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Diffstat (limited to 'ceilometerclient/apiclient/auth.py')
| -rw-r--r-- | ceilometerclient/apiclient/auth.py | 231 |
1 files changed, 0 insertions, 231 deletions
diff --git a/ceilometerclient/apiclient/auth.py b/ceilometerclient/apiclient/auth.py deleted file mode 100644 index 41d118f..0000000 --- a/ceilometerclient/apiclient/auth.py +++ /dev/null @@ -1,231 +0,0 @@ -# Copyright 2013 OpenStack Foundation -# Copyright 2013 Spanish National Research Council. -# All Rights Reserved. -# -# Licensed under the Apache License, Version 2.0 (the "License"); you may -# not use this file except in compliance with the License. You may obtain -# a copy of the License at -# -# http://www.apache.org/licenses/LICENSE-2.0 -# -# Unless required by applicable law or agreed to in writing, software -# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT -# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the -# License for the specific language governing permissions and limitations -# under the License. - -# E0202: An attribute inherited from %s hide this method -# pylint: disable=E0202 - -######################################################################## -# -# THIS MODULE IS DEPRECATED -# -# Please refer to -# https://etherpad.openstack.org/p/kilo-ceilometerclient-library-proposals for -# the discussion leading to this deprecation. -# -# We recommend checking out the python-openstacksdk project -# (https://launchpad.net/python-openstacksdk) instead. -# -######################################################################## - -import abc -import argparse -import os - -import six -from stevedore import extension - -from ceilometerclient.apiclient import exceptions - - -_discovered_plugins = {} - - -def discover_auth_systems(): - """Discover the available auth-systems. - - This won't take into account the old style auth-systems. - """ - global _discovered_plugins - _discovered_plugins = {} - - def add_plugin(ext): - _discovered_plugins[ext.name] = ext.plugin - - ep_namespace = "ceilometerclient.apiclient.auth" - mgr = extension.ExtensionManager(ep_namespace) - mgr.map(add_plugin) - - -def load_auth_system_opts(parser): - """Load options needed by the available auth-systems into a parser. - - This function will try to populate the parser with options from the - available plugins. - """ - group = parser.add_argument_group("Common auth options") - BaseAuthPlugin.add_common_opts(group) - for name, auth_plugin in six.iteritems(_discovered_plugins): - group = parser.add_argument_group( - "Auth-system '%s' options" % name, - conflict_handler="resolve") - auth_plugin.add_opts(group) - - -def load_plugin(auth_system): - try: - plugin_class = _discovered_plugins[auth_system] - except KeyError: - raise exceptions.AuthSystemNotFound(auth_system) - return plugin_class(auth_system=auth_system) - - -def load_plugin_from_args(args): - """Load required plugin and populate it with options. - - Try to guess auth system if it is not specified. Systems are tried in - alphabetical order. - - :type args: argparse.Namespace - :raises: AuthPluginOptionsMissing - """ - auth_system = args.os_auth_system - if auth_system: - plugin = load_plugin(auth_system) - plugin.parse_opts(args) - plugin.sufficient_options() - return plugin - - for plugin_auth_system in sorted(six.iterkeys(_discovered_plugins)): - plugin_class = _discovered_plugins[plugin_auth_system] - plugin = plugin_class() - plugin.parse_opts(args) - try: - plugin.sufficient_options() - except exceptions.AuthPluginOptionsMissing: - continue - return plugin - raise exceptions.AuthPluginOptionsMissing(["auth_system"]) - - -@six.add_metaclass(abc.ABCMeta) -class BaseAuthPlugin(object): - """Base class for authentication plugins. - - An authentication plugin needs to override at least the authenticate - method to be a valid plugin. - """ - - auth_system = None - opt_names = [] - common_opt_names = [ - "auth_system", - "username", - "password", - "tenant_name", - "token", - "auth_url", - ] - - def __init__(self, auth_system=None, **kwargs): - self.auth_system = auth_system or self.auth_system - self.opts = dict((name, kwargs.get(name)) - for name in self.opt_names) - - @staticmethod - def _parser_add_opt(parser, opt): - """Add an option to parser in two variants. - - :param opt: option name (with underscores) - """ - dashed_opt = opt.replace("_", "-") - env_var = "OS_%s" % opt.upper() - arg_default = os.environ.get(env_var, "") - arg_help = "Defaults to env[%s]." % env_var - parser.add_argument( - "--os-%s" % dashed_opt, - metavar="<%s>" % dashed_opt, - default=arg_default, - help=arg_help) - parser.add_argument( - "--os_%s" % opt, - metavar="<%s>" % dashed_opt, - help=argparse.SUPPRESS) - - @classmethod - def add_opts(cls, parser): - """Populate the parser with the options for this plugin.""" - for opt in cls.opt_names: - # use `BaseAuthPlugin.common_opt_names` since it is never - # changed in child classes - if opt not in BaseAuthPlugin.common_opt_names: - cls._parser_add_opt(parser, opt) - - @classmethod - def add_common_opts(cls, parser): - """Add options that are common for several plugins.""" - for opt in cls.common_opt_names: - cls._parser_add_opt(parser, opt) - - @staticmethod - def get_opt(opt_name, args): - """Return option name and value. - - :param opt_name: name of the option, e.g., "username" - :param args: parsed arguments - """ - return (opt_name, getattr(args, "os_%s" % opt_name, None)) - - def parse_opts(self, args): - """Parse the actual auth-system options if any. - - This method is expected to populate the attribute `self.opts` with a - dict containing the options and values needed to make authentication. - """ - self.opts.update(dict(self.get_opt(opt_name, args) - for opt_name in self.opt_names)) - - def authenticate(self, http_client): - """Authenticate using plugin defined method. - - The method usually analyses `self.opts` and performs - a request to authentication server. - - :param http_client: client object that needs authentication - :type http_client: HTTPClient - :raises: AuthorizationFailure - """ - self.sufficient_options() - self._do_authenticate(http_client) - - @abc.abstractmethod - def _do_authenticate(self, http_client): - """Protected method for authentication.""" - - def sufficient_options(self): - """Check if all required options are present. - - :raises: AuthPluginOptionsMissing - """ - missing = [opt - for opt in self.opt_names - if not self.opts.get(opt)] - if missing: - raise exceptions.AuthPluginOptionsMissing(missing) - - @abc.abstractmethod - def token_and_endpoint(self, endpoint_type, service_type): - """Return token and endpoint. - - :param service_type: Service type of the endpoint - :type service_type: string - :param endpoint_type: Type of endpoint. - Possible values: public or publicURL, - internal or internalURL, - admin or adminURL - :type endpoint_type: string - :returns: tuple of token and endpoint strings - :raises: EndpointException - """ |