'Return which running servers share the same physical compute host.
:return: A list of server UUIDs which share the same physical compute
host. Servers which share the same host will be stored under
the same list index.
:rtype: ``list`` of ``list``'

def ex_list_servers_availability_groups(self):

    action = '/servers/availability_groups/'
    response = self.connection.request(action=action, method='GET')
    return response.object
