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  • Committer: John Arbash Meinel
  • Date: 2011-03-16 12:37:17 UTC
  • mto: This revision was merged to the branch mainline in revision 438.
  • Revision ID: john@arbash-meinel.com-20110316123717-c36rtyk5ea30oboy
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start-loggerhead.py
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#!/usr/bin/env python2.4
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import pkg_resources
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pkg_resources.require("TurboGears")
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import logging
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import os
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import sys
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from optparse import OptionParser
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import turbogears
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import cherrypy
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cherrypy.lowercase_api = True
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from loggerhead import daemon, release
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def make_handler(config, filename):
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    roll = config.get('log.roll', 'never')
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    if roll == 'daily':
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        h = logging.handlers.TimedRotatingFileHandler(filename, 'midnight', 0, 100)
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    elif roll == 'weekly':
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        h = logging.handlers.TimedRotatingFileHandler(filename, 'W0', 0, 100)
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    else:
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        h = logging.FileHandler(filename)
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    return h
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def setup_logging(home, config, foreground):
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    # i hate that stupid logging config format, so just set up logging here.
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    log_folder = os.path.join(home, 'logs')
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    if not os.path.exists(log_folder):
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        os.mkdir(log_folder)
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    f = logging.Formatter('%(levelname)-.3s [%(asctime)s.%(msecs)03d] %(name)s: %(message)s',
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                          '%Y%m%d-%H:%M:%S')
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    debug_log = make_handler(config, os.path.join(log_folder, 'debug.log'))
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    debug_log.setLevel(logging.DEBUG)
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    debug_log.setFormatter(f)
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    if foreground:
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        stdout_log = logging.StreamHandler(sys.stdout)
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        stdout_log.setLevel(logging.DEBUG)
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        stdout_log.setFormatter(f)
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    f = logging.Formatter('[%(asctime)s.%(msecs)03d] %(message)s',
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                          '%Y%m%d-%H:%M:%S')
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    access_log = make_handler(config, os.path.join(log_folder, 'access.log'))
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    access_log.setLevel(logging.INFO)
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    access_log.setFormatter(f)
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    logging.getLogger('').addHandler(debug_log)
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    logging.getLogger('turbogears.access').addHandler(access_log)
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    logging.getLogger('turbogears.controllers').setLevel(logging.INFO)
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    if foreground:
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        logging.getLogger('').addHandler(stdout_log)
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def main():
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    parser = OptionParser(usage='usage: %prog [options]', version='%prog ' + release.version)
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    parser.add_option('-f', '--foreground', action='store_true', dest='foreground', default=False,
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                      help="run in the foreground; don't daemonize")
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    parser.add_option('-C', '--check', action='store_true', dest='check', default=False,
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                      help="only start if not already running (useful for cron jobs)")
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    options, args = parser.parse_args()
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    if len(args) > 0:
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        parser.error('No filename arguments are used, only options.')
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    home = os.path.realpath(os.path.dirname(__file__))
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    pidfile = os.path.join(home, 'loggerhead.pid')
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    if options.check:
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        if daemon.is_running(pidfile):
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            sys.exit(0)
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        sys.stderr.write('Did not find loggerhead running in %r; restarting...\n' % (pidfile,))
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    # read loggerhead config
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    from configobj import ConfigObj
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    config = ConfigObj(os.path.join(home, 'loggerhead.conf'), encoding='utf-8')
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    extra_path = config.get('bzrpath', None)
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    if extra_path:
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        sys.path.insert(0, extra_path)
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    turbogears.update_config(configfile="dev.cfg", modulename="loggerhead.config")
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    potential_overrides = [ ('server.socket_port', int), ('server.webpath', str), ('server.thread_pool', int), ('server.socket_host' ,str) ]
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    for key, keytype in potential_overrides:
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        value = config.get(key, None)
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        if value is not None:
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            value = keytype(value)
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            turbogears.config.update({ key: value })
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    if not options.foreground:
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        sys.stderr.write('\n')
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        sys.stderr.write('Launching loggerhead into the background.\n')
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        sys.stderr.write('PID file: %s\n' % (pidfile,))
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        sys.stderr.write('\n')
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        daemon.daemonize(pidfile, home)
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    setup_logging(home, config, foreground=options.foreground)
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    log = logging.getLogger('loggerhead')
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    log.info('Starting up...')
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    from loggerhead.controllers import Root
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    Root = Root(config)
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    # re-index every 6 hours
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    index_freq = config.get('cache_rebuild_frequency', 6 * 3600)
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    turbogears.scheduler.add_interval_task(initialdelay=1, interval=index_freq, action=Root._check_rebuild)
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    try:
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        turbogears.start_server(Root)
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    finally:
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        log.info('Shutdown.')
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        try:
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            os.remove(pidfile)
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        except OSError:
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            pass
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if __name__ == '__main__':
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    main()