release.yaml

---
name: Release

on:
  workflow_run:
    types:
      - completed
    workflows:
      - "ci"
jobs:
  create-release:
    name: Create Release
    runs-on: ubuntu-latest
    if: ${{ github.event.workflow_run.conclusion == 'success' && contains(github.event.workflow_run.head_branch, 'release/') }}
    outputs:
      tag: ${{ needs.check-gomod-deps.outputs.tag }}
    steps:
      - name: Checkout repository
        uses: actions/checkout@v2
        with:
          ref: refs/heads/${{github.event.workflow_run.head_branch}}

      - name: Push tag ${{ needs.check-gomod-deps.outputs.tag }}
        run: |
          git status
          git tag ${{ needs.check-gomod-deps.outputs.tag }}
          git push origin ${{ needs.check-gomod-deps.outputs.tag }} -f
      - name: Create release ${{ needs.check-gomod-deps.outputs.tag }}
        uses: actions/create-release@v1
        env:
          GITHUB_TOKEN: ${{ secrets.NSM_BOT_GITHUB_TOKEN }}
        with:
          tag_name: refs/tags/${{ needs.check-gomod-deps.outputs.tag }}
          release_name: ${{ needs.check-gomod-deps.outputs.tag }}
          draft: false
          prerelease: false

  docker:
    runs-on: ubuntu-latest
    if: ${{ github.event.workflow_run.conclusion == 'success' && contains(github.event.workflow_run.head_branch, 'release/') }}
    steps:
      - name: "Checkout"
        uses: actions/checkout@v2
        with:
          ref: refs/heads/${{github.event.workflow_run.head_branch}}

      - uses: actions/setup-go@v1
        with:
          go-version: 1.17
      - name: "Build coredns binary"
        run: |
          go build -o coredns/coredns coredns/main.go

      - name: "Set up Docker Buildx"
        uses: docker/setup-buildx-action@v1

      - name: "Login to GitHub Container Registry"
        uses: docker/login-action@v1
        with:
          registry: ghcr.io
          username: ${{ github.repository_owner }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Get tag
        run: |
          branch=${{github.event.workflow_run.head_branch}}
          echo '::set-output name=tag::'${branch#release/}
        id: get-tag-step

      - name: "Build and push"
        uses: docker/build-push-action@v2
        with:
          file: coredns/Dockerfile
          context: .
          push: true
          tags: "ghcr.io/${{ github.repository_owner }}/coredns:${{ steps.get-tag-step.outputs.tag }}"