PLC/Methods/UpdateNodeGroup.py

   1 from PLC.Faults import *
   2 from PLC.Method import Method
   3 from PLC.Parameter import Parameter, Mixed
   4 from PLC.NodeGroups import NodeGroup, NodeGroups
   5 from PLC.Auth import PasswordAuth
   6
   7 can_update = lambda (field, value): field in \
   8              ['name', 'description']
   9
  10 class UpdateNodeGroup(Method):
  11     """
  12     Updates a custom node group.
  13
  14     Returns 1 if successful, faults otherwise.
  15     """
  16
  17     roles = ['admin']
  18
  19     nodegroup_fields = dict(filter(can_update, NodeGroup.fields.items()))
  20     for field in nodegroup_fields.values():
  21         field.optional = True
  22
  23     accepts = [
  24         PasswordAuth(),
  25         Mixed(NodeGroup.fields['nodegroup_id'],
  26               NodeGroup.fields['name']),
  27         nodegroup_fields
  28         ]
  29
  30     returns = Parameter(int, '1 if successful')
  31
  32     def call(self, auth, nodegroup_id_or_name, nodegroup_fields = {}):
  33         nodegroup_fields = dict(filter(can_update, nodegroup_fields.items()))
  34
  35         # Get nodegroup information
  36         nodegroups = NodeGroups(self.api, [nodegroup_id_or_name])
  37         if not nodegroups:
  38             raise PLCInvalidArgument, "No such nodegroup"
  39         nodegroup = nodegroups.values()[0]
  40
  41         nodegroup.update(nodegroup_fields)
  42         nodegroup.sync()
  43
  44         return 1