[OpenStack-Infra] Bug: incorrect HTTP headers on Rackspace CDN S3 used by OS Infra

Roman Gorshunov paye600 at gmail.com
Sat Oct 12 14:50:59 UTC 2019


Hello Jeremy,

Thank you very much for the reply and all your OpenStack Infra team
for the solution you have built! I appreciate your help here and on IRC.

Everything seems to work for me now (new URLs).

My best wishes for you.

—
Roman Gorshunov

> On 12 Oct 2019, at 16:29, Jeremy Stanley <fungi at yuggoth.org> wrote:
> 
> On 2019-10-12 16:02:55 +0200 (+0200), Roman Gorshunov wrote:
>> I’m experiencing problems accessing certain content served by
>> Rackspace CDN S3 used by OS Infra, and looking for help to get
>> problem resolved.
> [...]
> 
> After some lengthy discussion, this workaround was implemented:
> 
>    https://review.opendev.org/688154
> 
> Any logs uploaded there for build which began after it merged at
> 22:02 UTC should no longer exhibit this behavior with browsers which
> are unable to correctly combine multiple list-type headers as
> allowed by IETF RFC 2616 section 4.2:
> 
>    "Multiple message-header fields with the same field-name MAY be
>    present in a message if and only if the entire field-value for
>    that header field is defined as a comma-separated list"
> 
>    https://tools.ietf.org/html/rfc2616#section-4.2
> 
> Note that while what the Rackspace CDN is doing may be atypical,
> it's allowed by accepted Internet standards. If the source code for
> your Web browser is readily available, then it may make sense to
> assist its maintainer community in resolving their lack of complete
> HTTP support.
> -- 
> Jeremy Stanley
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> OpenStack-Infra at lists.openstack.org
> http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-infra




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