[Buildbot-devel] Questions on basic BuildBot configuration

[Mark Pauley]

Perhaps your the relay param to the email notifier is bad?  Can you  
telnet to the host you gave the email notifier's constructor on the  
smtp port from the master?


_Mark

On Feb 15, 2007, at 12:46 PM, Mary Fernandez wrote:

> Hi Mark,
> Thanks for your reply.  Yes, the ports match
> and are both 9989.
> The second problem is definitely a firewall issue:
> our firewall simply won't permit traffic out on that
> port.  I will move the master to 80 and see what
> happens.
>
> But I think the first problem is different: I'm
> guessing it's the interface between the Twisted
> mail.smtp library and sendmail.  Or am I missing
> something?
>
> Thanks! Mary
> On Thu, 2007-02-15 at 13:41, Mark Pauley wrote:
>> So you can see the master on port 25... can you telnet onto the  
>> master
>> on port 9989 (or whatever port the master is running with)?
>>
>>
>> Double check the master.cfg file and make sure the address and port
>> are correct on both sides.  Also make sure you don't have a pesky
>> firewall, or you'll need to run the master on port 80 or something
>> like that.
>>
>>
>> _Mark
>> On Feb 14, 2007, at 7:12 PM, Mary Fernandez wrote:
>>> Greetings,
>>>
>>> I have two very basic questions about BuildBot
>>> configuration problems that hopefully someone
>>> can answer easily.
>>>
>>> Thanks for any help in advance!
>>> -Mary
>>>
>>> General config info:
>>> buildbot 0.7.5
>>> Twisted 2.0.1
>>> CVSToys 1.0.10
>>> (CVSToys did not compile against Twisted 2.5, so I backed
>>> up to 2.0, which was in the same era as the CVSToys release)
>>>
>>> Problem #1: SMTP error when using mail.mailNotifier
>>> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>>>
>>> Configuration: FreshCVS, a buildbot master, and
>>> a buildbot slave are all running on the same machine.
>>>
>>> What happens: On a commit, FreshCVS sends mail to
>>> me (successfully) and also triggers a PBService event,
>>> which in turn, triggers the build master, which contacts
>>> the slave.  The slave runs the job, returns the result to the build
>>> master, which attempts to send a mail notification.
>>>
>>> Results in following error in twistd.log:
>>>
>>> [Uninitialized] SMTP Client retrying server. Retry: 1
>>> [Uninitialized] Unhandled error in Deferred:
>>> [Uninitialized] Traceback (most recent call last):
>>>   Failure: twisted.internet.error.ConnectionRefusedError:
>>>       Connection was refused by other side: 111: Connection
>>> refused.
>>>
>>> I was surprised, because FreshCVS's email succeeded
>>> so I expected BuildBot's to as well.
>>>
>>> The difference is that FreshCVS's mail notifier
>>> invokes /usr/bin/sendmail explicitly as a shell command,
>>> whereas BuildBot uses the twisted.mail.smtp object.
>>>
>>> I'm guessing that sendmail on this machine is configured
>>> in some way that ends up refusing connections from Twisted.
>>> Has anyone ever seen this before?  Any suggestions?
>>>
>>> Problem #2: Slave inside firewall cannot connect to master
>>> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>>> Configuration: FreshCVS and buildbot master are on machine
>>> outside firewall.  buildbot slave is on machine inside
>>> firewall (behind NAT)
>>>
>>> What happens: I can SSH from slave machine to master
>>> machine, check out source, and build successfully on the
>>> slave.   But when I try to start the slave daemon, it never
>>> connects to the master:
>>>
>>> [Uninitialized] <twisted.internet.tcp.Connector instance at
>>> 0xb7b3e18c>
>>> will retry in 2 seconds
>>>
>>> Running buildbot debugclient gives a bit more info:
>>>
>>> [Failure instance: Traceback (failure with no frames):
>>> twisted.internet.error.ConnectError: An error occurred while
>>> connecting: 113: No route to host.
>>>
>>> I'm guessing that this is the error when the daemon starts up.
>>> There's obviously a route to the host, because SSH works.
>>> Could this be due to incorrect address translation from the
>>> master back to the slave?
>>>
>>> Any ideas are greatly appreciated.
>>> -- 
>>> Mary Fernandez <mff at research.att.com>
>>> AT&T Labs - Research
>>>
>>>
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> -- 
> Mary Fernandez <mff at research.att.com>
> AT&T Labs - Research
>
>
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