added: cosgin simple and oci workflow #16
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| name: Sign Helm chart artifact | |
| on: | |
| workflow_dispatch: | |
| push: | |
| branches: | |
| - main | |
| jobs: | |
| sign: | |
| name: Sign ${{ matrix.case.name }} | |
| runs-on: ubuntu-latest | |
| permissions: | |
| id-token: write | |
| strategy: | |
| fail-fast: false | |
| matrix: | |
| case: | |
| - name: TGZ Helm chart artifact | |
| sign: | | |
| cosign sign-blob -y my-app-1.0.0.tgz \ | |
| --bundle my-app-1.0.0.tgz.cosign.bundle | |
| verify: | | |
| cosign verify-blob my-app-1.0.0.tgz \ | |
| --bundle my-app-1.0.0.tgz.cosign.bundle \ | |
| --certificate-oidc-issuer "https://token.actions.githubusercontent.com" \ | |
| --certificate-identity "https://github.com/${GITHUB_WORKFLOW_REF}" | |
| - name: OCI Helm chart artifact | |
| sign: | | |
| helm push my-app-1.0.0.tgz oci://ttl.sh/charts &> push-metadata.txt | |
| CHART_DIGEST=$(awk '/Digest: /{print $2}' push-metadata.txt) | |
| echo "CHART_DIGEST=${CHART_DIGEST}" | tee -a $GITHUB_ENV | |
| cosign sign -y "ttl.sh/charts/my-app@${CHART_DIGEST}" | |
| verify: | | |
| cosign verify "ttl.sh/charts/my-app@${CHART_DIGEST}" \ | |
| --certificate-oidc-issuer "https://token.actions.githubusercontent.com" \ | |
| --certificate-identity "https://github.com/${GITHUB_WORKFLOW_REF}" | |
| steps: | |
| - name: Checkout Code | |
| uses: actions/checkout@v3 | |
| - name: Setup Cosign | |
| uses: sigstore/cosign-installer@main | |
| - name: Create Helm chart package | |
| run : helm package charts/my-app | |
| - name: Sign Helm chart package | |
| run : ${{ matrix.case.sign }} | |
| - name: Verify Helm chart package | |
| run : ${{ matrix.case.verify }} |