Improve `/-/health` to look at state of master
What does this MR do?
- This moves blackout period to
shutdown: blackout_seconds:
, - This moves a blackout period logic to
LifecycleEvents
, - This makes
web_exporter
to use lifecycle events for blackout period, - This adds additional health check to look at state of master process
- This health check is exposed in
/-/liveness|readiness
, - Move all existing checks under
?all=true
for/-/readiness
- This deprecates health-checks on
web_exporter
endpoint - Exempt
/liveness
and/readiness
from Rack Attack - Make
/liveness
and/readiness
to not hit DB/Redis - Optimise Rack Attack handling
Related
Does this MR meet the acceptance criteria?
Conformity
-
Changelog entry -
Documentation created/updated or follow-up review issue created -
Code review guidelines -
Merge request performance guidelines -
Style guides -
Database guides -
Separation of EE specific content
Availability and Testing
-
Review and add/update tests for this feature/bug. Consider all test levels. See the Test Planning Process. -
Tested in all supported browsers
Security
If this MR contains changes to processing or storing of credentials or tokens, authorization and authentication methods and other items described in the security review guidelines:
-
Label as security and @ mention @gitlab-com/gl-security/appsec
-
The MR includes necessary changes to maintain consistency between UI, API, email, or other methods -
Security reports checked/validated by a reviewer from the AppSec team
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