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From "Shane Kumpf (JIRA)" <j...@apache.org>
Subject [jira] [Created] (YARN-5428) Allow for specifying the docker client configuration directory
Date Mon, 25 Jul 2016 18:35:20 GMT
Shane Kumpf created YARN-5428:
---------------------------------

             Summary: Allow for specifying the docker client configuration directory
                 Key: YARN-5428
                 URL: https://issues.apache.org/jira/browse/YARN-5428
             Project: Hadoop YARN
          Issue Type: Sub-task
            Reporter: Shane Kumpf
            Assignee: Shane Kumpf


The docker client allows for specifying a configuration directory that contains the docker
client's configuration. It is common to store "docker login" credentials in this config, to
avoid the need to docker login on each cluster member. 

By default the docker client config is $HOME/.docker/config.json on Linux. However, this does
not work with the current container executor user switching and it may also be desirable to
centralize this configuration beyond the single user's home directory.

Note that the command line arg is for the configuration directory NOT the configuration file.

This change will be needed to allow YARN to automatically pull images at localization time
or within container executor.



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