PLC/Methods/DeleteConfFileFromNodeGroup.py

   1 # $Id$
   2 from PLC.Faults import *
   3 from PLC.Method import Method
   4 from PLC.Parameter import Parameter, Mixed
   5 from PLC.ConfFiles import ConfFile, ConfFiles
   6 from PLC.NodeGroups import NodeGroup, NodeGroups
   7 from PLC.Auth import Auth
   8
   9 class DeleteConfFileFromNodeGroup(Method):
  10     """
  11     Deletes a configuration file from the specified nodegroup. If the nodegroup
  12     is not linked to the configuration file, no errors are returned.
  13
  14     Returns 1 if successful, faults otherwise.
  15     """
  16
  17     roles = ['admin']
  18
  19     accepts = [
  20         Auth(),
  21         ConfFile.fields['conf_file_id'],
  22         Mixed(NodeGroup.fields['nodegroup_id'],
  23               NodeGroup.fields['groupname'])
  24         ]
  25
  26     returns = Parameter(int, '1 if successful')
  27
  28
  29     def call(self, auth, conf_file_id, nodegroup_id_or_name):
  30         # Get configuration file
  31         conf_files = ConfFiles(self.api, [conf_file_id])
  32         if not conf_files:
  33             raise PLCInvalidArgument, "No such configuration file"
  34         conf_file = conf_files[0]
  35
  36         # Get nodegroup
  37         nodegroups = NodeGroups(self.api, [nodegroup_id_or_name])
  38         if not nodegroups:
  39                 raise PLCInvalidArgument, "No such nodegroup"
  40         nodegroup = nodegroups[0]
  41
  42         # Link configuration file to nodegroup
  43         if nodegroup['nodegroup_id'] in conf_file['nodegroup_ids']:
  44             conf_file.remove_nodegroup(nodegroup)
  45
  46         # Log affected objects
  47         self.event_objects = {'ConfFile': [conf_file_id],
  48                               'NodeGroup': [nodegroup['nodegroup_id']]}
  49
  50         return 1