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List:       ceph-users
Subject:    [ceph-users] Re: RGW Lua - cancel request
From:       Yuval Lifshitz <ylifshit () redhat ! com>
Date:       2023-04-30 18:00:21
Message-ID: CACBud-C2by3hFNMrJ6A9Qmik=4U2kmfFuNpV3osHxegUpCivwQ () mail ! gmail ! com
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Hi Ondřej,
Greater to hear that you use lua. You are right, this field has become
writable only in reef.
I can backport the fix to quincy, so that you can use it in the next quincy
release (not sure when it is).
A better option would be to allow setting the failure from lua - but this
would be a new feature, that would probably land post reef.

Yuval


On Sun, Apr 30, 2023 at 7:49 PM Ondřej Kukla <ondrej@kuuk.la> wrote:

> Hello,
>
> Lately I've been playing with Lua scripting on top of RGW.
>
> I would like to implement a request blocking based on bucket name -> when
> there is a dot in a bucket name return error code and a message that this
> name is invalid.
>
> Here is the code I was able to came up with.
>
> if string.find(Request.HTTP.URI, '%.') then
>    Request.Response.HTTPStatusCode = 400
>    Request.Response.HTTPStatus = "InvalidBucketName"
>    Request.Response.Message = "Dots in bucket name are not allowed."
> end
>
> This works fine, but the request for creating a bucket would be processed
> and the bucket will be created. I thought about a dirty workaround with
> setting the Request.Bucket.Name to a bucket that already exists but it
> seems that this field is not writable in Quincy.
>
> Is there a way to block the request from processing?
>
> Any help is much appreciated.
>
> Kind regards,
>
> Ondrej
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