sfa/methods/Provision.py

   1 from sfa.util.faults import SfaInvalidArgument, InvalidRSpec
   2 from sfa.util.xrn import urn_to_hrn
   3 from sfa.util.method import Method
   4 from sfa.util.sfatablesRuntime import run_sfatables
   5 from sfa.trust.credential import Credential
   6 from sfa.storage.parameter import Parameter, Mixed
   7 from sfa.rspecs.rspec import RSpec
   8
   9
  10 class Provision(Method):
  11     """
  12     Request that the named geni_allocated slivers be made
  13     geni_provisioned, instantiating or otherwise realizing the
  14     resources, such that they have a valid geni_operational_status
  15     and may possibly be made geni_ready for experimenter use. This
  16     operation is synchronous, but may start a longer process, such
  17     as creating and imaging a virtual machine
  18
  19     @param slice urns ([string]) URNs of slivers to provision to
  20     @param credentials (dict) of credentials
  21     @param options (dict) options
  22
  23     """
  24     interfaces = ['aggregate', 'slicemgr']
  25     accepts = [
  26         Parameter(type([str]), "URNs"),
  27         Parameter(type([dict]), "Credentials"),
  28         Parameter(dict, "options"),
  29     ]
  30     returns = Parameter(dict, "Provisioned Resources")
  31
  32     def call(self, xrns, creds, options):
  33         self.api.logger.info("interface: %s\ttarget-hrn: %s\tmethod-name: %s" %
  34                              (self.api.interface, xrns, self.name))
  35
  36         # Find the valid credentials
  37         valid_creds = self.api.auth.checkCredentialsSpeaksFor(creds, 'createsliver', xrns,
  38                                                               check_sliver_callback=self.api.driver.check_sliver_credentials,
  39                                                               options=options)
  40         origin_hrn = Credential(cred=valid_creds[0]).get_gid_caller().get_hrn()
  41         self.api.logger.info("interface: %s\tcaller-hrn: %s\ttarget-hrn: %s\tmethod-name: %s" %
  42                              (self.api.interface, origin_hrn, xrns, self.name))
  43         result = self.api.manager.Provision(self.api, xrns, creds, options)
  44         return result