Change-Id: I672d6fea935cbe7416ebd0cfff5006fddb9cd534
Partially-implements: blueprint better-reconfigure

Added ansible role to deploy grafana

Added host group for grafana deployment

Co-Authored-By: zhubingbing <zhubingbing10@gmail.com>

Change-Id: I3dec4e8586b6f65fa7de66a48506d1c79de2fe1e
Partially-Implements: Blueprint performance-monitoring