PLC/Methods/DeleteConfFileFromNodeGroup.py

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