[pbs-devel] [PATCH proxmox{, -backup} v2 0/4] s3: extend config by provider-quirks and client options by feature list

[Lukas Wagner]

On Tue Jul 29, 2025 at 10:17 AM CEST, Christian Ebner wrote:
> These patches extend the s3 client configuration by the additional
> `provider-quirks` enum, allowing to switch to provider specific implementation
> details. The provider specific quirks are then mapped to a list of features and
> limitations, added to the s3 client options.
>
> As first use-case, the `If-None-Match` header is not set during put object
> requests to Backblaze B2 or Infomaniak object stores, as these fail with an
> error with status code 501, therefore chunk uploads will fail.
>
> The patches expose the provider quirks also in an dropdown list in the advanced
> column of the s3 endpoint edit window.
>

Looks good to me:

Reviewed-by: Lukas Wagner <l.wagner at proxmox.com>

Also quickly compiled and installed, I can at least attest that new GUI
field works as expected, however I did not test the quirks against an
actually quirky provider.

Tested-by: Lukas Wagner <l.wagner at proxmox.com>