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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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