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
|
#
# Commands to setup and instruct rlite
#
# Author: Vincenzo Maffione <v.maffione@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., 51 Franklin Street, Fifth Floor, Boston,
# MA 02110-1301 USA
import rumba.ssh_support as ssh
import rumba.model as mod
import rumba.log as log
import time
logger = log.get_logger(__name__)
# An experiment over the rlite implementation
class Experiment(mod.Experiment):
def __init__(self, testbed, nodes=None):
mod.Experiment.__init__(self, testbed, nodes)
def prototype_name(self):
return 'rlite'
def execute_commands(self, node, cmds):
ssh.execute_commands(self.testbed, node.ssh_config,
cmds, time_out=None)
def execute_proxy_commands(self, node, cmds):
ssh.execute_proxy_commands(self.testbed, node.ssh_config,
cmds, time_out=None)
# Prepend sudo to all commands if the user is not 'root'
def may_sudo(self, cmds):
if self.testbed.username != 'root':
for i in range(len(cmds)):
cmds[i] = "sudo %s" % cmds[i]
def init_nodes(self):
# Load kernel modules and start the uipcps daemon
cmds = ["modprobe rlite",
"modprobe rlite-normal",
"modprobe rlite-shim-eth",
"modprobe rlite-shim-udp4",
"modprobe rlite-shim-loopback",
"rlite-uipcps -v DBG -k 0 &> uipcp.log &"]
self.may_sudo(cmds)
for node in self.nodes:
self.execute_commands(node, cmds)
def create_ipcps(self):
for node in self.nodes:
cmds = []
for ipcp in node.ipcps:
# Generate the command to create the IPCP
if type(ipcp.dif) is mod.NormalDIF:
ipcp_type = 'normal'
elif type(ipcp.dif) is mod.ShimEthDIF:
ipcp_type = 'shim-eth'
elif type(ipcp.dif) is mod.ShimUDPDIF:
ipcp_type = 'shim-udp4'
else:
logger.warning(
"unknown type for DIF %s, default to loopback",
ipcp.dif.name)
ipcp_type = 'shim-loopback'
cmds.append("rlite-ctl ipcp-create %s %s %s" %
(ipcp.name, ipcp_type, ipcp.dif.name))
# Generate the command to configure the interface
# name for the shim-eth
if type(ipcp.dif) is mod.ShimEthDIF:
cmds.append("rlite-ctl ipcp-config %s netdev %s"
% (ipcp.name, ipcp.ifname))
self.may_sudo(cmds)
self.execute_commands(node, cmds)
def register_ipcps(self):
for node in self.nodes:
cmds = []
for ipcp in node.ipcps:
for lower in ipcp.registrations:
cmds.append("rlite-ctl ipcp-register %s %s"
% (ipcp.name, lower.name))
self.may_sudo(cmds)
self.execute_commands(node, cmds)
def enroll_ipcps(self):
for el in self.enrollments:
for e in el:
d = {'enrollee': e['enrollee'].name,
'dif': e['dif'].name,
'lower_dif': e['lower_dif'].name,
'enroller': e['enroller'].name
}
cmd = "rlite-ctl ipcp-enroll %(enrollee)s %(dif)s "\
"%(lower_dif)s %(enroller)s" % d
cmds = [cmd]
self.may_sudo(cmds)
self.execute_commands(e['enrollee'].node, cmds)
time.sleep(1)
def install_prototype(self):
logger.info("installing rlite on all nodes")
cmds = ["sudo apt-get update",
"sudo -E apt-get install g++ gcc cmake "
"linux-headers-$(uname -r) "
"protobuf-compiler libprotobuf-dev git --yes",
"rm -rf ~/rlite",
"cd ~; git clone https://github.com/vmaffione/rlite",
"cd ~/rlite && ./configure && make && sudo make install",
"cd ~/rlite && sudo make depmod"
]
for node in self.nodes:
self.execute_proxy_commands(node, cmds)
logger.info("installation complete")
def bootstrap_prototype(self):
logger.info("setting up")
self.init_nodes()
logger.info("software initialized on all nodes")
self.create_ipcps()
logger.info("IPCPs created on all nodes")
self.register_ipcps()
logger.info("IPCPs registered to their lower DIFs on all nodes")
self.enroll_ipcps()
logger.info("enrollment completed in all DIFs")
|
