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