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  • Committer: Guillermo Gonzalez
  • Date: 2008-09-10 23:12:59 UTC
  • mfrom: (221 trunk)
  • mto: (217.1.9 logging)
  • mto: This revision was merged to the branch mainline in revision 226.
  • Revision ID: guillo.gonzo@gmail.com-20080910231259-4wnfmu30f4n90w6x
 * merge with trunk (resolve conflicts in NEWS and serve-branches)

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serve-branches
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#!/usr/bin/env python
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#
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# Copyright (C) 2008, 2009 Canonical Ltd
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#
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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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import os
23
20
import sys
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21
 
25
 
from bzrlib.plugin import load_plugins
26
 
from bzrlib.transport import get_transport
 
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from optparse import OptionParser
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23
 
28
24
from paste import httpserver
29
 
from paste.httpexceptions import HTTPExceptionHandler, HTTPInternalServerError
 
25
from paste.httpexceptions import HTTPExceptionHandler
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26
from paste.translogger import TransLogger
31
27
 
32
28
from loggerhead import __version__
33
 
from loggerhead.apps.transport import (
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    BranchesFromTransportRoot, UserBranchesFromTransportRoot)
35
 
from loggerhead.config import LoggerheadConfig
 
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from loggerhead.apps.filesystem import (
 
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    BranchesFromFileSystemRoot, UserBranchesFromFileSystemRoot)
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from loggerhead.util import Reloader
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from loggerhead.apps.error import ErrorHandlerApp
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33
 
39
34
 
40
 
def get_config_and_path(args):
41
 
    config = LoggerheadConfig()
42
 
 
43
 
    if config.get_option('show_version'):
 
35
def command_line_parser():
 
36
    parser = OptionParser("%prog [options] <path>")
 
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    parser.set_defaults(
 
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        user_dirs=False,
 
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        show_version=False,
 
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        log_folder=None,
 
41
        )
 
42
    parser.add_option("--user-dirs", action="store_true", dest="user_dirs",
 
43
                      help="Serve user directories as ~user.")
 
44
    parser.add_option("--trunk-dir", metavar="DIR",
 
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                      help="The directory that contains the trunk branches.")
 
46
    parser.add_option("--port", dest="user_port",
 
47
                      help="Port Loggerhead should listen on (defaults to 8080).")
 
48
    parser.add_option("--host", dest="user_host",
 
49
                      help="Host Loggerhead should listen on.")
 
50
    parser.add_option("--prefix", dest="user_prefix",
 
51
                      help="Specify host prefix.")
 
52
    parser.add_option("--reload", action="store_true", dest="reload",
 
53
                      help="Restarts the application when changing python"
 
54
                           " files. Only used for development purposes.")
 
55
    parser.add_option('--log-folder', dest="log_folder", 
 
56
                      type=str, help="The directory to place log files")
 
57
    parser.add_option("--version", action="store_true", dest="show_version",
 
58
                      help="Print the software version and exit")
 
59
    return parser
 
60
 
 
61
 
 
62
def main(args):
 
63
    parser = command_line_parser()
 
64
    (options, args) = parser.parse_args(sys.argv[1:])
 
65
 
 
66
    if options.show_version:
44
67
        print "loggerhead %s" % __version__
45
68
        sys.exit(0)
46
69
 
47
 
    if config.arg_count > 1:
48
 
        config.print_help()
49
 
        sys.exit(1)
50
 
    elif config.arg_count == 1:
51
 
        base = config.get_arg(0)
52
 
    else:
53
 
        base = '.'
54
 
 
55
 
    if not config.get_option('allow_writes'):
56
 
        base = 'readonly+' + base
57
 
 
58
 
    return config, base
59
 
 
60
 
 
61
 
def setup_logging(config):
 
70
    if len(args) > 1:
 
71
        parser.print_help()
 
72
        sys.exit(1)
 
73
    elif len(args) == 1:
 
74
        [path] = args
 
75
    else:
 
76
        path = '.'
 
77
 
 
78
    if not os.path.isdir(path):
 
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        print "%s is not a directory" % path
 
80
        sys.exit(1)
 
81
 
 
82
    if options.trunk_dir and not options.user_dirs:
 
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        print "--trunk-dir is only valid with --user-dirs"
 
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        sys.exit(1)
 
85
        
 
86
    if options.reload:
 
87
        if Reloader.is_installed():
 
88
            Reloader.install()
 
89
        else:
 
90
            return Reloader.restart_with_reloader()
 
91
 
 
92
    if options.user_dirs:
 
93
        if not options.trunk_dir:
 
94
            print "You didn't specify a directory for the trunk directories."
 
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            sys.exit(1)
 
96
        app = UserBranchesFromFileSystemRoot(path, options.trunk_dir)
 
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    else:
 
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        app = BranchesFromFileSystemRoot(path)
 
99
    
 
100
    # setup_logging()
62
101
    logging.basicConfig()
63
102
    logging.getLogger('').setLevel(logging.DEBUG)
64
 
    logger = logging.getLogger('loggerhead')
65
 
    if config.get_option('log_folder'):
66
 
        logfile_path = os.path.join(
67
 
            config.get_option('log_folder'), 'serve-branches.log')
 
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    logger = getattr(app, 'log', logging.getLogger('loggerhead'))
 
104
    if options.log_folder:
 
105
        logfile_path = os.path.join(options.log_folder, 'serve-branches.log')
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    else:
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        logfile_path = 'serve-branches.log'
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    logfile = logging.FileHandler(logfile_path, 'a')
73
111
    logfile.setFormatter(formatter)
74
112
    logfile.setLevel(logging.DEBUG)
75
113
    logger.addHandler(logfile)
76
 
    return logger
77
 
 
78
 
 
79
 
def make_app_for_config_and_path(config, base):
80
 
    if config.get_option('trunk_dir') and not config.get_option('user_dirs'):
81
 
        print "--trunk-dir is only valid with --user-dirs"
82
 
        sys.exit(1)
83
 
 
84
 
    if config.get_option('reload'):
85
 
        if Reloader.is_installed():
86
 
            Reloader.install()
87
 
        else:
88
 
            return Reloader.restart_with_reloader()
89
 
 
90
 
    if config.get_option('user_dirs'):
91
 
        if not config.get_option('trunk_dir'):
92
 
            print "You didn't specify a directory for the trunk directories."
93
 
            sys.exit(1)
94
 
        app = UserBranchesFromTransportRoot(base, config)
95
 
    else:
96
 
        app = BranchesFromTransportRoot(base, config)
97
 
 
98
 
    setup_logging(config)
99
 
 
100
 
    if config.get_option('profile'):
101
 
        from loggerhead.middleware.profile import LSProfMiddleware
102
 
        app = LSProfMiddleware(app)
103
 
    if config.get_option('memory_profile'):
104
 
        from dozer import Dozer
105
 
        app = Dozer(app)
106
 
 
107
 
    if not config.get_option('user_prefix'):
 
114
    # setup_logging() #end
 
115
    app = ErrorHandlerApp(app)
 
116
    app = HTTPExceptionHandler(app)
 
117
    app = TransLogger(app, logger=logger)
 
118
 
 
119
    if not options.user_prefix:
108
120
        prefix = '/'
109
121
    else:
110
 
        prefix = config.get_option('user_prefix')
111
 
        if not prefix.startswith('/'):
112
 
            prefix = '/' + prefix
 
122
        prefix = options.user_prefix
113
123
 
114
124
    try:
115
125
        from paste.deploy.config import PrefixMiddleware
116
126
    except ImportError:
117
 
        cant_proxy_correctly_message = (
118
 
            'Unsupported configuration: PasteDeploy not available, but '
119
 
            'loggerhead appears to be behind a proxy.')
120
 
        def check_not_proxied(app):
121
 
            def wrapped(environ, start_response):
122
 
                if 'HTTP_X_FORWARDED_SERVER' in environ:
123
 
                    exc = HTTPInternalServerError()
124
 
                    exc.explanation = cant_proxy_correctly_message
125
 
                    raise exc
126
 
                return app(environ, start_response)
127
 
            return wrapped
128
 
        app = check_not_proxied(app)
 
127
        pass
129
128
    else:
130
129
        app = PrefixMiddleware(app, prefix=prefix)
131
 
 
132
 
    app = HTTPExceptionHandler(app)
133
 
    app = ErrorHandlerApp(app)
134
 
    app = TransLogger(app, logger=logging.getLogger('loggerhead'))
135
 
 
136
 
    return app
137
 
 
138
 
 
139
 
def main(args):
140
 
    load_plugins()
141
 
 
142
 
    config, path = get_config_and_path(args)
143
 
 
144
 
    app = make_app_for_config_and_path(config, path)
145
 
 
146
 
    if not config.get_option('user_port'):
 
130
    
 
131
    if not options.user_port:
147
132
        port = '8080'
148
133
    else:
149
 
        port = config.get_option('user_port')
 
134
        port = options.user_port
150
135
 
151
 
    if not config.get_option('user_host'):
 
136
    if not options.user_host:
152
137
        host = '0.0.0.0'
153
138
    else:
154
 
        host = config.get_option('user_host')
 
139
        host = options.user_host
155
140
 
156
141
    httpserver.serve(app, host=host, port=port)
 
142
 
 
143
 
 
144
if __name__ == "__main__":
 
145
    main(sys.argv)