Contd... (integrating sfatables)

[sfa.git] / sfa / methods / get_resources.py

diff --git a/sfa/methods/get_resources.py b/sfa/methods/get_resources.py
index c56d2b2..9b52ba7 100644 (file)
--- a/sfa/methods/get_resources.py
+++ b/sfa/methods/get_resources.py
@@ -4,8 +4,13 @@
 from sfa.util.faults import *
 from sfa.util.method import Method
 from sfa.util.parameter import Parameter, Mixed
-from sfa.util.auth import Auth
-from sfa.util.nodes import Nodes
+from sfa.trust.auth import Auth
+from sfa.util.config import Config
+from sfa.plc.nodes import Nodes
+# RSpecManager_pl is not used. This line is a check that ensures that everything is in place for the import to work.
+import sfa.rspecs.aggregates.rspec_manager_pl
+from sfa.trust.credential import Credential
+from sfatables.runtime import SFATablesRules
 
 class get_resources(Method):
     """
@@ -27,14 +32,35 @@ class get_resources(Method):
 
     returns = Parameter(str, "String representatin of an rspec")
     
-    def call(self, cred, hrn=None):
-        
+    def call(self, cred, hrn=None, caller_cred=None):
+        sfa_aggregate_type = Config().get_aggregate_rspec_type()
+
         self.api.auth.check(cred, 'listnodes')
-        nodes = Nodes(self.api)
-        if hrn:
-            rspec = nodes.get_rspec(hrn)
+       if caller_cred==None:
+          caller_cred=cred
+
+        #log the call
+       self.api.logger.info("interface: %s\tcaller-hrn: %s\ttarget-hrn: %s\tmethod-name: %s"%(self.api.interface, Credential(string=caller_cred).get_gid_caller().get_hrn(), hrn, self.name))
+
+        # This code needs to be cleaned up so that 'pl' is treated as just another RSpec manager.
+        # The change ought to be straightforward as soon as we define PL's new RSpec.
+
+        if (sfa_aggregate_type == 'pl'):
+            nodes = Nodes(self.api, caller_cred=caller_cred)
+            if hrn:
+                rspec = nodes.get_rspec(hrn)
+            else:
+                nodes.refresh()
+                rspec = nodes['rspec']
         else:
-            nodes.refresh()
-            rspec = nodes['rspec']
+            rspec_manager = __import__("sfa.rspecs.aggregates.rspec_manager_"+sfa_aggregate_type, fromlist = ["sfa.rspecs.aggregates"])
+            rspec = rspec_manager.get_rspec(self.api, hrn)
+        
+        # Filter the outgoing rspec using sfatables
+        outgoing_rules = SFATablesRules('OUTGOING')
         
-        return rspec
+        outgoing_rules.set_user(caller_cred.callerGID.hrn) # This is a temporary kludge. Eventually, we'd like to fetch the context requested by the match/target
+
+        filtered_rspec = outgoing_rules.apply(rspec)
+
+        return filtered_rspec