← Back to branch summary

~loggerhead-team/loggerhead/trunk-rich

« back to all changes in this revision

Viewing changes to start-loggerhead.py

[rs=mwhudson][release-critical=Rinchen] update to loggerhead trunk,
        mainly to get the code to not hold branches open the whole time but
        also getting some other improvements

Show diffs side-by-side

added added

removed removed

Lines of Context:
start-loggerhead.py
 
1
#!/usr/bin/env python
 
2
 
 
3
import logging
 
4
import logging.handlers
 
5
from optparse import OptionParser
 
6
import os
 
7
import sys
 
8
import urlparse
 
9
 
 
10
from configobj import ConfigObj
 
11
 
 
12
from paste import httpserver
 
13
from paste.httpexceptions import make_middleware
 
14
from paste.translogger import make_filter
 
15
 
 
16
from loggerhead import daemon, release
 
17
from loggerhead.apps.config import Root
 
18
 
 
19
 
 
20
def make_handler(config, filename):
 
21
    roll = config.get('log.roll', 'never')
 
22
    if roll == 'daily':
 
23
        h = logging.handlers.TimedRotatingFileHandler(filename, 'midnight', 0, 100)
 
24
    elif roll == 'weekly':
 
25
        h = logging.handlers.TimedRotatingFileHandler(filename, 'W0', 0, 100)
 
26
    else:
 
27
        h = logging.FileHandler(filename)
 
28
    return h
 
29
 
 
30
 
 
31
def setup_logging(home, config, foreground):
 
32
    # i hate that stupid logging config format, so just set up logging here.
 
33
 
 
34
    log_folder = os.path.join(home, 'logs')
 
35
    if not os.path.exists(log_folder):
 
36
        os.mkdir(log_folder)
 
37
 
 
38
    f = logging.Formatter('%(levelname)-.3s [%(asctime)s.%(msecs)03d] %(name)s: %(message)s',
 
39
                          '%Y%m%d-%H:%M:%S')
 
40
    debug_log = make_handler(config, os.path.join(log_folder, 'debug.log'))
 
41
    debug_log.setLevel(logging.DEBUG)
 
42
    debug_log.setFormatter(f)
 
43
    if foreground:
 
44
        stdout_log = logging.StreamHandler(sys.stdout)
 
45
        stdout_log.setLevel(logging.DEBUG)
 
46
        stdout_log.setFormatter(f)
 
47
    f = logging.Formatter('[%(asctime)s.%(msecs)03d] %(message)s',
 
48
                          '%Y%m%d-%H:%M:%S')
 
49
    access_log = make_handler(config, os.path.join(log_folder, 'access.log'))
 
50
    access_log.setLevel(logging.INFO)
 
51
    access_log.setFormatter(f)
 
52
 
 
53
    logging.getLogger('').setLevel(logging.DEBUG)
 
54
    logging.getLogger('').addHandler(debug_log)
 
55
    logging.getLogger('wsgi').addHandler(access_log)
 
56
 
 
57
    if foreground:
 
58
        logging.getLogger('').addHandler(stdout_log)
 
59
 
 
60
 
 
61
 
 
62
def main():
 
63
    parser = OptionParser(usage='usage: %prog [options]', version='%prog ' + release.version)
 
64
    parser.add_option('-f', '--foreground', action='store_true', dest='foreground', default=False,
 
65
                      help="run in the foreground; don't daemonize")
 
66
    parser.add_option('-C', '--check', action='store_true', dest='check', default=False,
 
67
                      help="only start if not already running (useful for cron jobs)")
 
68
    options, args = parser.parse_args()
 
69
    if len(args) > 0:
 
70
        parser.error('No filename arguments are used, only options.')
 
71
 
 
72
 
 
73
    home = os.path.realpath(os.path.dirname(__file__))
 
74
    pidfile = os.path.join(home, 'loggerhead.pid')
 
75
 
 
76
    if options.check:
 
77
        if daemon.is_running(pidfile):
 
78
            sys.exit(0)
 
79
        sys.stderr.write('Did not find loggerhead running in %r; restarting...\n' % (pidfile,))
 
80
 
 
81
    # read loggerhead config
 
82
 
 
83
    config = ConfigObj(os.path.join(home, 'loggerhead.conf'), encoding='utf-8')
 
84
    extra_path = config.get('bzrpath', None)
 
85
    if extra_path:
 
86
        sys.path.insert(0, extra_path)
 
87
 
 
88
    #turbogears.update_config(configfile="dev.cfg", modulename="loggerhead.config")
 
89
 
 
90
    potential_overrides = [ ('server.socket_port', int),
 
91
                            ('server.webpath', str),
 
92
                            ('server.thread_pool', int),
 
93
                            ('server.socket_host' ,str) ]
 
94
    server_port = int(config.get('server.socket_port', 8080))
 
95
    nworkers = int(config.get('server.thread_pool', 10))
 
96
    server_host = config.get('server.socket_host', '0.0.0.0')
 
97
    webpath = config.get('server.webpath', None)
 
98
 
 
99
    for key, keytype in potential_overrides:
 
100
        value = config.get(key, None)
 
101
        if value is not None:
 
102
            value = keytype(value)
 
103
            #turbogears.config.update({ key: value })
 
104
 
 
105
    if not options.foreground:
 
106
        sys.stderr.write('\n')
 
107
        sys.stderr.write('Launching loggerhead into the background.\n')
 
108
        sys.stderr.write('PID file: %s\n' % (pidfile,))
 
109
        sys.stderr.write('\n')
 
110
 
 
111
        daemon.daemonize(pidfile, home)
 
112
 
 
113
    setup_logging(home, config, foreground=options.foreground)
 
114
 
 
115
    log = logging.getLogger('loggerhead')
 
116
    log.info('Starting up...')
 
117
 
 
118
    app = Root(config)
 
119
 
 
120
    app = app
 
121
    app = make_middleware(app)
 
122
    app = make_filter(app, None)
 
123
 
 
124
    if webpath:
 
125
        scheme, netloc, path, blah, blah, blah = urlparse.urlparse(webpath)
 
126
        def app(environ, start_response, orig=app):
 
127
            environ['SCRIPT_NAME'] = path
 
128
            environ['HTTP_HOST'] = netloc
 
129
            return orig(environ, start_response)
 
130
 
 
131
    try:
 
132
        httpserver.serve(
 
133
            app, host=server_host, port=server_port,
 
134
            threadpool_workers=nworkers)
 
135
    finally:
 
136
        log.info('Shutdown.')
 
137
        try:
 
138
            os.remove(pidfile)
 
139
        except OSError:
 
140
            pass
 
141
 
 
142
 
 
143
if __name__ == '__main__':
 
144
    main()