feat(manager/flux): Allow OCI media type used by flux push artifact to enable Release Notes lookup

[maboehm]

Changes

Adds an additional OCIManifest config media type application/vnd.cncf.flux.config.v1+json, which is used by flux push artifact. Without this, renovate fails to lookup the manifest and in turn cannot fetch information like the sourceUrl that is set in the manifest annotation.

Context

flux push artifact can be used to push Kustomize manifests to an OCI registry, where they can be pulled with the OCIRepository CustomResourceDefinition. Renovate supports updating these references, but does not provide any release notes in the PR. With this change it can.

Error without this change

DEBUG: Invalid manifest response (repository=maboehm/test-renovate-flux-oci)
       "registry": "https://ghcr.io",
       "dockerRepository": "stefanprodan/manifests/podinfo",
       "tag": "latest",
       "body": "{\"schemaVersion\":2,\"mediaType\":\"application/vnd.oci.image.manifest.v1+json\",\"config\":{\"mediaType\":\"application/vnd.cncf.flux.config.v1+json\",\"size\":233,\"digest\":\"sha256:7cd37ea18409c76d241ad0d4ed484e206275be3535782be144ae257d54dd8d50\"},\"layers\":[{\"mediaType\":\"application/vnd.cncf.flux.content.v1.tar+gzip\",\"size\":1113,\"digest\":\"sha256:243a01363756cd6bc04243680d4c9aeac274523f298f9525823db9ae7e188a3c\"}],\"annotations\":{\"org.opencontainers.image.created\":\"2024-10-08T09:02:04Z\",\"org.opencontainers.image.revision\":\"6.7.1/6b7aab8a10d6ee8b895b0a5048f4ab0966ed29ff\",\"org.opencontainers.image.source\":\"https://github.com/stefanprodan/podinfo\"}}",
       "headers": {
         "content-length": "639",
         "content-type": "application/vnd.oci.image.manifest.v1+json",
         "docker-content-digest": "sha256:efff1a4f48b85359f2a1440e29e64a6da105b45303c2c00e8f1e3da39354707c",
         "docker-distribution-api-version": "registry/2.0",
         "etag": "\"sha256:efff1a4f48b85359f2a1440e29e64a6da105b45303c2c00e8f1e3da39354707c\"",
         "date": "Thu, 28 Nov 2024 13:07:48 GMT",
         "x-github-request-id": "B562:43F83:D9AA3A:DDEB42:67486B24"
       },
       "err": {
         "message": "Schema error",
         "stack": "ZodError: Schema error\n    at Object.get error [as error] (/workspaces/renovate/node_modules/.pnpm/[email protected]/node_modules/zod/lib/types.js:55:31)\n    at DockerDatasource.getManifest (/workspaces/renovate/lib/modules/datasource/docker/index.ts:308:23)\n    at processTicksAndRejections (node:internal/process/task_queues:95:5)\n    at async DockerDatasource.getLabels (/workspaces/renovate/lib/modules/datasource/docker/index.ts:478:24)\n    at async /workspaces/renovate/lib/util/cache/package/decorator.ts:134:20\n    at async DockerDatasource.getReleases (/workspaces/renovate/lib/modules/datasource/docker/index.ts:1106:20)\n    at async getRegistryReleases (/workspaces/renovate/lib/modules/datasource/index.ts:85:15)\n    at async fetchReleases (/workspaces/renovate/lib/modules/datasource/index.ts:318:15)\n    at async lookupUpdates (/workspaces/renovate/lib/workers/repository/process/lookup/index.ts:140:56)\n    at async Function.wrap (/workspaces/renovate/lib/util/stats.ts:38:20)\n    at async fetchDepUpdates (/workspaces/renovate/lib/workers/repository/process/fetch.ts:58:42)\n    at async /workspaces/renovate/lib/workers/repository/process/fetch.ts:104:23\n    at async /workspaces/renovate/node_modules/.pnpm/[email protected]/node_modules/p-map/index.js:57:22",
         "issues": {
           "config": {
             "mediaType": "Invalid enum value. Expected 'application/vnd.oci.image.config.v1+json' | 'application/vnd.cncf.helm.config.v1+json' | 'application/vnd.devcontainers' | 'application/vnd.oci.empty.v1+json', received 'application/vnd.cncf.flux.config.v1+json'"
           }
         }
       }

Documentation (please check one with an [x])

• I have updated the documentation, or
• No documentation update is required

How I've tested my work (please select one)

I have verified these changes via:

• Code inspection only, or
• Newly added/modified unit tests, or
• No unit tests but ran on a real repository, or
• Both unit tests + ran on a real repository

This example repo and PR was created to demonstrate this: The PR was created with the latest version of renovate, and then updated with a run that included these changes. https://github.com/maboehm/test-renovate-flux-oci/pull/1

[renovate-release]

🎉 This PR is included in version 39.37.0 🎉

The release is available on:

• GitHub release
• npm package (@latest dist-tag)
• 39.37.0

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