[Buildbot-devel] buildbot, docker, and the slave protocol

Brian Lalor blalor at bravo5.org
Thu Jan 29 17:26:03 UTC 2015

I run docker commands from a slave no problem. Is the slave itself getting killed somehow?

Brian Lalor
blalor at bravo5.org

> On Jan 29, 2015, at 10:24 AM, Dan Kegel <dank at kegel.com> wrote:
> Probably it's not docker's fault; I just verified that
> sudo apt-get install lxc-docker
> sudo docker run -i -t ubuntu /bin/bash
> didn't disturb ssh or netcat connections.
> So I'm off debugging our own stuff, but still,
> a stateless protocol that could tolerate disconnections
> might be handy.
>> On Wed, Jan 28, 2015 at 7:26 PM, Dan Kegel <dank at kegel.com> wrote:
>> I'm trying to use docker inside a build run via buildbot.
>> (Not the other way around... this is a normal buildbot, no containers,
>> no nothing.)
>> The slave runs a shell step that builds a docker image
>> and intends to use it to run tests, but the job fails with messages like
>> remoteFailed: [Failure instance: Traceback (failure with no frames):
>> <class 'twisted.internet.error.ConnectionLost'>: Connection to the
>> other side was lost in a non-clean fashion.
>> ]
>> This just happened, so I haven't really looked into it yet, but it kind
>> of feels like Docker is frobbing the network and making buildbot's
>> connection drop.   Shame buildbot doesn't have a stateless client protocol
>> lying around waiting for someone to test it.  (Does it?)
>> - Dan
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