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From "Greg Phillips (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (YARN-5280) Allow YARN containers to run with Java Security Manager
Date Mon, 07 Nov 2016 19:01:01 GMT

     [ https://issues.apache.org/jira/browse/YARN-5280?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Greg Phillips updated YARN-5280:
--------------------------------
    Attachment: YARN-5280.004.patch

Modified sandbox-mode to again use three operating modes.  Added tests for enforcing and permissive
operating modes.  With the sandbox mode enabled the JavaSandboxLinuxContainerRuntime will
no longer sanitize container commands, instead will throw an exception in enforcing mode if
a chained shell command (using '||' or '&&') is used.  In permissive mode the container
command will not be modified if it contains a chained shell command and no exception will
be thrown.

> Allow YARN containers to run with Java Security Manager
> -------------------------------------------------------
>
>                 Key: YARN-5280
>                 URL: https://issues.apache.org/jira/browse/YARN-5280
>             Project: Hadoop YARN
>          Issue Type: New Feature
>          Components: nodemanager, yarn
>    Affects Versions: 2.6.4
>            Reporter: Greg Phillips
>            Assignee: Greg Phillips
>            Priority: Minor
>              Labels: oct16-medium
>         Attachments: YARN-5280.001.patch, YARN-5280.002.patch, YARN-5280.003.patch, YARN-5280.004.patch,
YARN-5280.patch, YARNContainerSandbox.pdf
>
>
> YARN applications have the ability to perform privileged actions which have the potential
to add instability into the cluster. The Java Security Manager can be used to prevent users
from running privileged actions while still allowing their core data processing use cases.

> Introduce a YARN flag which will allow a Hadoop administrator to enable the Java Security
Manager for user code, while still providing complete permissions to core Hadoop libraries.



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