using sfa.util.namespace instead of sfa.util.misc

[sfa.git] / sfa / plc / nodes.py

diff --git a/sfa/plc/nodes.py b/sfa/plc/nodes.py
index 3fb3e98..9a2a853 100644 (file)
--- a/sfa/plc/nodes.py
+++ b/sfa/plc/nodes.py
@@ -7,7 +7,7 @@ import datetime
 import sys
 import traceback
 
-from sfa.util.misc import *
+from sfa.util.namespace import *
 from sfa.util.rspec import *
 from sfa.util.specdict import * 
 from sfa.util.faults import *
@@ -20,18 +20,18 @@ from sfa.server.aggregate import Aggregates
 
 class Nodes(SimpleStorage):
 
-    def __init__(self, api, ttl = 1, caller_cred=None):
+    def __init__(self, api, ttl = 1, origin_hrn=None):
         self.api = api
         self.ttl = ttl
         self.threshold = None
-        path = self.api.config.SFA_BASE_DIR
+        path = self.api.config.SFA_DATA_DIR
         filename = ".".join([self.api.interface, self.api.hrn, "nodes"])
         filepath = path + os.sep + filename
         self.nodes_file = filepath
         SimpleStorage.__init__(self, self.nodes_file)
         self.policy = Policy(api)
         self.load()
-        self.caller_cred=caller_cred
+        self.origin_hrn = origin_hrn
 
 
     def refresh(self):
@@ -110,15 +110,13 @@ class Nodes(SimpleStorage):
         rspecs = {}
         networks = []
         rspec = RSpec()
-        credential = self.api.getCredential() 
+        credential = self.api.getCredential()
+        origin_hrn = self.origin_hrn
         for aggregate in aggregates:
+          if aggregate not in [self.api.auth.client_cred.get_gid_caller().get_hrn()]:
             try:
-                caller_cred = self.caller_cred
-                arg_list = [credential, hrn]
-                request_hash = self.api.key.compute_hash(arg_list)
-                
                 # get the rspec from the aggregate
-                agg_rspec = aggregates[aggregate].get_resources(credential, hrn, request_hash, caller_cred)
+                agg_rspec = aggregates[aggregate].get_resources(credential, hrn, origin_hrn)
                 # extract the netspec from each aggregates rspec
                 rspec.parseString(agg_rspec)
                 networks.extend([{'NetSpec': rspec.getDictsByTagName('NetSpec')}])
@@ -173,6 +171,7 @@ class Nodes(SimpleStorage):
         Get resource information from PLC
         """
 
+        slicename = None
         # Get the required nodes
         if not hrn:
             nodes = self.api.plshell.GetNodes(self.api.plauth, {'peer_id': None})
@@ -190,7 +189,10 @@ class Nodes(SimpleStorage):
 
         # Filter out whitelisted nodes
         public_nodes = lambda n: n.has_key('slice_ids_whitelist') and not n['slice_ids_whitelist']
-        nodes = filter(public_nodes, nodes)
+            
+        # ...only if they are not already assigned to this slice.
+        if (not slicename):        
+            nodes = filter(public_nodes, nodes)
 
         # Get all network interfaces
         interface_ids = []