Harbor UI fails to render readme & values for charts in OCI

[dkulchinsky]

If you are reporting a problem, please make sure the following information are provided:

Expected behavior and actual behavior:
This is the same issue that was reported in #16387 which we still encounter, and based on recent reports in that issue, we're not the only ones.

When accessing a Helm chart sored in OCI the README & Values won't render and we see a Unknown errors have occurred. Please try again later. error.

This is affecting a large percentage of the charts, but not all of them, they are all pushed using Helm v3.11.1 CLI and then signed with cosign.

Pull the chart works fine.

Steps to reproduce the problem:
Repro steps can be found here: #16387 (comment)

Versions:
Please specify the versions of following systems.

• harbor version: 2.7.1
• docker engine version: N/A
• docker-compose version: N/A

Additional context:

harbor-core-7bb45668c-gmd4h core 2024-04-11T14:49:49Z [ERROR] [/lib/http/error.go:56]: {"errors":[{"code":"UNKNOWN","message":"unknown: gzip: invalid header"}]}

[mcoreix]

#20252

[zyyw]

dup of #20252. Let's track it there. Closing this issue now.