sfa/methods/Update.py

   1 from sfa.util.method import Method
   2
   3 from sfa.trust.credential import Credential
   4
   5 from sfa.storage.parameter import Parameter
   6
   7
   8 class Update(Method):
   9     """
  10     Update an object in the registry. Currently, this only updates the
  11     PLC information associated with the record. The SFA fields (name, type,
  12     GID) are fixed.
  13
  14     @param cred credential string specifying rights of the caller
  15     @param record a record dictionary to be updated
  16
  17     @return 1 if successful, faults otherwise
  18     """
  19
  20     interfaces = ['registry']
  21
  22     accepts = [
  23         Parameter(dict, "Record dictionary to be updated"),
  24         Parameter(str, "Credential string"),
  25     ]
  26
  27     returns = Parameter(int, "1 if successful")
  28
  29     def call(self, record_dict, creds):
  30         # validate the cred
  31         valid_creds = self.api.auth.checkCredentials(creds, "update")
  32
  33         # verify permissions
  34         hrn = record_dict.get('hrn', '')
  35         self.api.auth.verify_object_permission(hrn)
  36
  37         # log
  38         origin_hrn = Credential(
  39             string=valid_creds[0]).get_gid_caller().get_hrn()
  40         self.api.logger.info("interface: %s\tcaller-hrn: %s\ttarget-hrn: %s\tmethod-name: %s" %
  41                              (self.api.interface, origin_hrn, hrn, self.name))
  42
  43         return self.api.manager.Update(self.api, record_dict)