PLC/Methods/DeleteConfFileFromNodeGroup.py

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