.github/workflows/sigstore.yml #8
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
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} |