[jira] [Commented] (ZOOKEEPER-1940) Integrate with Docker.

["Nicolae Marasoiu (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/ZOOKEEPER-1940?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14348969#comment-14348969 ] 

Nicolae Marasoiu commented on ZOOKEEPER-1940:
---------------------------------------------

Hi,

I have a similar looking error:
Do you know of any advances on this subject?
Thank you
Nicu

ubuntu@ip-172-31-18-228:~/docker-zookeeper$ sudo docker run nmarasoiu/zookeeper:3.4.6
Traceback (most recent call last):
  File "/opt/zookeeper-3.4.6/.docker/run.py", line 38, in <module>
    'clientPort': get_port('client', 2181),
  File "/usr/local/lib/python2.7/dist-packages/maestro/guestutils.py", line 59, in get_port
    get_service_name(),
  File "/usr/local/lib/python2.7/dist-packages/maestro/guestutils.py", line 27, in get_service_name
    raise MaestroEnvironmentError('Service name was not defined')
maestro.guestutils.MaestroEnvironmentError: Service name was not defined


> Integrate with Docker.
> ----------------------
>
>                 Key: ZOOKEEPER-1940
>                 URL: https://issues.apache.org/jira/browse/ZOOKEEPER-1940
>             Project: ZooKeeper
>          Issue Type: Wish
>            Reporter: David Medinets
>            Priority: Trivial
>
> Docker is an open platform for developers and sysadmins to build, ship, and run distributed applications.
> It's become quite popular and I'd like to see the zookeeper community suggest a standard way to run zookeeper inside docker containers. To get the conversation started, I have a working example at:
> https://github.com/medined/docker-zookeeper
> I hope there is a better technique that I used. And if there is please make suggestions.
> The difficulty, I think, posed by Docker, is that the images are started before the bridge network is created. This means, again I think, that zookeeper is running inside the container with no way to communicate with the ensemble for some non-trivial amount of time. 
> My resolution to this was to force each each to wait 30 seconds before  starting zookeeper. I still see connection errors in the logs, but eventually the cluster settles and everything seems to work.
> I'm hoping that someone which more networking experience than I can find a way to eliminate that 30 second delay and the connection errors during startup.
> Thanks for reading this far.



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