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source: fedd/federation/experiment_partition.py @ b0581ac

axis_examplecompt_changesinfo-opsversion-3.01version-3.02

Last change on this file since b0581ac was 1e7f268, checked in by Ted Faber <faber@…>, 15 years ago
Make computers single named
Property mode set to `100644`
File size: 19.1 KB

Rev	Line
[73e7f5c]	1	#!/usr/local/bin/python
	2
	3	import os,sys
	4
	5	import re
	6	import random
	7	import string
	8	import subprocess
	9	import tempfile
	10	import copy
	11	import pickle
	12	import logging
	13	import signal
	14	import time
	15
	16	import traceback
	17	# For parsing visualization output and splitter output
	18	import xml.parsers.expat
	19
	20	from threading import Lock, Thread, Condition
	21	from subprocess import call, Popen, PIPE
	22
	23	from urlparse import urlparse
	24	from urllib2 import urlopen
	25
	26	from util import *
	27	from fedid import fedid, generate_fedid
	28	from remote_service import xmlrpc_handler, soap_handler, service_caller
	29	from service_error import service_error
	30	from synch_store import synch_store
	31
	32	import topdl
	33	import list_log
	34	from ip_allocator import ip_allocator
	35	from ip_addr import ip_addr
	36
	37
	38	class nullHandler(logging.Handler):
	39	def emit(self, record): pass
	40
	41	fl = logging.getLogger("fedd.experiment_control")
	42	fl.addHandler(nullHandler())
	43
	44	class experiment_partition:
[175b444]	45	def __init__(self, auth=None, store_url=None, tbmap=None, muxmax=2,
	46	direct_transit=None):
[73e7f5c]	47	"""
	48	Intialize the various attributes
	49	"""
	50
	51	self.log = logging.getLogger("fedd.experiment_control." + \
	52	"experiment_paritition")
	53	self.auth = auth
	54	self.store_url = store_url
	55	self.tbmap = tbmap
[175b444]	56	self.direct_transit = direct_transit or [ ]
[73e7f5c]	57	self.muxmax = muxmax
	58
	59
[5f96438]	60	def new_portal_node(self, st, dt, tbparams, masters, eid, myname, desthost,
[73e7f5c]	61	portal_type, iface_desc=(), conn_type="ssh", conn_attrs=[],
	62	expid=None):
	63	"""
	64	Return a new internet portal node and a dict with the connectionInfo to
	65	be attached.
	66	"""
[5f96438]	67	seer_master = None
[43197eb]	68	for m in masters.values():
	69	for s in m:
	70	if s.name == 'SEER':
	71	seer_master = m
	72	break
	73	if seer_master: break
[5f96438]	74
	75	if seer_master:
	76	mdomain = tbparams[seer_master].get('domain', '.example.com')
	77	mproject = tbparams[seer_master].get('project', 'project')
	78	muser = tbparams[seer_master].get('user', 'root')
	79	smbshare = tbparams[seer_master].get('smbshare', 'USERS')
	80	else:
	81	mdomain = '.example.com'
	82	mproject = 'project'
	83	muser = 'root'
	84	smbshare = 'USERS'
	85
[73e7f5c]	86	dproject = tbparams[dt].get('project', 'project')
[0c4b12c]	87	ddomain = tbparams[dt].get('domain', '.example.com')
[73e7f5c]	88
[5f96438]	89	if (st in masters and dt not in masters) or \
[43197eb]	90	( st not in masters and dt in masters ):
[5f96438]	91	active = ("%s" % (st in masters))
[73e7f5c]	92	else:
	93	active = ("%s" % (st > dt))
	94
	95	ifaces = [ ]
	96	for sub, attrs in iface_desc:
	97	inf = topdl.Interface(
	98	name="inf%03d" % len(ifaces),
	99	substrate=sub,
	100	attribute=[
	101	topdl.Attribute(
	102	attribute=n,
	103	value = v)
	104	for n, v in attrs
	105	]
	106	)
	107	ifaces.append(inf)
	108	if conn_type == "ssh":
	109	try:
	110	aid = tbparams[st]['allocID']['fedid']
	111	except:
	112	self.log.debug("[new_portal_node] Can't get alloc id for %s?" \
	113	% st)
	114	aid = None
	115	info = {
	116	"type" : conn_type,
	117	"portal": myname,
	118	'fedAttr': [
	119	{ 'attribute': 'masterdomain', 'value': mdomain},
	120	{ 'attribute': 'masterexperiment', 'value':
	121	"%s/%s" % (mproject, eid)},
	122	{ 'attribute': 'active', 'value': active},
	123	# Move to SMB service description
	124	{ 'attribute': 'masteruser', 'value': muser},
	125	{ 'attribute': 'smbshare', 'value': smbshare},
	126	],
	127	'parameter': [
	128	{
	129	'name': 'peer',
	130	'key': 'fedid:%s/%s' % (expid, myname),
	131	'store': self.store_url,
	132	'type': 'output',
	133	},
	134	{
	135	'name': 'ssh_port',
	136	'key': 'fedid:%s/%s-port' % (expid, myname),
	137	'store': self.store_url,
	138	'type': 'output',
	139	},
	140	{
	141	'name': 'peer',
	142	'key': 'fedid:%s/%s' % (expid, desthost),
	143	'store': self.store_url,
	144	'type': 'input',
	145	},
	146	{
	147	'name': 'ssh_port',
	148	'key': 'fedid:%s/%s-port' % (expid, desthost),
	149	'store': self.store_url,
	150	'type': 'input',
	151	},
	152	]
	153	}
	154	# Give this allocation the rights to access the key of the
	155	# peers
	156	if aid:
	157	for h in (myname, desthost):
	158	self.auth.set_attribute(aid, 'fedid:%s/%s' % (expid, h))
	159	self.auth.set_attribute(aid, 'fedid:%s/%s-port' % \
	160	(expid, h))
	161	else:
	162	self.log.error("No aid for %s in new_portal_node" % st)
	163	else:
	164	info = None
	165
	166	return (topdl.Computer(
	167	name=myname,
	168	attribute=[
	169	topdl.Attribute(attribute=n,value=v)
	170	for n, v in (\
	171	('portal', 'true'),
	172	('portal_type', portal_type),
[0c4b12c]	173	('destination_testbed', dt),
[73e7f5c]	174	)
	175	],
	176	interface=ifaces,
	177	), info)
	178
	179	def new_portal_substrate(self, st, dt, eid, tbparams, expid):
	180	ddomain = tbparams[dt].get('domain', ".example.com")
	181	dproject = tbparams[dt].get('project', 'project')
	182	tsubstrate = \
	183	topdl.Substrate(name='%s-%s' % (st, dt),
	184	attribute= [
	185	topdl.Attribute(
	186	attribute='portal',
	187	value='true')
	188	]
	189	)
	190	segment_element = topdl.Segment(
	191	id= tbparams[dt]['allocID'],
	192	type='emulab',
[f3803ea]	193	uri = self.tbmap.get(testbed_base(dt), None),
[73e7f5c]	194	interface=[
	195	topdl.Interface(
	196	substrate=tsubstrate.name),
	197	],
	198	attribute = [
	199	topdl.Attribute(attribute=n, value=v)
	200	for n, v in (\
	201	('domain', ddomain),
	202	('experiment', "%s/%s" % \
	203	(dproject, eid)),)
	204	],
	205	)
	206
	207	return (tsubstrate, segment_element)
	208
[175b444]	209	def new_direct_topo(self, idx, sub, topo, tbs, tbparams, connInfo, expid,
	210	tb_name):
[73e7f5c]	211	if sub.capacity is None:
	212	raise service_error(service_error.internal,
	213	"Cannot DRAGON split substrate w/o capacity")
	214	segs = [ ]
[175b444]	215	name = join_testbed(tb_name, "%d" % idx)
[ab847bc]	216	substr = topdl.Substrate(name=name,
[73e7f5c]	217	capacity=sub.capacity.clone(),
	218	attribute=[ topdl.Attribute(attribute=n, value=v)
	219	for n, v, in (\
	220	('vlan', 'unassigned%d' % idx),)])
	221	store_key = 'fedid:%s/vlan%d' % (expid, idx)
	222	for tb in tbs.keys():
	223	seg = topdl.Segment(
	224	id = tbparams[tb]['allocID'],
	225	type='emulab',
[f3803ea]	226	uri = self.tbmap.get(testbed_base(tb), None),
[73e7f5c]	227	interface=[
	228	topdl.Interface(
	229	substrate=substr.name),
	230	],
	231	attribute=[ topdl.Attribute(
[175b444]	232	attribute='%s_endpoint' % tb_name,
	233	value=tbparams[tb][tb_name]),
[73e7f5c]	234	]
	235	)
[175b444]	236	vlan_key = "%s_vlans" % tb_name
	237	if vlan_key in tbparams[tb]:
	238	seg.set_attribute(vlan_key, tbparams[tb][vlan_key])
[73e7f5c]	239	segs.append(seg)
	240
	241	# Give this allocation the rights to access the key of the
	242	# vlan_id
	243	try:
	244	aid = tbparams[tb]['allocID']['fedid']
	245	self.auth.set_attribute(aid, store_key)
	246	except:
[175b444]	247	self.log.debug("[new_direct_topo] Can't get alloc id for %s?"\
[73e7f5c]	248	% tb)
	249
	250	connInfo[name] = [ {
	251	'type': 'transit',
	252	'parameter': [ {
	253	'name': 'vlan_id',
	254	'key': store_key,
	255	'store': self.store_url,
	256	'type': 'output'
	257	} ]
	258	} ]
	259
	260	topo[name] = \
	261	topdl.Topology(substrates=[substr], elements=segs,
	262	attribute=[
	263	topdl.Attribute(attribute="transit", value='true'),
	264	topdl.Attribute(attribute="dynamic", value='true'),
[175b444]	265	topdl.Attribute(attribute="testbed", value=tb_name),
[73e7f5c]	266	topdl.Attribute(attribute="store_keys",
	267	value=store_key),
	268	]
	269	)
	270
[175b444]	271	def create_direct_substrate(self, sub, topo, tbs, tbparams, masters, eid,
	272	connInfo, expid=None, tb_name=None):
[73e7f5c]	273	"""
	274	Add attribiutes to the various elements indicating that they are to be
	275	dragon connected and create a dragon segment in topo to be
	276	instantiated.
	277	"""
	278
	279	def get_substrate_from_topo(name, t):
	280	for s in t.substrates:
	281	if s.name == name: return s
	282	else: return None
	283
	284
[5f96438]	285	seer_master = None
[43197eb]	286	for m in masters.values():
	287	for s in m:
	288	if s.name == 'SEER':
	289	seer_master = m
	290	break
	291	if seer_master: break
[5f96438]	292
	293	if seer_master:
	294	mdomain = tbparams[seer_master].get('domain', '.example.com')
	295	mproject = tbparams[seer_master].get('project', 'project')
	296	else:
	297	mdomain = '.example.com'
	298	mproject = 'project'
	299
[175b444]	300	# dn is the number of previously created direct nets on this direct
	301	# testbed. This routine creates a net numbered by dn
	302	dn = len([x for x in topo.keys() if x.startswith(tb_name)])
[73e7f5c]	303	# Count the number of interfaces on this substrate in each testbed from
	304	# the global topology
	305	count = { }
	306	node = { }
	307	for e in [ i.element for i in sub.interfaces ]:
	308	tb = e.get_attribute('testbed')
	309	count[tb] = count.get(tb, 0) + 1
	310	node[tb] = i.get_attribute('ip4_address')
	311
	312
[175b444]	313	# Set the attributes in the copies that will allow setup of direct
[73e7f5c]	314	# connections.
	315	for tb in tbs.keys():
	316	s = get_substrate_from_topo(sub.name, topo[tb])
	317	if s:
	318	if not connInfo.has_key(tb):
	319	connInfo[tb] = [ ]
	320
	321	try:
	322	aid = tbparams[tb]['allocID']['fedid']
	323	except:
[175b444]	324	self.log.debug("[create_direct_substrate] " +
[73e7f5c]	325	"Can't get alloc id for %s?" %tb)
	326	aid = None
	327
	328	# This may need another look, but only a service gateway will
	329	# look at the active parameter, and these are only inserted to
[5f96438]	330	# connect to a master.
	331	active = "%s" % ( tb in masters)
[73e7f5c]	332	info = {
	333	'type': 'transit',
	334	'member': [ {
[1e7f268]	335	'element': i.element.name,
[73e7f5c]	336	'interface': i.name
	337	} for i in s.interfaces \
	338	if isinstance(i.element, topdl.Computer) ],
	339	'fedAttr': [
	340	{ 'attribute': 'masterdomain', 'value': mdomain},
	341	{ 'attribute': 'masterexperiment', 'value':
	342	"%s/%s" % (mproject, eid)},
	343	{ 'attribute': 'active', 'value': active},
	344	],
	345	'parameter': [ {
	346	'name': 'vlan_id',
	347	'key': 'fedid:%s/vlan%d' % (expid, dn),
	348	'store': self.store_url,
	349	'type': 'input',
	350	} ]
	351	}
	352	if tbs.has_key(tb):
	353	info['peer'] = tbs[tb]
	354	connInfo[tb].append(info)
	355
	356	# Give this allocation the rights to access the key of the
	357	# vlan_id
	358	if aid:
	359	self.auth.set_attribute(aid,
	360	'fedid:%s/vlan%d' % (expid, dn))
	361	else:
	362	raise service_error(service_error.internal,
	363	"No substrate %s in testbed %s" % (sub.name, tb))
	364
[175b444]	365	self.new_direct_topo(dn, sub, topo, tbs, tbparams, connInfo, expid,
	366	tb_name)
[73e7f5c]	367
[5f96438]	368	def insert_internet_portals(self, sub, topo, tbs, tbparams, masters, eid,
[73e7f5c]	369	segment_substrate, portals, connInfo, expid):
	370	# More than one testbed is on this substrate. Insert
	371	# some portals into the subtopologies. st == source testbed,
	372	# dt == destination testbed.
	373	for st in tbs.keys():
	374	if not segment_substrate.has_key(st):
	375	segment_substrate[st] = { }
	376	if not portals.has_key(st):
	377	portals[st] = { }
	378	if not connInfo.has_key(st):
	379	connInfo[st] = [ ]
	380	for dt in [ t for t in tbs.keys() if t != st]:
	381	sproject = tbparams[st].get('project', 'project')
	382	dproject = tbparams[dt].get('project', 'project')
	383	sdomain = tbparams[st].get('domain', ".example.com")
	384	ddomain = tbparams[dt].get('domain', ".example.com")
	385	aid = tbparams[dt]['allocID']['fedid']
[5f96438]	386
	387	seer_master = None
[43197eb]	388
	389	for m in masters.values():
	390	for s in m:
	391	if s.name == 'SEER':
	392	seer_master = m
	393	break
	394	if seer_master: break
[5f96438]	395
	396	if seer_master:
	397	mdomain = tbparams[seer_master].get('domain', '.example.com')
	398	mproject = tbparams[seer_master].get('project', 'project')
	399	muser = tbparams[seer_master].get('user', 'root')
	400	smbshare = tbparams[seer_master].get('smbshare', 'USERS')
	401	else:
	402	mdomain = '.example.com'
	403	mproject = 'project'
	404	muser = 'root'
	405	smbshare = 'USERS'
	406
	407	if (st in masters and dt not in masters) or \
	408	(st not in masters and dt in masters):
	409	active = ("%s" % (st in masters))
[73e7f5c]	410	else:
	411	active = ("%s" %(st > dt))
[5f96438]	412
[73e7f5c]	413	if not segment_substrate[st].has_key(dt):
	414	# Put a substrate and a segment for the connected
	415	# testbed in there.
	416	tsubstrate, segment_element = \
	417	self.new_portal_substrate(st, dt, eid, tbparams,
	418	expid)
	419	segment_substrate[st][dt] = tsubstrate
	420	topo[st].substrates.append(tsubstrate)
	421	topo[st].elements.append(segment_element)
	422
	423	new_portal = False
[175b444]	424	dname = "-".join(split_testbed(dt))
	425	sname = "-".join(split_testbed(st))
[73e7f5c]	426	if portals[st].has_key(dt):
	427	# There's a portal set up to go to this destination.
	428	# See if there's room to multiplex this connection on
	429	# it. If so, add an interface to the portal; if not,
	430	# set up to add a portal below.
	431	# [This little festival of braces is just a pop of the
	432	# last element in the list of portals between st and
	433	# dt.]
	434	portal = portals[st][dt][-1]
	435	mux = len([ i for i in portal.interface \
	436	if not i.get_attribute('portal')])
	437	if mux == self.muxmax:
	438	new_portal = True
	439	portal_type = "experiment"
[f3803ea]	440	myname = "%stunnel%d" % (dname.lower(),
	441	len(portals[st][dt]))
	442	desthost = "%stunnel%d" % (sname.lower(),
[73e7f5c]	443	len(portals[st][dt]))
	444	else:
	445	new_i = topdl.Interface(
	446	substrate=sub.name,
	447	attribute=[
	448	topdl.Attribute(
	449	attribute='ip4_address',
	450	value=tbs[dt]
	451	)
	452	])
	453	portal.interface.append(new_i)
	454	else:
	455	# First connection to this testbed, make an empty list
	456	# and set up to add the new portal below
	457	new_portal = True
	458	portals[st][dt] = [ ]
[f3803ea]	459	myname = "%stunnel%d" % (dname.lower(),
	460	len(portals[st][dt]))
	461	desthost = "%stunnel%d" % (sname.lower(),
	462	len(portals[st][dt]))
[73e7f5c]	463
[5f96438]	464	if dt in masters or st in masters: portal_type = "both"
[73e7f5c]	465	else: portal_type = "experiment"
	466
	467	if new_portal:
	468	infs = (
	469	(segment_substrate[st][dt].name,
	470	(('portal', 'true'),)),
	471	(sub.name,
	472	(('ip4_address', tbs[dt]),))
	473	)
	474	portal, info = self.new_portal_node(st, dt, tbparams,
[5f96438]	475	masters, eid, myname, desthost, portal_type,
[73e7f5c]	476	infs, conn_type="ssh", conn_attrs=[], expid=expid)
	477
	478	topo[st].elements.append(portal)
	479	portals[st][dt].append(portal)
	480	connInfo[st].append(info)
	481
[0c4b12c]	482	def add_control_portal(self, st, dt, masters, eid, topo, tbparams,
	483	connInfo, expid):
[73e7f5c]	484	# Add to the master testbed
	485	tsubstrate, segment_element = \
	486	self.new_portal_substrate(st, dt, eid, tbparams, expid)
	487	myname = "%stunnel" % dt
	488	desthost = "%stunnel" % st
	489
[5f96438]	490	portal, info = self.new_portal_node(st, dt, tbparams, masters,
[73e7f5c]	491	eid, myname, desthost, "control",
	492	((tsubstrate.name,(('portal','true'),)),), conn_type="ssh",
	493	conn_attrs=[], expid=expid)
	494
	495	topo[st].substrates.append(tsubstrate)
	496	topo[st].elements.append(segment_element)
	497	topo[st].elements.append(portal)
	498	if not connInfo.has_key(st):
	499	connInfo[st] = [ ]
	500	connInfo[st].append(info)
	501
[175b444]	502	def new_direct_portal(self, st, dt, masters, eid, myip, dip, idx,
	503	substrate, tbparams, expid, tb_name):
[73e7f5c]	504	# Add to the master testbed
	505	myname = "%stunnel" % dt
	506	desthost = "%s" % ip_addr(dip)
	507
[5f96438]	508	portal, info = self.new_portal_node(st, dt, tbparams, masters,
[73e7f5c]	509	eid, myname, desthost, "control",
	510	((substrate.name,(
	511	('portal','true'),
	512	('ip4_address', "%s" % ip_addr(myip)),)),),
	513	conn_type="transit", conn_attrs=[], expid=expid)
	514
	515	return portal
	516
[5f96438]	517	def add_portals(self, top, topo, eid, masters, tbparams, ip_allocator,
[73e7f5c]	518	connInfo, expid):
	519	"""
	520	For each substrate in the main topology, find those that
	521	have nodes on more than one testbed. Insert portal nodes
	522	into the copies of those substrates on the sub topologies.
	523	"""
	524	segment_substrate = { }
	525	portals = { }
	526	for s in top.substrates:
	527	# tbs will contain an ip address on this subsrate that is in
	528	# each testbed.
	529	tbs = { }
	530	for i in s.interfaces:
	531	e = i.element
	532	tb = e.get_attribute('testbed')
	533	if tb and not tbs.has_key(tb):
	534	for i in e.interface:
	535	if s in i.subs:
	536	tbs[tb]= i.get_attribute('ip4_address')
	537	if len(tbs) < 2:
	538	continue
	539
[f3803ea]	540	base_tbs = set([testbed_base(t) for t in tbs])
	541
[175b444]	542	# DRAGON will not create multi-site vlans yet, so we don't do multi
	543	# connection direct transits yet.
	544	if len(tbs) == 2 :
	545	# NB: the else if on the for loop - if none of the direct
	546	# transits is applicable, use the internet.
	547	for d in self.direct_transit:
	548	if all([tbparams[x].has_key(d) for x in tbs]):
	549	self.create_direct_substrate(s, topo, tbs, tbparams,
	550	masters, eid, connInfo, expid, d)
	551	break
	552	else:
	553	self.insert_internet_portals(s, topo, tbs, tbparams,
	554	masters, eid, segment_substrate, portals,
	555	connInfo, expid)
[73e7f5c]	556	else:
[5f96438]	557	self.insert_internet_portals(s, topo, tbs, tbparams, masters,
[73e7f5c]	558	eid, segment_substrate, portals, connInfo, expid)
	559
[175b444]	560
[5f96438]	561	# Make sure that all the service importers have a control portal back
	562	# to the master for each service.
[0c4b12c]	563	for mtb in [ t for t in tbparams if t in masters ]:
[43197eb]	564	importers = set([])
	565	for m in masters[mtb]:
	566	importers \|= set(m.importers)
	567	for tb in importers:
[0c4b12c]	568	if len([e for e in topo[tb].elements \
	569	if isinstance(e, topdl.Computer) and \
	570	e.get_attribute('destination_testbed') == mtb and \
	571	e.get_attribute('portal') and \
	572	e.get_attribute('portal_type') == 'both']) == 0:
	573
[175b444]	574	for tb_name in self.direct_transit:
	575
	576	if tbparams[mtb].has_key(tb_name) \
	577	and tbparams[tb].has_key(tb_name):
	578
	579	idx = len([x for x in topo.keys() \
	580	if x.startswith(tb_name)])
	581	dip, leng = ip_allocator.allocate(4)
	582	dip += 1
	583	mip = dip+1
	584	csub = topdl.Substrate(
	585	name="%s-control-%s" % (tb_name, tb),
	586	capacity=topdl.Capacity(100000.0, 'max'),
	587	attribute=[
	588	topdl.Attribute(
	589	attribute='portal',
	590	value='true'
	591	)
	592	]
	593	)
	594	seg = topdl.Segment(
	595	id= tbparams[mtb]['allocID'],
	596	type='emulab',
	597	uri = self.tbmap.get(testbed_base(mtb),
	598	None),
	599	interface=[
	600	topdl.Interface(
	601	substrate=csub.name),
	602	],
	603	attribute = [
	604	topdl.Attribute(attribute=n, value=v)
	605	for n, v in (\
	606	('domain',
	607	tbparams[mtb].get('domain',
	608	".example.com")),
	609	('experiment', "%s/%s" % \
	610	(tbparams[mtb].get(
	611	'project',
	612	'project'),
	613	eid)),)
	614	],
	615	)
	616	portal = self.new_direct_portal(tb, mtb,
	617	masters, eid, dip, mip, idx, csub,
	618	tbparams, expid, tb_name)
	619	topo[tb].substrates.append(csub)
	620	topo[tb].elements.append(portal)
	621	topo[tb].elements.append(seg)
	622
	623	mcsub = csub.clone()
	624	seg = topdl.Segment(
	625	id= tbparams[tb]['allocID'],
	626	type='emulab',
	627	uri = self.tbmap.get(testbed_base(tb),
	628	None),
	629	interface=[
	630	topdl.Interface(
	631	substrate=csub.name),
	632	],
	633	attribute = [
	634	topdl.Attribute(attribute=n, value=v)
	635	for n, v in (\
	636	('domain',
	637	tbparams[tb].get('domain',
	638	".example.com")),
	639	('experiment', "%s/%s" % \
	640	(tbparams[tb].get('project',
	641	'project'),
	642	eid)),)
	643	],
	644	)
	645	portal = self.new_direct_portal(mtb, tb, masters,
	646	eid, mip, dip, idx, mcsub, tbparams, expid,
	647	tb_name)
	648	topo[mtb].substrates.append(mcsub)
	649	topo[mtb].elements.append(portal)
	650	topo[mtb].elements.append(seg)
	651	for t in (mtb, tb):
	652	topo[t].incorporate_elements()
	653
	654	self.create_direct_substrate(csub, topo,
	655	{tb: ip_addr(mip), mtb: ip_addr(dip)},
	656	tbparams, masters, eid, connInfo,
	657	expid, tb_name)
	658	break
	659	# This matches with the for tb_name in self.direct_transit
[0c4b12c]	660	else:
	661	self.add_control_portal(mtb, tb, masters, eid, topo,
	662	tbparams, connInfo, expid)
	663	self.add_control_portal(tb, mtb, masters, eid, topo,
	664	tbparams, connInfo, expid)
[73e7f5c]	665
	666	# Connect the portal nodes into the topologies and clear out
	667	# substrates that are not in the topologies
[0c4b12c]	668	for tb in tbparams:
[73e7f5c]	669	topo[tb].incorporate_elements()
	670	topo[tb].substrates = \
	671	[s for s in topo[tb].substrates \
	672	if len(s.interfaces) >0]
	673

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