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 from sfa.trust.credential import Credential
  12
  13 class remove(Method):
  14     """
  15     Remove an object from the registry. If the object represents a PLC object,
  16     then the PLC records will also be removed.
  17
  18     @param cred credential string
  19     @param type record type
  20     @param hrn human readable name of record to remove
  21
  22     @return 1 if successful, faults otherwise
  23     """
  24
  25     interfaces = ['registry']
  26
  27     accepts = [
  28         Parameter(str, "Credential string"),
  29         Parameter(str, "Record type"),
  30         Parameter(str, "Human readable name (hrn) of record to be removed")
  31         ]
  32
  33     returns = Parameter(int, "1 if successful")
  34
  35     def call(self, cred, type, hrn, caller_cred=None):
  36         self.api.auth.check(cred, "remove")
  37         if caller_cred==None:
  38            caller_cred=cred
  39
  40         #log the call
  41         self.api.logger.info("interface: %s\tcaller-hrn: %s\ttarget-hrn: %s\tmethod-name: %s"%(self.api.interface, Credential(string=caller_cred).get_gid_caller().get_hrn(), hrn, self.name))
  42         self.api.auth.verify_object_permission(hrn)
  43         table = GeniTable()
  44         filter = {'hrn': hrn}
  45         if type not in ['all', '*']:
  46             filter['type'] = type
  47         records = table.find(filter)
  48         if not records:
  49             raise RecordNotFound(hrn)
  50         record = records[0]
  51
  52         type = record['type']
  53         if type == "user":
  54             persons = self.api.plshell.GetPersons(self.api.plauth, record['pointer'])
  55             # only delete this person if he has site ids. if he doesnt, it probably means
  56             # he was just removed from a site, not actually deleted
  57             if persons and persons[0]['site_ids']:
  58                 self.api.plshell.DeletePerson(self.api.plauth, record['pointer'])
  59         elif type == "slice":
  60             if self.api.plshell.GetSlices(self.api.plauth, record['pointer']):
  61                 self.api.plshell.DeleteSlice(self.api.plauth, record['pointer'])
  62         elif type == "node":
  63             if self.api.plshell.GetNodes(self.api.plauth, record['pointer']):
  64                 self.api.plshell.DeleteNode(self.api.plauth, record['pointer'])
  65         elif type == "authority":
  66             if self.api.plshell.GetSites(self.api.plauth, record['pointer']):
  67                 self.api.plshell.DeleteSite(self.api.plauth, record['pointer'])
  68         else:
  69             raise UnknownGeniType(type)
  70
  71         table.remove(record)
  72
  73         return 1