~malept/loggerhead/standalone-auth

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#!/usr/bin/env python
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

"""
WARNING! This script has been deprecated and will go away soon!
A script for starting the loggerhead process.
"""


import logging
from optparse import OptionParser
import os
import sys
import urlparse

from bzrlib.plugin import load_plugins
from bzrlib.util.configobj.configobj import ConfigObj

from paste import httpserver
from paste.httpexceptions import make_middleware
from paste.translogger import make_filter

from loggerhead import daemon
from loggerhead.apps.config import Root
from loggerhead.trace import setup_logging
from loggerhead.apps.error import ErrorHandlerApp


def main():
    sys.stderr.write('\n\n')
    sys.stderr.write('WARNING!!! This script has been deprecated by '
                     'serve-branches, and will be removed in the next '
                     'release. Please migrate to serve-branches and report '
                     'any missing features.\n')
    sys.stderr.write('\n\n')

    home = os.path.realpath(os.path.dirname(__file__))
    default_pidfile = os.path.join(home, 'loggerhead.pid')
    default_configfile = os.path.join(home, 'loggerhead.conf')
    default_log_folder = os.path.join(home, 'logs')
    parser = OptionParser(usage='usage: %prog [options]', version='%prog')
    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)"))
    parser.add_option('-p', '--pidfile', dest="pidfile",
                      default=default_pidfile,
                      type=str, help="override pidfile location")
    parser.add_option('-c', '--config-file', dest="configfile",
                      default=default_configfile,
                      type=str, help="override configuration file location")
    parser.add_option('-L', '--log-folder', dest="log_folder",
                      default=default_log_folder,
                      type=str, help="override log file directory")
    options, args = parser.parse_args()
    if len(args) > 0:
        parser.error('No filename arguments are used, only options.')

    if options.check:
        if daemon.is_running(options.pidfile):
            sys.exit(0)
        sys.stderr.write('Did not find loggerhead running in %r;' % (
                         options.pidfile))
        sys.stderr.write(' restarting...\n')

    # read loggerhead config

    config = ConfigObj(options.configfile, encoding='utf-8')
    extra_path = config.get('bzrpath', None)
    if extra_path:
        sys.path.insert(0, extra_path)

    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)

    if not options.foreground:
        sys.stderr.write('\n')
        sys.stderr.write('Launching loggerhead into the background.\n')
        sys.stderr.write('PID file: %s\n' % (options.pidfile,))
        sys.stderr.write('\n')

        daemon.daemonize(options.pidfile, home)

    setup_logging(options.log_folder, 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, logger_name=log.name+'.access')
    app = ErrorHandlerApp(app)

    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
            environ['wsgi.url_scheme'] = scheme
            return orig(environ, start_response)

    load_plugins()

    try:
        httpserver.serve(
            app, host=server_host, port=server_port,
            threadpool_workers=nworkers)
    finally:
        log.info('Shutdown.')
        try:
            os.remove(options.pidfile)
        except OSError:
            pass


if __name__ == '__main__':
    main()