[jira] [Resolved] (YARN-10870) Missing user filtering check -> yarn.webapp.filter-entity-list-by-user for RM Scheduler page

["Szilard Nemeth (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/YARN-10870?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Szilard Nemeth resolved YARN-10870.
-----------------------------------
    Resolution: Fixed

> Missing user filtering check -> yarn.webapp.filter-entity-list-by-user for RM Scheduler page
> --------------------------------------------------------------------------------------------
>
>                 Key: YARN-10870
>                 URL: https://issues.apache.org/jira/browse/YARN-10870
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: yarn
>            Reporter: Siddharth Ahuja
>            Assignee: Gergely Pollák
>            Priority: Major
>             Fix For: 3.4.0, 3.3.2, 3.2.4
>
>         Attachments: YARN-10870.001.patch, YARN-10870.002.patch, YARN-10870.branch-3.1.002.patch, YARN-10870.branch-3.2.002.patch, YARN-10870.branch-3.3.002.patch
>
>
> Non-permissible users are (incorrectly) able to view application submitted by another user on the RM's Scheduler UI (not Applications UI), where _non-permissible users_ are non-application-owners and are not present in the application ACL -> mapreduce.job.acl-view-job, nor present in the Queue ACL as a Queue admin to which this job was submitted to" (see [1] where both the filter setting introduced by YARN-8319 & ACL checks are performed):
> The issue can be reproduced easily by having the setting {{yarn.webapp.filter-entity-list-by-user}} set to true in yarn-site.xml.
> The above disallows non-permissible users from viewing another user's applications in the Applications page, but not in the Scheduler's page.
> The filter setting seems to be getting checked only on the getApps() call but not while rendering the apps information on the Scheduler page. This seems to be a "missed" feature from YARN-8319.
> Following pre-requisites are needed to reproduce the issue:
> * Kerberized cluster,
> * SPNEGO enabled for HDFS & YARN,
> * Add test users - systest and user1 on all nodes.
> * Add kerberos princs for the above users.
> * Create HDFS user dirs for above users and chown them appropriately.
> * Run a sample MR Sleep job and test.
> Steps to reproduce the issue:
> * kinit as "systest" user and run a sample MR sleep job from one of the nodes in the cluster:
> {code}
> yarn jar <path_to_hadoop-mapreduce-client-jobclient-tests.jar> sleep -m 1 -mt 3600000
> {code}
> * kinit as "user1" from Mac as an example (this assumes you've copied the /etc/krb5.conf from the cluster to your Mac's /private/etc folder already for Spengo auth).
> * Open the Applications page. user1 cannot view the job being run by systest. This is correct.
> * Open the Scheduler page. user1 *CAN* view the job being run by systest. This is *INCORRECT*.
> [1] https://github.com/apache/hadoop/blob/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/webapp/RMWebServices.java#L676



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