Sudden increase in TOOMANYREQUESTS errors when downloading artifacts from GHCR

[knqyf263]

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We've been using GitHub Container Registry (GHCR) to download artifacts for our open-source project. However, since earlier this week, we've been experiencing frequent TOOMANYREQUESTS errors. For example:

21:00:22 - GET https://ghcr.io/v2/aquasecurity/trivy-db/blobs/sha256:15a6fd375dca7d4d11fde458d5ba5f3fa60832e93da70143ad9e9e188d8d8c07: TOOMANYREQUESTS: retry-after: 576.466µs, allowed: 44000/minute

We're aware of the rate limiting policies, but this issue has suddenly started occurring in environments where we've never seen TOOMANYREQUESTS errors before. Moreover, many of our users have reported seeing these errors since earlier this week.

This leads us to wonder if there might have been a change on GitHub's side. We've checked the GitHub Status page for any relevant incidents but couldn't find anything that seems related.

We'd greatly appreciate any information or insights.

[billhammond-dev]

aquasecurity/trivy-action#389 - workaround using your own registry for the DB.

[sakky016]

Hi @knqyf263,

I see that java-db publishing jobs are failing from last few days: https://github.com/aquasecurity/trivy-java-db/actions.

New java-db is not available and the already available java-db's metadata.json shows past date for NextUpdate. This would cause trivy to download java-db again and again on each run even though it had downloaded java-db successfully.

"NextUpdate":"2024-09-23T01:06:28.762321626Z"

I suspect this could be an issue for the increased TOOMANYREQUESTS in ghcr.io.

[knqyf263]

Thanks for the heads-up. We'll look into it tomorrow.
aquasecurity/trivy-java-db#34

[knqyf263]

@sakky016 This is not a thread to talk about Trivy. Please open a discussion in Trivy.

[schnatterer]

I get the impression that this rate limit hits us even as authenticated users, and sometimes even when pulling the trivy image itself.

Could this be a global rate limit on the ghcr.io/aquasecurity repo?

[mmusenbr]

I also got this impression, I tried a proxy-cache for ghcr with a cache timeout bigger than the github normal rate limit reset time, and I still see the issue randomly. Also if I configure a auth-token, the same happens from time to time.
Switching to the public.ecr.aws now.

[schnatterer]

Easiest workaround at the moment, use the official mirror at AWS, e.g.

 trivy image \
  --db-repository public.ecr.aws/aquasecurity/trivy-db \
  --java-db-repository public.ecr.aws/aquasecurity/trivy-java-db \
  --scanners vuln \
  ghcr.io/cloudogu/gitops-playground:0.7.0

The upcoming release trivy 0.56 might fix this issue.

Found here: aquasecurity/trivy-action#389

BTW before I found that out, I create a GitHub Action that mirrors the trivy database automatically:
https://github.com/cloudogu/trivy-db-mirror/blob/12a100bc764e4efdf3f480866a9a2db0c89cdd57/.github/workflows/mirror-dbs.yml

It worked, but with an official mirror, there is no need for me to maintain this repo. It might be useful for anyone else who might want to mirror the DBs. They are just simple OCI artifacts.

[hcguersoy-cg]

Made my day, thank you!

[kaiorafael]

Thank you very much

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[ivan-sre]

I'm not sure it's related, but it works properly on ubuntu-22.04 github runners.
Please aware that ubuntu-latest is pointing to ubuntu-24.04 now

[TicianoH]

no reply from GitHub officially? Have you reached out to them as customers directly? Thanks for the post @knqyf263