← Back to branch summary

~loggerhead-team/loggerhead/trunk-rich

« back to all changes in this revision

Viewing changes to start-loggerhead.py

  • Committer: Michael Hudson
  • Date: 2007-10-29 16:19:30 UTC
  • mto: This revision was merged to the branch mainline in revision 141.
  • Revision ID: michael.hudson@canonical.com-20071029161930-oxqrd4rd8j1oz3hx
add do nothing check target

Show diffs side-by-side

added added

removed removed

Lines of Context:
start-loggerhead.py
1
1
#!/usr/bin/env python2.4
 
2
 
2
3
import pkg_resources
3
4
pkg_resources.require("TurboGears")
4
5
 
 
6
import logging
 
7
import os
 
8
import sys
 
9
from optparse import OptionParser
 
10
 
5
11
import turbogears
6
12
import cherrypy
7
13
cherrypy.lowercase_api = True
8
14
 
9
 
from os.path import *
10
 
import sys
11
 
 
12
 
# first look on the command line for a desired config file,
13
 
# if it's not on the command line, then
14
 
# look for setup.py in this directory. If it's not there, this script is
15
 
# probably installed
16
 
if len(sys.argv) > 1:
17
 
    turbogears.update_config(configfile=sys.argv[1], 
18
 
        modulename="loggerhead.config")
19
 
elif exists(join(dirname(__file__), "setup.py")):
20
 
    turbogears.update_config(configfile="dev.cfg",
21
 
        modulename="loggerhead.config")
22
 
else:
23
 
    turbogears.update_config(configfile="prod.cfg",
24
 
        modulename="loggerhead.config")
25
 
 
26
 
from loggerhead.controllers import Root
27
 
 
28
 
turbogears.start_server(Root())
 
15
from loggerhead import daemon, release
 
16
 
 
17
 
 
18
def make_handler(config, filename):
 
19
    roll = config.get('log.roll', 'never')
 
20
    if roll == 'daily':
 
21
        h = logging.handlers.TimedRotatingFileHandler(filename, 'midnight', 0, 100)
 
22
    elif roll == 'weekly':
 
23
        h = logging.handlers.TimedRotatingFileHandler(filename, 'W0', 0, 100)
 
24
    else:
 
25
        h = logging.FileHandler(filename)
 
26
    return h
 
27
 
 
28
        
 
29
def setup_logging(home, config, foreground):
 
30
    # i hate that stupid logging config format, so just set up logging here.
 
31
 
 
32
    log_folder = os.path.join(home, 'logs')
 
33
    if not os.path.exists(log_folder):
 
34
        os.mkdir(log_folder)
 
35
    
 
36
    f = logging.Formatter('%(levelname)-.3s [%(asctime)s.%(msecs)03d] %(name)s: %(message)s',
 
37
                          '%Y%m%d-%H:%M:%S')
 
38
    debug_log = make_handler(config, os.path.join(log_folder, 'debug.log'))
 
39
    debug_log.setLevel(logging.DEBUG)
 
40
    debug_log.setFormatter(f)
 
41
    if foreground:
 
42
        stdout_log = logging.StreamHandler(sys.stdout)
 
43
        stdout_log.setLevel(logging.DEBUG)
 
44
        stdout_log.setFormatter(f)
 
45
    f = logging.Formatter('[%(asctime)s.%(msecs)03d] %(message)s',
 
46
                          '%Y%m%d-%H:%M:%S')
 
47
    access_log = make_handler(config, os.path.join(log_folder, 'access.log'))
 
48
    access_log.setLevel(logging.INFO)
 
49
    access_log.setFormatter(f)
 
50
    
 
51
    logging.getLogger('').addHandler(debug_log)
 
52
    logging.getLogger('turbogears.access').addHandler(access_log)
 
53
    logging.getLogger('turbogears.controllers').setLevel(logging.INFO)
 
54
    
 
55
    if foreground:
 
56
        logging.getLogger('').addHandler(stdout_log)
 
57
    
 
58
 
 
59
 
 
60
def main():
 
61
    parser = OptionParser(usage='usage: %prog [options]', version='%prog ' + release.version)
 
62
    parser.add_option('-f', '--foreground', action='store_true', dest='foreground', default=False,
 
63
                      help="run in the foreground; don't daemonize")
 
64
    parser.add_option('-C', '--check', action='store_true', dest='check', default=False,
 
65
                      help="only start if not already running (useful for cron jobs)")
 
66
    options, args = parser.parse_args()
 
67
    if len(args) > 0:
 
68
        parser.error('No filename arguments are used, only options.')
 
69
        
 
70
        
 
71
    home = os.path.realpath(os.path.dirname(__file__))
 
72
    pidfile = os.path.join(home, 'loggerhead.pid')
 
73
    
 
74
    if options.check:
 
75
        if daemon.is_running(pidfile):
 
76
            sys.exit(0)
 
77
        sys.stderr.write('Did not find loggerhead running in %r; restarting...\n' % (pidfile,))
 
78
    
 
79
    # read loggerhead config
 
80
    
 
81
    from configobj import ConfigObj
 
82
    config = ConfigObj(os.path.join(home, 'loggerhead.conf'), encoding='utf-8')
 
83
    extra_path = config.get('bzrpath', None)
 
84
    if extra_path:
 
85
        sys.path.insert(0, extra_path)
 
86
    
 
87
    turbogears.update_config(configfile="dev.cfg", modulename="loggerhead.config")
 
88
    
 
89
    potential_overrides = [ ('server.socket_port', int), ('server.webpath', str), ('server.thread_pool', int) ]
 
90
    for key, keytype in potential_overrides:
 
91
        value = config.get(key, None)
 
92
        if value is not None:
 
93
            value = keytype(value)
 
94
            turbogears.config.update({ key: value })
 
95
    
 
96
    if not options.foreground:
 
97
        sys.stderr.write('\n')
 
98
        sys.stderr.write('Launching loggerhead into the background.\n')
 
99
        sys.stderr.write('PID file: %s\n' % (pidfile,))
 
100
        sys.stderr.write('\n')
 
101
    
 
102
        daemon.daemonize(pidfile, home)
 
103
 
 
104
    setup_logging(home, config, foreground=options.foreground)
 
105
        
 
106
    log = logging.getLogger('loggerhead')
 
107
    log.info('Starting up...')
 
108
    
 
109
    from loggerhead.controllers import Root
 
110
    
 
111
    Root = Root(config)
 
112
    
 
113
    # re-index every 6 hours
 
114
    
 
115
    index_freq = config.get('cache_rebuild_frequency', 6 * 3600)
 
116
    turbogears.scheduler.add_interval_task(initialdelay=1, interval=index_freq, action=Root._check_rebuild)
 
117
    
 
118
    try:
 
119
        turbogears.start_server(Root)
 
120
    finally:
 
121
        log.info('Shutdown.')
 
122
        try:
 
123
            os.remove(pidfile)
 
124
        except OSError:
 
125
            pass
 
126
 
 
127
 
 
128
if __name__ == '__main__':
 
129
    main()