[HBASE-17370] Fix or provide shell scripts to drain and decommission region server

• Type: Sub-task
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 3.0.0-alpha-1, 2.2.0
• Labels: operability

Release Note

Adds shell support for the following:
- List decommissioned/draining region servers
- Decommission a list of region servers, optionally offload corresponding regions
- Recommission a region server, optionally load a list of passed regions

• Assignee: Nihal Jain
• Reporter: Jerry He
• Created: 23/Dec/16 19:11
• Updated: 09/May/19 23:43
• Resolved: 23/Jan/19 13:43

Description

1. Update the existing shell scripts to use the new drain related API.
2 Or provide new shell scripts.
3. Provide a 'decommission' shell tool that puts the server in drain mode and offload the server.