X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=sfa%2Fplanetlab%2Fpldriver.py;h=d16b23a666186e317fa70ca8e83975875551acd6;hb=82d0355774b73966cbe0c838c611808dfd2f1c7a;hp=53f12563845251ad25ff97d886e29aa2e5ce34c6;hpb=4f9d407d0ce159bdb359e9ab500bf88b5f586e62;p=sfa.git

diff --git a/sfa/planetlab/pldriver.py b/sfa/planetlab/pldriver.py
index 53f12563..d16b23a6 100644
--- a/sfa/planetlab/pldriver.py
+++ b/sfa/planetlab/pldriver.py
@@ -23,7 +23,7 @@ from sfa.managers.driver import Driver
 from sfa.planetlab.plshell import PlShell
 from sfa.planetlab.plaggregate import PlAggregate
 from sfa.planetlab.plslices import PlSlices
-from sfa.planetlab.plxrn import PlXrn, slicename_to_hrn, hostname_to_hrn, hrn_to_pl_slicename, xrn_to_hostname, top_auth, hash_loginbase
+from sfa.planetlab.plxrn import PlXrn, slicename_to_hrn, hostname_to_hrn, hrn_to_pl_slicename, top_auth, hash_loginbase
 
 
 def list_to_dict(recs, key):
@@ -692,17 +692,19 @@ class PlDriver (Driver):
         slivers = aggregate.get_slivers(urns)
         if not slivers:
             sliver_id_parts = Xrn(urns[0]).get_sliver_id_parts()
-            filter = {}
-            try:
-                filter['slice_id'] = int(sliver_id_parts[0])
-            except ValueError:
-                filter['name'] = sliver_id_parts[0]
-            slices = self.shell.GetSlices(filter,['hrn'])
-            if not slices:
-                raise Forbidden("Unable to locate slice record for sliver:  %s" % xrn)
-            slice = slices[0]
-            slice_urn = hrn_to_urn(slice['hrn'], type='slice')
-            urns = [slice_urn]          
+            # allow to be called with an empty rspec, meaning flush reservations
+            if sliver_id_parts:
+                filter = {}
+                try:
+                    filter['slice_id'] = int(sliver_id_parts[0])
+                except ValueError:
+                    filter['name'] = sliver_id_parts[0]
+                slices = self.shell.GetSlices(filter,['hrn'])
+                if not slices:
+                    raise Forbidden("Unable to locate slice record for sliver:  %s" % xrn)
+                slice = slices[0]
+                slice_urn = hrn_to_urn(slice['hrn'], type='slice')
+                urns = [slice_urn]          
         else:    
             slice_id = slivers[0]['slice_id']
             slice_hrn = self.shell.GetSliceHrn(slice_id)