Sign images using cosign
What does this MR do?
Sign the build images with cosign and upload the signatures also to the registry. This is the first iteration mentioned in #467 (comment 1511591416)
Verifying images built by this MR's pipeline
$ export CI_COMMIT_REF_SLUG="467-sign-images-using-cosign"
$ export IMAGE_TAG=${CI_COMMIT_REF_SLUG}
$ cosign verify "registry.gitlab.com/gitlab-org/build/cng/gitlab-go:${IMAGE_TAG}" --certificate-identity "https://gitlab.com/gitlab-org/build/CNG//.gitlab-ci.yml@refs/heads/${CI_COMMIT_REF_SLUG}" --certificate-oidc-issuer "https://gitlab.com"
Related issues
Closes #467 (closed)
Checklist
See Definition of done.
For anything in this list which will not be completed, please provide a reason in the MR discussion
Required
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Merge Request Title, and Description are up to date, accurate, and descriptive -
MR targeting the appropriate branch -
MR has a green pipeline on GitLab.com -
When ready for review, MR is labeled "~workflow::ready for review" per the Distribution MR workflow
Expected (please provide an explanation if not completing)
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Test plan indicating conditions for success has been posted and passes -
Documentation created/updated -
Integration tests added to GitLab QA -
The impact any change in container size has should be evaluated -
New dependencies are managed with dependencies.io
Edited by Robert Marshall