from lxml import etree
from StringIO import StringIO
from types import StringTypes
-
+from sfa.util.rspec import merge_rspecs
from sfa.util.namespace import *
from sfa.util.rspec import *
from sfa.util.specdict import *
from sfa.util.policy import Policy
from sfa.util.prefixTree import prefixTree
from sfa.util.sfaticket import *
+from sfa.util.threadmanager import ThreadManager
+import sfa.util.xmlrpcprotocol as xmlrpcprotocol
from sfa.util.debug import log
import sfa.plc.peers as peers
def delete_slice(api, xrn, origin_hrn=None):
credential = api.getCredential()
- aggregates = api.aggregates
- for aggregate in aggregates:
- success = False
- # request hash is optional so lets try the call without it
- try:
- aggregates[aggregate].delete_slice(credential, xrn, origin_hrn)
- success = True
- except:
- print >> log, "%s" % (traceback.format_exc())
- print >> log, "Error calling delete slice at aggregate %s" % aggregate
+ threads = ThreadManager()
+ for aggregate in api.aggregates:
+ server = api.aggregates[aggregate]
+ threads.run(server.delete_slice, credential, xrn, origin_hrn)
+ threads.get_results()
return 1
def create_slice(api, xrn, rspec, origin_hrn=None):
message = "%s (line %s)" % (error.message, error.line)
raise InvalidRSpec(message)
- aggs = api.aggregates
- cred = api.getCredential()
- for agg in aggs:
- if agg not in [api.auth.client_cred.get_gid_caller().get_hrn()]:
- try:
- # Just send entire RSpec to each aggregate
- aggs[agg].create_slice(cred, xrn, rspec, origin_hrn)
- except:
- print >> log, "Error creating slice %s at %s" % (hrn, agg)
- traceback.print_exc()
-
- return True
+ cred = api.getCredential()
+ threads = ThreadManager()
+ for aggregate in api.aggregates:
+ if aggregate not in [api.auth.client_cred.get_gid_caller().get_hrn()]:
+ server = api.aggregates[aggregate]
+ # Just send entire RSpec to each aggregate
+ threads.run(server.create_slice, cred, xrn, rspec, origin_hrn)
+ threads.get_results()
+ return 1
def get_ticket(api, xrn, rspec, origin_hrn=None):
slice_hrn, type = urn_to_hrn(xrn)
# get the netspecs contained within the clients rspec
- client_rspec = RSpec(xml=rspec)
- netspecs = client_rspec.getDictsByTagName('NetSpec')
+ aggregate_rspecs = {}
+ tree= etree.parse(StringIO(rspec))
+ elements = tree.findall('./network')
+ for element in elements:
+ aggregate_hrn = element.values()[0]
+ aggregate_rspecs[aggregate_hrn] = rspec
+
+ # get a ticket from each aggregate
+ credential = api.getCredential()
+ threads = ThreadManager()
+ for aggregate, aggregate_rspec in aggregate_rspecs.items():
+ server = None
+ if aggregate in api.aggregates:
+ server = api.aggregates[aggregate]
+ else:
+ net_urn = hrn_to_urn(aggregate, 'authority')
+ # we may have a peer that knows about this aggregate
+ for agg in api.aggregates:
+ agg_info = api.aggregates[agg].get_aggregates(credential, net_urn)
+ if agg_info:
+ # send the request to this address
+ url = 'http://%s:%s' % (agg_info['addr'], agg_info['port'])
+ server = xmlrpcprotocol.get_server(url, api.key_file, api.cert_file)
+ break
+ if server is None:
+ continue
+ threads.run(server.get_ticket, credential, xrn, aggregate_rspec, origin_hrn)
+ results = threads.get_results()
- # 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' : netspec}}
- resourceDict = {'RSpec': resources}
- temp_rspec.parseDict(resourceDict)
- rspecs[net_hrn] = temp_rspec.toxml()
+ # gather information from each ticket
+ rspecs = []
+ initscripts = []
+ slivers = []
+ object_gid = None
+ for result in results:
+ agg_ticket = SfaTicket(string=result)
+ attrs = agg_ticket.get_attributes()
+ if not object_gid:
+ object_gid = agg_ticket.get_gid_object()
+ print object_gid
+ rspecs.append(agg_ticket.get_rspec())
+ initscripts.extend(attrs.get('initscripts', []))
+ slivers.extend(attrs.get('slivers', []))
- # send the rspec to the appropiate aggregate/sm
- aggregates = api.aggregates
- credential = api.getCredential()
- tickets = {}
- for net_hrn in rspecs:
- net_urn = urn_to_hrn(net_hrn)
- 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, xrn, \
- 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_urn)
- 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)
- new_ticket.set_issuer(key=api.key, subject=api.hrn)
-
- tmp_rspec = RSpec()
- networks = []
- valid_data = {
- 'timestamp': int(time.time()),
- 'initscripts': [],
- 'slivers': []
- }
- # merge data from aggregate ticket into new ticket
- for agg_ticket in tickets.values():
- # get data from this ticket
- agg_ticket = SfaTicket(string=agg_ticket)
- attributes = agg_ticket.get_attributes()
- if attributes.get('initscripts', []) != None:
- valid_data['initscripts'].extend(attributes.get('initscripts', []))
- if attributes.get('slivers', []) != None:
- valid_data['slivers'].extend(attributes.get('slivers', []))
-
- # set the object gid
- object_gid = agg_ticket.get_gid_object()
- new_ticket.set_gid_object(object_gid)
- new_ticket.set_pubkey(object_gid.get_pubkey())
+ # merge info
+ attributes = {'initscripts': initscripts,
+ 'slivers': slivers}
+ merged_rspec = merge_rspecs(rspecs)
- # build the rspec
- tmp_rspec.parseString(agg_ticket.get_rspec())
- networks.extend([{'NetSpec': tmp_rspec.getDictsByTagName('NetSpec')}])
-
+ # create a new ticket
+ ticket = SfaTicket(subject = slice_hrn)
+ ticket.set_gid_caller(api.auth.client_gid)
+ ticket.set_issuer(key=api.key, subject=api.hrn)
+ ticket.set_gid_object(object_gid)
+ ticket.set_pubkey(object_gid.get_pubkey())
#new_ticket.set_parent(api.auth.hierarchy.get_auth_ticket(auth_hrn))
- new_ticket.set_attributes(valid_data)
- 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)
+ ticket.set_attributes(attributes)
+ ticket.set_rspec(merged_rspec)
+ ticket.encode()
+ ticket.sign()
+ return ticket.save_to_string(save_parents=True)
def start_slice(api, xrn):
- hrn, type = urn_to_hrn(xrn)
- slicename = hrn_to_pl_slicename(hrn)
- slices = api.plshell.GetSlices(api.plauth, {'name': slicename}, ['slice_id'])
- if not slices:
- raise RecordNotFound(hrn)
- slice_id = slices[0]
- attributes = api.plshell.GetSliceTags(api.plauth, {'slice_id': slice_id, 'name': 'enabled'}, ['slice_attribute_id'])
- attribute_id = attreibutes[0]['slice_attribute_id']
- api.plshell.UpdateSliceTag(api.plauth, attribute_id, "1" )
-
+ credential = api.getCredential()
+ threads = ThreadManager()
+ for aggregate in api.aggregates:
+ server = api.aggregates[aggregate]
+ threads.run(server.stop_slice, credential, xrn)
+ threads.get_results()
return 1
def stop_slice(api, xrn):
- hrn, type = urn_to_hrn(xrn)
- slicename = hrn_to_pl_slicename(hrn)
- slices = api.plshell.GetSlices(api.plauth, {'name': slicename}, ['slice_id'])
- if not slices:
- raise RecordNotFound(hrn)
- slice_id = slices[0]['slice_id']
- attributes = api.plshell.GetSliceTags(api.plauth, {'slice_id': slice_id, 'name': 'enabled'}, ['slice_attribute_id'])
- attribute_id = attributes[0]['slice_attribute_id']
- api.plshell.UpdateSliceTag(api.plauth, attribute_id, "0")
+ credential = api.getCredential()
+ threads = ThreadManager()
+ for aggregate in api.aggregates:
+ server = api.aggregates[aggregate]
+ threads.run(server.stop_slice, credential, xrn)
+ threads.get_results()
return 1
def reset_slice(api, xrn):
# fetch from aggregates
slices = []
credential = api.getCredential()
+ threads = ThreadManager()
for aggregate in api.aggregates:
- try:
- tmp_slices = api.aggregates[aggregate].get_slices(credential)
- slices.extend(tmp_slices)
- except:
- print >> log, "%s" % (traceback.format_exc())
- print >> log, "Error calling slices at aggregate %(aggregate)s" % locals()
+ server = api.aggregates[aggregate]
+ threads.run(server.get_slices, credential)
+ # combime results
+ results = threads.get_results()
+ slices = []
+ for result in results:
+ slices.extend(result)
+
# cache the result
if api.cache:
api.cache.add('slices', slices)
hrn, type = urn_to_hrn(xrn)
rspec = None
- aggs = api.aggregates
- cred = api.getCredential()
- for agg in aggs:
- if agg not in [api.auth.client_cred.get_gid_caller().get_hrn()]:
- try:
- # get the rspec from the aggregate
- agg_rspec = aggs[agg].get_resources(cred, xrn, origin_hrn)
- except:
- # XX print out to some error log
- print >> log, "Error getting resources at aggregate %s" % agg
- traceback.print_exc(log)
- print >> log, "%s" % (traceback.format_exc())
- continue
-
- try:
- tree = etree.parse(StringIO(agg_rspec))
- except etree.XMLSyntaxError:
- message = agg + ": " + str(sys.exc_info()[1])
- raise InvalidRSpec(message)
+ cred = api.getCredential()
+ threads = ThreadManager()
+ for aggregate in api.aggregates:
+ if aggregate not in [api.auth.client_cred.get_gid_caller().get_hrn()]:
+ # get the rspec from the aggregate
+ server = api.aggregates[aggregate]
+ threads.run(server.get_resources, cred, xrn, origin_hrn)
+
+ results = threads.get_results()
+ # combine the rspecs into a single rspec
+ for agg_rspec in results:
+ try:
+ tree = etree.parse(StringIO(agg_rspec))
+ except etree.XMLSyntaxError:
+ message = str(agg_rspec) + ": " + str(sys.exc_info()[1])
+ raise InvalidRSpec(message)
- root = tree.getroot()
- if root.get("type") in ["SFA"]:
- if rspec == None:
- rspec = root
- else:
- for network in root.iterfind("./network"):
- rspec.append(deepcopy(network))
- for request in root.iterfind("./request"):
- rspec.append(deepcopy(request))
+ root = tree.getroot()
+ if root.get("type") in ["SFA"]:
+ if rspec == None:
+ rspec = root
+ else:
+ for network in root.iterfind("./network"):
+ rspec.append(deepcopy(network))
+ for request in root.iterfind("./request"):
+ rspec.append(deepcopy(request))
rspec = etree.tostring(rspec, xml_declaration=True, pretty_print=True)
+ # cache the result
if api.cache and not xrn:
api.cache.add('nodes', rspec)
git://git.onelab.eu / sfa.git / blobdiff