X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=sfa%2Fmethods%2FCreateSliver.py;h=2797489193bdedb3ee73a797895784d40f5a6764;hb=f2282434e40e06365e0fdd3f9bc273a793f41235;hp=fb1a292051d4e9d037b51e3921b9cf92a33bc479;hpb=90ab94deecf2371c199d56cd35f0fd4fd20233e4;p=sfa.git

diff --git a/sfa/methods/CreateSliver.py b/sfa/methods/CreateSliver.py
index fb1a2920..27974891 100644
--- a/sfa/methods/CreateSliver.py
+++ b/sfa/methods/CreateSliver.py
@@ -1,12 +1,9 @@
-from sfa.util.faults import SfaInvalidArgument
+from sfa.util.faults import SfaInvalidArgument, InvalidRSpec
 from sfa.util.xrn import urn_to_hrn
 from sfa.util.method import Method
 from sfa.util.sfatablesRuntime import run_sfatables
-
 from sfa.trust.credential import Credential
-
 from sfa.storage.parameter import Parameter, Mixed
-
 from sfa.rspecs.rspec import RSpec
 
 class CreateSliver(Method):
@@ -32,7 +29,7 @@ class CreateSliver(Method):
         ]
     returns = Parameter(str, "Allocated RSpec")
 
-    def call(self, slice_xrn, creds, rspec, users, options={}):
+    def call(self, slice_xrn, creds, rspec, users, options):
         hrn, type = urn_to_hrn(slice_xrn)
 
         self.api.logger.info("interface: %s\ttarget-hrn: %s\tmethod-name: %s"%(self.api.interface, hrn, self.name))
@@ -43,7 +40,7 @@ class CreateSliver(Method):
 
         # 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." 
+            msg = "'users' must be specified and cannot be null. You may need to update your client." 
             raise SfaInvalidArgument(name='users', extra=msg)  
 
         # flter rspec through sfatables
@@ -54,8 +51,7 @@ class CreateSliver(Method):
         self.api.logger.debug("CreateSliver: sfatables on chain %s"%chain_name)
         rspec = run_sfatables(chain_name, hrn, origin_hrn, rspec)
         slivers = RSpec(rspec).version.get_nodes_with_slivers()
-        if slivers:
-            result = self.api.manager.CreateSliver(self.api, slice_xrn, creds, rspec, users, options)
-        else:
-            result = rspec     
+        if not slivers:
+            raise InvalidRSpec("Missing <sliver_type> or <sliver> element. Request rspec must explicitly allocate slivers")    
+        result = self.api.manager.CreateSliver(self.api, slice_xrn, creds, rspec, users, options)
         return result