-from sfa.util.faults import *
+from sfa.util.faults import SfaInvalidArgument
from sfa.util.xrn import urn_to_hrn
from sfa.util.method import Method
from sfa.util.parameter import Parameter, Mixed
from sfa.util.sfatablesRuntime import run_sfatables
from sfa.trust.credential import Credential
+from sfa.rspecs.rspec import RSpec
class CreateSliver(Method):
"""
valid_creds = self.api.auth.checkCredentials(creds, 'createsliver', hrn)
origin_hrn = Credential(string=valid_creds[0]).get_gid_caller().get_hrn()
+ # make sure users info is specified
+ if not users:
+ msg = "'users' musst be specified and cannot be null. You may need to update your client."
+ raise SfaInvalidArgument(name='users', extra=msg)
+
manager = self.api.get_interface_manager()
# flter rspec through sfatables
chain_name = 'FORWARD-INCOMING'
self.api.logger.debug("CreateSliver: sfatables on chain %s"%chain_name)
rspec = run_sfatables(chain_name, hrn, origin_hrn, rspec)
-
- return manager.CreateSliver(self.api, slice_xrn, creds, rspec, users, call_id)
+ slivers = RSpec(rspec).version.get_nodes_with_slivers()
+ if slivers:
+ result = manager.CreateSliver(self.api, slice_xrn, creds, rspec, users, call_id)
+ else:
+ result = rspec
+ return result