| #!/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 |
| import sys |
| import 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() |
