[Buildbot] #3571: sort out docker workers

[Buildbot trac]

#3571: sort out docker workers
-------------------+--------------------
Reporter:  tardyp  |       Owner:
    Type:  task    |      Status:  new
Priority:  major   |   Milestone:  0.9.0
 Version:  master  |  Resolution:
Keywords:          |
-------------------+--------------------

Old description:

> Need to look at [https://github.com/buildbot/buildbot/pull/2213 #2213],
> and see if there is anything to be done for docker network config as per
> discussion in:
>
> Change default value for networking_config
> [https://github.com/buildbot/buildbot/pull/2213 #2213]

New description:

 Need to look at #2213, and see if there is anything to be done for docker
 network config as per discussion in:

 Change default value for networking_config #2213

--

Comment (by tardyp):

 So I can reproduce issue:
 {{{
 2016-06-27 18:46:45+0200 [-] while substantiating
         Traceback (most recent call last):
           File "/data/buildbot/sandbox/local/lib/python2.7/site-
 packages/twisted/internet/defer.py", line 434, in errback
             self._startRunCallbacks(fail)
           File "/data/buildbot/sandbox/local/lib/python2.7/site-
 packages/twisted/internet/defer.py", line 501, in _startRunCallbacks
             self._runCallbacks()
           File "/data/buildbot/sandbox/local/lib/python2.7/site-
 packages/twisted/internet/defer.py", line 588, in _runCallbacks
             current.result = callback(current.result, *args, **kw)
           File "/data/buildbot/sandbox/local/lib/python2.7/site-
 packages/twisted/internet/defer.py", line 1184, in gotResult
             _inlineCallbacks(r, g, deferred)
         --- <exception caught here> ---
           File "/data/buildbot/sandbox/local/lib/python2.7/site-
 packages/twisted/internet/defer.py", line 1126, in _inlineCallbacks
             result = result.throwExceptionIntoGenerator(g)
           File "/data/buildbot/sandbox/local/lib/python2.7/site-
 packages/twisted/python/failure.py", line 389, in
 throwExceptionIntoGenerator
             return g.throw(self.type, self.value, self.tb)
           File "/data/buildbot/buildbot/master/buildbot/worker/docker.py",
 line 143, in start_instance
             res = yield threads.deferToThread(self._thd_start_instance,
 image, volumes)
           File "/data/buildbot/sandbox/local/lib/python2.7/site-
 packages/twisted/python/threadpool.py", line 246, in inContext
             result = inContext.theWork()
           File "/data/buildbot/sandbox/local/lib/python2.7/site-
 packages/twisted/python/threadpool.py", line 262, in <lambda>
             inContext.theWork = lambda: context.call(ctx, func, *args,
 **kw)
           File "/data/buildbot/sandbox/local/lib/python2.7/site-
 packages/twisted/python/context.py", line 118, in callWithContext
             return self.currentContext().callWithContext(ctx, func, *args,
 **kw)
           File "/data/buildbot/sandbox/local/lib/python2.7/site-
 packages/twisted/python/context.py", line 81, in callWithContext
             return func(*args,**kw)
           File "/data/buildbot/buildbot/master/buildbot/worker/docker.py",
 line 189, in _thd_start_instance
             networking_config=self.networking_config
           File "/data/buildbot/sandbox/local/lib/python2.7/site-
 packages/docker/api/container.py", line 120, in create_container
             return self.create_container_from_config(config, name)
           File "/data/buildbot/sandbox/local/lib/python2.7/site-
 packages/docker/api/container.py", line 131, in
 create_container_from_config
             return self._result(res, True)
           File "/data/buildbot/sandbox/local/lib/python2.7/site-
 packages/docker/client.py", line 158, in _result
             self._raise_for_status(response)
           File "/data/buildbot/sandbox/local/lib/python2.7/site-
 packages/docker/client.py", line 154, in _raise_for_status
             raise errors.APIError(e, response, explanation=explanation)
         docker.errors.APIError: 500 Server Error: Internal Server Error
 ("json: cannot unmarshal string into Go value of type
 network.NetworkingConfig")
 }}}

--
Ticket URL: <http://trac.buildbot.net/ticket/3571#comment:2>
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