sfa/methods/Update.py

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