HA masters using pacemaker and virtual IP

I want to install OpenShift V3 using the advanced method. So I will create an environment with 2 masters and 3 nodes.
The masters need to be HA. So I want a pacemaker between them.
All my hosts are Amazon EC2 instances and they're using CentOS as OS.

The hostnames of my master are:
master1.example.com
master2.example.com

Their public IP's:
52.19.128.xx
52.18.90.xx

Their private IP's:
10.0.0.131
10.0.0.132

So they are in different subnets (public). Is it possbile to configure a virtual IP for them, and how?


	   		 	   		  
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