Python oslo_config.cfg.ConfigFilesNotFoundError() Examples

def load_paste_app(app_name):
    """Builds and returns a WSGI app from a paste config file.

    :param app_name: Name of the application to load
    :raises ConfigFilesNotFoundError when config file cannot be located
    :raises RuntimeError when application cannot be loaded from config file
    """

    config_path = cfg.CONF.find_file(cfg.CONF.api_paste_config)
    if not config_path:
        raise cfg.ConfigFilesNotFoundError(
            config_files=[cfg.CONF.api_paste_config])
    config_path = os.path.abspath(config_path)
    LOG.info(_LI("Config paste file: %s"), config_path)

    try:
        app = deploy.loadapp("config:%s" % config_path, name=app_name)
    except (LookupError, ImportError):
        msg = (_("Unable to load %(app_name)s from "
                 "configuration file %(config_path)s.") %
               {'app_name': app_name,
                'config_path': config_path})
        LOG.exception(msg)
        raise RuntimeError(msg)
    return app 

def load_app(conf):
    global APPCONFIGS

    # Build the WSGI app
    cfg_path = conf.api.paste_config
    if not os.path.isabs(cfg_path):
        cfg_path = conf.find_file(cfg_path)

    if cfg_path is None or not os.path.exists(cfg_path):
        raise cfg.ConfigFilesNotFoundError([conf.api.paste_config])

    config = dict(conf=conf)
    configkey = str(uuid.uuid4())
    APPCONFIGS[configkey] = config

    LOG.info("WSGI config used: %s", cfg_path)
    return deploy.loadapp("config:" + cfg_path,
                          name="aodh+" + (
                              conf.api.auth_mode
                              if conf.api.auth_mode else "noauth"
                          ),
                          global_conf={'configkey': configkey}) 

def test_main_sudo_failed(self, register_cli_opt, log_setup,
                              register_log_opts, config_opts_call):
        script_name = 'manila-manage'
        sys.argv = [script_name, 'fake_category', 'fake_action']
        config_opts_call.side_effect = cfg.ConfigFilesNotFoundError(
            mock.sentinel._namespace)

        exit = self.assertRaises(SystemExit, manila_manage.main)

        self.assertTrue(register_cli_opt.called)
        register_log_opts.assert_called_once_with(CONF)
        config_opts_call.assert_called_once_with(
            sys.argv[1:], project='manila',
            version=version.version_string())
        self.assertFalse(log_setup.called)
        self.assertEqual(2, exit.code) 

def _get_policy_path(self, path):
        """Locate the policy YAML/JSON data file/path.

        :param path: It's value can be a full path or related path. When
                     full path specified, this function just returns the full
                     path. When related path specified, this function will
                     search configuration directories to find one that exists.

        :returns: The policy path

        :raises: ConfigFilesNotFoundError if the file/path couldn't
                 be located.
        """
        policy_path = self.conf.find_file(path)

        if policy_path:
            return policy_path

        raise cfg.ConfigFilesNotFoundError((path,)) 

def handle_config_exception(exc):
    msg = ""

    if not any(LOG.handlers):
        logging.basicConfig(level=logging.DEBUG)

    if isinstance(exc, cfg.RequiredOptError):
        msg = "Missing option '{opt}'".format(opt=exc.opt_name)
        if exc.group:
            msg += " in group '{}'".format(exc.group)
        CONF.print_help()

    elif isinstance(exc, cfg.ConfigFilesNotFoundError):
        if CONF._args[0] == "init":
            return

        msg = (_("Configuration file specified ('%s') wasn't "
                 "found or was unreadable.") % ",".join(
            CONF.config_file))

    if msg:
        LOG.warning(msg)
        print(syntribos.SEP)
    else:
        LOG.exception(exc) 

def load_app():
    global APPCONFIGS
    # Build the WSGI app
    cfg_path = CONF.api.paste_config
    if not os.path.isabs(cfg_path):
        cfg_path = CONF.find_file(cfg_path)

    if cfg_path is None or not os.path.exists(cfg_path):
        raise cfg.ConfigFilesNotFoundError([CONF.api.paste_config])

    config = dict(conf=CONF)
    configkey = uuidutils.generate_uuid()
    APPCONFIGS[configkey] = config

    LOG.info('Full WSGI config used: %s', cfg_path)

    appname = "vitrage+" + CONF.api.auth_mode
    return deploy.loadapp("config:" + cfg_path, name=appname,
                          global_conf={'configkey': configkey}) 

def load_paste_app(app_name):
    """Builds and returns a WSGI app from a paste config file.

    :param app_name: Name of the application to load
    :raises ConfigFilesNotFoundError: when config file cannot be located
    :raises RuntimeError: when application cannot be loaded from config file
    """

    config_path = cfg.CONF.find_file(cfg.CONF.api_paste_config)
    if not config_path:
        raise cfg.ConfigFilesNotFoundError(
            config_files=[cfg.CONF.api_paste_config])
    config_path = os.path.abspath(config_path)
    LOG.info("Config paste file: %s", config_path)

    try:
        app = deploy.loadapp("config:%s" % config_path, name=app_name)
    except (LookupError, ImportError):
        msg = (_("Unable to load %(app_name)s from "
                 "configuration file %(config_path)s.") %
               {'app_name': app_name,
                'config_path': config_path})
        LOG.exception(msg)
        raise RuntimeError(msg)
    return app 

def main():
    """Parse options and call the appropriate class/method."""
    objects.register_all()
    CONF.register_cli_opt(category_opt)
    script_name = sys.argv[0]
    if len(sys.argv) < 2:
        print(_("\nOpenStack Karbor version: %(version)s\n") %
              {'version': version.version_string()})
        print(script_name + " category action [<args>]")
        print(_("Available categories:"))
        for category in CATEGORIES:
            print(_("\t%s") % category)
        sys.exit(2)

    try:
        CONF(sys.argv[1:], project='karbor',
             version=version.version_string())
        logging.setup(CONF, "karbor")
    except cfg.ConfigDirNotFoundError as details:
        print(_("Invalid directory: %s") % details)
        sys.exit(2)
    except cfg.ConfigFilesNotFoundError:
        cfgfile = CONF.config_file[-1] if CONF.config_file else None
        if cfgfile and not os.access(cfgfile, os.R_OK):
            st = os.stat(cfgfile)
            print(_("Could not read %s, Please try running this"
                    "command again as root/Administrator privilege"
                    "using sudo.") % cfgfile)
            try:
                os.execvp('sudo', ['sudo', '-u', '#%s' % st.st_uid] + sys.argv)
            except Exception:
                print(_('sudo failed, continuing as if nothing happened'))

        print(_('Please re-run karbor-manage as root.'))
        sys.exit(2)

    fn = CONF.category.action_fn
    fn_args = fetch_func_args(fn)
    fn(*fn_args) 

def load_app():
    cfg_file = None
    cfg_path = CONF.api.api_paste_config
    if not os.path.isabs(cfg_path):
        cfg_file = CONF.find_file(cfg_path)
    elif os.path.exists(cfg_path):
        cfg_file = cfg_path

    if not cfg_file:
        raise cfg.ConfigFilesNotFoundError([CONF.api.api_paste_config])
    LOG.info("Full WSGI config used: %s", cfg_file)
    return deploy.loadapp("config:" + cfg_file) 

def test_api_paste_file_not_exist(self):
        self.CONF.set_override('paste_config', 'non-existent-file', "api")
        with mock.patch.object(self.CONF, 'find_file') as ff:
            ff.return_value = None
            self.assertRaises(cfg.ConfigFilesNotFoundError,
                              app.load_app, self.CONF) 

def load_app():
    cfg_file = None
    cfg_path = CONF.api.api_paste_config
    if not os.path.isabs(cfg_path):
        cfg_file = CONF.find_file(cfg_path)
    elif os.path.exists(cfg_path):
        cfg_file = cfg_path

    if not cfg_file:
        raise cfg.ConfigFilesNotFoundError([CONF.api.api_paste_config])
    LOG.info("Full WSGI config used: %s", cfg_file)
    return deploy.loadapp("config:" + cfg_file) 

def test_get_policy_path_raises_exc(self):
        enforcer = policy.Enforcer(self.conf, policy_file='raise_error.json')
        e = self.assertRaises(cfg.ConfigFilesNotFoundError,
                              enforcer._get_policy_path, enforcer.policy_file)
        self.assertEqual(('raise_error.json', ), e.config_files) 

def test_service_setup_default_st2_conf_config_is_used(self):
        st2common_config.get_logging_config_path = mock_get_logging_config_path
        cfg.CONF.reset()

        # 1. DEFAULT_CONFIG_FILE_PATH config path should be used by default (/etc/st2/st2.conf)
        expected_msg = 'Failed to find some config files: %s' % (MOCK_DEFAULT_CONFIG_FILE_PATH)
        self.assertRaisesRegexp(ConfigFilesNotFoundError, expected_msg, service_setup.setup,
                                service='api',
                                config=st2common_config,
                                config_args=['--debug'],
                                setup_db=False, register_mq_exchanges=False,
                                register_signal_handlers=False,
                                register_internal_trigger_types=False,
                                run_migrations=False)

        cfg.CONF.reset()

        # 2. --config-file should still override default config file path option
        config_file_path = '/etc/st2/config.override.test'
        expected_msg = 'Failed to find some config files: %s' % (config_file_path)
        self.assertRaisesRegexp(ConfigFilesNotFoundError, expected_msg, service_setup.setup,
                                service='api',
                                config=st2common_config,
                                config_args=['--config-file', config_file_path],
                                setup_db=False, register_mq_exchanges=False,
                                register_signal_handlers=False,
                                register_internal_trigger_types=False,
                                run_migrations=False) 

def test_load_paste_app_not_found(self):
        self.config(api_paste_config='no_such_file.conf')
        with mock.patch.object(cfg.CONF, 'find_file', return_value=None) as ff:
            e = self.assertRaises(cfg.ConfigFilesNotFoundError,
                                  config.load_paste_app, 'app')
            ff.assert_called_once_with('no_such_file.conf')
            self.assertEqual(['no_such_file.conf'], e.config_files) 

def load_app():
    cfg_file = None
    cfg_path = cfg.CONF.api_paste_config
    if not os.path.isabs(cfg_path):
        cfg_file = CONF.find_file(cfg_path)
    elif os.path.exists(cfg_path):
        cfg_file = cfg_path

    if not cfg_file:
        raise cfg.ConfigFilesNotFoundError([cfg.CONF.api_paste_config])
    LOG.info("Full WSGI config used: %s", cfg_file)
    appname = "cloudkitty+{}".format(cfg.CONF.auth_strategy)
    LOG.info("Cloudkitty API with '%s' auth type will be loaded.",
             cfg.CONF.auth_strategy)
    return deploy.loadapp("config:" + cfg_file, name=appname) 

def prepare_service(args=None, handler=None):
    """prepare the twisted service

    :param hander: handler object
    """
    if not handler:
        handler = DefaultHandler()
    try:
        CONF(args=args, project='yabmp', version=version,
             default_config_files=['/etc/yabmp/yabmp.ini'])
    except cfg.ConfigFilesNotFoundError:
        CONF(args=args, project='yabmp', version=version)

    log.init_log()
    LOG.info('Log (Re)opened.')
    LOG.info("Configuration:")

    cfg.CONF.log_opt_values(LOG, logging.INFO)

    handler.init()
    # start bmp server
    try:
        reactor.listenTCP(
            CONF.bind_port,
            BMPFactory(handler=handler),
            interface=CONF.bind_host)
        LOG.info(
            "Starting bmpd server listen to port = %s and ip = %s",
            CONF.bind_port, CONF.bind_host)
        reactor.run()
    except Exception as e:
        LOG.error(e) 

def main():
    """Parse options and call the appropriate class/method."""
    CONF.register_cli_opt(command_opt)
    script_name = sys.argv[0]
    if len(sys.argv) < 2:
        print(_("\nOpenStack masakari version: %(version)s\n") %
              {'version': version.version_string()})
        print(script_name + " category action [<args>]")
        print(_("Available categories:"))
        for category in CATEGORIES:
            print(_("\t%s") % category)
        sys.exit(2)

    try:
        CONF(sys.argv[1:], project='masakari',
             version=version.version_string())
        logging.setup(CONF, "masakari")
        python_logging.captureWarnings(True)
    except cfg.ConfigDirNotFoundError as details:
        print(_("Invalid directory: %s") % details)
        sys.exit(2)
    except cfg.ConfigFilesNotFoundError as e:
        cfg_files = ', '.join(e.config_files)
        print(_("Failed to read configuration file(s): %s") % cfg_files)
        sys.exit(2)

    fn = CONF.category.action_fn
    fn_args = fetch_func_args(fn)
    fn(*fn_args) 

def main():
    """Parse options and call the appropriate class/method."""
    CONF.register_cli_opt(category_opt)
    script_name = sys.argv[0]
    if len(sys.argv) < 2:
        print(_("\nOpenStack manila version: %(version)s\n") %
              {'version': version.version_string()})
        print(script_name + " category action [<args>]")
        print(_("Available categories:"))
        for category in CATEGORIES:
            print("\t%s" % category)
        sys.exit(2)

    try:
        log.register_options(CONF)
        CONF(sys.argv[1:], project='manila',
             version=version.version_string())
        log.setup(CONF, "manila")
    except cfg.ConfigFilesNotFoundError as e:
        cfg_files = e.config_files
        print(_("Failed to read configuration file(s): %s") % cfg_files)
        sys.exit(2)

    fn = CONF.category.action_fn

    fn_args = fetch_func_args(fn)
    fn(*fn_args) 

def test_api_paste_file_not_exist_not_abs(self, mock_deploy):
        path = self.get_path(cfg.CONF['api']['api_paste_config'] + 'test')
        cfg.CONF.set_override('api_paste_config', path, group='api')
        self.assertRaises(cfg.ConfigFilesNotFoundError, app.load_app) 

def test_api_paste_file_not_exist(self):
        cfg.CONF.set_override('api_paste_config', 'non-existent-file',
                              group='api')
        with mock.patch.object(cfg.CONF, 'find_file') as ff:
            ff.return_value = None
            self.assertRaises(cfg.ConfigFilesNotFoundError, app.load_app) 

def load_app():
    cfg_file = None
    cfg_path = CONF.api.api_paste_config
    if not os.path.isabs(cfg_path):
        cfg_file = CONF.find_file(cfg_path)
    elif os.path.exists(cfg_path):
        cfg_file = cfg_path

    if not cfg_file:
        raise cfg.ConfigFilesNotFoundError([CONF.api.api_paste_config])
    LOG.info("Full WSGI config used: %s", cfg_file)
    return deploy.loadapp("config:" + cfg_file) 

def _get_enforcers():
    global _ENFORCERS
    if not _ENFORCERS:
        _ENFORCERS = {}
        pol_files = cfg.CONF.service_policies.service_policy_files
        for service, pol_file in pol_files.items():
            base_path = str(cfg.CONF.service_policies.service_policy_path)
            service_policy_path = os.path.join(base_path,
                                               pol_file)
            enforcer = policy.Enforcer(cfg.CONF, service_policy_path)
            missing_config_file = False

            # oslo.policy's approach to locating these files seems to be
            # changing; current master doesn't raise an exception
            try:
                enforcer.load_rules()
                enforcer.register_defaults(policies.list_rules())
                if not enforcer.policy_path:
                    missing_config_file = True
            except cfg.ConfigFilesNotFoundError:
                missing_config_file = True

            if missing_config_file:
                LOG.error("Policy file for service %(service)s not found"
                          " in %(policy_file)s (base path %(base)s)" %
                          {"service": service, "policy_file": pol_file,
                           "base": service_policy_path})
                raise MissingPolicyFile(
                    "Could not find policy file %(pol_file)s for service "
                    "type %(service)s" % {'pol_file': pol_file,
                                          'service': service})

            LOG.debug("Adding policy enforcer for %s" % service)
            _ENFORCERS[service] = enforcer

    return _ENFORCERS 

def prepare_service(args=None, handler=None, api_hander=None, reactor_thread_size=100):
    """prepare all services
    """
    try:
        CONF(args=args, project='yabgp', version=version,
             default_config_files=['/etc/yabgp/yabgp.ini'])
    except cfg.ConfigFilesNotFoundError:
        CONF(args=args, project='yabgp', version=version)

    log.init_log()
    LOG.info('Log (Re)opened.')
    LOG.info("Configuration:")
    cfg.CONF.log_opt_values(LOG, logging.INFO)
    try:
        if not handler:
            LOG.info('No handler provided, init default handler')
            handler = DefaultHandler()
        get_bgp_config()
        check_msg_config()
    except Exception as e:
        LOG.error(e)
        LOG.debug(traceback.format_exc())
        sys.exit()
    # prepare api handler
    if api_hander:
        register_api_handler(api_hander)
    LOG.info('Starting server in PID %s', os.getpid())
    prepare_twisted_service(handler, reactor_thread_size)