[Tooling update] health_checks

* Added:

- rabbitmq queue listing for a node
- CEPH health status check
- Ability to execute arbitrary ceph commands
- Retrieve docker registry repos recursively
- Retrieve GlusterFS pool list
- Retrieve FlusterFS volumes status
- Check GlusterFS pool health and size
- Check GlusterFS volumes bricks health and size

Related-Prod: PROD-29236

Change-Id: I1b12fe39d2d4f190db3cc68a6fe18f919f044eda
2 files changed