Build and sign #386
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| name: Build and sign | |
| on: | |
| schedule: | |
| - cron: '0 14 * * *' | |
| workflow_dispatch: | |
| jobs: | |
| build-and-sign: | |
| name: "Build and sign kubectl" | |
| runs-on: ubuntu-latest | |
| permissions: | |
| packages: write | |
| id-token: write | |
| steps: | |
| - | |
| name: Find latest kubectl version | |
| run: | | |
| KUBECTL_VER="$(curl https://storage.googleapis.com/kubernetes-release/release/stable-1.27.txt)" | |
| echo "kubectl_ver=${KUBECTL_VER}" >> $GITHUB_ENV | |
| - | |
| run: echo "kubectl binary is at version ${{ env.kubectl_ver }}" | |
| - | |
| name: Stop if ${{ github.repository_owner }}/kubectl:${{ env.kubectl_ver }} in repo already | |
| id: check-in-repo | |
| run: | | |
| # fake no-op token, image is public | |
| TOKEN=$(curl https://ghcr.io/token\?scope\="repository:${{ github.repository_owner }}/kubectl:pull" | jq .token | tr -d \") | |
| if curl -H "Authorization: Bearer $TOKEN" https://ghcr.io/v2/${{ github.repository_owner }}/kubectl/tags/list \ | |
| | grep \"${{ env.kubectl_ver }}\"; | |
| then | |
| echo "${{ github.repository_owner }}/kubectl:${{ env.kubectl_ver }} is in repo already" | |
| echo "image-exists=true" >> $GITHUB_ENV | |
| fi | |
| - | |
| uses: sigstore/cosign-installer@v3 | |
| if: env.image-exists != 'true' | |
| - | |
| name: Checkout code | |
| if: env.image-exists != 'true' | |
| uses: actions/checkout@v3 | |
| - | |
| name: Download and verify kubectl | |
| if: env.image-exists != 'true' | |
| run: ./download-kubectl.sh ${{ env.kubectl_ver }} | |
| - | |
| name: Set up QEMU | |
| if: env.image-exists != 'true' | |
| uses: docker/setup-qemu-action@v2 | |
| with: | |
| platforms: 'arm64' | |
| - | |
| name: Set up Docker Buildx | |
| if: env.image-exists != 'true' | |
| uses: docker/setup-buildx-action@v2 | |
| - | |
| name: Login to GitHub Container Registry | |
| if: env.image-exists != 'true' | |
| uses: docker/login-action@v2 | |
| with: | |
| registry: ghcr.io | |
| username: ${{ github.repository_owner }} | |
| password: ${{ secrets.GITHUB_TOKEN }} | |
| - | |
| name: Build and push tagged container image | |
| id: build-image | |
| if: env.image-exists != 'true' | |
| uses: docker/build-push-action@v3 | |
| with: | |
| context: . | |
| platforms: linux/amd64, linux/arm64 | |
| push: true | |
| tags: | | |
| ghcr.io/${{ github.repository_owner }}/kubectl:${{ env.kubectl_ver }} | |
| - | |
| name: Sign the image | |
| if: env.image-exists != 'true' | |
| run: | | |
| cosign sign --yes \ | |
| ghcr.io/${{ github.repository_owner }}/kubectl@${{ steps.build-image.outputs.digest }} |