Kyverno by default mutates the tag to digest and when it does the ima… #147
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| name: Publish and Sign Container Image | |
| on: | |
| schedule: | |
| - cron: '32 11 * * *' | |
| push: | |
| branches: [ main ] | |
| # Publish semver tags as releases. | |
| tags: [ 'v*.*.*' ] | |
| pull_request: | |
| branches: [ main ] | |
| jobs: | |
| build: | |
| runs-on: ubuntu-latest | |
| permissions: | |
| contents: read | |
| packages: write | |
| id-token: write | |
| steps: | |
| - name: Checkout repository | |
| uses: actions/checkout@v2 | |
| - name: Install cosign | |
| uses: sigstore/[email protected] | |
| - name: Check install! | |
| run: cosign version | |
| - name: Setup Docker buildx | |
| uses: docker/setup-buildx-action@v2 | |
| - name: Log into ghcr.io | |
| uses: docker/login-action@master | |
| with: | |
| registry: ghcr.io | |
| username: ${{ github.actor }} | |
| password: ${{ secrets.GITHUB_TOKEN }} | |
| - name: Build and push container image | |
| id: push-step | |
| uses: docker/build-push-action@master | |
| with: | |
| push: true | |
| tags: ghcr.io/${{ github.repository }}:latest | |
| - name: Sign the images with GitHub OIDC Token | |
| env: | |
| DIGEST: ${{ steps.push-step.outputs.digest }} | |
| TAGS: ghcr.io/${{ github.repository }} | |
| COSIGN_EXPERIMENTAL: "true" | |
| run: | | |
| echo "dont sign image" | |
| cosign sign --yes "${TAGS}@${DIGEST}" | |
| - name: (optional) Verify the images | |
| run: | | |
| cosign verify ghcr.io/whoissqr/cg-test-keyless-sign \ | |
| --certificate-identity https://github.com/whoissqr/cg-test-keyless-sign/.github/workflows/main.yml@refs/heads/main \ | |
| --certificate-oidc-issuer https://token.actions.githubusercontent.com | jq | |
| - name: Create k3s cluster | |
| uses: debianmaster/actions-k3s@master | |
| id: k3s | |
| with: | |
| version: 'latest' | |
| - name: Install Kyverno chart | |
| run: | | |
| helm repo add kyverno https://kyverno.github.io/kyverno/ | |
| helm repo update | |
| helm install --atomic kyverno kyverno/kyverno -n kyverno --create-namespace | |
| sleep 10 | |
| - name: Apply image attestation policy | |
| run: | | |
| kubectl apply -f ./k3s/policy-check-image-keyless.yaml | |
| - name: Deploy pod to k3s | |
| if: always() | |
| run: | | |
| kubectl create ns app | |
| kubectl apply -f ./k3s/pod.yaml | |
| kubectl -n app wait --for=condition=Ready pod/cg | |
| kubectl get pods -n app | |
| - name: (optional) Install Kyverno CLI | |
| if: always() | |
| uses: kyverno/[email protected] | |
| with: | |
| release: 'v1.9.5' | |
| - name: (optional) Dry run policy using Kyverno CLI | |
| if: always() | |
| run: | | |
| kyverno version | |
| # kyverno apply ./k3s/policy-check-image-keyless.yaml --cluster -v 10 | |
| kubectl get clusterpolicies -o yaml | kyverno apply - --resource ./k3s/pod.yaml -v 10 | |