#!/usr/bin/env python
import argparse
import re
import rumba.model as mod
def make_experiment(filename, experiment_class, experiment_kwargs,
testbed_class, testbed_kwargs):
"""
:type filename str
:param filename: path to the .conf file
:param experiment_class: subclass of mod.Experiment
:param experiment_kwargs: args dict for experiment constructor
(nodes will be overwritten)
:param testbed_class: subclass of mod.Testbed
:param testbed_kwargs: args dict for experiment constructor
(nodes will be overwritten)
"""
shims = {}
nodes = {}
difs = {}
print('Reading file %s.' % (filename,))
with open(filename, 'r') as conf:
line_cnt = 0
while 1:
line = conf.readline()
if line == '':
break
line_cnt += 1
line = line.replace('\n', '').strip()
if line.startswith('#') or line == "":
continue
m = re.match(r'\s*eth\s+([\w-]+)\s+(\d+)([GMK])bps\s+(\w.*)$', line)
if m:
shim = m.group(1)
speed = int(m.group(2))
speed_unit = m.group(3).lower()
vm_list = m.group(4).split()
if shim in shims or shim in difs:
print('Error: Line %d: shim %s already defined'
% (line_cnt, shim))
continue
if speed_unit == 'K':
speed = speed // 1000
if speed_unit == 'G':
speed = speed * 1000
shims[shim] = {'name': shim,
'speed': speed,
'type': 'eth'}
for vm in vm_list:
nodes.setdefault(vm, {'name': vm, 'difs': [],
'dif_registrations': {},
'registrations': {}})
nodes[vm]['difs'].append(shim)
continue
m = re.match(r'\s*dif\s+([\w-]+)\s+([\w-]+)\s+(\w.*)$', line)
if m:
dif = m.group(1)
vm = m.group(2)
dif_list = m.group(3).split()
if dif in shims:
print('Error: Line %d: dif %s already defined as shim'
% (line_cnt, dif))
continue
difs.setdefault(dif, {
'name': dif}) # Other dict contents might be policies.
if vm in nodes and dif in nodes[vm]['dif_registrations']:
print('Error: Line %d: vm %s in dif %s already specified'
% (line_cnt, vm, dif))
continue
nodes.setdefault(vm, {'name': vm, 'difs': [],
'dif_registrations': {},
'registrations': {}})
nodes[vm]['difs'].append(dif)
nodes[vm]['dif_registrations'][dif] = dif_list
# It is not defined yet, per check above.
continue
# No match, spit a warning
print('Warning: Line %d unrecognized and ignored' % line_cnt)
# File parsed
parsed_difs = {}
for shim_name, shim in shims.items():
parsed_difs[shim_name] = (mod.ShimEthDIF(shim_name,
link_speed=shim['speed']))
for dif_name, dif in difs.items():
parsed_difs[dif_name] = (mod.NormalDIF(dif_name))
parsed_nodes = []
for node, node_data in nodes.items():
name = node_data['name']
difs = [parsed_difs[x] for x in node_data['difs']]
dif_registrations = {parsed_difs[x]: [parsed_difs[y] for y in l]
for x, l in node_data['dif_registrations']
.items()}
parsed_nodes.append(mod.Node(name, difs, dif_registrations))
testbed = testbed_class(**testbed_kwargs)
experiment_kwargs['testbed'] = testbed
experiment_kwargs['nodes'] = parsed_nodes
return experiment_class(**experiment_kwargs).run()
def setup_testbed_common_args(t_p):
t_p.add_argument('-E', '--exp_name', metavar='EXP_NAME', type=str,
required=True,
help='Experiment name')
t_p.add_argument('-U', '--username', metavar='USERNAME', type=str,
required=True,
help='Testbed user name')
t_p.add_argument('-P', '--proj_name', metavar='PROJECT_NAME', type=str,
help='Project name')
t_p.add_argument('-W', '--password', metavar='PASSWORD', type=str,
help='Testbed password')
if __name__ == '__main__':
description = "Demonstrator config file to rumba script converter"
epilog = "2017 Marco Capitani <m.capitani@nextworks.it>"
parser = argparse.ArgumentParser(description=description,
epilog=epilog)
parser.add_argument('-P', '--prototype', type=str, required=True,
choices=['irati', 'ouroboros', 'rlite'],
help='The kind of prototype plugin to use to run'
' the experiment.')
parser.add_argument('-C', '--conf', metavar='CONFIG', type=str,
required=True,
help='Path to the config file to parse')
subparsers = parser.add_subparsers(dest='testbed')
emulab_p = subparsers.add_parser('emulab', help='Use emulab testbed')
jfed_p = subparsers.add_parser('jfed', help='Use jfed testbed')
qemu_p = subparsers.add_parser('qemu', help='Use qemu testbed')
fake_p = subparsers.add_parser('fake', help='Use fake testbed')
for t in [emulab_p, jfed_p, qemu_p, fake_p]:
setup_testbed_common_args(t)
qemu_p.add_argument('-B', '--bzimage', metavar='BZIMAGE', type=str,
required=True,
help='path to the bzImage file to use')
qemu_p.add_argument('-I', '--initramfs', metavar='INITRAMFS', type=str,
required=True,
help='path to the initramfs file to use')
qemu_p.add_argument('-V', '--use_vhost', action='store_true',
default=False, help='Use vhost')
qemu_p.add_argument('-Q', '--qemu_logs_dir', metavar='QEMU_LOGS', type=str,
default=None, help='path to the folder for qemu logs')
emulab_p.add_argument('-R', '--url', metavar='URL', type=str,
default="wall2.ilabt.iminds.be",
help='Url')
emulab_p.add_argument('-I', '--image', metavar='IMG', type=str,
default="UBUNTU14-64-STD",
help='Ubuntu image')
jfed_p.add_argument('-C', '--cert_file', metavar='CERT', type=str,
required=True,
help='Certificate file')
jfed_p.add_argument('-J', '--jar', metavar='JAR', type=str,
required=True,
help='Jfed jar')
jfed_p.add_argument('-H', '--exp_hours', metavar='HOURS', type=int,
default=2, help='Experiment hours')
jfed_p.add_argument('-A', '--authority', metavar='AUTH', type=str,
default="wall2.ilabt.iminds.be",
help='Authority')
args = parser.parse_args()
if args.testbed == 'emulab':
import rumba.testbeds.emulab as emulab
test_class = emulab.Testbed
testbed_args = {a.dest: getattr(args, a.dest)
for a in emulab_p._actions
if a.dest != 'help'
and getattr(args, a.dest) is not None}
elif args.testbed == 'jfed':
import rumba.testbeds.jfed as jfed
test_class = jfed.Testbed
testbed_args = {a.dest: getattr(args, a.dest)
for a in jfed_p._actions
if a.dest != 'help'
and getattr(args, a.dest) is not None}
elif args.testbed == 'qemu':
import rumba.testbeds.qemu as qemu
test_class = qemu.Testbed
testbed_args = {a.dest: getattr(args, a.dest)
for a in qemu_p._actions
if a.dest != 'help'
and getattr(args, a.dest) is not None}
elif args.testbed == 'fake':
import rumba.testbeds.faketestbed as fake
test_class = fake.Testbed
testbed_args = {a.dest: getattr(args, a.dest)
for a in fake_p._actions
if a.dest != 'help'
and getattr(args, a.dest) is not None}
else:
if args.testbed is None:
print('Testbed type must be specified!')
print(parser.format_help())
exit(1)
raise ValueError('Unexpected testbed: %s.' % args.testbed)
if args.prototype == 'irati':
import rumba.prototypes.irati as irati
exp_class = irati.Experiment
elif args.prototype == 'ouroboros':
import rumba.prototypes.ouroboros as ouroboros
exp_class = ouroboros.Experiment
elif args.prototype == 'rlite':
import rumba.prototypes.rlite as rlite
exp_class = rlite.Experiment
else:
raise ValueError('Unexpected prototype: %s.' % args.testbed)
try:
make_experiment(args.conf,
experiment_class=exp_class,
experiment_kwargs={},
testbed_class=test_class,
testbed_kwargs=testbed_args)
except KeyboardInterrupt:
print("Interrupted. Closing down.")