fix(ci): emit verifiable backend signature bundles - #11366
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Cosign v2.4.1 does not select the Sigstore bundle format by default, while LocalAI's verifier only consumes OCI bundle referrers. Request the format explicitly for both registries and guard the producer contract with a shell regression test. Document strict backend integrity configuration and release-tag identities for operators. Assisted-by: Codex:gpt-5
mudler
approved these changes
Aug 5, 2026
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Summary
Root cause
The producer stopped passing
--new-bundle-format, butpkg/oci/cosignverifydeliberately discovers only OCI 1.1 Sigstore bundle referrers. The published signatures therefore existed but could not be consumed by LocalAI strict integrity mode.Testing
bash scripts/build/backend-signing_test.shmake test-build-scriptsLOCALAI_BACKEND_GALLERIESJSON parsed withjq -egit diff --checkHugo, actionlint, and cosign are not installed in the local cron environment; CI will exercise the repository workflow and docs checks.
Closes #11361