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# Copyright 2016 NEC Corporation
#
# 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.
"""This module should contain OSC plugin generic methods.
Methods in this module are candidates adopted to osc-lib.
Stuffs specific to neutronclient OSC plugin should not be added
to this module. They should go to neutronclient.osc.v2.utils.
"""
from keystoneclient import exceptions as identity_exc
from keystoneclient.v3 import domains
from keystoneclient.v3 import projects
from osc_lib import utils
from neutronclient._i18n import _
# TODO(amotoki): Use osc-lib version once osc-lib provides this.
def add_project_owner_option_to_parser(parser):
"""Register project and project domain options.
:param parser: argparse.Argument parser object.
"""
parser.add_argument(
'--project',
metavar='<project>',
help=_("Owner's project (name or ID)")
)
# Borrowed from openstackclient.identity.common
# as it is not exposed officially.
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.'),
)
# The following methods are borrowed from openstackclient.identity.common
# as it is not exposed officially.
# TODO(amotoki): Use osc-lib version once osc-lib provides this.
def find_domain(identity_client, name_or_id):
return _find_identity_resource(identity_client.domains, name_or_id,
domains.Domain)
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 _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_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})
# The above are borrowed from openstackclient.identity.common.
# DO NOT ADD original methods in neutronclient repo to the above area.
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