release.yml

name: Build and release
on:
  # Runs automatically when a tag beginning with 'v' (i.e. a versioned release) is pushed.
  push:
    tags:
      - v*
    branches: [main]
  pull_request:
    branches: [main]

jobs:
  build-release:
    runs-on: ubuntu-20.04
    permissions:
      contents: read
    steps:
      - uses: actions/setup-go@v4
        with:
          go-version: '1.21.4'

      - uses: actions/checkout@v4
        with:
          persist-credentials: false

      - name: build binary
        run: go build -ldflags "-X github.com/letsencrypt/unbound_exporter/util.BuildID=$(git rev-parse --short HEAD) -X github.com/letsencrypt/unbound_exporter/util.BuildBranch=$(git rev-parse --abbrev-ref HEAD) -X github.com/letsencrypt/unbound_exporter/util.BuildTime=$(date +%F-%T -u)"

      - name: install nfpm
        run: go install github.com/goreleaser/nfpm/v2/cmd/nfpm@v2.15.1

      - name: build deb
        run: nfpm package -p deb -t unbound_exporter.deb

      - name: upload deb
        uses: actions/upload-artifact@v3
        with:
          name: unbound_exporter deb artifact
          path: unbound_exporter.deb

  push-release:
    if: github.event_name == 'push' && contains(github.ref, 'refs/tags/')
    needs: build-release
    runs-on: ubuntu-20.04
    # Overrides the org default of 'read'. This allows us to upload and post the
    # resulting package file as part of a release.
    permissions:
      contents: write
    steps:
      - uses: actions/checkout@v2
        with:
          persist-credentials: false

      - name: Download release artifact
        uses: actions/download-artifact@v3
        with:
          name: unbound_exporter deb artifact

      - name: rename
        run: mv unbound_exporter.deb unbound_exporter-${GITHUB_REF_NAME}.x86_64.deb

      - name: push release
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        # https://cli.github.com/manual/gh_release_create
        run: gh release create "${GITHUB_REF_NAME}" unbound_exporter-${GITHUB_REF_NAME}.x86_64.deb