publish-image-manager.yml

# push main/master 或 tag 时：构建并推送 Manager 镜像到 GHCR
name: Publish image (Manager)

on:
  push:
    branches:
      - main
      - master
    tags:
      - 'v*'
  workflow_dispatch:

concurrency:
  group: publish-manager-${{ github.ref }}
  cancel-in-progress: true

permissions:
  contents: read
  packages: write

env:
  REGISTRY: ghcr.io
  IMAGE_NAME: ${{ github.repository }}

jobs:
  build:
    name: Build and push Manager image
    runs-on: ubuntu-latest
    timeout-minutes: 45
    steps:
      - name: Checkout
        uses: actions/checkout@v6
        with:
          fetch-depth: 0

      - name: Verify build context (Dockerfile 所需源码与配置齐全)
        id: verify
        run: |
          set -e
          MISSING=""
          [ ! -f go.mod ]                  && MISSING="${MISSING} go.mod"
          [ ! -f go.sum ]                  && MISSING="${MISSING} go.sum"
          [ ! -d cmd ]                     && MISSING="${MISSING} cmd/"
          [ ! -d cmd/runner-manager ]      && MISSING="${MISSING} cmd/runner-manager/"
          [ ! -d internal ]                && MISSING="${MISSING} internal/"
          [ ! -f config.yaml.example ]    && MISSING="${MISSING} config.yaml.example"
          [ ! -f scripts/install-runner.sh ] && MISSING="${MISSING} scripts/install-runner.sh"
          if [ -z "$MISSING" ]; then
            echo "has_go_source=true" >> $GITHUB_OUTPUT
          else
            echo "has_go_source=false" >> $GITHUB_OUTPUT
            echo "::warning::Manager 构建所需文件缺失（$MISSING），跳过构建。请在本仓库提交并推送完整源码后再构建。"
          fi

      - name: Set up QEMU
        if: steps.verify.outputs.has_go_source == 'true'
        uses: docker/setup-qemu-action@v3

      - name: Set up Docker Buildx
        if: steps.verify.outputs.has_go_source == 'true'
        uses: docker/setup-buildx-action@v3

      - name: Log in to GHCR
        if: steps.verify.outputs.has_go_source == 'true'
        uses: docker/login-action@v3
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Compute canonical image name (lowercase)
        if: steps.verify.outputs.has_go_source == 'true'
        id: vars
        shell: bash
        run: |
          set -eu
          IMAGE_REF="${IMAGE_NAME:-$GITHUB_REPOSITORY}"
          CANONICAL_IMAGE="${REGISTRY}/${IMAGE_REF,,}"
          echo "canonical=${CANONICAL_IMAGE}" >> "$GITHUB_OUTPUT"

      - name: Get version for build
        if: steps.verify.outputs.has_go_source == 'true'
        id: version
        run: |
          VERSION=$(git describe --tags --abbrev=0 2>/dev/null || echo "dev-$(git rev-parse --short HEAD)")
          echo "version=$VERSION" >> $GITHUB_OUTPUT

      - name: Extract Docker metadata (tags, labels)
        if: steps.verify.outputs.has_go_source == 'true'
        id: meta
        uses: docker/metadata-action@v5
        with:
          images: ${{ steps.vars.outputs.canonical }}
          tags: |
            type=ref,event=branch
            type=ref,event=tag
            type=sha,format=short,prefix=sha-
            type=semver,pattern={{version}},enable=${{ startsWith(github.ref, 'refs/tags/v') }}
            type=semver,pattern={{major}}.{{minor}},enable=${{ startsWith(github.ref, 'refs/tags/v') }}
            type=semver,pattern={{major}},enable=${{ startsWith(github.ref, 'refs/tags/v') }}
            type=raw,value=latest,enable=${{ github.ref == 'refs/heads/main' || github.ref == 'refs/heads/master' || startsWith(github.ref, 'refs/tags/v') }}

      # Dockerfile 内已 COPY config.yaml.example 为 config/config.yaml 并 sed，无需在 workflow 中准备

      - name: Build and push Manager image
        if: steps.verify.outputs.has_go_source == 'true'
        uses: docker/build-push-action@v6
        with:
          context: ${{ github.workspace }}
          file: ${{ github.workspace }}/Dockerfile
          push: true
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}
          build-args: |
            VERSION=${{ steps.version.outputs.version || 'dev' }}
          platforms: linux/amd64,linux/arm64
          cache-from: type=gha
          cache-to: type=gha,mode=max