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