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# Copyright 2014 The Chromium OS Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
"""Module to compare two machines."""
from __future__ import print_function
import os.path
import sys
import argparse
from machine_manager import CrosMachine
def PrintUsage(msg):
print(msg)
print('Usage: ')
print('\n compare_machines.py --chromeos_root=/path/to/chroot/ '
'machine1 machine2 ...')
def Main(argv):
parser = argparse.ArgumentParser()
parser.add_argument(
'--chromeos_root',
default='/path/to/chromeos',
dest='chromeos_root',
help='ChromeOS root checkout directory')
parser.add_argument('remotes', nargs=argparse.REMAINDER)
options = parser.parse_args(argv)
machine_list = options.remotes
if len(machine_list) < 2:
PrintUsage('ERROR: Must specify at least two machines.')
return 1
elif not os.path.exists(options.chromeos_root):
PrintUsage('Error: chromeos_root does not exist %s' % options.chromeos_root)
return 1
chroot = options.chromeos_root
cros_machines = []
test_machine_checksum = None
for m in machine_list:
cm = CrosMachine(m, chroot, 'average')
cros_machines = cros_machines + [cm]
test_machine_checksum = cm.machine_checksum
ret = 0
for cm in cros_machines:
print('checksum for %s : %s' % (cm.name, cm.machine_checksum))
if cm.machine_checksum != test_machine_checksum:
ret = 1
print('Machine checksums do not all match')
if ret == 0:
print('Machines all match.')
return ret
if __name__ == '__main__':
retval = Main(sys.argv[1:])
sys.exit(retval)
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