sfa/methods/remove.py

   1 ### $Id$
   2 ### $URL$
   3
   4 from sfa.util.faults import *
   5 from sfa.util.method import Method
   6 from sfa.util.parameter import Parameter, Mixed
   7 from sfa.trust.auth import Auth
   8 from sfa.util.record import GeniRecord
   9 from sfa.util.genitable import GeniTable
  10 from sfa.util.debug import log
  11
  12 class remove(Method):
  13     """
  14     Remove an object from the registry. If the object represents a PLC object,
  15     then the PLC records will also be removed.
  16
  17     @param cred credential string
  18     @param type record type
  19     @param hrn human readable name of record to remove
  20
  21     @return 1 if successful, faults otherwise
  22     """
  23
  24     interfaces = ['registry']
  25
  26     accepts = [
  27         Parameter(str, "Credential string"),
  28         Parameter(str, "Record type"),
  29         Parameter(str, "Human readable name (hrn) of record to be removed")
  30         ]
  31
  32     returns = Parameter(int, "1 if successful")
  33
  34     def call(self, cred, type, hrn):
  35         self.api.auth.check(cred, "remove")
  36         self.api.auth.verify_object_permission(hrn)
  37         table = GeniTable()
  38         filter = {'hrn': hrn}
  39         if type not in ['all', '*']:
  40             filter['type'] = type
  41         records = table.find(filter)
  42         if not records:
  43             raise RecordNotFound(hrn)
  44         record = records[0]
  45
  46         type = record['type']
  47         if type == "user":
  48             persons = self.api.plshell.GetPersons(self.api.plauth, record['pointer'])
  49             # only delete this person if he has site ids. if he doesnt, it probably means
  50             # he was just removed from a site, not actually deleted
  51             if persons and persons[0]['site_ids']:
  52                 self.api.plshell.DeletePerson(self.api.plauth, record['pointer'])
  53         elif type == "slice":
  54             if self.api.plshell.GetSlices(self.api.plauth, record['pointer']):
  55                 self.api.plshell.DeleteSlice(self.api.plauth, record['pointer'])
  56         elif type == "node":
  57             if self.api.plshell.GetNodes(self.api.plauth, record['pointer']):
  58                 self.api.plshell.DeleteNode(self.api.plauth, record['pointer'])
  59         elif type == "authority":
  60             if self.api.plshell.GetSites(self.api.plauth, record['pointer']):
  61                 self.api.plshell.DeleteSite(self.api.plauth, record['pointer'])
  62         else:
  63             raise UnknownGeniType(type)
  64
  65         table.remove(record)
  66
  67         return 1