[YARN-2762] RMAdminCLI node-labels-related args should be trimmed and checked before sending to RM

• Type: Sub-task
• Status: Closed
• Priority: Minor
• Resolution: Fixed
• Fix Version/s: 2.7.0
• Component/s: resourcemanager
• Target Version/s: 2.7.0
• Hadoop Flags: Reviewed
• Assignee: Rohith Sharma K S
• Reporter: Rohith Sharma K S
• Created: 28/Oct/14 04:33
• Updated: 10/Apr/15 20:10
• Resolved: 16/Dec/14 19:01

Description

All NodeLabel args validation's are done at server side. The same can be done at RMAdminCLI so that unnecessary RPC calls can be avoided.
And for the input such as "x,y,,z,", no need to add empty string instead can be skipped.