host monitor by consul for masakari

Currently, Masakari host monitor uses pacemaker and pacemaker-remote to monitor hosts' connection. Actually, it is monitoring the hosts heartbeat through management interface. Once a host's management interface is detected disconnected, it will send notification to masakari to do host recovery. This solution is imp...

vm evacuations for host recovery for masakari

When large scale hosts failed in the same time, there would be not enough resources to recovery all the instances. So it needs a priority to determine which one to evacuate firstly. Moreover, the user even wants to recall the instances to the original host after host recovery. So it needs to keep some necessary inf...