.github/workflows/sigstore.yml #5
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| on: | |
| ## This workflow only runs on the default branch | |
| check_suite: | |
| types: [completed] | |
| jobs: | |
| sign: | |
| runs-on: ubuntu-latest | |
| permissions: | |
| contents: read | |
| id-token: write | |
| name: Sign Chart | |
| steps: | |
| - name: Checkout | |
| uses: actions/checkout@main | |
| with: | |
| fetch-depth: 0 | |
| - name: Install Cosign | |
| uses: sigstore/cosign-installer@v3.7.0 | |
| - name: Check Cosign | |
| run: cosign version | |
| - name: Cosign with OIDC | |
| run: | | |
| # Get the latest tag | |
| LATEST_TAG=$(git describe --tags 'git rev-list --tags --max-count=1') | |
| # Obtain the digest from this tag | |
| DIGEST=$(curl "https://hub.docker.com/v2/repositories/snyk/snyk-universal-broker/tags/${LATEST_TAG}" | jq '.digest' -r) | |
| # Sign the image, using GitHub as an OIDC provider | |
| cosign sign --yes oci://registry-1.docker.io/snyk/snyk-universal-broker-helm@${DIGEST} | |
| - name: Verify signature | |
| run: | | |
| cosign verify oci://registry-1.docker.io/snyk/snyk-universal-broker-helm@${DIGEST} | |
| cosign verify oci://registry-1.docker.io/snyk/snyk-universal-broker-helm@${LATEST_TAG} |