python-openstackclient/openstackclient/identity/common.py
Min Min Ren b98aee57c1 Fix "sevice show" cannot catch NoUniqueMatch Exception
Fix a bug for "service show" subcommand cannot cache NoUniqueMatch Exception

Change-Id: I393c5417de0fef424618b08119ddbc8fea27e114
Closes-Bug: #1524305
2015-12-09 05:47:12 +08:00

168 lines
6.1 KiB
Python

# Copyright 2012-2013 OpenStack Foundation
#
# 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.
#
"""Common identity code"""
from keystoneclient import exceptions as identity_exc
from keystoneclient.v3 import domains
from keystoneclient.v3 import groups
from keystoneclient.v3 import projects
from keystoneclient.v3 import users
from openstackclient.common import exceptions
from openstackclient.common import utils
def find_service(identity_client, name_type_or_id):
"""Find a service by id, name or type."""
try:
# search for the usual ID or name
return utils.find_resource(identity_client.services, name_type_or_id)
except exceptions.CommandError:
try:
# search for service type
return identity_client.services.find(type=name_type_or_id)
# FIXME(dtroyer): This exception should eventually come from
# common client exceptions
except identity_exc.NotFound:
msg = ("No service with a type, name or ID of '%s' exists."
% name_type_or_id)
raise exceptions.CommandError(msg)
except identity_exc.NoUniqueMatch:
msg = ("Multiple service matches found for '%s', "
"use an ID to be more specific."
% name_type_or_id)
raise exceptions.CommandError(msg)
def _get_domain_id_if_requested(identity_client, domain_name_or_id):
if not domain_name_or_id:
return None
domain = find_domain(identity_client, domain_name_or_id)
return domain.id
def find_domain(identity_client, name_or_id):
return _find_identity_resource(identity_client.domains, name_or_id,
domains.Domain)
def find_group(identity_client, name_or_id, domain_name_or_id=None):
domain_id = _get_domain_id_if_requested(identity_client, domain_name_or_id)
if not domain_id:
return _find_identity_resource(identity_client.groups, name_or_id,
groups.Group)
else:
return _find_identity_resource(identity_client.groups, name_or_id,
groups.Group, domain_id=domain_id)
def find_project(identity_client, name_or_id, domain_name_or_id=None):
domain_id = _get_domain_id_if_requested(identity_client, domain_name_or_id)
if not domain_id:
return _find_identity_resource(identity_client.projects, name_or_id,
projects.Project)
else:
return _find_identity_resource(identity_client.projects, name_or_id,
projects.Project, domain_id=domain_id)
def find_user(identity_client, name_or_id, domain_name_or_id=None):
domain_id = _get_domain_id_if_requested(identity_client, domain_name_or_id)
if not domain_id:
return _find_identity_resource(identity_client.users, name_or_id,
users.User)
else:
return _find_identity_resource(identity_client.users, name_or_id,
users.User, domain_id=domain_id)
def _find_identity_resource(identity_client_manager, name_or_id,
resource_type, **kwargs):
"""Find a specific identity resource.
Using keystoneclient's manager, attempt to find a specific resource by its
name or ID. If Forbidden to find the resource (a common case if the user
does not have permission), then return the resource by creating a local
instance of keystoneclient's Resource.
The parameter identity_client_manager is a keystoneclient manager,
for example: keystoneclient.v3.users or keystoneclient.v3.projects.
The parameter resource_type is a keystoneclient resource, for example:
keystoneclient.v3.users.User or keystoneclient.v3.projects.Project.
:param identity_client_manager: the manager that contains the resource
:type identity_client_manager: `keystoneclient.base.CrudManager`
:param name_or_id: the resources's name or ID
:type name_or_id: string
:param resource_type: class that represents the resource type
:type resource_type: `keystoneclient.base.Resource`
:returns: the resource in question
:rtype: `keystoneclient.base.Resource`
"""
try:
identity_resource = utils.find_resource(identity_client_manager,
name_or_id, **kwargs)
if identity_resource is not None:
return identity_resource
except identity_exc.Forbidden:
pass
return resource_type(None, {'id': name_or_id, 'name': name_or_id})
def add_user_domain_option_to_parser(parser):
parser.add_argument(
'--user-domain',
metavar='<user-domain>',
help=('Domain the user belongs to (name or ID). '
'This can be used in case collisions between user names '
'exist.')
)
def add_group_domain_option_to_parser(parser):
parser.add_argument(
'--group-domain',
metavar='<group-domain>',
help=('Domain the group belongs to (name or ID). '
'This can be used in case collisions between group names '
'exist.')
)
def add_project_domain_option_to_parser(parser):
parser.add_argument(
'--project-domain',
metavar='<project-domain>',
help=('Domain the project belongs to (name or ID). '
'This can be used in case collisions between project names '
'exist.')
)
def add_inherited_option_to_parser(parser):
parser.add_argument(
'--inherited',
action='store_true',
default=False,
help=('Specifies if the role grant is inheritable to the sub projects')
)