go.yml

# Copyright 2023 Google LLC
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#      http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

name: Build and Test

on:
  push:
    branches:
    - 'main'
  pull_request:

jobs:
  build:
    runs-on: ubuntu-latest
    strategy:
      fail-fast: false
      matrix:
        version: ["stable"]
        command: ["build", "vet", "lint", "test", "testrace"]
    steps:
    - name: Check out repository
      uses: actions/checkout@v3

    - name: Set up Go
      uses: actions/setup-go@v4
      with:
        go-version: ${{ matrix.version }}
        cache: true

    - name: Cache linter
      uses: actions/cache@v3
      with:
        path: ~/go/bin/staticcheck
        key: staticcheck-v0.4.3
      if: ${{ matrix.command == 'lint' }}

    - name: Install linter
      run: go install honnef.co/go/tools/cmd/staticcheck@v0.4.3
      if: ${{ matrix.command == 'lint' }}

    - name: Build the weaver binary
      run: cd cmd/weaver-kube; go build .
      if: ${{ matrix.command == 'test' || matrix.command == 'testrace' }}

    - name: ${{ matrix.command }}
      run: ./dev/build_and_test ${{ matrix.command }}

  generate:
    runs-on: ubuntu-latest
    strategy:
      fail-fast: false
      matrix:
        version: ["stable"]
    steps:
    - name: Check out repository
      uses: actions/checkout@v3

    - name: Set up Go
      uses: actions/setup-go@v4
      with:
        go-version: ${{ matrix.version }}
        cache: true

    - name: Cache protoc-gen-go
      uses: actions/cache@v3
      with:
        path: ~/go/bin/protoc-gen-go
        key: protoc-gen-go-v1.26

    - name: Cache addlicense
      uses: actions/cache@v3
      with:
        path: ~/go/bin/addlicense
        key: addlicense-v1.1.1

    - name: Install protoc
      run: sudo apt install -y protobuf-compiler

    - name: Install protoc-gen-go
      run: go install google.golang.org/protobuf/cmd/protoc-gen-go@v1.26

    - name: Install addlicense
      run: go install github.com/google/addlicense@v1.1.1

    - name: Install weaver
      run: go install github.com/ServiceWeaver/weaver/cmd/weaver

    - name: Generate code
      run: ./dev/build_and_test generate

    - name: Check spurious changes
      run: |
        # TODO(mwhittaker): Check .pb.go files.
        # Exclude .pb.go files, as the protoc version may differ.
        if [[ $(git ls-files --modified --others | grep -v '.*\.pb\.go') ]]; then
          for f in $(git ls-files --modified); do
            if ! [[ $f == *.pb.go ]]; then
              echo "❌ File $f modified."
              git diff "$f"
            fi
          done
          for f in $(git ls-files --others); do
            echo "❌ File $f untracked."
          done
          echo "Run './dev/build_and_test generate' and commit the changes."
          exit 1
        fi
        echo "Success ✅"