diff options
-rwxr-xr-x | bin/sos | 24 | ||||
-rw-r--r-- | sos/__init__.py | 106 |
2 files changed, 116 insertions, 14 deletions
diff --git a/bin/sos b/bin/sos new file mode 100755 index 00000000..9b9592da --- /dev/null +++ b/bin/sos @@ -0,0 +1,24 @@ +#!/usr/bin/python +# This file is part of the sos project: https://github.com/sosreport/sos +# +# This copyrighted material is made available to anyone wishing to use, +# modify, copy, or redistribute it subject to the terms and conditions of +# version 2 of the GNU General Public License. +# +# See the LICENSE file in the source distribution for further information. + +import sys +import os + +try: + sys.path.insert(0, os.getcwd()) + from sos import SoS +except KeyboardInterrupt: + raise SystemExit() + + +if __name__ == '__main__': + sos = SoS(sys.argv[1:]) + sos.execute() + +# vim:ts=4 et sw=4 diff --git a/sos/__init__.py b/sos/__init__.py index 111e066e..9da2c107 100644 --- a/sos/__init__.py +++ b/sos/__init__.py @@ -14,8 +14,8 @@ This module houses the i18n setup and message function. The default is to use gettext to internationalize messages. """ +__version__ = "3.9" -import gettext import six from argparse import ArgumentParser @@ -25,19 +25,7 @@ if six.PY3: else: from ConfigParser import ConfigParser, ParsingError, Error -__version__ = "3.9" - -gettext_dir = "/usr/share/locale" -gettext_app = "sos" - -gettext.bindtextdomain(gettext_app, gettext_dir) - - -def _default(msg): - return gettext.dgettext(gettext_app, msg) - - -_sos = _default +from sos.report import SoSReport # Global option definitions # These must be in the module itself in order to be available to both @@ -360,4 +348,94 @@ class SoSOptions(object): opt_items = sorted(self.dict().items(), key=lambda x: x[0]) return [argify(n, v) for (n, v) in opt_items if filter_opt(n, v)] + +class SoSComponent(): + """Any sub-command that sos supports needs to subclass SoSComponent in + order to be properly supported by the sos binary. + + This class contains the standardized entrypoint for subcommands, as well as + building out supported options from both globally shared option lists, and + options supported by that specific subcommand. + + When sos initializes, it will load an unintialized instance of each class + found within one recursion of the module root directory that subclasses + SoSComponent. + + If sos is able to match the user-specified subcommand to one that exists + locally, then that SoSComponent is initialized, logging is setup, and a + policy is loaded. From there, the component's execute() method takes over. + + Added in 4.0 + """ + + def __init__(self, parser, parsed_args, cmdline_args): + self.parser = parser + self.args = parsed_args + self.cmdline = cmdline_args + +class SoS(): + """Main entrypoint for sos from the command line + + Upon intialization, this class loads the basic option parser which will + include the options shared by support components/subcommands. This is also + where all subcommands present in the local installation are discovered, + loaded, and if a matching one is found, intialized. + """ + + def __init__(self, args): + self.cmdline = args + usage_string = "%(prog)s component [options]\n\n" + # define the local subcommands that exist on the system + self._components = {'report': SoSReport} + # build the top-level parser + self.parser = ArgumentParser(usage=usage_string) + self.parser.register('action', 'extend', SoSListOption) + # set the component subparsers + self.subparsers = self.parser.add_subparsers( + dest='component', + help='sos component to run' + ) + self.subparsers.required = True + # now build the parser for each component. + # this needs to be done here, as otherwise --help will be unavailable + # for the component subparsers + for comp in self._components: + _com_subparser = self.subparsers.add_parser(comp) + _com_subparser.register('action', 'extend', SoSListOption) + self._add_common_options(_com_subparser) + self._components[comp].add_parser_options(_com_subparser) + self.args = self.parser.parse_args() + self._init_component() + + def _add_common_options(self, parser): + """Adds the options shared across components to the parser + """ + parser.add_argument("-q", "--quiet", action="store_true", + dest="quiet", default=False, + help="only print fatal errors") + parser.add_argument("-s", "--sysroot", action="store", dest="sysroot", + help="system root directory path (default='/')", + default=None) + parser.add_argument("--tmp-dir", action="store", + dest="tmp_dir", + help="specify alternate temporary directory", + default=None) + parser.add_argument("-v", "--verbose", action="count", + dest="verbosity", default=0, + help="increase verbosity") + + def _init_component(self): + """Determine which component has been requested by the user, and then + initialize that component. + """ + _com = self.args.component + if not _com in self._components.keys(): + print("Unknown subcommand '%s' specified" % _com) + try: + self._component = self._components[_com](self.parser, self.args, + self.cmdline) + except Exception as err: + print("Could not initialize '%s': %s" % (_com, err)) + sys.exit(1) + # vim: set et ts=4 sw=4 : |