artifacts/.github/workflows/offline-package-k3s-installer.yaml

name: Build Offline K3s Installer

on:
  push:
    paths:
      - 'scripts/make_k3s_offline_package.sh'
      - 'scripts/resolve_k3s_versions.sh'
      - '.github/workflows/offline-package-k3s-installer.yaml'
  workflow_dispatch:

jobs:
  build-k3s-installer:
    strategy:
      matrix:
        arch: [amd64, arm64]
    runs-on: ubuntu-latest
    outputs:
      k3s_version: ${{ steps.resolve.outputs.version }}

    steps:
      - name: Checkout Repo
        uses: actions/checkout@v4

      - name: Set up QEMU
        uses: docker/setup-qemu-action@v3

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v3

      - name: Install dependencies
        run: |
          export NERDCTL_VERSION=2.0.4
          sudo apt-get update && sudo apt-get install -y curl jq tar tree
          # 安装 K3s
          curl -sfL https://get.k3s.io | sh -
          # 设置 kubeconfig
          mkdir -p $HOME/.kube
          sudo cp /etc/rancher/k3s/k3s.yaml $HOME/.kube/config
          sudo chown $USER:$USER $HOME/.kube/config
          # 安装 nerdctl
          sudo curl -LO https://github.com/containerd/nerdctl/releases/download/v${NERDCTL_VERSION}/\
            nerdctl-${NERDCTL_VERSION}-linux-amd64.tar.gz
          sudo tar -C /usr/local/bin -xzf nerdctl-${NERDCTL_VERSION}-linux-amd64.tar.gz
          sudo chmod +x /usr/local/bin/nerdctl

          # k3s 测试
          kubectl get nodes
          kubectl get pods -A

          # nerdctl 测试
          sudo nerdctl --version
          sudo nerdctl --namespace k8s.io --address /run/k3s/containerd/containerd.sock ps          

      - name: Resolve latest k3s version
        id: resolve
        run: |
          set -euo pipefail
          bash scripts/resolve_k3s_versions.sh          

      - name: Run Offline Package Builder
        env:
          K3S_VERSION: ${{ steps.resolve.outputs.version }}
        run: |
          chmod +x scripts/make_k3s_offline_package.sh
          ARCH=${{ matrix.arch }} VERSION=${K3S_VERSION} ./scripts/make_k3s_offline_package.sh          

      - name: Compress Offline Installer
        run: |
          tar czvf k3s-offline-package-${{ matrix.arch }}.tar.gz k3s-offline-package          

      - name: Upload Artifact
        uses: actions/upload-artifact@v4
        with:
          name: k3s-offline-package-${{ matrix.arch }}
          path: k3s-offline-package-${{ matrix.arch }}.tar.gz

  test-k3s-installer:
    needs: build-k3s-installer
    strategy:
      matrix:
        arch: [amd64]
    runs-on: ubuntu-latest

    steps:
      - name: Download Artifact
        uses: actions/download-artifact@v4
        with:
          name: k3s-offline-package-${{ matrix.arch }}
          path: ./test-dir

      - name: Extract Package
        run: |
          cd test-dir
          tar -xzvf k3s-offline-package-${{ matrix.arch }}.tar.gz          

      - name: Setup K3s and Test
        run: |
          cd test-dir/k3s-offline-package
          bash install-server.sh
          KUBECONFIG=/etc/rancher/k3s/k3s.yaml kubectl get nodes
          KUBECONFIG=/etc/rancher/k3s/k3s.yaml kubectl get pods -A          

  publish-release:
    needs: test-k3s-installer
    runs-on: ubuntu-latest
    env:
      tag_name: offline-k3s-${{ needs.build-k3s-installer.outputs.k3s_version }}

    steps:
      - uses: actions/checkout@v4

      - name: Create GitHub Release
        id: create_release
        uses: actions/create-release@v1
        with:
          tag_name: ${{ env.tag_name }}
          release_name: Daily Build ${{ env.tag_name }}
          draft: false
          prerelease: false
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

      - name: Download amd64 Artifact
        uses: actions/download-artifact@v4
        with:
          name: k3s-offline-package-amd64
          path: release-artifacts

      - name: Download arm64 Artifact
        uses: actions/download-artifact@v4
        with:
          name: k3s-offline-package-arm64
          path: release-artifacts

      - name: Upload to GitHub Release
        uses: softprops/action-gh-release@v1
        with:
          tag_name: ${{ env.tag_name }}
          files: |
            release-artifacts/k3s-offline-package-amd64.tar.gz
            release-artifacts/k3s-offline-package-arm64.tar.gz            
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

      - name: Prune old releases (keep last 3)
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        run: |
          set -euo pipefail
          releases=$(gh release list --limit 100 --json tagName,createdAt --jq 'sort_by(.createdAt) | reverse | .[3:] | .[].tagName')
          if [[ -n "$releases" ]]; then
            for tag in $releases; do
              gh release delete "$tag" -y
            done
          fi