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#!/usr/bin/env python
# encoding: utf-8
# Created by Chris AtLee on 2008-11-04
"""count_and_reboot.py [-n maxcount] -f countfile
Increments the value in countfile, and reboots the machine once the count
reaches or exceeds maxcount."""
import os, sys, time
if sys.platform in ('darwin', 'linux2'):
def reboot():
# -S means to accept password from stdin, which we then redirect from
# /dev/null
# This results in sudo not waiting forever for a password. If sudoers
# isn't set up properly, this will fail immediately
os.system("sudo -S reboot < /dev/null")
# After starting the shutdown, we go to sleep since the system can
# take a few minutes to shut everything down and reboot
time.sleep(600)
elif sys.platform == "win32":
# Windows
def reboot():
os.system("shutdown -f -r -t 0")
# After starting the shutdown, we go to sleep since the system can
# take a few minutes to shut everything down and reboot
time.sleep(600)
def increment_count(fname):
try:
current_count = int(open(fname).read())
except:
current_count = 0
current_count += 1
open(fname, "w").write("%i\n" % current_count)
return current_count
if __name__ == '__main__':
from optparse import OptionParser
parser = OptionParser(__doc__)
parser.add_option("-n", "--max-count", dest="maxcount", default=10,
help="reboot after <maxcount> runs", type="int")
parser.add_option("-f", "--count-file", dest="countfile", default=None,
help="file to record count in")
parser.add_option("-z", "--zero-count", dest="zero", default=False,
action="store_true", help="zero out the counter before rebooting")
options, args = parser.parse_args()
if not options.countfile:
parser.error("countfile is required")
if increment_count(options.countfile) >= options.maxcount:
if options.zero:
open(options.countfile, "w").write("0\n")
print "************************************************************************************************"
print "*********** END OF RUN - NOW DOING SCHEDULED REBOOT; FOLLOWING ERROR MESSAGE EXPECTED **********"
print "************************************************************************************************"
sys.stdout.flush()
reboot()
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