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https://issues.apache.org/jira/browse/YARN-5428?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15451008#comment-15451008
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Zhankun Tang commented on YARN-5428:
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[[email protected]], thanks for the proposal.
Just one question about 4.2(Distribute Application Owner Supplied Docker Client
Configuration with the Application), how could we ensure that the config.json
localization procedure happens before Docker image pull in the same
localization phase (coordinate with YARN-3854)? I guess Marathon and K8s don't
need to consider this because they assume docker pull will be implicitly
invoked.
If I remember correctly, We could prioritize the docker.tar.gz download
theoretically because all LocalResource is downloaded one by one per
ContainerLocalizer. But any other idea on this?
> 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,
> YARN-5428Allowforspecifyingthedockerclientconfigurationdirectory.pdf
>
>
> 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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