[KYLIN-4294] Add http api for metrics

• Type: Improvement
• Status: Closed
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: v2.6.0
• Fix Version/s: v3.1.0
• Component/s: REST Service
• Sprint: Sprint 51
• Assignee: xiang zhang
• Reporter: xiang zhang
• Created: 11/Dec/19 02:36
• Updated: 31/Jul/20 12:12
• Resolved: 27/May/20 07:15

Description

1. Expose metrics through http api to facilitate the integration of some external monitoring components, such as tsdb
2. add a python script for tcollector

Issue Links

• links to: GitHub Pull Request #987