Changed Rspec --> RSpec throughout.
[sfa.git] / sfa / plc / slices.py
index af40562..f059136 100644 (file)
@@ -12,7 +12,9 @@ from sfa.util.rspec import *
 from sfa.util.specdict import *
 from sfa.util.faults import *
 from sfa.util.storage import *
+from sfa.util.record import GeniRecord
 from sfa.util.policy import Policy
+from sfa.util.prefixTree import prefixTree
 from sfa.util.debug import log
 from sfa.server.aggregate import Aggregates
 from sfa.server.registry import Registries
@@ -30,7 +32,7 @@ class Slices(SimpleStorage):
         SimpleStorage.__init__(self, self.slices_file)
         self.policy = Policy(self.api)    
         self.load()
-       self.caller_cred=caller_cred
+        self.caller_cred=caller_cred
 
 
     def get_peer(self, hrn):
@@ -54,6 +56,17 @@ class Slices(SimpleStorage):
 
         return peer
 
+    def get_sfa_peer(self, hrn):
+        # return the authority for this hrn or None if we are the authority
+        sfa_peer = None
+        slice_authority = get_authority(hrn)
+        site_authority = get_authority(slice_authority)
+
+        if site_authority != self.api.hrn:
+            sfa_peer = site_authority
+
+        return sfa_peer 
+
     def refresh(self):
         """
         Update the cached list of slices
@@ -90,9 +103,11 @@ class Slices(SimpleStorage):
         slice_hrns = []
         aggregates = Aggregates(self.api)
         credential = self.api.getCredential()
+        arg_list = [credential]
+        request_hash = self.api.key.compute_hash(arg_list)
         for aggregate in aggregates:
             try:
-                slices = aggregates[aggregate].get_slices(credential)
+                slices = aggregates[aggregate].get_slices(credential, request_hash)
                 slice_hrns.extend(slices)
             except:
                 print >> log, "Error calling slices at aggregate %(aggregate)s" % locals()
@@ -136,10 +151,13 @@ class Slices(SimpleStorage):
 
     def delete_slice_smgr(self, hrn):
         credential = self.api.getCredential()
+        caller_cred = self.caller_cred
         aggregates = Aggregates(self.api)
+        arg_list = [credential, hrn]
+        request_hash = self.api.key.compute_hash(arg_list)
         for aggregate in aggregates:
             try:
-                aggregates[aggregate].delete_slice(credential, hrn, caller_cred=self.caller_cred)
+                aggregates[aggregate].delete_slice(credential, hrn, request_hash, caller_cred)
             except:
                 print >> log, "Error calling list nodes at aggregate %s" % aggregate
                 traceback.print_exc(log)
@@ -163,55 +181,56 @@ class Slices(SimpleStorage):
         elif self.api.interface in ['slicemgr']:
             self.create_slice_smgr(hrn, rspec)
 
-    def create_slice_aggregate(self, hrn, rspec):
+    def verify_site(self, registry, credential, slice_hrn, peer, sfa_peer):
+        authority = get_authority(slice_hrn)
+        arg_list = [credential, authority]
+        request_hash = self.api.key.compute_hash(arg_list)
+        site_records = registry.resolve(credential, authority, request_hash)
+        site = {}
+        for site_record in site_records:
+            if site_record['type'] == 'authority':
+                site = site_record
+        if not site:
+            raise RecordNotFound(authority)
+        remote_site_id = site.pop('site_id')    
+                
+        login_base = get_leaf(authority)
+        sites = self.api.plshell.GetSites(self.api.plauth, login_base)
+        if not sites:
+            site_id = self.api.plshell.AddSite(self.api.plauth, site)
+            if peer:
+                self.api.plshell.BindObjectToPeer(self.api.plauth, 'site', site_id, peer, remote_site_id)   
+            # mark this site as an sfa peer record
+            if sfa_peer:
+                peer_dict = {'type': 'authority', 'hrn': authority, 'peer_authority': sfa_peer, 'pointer': site_id}
+                arg_list = [credential]
+                request_hash = self.api.key.compute_hash(arg_list) 
+                registry.register_peer_object(credential, peer_dict, request_hash)
+                pass
+        else:
+            site_id = sites[0]['site_id']
+            remote_site_id = sites[0]['peer_site_id']
 
-        # Determine if this is a peer slice
-        peer = self.get_peer(hrn)
 
-        spec = Rspec(rspec)
-        # Get the slice record from sfa
+        return (site_id, remote_site_id) 
+
+    def verify_slice(self, registry, credential, slice_hrn, site_id, remote_site_id, peer, sfa_peer):
         slice = {}
         slice_record = None
-        registries = Registries(self.api)
-        registry = registries[self.api.hrn]
-        credential = self.api.getCredential()
-        slice_records = registry.resolve(credential, hrn)
+        authority = get_authority(slice_hrn)
+        arg_list = [credential, slice_hrn]
+        request_hash = self.api.key.compute_hash(arg_list)
+        slice_records = registry.resolve(credential, slice_hrn, request_hash)
         for record in slice_records:
-            if record.get_type() in ['slice']:
-                slice_record = record.as_dict()
+            if record['type'] in ['slice']:
+                slice_record = record
         if not slice_record:
-            raise RecordNotFound(hrn)  
-
-        # Get the slice's site record
-        authority = get_authority(hrn)
-        site_records = registry.resolve(credential, authority)
-        site = {}
-        for site_record in site_records:
-            if site_record.get_type() in ['authority']:
-                site = site_record.as_dict()
-        if not site:
-            raise RecordNotFound(authority)
-        remote_site_id = site.pop('site_id')
-            
-        # 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], ['slice_id', 'node_ids', 'site_id'] )
+            raise RecordNotFound(hrn)
+        slicename = hrn_to_pl_slicename(slice_hrn)
         parts = slicename.split("_")
         login_base = parts[0]
-        # if site doesnt exist add it
-        sites = self.api.plshell.GetSites(self.api.plauth, [login_base])
+        slices = self.api.plshell.GetSlices(self.api.plauth, [slicename], ['slice_id', 'node_ids', 'site_id']) 
         if not slices:
-            if not sites:
-                # add the site
-                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_id = sites[0]['site_id']
-                remote_site_id = sites[0]['peer_site_id']
-            
-            # create slice object
             slice_fields = {}
             slice_keys = ['name', 'url', 'description']
             for key in slice_keys:
@@ -221,7 +240,16 @@ class Slices(SimpleStorage):
             # add the slice  
             slice_id = self.api.plshell.AddSlice(self.api.plauth, slice_fields)
             slice = slice_fields
-            
+            slice['slice_id'] = slice_id
+
+            # mark this slice as an sfa peer record
+            if sfa_peer:
+                peer_dict = {'type': 'slice', 'hrn': slice_hrn, 'peer_authority': sfa_peer, 'pointer': slice_id}
+                arg_list = [credential]
+                request_hash = self.api.key.compute_hash(arg_list) 
+                registry.register_peer_object(credential, peer_dict, request_hash)
+                pass
+
             #this belongs to a peer
             if peer:
                 self.api.plshell.BindObjectToPeer(self.api.plauth, 'slice', slice_id, peer, slice_record['pointer'])
@@ -229,41 +257,56 @@ class Slices(SimpleStorage):
         else:
             slice = slices[0]
             slice_id = slice['slice_id']
-            site_id = slice['site_id']    
-            remote_site_id = sites[0]['peer_site_id']
+            site_id = slice['site_id']
+
+        slice['peer_slice_id'] = slice_record['pointer']
+        self.verify_persons(registry, credential, slice_record, site_id, remote_site_id, peer, sfa_peer)
+    
+        return slice        
+
+    def verify_persons(self, registry, credential, slice_record, site_id, remote_site_id, peer, sfa_peer):
         # get the list of valid slice users from the registry and make 
-        # they are added to the slice 
-        researchers = record.get('researcher', [])
+        # sure they are added to the slice 
+        slicename = hrn_to_pl_slicename(slice_record['hrn'])
+        researchers = slice_record.get('researcher', [])
         for researcher in researchers:
+            arg_list = [credential, researcher]
+            request_hash = self.api.key.compute_hash(arg_list) 
             person_record = {}
-            person_records = registry.resolve(credential, researcher)
+            person_records = registry.resolve(credential, researcher, request_hash)
             for record in person_records:
-                if record.get_type() in ['user']:
+                if record['type'] in ['user']:
                     person_record = record
             if not person_record:
                 pass
-            person_dict = person_record.as_dict()
-            persons = self.api.plshell.GetPersons(self.api.plauth, [person_dict['email']], ['person_id', 'key_ids'])
+            person_dict = person_record
+            if peer:
+                peer_id = self.api.plshell.GetPeers(self.api.plauth, {'shortname': peer}, ['peer_id'])[0]['peer_id']
+                persons = self.api.plshell.GetPersons(self.api.plauth, {'email': [person_dict['email']], 'peer_id': peer_id}, ['person_id', 'key_ids'])
 
-            # Create the person record 
+            else:
+                persons = self.api.plshell.GetPersons(self.api.plauth, [person_dict['email']], ['person_id', 'key_ids'])   
+        
             if not persons:
                 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})
+                
+                # mark this person as an sfa peer record
+                if sfa_peer:
+                    peer_dict = {'type': 'user', 'hrn': researcher, 'peer_authority': sfa_peer, 'pointer': person_id}
+                    arg_list = [credential]
+                    request_hash = self.api.key.compute_hash(arg_list) 
+                    registry.register_peer_object(credential, peer_dict, request_hash)
+                    pass
+
                 if peer:
                     self.api.plshell.BindObjectToPeer(self.api.plauth, 'person', person_id, peer, person_dict['pointer'])
                 key_ids = []
             else:
-                person_id = persons[0]['person_id'] 
+                person_id = persons[0]['person_id']
                 key_ids = persons[0]['key_ids']
 
+
             # if this is a peer person, we must unbind them from the peer or PLCAPI will throw
             # an error
             if peer:
@@ -271,29 +314,48 @@ class Slices(SimpleStorage):
                 self.api.plshell.UnBindObjectFromPeer(self.api.plauth, 'site', site_id,  peer)
 
             self.api.plshell.AddPersonToSlice(self.api.plauth, person_dict['email'], slicename)
-            self.api.plshell.AddPersonToSite(self.api.plauth, person_dict['email'], site_id)   
+            self.api.plshell.AddPersonToSite(self.api.plauth, person_dict['email'], site_id)
             if peer:
                 self.api.plshell.BindObjectToPeer(self.api.plauth, 'person', person_id, peer, person_dict['pointer'])
-                self.api.plshell.BindObjectToPeer(self.api.plauth, 'site', site_id, peer, remote_site_id) 
-
-            # Get this users local keys
-            keylist = self.api.plshell.GetKeys(self.api.plauth, key_ids, ['key'])
-            keys = [key['key'] for key in keylist]
-
-            # add keys that arent already there 
-            key_ids=person_dict['key_ids']
-            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)
-                    key_id=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_dict['pointer'])
-                        # BindObjectToPeer may faill if type is key and it's already bound to the peer
-                        # so lets just put a try/except here
-                        try: self.api.plshell.BindObjectToPeer(self.api.plauth, 'key', key_id, peer, key_ids.pop(0))
-                        except: pass
+                self.api.plshell.BindObjectToPeer(self.api.plauth, 'site', site_id, peer, remote_site_id)
+            
+            self.verify_keys(registry, credential, person_dict, key_ids, person_id, peer)
+
+    def verify_keys(self, registry, credential, person_dict, key_ids, person_id,  peer):
+        keylist = self.api.plshell.GetKeys(self.api.plauth, key_ids, ['key'])
+        keys = [key['key'] for key in keylist]
+        
+        #add keys that arent already there
+        key_ids = person_dict['key_ids']
+        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)
+                key_id = 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_dict['pointer'])
+                    try: self.api.plshell.BindObjectToPeer(self.api.plauth, 'key', key_id, peer, key_ids.pop(0))
+
+                    except: pass   
+
+    def create_slice_aggregate(self, hrn, rspec):
+
+        # Determine if this is a peer slice
+        peer = self.get_peer(hrn)
+        sfa_peer = self.get_sfa_peer(hrn)
+
+        spec = RSpec(rspec)
+        # Get the slice record from sfa
+        slicename = hrn_to_pl_slicename(hrn) 
+        slice = {}
+        slice_record = None
+        registries = Registries(self.api)
+        registry = registries[self.api.hrn]
+        credential = self.api.getCredential()
+
+        site_id, remote_site_id = self.verify_site(registry, credential, hrn, peer, sfa_peer)
+        slice = self.verify_slice(registry, credential, hrn, site_id, remote_site_id, peer, sfa_peer)
 
         # find out where this slice is currently running
         nodelist = self.api.plshell.GetNodes(self.api.plauth, slice['node_ids'], ['hostname'])
@@ -314,21 +376,21 @@ class Slices(SimpleStorage):
         added_nodes = list(set(nodes).difference(hostnames))
 
         if peer:
-            self.api.plshell.UnBindObjectFromPeer(self.api.plauth, 'slice', slice_id, peer)
+            self.api.plshell.UnBindObjectFromPeer(self.api.plauth, 'slice', 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'])
+            self.api.plshell.BindObjectToPeer(self.api.plauth, 'slice', slice['slice_id'], peer, slice['peer_slice_id'])
 
         return 1
 
     def create_slice_smgr(self, hrn, rspec):
-        spec = Rspec()
-        tempspec = Rspec()
+        spec = RSpec()
+        tempspec = RSpec()
         spec.parseString(rspec)
         slicename = hrn_to_pl_slicename(hrn)
         specDict = spec.toDict()
-        if specDict.has_key('Rspec'): specDict = specDict['Rspec']
+        if specDict.has_key('RSpec'): specDict = specDict['RSpec']
         if specDict.has_key('start_time'): start_time = specDict['start_time']
         else: start_time = 0
         if specDict.has_key('end_time'): end_time = specDict['end_time']
@@ -337,26 +399,45 @@ class Slices(SimpleStorage):
         rspecs = {}
         aggregates = Aggregates(self.api)
         credential = self.api.getCredential()
-        # only attempt to extract information about the aggregates we know about
-        for aggregate in aggregates:
-            netspec = spec.getDictByTagNameValue('NetSpec', aggregate)
-            if netspec:
-                # creat a plc dict 
-                resources = {'start_time': start_time, 'end_time': end_time, 'networks': netspec}
-                resourceDict = {'Rspec': resources}
-                tempspec.parseDict(resourceDict)
-                rspecs[aggregate] = tempspec.toxml()
-
-        # notify the aggregates
-        for aggregate in rspecs.keys():
+
+        # split the netspecs into individual rspecs
+        netspecs = spec.getDictsByTagName('NetSpec')
+        for netspec in netspecs:
+            net_hrn = netspec['name']
+            resources = {'start_time': start_time, 'end_time': end_time, 'networks': netspec}
+            resourceDict = {'RSpec': resources}
+            tempspec.parseDict(resourceDict)
+            rspecs[net_hrn] = tempspec.toxml()
+
+        # send each rspec to the appropriate aggregate/sm
+        caller_cred = self.caller_cred 
+        for net_hrn in rspecs:
             try:
-                # send the whloe rspec to the local aggregate
-                if aggregate in [self.api.hrn]:
-                    aggregates[aggregate].create_slice(credential, hrn, rspec, caller_cred=self.caller_cred)
+                # if we are directly connected to the aggregate then we can just send them the rspec
+                # if not, then we may be connected to an sm thats connected to the aggregate
+                if net_hrn in aggregates:
+                    # send the whloe rspec to the local aggregate
+                    if net_hrn in [self.api.hrn]:
+                        arg_list = [credential,hrn,rspec]
+                        request_hash = self.api.key.compute_hash(arg_list)
+                        aggregates[net_hrn].create_slice(credential, hrn, rspec, request_hash, caller_cred)
+                    else:
+                        arg_list = [credential,hrn,rspecs[net_hrn]]
+                        request_hash = self.api.key.compute_hash(arg_list)
+                        aggregates[net_hrn].create_slice(credential, hrn, rspecs[net_hrn], request_hash, caller_cred)
                 else:
-                    aggregates[aggregate].create_slice(credential, hrn, rspecs[aggregate], caller_cred=self.caller_cred)
+                    # lets forward this rspec to a sm that knows about the network
+                    arg_list = [credential, net_hrn]
+                    request_hash = self.api.compute_hash(arg_list)    
+                    for aggregate in aggregates:
+                        network_found = aggregates[aggregate].get_aggregates(credential, net_hrn, request_hash)
+                        if network_networks:
+                            arg_list = [credential, hrn, rspecs[net_hrn]]
+                            request_hash = self.api.key.compute_hash(arg_list) 
+                            aggregates[aggregate].create_slice(credential, hrn, rspecs[net_hrn], request_hash, caller_cred)
+                     
             except:
-                print >> log, "Error creating slice %(hrn)s at aggregate %(aggregate)s" % locals()
+                print >> log, "Error creating slice %(hrn)s at aggregate %(net_hrn)s" % locals()
                 traceback.print_exc()
         return 1
 
@@ -406,6 +487,8 @@ class Slices(SimpleStorage):
     def stop_slice_smgr(self, hrn):
         credential = self.api.getCredential()
         aggregates = Aggregates(self.api)
+        arg_list = [credential, hrn]
+        request_hash = self.api.key.compute_hash(arg_list)
         for aggregate in aggregates:
-            aggregates[aggregate].stop_slice(credential, hrn)  
+            aggregates[aggregate].stop_slice(credential, hrn, request_hash)