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Viewing changes to start-loggerhead.py

  • Committer: Michael Hudson
  • Date: 2008-06-19 19:27:46 UTC
  • mto: This revision was merged to the branch mainline in revision 164.
  • Revision ID: michael.hudson@canonical.com-20080619192746-26f2iji413z5th33
add explicit import of logging.handlers

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start-loggerhead.py
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#!/usr/bin/env python
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
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"""A script for starting the loggerhead process."""
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#!/usr/bin/env python2.4
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import logging
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import logging.handlers
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from optparse import OptionParser
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import os
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import sys
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import urlparse
25
 
 
26
 
from configobj import ConfigObj
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from optparse import OptionParser
 
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from loggerhead.apps.config import Root
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from paste import httpserver
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from paste.httpexceptions import make_middleware
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from paste.translogger import make_filter
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13
 
32
 
from loggerhead import daemon
33
 
from loggerhead.apps.config import Root
34
 
from loggerhead.trace import make_handler, setup_logging
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from loggerhead.apps.error import ErrorHandlerApp
 
14
from loggerhead import daemon, release
 
15
 
 
16
 
 
17
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
 
26
 
 
27
 
 
28
def setup_logging(home, config, foreground):
 
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    # i hate that stupid logging config format, so just set up logging here.
 
30
 
 
31
    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)
 
34
 
 
35
    f = logging.Formatter('%(levelname)-.3s [%(asctime)s.%(msecs)03d] %(name)s: %(message)s',
 
36
                          '%Y%m%d-%H:%M:%S')
 
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    debug_log = make_handler(config, os.path.join(log_folder, 'debug.log'))
 
38
    debug_log.setLevel(logging.DEBUG)
 
39
    debug_log.setFormatter(f)
 
40
    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)
 
48
    access_log.setFormatter(f)
 
49
 
 
50
    logging.getLogger('').addHandler(debug_log)
 
51
    logging.getLogger('turbogears.access').addHandler(access_log)
 
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    logging.getLogger('turbogears.controllers').setLevel(logging.INFO)
 
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54
    if foreground:
 
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        logging.getLogger('').addHandler(stdout_log)
 
56
 
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def main():
39
 
    home = os.path.realpath(os.path.dirname(__file__))
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    default_pidfile = os.path.join(home, 'loggerhead.pid')
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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 = 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',
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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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                      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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                      type=str, help="override log file directory")
 
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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.')
63
68
 
 
69
 
 
70
    home = os.path.realpath(os.path.dirname(__file__))
 
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    pidfile = os.path.join(home, 'loggerhead.pid')
 
72
 
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73
    if options.check:
65
 
        if daemon.is_running(options.pidfile):
 
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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;' % (
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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' % (pidfile,))
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71
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    # read loggerhead config
72
79
 
73
 
    config = ConfigObj(options.configfile, encoding='utf-8')
 
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    from configobj import ConfigObj
 
81
    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:
76
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        sys.path.insert(0, extra_path)
77
85
 
78
 
    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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    #turbogears.update_config(configfile="dev.cfg", modulename="loggerhead.config")
 
87
 
 
88
    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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        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 })
91
102
 
92
103
    if not options.foreground:
93
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        sys.stderr.write('\n')
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        sys.stderr.write('Launching loggerhead into the background.\n')
95
 
        sys.stderr.write('PID file: %s\n' % options.pidfile)
 
106
        sys.stderr.write('PID file: %s\n' % (pidfile,))
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107
        sys.stderr.write('\n')
97
108
 
98
 
        daemon.daemonize(options.pidfile, home)
 
109
        daemon.daemonize(pidfile, home)
99
110
 
100
 
    setup_logging(options.log_folder, config, foreground=options.foreground)
 
111
    setup_logging(home, config, foreground=options.foreground)
101
112
 
102
113
    log = logging.getLogger('loggerhead')
103
114
    log.info('Starting up...')
106
117
 
107
118
    app = app
108
119
    app = make_middleware(app)
109
 
    app = make_filter(app, None, logger_name=log.name+'.access')
110
 
    app = ErrorHandlerApp(app)
 
120
    app = make_filter(app, None)
111
121
 
112
122
    if webpath:
113
 
        scheme, netloc, path, blah, blah, blah = urlparse.urlparse(webpath)
114
 
 
115
 
        def app(environ, start_response, orig=app):
116
 
            environ['SCRIPT_NAME'] = path
117
 
            environ['HTTP_HOST'] = netloc
118
 
            return orig(environ, start_response)
 
123
        if not webpath.endswith('/'):
 
124
            webpath += '/'
 
125
        def app(environ, start_response, app=app):
 
126
            environ['SCRIPT_NAME'] = webpath
 
127
            return app(environ, start_response)
119
128
 
120
129
    try:
121
130
        httpserver.serve(
124
133
    finally:
125
134
        log.info('Shutdown.')
126
135
        try:
127
 
            os.remove(options.pidfile)
 
136
            os.remove(pidfile)
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137
        except OSError:
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            pass
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