Custom Metrics backend and UI for creating and editing queries
What does this MR do?
Adds support for custom metrics
Screenshots (if relevant)
Form for adding metrics
No default metrics/custom metrics
Does this MR meet the acceptance criteria?
- Changelog entry added, if necessary
- Implement Query Validation using Prometheus
- Use added queries to query prometheus and return responses in additional queries endpoint
- Documentation created/updated
- Tests added for this feature/bug
- Has been reviewed by UX
- Has been reviewed by Frontend
- Has been reviewed by Backend
- Has been reviewed by Database
- Conform by the merge request performance guides
- Conform by the style guides
- Squashed related commits together
- Internationalization required/considered
- If paid feature, have we considered GitLab.com plan and how it works for groups and is there a design for promoting it to users who aren't on the correct plan
What are the relevant issue numbers?
Related to: #2273 (closed)
CE backport of common metric changes: