212 lines
7.8 KiB
Python
212 lines
7.8 KiB
Python
# Copyright 2012-2013 OpenStack Foundation
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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#
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"""Common identity code"""
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from keystoneclient import exceptions as identity_exc
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from keystoneclient.v3 import domains
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from keystoneclient.v3 import groups
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from keystoneclient.v3 import projects
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from keystoneclient.v3 import users
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from osc_lib import exceptions
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from osc_lib import utils
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from openstackclient.i18n import _
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def find_service(identity_client, name_type_or_id):
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"""Find a service by id, name or type."""
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try:
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# search for service id
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return identity_client.services.get(name_type_or_id)
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except identity_exc.NotFound:
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# ignore NotFound exception, raise others
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pass
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try:
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# search for service name
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return identity_client.services.find(name=name_type_or_id)
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except identity_exc.NotFound:
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pass
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except identity_exc.NoUniqueMatch:
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msg = _("Multiple service matches found for '%s', "
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"use an ID to be more specific.")
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raise exceptions.CommandError(msg % name_type_or_id)
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try:
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# search for service type
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return identity_client.services.find(type=name_type_or_id)
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except identity_exc.NotFound:
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msg = _("No service with a type, name or ID of '%s' exists.")
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raise exceptions.CommandError(msg % name_type_or_id)
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except identity_exc.NoUniqueMatch:
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msg = _("Multiple service matches found for '%s', "
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"use an ID to be more specific.")
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raise exceptions.CommandError(msg % name_type_or_id)
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def _get_token_resource(client, resource, parsed_name):
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"""Peek into the user's auth token to get resource IDs
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Look into a user's token to try and find the ID of a domain, project or
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user, when given the name. Typically non-admin users will interact with
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the CLI using names. However, by default, keystone does not allow look up
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by name since it would involve listing all entities. Instead opt to use
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the correct ID (from the token) instead.
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:param client: An identity client
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:param resource: A resource to look at in the token, this may be `domain`,
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`project_domain`, `user_domain`, `project`, or `user`.
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:param parsed_name: This is input from parsed_args that the user is hoping
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to find in the token.
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:returns: The ID of the resource from the token, or the original value from
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parsed_args if it does not match.
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"""
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try:
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token = client.auth.client.get_token()
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token_data = client.tokens.get_token_data(token)
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token_dict = token_data['token']
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# NOTE(stevemar): If domain is passed, just look at the project domain.
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if resource == 'domain':
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token_dict = token_dict['project']
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obj = token_dict[resource]
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return obj['id'] if obj['name'] == parsed_name else parsed_name
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# diaper defense in case parsing the token fails
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except Exception: # noqa
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return parsed_name
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def _get_domain_id_if_requested(identity_client, domain_name_or_id):
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if not domain_name_or_id:
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return None
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domain = find_domain(identity_client, domain_name_or_id)
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return domain.id
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def find_domain(identity_client, name_or_id):
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return _find_identity_resource(identity_client.domains, name_or_id,
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domains.Domain)
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def find_group(identity_client, name_or_id, domain_name_or_id=None):
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domain_id = _get_domain_id_if_requested(identity_client, domain_name_or_id)
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if not domain_id:
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return _find_identity_resource(identity_client.groups, name_or_id,
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groups.Group)
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else:
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return _find_identity_resource(identity_client.groups, name_or_id,
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groups.Group, domain_id=domain_id)
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def find_project(identity_client, name_or_id, domain_name_or_id=None):
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domain_id = _get_domain_id_if_requested(identity_client, domain_name_or_id)
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if not domain_id:
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return _find_identity_resource(identity_client.projects, name_or_id,
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projects.Project)
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else:
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return _find_identity_resource(identity_client.projects, name_or_id,
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projects.Project, domain_id=domain_id)
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def find_user(identity_client, name_or_id, domain_name_or_id=None):
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domain_id = _get_domain_id_if_requested(identity_client, domain_name_or_id)
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if not domain_id:
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return _find_identity_resource(identity_client.users, name_or_id,
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users.User)
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else:
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return _find_identity_resource(identity_client.users, name_or_id,
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users.User, domain_id=domain_id)
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def _find_identity_resource(identity_client_manager, name_or_id,
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resource_type, **kwargs):
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"""Find a specific identity resource.
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Using keystoneclient's manager, attempt to find a specific resource by its
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name or ID. If Forbidden to find the resource (a common case if the user
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does not have permission), then return the resource by creating a local
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instance of keystoneclient's Resource.
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The parameter identity_client_manager is a keystoneclient manager,
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for example: keystoneclient.v3.users or keystoneclient.v3.projects.
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The parameter resource_type is a keystoneclient resource, for example:
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keystoneclient.v3.users.User or keystoneclient.v3.projects.Project.
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:param identity_client_manager: the manager that contains the resource
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:type identity_client_manager: `keystoneclient.base.CrudManager`
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:param name_or_id: the resources's name or ID
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:type name_or_id: string
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:param resource_type: class that represents the resource type
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:type resource_type: `keystoneclient.base.Resource`
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:returns: the resource in question
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:rtype: `keystoneclient.base.Resource`
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"""
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try:
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identity_resource = utils.find_resource(identity_client_manager,
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name_or_id, **kwargs)
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if identity_resource is not None:
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return identity_resource
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except identity_exc.Forbidden:
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pass
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return resource_type(None, {'id': name_or_id, 'name': name_or_id})
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def add_user_domain_option_to_parser(parser):
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parser.add_argument(
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'--user-domain',
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metavar='<user-domain>',
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help=_('Domain the user belongs to (name or ID). '
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'This can be used in case collisions between user names '
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'exist.'),
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)
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def add_group_domain_option_to_parser(parser):
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parser.add_argument(
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'--group-domain',
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metavar='<group-domain>',
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help=_('Domain the group belongs to (name or ID). '
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'This can be used in case collisions between group names '
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'exist.'),
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)
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def add_project_domain_option_to_parser(parser):
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parser.add_argument(
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'--project-domain',
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metavar='<project-domain>',
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help=_('Domain the project belongs to (name or ID). '
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'This can be used in case collisions between project names '
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'exist.'),
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)
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def add_inherited_option_to_parser(parser):
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parser.add_argument(
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'--inherited',
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action='store_true',
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default=False,
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help=_('Specifies if the role grant is inheritable to the sub '
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'projects'),
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)
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