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# 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.
from osc_lib.command import command
from osc_lib import utils
from osc_placement import version
BASE_URL = '/resource_classes'
PER_CLASS_URL = BASE_URL + '/{name}'
FIELDS = ('name',)
class ListResourceClass(command.Lister):
"""Return a list of all resource classes.
This command requires at least ``--os-placement-api-version 1.2``.
"""
def get_parser(self, prog_name):
parser = super(ListResourceClass, self).get_parser(prog_name)
return parser
@version.check(version.ge('1.2'))
def take_action(self, parsed_args):
http = self.app.client_manager.placement
resource_classes = http.request(
'GET', BASE_URL).json()['resource_classes']
rows = (utils.get_dict_properties(i, FIELDS) for i in resource_classes)
return FIELDS, rows
class CreateResourceClass(command.Command):
"""Create a new resource class.
This command requires at least ``--os-placement-api-version 1.2``.
"""
def get_parser(self, prog_name):
parser = super(CreateResourceClass, self).get_parser(prog_name)
parser.add_argument(
'name',
metavar='<name>',
help='Name of the resource class'
)
return parser
@version.check(version.ge('1.2'))
def take_action(self, parsed_args):
http = self.app.client_manager.placement
http.request('POST', BASE_URL, json={'name': parsed_args.name})
class SetResourceClass(command.Command):
"""Create or validate the existence of single resource class.
Unlike ``openstack resource class create``, this command also succeeds if
the resource class already exists, which makes this an idempotent check or
create command.
This command requires at least ``--os-placement-api-version 1.7``.
"""
def get_parser(self, prog_name):
parser = super(SetResourceClass, self).get_parser(prog_name)
parser.add_argument(
'name',
metavar='<name>',
help='Name of the resource class'
)
return parser
@version.check(version.ge('1.7'))
def take_action(self, parsed_args):
http = self.app.client_manager.placement
url = BASE_URL + '/' + parsed_args.name
http.request('PUT', url)
class ShowResourceClass(command.ShowOne):
"""Return a representation of the resource class identified by ``<name>``.
This command requires at least ``--os-placement-api-version 1.2``.
"""
def get_parser(self, prog_name):
parser = super(ShowResourceClass, self).get_parser(prog_name)
parser.add_argument(
'name',
metavar='<name>',
help='Name of the resource class'
)
return parser
@version.check(version.ge('1.2'))
def take_action(self, parsed_args):
http = self.app.client_manager.placement
url = PER_CLASS_URL.format(name=parsed_args.name)
resource = http.request('GET', url).json()
return FIELDS, utils.get_dict_properties(resource, FIELDS)
class DeleteResourceClass(command.Command):
"""Delete the resource class identified by ``<name>``.
Only custom resource classes can be deleted.
This command requires at least ``--os-placement-api-version 1.2``.
"""
def get_parser(self, prog_name):
parser = super(DeleteResourceClass, self).get_parser(prog_name)
parser.add_argument(
'name',
metavar='<name>',
help='Name of the resource class'
)
return parser
@version.check(version.ge('1.2'))
def take_action(self, parsed_args):
http = self.app.client_manager.placement
url = PER_CLASS_URL.format(name=parsed_args.name)
http.request('DELETE', url)
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