import sys
from types import StringTypes
-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 *
-from sfa.util.record import GeniRecord
+from sfa.util.record import SfaRecord
from sfa.util.policy import Policy
from sfa.util.prefixTree import prefixTree
from sfa.util.rspec import *
+from sfa.util.sfaticket import *
from sfa.util.debug import log
from sfa.server.registry import Registries
from sfa.server.aggregate import Aggregates
import sfa.plc.peers as peers
-def delete_slice(api, hrn, caller_cred=None):
+def delete_slice(api, hrn, origin_hrn=None):
credential = api.getCredential()
aggregates = Aggregates(api)
for aggregate in aggregates:
success = False
# request hash is optional so lets try the call without it
try:
- request_hash=None
- aggregates[aggregate].delete_slice(credential, hrn, request_hash, caller_cred)
+ aggregates[aggregate].delete_slice(credential, hrn, origin_hrn)
success = True
except:
print >> log, "%s" % (traceback.format_exc())
print >> log, "Error calling delete slice at aggregate %s" % aggregate
-
- # try sending the request hash if the previous call failed
- if not success:
- try:
- arg_list = [credential, hrn]
- request_hash = api.key.compute_hash(arg_list)
- aggregates[aggregate].delete_slice(credential, hrn, request_hash, caller_cred)
- success = True
- except:
- print >> log, "%s" % (traceback.format_exc())
- print >> log, "Error calling list nodes at aggregate %s" % aggregate
return 1
-def create_slice(api, hrn, rspec, caller_cred=None):
+def create_slice(api, hrn, rspec, origin_hrn=None):
spec = RSpec()
tempspec = RSpec()
spec.parseString(rspec)
rspecs = {}
aggregates = Aggregates(api)
credential = api.getCredential()
-
# split the netspecs into individual rspecs
netspecs = spec.getDictsByTagName('NetSpec')
for netspec in netspecs:
tempspec.parseDict(resourceDict)
rspecs[net_hrn] = tempspec.toxml()
- print "rspecs:", rspecs.keys()
- print "aggregates:", aggregates.keys()
+ #print "rspecs:", rspecs.keys()
+ #print "aggregates:", aggregates.keys()
# send each rspec to the appropriate aggregate/sm
for net_hrn in rspecs:
try:
if net_hrn in aggregates:
# send the whloe rspec to the local aggregate
if net_hrn in [api.hrn]:
- try:
- request_hash = None
- aggregates[net_hrn].create_slice(credential, hrn, \
- rspec, request_hash, caller_cred)
- except:
- arg_list = [credential,hrn,rspec]
- request_hash = api.key.compute_hash(arg_list)
- aggregates[net_hrn].create_slice(credential, hrn, \
- rspec, request_hash, caller_cred)
+ aggregates[net_hrn].create_slice(credential, hrn, rspec, \
+ origin_hrn)
else:
- try:
- request_hash = None
- aggregates[net_hrn].create_slice(credential, hrn, \
- rspecs[net_hrn], request_hash, caller_cred)
- except:
- arg_list = [credential,hrn,rspecs[net_hrn]]
- request_hash = api.key.compute_hash(arg_list)
- aggregates[net_hrn].create_slice(credential, hrn, \
- rspecs[net_hrn], request_hash, caller_cred)
+ aggregates[net_hrn].create_slice(credential, hrn, \
+ rspecs[net_hrn], origin_hrn)
else:
# lets forward this rspec to a sm that knows about the network
- arg_list = [credential, net_hrn]
- request_hash = api.key.compute_hash(arg_list)
for aggregate in aggregates:
- try:
- network_found = aggregates[aggregate].get_aggregates(credential, net_hrn)
- except:
- network_found = aggregates[aggregate].get_aggregates(credential, net_hrn, request_hash)
- if network_networks:
- try:
- request_hash = None
- aggregates[aggregate].create_slice(credential, hrn, \
- rspecs[net_hrn], request_hash, caller_cred)
- except:
- arg_list = [credential, hrn, rspecs[net_hrn]]
- request_hash = api.key.compute_hash(arg_list)
- aggregates[aggregate].create_slice(credential, hrn, \
- rspecs[net_hrn], request_hash, caller_cred)
+ network_found = aggregates[aggregate].get_aggregates(credential, net_hrn)
+ if network_found:
+ aggregates[aggregate].create_slice(credential, hrn, \
+ rspecs[net_hrn], origin_hrn)
except:
print >> log, "Error creating slice %(hrn)s at aggregate %(net_hrn)s" % \
traceback.print_exc()
return 1
-def start_slice(api, hrn, caller_cred=None):
+def get_ticket(api, slice_hrn, rspec, origin_hrn=None):
+
+ # get the netspecs contained within the clients rspec
+ client_rspec = RSpec(xml=rspec)
+ netspecs = client_rspec.getDictsByTagName('NetSpec')
+
+ # create an rspec for each individual rspec
+ rspecs = {}
+ temp_rspec = RSpec()
+ for netspec in netspecs:
+ net_hrn = netspec['name']
+ resources = {'start_time': 0, 'end_time': 0 ,
+ 'network': netspec}
+ resourceDict = {'RSpec': resources}
+ temp_rspec.parseDict(resourceDict)
+ rspecs[net_hrn] = temp_rspec.toxml()
+
+ # send the rspec to the appropiate aggregate/sm
+ aggregates = Aggregates(api)
+ credential = api.getCredential()
+ tickets = {}
+ for net_hrn in rspecs:
+ try:
+ # if we are directly connected to the aggregate then we can just
+ # send them the request. if not, then we may be connected to an sm
+ # thats connected to the aggregate
+ if net_hrn in aggregates:
+ ticket = aggregates[net_hrn].get_ticket(credential, slice_hrn, \
+ rspecs[net_hrn], origin_hrn)
+ tickets[net_hrn] = ticket
+ else:
+ # lets forward this rspec to a sm that knows about the network
+ for agg in aggregates:
+ network_found = aggregates[agg].get_aggregates(credential, net_hrn)
+ if network_found:
+ ticket = aggregates[aggregate].get_ticket(credential, \
+ slice_hrn, rspecs[net_hrn], origin_hrn)
+ tickets[aggregate] = ticket
+ except:
+ print >> log, "Error getting ticket for %(slice_hrn)s at aggregate %(net_hrn)s" % \
+ locals()
+
+ # create a new ticket
+ new_ticket = SfaTicket(subject = slice_hrn)
+ new_ticket.set_gid_caller(api.auth.client_gid)
+
+ tmp_rspec = RSpec()
+ networks = []
+ valid_data = {}
+ # merge data from aggregate ticket into new ticket
+ for agg_ticket in tickets.values():
+ agg_ticket = SfaTicket(string=agg_ticket)
+ object_gid = agg_ticket.get_gid_object()
+ new_ticket.set_gid_object(object_gid)
+ new_ticket.set_issuer(key=api.key, subject=api.hrn)
+ new_ticket.set_pubkey(object_gid.get_pubkey())
+
+ #new_ticket.set_attributes(data)
+ tmp_rspec.parseString(agg_ticket.get_rspec())
+ networks.extend([{'NetSpec': tmp_rspec.getDictsByTagName('NetSpec')}])
+
+ #new_ticket.set_parent(api.auth.hierarchy.get_auth_ticket(auth_hrn))
+ resources = {'networks': networks, 'start_time': 0, 'duration': 0}
+ resourceDict = {'RSpec': resources}
+ tmp_rspec.parseDict(resourceDict)
+ new_ticket.set_rspec(tmp_rspec.toxml())
+
+ new_ticket.encode()
+ new_ticket.sign()
+ return new_ticket.save_to_string(save_parents=True)
+
+def start_slice(api, hrn):
slicename = hrn_to_pl_slicename(hrn)
slices = api.plshell.GetSlices(api.plauth, {'name': slicename}, ['slice_id'])
if not slices:
return 1
-def stop_slice(api, hrn, caller_cred):
+def stop_slice(api, hrn):
slicename = hrn_to_pl_slicename(hrn)
slices = api.plshell.GetSlices(api.plauth, {'name': slicename}, ['slice_id'])
if not slices:
api.plshell.UpdateSliceTag(api.plauth, attribute_id, "0")
return 1
-def reset_slice(api, hrn, caller_cred):
+def reset_slice(api, hrn):
# XX not implemented at this interface
return 1
slices.refresh()
return slices['hrn']
-def get_rspec(api, hrn=None, caller_cred=None):
+def get_rspec(api, hrn=None, origin_hrn=None):
from sfa.plc.nodes import Nodes
- nodes = Nodes(api, caller_cred=caller_cred)
+ nodes = Nodes(api, origin_hrn=origin_hrn)
if hrn:
rspec = nodes.get_rspec(hrn)
else:
git://git.onelab.eu / sfa.git / blobdiff