hostlookuper.yaml

name: hostlookuper

on:
  pull_request:
  push:

jobs:
  check-dockerhub-token:
    runs-on: ubuntu-latest
    outputs:
      HAS_DOCKERHUB_TOKEN: ${{ steps.dockerhub-token.outputs.HAS_DOCKERHUB_TOKEN }}
    steps:
      - id: dockerhub-token
        env:
          HAS_DOCKERHUB_TOKEN: ${{ secrets.DOCKERHUB_TOKEN != '' }}
        run: |
          echo "HAS_DOCKERHUB_TOKEN=$HAS_DOCKERHUB_TOKEN" >> $GITHUB_OUTPUT
          echo "HAS_DOCKERHUB_TOKEN=$HAS_DOCKERHUB_TOKEN" >> $GITHUB_STEP_SUMMARY

  lint:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - uses: actions/setup-go@v5
        with:
          go-version: 1.22
      - name: Install golangci-lint
        uses: golangci/golangci-lint-action@master
        with:
          version: v1.56.2

  build:
    needs:
      - lint
      - check-dockerhub-token
    if: |
      !startsWith(github.ref, 'refs/tags/v') &&
      needs.check-dockerhub-token.outputs.HAS_DOCKERHUB_TOKEN == 'true'
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v4
        with:
          fetch-depth: 0
      - name: Set up Go
        uses: actions/setup-go@v5
        with:
          go-version: 1.22
      - name: Login to DockerHub
        uses: docker/login-action@v3
        with:
          username: ${{ secrets.DOCKERHUB_USERNAME }}
          password: ${{ secrets.DOCKERHUB_TOKEN }}
      - name: Run GoReleaser
        uses: goreleaser/goreleaser-action@v6
        with:
          distribution: goreleaser
          version: latest
          args: release --clean --snapshot
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
      - name: List snapshot images
        run: |
          docker image ls --format "{{.Repository}}:{{.Tag}}" | \
            grep -e "$GITHUB_REPOSITORY:.*$(git rev-parse --short HEAD).*" | \
            paste -sd ' ' /dev/stdin > images
      - name: Push snapshot images
        run: |
          cat images | xargs -d ' ' -I{} -n1 sh -c "docker push {}"
      - name: Create and push manifest for :snapshot tag
        run: |
          docker manifest create $GITHUB_REPOSITORY:snapshot $(cat images)
          docker manifest push $GITHUB_REPOSITORY:snapshot

  release:
    needs:
      - lint
      - check-dockerhub-token
    if: |
      startsWith(github.ref, 'refs/tags/v') &&
      needs.check-dockerhub-token.outputs.HAS_DOCKERHUB_TOKEN == 'true'
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v4
        with:
          fetch-depth: 0
      - name: Set up Go
        uses: actions/setup-go@v5
        with:
          go-version: 1.22
      - name: Login to DockerHub
        uses: docker/login-action@v3
        with:
          username: ${{ secrets.DOCKERHUB_USERNAME }}
          password: ${{ secrets.DOCKERHUB_TOKEN }}
      - name: Run GoReleaser
        uses: goreleaser/goreleaser-action@v6
        with:
          distribution: goreleaser
          version: latest
          args: release --clean
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}