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
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Key: MAPREDUCE-3155
URL: https://issues.apache.org/jira/browse/MAPREDUCE-3155
Project: Hadoop Map/Reduce
Issue Type: Bug
Components: mrv2
Affects Versions: 0.23.0
Reporter: Hitesh Shah
Fix For: 0.23.0
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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