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From "Zhankun Tang (JIRA)" <j...@apache.org>
Subject [jira] [Comment Edited] (YARN-5428) Allow for specifying the docker client configuration directory
Date Tue, 02 Aug 2016 07:30:20 GMT

    [ https://issues.apache.org/jira/browse/YARN-5428?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15403503#comment-15403503
] 

Zhankun Tang edited comment on YARN-5428 at 8/2/16 7:29 AM:
------------------------------------------------------------

Thanks for the patch, [~shanekumpf@gmail.com]. One question:

I remember "docker login" will store the credentials in ~/.docker/config.json by default.
Will this patch eliminate the need of "docker login"? Or should the administrator store credentials
in the config.json file manually? 


was (Author: tangzhankun):
thanks for the patch, [~shanekumpf@gmail.com].  Looks good to me.

> 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
>          Components: yarn
>            Reporter: Shane Kumpf
>            Assignee: Shane Kumpf
>         Attachments: YARN-5428.001.patch, YARN-5428.002.patch, YARN-5428.003.patch, YARN-5428.004.patch
>
>
> 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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