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From "Vinod Kumar Vavilapalli (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (YARN-813) Document and likewise implement relevant checks/escape functions for what form of input is acceptable for setting up a container launch context i.e. special chars in resource names, env vars and the commands
Date Wed, 03 Jul 2013 23:04:20 GMT

     [ https://issues.apache.org/jira/browse/YARN-813?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Vinod Kumar Vavilapalli updated YARN-813:
-----------------------------------------

    Issue Type: Improvement  (was: Bug)
    
> Document and likewise implement relevant checks/escape functions for what form of input
is acceptable for setting up a container launch context i.e. special chars in resource names,
env vars and the commands
> ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
>
>                 Key: YARN-813
>                 URL: https://issues.apache.org/jira/browse/YARN-813
>             Project: Hadoop YARN
>          Issue Type: Improvement
>          Components: nodemanager
>    Affects Versions: 2.0.4-alpha, 0.23.8
>            Reporter: Hitesh Shah
>
> What should a user of yarn escape/not escape when passing in input for the container
launch contexts 
>   - localized resources' names are used to create symlinks. 
>     - Are special chars supported in symlinks or do they need to be escaped? 
>   - Likewise for environment variables and commands. 
> Current implementation uses a shell script to setup the environment and launch the commands.
What should the user be aware of when setting up the launch context? The input also should
be such that a user should not need to change code based on what platform or flavor of shell
is being used to setup the env and run the commands. 

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