sfa/methods/Delete.py

   1 from sfa.util.xrn import urn_to_hrn
   2 from sfa.util.method import Method
   3 from sfa.storage.parameter import Parameter, Mixed
   4 from sfa.trust.auth import Auth
   5 from sfa.trust.credential import Credential
   6
   7
   8 class Delete(Method):
   9     """
  10     Remove the slice or slivers and free the allocated resources
  11
  12     @param xrns human readable name of slice to instantiate (hrn or urn)
  13     @param creds credential string specifying the rights of the caller
  14     @return 1 is successful, faults otherwise
  15     """
  16
  17     interfaces = ['aggregate', 'slicemgr', 'component']
  18
  19     accepts = [
  20         Parameter(
  21             type([str]), "Human readable name of slice to delete (hrn or urn)"),
  22         Parameter(type([dict]), "Credentials"),
  23         Parameter(dict, "options"),
  24     ]
  25
  26     returns = Parameter(int, "1 if successful")
  27
  28     def call(self, xrns, creds, options):
  29         valid_creds = self.api.auth.checkCredentialsSpeaksFor(creds, 'deletesliver', xrns,
  30                                                               check_sliver_callback=self.api.driver.check_sliver_credentials,
  31                                                               options=options)
  32
  33         # log the call
  34         origin_hrn = Credential(cred=valid_creds[0]).get_gid_caller().get_hrn()
  35         self.api.logger.info("interface: %s\tcaller-hrn: %s\ttarget-hrn: %s\tmethod-name: %s" %
  36                              (self.api.interface, origin_hrn, xrns, self.name))
  37
  38         return self.api.manager.Delete(self.api, xrns, creds, options)