[users at bb.net] buildbot behind reverse proxy under URL prefix

[Andreas Sommer]

Here's an example for mounting to `/buildbot/`:

https://andidog.de/blog/2018-04-22-buildbot-setup-freebsd-jails

On 2019-01-31 13:00, users-request at buildbot.net wrote:
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> Today's Topics:
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>    1.  buildbot behind reverse proxy under URL prefix (Josh Bialkowski)
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> ----------------------------------------------------------------------
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> Message: 1
> Date: Wed, 30 Jan 2019 13:42:02 -0800
> From: Josh Bialkowski <josh.bialkowski at gmail.com>
> To: users at buildbot.net
> Subject: [users at bb.net] buildbot behind reverse proxy under URL prefix
> Message-ID:
> 	<CAH6S0LXK2FXxqWyqUNmo6bcU8R_R6HDQS0_9ba3Q1S3UoouP4A at mail.gmail.com>
> Content-Type: text/plain; charset="utf-8"
>
> Hello,
>
> I'm would like to run buildbot behind nginx as a reverse proxy, and I would
> like it to be accessible under e.g. the `buildbot/` URL (as in
> https://example.com/buildbot). I'm prototyping on `http://localhost` with
> nginx listening on `8080` and buildbot on `8083` and I have so far been
> unsuccessful in getting this to work. Does anyone have any guidance on how
> to correctly configure this?
>
> I'm not sure if it is possible with the current buildbot release but here
> is what I have found so far:
>
> * The buildbot documentation for the web server includes a section on
> [reverse proxy][1] configuration with an nginx setup that looks exactly
> like what I want. In this setup, the buildbot website is visible under the
> `buildbot/` prefix. I don't see a mention of how to configure buildbot in
> this case however.
> * The `0.8.0` documentation for the old [WebStatus][2] plugin has a
> `public_html` option that seems relevant, but there does not seem to be an
> equivalent option in the new [Web Server][3]
> * The [code comments][4] in `www/resource.py` seem to imply that the
> `base_url`  is used in this way, but this seems to be just a [reference
> to][5] the `buildbotURL` config dictionary option. So I tried setting this
> option to `http://localhost:8083/buildbot/` but the buildbot main page
> remains visible at `http://localhost:8083/` and displays this warning:
>
> ```
> Warning: c['buildbotURL'] is misconfigured to
> http://localhost:8083/buildbot/
> Should be:
> http://localhost:8083/
> ```
> * In this case `http://localhost:8083/buildbot` displays an empty page with
> just
> ```
> No Such Resource
> File not found.
> ```
> * This is also what I see through nginx at  `
> http://localhost:8080/buildbot/`
>
> Any help or suggestions would be appreciated. Thanks!
>
>
> [1]:
> http://docs.buildbot.net/current/manual/configuration/www.html#reverse-proxy-configuration
> [2]: http://docs.buildbot.net/0.8.0/WebStatus.html
> [3]: http://docs.buildbot.net/current/manual/configuration/www.html
> [4]:
> https://github.com/buildbot/buildbot/blob/master/master/buildbot/www/resource.py#L39
> [5]:
> https://github.com/buildbot/buildbot/blob/master/master/buildbot/www/resource.py#L45
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