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by Canonical.com Patch Queue Manager
[r=jamesh] Common PID file handing module |
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#!/usr/bin/env python
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# Copyright 2004-2005 Canonical Ltd. All rights reserved.
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__metaclass__ = type |
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import _pythonpath |
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import os, sys, logging |
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from signal import SIGTERM |
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from optparse import OptionParser |
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from canonical.pidfile import pidfile_path |
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from canonical.launchpad.scripts import logger_options, logger |
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if __name__ == '__main__': |
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parser = OptionParser('Usage: %prog [options] [SERVICE ...]') |
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logger_options(parser, logging.INFO) |
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(options, args) = parser.parse_args() |
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log = logger(options) |
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if len(args) < 1: |
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parser.error('No service name provided') |
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for service in args: |
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pidfile = pidfile_path(service) |
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log.debug("PID file is %s", pidfile) |
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if os.path.exists(pidfile): |
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pid = open(pidfile).read() |
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try: |
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pid = int(pid) |
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except ValueError: |
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log.error("Badly formatted PID in %s (%r)", pidfile, pid) |
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else: |
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log.info("Killing %s (%d)", service, pid) |
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try: |
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os.kill(pid, SIGTERM) |
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except OSError, x: |
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log.error("Unable to kill %s (%d) - %s", |
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service, pid, x.strerror) |
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try: |
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os.unlink(pidfile) |
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except OSError: |
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pass
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else: |
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log.debug("No PID file for %s", service) |
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