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#
# A library to manage ARCFIRE experiments
#
# Copyright (C) 2017 Nextworks S.r.l.
# Copyright (C) 2017 imec
#
# Sander Vrijders <sander.vrijders@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 rumba.ssh_support as ssh
import rumba.model as mod
import time
import rumba.log as log
logger = log.get_logger(__name__)
# An experiment over the Ouroboros implementation
class Experiment(mod.Experiment):
def __init__(self, testbed, nodes=None):
mod.Experiment.__init__(self, testbed, nodes)
def prototype_name(self):
return 'ouroboros'
def setup_ouroboros(self):
for node in self.nodes:
ssh.execute_command(self.testbed, node.ssh_config,
"sudo nohup irmd > /dev/null &",
time_out=None)
def install_ouroboros(self):
cmds = list()
cmds.append("sudo apt-get update")
cmds.append("sudo apt-get install cmake protobuf-c-compiler " +
"git libfuse-dev --yes")
cmds.append("sudo rm -r ~/ouroboros/build")
cmds.append("cd ~/ouroboros; sudo ./install_debug.sh /")
for node in self.nodes:
ssh.execute_commands(self.testbed, node.ssh_config,
cmds, time_out=None)
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):
# NOTE: Here to test with fake testbed
if ipcp.ifname is None:
ipcp.ifname = "eth0"
cmd += " type shim-eth-llc if_name " + ipcp.ifname
cmd += " dif " + ipcp.dif.name
elif isinstance(ipcp.dif, mod.NormalDIF):
cmd += " type normal"
if ipcp.dif_bootstrapper:
cmd += " dif " + ipcp.dif.name
cmd2 = "irm b i " + ipcp.name + " name " + ipcp.dif.name
cmds2.append(cmd2)
cmd2 = "irm r n " + ipcp.name
for dif_b in node.dif_registrations[ipcp.dif]:
cmd2 += " dif " + dif_b.name
cmds2.append(cmd2)
cmd2 = "irm r n " + ipcp.dif.name
for dif_b in node.dif_registrations[ipcp.dif]:
cmd2 += " dif " + dif_b.name
cmds2.append(cmd2)
elif isinstance(ipcp.dif, mod.ShimUDPDIF):
# FIXME: Will fail, since we don't keep IPs yet
cmd += " type shim-udp"
cmd += " dif " + ipcp.dif.name
else:
logger.error("Unsupported IPCP type")
continue
cmds.append(cmd)
for cmd in cmds2:
cmds.append(cmd)
ssh.execute_commands(self.testbed, node.ssh_config, cmds,
time_out=None)
def enroll_ipcps(self):
for el in self.enrollments:
for e in el:
ipcp = e['enrollee']
cmds = list()
cmd = "irm i e n " + ipcp.name + " dif " + e['dif'].name
cmds.append(cmd)
cmd = "irm b i " + ipcp.name + " name " + ipcp.dif.name
cmds.append(cmd)
cmd = "irm r n " + ipcp.name
for dif_b in e['enrollee'].node.dif_registrations[ipcp.dif]:
cmd += " dif " + dif_b.name
cmds.append(cmd)
cmd = "irm r n " + ipcp.dif.name
for dif_b in e['enrollee'].node.dif_registrations[ipcp.dif]:
cmd += " dif " + dif_b.name
cmds.append(cmd)
ssh.execute_commands(self.testbed,
e['enrollee'].node.ssh_config,
cmds, time_out=None)
def setup_flows(self, flows):
for el in flows:
for e in el:
ipcp = e['src']
if flows == self.mgmt_flows:
comp = 'mgmt'
elif flows == self.dt_flows:
comp = 'dt'
else:
assert(False)
cmd = "irm i conn n " + ipcp.name + " comp " + \
comp + " dst " + e['dst'].name
ssh.execute_command(self.testbed,
ipcp.node.ssh_config,
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):
logger.info("Starting IRMd on all nodes...")
self.setup_ouroboros()
logger.info("Creating IPCPs")
self.create_ipcps()
logger.info("Enrolling IPCPs...")
self.enroll_ipcps()
logger.info("Setting up management flows...")
self.setup_flows(self.mgmt_flows)
logger.info("Setting up data transfer flows...")
self.setup_flows(self.dt_flows)
logger.info("All done, have fun!")
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