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https://issues.apache.org/jira/browse/YARN-9860?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16947379#comment-16947379
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Hadoop QA commented on YARN-9860:
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| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | {color:blue} reexec {color} | {color:blue} 0m
0s{color} | {color:blue} Docker mode activated. {color} |
| {color:red}-1{color} | {color:red} patch {color} | {color:red} 0m 9s{color}
| {color:red} YARN-9860 does not apply to trunk. Rebase required? Wrong Branch?
See https://wiki.apache.org/hadoop/HowToContribute for help. {color} |
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|| Subsystem || Report/Notes ||
| JIRA Issue | YARN-9860 |
| Console output |
https://builds.apache.org/job/PreCommit-YARN-Build/24939/console |
| Powered by | Apache Yetus 0.8.0 http://yetus.apache.org |
This message was automatically generated.
> Enable service mode for Docker containers on YARN
> -------------------------------------------------
>
> Key: YARN-9860
> URL: https://issues.apache.org/jira/browse/YARN-9860
> Project: Hadoop YARN
> Issue Type: Improvement
> Affects Versions: 3.3.0
> Reporter: Prabhu Joseph
> Assignee: Prabhu Joseph
> Priority: Major
> Attachments: Screen Shot 2019-10-09 at 11.27.19 AM.png,
> YARN-9860-001.patch, YARN-9860-002.patch, YARN-9860-003.patch,
> YARN-9860-004.patch, YARN-9860-005.patch, YARN-9860-006.patch,
> YARN-9860-007.patch, YARN-9860-008.patch
>
>
> This task is to add support to YARN for running Docker containers in "Service
> Mode".
> Service Mode - Run the container as defined by the image, but still allow for
> injecting configuration.
> Background:
> Entrypoint mode helped - now able to use the ENV and ENTRYPOINT/CMD as
> defined in the image. However, still requires modification to official images
> due to user propagation
> User propagation is problematic for running a secure cluster with sssd
>
> Implementation:
> Must be enabled via c-e.cfg (example: docker.service-mode.allowed=true)
> Must be requested at runtime - (example:
> YARN_CONTAINER_RUNTIME_DOCKER_SERVICE_MODE=true)
> Entrypoint mode is default enabled for this mode (If Service Mode is
> requested, YARN_CONTAINER_RUNTIME_DOCKER_RUN_OVERRIDE_DISABLE should be set
> to true)
> Writable log mount will not be added - stdout logging may still work
> with entrypoint mode - remove the writable bind mounts
> User and groups will not be propagated (now: docker run --user nobody
> --group-add=nobody .... <image>, after: docker run .... <image>)
> Read-only resources mounted at the file level, files get chmod 777,
> parent directory only accessible by the run as user.
> cc [[email protected]]
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