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https://issues.apache.org/jira/browse/YARN-8783?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16620778#comment-16620778
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Eric Yang commented on YARN-8783:
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[~simonprewo] The suggested changes looks good to me. Would you like to take
ownership of this JIRA and generate a patch? I don't have access to assign the
JIRA to you. We may need to find a PMC to add you as a contributor.
> Improve the documentation for the docker.trusted.registries configuration
> -------------------------------------------------------------------------
>
> Key: YARN-8783
> URL: https://issues.apache.org/jira/browse/YARN-8783
> Project: Hadoop YARN
> Issue Type: Sub-task
> Affects Versions: 3.1.1
> Reporter: Simon Prewo
> Priority: Major
> Labels: Docker, container-executor, docker
>
> I am deploying the default yarn distributed shell example:
> {code:java}
> yarn jar hadoop-yarn-applications-distributedshell.jar -shell_env
> YARN_CONTAINER_RUNTIME_TYPE=docker -shell_env
> YARN_CONTAINER_RUNTIME_DOCKER_IMAGE=centos -shell_command "sleep 90" -jar
> hadoop-yarn-applications-distributedshell.jar -num_containers 1{code}
> Having a *single trusted registry configured like this works*:
> {code:java}
> docker.trusted.registries=centos{code}
> But having *a list of trusted registries configured fails* ("Shell error
> output: image: centos is not trusted."):
> {code:java}
> docker.trusted.registries=centos,ubuntu{code}
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