[RANGER-1259] Improve ChangePassword utility and make it idempotent for default password change request

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 0.7.0
• Fix Version/s: 0.7.0
• Component/s: Ranger
• Assignee: Pradeep Agrawal
• Reporter: Pradeep Agrawal
• Created: 15/Dec/16 15:35
• Updated: 21/Dec/16 13:28
• Resolved: 21/Dec/16 13:28

Description

Problem Statement: If Ranger admin password has been changed from UI and Ranger admin default password change request is made via 'db_setup.py -changepassword' command then password change request should not fail with failure error message rather it should skip the password change request and display an appropriate message.

Issue Links

• links to: Apache review request link-1