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From "Eric Yang (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-7353) Docker permitted volumes don't properly check for directories
Date Tue, 24 Oct 2017 21:03:00 GMT

    [ https://issues.apache.org/jira/browse/YARN-7353?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16217698#comment-16217698
] 

Eric Yang commented on YARN-7353:
---------------------------------

[~vvasudev] Sure, I cherry-pick them to branch-3.0 and branch-2.

> Docker permitted volumes don't properly check for directories
> -------------------------------------------------------------
>
>                 Key: YARN-7353
>                 URL: https://issues.apache.org/jira/browse/YARN-7353
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: yarn
>            Reporter: Eric Badger
>            Assignee: Eric Badger
>             Fix For: 2.9.0, 3.0.0
>
>         Attachments: YARN-7353.001.patch, YARN-7353.002.patch, YARN-7353.003.patch
>
>
> {noformat:title=docker-util.c:check_mount_permitted()}
>     // directory check
>     permitted_mount_len = strlen(permitted_mounts[i]);
>     if (permitted_mount_len > 0
>         && permitted_mounts[i][permitted_mount_len - 1] == '/') {
>       if (strncmp(normalized_path, permitted_mounts[i], permitted_mount_len) == 0) {
>         ret = 1;
>         break;
>       }
>     }
> {noformat}
> This code will treat "/home/" as a directory, but not "/home"
> {noformat}
> [  FAILED  ] 3 tests, listed below:
> [  FAILED  ] TestDockerUtil.test_check_mount_permitted
> [  FAILED  ] TestDockerUtil.test_normalize_mounts
> [  FAILED  ] TestDockerUtil.test_add_rw_mounts
> {noformat}
> Additionally, YARN-6623 introduced new test failures in the C++ container-executor test
"cetest"



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