cr.PRINT = True
nc.PRINT = True
lab_path = args.path.replace('"', '').replace("'", '')
if args.directory:
lab_path = args.directory.replace('"', '').replace("'", '')
# getting options from args.options and later append them to the options dictionary
additional_options = []
if args.options:
for opt in args.options:
app = opt.replace('"', '').replace("'", '').split("=")
additional_options.append((app[0].strip(), app[1].strip()))
# get lab machines, options, links and metadata
(machines, links, options, metadata) = nc.lab_parse(lab_path, force=FORCE_LAB)
# applying parameter options (2/3)
# adding additional_options to options
for machine_name, _ in options.items():
options[machine_name] = options[machine_name] + additional_options
filtered_machines = machines
# filter machines based on machine_name_args (if at least one)
if len(machine_name_args) >= 1:
filtered_machines = dict((k, machines[k]) for k, v in machines.items()
if k in machine_name_args)
# if force-lab is set true and we have no machines from lab.conf we need to set machine names from args
if FORCE_LAB and (len(filtered_machines.items()) == 0):
def lstart_command_writer():
command = '"' + machine_path + '"'
if args.xterm:
command += " --xterm=" + args.xterm
if args.print_only:
command += " --print"
if (len(sys.argv) <= 3) and args.machine_name:
command += " -F " + args.machine_name
return command
#starting machine already existing in current lab
if args.hostlab:
if (os.path.exists(os.path.join(args.hostlab, "lab.conf"))):
(machines, links, options, metadata) = nc.lab_parse(args.hostlab)
if machines.get(args.machine_name) != None:
#creating and updating interfaces in lab.conf
conf_lines = {}
if (args.eths != None):
new_eths = eths_line_writer(args.eths)
conf_lines = u.merge_two_dicts(
u.couple_list_to_dict(machines[args.machine_name]),
new_eths)
else:
conf_lines = u.couple_list_to_dict(machines[args.machine_name])
conf_lines = conf_line_writer(conf_lines)
create_lab(machine_path, args.machine_name, conf_lines)
#copying and appending commands to startup file
'-F',
'--force-lab',
dest='force_lab',
required=False,
action='store_true',
help='Force the lab to start without a lab.conf or lab.dep file.')
args, unknown = parser.parse_known_args()
lab_path = args.path.replace('"', '').replace("'", '')
if args.directory:
lab_path = args.directory.replace('"', '').replace("'", '')
if args.full:
has_invalid_characters = False
(machines, links, _, _) = nc.lab_parse(lab_path, force=args.force_lab)
for machine_name, _ in machines.items():
if (' ' in machine_name) or ('"' in machine_name) or ("'"
in machine_name):
has_invalid_characters = True
break
if not has_invalid_characters:
for link in links:
if (' ' in link) or ('"' in link) or ("'" in link):
has_invalid_characters = True
break
if has_invalid_characters:
print("Invalid characters in machine names or link names\n")
sys.exit(1)
parser.add_argument('path')
parser.add_argument('-d',
'--directory',
required=False,
help='Folder contining the lab.')
parser.add_argument(
'--print',
dest="print_only",
required=False,
action='store_true',
help=
'Print commands used to start the containers to stderr (containers are not started).'
)
args, unknown = parser.parse_known_args()
lab_path = args.path.replace('"', '')
if args.directory:
lab_path = args.directory.replace('"', '')
# get lab machines, options, links and metadata
(_, _, _, metadata) = nc.lab_parse(lab_path)
if not args.print_only:
print("========================= Starting Lab ==========================")
if len(metadata.items()) >= 1:
for key, value in metadata.items():
print('{message: <20}'.format(message=key + ":") + value)
print(
"================================================================="
)