~loggerhead-team/loggerhead/trunk-rich

#!/usr/bin/env python

import logging

import logging.handlers

from optparse import OptionParser

import os

import sys

import urlparse

from configobj import ConfigObj

from paste import httpserver

from paste.httpexceptions import make_middleware

from paste.translogger import make_filter

from loggerhead import daemon, release

from loggerhead.apps.config import Root

def make_handler(config, filename):

    roll = config.get('log.roll', 'never')

    if roll == 'daily':

        h = logging.handlers.TimedRotatingFileHandler(filename, 'midnight', 0, 100)

    elif roll == 'weekly':

        h = logging.handlers.TimedRotatingFileHandler(filename, 'W0', 0, 100)

    else:

        h = logging.FileHandler(filename)

    return h

def setup_logging(home, config, foreground):

    # i hate that stupid logging config format, so just set up logging here.

    log_folder = os.path.join(home, 'logs')

    if not os.path.exists(log_folder):

        os.mkdir(log_folder)

    f = logging.Formatter('%(levelname)-.3s [%(asctime)s.%(msecs)03d] %(name)s: %(message)s',

                          '%Y%m%d-%H:%M:%S')

    debug_log = make_handler(config, os.path.join(log_folder, 'debug.log'))

    debug_log.setLevel(logging.DEBUG)

    debug_log.setFormatter(f)

    if foreground:

        stdout_log = logging.StreamHandler(sys.stdout)

        stdout_log.setLevel(logging.DEBUG)

        stdout_log.setFormatter(f)

    f = logging.Formatter('[%(asctime)s.%(msecs)03d] %(message)s',

                          '%Y%m%d-%H:%M:%S')

    access_log = make_handler(config, os.path.join(log_folder, 'access.log'))

    access_log.setLevel(logging.INFO)

    access_log.setFormatter(f)

    logging.getLogger('').setLevel(logging.DEBUG)

    logging.getLogger('').addHandler(debug_log)

    logging.getLogger('wsgi').addHandler(access_log)

    if foreground:

        logging.getLogger('').addHandler(stdout_log)

def main():

    parser = OptionParser(usage='usage: %prog [options]', version='%prog ' + release.version)

    parser.add_option('-f', '--foreground', action='store_true', dest='foreground', default=False,

                      help="run in the foreground; don't daemonize")

    parser.add_option('-C', '--check', action='store_true', dest='check', default=False,

                      help="only start if not already running (useful for cron jobs)")

    options, args = parser.parse_args()

    if len(args) > 0:

        parser.error('No filename arguments are used, only options.')

    home = os.path.realpath(os.path.dirname(__file__))

    pidfile = os.path.join(home, 'loggerhead.pid')

    if options.check:

        if daemon.is_running(pidfile):

            sys.exit(0)

        sys.stderr.write('Did not find loggerhead running in %r; restarting...\n' % (pidfile,))

    # read loggerhead config

    config = ConfigObj(os.path.join(home, 'loggerhead.conf'), encoding='utf-8')

    extra_path = config.get('bzrpath', None)

    if extra_path:

        sys.path.insert(0, extra_path)

    #turbogears.update_config(configfile="dev.cfg", modulename="loggerhead.config")

    potential_overrides = [ ('server.socket_port', int),

                            ('server.webpath', str),

                            ('server.thread_pool', int),

                            ('server.socket_host' ,str) ]

    server_port = int(config.get('server.socket_port', 8080))

    nworkers = int(config.get('server.thread_pool', 10))

    server_host = config.get('server.socket_host', '0.0.0.0')

    webpath = config.get('server.webpath', None)

    for key, keytype in potential_overrides:

        value = config.get(key, None)

        if value is not None:

            value = keytype(value)

            #turbogears.config.update({ key: value })

    if not options.foreground:

        sys.stderr.write('\n')

        sys.stderr.write('Launching loggerhead into the background.\n')

        sys.stderr.write('PID file: %s\n' % (pidfile,))

        sys.stderr.write('\n')

        daemon.daemonize(pidfile, home)

    setup_logging(home, config, foreground=options.foreground)

    log = logging.getLogger('loggerhead')

    log.info('Starting up...')

    app = Root(config)

    app = app

    app = make_middleware(app)

    app = make_filter(app, None)

    if webpath:

        scheme, netloc, path, blah, blah, blah = urlparse.urlparse(webpath)

        def app(environ, start_response, orig=app):

            environ['SCRIPT_NAME'] = path

            environ['HTTP_HOST'] = netloc

            return orig(environ, start_response)

    try:

        httpserver.serve(

            app, host=server_host, port=server_port,

            threadpool_workers=nworkers)

    finally:

        log.info('Shutdown.')

        try:

            os.remove(pidfile)

        except OSError:

            pass

if __name__ == '__main__':

    main()