In details:
* Adapt Redis puppet module for plugin usage:
- update tests
- improvements for sentinel installation
- uncomment CentOS params for plugin usage on next Fuel releases
* Prepare main puppet script for:
- Redis and sentinel installation
- Work with ceilometer-agent-central service as pacemaker resource
(remove old one and configure new with clone set)
- Configure redis under pacemaker
- Add ocf scripts for redis-server
* Add tasks for plugin
* Add metadata for plugin
* Add Redis packages (2.8 version) and their dependencies
* Use existing ceilometer network role for redis
Partially implements: blueprint ceilometer-central-agent-ha
Change-Id: I77c75e05b28f3ff4690e89034e345cc9c64af5e5
iberezovskiy