Show cluster hypervisor for gnt-cluster info

Author: schreiberal
Reviewed-by: iustinp

lib/cmdlib.py

@@ -1999,6 +1999,7 @@ class LUQueryClusterInfo(NoHooksLU):
       "export_version": constants.EXPORT_VERSION,
       "master": self.sstore.GetMasterNode(),
       "architecture": (platform.architecture()[0], platform.machine()),
+      "hypervisor_type": self.sstore.GetHypervisorType(),
       }
 
     return result

scripts/gnt-cluster

@@ -141,6 +141,8 @@ def ShowClusterConfig(opts, args):
   print ("Architecture (this node): %s (%s)" %
          (result["architecture"][0], result["architecture"][1]))
 
+  print ("Cluster hypervisor: %s" % result["hypervisor_type"])
+
   return 0