docs: def execute_virsh_command(self,
                                **kwargs):
          '''
          common virsh execution function
          '''
          host_list = kwargs.get('host_list', None)
          remote_user = kwargs.get('remote_user', None)
          remote_pass = kwargs.get('remote_pass', None)
          sudo = kwargs.get('sudo', False)
          sudo_user = kwargs.get('sudo_user', None)
          sudo_pass = kwargs.get('sudo_pass', None)
  
          host_list, remote_user, remote_pass, \
              sudo, sudo_user, sudo_pass = self.get_validated_params(
                  host_list, remote_user,
                  remote_pass, sudo,
                  sudo_user, sudo_pass)
  
          if 'cmd' not in kwargs.keys():
              print "Require a command to execute"
              return None
          cmd = kwargs['cmd']
  
          if 'delimiter' not in kwargs.keys():
              delimiter = ":"
          else:
              delimiter = kwargs['delimiter']
  
          if 'output_type' not in kwargs.keys():
              output_type = "LRVALUE"
          else:
              output_type = kwargs['output_type']
  
          if output_type == "TABLE":
              if 'fields' not in kwargs.keys():
                  print "Require to pass fields"
                  return None
  
          fields = kwargs['fields']
  
          result, failed_hosts = self.runner.ansible_perform_operation(
              host_list=host_list,
              remote_user=remote_user,
              remote_pass=remote_pass,
              module="command",
              module_args=cmd,
              sudo=sudo,
              sudo_user=sudo_user,
              sudo_pass=sudo_pass)
  
          virsh_result = None
          if result['contacted'].keys():
              virsh_result = {}
              for node in result['contacted'].keys():
                  nodeobj = result['contacted'][node]
                  if output_type == "LRVALUE":
                      jsonoutput = rex.parse_lrvalue_string(nodeobj['stdout'],
                                                            delimiter)
                  elif output_type == "TABLE":
                      jsonoutput = rex.parse_tabular_string(nodeobj['stdout'],
                                                            fields)
                  else:
                      pass
                  virsh_result[node] = {}
                  virsh_result[node]['result'] = jsonoutput
  
          return virsh_result