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https://issues.apache.org/jira/browse/YARN-3159?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14312151#comment-14312151
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Leitao Guo commented on YARN-3159:
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Ok, I'll add the unit test.

> DOCKER_IMAGE_PATTERN should support multilayered path of docker images
> ----------------------------------------------------------------------
>
>                 Key: YARN-3159
>                 URL: https://issues.apache.org/jira/browse/YARN-3159
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: nodemanager
>    Affects Versions: 2.6.0
>            Reporter: Leitao Guo
>            Assignee: Leitao Guo
>         Attachments: YARN-3159.patch
>
>
> Currently, DOCKER_IMAGE_PATTERN in DockerContainerExecutor can only match 
> docker images with the path like "sequenceiq/hadoop-docker:2.6.0", which has 
> only 1 "/" in the path.
> {code}
> public static final String DOCKER_IMAGE_PATTERN = 
> "^(([\\w\\.-]+)(:\\d+)*\\/)?[\\w\\.:-]+$";
> {code}
> In our cluster, the image name have multi layers, such as 
> "docker-registry.qiyi.virtual:8080/cloud/hadoop-docker:2.6.0", which is 
> workable when using "docker pull IMAGE_NAME", but can not pass the check of 
> image name in saneDockerImage().



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