def testNoStartEndTimeAndAdditionalReservation(self):
schedule = nsa.Schedule(None, None)
criteria = nsa.Criteria(0, schedule, nsa.Point2PointService(self.source_stp, self.dest_stp, 200, cnt.BIDIRECTIONAL, False, None) )
self.header.newCorrelationId()
acid = yield self.provider.reserve(self.header, None, None, None, criteria)
header, cid, gid, desc, sc = yield self.requester.reserve_defer
self.failUnlessEqual(cid, acid)
yield self.provider.reserveCommit(self.header, acid)
cid = yield self.requester.reserve_commit_defer
# second reservation
self.header.newCorrelationId()
self.requester.reserve_defer = defer.Deferred()
self.requester.reserve_commit_defer = defer.Deferred()
schedule = nsa.Schedule(None, None)
criteria = nsa.Criteria(0, schedule, nsa.Point2PointService(self.source_stp, self.dest_stp, 200, cnt.BIDIRECTIONAL, False, None) )
acid2 = yield self.provider.reserve(header, None, None, None, criteria)
_ = yield self.requester.reserve_defer
yield self.provider.reserveCommit(self.header, acid2)
cid = yield self.requester.reserve_commit_defer
def testProvisionReleaseNoStartEndTime(self):
schedule = nsa.Schedule(None, None)
criteria = nsa.Criteria(0, schedule, nsa.Point2PointService(self.source_stp, self.dest_stp, 200, 'Bidirectional', False, None) )
self.header.newCorrelationId()
acid = yield self.provider.reserve(self.header, None, None, None, criteria)
yield self.requester.reserve_defer
yield self.provider.reserveCommit(self.header, acid)
yield self.requester.reserve_commit_defer
yield self.provider.provision(self.header, acid)
yield self.requester.provision_defer
self.clock.advance(3)
header, cid, nid, timestamp, dps = yield self.requester.data_plane_change_defer
active, version, consistent = dps
self.failUnlessEquals(active, True)
self.requester.data_plane_change_defer = defer.Deferred()
yield self.provider.release(self.header, acid)
yield self.requester.release_defer
header, cid, nid, timestamp, dps = yield self.requester.data_plane_change_defer
active, version, consistent = dps
self.failUnlessEquals(active, False)
yield self.provider.terminate(self.header, cid)
yield self.requester.terminate_defer
def testReserveTimeout(self):
# these need to be constructed such that there is only one label option
source_stp = nsa.STP(self.network, self.source_port, nsa.Label(cnt.ETHERNET_VLAN, '1782') )
dest_stp = nsa.STP(self.network, self.dest_port, nsa.Label(cnt.ETHERNET_VLAN, '1782') )
criteria = nsa.Criteria(0, self.schedule, nsa.Point2PointService(source_stp, dest_stp, self.bandwidth, cnt.BIDIRECTIONAL, False, None) )
self.header.newCorrelationId()
acid = yield self.provider.reserve(self.header, None, None, None, criteria)
header, cid, gid, desc, sp = yield self.requester.reserve_defer
self.clock.advance(self.backend.TPC_TIMEOUT + 1)
header, cid, notification_id, timestamp, timeout_value, org_cid, org_nsa = yield self.requester.reserve_timeout_defer
self.failUnlessEquals(cid, acid)
self.requester.reserve_defer = defer.Deferred()
# new criteria
start_time = datetime.datetime.utcnow() + datetime.timedelta(seconds=2)
end_time = datetime.datetime.utcnow() + datetime.timedelta(seconds=6)
schedule = nsa.Schedule(start_time, end_time)
criteria = nsa.Criteria(0, schedule, nsa.Point2PointService(source_stp, dest_stp, self.bandwidth, cnt.BIDIRECTIONAL, False, None) )
# try to reserve the same resources
acid2 = yield self.provider.reserve(self.header, None, None, None, criteria)
header, cid, gid, desc, sp = yield self.requester.reserve_defer
def setUp(self):
self.clock = task.Clock()
self.requester = common.DUDRequester()
nrm_ports = nrm.parsePortSpec(StringIO.StringIO(topology.ARUBA_TOPOLOGY))
self.backend = dud.DUDNSIBackend(self.network, nrm_ports, self.requester, {})
self.provider = self.backend
self.provider.scheduler.clock = self.clock
self.provider.startService()
db.setupDatabase()
# request stuff
self.start_time = datetime.datetime.utcnow() + datetime.timedelta(seconds=2)
self.end_time = datetime.datetime.utcnow() + datetime.timedelta(seconds=10)
self.schedule = nsa.Schedule(self.start_time, self.end_time)
self.sd = nsa.Point2PointService(self.source_stp, self.dest_stp, self.bandwidth, cnt.BIDIRECTIONAL, False ,None)
self.criteria = nsa.Criteria(0, self.schedule, self.sd)
return self.backend.restore_defer
def setUp(self):
db.setupDatabase()
self.requester = common.DUDRequester()
self.clock = task.Clock()
nrm_map = StringIO.StringIO(topology.ARUBA_TOPOLOGY)
nrm_ports, nml_network, link_vector = setup.setupTopology(nrm_map, self.network, 'aruba.net')
self.backend = dud.DUDNSIBackend(self.network, nrm_ports, self.requester, {})
self.backend.scheduler.clock = self.clock
pl = plugin.BasePlugin()
pl.init( { config.NETWORK_NAME: self.network }, None )
pr = provreg.ProviderRegistry( { self.provider_agent.urn() : self.backend }, {} )
self.provider = aggregator.Aggregator(self.network, self.provider_agent, nml_network, link_vector, self.requester, pr, [], pl)
# set parent for backend, we need to create the aggregator before this can be done
self.backend.parent_requester = self.provider
self.backend.startService()
# request stuff
self.start_time = datetime.datetime.utcnow() + datetime.timedelta(seconds=2)
self.end_time = datetime.datetime.utcnow() + datetime.timedelta(seconds=10)
self.schedule = nsa.Schedule(self.start_time, self.end_time)
self.sd = nsa.Point2PointService(self.source_stp, self.dest_stp, self.bandwidth, cnt.BIDIRECTIONAL, False, None)
self.criteria = nsa.Criteria(0, self.schedule, self.sd)
def reserveConfirmed(self, soap_data, request_info):
header, reservation = helper.parseRequest(soap_data)
criteria = reservation.criteria
# Create DTOs - this overlaps heavily with the parsing done in providerservice - unify sometime
start_time = xmlhelper.parseXMLTimestamp(criteria.schedule.startTime) if criteria.schedule.startTime is not None else None
end_time = xmlhelper.parseXMLTimestamp(criteria.schedule.endTime) if criteria.schedule.endTime is not None else None
schedule = nsa.Schedule(start_time, end_time)
# check for service type sometime
p2ps = criteria.serviceDefinition
if type(p2ps) is not p2pservices.P2PServiceBaseType:
raise ValueError('Only P2P service supported.')
# (ERO missing)
src_stp = helper.createSTP(p2ps.sourceSTP)
dst_stp = helper.createSTP(p2ps.destSTP)
if p2ps.ero:
print('ERO parsing in reserveConfirmed not implemented yet, full path will not be available')
sd = nsa.Point2PointService(src_stp, dst_stp, p2ps.capacity, p2ps.directionality, p2ps.symmetricPath, None)
crt = nsa.Criteria(criteria.version, schedule, sd)
self.requester.reserveConfirmed(header, reservation.connectionId, reservation.globalReservationId, reservation.description, crt)
return helper.createGenericRequesterAcknowledgement(header)
def buildSchedule(schedule):
start_time = parseXMLTimestamp(
schedule.startTime) if schedule.startTime is not None else None
end_time = parseXMLTimestamp(
schedule.endTime) if schedule.endTime is not None else None
return nsa.Schedule(start_time, end_time)
def testQueryRecursiveNoStartTime(self):
# only available on aggregator and remote, we just do remote for now
start_time = None
criteria = nsa.Criteria(0, nsa.Schedule(start_time, self.end_time), self.sd)
self.header.newCorrelationId()
acid = yield self.provider.reserve(self.header, None, 'gid-123', 'desc2', criteria)
yield self.requester.reserve_defer
yield self.provider.reserveCommit(self.header, acid)
yield self.requester.reserve_commit_defer
self.header.newCorrelationId()
yield self.provider.queryRecursive(self.header, connection_ids = [ acid ] )
header, reservations = yield self.requester.query_recursive_defer
self.failUnlessEquals(len(reservations), 1)
ci = reservations[0]
self.failUnlessEquals(ci.connection_id, acid)
self.failUnlessEquals(ci.global_reservation_id, 'gid-123')
self.failUnlessEquals(ci.description, 'desc2')
self.failUnlessEquals(ci.requester_nsa, self.requester_agent.urn())
self.failUnlessEquals(len(ci.criterias), 1)
crit = ci.criterias[0]
src_stp = crit.service_def.source_stp
dst_stp = crit.service_def.dest_stp
self.failUnlessEquals(src_stp.network, self.network)
self.failUnlessEquals(src_stp.port, self.source_port)
self.failUnlessEquals(src_stp.label.type_, cnt.ETHERNET_VLAN)
self.failUnlessIn(src_stp.label.labelValue(), ('1781', '1782') )
self.failUnlessEquals(dst_stp.network, self.network)
self.failUnlessEquals(dst_stp.port, self.dest_port)
self.failUnlessEquals(dst_stp.label.type_, cnt.ETHERNET_VLAN)
self.failUnlessIn(dst_stp.label.labelValue(), ('1782', '1783') )
self.failUnlessEqual(crit.service_def.capacity, self.bandwidth)
self.failUnlessEqual(crit.revision, 0)
from opennsa import state
rsm, psm, lsm, dps = ci.states
self.failUnlessEquals(rsm, state.RESERVE_START)
self.failUnlessEquals(psm, state.RELEASED)
self.failUnlessEquals(lsm, state.CREATED)
self.failUnlessEquals(dps[:2], (False, 0) ) # we cannot really expect a consistent result for consistent here
self.failUnlessEqual(len(crit.children), 1)
child = crit.children[0]
rsm, psm, lsm, dps = ci.states # overwrite
self.failUnlessEquals(rsm, state.RESERVE_START)
self.failUnlessEquals(psm, state.RELEASED)
self.failUnlessEquals(lsm, state.CREATED)
self.failUnlessEquals(dps[:2], (False, 0) ) # we cannot really expect a consistent result for consistent here
def setUp(self):
from twisted.web import resource, server
from twisted.application import internet
from opennsa.protocols import nsi2
from opennsa.protocols.shared import soapresource
from opennsa.protocols.nsi2 import requesterservice, requesterclient
db.setupDatabase()
self.requester = common.DUDRequester()
self.clock = task.Clock()
nrm_map = StringIO.StringIO(topology.ARUBA_TOPOLOGY)
nrm_ports, nml_network, link_vector = setup.setupTopology(nrm_map, self.network, 'aruba.net')
self.backend = dud.DUDNSIBackend(self.network, nrm_ports, None, {}) # we set the parent later
self.backend.scheduler.clock = self.clock
pl = plugin.BasePlugin()
pl.init( { config.NETWORK_NAME: self.network }, None )
pr = provreg.ProviderRegistry( { self.provider_agent.urn() : self.backend }, {} )
self.aggregator = aggregator.Aggregator(self.network, self.provider_agent, nml_network, link_vector, None, pr, [], pl) # we set the parent later
self.backend.parent_requester = self.aggregator
# provider protocol
http_top_resource = resource.Resource()
cs2_prov = nsi2.setupProvider(self.aggregator, http_top_resource)
self.aggregator.parent_requester = cs2_prov
provider_factory = server.Site(http_top_resource)
self.provider_service = internet.TCPServer(self.PROVIDER_PORT, provider_factory)
# requester protocol
requester_top_resource = resource.Resource()
soap_resource = soapresource.setupSOAPResource(requester_top_resource, 'RequesterService2')
self.provider = requesterclient.RequesterClient(self.provider_agent.endpoint, self.requester_agent.endpoint)
requester_service = requesterservice.RequesterService(soap_resource, self.requester) # this is the important part
requester_factory = server.Site(requester_top_resource, logPath='/dev/null')
# start engines!
self.backend.startService()
self.provider_service.startService()
self.requester_iport = reactor.listenTCP(self.REQUESTER_PORT, requester_factory)
# request stuff
self.start_time = datetime.datetime.utcnow() + datetime.timedelta(seconds=2)
self.end_time = datetime.datetime.utcnow() + datetime.timedelta(seconds=10)
self.schedule = nsa.Schedule(self.start_time, self.end_time)
self.sd = nsa.Point2PointService(self.source_stp, self.dest_stp, self.bandwidth)
self.criteria = nsa.Criteria(0, self.schedule, self.sd)
def testSlowActivate(self):
# key here is that end time is passed when activation is done
start_time = datetime.datetime.utcnow() + datetime.timedelta(seconds=2)
end_time = datetime.datetime.utcnow() + datetime.timedelta(seconds=4)
schedule = nsa.Schedule(start_time, end_time)
source_stp = nsa.STP(self.network, self.source_port,
nsa.Label(cnt.ETHERNET_VLAN, '1780'))
dest_stp = nsa.STP(self.network, self.dest_port,
nsa.Label(cnt.ETHERNET_VLAN, '1780'))
criteria = nsa.Criteria(
0, schedule,
nsa.Point2PointService(source_stp, dest_stp, 200,
cnt.BIDIRECTIONAL, False, None))
def setupLink(connection_id, src, dst, bandwidth):
d = defer.Deferred()
reactor.callLater(2, d.callback, None)
return d
# make activation fail via monkey patching
self.backend.connection_manager.setupLink = setupLink
self.header.newCorrelationId()
acid = yield self.provider.reserve(self.header, None, None, None,
criteria)
header, cid, gid, desc, sp = yield self.requester.reserve_defer
self.failUnlessEqual(cid, acid)
yield self.provider.reserveCommit(self.header, cid)
yield self.requester.reserve_commit_defer
yield self.provider.provision(self.header, cid)
yield self.requester.provision_defer
self.clock.advance(3)
header, cid, nid, timestamp, dps = yield self.requester.data_plane_change_defer
active, version, consistent = dps
self.failUnlessEqual(cid, acid)
self.failUnlessEqual(active, True)
self.failUnlessEqual(consistent, True)
self.requester.data_plane_change_defer = defer.Deferred()
self.clock.advance(2)
header, cid, nid, timestamp, dps = yield self.requester.data_plane_change_defer
active, version, consistent = dps
self.failUnlessEqual(cid, acid)
self.failUnlessEqual(active, False)
yield self.provider.terminate(self.header, cid)
yield self.requester.terminate_defer
def testNoStartTime(self):
start_time = None
criteria = nsa.Criteria(0, nsa.Schedule(start_time, self.end_time),
self.sd)
self.header.newCorrelationId()
cid = yield self.provider.reserve(self.header, None, None, None,
criteria)
header, cid, gid, desc, sp = yield self.requester.reserve_defer
def testStartTimeInPast(self):
start_time = datetime.datetime.utcnow() - datetime.timedelta(seconds=60)
criteria = nsa.Criteria(0, nsa.Schedule(start_time, self.end_time), self.sd)
self.header.newCorrelationId()
try:
yield self.provider.reserve(self.header, None, None, None, criteria)
self.fail('Should have raised PayloadError') # Error type is somewhat debatable, but this what we use
except error.PayloadError:
pass # expected
def setUp(self):
tcf = os.path.expanduser('~/.opennsa-test.json')
tc = json.load(open(tcf))
database.setupDatabase(tc['database'], tc['database-user'],
tc['database-password'])
self.requester = common.DUDRequester()
self.clock = task.Clock()
nrm_ports = nrm.parsePortSpec(
StringIO.StringIO(topology.ARUBA_TOPOLOGY))
network_topology = nml.createNMLNetwork(nrm_ports, self.network,
self.network)
self.backend = dud.DUDNSIBackend(self.network, nrm_ports,
self.requester, {})
self.backend.scheduler.clock = self.clock
route_vectors = gns.RouteVectors([cnt.URN_OGF_PREFIX + self.network])
route_vectors.updateVector(self.provider_agent.identity, 0,
[self.network], {})
pl = plugin.BasePlugin()
pl.init({config.NETWORK_NAME: self.network}, None)
pr = provreg.ProviderRegistry(
{self.provider_agent.urn(): self.backend}, {})
self.provider = aggregator.Aggregator(self.network,
self.provider_agent,
network_topology, route_vectors,
self.requester, pr, [], pl)
# set parent for backend, we need to create the aggregator before this can be done
self.backend.parent_requester = self.provider
self.backend.startService()
# request stuff
self.start_time = datetime.datetime.utcnow() + datetime.timedelta(
seconds=2)
self.end_time = datetime.datetime.utcnow() + datetime.timedelta(
seconds=10)
self.schedule = nsa.Schedule(self.start_time, self.end_time)
self.sd = nsa.Point2PointService(self.source_stp, self.dest_stp,
self.bandwidth, cnt.BIDIRECTIONAL,
False, None)
self.criteria = nsa.Criteria(0, self.schedule, self.sd)
def reserveonly(client, nsi_header, src, dst, start_time, end_time, capacity, ero, connection_id, global_id):
schedule = nsa.Schedule(start_time, end_time)
service_def = _createP2PS(src, dst, capacity, ero)
crt = nsa.Criteria(0, schedule, service_def)
try:
nsi_header.connection_trace = [ nsi_header.requester_nsa + ':' + '1' ]
connection_id, _,_,criteria = yield client.reserve(nsi_header, connection_id, global_id, 'Test Connection', crt)
nsi_header.connection_trace = None
sd = criteria.service_def
log.msg("Connection created and held. Id %s at %s" % (connection_id, nsi_header.provider_nsa))
log.msg("Source - Destination: %s - %s" % (sd.source_stp, sd.dest_stp))
except error.NSIError as e:
_logError(e)
def _query(self,
header,
connection_ids,
global_reservation_ids,
request_info=None):
# generic query mechanism for summary and recursive
# TODO: Match stps/ports that can be used with credentials and return connections using these STPs
if connection_ids:
conns = yield GenericBackendConnections.find(where=[
'source_network = ? AND dest_network = ? AND requester_nsa = ? AND connection_id IN ?',
self.network, self.network, header.requester_nsa,
tuple(connection_ids)
])
elif global_reservation_ids:
conns = yield GenericBackendConnections.find(where=[
'source_network = ? AND dest_network = ? AND requester_nsa = ? AND global_reservation_ids IN ?',
self.network, self.network, header.requester_nsa,
tuple(global_reservation_ids)
])
else:
raise error.MissingParameterError(
'Must specify connectionId or globalReservationId')
reservations = []
for c in conns:
source_stp = nsa.STP(c.source_network, c.source_port,
c.source_label)
dest_stp = nsa.STP(c.dest_network, c.dest_port, c.dest_label)
schedule = nsa.Schedule(c.start_time, c.end_time)
sd = nsa.Point2PointService(source_stp, dest_stp, c.bandwidth,
cnt.BIDIRECTIONAL, False, None)
criteria = nsa.QueryCriteria(c.revision, schedule, sd)
data_plane_status = (c.data_plane_active, c.revision, True)
states = (c.reservation_state, c.provision_state,
c.lifecycle_state, data_plane_status)
notification_id = self.getNotificationId()
result_id = notification_id # whatever
provider_nsa = cnt.URN_OGF_PREFIX + self.network.replace(
'topology', 'nsa') # hack on
reservations.append(
nsa.ConnectionInfo(c.connection_id, c.global_reservation_id,
c.description, cnt.EVTS_AGOLE, [criteria],
provider_nsa, c.requester_nsa, states,
notification_id, result_id))
defer.returnValue(reservations)
def _doReserve(self, conn, correlation_id):
# we have already checked resource availability, so can progress directly through checking
state.reserveMultiSwitch(conn, state.RESERVE_CHECKING,
state.RESERVE_HELD)
yield conn.save()
self.logStateUpdate(conn, 'RESERVE CHECKING/HELD')
# schedule 2PC timeout
if self.scheduler.hasScheduledCall(conn.connection_id):
# this means that the build scheduler made a call while we yielded
self.scheduler.cancelCall(conn.connection_id)
now = datetime.datetime.utcnow()
timeout_time = min(now + datetime.timedelta(seconds=self.TPC_TIMEOUT),
conn.end_time)
self.scheduler.scheduleCall(conn.connection_id, timeout_time,
self._doReserveTimeout, conn)
td = timeout_time - datetime.datetime.utcnow()
log.msg(
'Connection %s: reserve abort scheduled for %s UTC (%i seconds)' %
(conn.connection_id, timeout_time.replace(microsecond=0),
td.total_seconds()),
system=self.log_system)
schedule = nsa.Schedule(conn.start_time, conn.end_time)
sc_source_stp = nsa.STP(conn.source_network, conn.source_port,
conn.source_label)
sc_dest_stp = nsa.STP(conn.dest_network, conn.dest_port,
conn.dest_label)
sd = nsa.Point2PointService(
sc_source_stp, sc_dest_stp, conn.bandwidth, cnt.BIDIRECTIONAL,
False, None) # we fake some things due to db limitations
crit = nsa.Criteria(conn.revision, schedule, sd)
header = nsa.NSIHeader(
conn.requester_nsa,
conn.requester_nsa,
correlation_id=correlation_id
) # The NSA is both requester and provider in the backend, but this might be problematic without aggregator
yield self.parent_requester.reserveConfirmed(
header, conn.connection_id, conn.global_reservation_id,
conn.description, crit)
def testNoStartOrEndTime(self):
criteria = nsa.Criteria(0, nsa.Schedule(None, None), self.sd)
self.header.newCorrelationId()
cid = yield self.provider.reserve(self.header, None, None, None, criteria)
header, cid, gid, desc, sp = yield self.requester.reserve_defer
yield self.provider.reserveCommit(self.header, cid)
yield self.requester.reserve_commit_defer
yield self.provider.provision(self.header, cid)
yield self.requester.provision_defer
self.clock.advance(3)
header, cid, nid, timestamp, dps = yield self.requester.data_plane_change_defer
active, version, consistent = dps
self.failUnlessEquals(active, True)
def testNoEndtimeAbort(self):
# these need to be constructed such that there is only one label option
source_stp = nsa.STP(self.network, self.source_port, nsa.Label(cnt.ETHERNET_VLAN, '1782') )
dest_stp = nsa.STP(self.network, self.dest_port, nsa.Label(cnt.ETHERNET_VLAN, '1782') )
end_time = None
criteria = nsa.Criteria(0, nsa.Schedule(self.start_time, end_time), nsa.Point2PointService(source_stp, dest_stp, 200, cnt.BIDIRECTIONAL, False, None) )
self.header.newCorrelationId()
acid = yield self.provider.reserve(self.header, None, None, None, criteria)
header, cid, gid, desc, sp = yield self.requester.reserve_defer
yield self.provider.reserveAbort(self.header, acid)
header, cid = yield self.requester.reserve_abort_defer
self.requester.reserve_defer = defer.Deferred()
# try to reserve the same resources
acid2 = yield self.provider.reserve(self.header, None, None, None, criteria)
header, cid, gid, desc, sp = yield self.requester.reserve_defer
def reserveprovision(client, nsi_header, src, dst, start_time, end_time,
capacity, connection_id, global_id, notification_wait):
schedule = nsa.Schedule(start_time, end_time)
service_def = _createP2PS(src, dst, capacity)
crt = nsa.Criteria(0, schedule, service_def)
try:
nsi_header.connection_trace = [nsi_header.requester_nsa + ':' + '1']
connection_id, _, _, criteria = yield client.reserve(
nsi_header, connection_id, global_id, 'Test Connection', crt)
nsi_header.connection_trace = []
sd = criteria.service_def
log.msg("Connection created and held. Id %s at %s" %
(connection_id, nsi_header.provider_nsa))
log.msg("Source - Destination: %s - %s" % (sd.source_stp, sd.dest_stp))
nsi_header.newCorrelationId()
yield client.reserveCommit(nsi_header, connection_id)
log.msg("Connection committed at %s" % nsi_header.provider_nsa)
# query
nsi_header.newCorrelationId()
qr = yield client.querySummary(nsi_header,
connection_ids=[connection_id])
print "Query result:", qr
# provision
nsi_header.newCorrelationId()
yield client.provision(nsi_header, connection_id)
log.msg('Connection %s provisioned' % connection_id)
while notification_wait:
event = yield client.notifications.get()
exit = _handleEvent(event)
if exit:
break
except error.NSIError, e:
_logError(e)
def rprt(client, nsi_header, src, dst, start_time, end_time, capacity,
connection_id, global_id):
# reserve, provision, release, terminate
schedule = nsa.Schedule(start_time, end_time)
service_def = _createP2PS(src, dst, capacity)
crt = nsa.Criteria(0, schedule, service_def)
try:
nsi_header.connection_trace = [nsi_header.requester_nsa + ':' + '1']
connection_id, _, _, criteria = yield client.reserve(
nsi_header, connection_id, global_id, 'Test Connection', crt)
nsi_header.connection_trace = []
sd = criteria.service_def
log.msg("Connection created and held. Id %s at %s" %
(connection_id, nsi_header.provider_nsa))
log.msg("Source - Destination: %s - %s" % (sd.source_stp, sd.dest_stp))
# commit
nsi_header.newCorrelationId()
yield client.reserveCommit(nsi_header, connection_id)
log.msg("Connection committed at %s" % nsi_header.provider_nsa)
# provision
nsi_header.newCorrelationId()
yield client.provision(nsi_header, connection_id)
log.msg('Connection %s provisioned' % connection_id)
# release
nsi_header.newCorrelationId()
yield client.release(nsi_header, connection_id)
log.msg('Connection %s released' % connection_id)
# terminate
nsi_header.newCorrelationId()
yield client.terminate(nsi_header, connection_id)
log.msg('Connection %s terminated' % connection_id)
except error.NSIError, e:
_logError(e)
def setUp(self):
from twisted.web import resource, server
from twisted.application import internet
from opennsa.protocols import nsi2
from opennsa.protocols.shared import resource as soapresource
from opennsa.protocols.nsi2 import requesterservice, requesterclient
tcf = os.path.expanduser('~/.opennsa-test.json')
tc = json.load(open(tcf))
database.setupDatabase(tc['database'], tc['database-user'],
tc['database-password'])
self.requester = common.DUDRequester()
self.clock = task.Clock()
nrm_ports = nrm.parsePortSpec(
StringIO.StringIO(topology.ARUBA_TOPOLOGY))
network_topology = nml.createNMLNetwork(nrm_ports, self.network,
self.network)
self.backend = dud.DUDNSIBackend(self.network, nrm_ports, None,
{}) # we set the parent later
self.backend.scheduler.clock = self.clock
route_vectors = gns.RouteVectors([cnt.URN_OGF_PREFIX + self.network])
route_vectors.updateVector(self.provider_agent.identity, 0,
[self.network], {})
pl = plugin.BasePlugin()
pl.init({config.NETWORK_NAME: self.network}, None)
pr = provreg.ProviderRegistry(
{self.provider_agent.urn(): self.backend}, {})
self.aggregator = aggregator.Aggregator(self.network,
self.provider_agent,
network_topology,
route_vectors, None, pr, [],
pl) # we set the parent later
self.backend.parent_requester = self.aggregator
# provider protocol
http_top_resource = resource.Resource()
cs2_prov = nsi2.setupProvider(self.aggregator, http_top_resource)
self.aggregator.parent_requester = cs2_prov
provider_factory = server.Site(http_top_resource)
self.provider_service = internet.TCPServer(self.PROVIDER_PORT,
provider_factory)
# requester protocol
requester_top_resource = resource.Resource()
soap_resource = soapresource.setupSOAPResource(requester_top_resource,
'RequesterService2')
self.provider = requesterclient.RequesterClient(
self.provider_agent.endpoint, self.requester_agent.endpoint)
requester_service = requesterservice.RequesterService(
soap_resource, self.requester) # this is the important part
requester_factory = server.Site(requester_top_resource,
logPath='/dev/null')
# start engines!
self.backend.startService()
self.provider_service.startService()
self.requester_iport = reactor.listenTCP(self.REQUESTER_PORT,
requester_factory)
# request stuff
self.start_time = datetime.datetime.utcnow() + datetime.timedelta(
seconds=2)
self.end_time = datetime.datetime.utcnow() + datetime.timedelta(
seconds=10)
self.schedule = nsa.Schedule(self.start_time, self.end_time)
self.sd = nsa.Point2PointService(self.source_stp, self.dest_stp,
self.bandwidth)
self.criteria = nsa.Criteria(0, self.schedule, self.sd)
def reserve(self, soap_data):
t_start = time.time()
header, reservation = helper.parseRequest(soap_data)
# do some checking here
# print header.protocolVersion
# print header.correlationId
# print header.requesterNSA
# print header.providerNSA
# print header.replyTo
criteria = reservation.criteria
#version = criteria.version # not used at the moment
service_type = criteria.serviceType # right now we just ignore this, either we know the service type or not
p2ps = criteria.serviceDefinition
# if len(service_defs) == 0:
# err = failure.Failure ( error.PayloadError('No service definition element in message') )
# return self._createSOAPFault(err, header.provider_nsa, service_type=service_type)
# if len(service_defs) != 1:
# err = failure.Failure ( error.PayloadError('Only one service definition allowed') )
# return self._createSOAPFault(err, header.provider_nsa, service_type=service_type)
if type(p2ps) is not p2pservices.P2PServiceBaseType:
err = failure.Failure(
error.PayloadError(
'Only supports Point2PointService service for now.'))
return self._createSOAPFault(err,
header.provider_nsa,
service_type=service_type)
if p2ps.directionality in (None, ''):
err = failure.Failure(
error.MissingParameterError(
'Directionality parameter not defined'))
return self._createSOAPFault(err, header.provider_nsa)
# create DTOs (EROs not supported yet)
start_time = xmlhelper.parseXMLTimestamp(
criteria.schedule.startTime
) if criteria.schedule.startTime is not None else None
end_time = xmlhelper.parseXMLTimestamp(criteria.schedule.endTime)
schedule = nsa.Schedule(start_time, end_time)
src_stp = helper.createSTP(p2ps.sourceSTP)
dst_stp = helper.createSTP(p2ps.destSTP)
if p2ps.ero:
err = failure.Failure(
error.PayloadError('ERO not supported, go away.'))
return self._createSOAPFault(err, header.provider_nsa)
# if p2ps.parameter:
# p = p2ps.parameter[0]
# err = failure.Failure ( error.UnsupportedParameter('Unsupported parameter: %s/%s' % (p.type_, p.value) ) )
# return self._createSOAPFault(err, header.provider_nsa)
params = [(p.type_, p.value)
for p in p2ps.parameter] if p2ps.parameter else None
symmetric = p2ps.symmetricPath or False # the p2p service specifies default behaviour as false, but doesn't specify default
sd = nsa.Point2PointService(src_stp, dst_stp, p2ps.capacity,
p2ps.directionality, symmetric, None,
params)
crt = nsa.Criteria(criteria.version, schedule, sd)
t_delta = time.time() - t_start
log.msg('Profile: Reserve request parse time: %s' % round(t_delta, 3),
profile=True,
system=LOG_SYSTEM)
d = self.provider.reserve(header, reservation.connectionId,
reservation.globalReservationId,
reservation.description, crt)
def createReserveAcknowledgement(connection_id):
# no reply to / security attrs / trace
soap_header_element = helper.createProviderHeader(
header.requester_nsa, header.provider_nsa, None,
header.correlation_id)
reserve_response = nsiconnection.ReserveResponseType(connection_id)
reserve_response_element = reserve_response.xml(
nsiconnection.reserveResponse)
payload = minisoap.createSoapPayload(reserve_response_element,
soap_header_element)
return payload
d.addCallbacks(createReserveAcknowledgement,
self._createSOAPFault,
errbackArgs=(header.provider_nsa, ))
return d
def render_POST(self, request):
allowed, msg, request_info = requestauthz.checkAuthz(
request, self.allowed_hosts)
if not allowed:
payload = msg + RN
return _requestResponse(request, 401, payload) # Not Authorized
payload = request.content.read()
if len(payload) == 0:
log.msg('No data received in request', system=LOG_SYSTEM)
payload = 'No data received in request' + RN
return _requestResponse(request, 400, payload) # Bad Request
if len(payload) > 32 * 1024:
log.msg('Rejecting request, payload too large. Length %i' %
len(payload),
system=LOG_SYSTEM)
payload = 'Requests too large' + RN
return _requestResponse(request, 413, payload) # Payload Too Large
try:
data = json.loads(payload)
except ValueError:
log.msg('Invalid JSON data received, returning 400',
system=LOG_SYSTEM)
payload = 'Invalid JSON data' + RN
return _requestResponse(request, 400, payload) # Bad Request
def createResponse(connection_id):
payload = 'Connection created' + RN
header = {'location': self.base_path + '/' + connection_id}
_finishRequest(request, 201, payload, header) # Created
return connection_id
# extract stuffs
try:
source = data['source']
if not source.startswith(cnt.URN_OGF_PREFIX):
source = cnt.URN_OGF_PREFIX + source
destination = data['destination']
if not destination.startswith(cnt.URN_OGF_PREFIX):
destination = cnt.URN_OGF_PREFIX + destination
source_stp = helper.createSTP(str(source))
destination_stp = helper.createSTP(str(destination))
start_time = xmlhelper.parseXMLTimestamp(
data[START_TIME]) if START_TIME in data else None
end_time = xmlhelper.parseXMLTimestamp(
data[END_TIME]) if END_TIME in data else None
capacity = data[
'capacity'] if 'capacity' in data else 0 # Maybe None should just be best effort
# auto commit (default true) and auto provision (defult false)
auto_commit = False if 'auto_commit' in data and not data[
'auto_commit'] else True
auto_provision = True if 'auto_provision' in data and data[
'auto_provision'] else False
if auto_provision and not auto_commit:
msg = 'Cannot have auto-provision without auto-commit'
log.msg('Rejecting request: ' + msg, system=LOG_SYSTEM)
return _requestResponse(request, 400, msg + RN) # Bad Request
# fillers, we don't really do this in this api
symmetric = False
ero = None
params = None
version = 0
service_def = nsa.Point2PointService(source_stp, destination_stp,
capacity, cnt.BIDIRECTIONAL,
symmetric, ero, params)
schedule = nsa.Schedule(start_time, end_time)
criteria = nsa.Criteria(version, schedule, service_def)
header = nsa.NSIHeader(
'rest-dud-requester',
'rest-dud-provider') # completely bogus header
d = self.provider.reserve(
header, None, None, None, criteria, request_info
) # nones are connection_id, global resv id, description
d.addCallbacks(createResponse,
_createErrorResponse,
errbackArgs=(request, ))
if auto_commit:
@defer.inlineCallbacks
def connectionCreated(conn_id):
if conn_id is None:
# error creating connection
# not exactly optimal code flow here, but chainining the callback correctly for this is tricky
return
conn = yield self.provider.getConnection(conn_id)
def stateUpdate():
log.msg(
'stateUpdate reservation_state: %s, provision_state: %s'
% (str(conn.reservation_state),
str(conn.provision_state)),
debug=True,
system=LOG_SYSTEM)
if conn.reservation_state == state.RESERVE_HELD:
self.provider.reserveCommit(
header, conn_id, request_info)
if conn.reservation_state == state.RESERVE_START and conn.provision_state == state.RELEASED and auto_provision:
self.provider.provision(header, conn_id,
request_info)
if conn.provision_state == state.PROVISIONED:
state.desubscribe(conn_id, stateUpdate)
state.subscribe(conn_id, stateUpdate)
d.addCallback(connectionCreated)
return server.NOT_DONE_YET
except Exception as e:
#log.err(e, system=LOG_SYSTEM)
log.msg('Error creating connection: %s' % str(e),
system=LOG_SYSTEM)
error_code = _errorCode(e)
return _requestResponse(request, error_code, str(e))
