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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 ironic_lib import metrics_utils
from oslo_config import cfg
import pecan
from webob import exc as webob_exc
from ironic import api
from ironic.api.controllers.v1 import utils as api_utils
from ironic.api import method
from ironic.common.i18n import _
CONF = cfg.CONF
METRICS = metrics_utils.get_metrics_logger(__name__)
class ShardController(pecan.rest.RestController):
"""REST controller for shards."""
@pecan.expose()
def _route(self, argv, request=None):
if not api_utils.allow_shards_endpoint():
msg = _("The API version does not allow shards")
if api.request.method in "GET":
raise webob_exc.HTTPNotFound(msg)
else:
raise webob_exc.HTTPMethodNotAllowed(msg)
return super(ShardController, self)._route(argv, request)
@METRICS.timer('ShardController.get_all')
@method.expose()
def get_all(self):
"""Retrieve a list of shards.
:returns: A list of shards.
"""
api_utils.check_policy('baremetal:shards:get')
return {
'shards': api.request.dbapi.get_shard_list(),
}
@METRICS.timer('ShardController.get_one')
@method.expose()
def get_one(self, __):
"""Explicitly do not support getting one."""
pecan.abort(404)
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