Merge "Add release note for cni health manager"

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Zuul 2018-03-07 19:03:10 +00:00 committed by Gerrit Code Review
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---
features:
- |
The CNI daemon now provides health checks allowing the deployer or the
orchestration layer to probe it for readiness and liveness.
These health checks are served and executed by a Manager that runs
as part of CNI daemon, and offers two endpoints indicating whether
it is ready and alive.
The Manager validates presence of NET_ADMIN capabilities, health status
of a transactional database, connectivity with Kubernetes API, quantity of
CNI add failures, health of CNI components and amount of memory
being consumed. The health checks fails if any of the presented checks
are not validated, causing the orchestration layer to restart.
More information can be found in the kuryr-kubernetes documentation.