sfa/methods/Shutdown.py

   1 from sfa.storage.parameter import Parameter
   2 from sfa.trust.credential import Credential
   3 from sfa.util.method import Method
   4 from sfa.util.sfalogging import logger
   5
   6
   7 class Shutdown(Method):
   8     """
   9     Perform an emergency shut down of a sliver. This operation is intended for administrative use.
  10     The sliver is shut down but remains available for further forensics.
  11
  12     @param slice_urn (string) URN of slice to renew
  13     @param credentials ([string]) of credentials
  14     """
  15     interfaces = ['aggregate']
  16     accepts = [
  17         Parameter(str, "Slice URN"),
  18         Parameter(type([dict]), "Credentials"),
  19     ]
  20     returns = Parameter(bool, "Success or Failure")
  21
  22     def call(self, xrn, creds):
  23
  24         valid_creds = self.api.auth.checkCredentials(
  25             creds, 'stopslice', xrn,
  26             check_sliver_callback=self.api.driver.check_sliver_credentials)
  27         # log the call
  28         origin_hrn = Credential(cred=valid_creds[0]).get_gid_caller().get_hrn()
  29         logger.info("interface: %s\tcaller-hrn: %s\ttarget-hrn: %s\tmethod-name: %s" %
  30                     (self.api.interface, origin_hrn, xrn, self.name))
  31
  32         return self.api.manager.Shutdown(self.api, xrn, creds)