2
  #     with:
  #       node-version: '12'
  #   - name: Run gapic-generator-typescript
  #     run: |
  #       mkdir tsout
  #       docker run --rm --user $UID \
  #         --mount type=bind,source="$(pwd)"/schema,destination=/in/protos/google/showcase/v1beta1,readonly \
  #         --mount type=bind,source="$(pwd)"/tsout,destination=/out/ \
  #         gcr.io/gapic-images/gapic-generator-typescript:latest
  #   - name: Run auto-generated tests
  #     run: |
  #       cd tsout
  #       npm install
  #       npm test
  #       npm run system-test
  protobufjs-load-test:
    runs-on: ubuntu-latest
    steps:
    - uses: actions/checkout@v3
    - uses: actions/setup-node@v3
      with:
        node-version: '12'
    - name: Install protobuf loader
      run: npm install google-proto-files
    - name: Verify protos can be loaded by protobufjs
      run: |
        node -e "require('google-proto-files').loadSync('schema/google/showcase/v1beta1/echo.proto');"
        node -e "require('google-proto-files').loadSync('schema/google/showcase/v1beta1/identity.proto');"
        node -e "require('google-proto-files').loadSync('schema/google/showcase/v1beta1/messaging.proto');"
        node -e "require('google-proto-files').loadSync('schema/google/showcase/v1beta1/testing.proto');"
        node -e "require('google-proto-files').loadSync('schema/google/showcase/v1beta1/compliance.proto');"
        node -e "require('google-proto-files').loadSync('schema/google/showcase/v1beta1/sequence.proto');"
  push-generated-sources:
    needs: [regenerate, lint, tests, probes]
    runs-on: ubuntu-latest
    if: github.ref == 'refs/heads/main' && needs.regenerate.outputs.modified_files
    steps:
    - uses: actions/checkout@v3
      with:
        ref: main
    - uses: actions/download-artifact@v3
      with:
        name: regenerated-sources
    - name: Expand regen archive
      run: |
        tar xvzf regen.tgz
        rm regen.tgz
    - uses: googleapis/code-suggester@v4
      env:
        ACCESS_TOKEN: ${{ secrets.YOSHI_CODE_BOT_TOKEN }}  
      with:
        command: pr
        upstream_owner: googleapis
        upstream_repo: gapic-showcase
        description: 'Regenerated sources resulting from most recent commit to main'
        title: 'chore: regenerate sources'
        message: 'chore: regenerate sources'
        primary: 'main'
        branch: regen
        git_dir: '.'
        force: true
    - name: Add automerge label to pull request
      uses: actions/github-script@v6
      with:
        script: |
          github.rest.issues.addLabels({
            issue_number: ${{ steps.code_suggester.outputs.pull }},
            owner: context.repo.owner,
            repo: context.repo.repo,
            labels: ['automerge']
          })