unbinding the foreign person before adding key
[sfa.git] / sfa / plc / slices.py
index bb41d78..8c6ddeb 100644 (file)
@@ -3,7 +3,10 @@
 
 import datetime
 import time
+import traceback
+import sys
 
+from types import StringTypes
 from sfa.util.misc import *
 from sfa.util.rspec import *
 from sfa.util.specdict import *
@@ -20,7 +23,7 @@ class Slices(SimpleStorage):
         self.api = api
         self.ttl = ttl
         self.threshold = None
-        path = self.api.config.config_path
+        path = self.api.config.SFA_BASE_DIR
         filename = ".".join([self.api.interface, self.api.hrn, "slices"])
         filepath = path + os.sep + filename
         self.slices_file = filepath
@@ -29,6 +32,27 @@ class Slices(SimpleStorage):
         self.load()
 
 
+    def get_peer(self, hrn):
+        # Becaues of myplc federation,  we first need to determine if this
+        # slice belongs to out local plc or a myplc peer. We will assume it 
+        # is a local site, unless we find out otherwise  
+        peer = None
+
+        # get this slice's authority (site)
+        slice_authority = get_authority(hrn)
+
+        # get this site's authority (sfa root authority or sub authority)
+        site_authority = get_authority(slice_authority).lower()
+
+        # check if we are already peered with this site_authority, if so
+        peers = self.api.plshell.GetPeers(self.api.plauth, {}, ['peer_id', 'peername', 'shortname', 'hrn_root'])
+        for peer_record in peers:
+            names = [name.lower() for name in peer_record.values() if isinstance(name, StringTypes)]
+            if site_authority in names:
+                peer = peer_record['shortname']
+
+        return peer
+
     def refresh(self):
         """
         Update the cached list of slices
@@ -93,53 +117,73 @@ class Slices(SimpleStorage):
             self.delete_slice_smgr(hrn)
         
     def delete_slice_aggregate(self, hrn):
+
         slicename = hrn_to_pl_slicename(hrn)
-        slices = self.api.plshell.GetSlices(self.api.plauth, {'peer_id': None, 'name': slicename})
+        slices = self.api.plshell.GetSlices(self.api.plauth, {'name': slicename})
         if not slices:
             return 1        
         slice = slices[0]
 
+        # determine if this is a peer slice
+        peer = self.get_peer(hrn)
+        if peer:
+            self.api.plshell.UnBindObjectFromPeer(self.api.plauth, 'slice', slice['slice_id'], peer)
         self.api.plshell.DeleteSliceFromNodes(self.api.plauth, slicename, slice['node_ids'])
+        if peer:
+            self.api.plshell.BindObjectToPeer(self.api.plauth, 'slice', slice['slice_id'], peer, slice['peer_slice_id'])
         return 1
 
     def delete_slice_smgr(self, hrn):
         credential = self.api.getCredential()
         aggregates = Aggregates(self.api)
         for aggregate in aggregates:
-            aggregates[aggregate].delete_slice(credential, hrn)
+            try:
+                aggregates[aggregate].delete_slice(credential, hrn)
+            except:
+                print >> log, "Error calling list nodes at aggregate %s" % aggregate
+                traceback.print_exc(log)
+                exc_type, exc_value, exc_traceback = sys.exc_info()
+                print exc_type, exc_value, exc_traceback
 
     def create_slice(self, hrn, rspec):
-        # check our slice policy before we procede
+        
+       # check our slice policy before we procede
         whitelist = self.policy['slice_whitelist']     
         blacklist = self.policy['slice_blacklist']
-        
+       
         if whitelist and hrn not in whitelist or \
            blacklist and hrn in blacklist:
             policy_file = self.policy.policy_file
             print >> log, "Slice %(hrn)s not allowed by policy %(policy_file)s" % locals()
             return 1
+
         if self.api.interface in ['aggregate']:     
             self.create_slice_aggregate(hrn, rspec)
         elif self.api.interface in ['slicemgr']:
             self.create_slice_smgr(hrn, rspec)
-    def create_slice_aggregate(self, hrn, rspec):    
+
+    def create_slice_aggregate(self, hrn, rspec):
+
+        # Determine if this is a peer slice
+        peer = self.get_peer(hrn)
+
         spec = Rspec(rspec)
         # Get the slice record from geni
         slice = {}
+        slice_record = None
         registries = Registries(self.api)
         registry = registries[self.api.hrn]
         credential = self.api.getCredential()
         records = registry.resolve(credential, hrn)
         for record in records:
             if record.get_type() in ['slice']:
-                slice = record.as_dict()
-        if not slice:
+                slice_record = record.as_dict()
+        if not slice_record:
             raise RecordNotFound(hrn)   
 
         # Make sure slice exists at plc, if it doesnt add it
         slicename = hrn_to_pl_slicename(hrn)
-        slices = self.api.plshell.GetSlices(self.api.plauth, [slicename], ['node_ids'])
+        slices = self.api.plshell.GetSlices(self.api.plauth, [slicename], ['slice_id', 'node_ids'])
         if not slices:
             parts = slicename.split("_")
             login_base = parts[0]
@@ -155,21 +199,32 @@ class Slices(SimpleStorage):
                 site = site_record.as_dict()
                 
                  # add the site
-                site.pop('site_id')
+                remote_site_id = site.pop('site_id')
                 site_id = self.api.plshell.AddSite(self.api.plauth, site)
+                # this belongs to a peer 
+                if peer:
+                    self.api.plshell.BindObjectToPeer(self.api.plauth, 'site', site_id, peer, remote_site_id)
             else:
                 site = sites[0]
             
+            # create slice object
             slice_fields = {}
             slice_keys = ['name', 'url', 'description']
             for key in slice_keys:
-                if key in slice and slice[key]:
-                    slice_fields[key] = slice[key]  
-            self.api.plshell.AddSlice(self.api.plauth, slice_fields)
+                if key in slice_record and slice_record[key]:
+                    slice_fields[key] = slice_record[key]
+
+            # add the slice  
+            slice_id = self.api.plshell.AddSlice(self.api.plauth, slice_fields)
             slice = slice_fields
-            slice['node_ids'] = 0
+            
+            #this belongs to a peer
+            if peer:
+                self.api.plshell.BindObjectToPeer(self.api.plauth, 'slice', slice_id, peer, slice_record['pointer'])
+            slice['node_ids'] = []
         else:
-            slice = slices[0]    
+            slice = slices[0]
+            slice_id = slice['slice_id']    
         # get the list of valid slice users from the registry and make 
         # they are added to the slice 
         researchers = record.get('researcher', [])
@@ -186,12 +241,30 @@ class Slices(SimpleStorage):
 
             # Create the person record 
             if not persons:
-                self.api.plshell.AddPerson(self.api.plauth, person_dict)
+                person_id=self.api.plshell.AddPerson(self.api.plauth, person_dict)
+
+                # The line below enables the user account on the remote 
+                # aggregate soon after it is created. without this the 
+                # user key is not transfered to the slice (as GetSlivers 
+                # returns key of only enabled users), which prevents the 
+                # user from login to the slice. We may do additional checks 
+                # before enabling the user.
+
+                self.api.plshell.UpdatePerson(self.api.plauth, person_id, {'enabled' : True})
+                if peer:
+                    self.api.plshell.BindObjectToPeer(self.api.plauth, 'person', person_id, peer, person_record['pointer'])
                 key_ids = []
             else:
+                person_id = persons[0]['person_id'] 
                 key_ids = persons[0]['key_ids']
 
-            self.api.plshell.AddPersonToSlice(self.api.plauth, person_dict['email'], slicename)        
+            # if this is a peer person, we must unbind them from the peer or PLCAPI will throw
+            # an error
+            if peer:
+                self.api.plshell.UnBindObjectFromPeer(self.api.plauth, 'person', person_id, peer)
+            self.api.plshell.AddPersonToSlice(self.api.plauth, person_dict['email'], slicename)   
+            if peer:
+               self.api.plshell.BindObjectToPeer(self.api.plauth, 'person', person_id, peer, person_record['pointer'])
 
             # Get this users local keys
             keylist = self.api.plshell.GetKeys(self.api.plauth, key_ids, ['key'])
@@ -201,7 +274,11 @@ class Slices(SimpleStorage):
             for personkey in person_dict['keys']:
                 if personkey not in keys:
                     key = {'key_type': 'ssh', 'key': personkey}
+                    if peer:
+                        self.api.plshell.UnBindObjectFromPeer(self.api.plauth, 'person', person_id, peer, person_record['pointer'])
                     self.api.plshell.AddPersonKey(self.api.plauth, person_dict['email'], key)
+                    if peer:
+                        self.api.plshell.BindObjectToPeer(self.api.plauth, 'person', person_id, peer, person_record['pointer'])
 
         # find out where this slice is currently running
         nodelist = self.api.plshell.GetNodes(self.api.plauth, slice['node_ids'], ['hostname'])
@@ -221,8 +298,12 @@ class Slices(SimpleStorage):
         # add nodes from rspec
         added_nodes = list(set(nodes).difference(hostnames))
 
+        if peer:
+            self.api.plshell.UnBindObjectFromPeer(self.api.plauth, 'slice', slice_id, peer)
         self.api.plshell.AddSliceToNodes(self.api.plauth, slicename, added_nodes) 
         self.api.plshell.DeleteSliceFromNodes(self.api.plauth, slicename, deleted_nodes)
+        if peer:
+            self.api.plshell.BindObjectToPeer(self.api.plauth, 'slice', slice_id, peer, slice_record['pointer'])
 
         return 1
 
@@ -254,9 +335,14 @@ class Slices(SimpleStorage):
         # notify the aggregates
         for aggregate in rspecs.keys():
             try:
-                aggregates[aggregate].create_slice(credential, hrn, rspecs[aggregate])
+                # send the whloe rspec to the local aggregate
+                if aggregate in [self.api.hrn]:
+                    aggregates[aggregate].create_slice(credential, hrn, rspec)
+                else:
+                    aggregates[aggregate].create_slice(credential, hrn, rspecs[aggregate])
             except:
                 print >> log, "Error creating slice %(hrn)s at aggregate %(aggregate)s" % locals()
+                traceback.print_exc()
         return 1