build.yml

name: build

on:
  push:
    branches: "*"
    tags: "v[0-9]+.[0-9]+.[0-9]+*"

jobs:
  build:
    runs-on: ubuntu-latest
    strategy:
      matrix:
        os: [linux, darwin]
        ar: [amd64]
    outputs:
      version: ${{ steps.version.outputs.version }}
      binary: ${{ steps.build.outputs.binary }}
    steps:
      - uses: actions/setup-go@v2
        with:
          go-version: ^1.14
      - uses: actions/checkout@v2
        with:
          fetch-depth: 0
      - name: version
        id: version
        run: |
          VERSION=$(git describe --tags --always)
          echo version $VERSION
          echo ::set-output name=version::$VERSION
      - name: build
        id: build
        run: |
          GOFLAGS="-ldflags=-X=main.BuildVersion=$VERSION"
          export GOFLAGS

          CGO_ENABLED=0 go build -o $BINARY $PACKAGE

          echo ::set-output name=binary::$BINARY
        env:
          GOOS:   ${{ matrix.os }}
          GOARCH: ${{ matrix.ar }}
          BINARY: pkg-${{ matrix.os }}-${{ matrix.ar }}
          VERSION: ${{ steps.version.outputs.version }}
      - id: test
        run: |
          go test -v $PACKAGE/...
      - uses: actions/upload-artifact@v2
        with:
          name: ${{ steps.build.outputs.binary }}
          path: ${{ steps.build.outputs.binary }}

  docker:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v2
        with:
          fetch-depth: 0
      - uses: actions/download-artifact@v2
        with:
          name: pkg-linux-amd64
      - run: chmod a+x pkg-linux-amd64
      - uses: docker/build-push-action@v1
        with:
          repository: ${{ github.repository }}
          tag_with_ref: true
          username: ${{ secrets.DOCKER_HUB_USERNAME }}
          password: ${{ secrets.DOCKER_HUB_PASSWORD }}
        env:
          DOCKER_BUILDKIT: 1
    needs: build

  release:
    runs-on: ubuntu-latest
    outputs:
      upload_url: ${{ steps.create.outputs.upload_url }}
    steps:
      - id: create
        uses: actions/create-release@v1
        with:
          tag_name: ${{ github.ref }}
          release_name: ${{ github.ref }}
          draft: false
          prerelease: ${{ contains(github.ref, '-rc') }}
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
    needs: build
    if: startsWith(github.ref, 'refs/tags')

  assets:
    runs-on: ubuntu-latest
    strategy:
      matrix:
        os: [linux, darwin]
        ar: [amd64]
    steps:
      - uses: actions/download-artifact@v2
        with:
          name: pkg-${{ matrix.os }}-${{ matrix.ar }}
      - run: "shasum *"
      - uses: actions/upload-release-asset@v1
        with:
          upload_url: ${{ needs.release.outputs.upload_url }}
          asset_path: pkg-${{ matrix.os }}-${{ matrix.ar }}
          asset_name: pkg-${{ matrix.os }}-${{ matrix.ar }}
          asset_content_type: application/binary
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
    needs: release

env:
  PACKAGE: github.com/kentik/pkg