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https://issues.apache.org/jira/browse/YARN-8927?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16666323#comment-16666323
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Zhankun Tang commented on YARN-8927:
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{quote}There are two docker pull strategy, pull every time vs pull once and
update latest. If latest image hash code has changed on docker hub, then it can
affect local image to become the latest on docker hub.
{quote}
[~eyang] , Oh. I don't know this hash code matters. In my understanding, Docker
will only pull it if not exist in local.
Where can I check this info?
And to the YARN image pull policy, I want to first get our consensus on if this
"docker.trusted.registries" handle both run and pull? I thought if it doesn't
allow, we cannot pull from a repo either.
> Better handling of "docker.trusted.registries" in container-executor's
> "trusted_image_check" function
> -----------------------------------------------------------------------------------------------------
>
> Key: YARN-8927
> URL: https://issues.apache.org/jira/browse/YARN-8927
> Project: Hadoop YARN
> Issue Type: Improvement
> Reporter: Zhankun Tang
> Assignee: Zhankun Tang
> Priority: Major
>
> There are some missing cases that we need to catch when handling
> "docker.trusted.registries".
> The container-executor.cfg configuration is as follows:
> {code:java}
> docker.trusted.registries=tangzhankun,ubuntu,centos{code}
> It works if run DistrubutedShell with "tangzhankun/tensorflow"
> {code:java}
> "yarn ... -shell_env YARN_CONTAINER_RUNTIME_TYPE=docker -shell_env
> YARN_CONTAINER_RUNTIME_DOCKER_IMAGE=tangzhankun/tensorflow
> {code}
> But run a DistrubutedShell job with "centos", "centos[:tagName]", "ubuntu"
> and "ubuntu[:tagName]" fails:
> The error message is like:
> {code:java}
> "image: centos is not trusted"
> {code}
> We need better handling the above cases.
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