1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
|
#
# A library to manage ARCFIRE experiments
#
# Copyright (C) 2017-2018 Nextworks S.r.l.
# Copyright (C) 2017-2018 imec
#
# Sander Vrijders <sander.vrijders@ugent.be>
# Dimitri Staessens <dimitri.staessens@ugent.be>
# Vincenzo Maffione <v.maffione@nextworks.it>
# Marco Capitani <m.capitani@nextworks.it>
#
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
# version 2.1 of the License, or (at your option) any later version.
#
# This library is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with this library; if not, write to the Free Software
# Foundation, Inc., http://www.fsf.org/about/contact/.
#
import time
import subprocess
import rumba.ssh_support as ssh
import rumba.model as mod
import rumba.multiprocess as m_processing
import rumba.log as log
import rumba.testbeds.local as local
import rumba.testbeds.dockertb as docker
logger = log.get_logger(__name__)
class Experiment(mod.Experiment):
"""
Represents an Ouroboros experiment.
"""
def __init__(self, testbed, nodes=None,
git_repo='git://ouroboros.ilabt.imec.be/ouroboros',
git_branch='master', enrollment_strategy='minimal',
dt_strategy='full-mesh'):
"""
Initializes the experiment class.
:param testbed: The testbed to run the experiment on.
:param nodes: The list of nodes.
:param git_repo: The git repository to use for installation.
:param git_branch: The branch of the git repository to use.
:param enrollment_strategy: Can be 'full-mesh', 'minimal' or 'manual'.
:param dt_strategy: For data flows, 'full-mesh', 'minimal' or 'manual'.
"""
mod.Experiment.__init__(self, testbed, nodes, git_repo, git_branch,
enrollment_strategy=enrollment_strategy,
dt_strategy=dt_strategy)
self.r_ipcps = dict()
self.set_startup_command("irmd")
@staticmethod
def make_executor(node, packages, testbed):
def executor(commands):
ssh.aptitude_install(testbed, node, packages)
node.execute_commands(commands, time_out=None, use_proxy=True)
return executor
def prototype_name(self):
return 'ouroboros'
def exec_local_cmd(self, cmd):
try:
logger.info(cmd)
subprocess.check_call(cmd.split(' '))
except subprocess.CalledProcessError as e:
logger.error("Return code was " + str(e.returncode))
raise
def exec_local_cmds(self, cmds):
for cmd in cmds:
self.exec_local_cmd(cmd)
def setup_ouroboros(self):
if isinstance(self.testbed, docker.Testbed):
return
if isinstance(self.testbed, local.Testbed):
subprocess.check_call('sudo -v'.split())
self.irmd = subprocess.Popen(["sudo", "irmd"])
logger.info("Started IRMd, sleeping 2 seconds...")
time.sleep(2)
else:
for node in self.nodes:
node.execute_command("sudo nohup irmd > /dev/null &", time_out=None)
def install_ouroboros(self):
if isinstance(self.testbed, local.Testbed):
return
packages = ["cmake", "protobuf-c-compiler", "git", "libfuse-dev",
"libgcrypt20-dev", "libssl-dev"]
fs_loc = '/tmp/prototype'
cmds = ["sudo apt-get install libprotobuf-c-dev --yes || true",
"sudo rm -r " + fs_loc + " || true",
"git clone -b " + self.git_branch + " " + self.git_repo + \
" " + fs_loc,
"cd " + fs_loc + " && mkdir build && cd build && " +
"cmake -DCMAKE_BUILD_TYPE=Debug -DIPCP_FLOW_STATS=True " +
"-DCONNECT_TIMEOUT=60000 -DIPCP_CONN_WAIT_DIR=True " +
"-DREG_TIMEOUT=60000 -DQUERY_TIMEOUT=4000 .. && " +
"sudo make install -j$(nproc)"]
names = []
executors = []
args = []
for node in self.nodes:
executor = self.make_executor(node, packages, self.testbed)
names.append(node.name)
executors.append(executor)
args.append(cmds)
m_processing.call_in_parallel(names, args, executors)
def create_ipcps(self):
for node in self.nodes:
cmds = list()
for ipcp in node.ipcps:
cmds2 = list()
if ipcp.dif_bootstrapper:
cmd = "irm i b n " + ipcp.name
else:
cmd = "irm i c n " + ipcp.name
if isinstance(ipcp.dif, mod.ShimEthDIF):
if isinstance(self.testbed, local.Testbed):
cmd += " type local layer " + ipcp.dif.name
else:
cmd += " type eth-llc dev " + ipcp.ifname
cmd += " layer " + ipcp.dif.name
elif isinstance(ipcp.dif, mod.NormalDIF):
cmd += " type normal"
if ipcp.dif_bootstrapper:
pols = ipcp.dif.policy.get_policies()
for comp in pols:
for pol in pols[comp]:
cmd += " " + comp + " " + pol
cmd += " layer " + ipcp.dif.name + " autobind"
cmd2 = "irm r n " + ipcp.name
for dif_b in node.dif_registrations[ipcp.dif]:
for ipcp_b in node.ipcps:
if ipcp_b in dif_b.ipcps:
cmd2 += " ipcp " + ipcp_b.name
cmds2.append(cmd2)
cmd2 = "irm r n " + ipcp.dif.name
for dif_b in node.dif_registrations[ipcp.dif]:
for ipcp_b in node.ipcps:
if ipcp_b in dif_b.ipcps:
cmd2 += " ipcp " + ipcp_b.name
cmds2.append(cmd2)
elif isinstance(ipcp.dif, mod.ShimUDPDIF):
# FIXME: Will fail, since we don't keep IPs yet
cmd += " type udp"
cmd += " layer " + ipcp.dif.name
else:
logger.error("Unsupported IPCP type")
continue
cmds.append(cmd)
# Postpone registrations
self.r_ipcps[ipcp] = cmds2
node.execute_commands(cmds, time_out=None)
def enroll_dif(self, el):
for e in el:
ipcp = e['enrollee']
cmds = list()
# Execute postponed registration
if e['enroller'] in self.r_ipcps:
e['enroller'].node.execute_commands(self.r_ipcps[e['enroller']],
time_out=None)
self.r_ipcps.pop(e['enroller'], None)
cmd = "irm r n " + ipcp.name
for dif_b in e['enrollee'].node.dif_registrations[ipcp.dif]:
for ipcp_b in e['enrollee'].node.ipcps:
if ipcp_b in dif_b.ipcps:
cmd += " ipcp " + ipcp_b.name
cmds.append(cmd)
cmd = "irm i e n " + ipcp.name + " layer " + e['dif'].name + \
" autobind"
cmds.append(cmd)
cmd = "irm r n " + ipcp.dif.name
for dif_b in e['enrollee'].node.dif_registrations[ipcp.dif]:
for ipcp_b in e['enrollee'].node.ipcps:
if ipcp_b in dif_b.ipcps:
cmd += " ipcp " + ipcp_b.name
cmds.append(cmd)
e['enrollee'].node.execute_commands(cmds, time_out=None)
def setup_flows(self, el, comp):
for e in el:
ipcp = e['src']
cmd = "irm i conn n " + ipcp.name + " comp " + \
comp + " dst " + e['dst'].name
ipcp.node.execute_command(cmd, time_out=None)
def _install_prototype(self):
logger.info("Installing Ouroboros...")
self.install_ouroboros()
logger.info("Installed on all nodes...")
def _bootstrap_prototype(self):
for dif in self.dif_ordering:
if isinstance(dif, mod.NormalDIF):
if len(dif.qos_cubes) != 0:
logger.warn('QoS cubes not (yet) supported by '
'the Ouroboros plugin. Will ignore.')
logger.info("Starting IRMd on all nodes...")
self.setup_ouroboros()
logger.info("Creating IPCPs")
self.create_ipcps()
logger.info("Enrolling IPCPs...")
for element, mgmt, dt in zip(self.enrollments,
self.mgmt_flows,
self.dt_flows):
self.enroll_dif(element)
self.setup_flows(mgmt, comp="mgmt")
self.setup_flows(dt, comp="dt")
logger.info("All done, have fun!")
def _terminate_prototype(self):
if isinstance(self.testbed, local.Testbed):
logger.info("Killing IRMd...")
subprocess.check_call('sudo killall -15 irmd'.split())
def destroy_dif(self, dif):
for ipcp in dif.ipcps:
ipcp.node.execute_command('irm i d n ' + ipcp.name)
|
