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[rs=mwhudson] Merge from trunk, 1.6 release.

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start-loggerhead
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from loggerhead import daemon
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from loggerhead.apps.config import Root
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from loggerhead.trace import make_handler, setup_logging
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from loggerhead.apps.error import ErrorHandlerApp
 
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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', 1, 100)
 
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    elif roll == 'weekly':
 
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        h = logging.handlers.TimedRotatingFileHandler(filename, 'W0', 1, 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(log_folder, config, foreground):
 
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    # i hate that stupid logging config format, so just set up logging here.
 
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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('').setLevel(logging.DEBUG)
 
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    logging.getLogger('').addHandler(debug_log)
 
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    logging.getLogger('wsgi').addHandler(access_log)
 
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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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    default_configfile = os.path.join(home, 'loggerhead.conf')
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    default_log_folder = os.path.join(home, 'logs')
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    parser = OptionParser(usage='usage: %prog [options]', version='%prog')
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    parser.add_option('-f', '--foreground',
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                      action='store_true', dest='foreground', default=False,
 
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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',
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                      dest='check', default=False,
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                      help=("only start if not already running (useful for "
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                            "cron jobs)"))
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    parser.add_option('-p', '--pidfile', dest="pidfile",
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                      default=default_pidfile,
 
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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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    parser.add_option('-p', '--pidfile', dest="pidfile", default=default_pidfile,
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                      type=str, help="override pidfile location")
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    parser.add_option('-c', '--config-file', dest="configfile",
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                      default=default_configfile,
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                      type=str, help="override configuration file location")
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    parser.add_option('-L', '--log-folder', dest="log_folder",
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                      default=default_log_folder,
 
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    parser.add_option('-c', '--config-file', dest="configfile", default=default_configfile,
 
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                                          type=str, help="override configuration file location")
 
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    parser.add_option('-L', '--log-folder', dest="log_folder", default=default_log_folder,
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                      type=str, help="override log file directory")
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    options, args = parser.parse_args()
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    if len(args) > 0:
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    if options.check:
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        if daemon.is_running(options.pidfile):
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            sys.exit(0)
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        sys.stderr.write('Did not find loggerhead running in %r;' % (
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                         options.pidfile))
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        sys.stderr.write(' restarting...\n')
 
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        sys.stderr.write('Did not find loggerhead running in %r; restarting...\n' % (options.pidfile,))
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    # read loggerhead config
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    if extra_path:
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        sys.path.insert(0, extra_path)
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    potential_overrides = [('server.socket_port', int),
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                           ('server.webpath', str),
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                           ('server.thread_pool', int),
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                           ('server.socket_host', str)]
 
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    potential_overrides = [ ('server.socket_port', int),
 
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                            ('server.webpath', str),
 
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                            ('server.thread_pool', int),
 
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                            ('server.socket_host' ,str) ]
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    server_port = int(config.get('server.socket_port', 8080))
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    nworkers = int(config.get('server.thread_pool', 10))
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    server_host = config.get('server.socket_host', '0.0.0.0')
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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' % options.pidfile)
 
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        sys.stderr.write('PID file: %s\n' % (options.pidfile,))
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        sys.stderr.write('\n')
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        daemon.daemonize(options.pidfile, home)
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    app = app
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    app = make_middleware(app)
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    app = make_filter(app, None, logger_name=log.name+'.access')
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    app = ErrorHandlerApp(app)
 
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    app = make_filter(app, None)
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    if webpath:
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        scheme, netloc, path, blah, blah, blah = urlparse.urlparse(webpath)
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        def app(environ, start_response, orig=app):
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            environ['SCRIPT_NAME'] = path
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            environ['HTTP_HOST'] = netloc