412 lines
16 KiB
Python
412 lines
16 KiB
Python
# Copyright (c) 2017 Hitachi, Ltd.
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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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from http import client as http_client
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from ironic_lib import metrics_utils
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from oslo_utils import uuidutils
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from pecan import rest
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from ironic import api
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from ironic.api.controllers import link
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from ironic.api.controllers.v1 import collection
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from ironic.api.controllers.v1 import notification_utils as notify
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from ironic.api.controllers.v1 import utils as api_utils
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from ironic.api import method
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from ironic.common import args
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from ironic.common import exception
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from ironic.common.i18n import _
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from ironic import objects
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METRICS = metrics_utils.get_metrics_logger(__name__)
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_DEFAULT_RETURN_FIELDS = ['uuid', 'node_uuid', 'type', 'connector_id']
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CONNECTOR_SCHEMA = {
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'type': 'object',
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'properties': {
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'connector_id': {'type': 'string'},
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'extra': {'type': ['object', 'null']},
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'node_uuid': {'type': 'string'},
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'type': {'type': 'string'},
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'uuid': {'type': ['string', 'null']},
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},
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'required': ['connector_id', 'node_uuid', 'type'],
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'additionalProperties': False,
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}
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CONNECTOR_VALIDATOR_EXTRA = args.dict_valid(
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node_uuid=args.uuid,
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uuid=args.uuid,
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)
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CONNECTOR_VALIDATOR = args.and_valid(
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args.schema(CONNECTOR_SCHEMA),
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CONNECTOR_VALIDATOR_EXTRA
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)
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PATCH_ALLOWED_FIELDS = [
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'connector_id',
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'extra',
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'node_uuid',
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'type'
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]
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def convert_with_links(rpc_connector, fields=None, sanitize=True):
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connector = api_utils.object_to_dict(
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rpc_connector,
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link_resource='volume/connectors',
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fields=('connector_id', 'extra', 'type')
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)
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api_utils.populate_node_uuid(rpc_connector, connector)
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if fields is not None:
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api_utils.check_for_invalid_fields(fields, connector)
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if not sanitize:
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return connector
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api_utils.sanitize_dict(connector, fields)
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return connector
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def list_convert_with_links(rpc_connectors, limit, url=None, fields=None,
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detail=None, **kwargs):
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if detail:
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kwargs['detail'] = detail
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return collection.list_convert_with_links(
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items=[convert_with_links(p, fields=fields, sanitize=False)
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for p in rpc_connectors],
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item_name='connectors',
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limit=limit,
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url=url,
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fields=fields,
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sanitize_func=api_utils.sanitize_dict,
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**kwargs
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)
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class VolumeConnectorsController(rest.RestController):
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"""REST controller for VolumeConnectors."""
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invalid_sort_key_list = ['extra']
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def __init__(self, node_ident=None):
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super(VolumeConnectorsController, self).__init__()
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self.parent_node_ident = node_ident
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def _get_volume_connectors_collection(self, node_ident, marker, limit,
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sort_key, sort_dir,
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resource_url=None,
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fields=None, detail=None,
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project=None):
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limit = api_utils.validate_limit(limit)
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sort_dir = api_utils.validate_sort_dir(sort_dir)
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marker_obj = None
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if marker:
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marker_obj = objects.VolumeConnector.get_by_uuid(
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api.request.context, marker)
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if sort_key in self.invalid_sort_key_list:
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raise exception.InvalidParameterValue(
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_("The sort_key value %(key)s is an invalid field for "
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"sorting") % {'key': sort_key})
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node_ident = self.parent_node_ident or node_ident
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if node_ident:
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# FIXME(comstud): Since all we need is the node ID, we can
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# make this more efficient by only querying
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# for that column. This will get cleaned up
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# as we move to the object interface.
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node = api_utils.get_rpc_node(node_ident)
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connectors = objects.VolumeConnector.list_by_node_id(
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api.request.context, node.id, limit, marker_obj,
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sort_key=sort_key, sort_dir=sort_dir,
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project=project)
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else:
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connectors = objects.VolumeConnector.list(api.request.context,
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limit,
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marker_obj,
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sort_key=sort_key,
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sort_dir=sort_dir,
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project=project)
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return list_convert_with_links(connectors, limit,
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url=resource_url,
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fields=fields,
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sort_key=sort_key,
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sort_dir=sort_dir,
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detail=detail)
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@METRICS.timer('VolumeConnectorsController.get_all')
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@method.expose()
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@args.validate(node=args.uuid_or_name, marker=args.uuid,
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limit=args.integer, sort_key=args.string,
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sort_dir=args.string, fields=args.string_list,
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detail=args.boolean)
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def get_all(self, node=None, marker=None, limit=None, sort_key='id',
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sort_dir='asc', fields=None, detail=None, project=None):
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"""Retrieve a list of volume connectors.
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:param node: UUID or name of a node, to get only volume connectors
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for that node.
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:param marker: pagination marker for large data sets.
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:param limit: maximum number of resources to return in a single result.
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This value cannot be larger than the value of max_limit
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in the [api] section of the ironic configuration, or only
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max_limit resources will be returned.
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:param sort_key: column to sort results by. Default: id.
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:param sort_dir: direction to sort. "asc" or "desc". Default: "asc".
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:param fields: Optional, a list with a specified set of fields
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of the resource to be returned.
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:param detail: Optional, whether to retrieve with detail.
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:returns: a list of volume connectors, or an empty list if no volume
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connector is found.
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:raises: InvalidParameterValue if sort_key does not exist
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:raises: InvalidParameterValue if sort key is invalid for sorting.
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:raises: InvalidParameterValue if both fields and detail are specified.
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"""
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project = api_utils.check_volume_list_policy(
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parent_node=self.parent_node_ident)
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if fields is None and not detail:
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fields = _DEFAULT_RETURN_FIELDS
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if fields and detail:
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raise exception.InvalidParameterValue(
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_("Can't fetch a subset of fields with 'detail' set"))
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resource_url = 'volume/connectors'
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return self._get_volume_connectors_collection(
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node, marker, limit, sort_key, sort_dir, resource_url=resource_url,
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fields=fields, detail=detail, project=project)
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@METRICS.timer('VolumeConnectorsController.get_one')
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@method.expose()
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@args.validate(connector_uuid=args.uuid, fields=args.string_list)
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def get_one(self, connector_uuid, fields=None):
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"""Retrieve information about the given volume connector.
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:param connector_uuid: UUID of a volume connector.
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:param fields: Optional, a list with a specified set of fields
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of the resource to be returned.
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:returns: API-serializable volume connector object.
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:raises: OperationNotPermitted if accessed with specifying a parent
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node.
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:raises: VolumeConnectorNotFound if no volume connector exists with
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the specified UUID.
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"""
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rpc_connector, _ = api_utils.check_volume_policy_and_retrieve(
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'baremetal:volume:get',
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connector_uuid,
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target=False)
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if self.parent_node_ident:
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raise exception.OperationNotPermitted()
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return convert_with_links(rpc_connector, fields=fields)
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@METRICS.timer('VolumeConnectorsController.post')
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@method.expose(status_code=http_client.CREATED)
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@method.body('connector')
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@args.validate(connector=CONNECTOR_VALIDATOR)
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def post(self, connector):
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"""Create a new volume connector.
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:param connector: a volume connector within the request body.
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:returns: API-serializable volume connector object.
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:raises: OperationNotPermitted if accessed with specifying a parent
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node.
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:raises: VolumeConnectorTypeAndIdAlreadyExists if a volume
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connector already exists with the same type and connector_id
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:raises: VolumeConnectorAlreadyExists if a volume connector with the
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same UUID already exists
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"""
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context = api.request.context
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owner = None
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lessee = None
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raise_node_not_found = False
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node_uuid = connector.get('node_uuid')
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try:
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node = api_utils.replace_node_uuid_with_id(connector)
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owner = node.owner
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lessee = node.lessee
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except exception.NotFound:
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raise_node_not_found = True
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api_utils.check_owner_policy('node', 'baremetal:volume:create',
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owner, lessee=lessee, conceal_node=False)
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if raise_node_not_found:
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raise exception.InvalidInput(fieldname='node_uuid',
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value=node_uuid)
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if self.parent_node_ident:
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raise exception.OperationNotPermitted()
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# NOTE(hshiina): UUID is mandatory for notification payload
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if not connector.get('uuid'):
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connector['uuid'] = uuidutils.generate_uuid()
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new_connector = objects.VolumeConnector(context, **connector)
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notify.emit_start_notification(context, new_connector, 'create',
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node_uuid=node.uuid)
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with notify.handle_error_notification(context, new_connector,
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'create',
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node_uuid=node.uuid):
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new_connector.create()
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notify.emit_end_notification(context, new_connector, 'create',
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node_uuid=node.uuid)
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# Set the HTTP Location Header
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api.response.location = link.build_url('volume/connectors',
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new_connector.uuid)
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return convert_with_links(new_connector)
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@METRICS.timer('VolumeConnectorsController.patch')
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@method.expose()
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@method.body('patch')
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@args.validate(connector_uuid=args.uuid, patch=args.patch)
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def patch(self, connector_uuid, patch):
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"""Update an existing volume connector.
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:param connector_uuid: UUID of a volume connector.
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:param patch: a json PATCH document to apply to this volume connector.
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:returns: API-serializable volume connector object.
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:raises: OperationNotPermitted if accessed with specifying a
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parent node.
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:raises: PatchError if a given patch can not be applied.
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:raises: VolumeConnectorNotFound if no volume connector exists with
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the specified UUID.
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:raises: InvalidParameterValue if the volume connector's UUID is being
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changed
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:raises: NodeLocked if node is locked by another conductor
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:raises: NodeNotFound if the node associated with the connector does
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not exist
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:raises: VolumeConnectorTypeAndIdAlreadyExists if another connector
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already exists with the same values for type and connector_id
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fields
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:raises: InvalidUUID if invalid node UUID is passed in the patch.
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:raises: InvalidStateRequested If a node associated with the
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volume connector is not powered off.
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"""
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context = api.request.context
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rpc_connector, rpc_node = api_utils.check_volume_policy_and_retrieve(
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'baremetal:volume:update',
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connector_uuid,
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target=False)
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if self.parent_node_ident:
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raise exception.OperationNotPermitted()
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api_utils.patch_validate_allowed_fields(patch, PATCH_ALLOWED_FIELDS)
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for value in api_utils.get_patch_values(patch, '/node_uuid'):
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if not uuidutils.is_uuid_like(value):
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message = _("Expected a UUID for node_uuid, but received "
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"%(uuid)s.") % {'uuid': str(value)}
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raise exception.InvalidUUID(message=message)
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connector_dict = rpc_connector.as_dict()
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# NOTE(smoriya):
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# 1) Remove node_id because it's an internal value and
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# not present in the API object
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# 2) Add node_uuid
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rpc_node = api_utils.replace_node_id_with_uuid(connector_dict)
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connector_dict = api_utils.apply_jsonpatch(connector_dict, patch)
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try:
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if connector_dict['node_uuid'] != rpc_node.uuid:
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rpc_node = objects.Node.get(
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api.request.context, connector_dict['node_uuid'])
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except exception.NodeNotFound as e:
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# Change error code because 404 (NotFound) is inappropriate
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# response for a PATCH request to change a Port
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e.code = http_client.BAD_REQUEST # BadRequest
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raise
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api_utils.patched_validate_with_schema(
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connector_dict, CONNECTOR_SCHEMA, CONNECTOR_VALIDATOR)
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api_utils.patch_update_changed_fields(
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connector_dict, rpc_connector,
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fields=objects.VolumeConnector.fields,
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schema=CONNECTOR_SCHEMA, id_map={'node_id': rpc_node.id}
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)
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notify.emit_start_notification(context, rpc_connector, 'update',
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node_uuid=rpc_node.uuid)
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with notify.handle_error_notification(context, rpc_connector, 'update',
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node_uuid=rpc_node.uuid):
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topic = api.request.rpcapi.get_topic_for(rpc_node)
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new_connector = api.request.rpcapi.update_volume_connector(
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context, rpc_connector, topic)
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api_connector = convert_with_links(new_connector)
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notify.emit_end_notification(context, new_connector, 'update',
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node_uuid=rpc_node.uuid)
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return api_connector
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@METRICS.timer('VolumeConnectorsController.delete')
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@method.expose(status_code=http_client.NO_CONTENT)
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@args.validate(connector_uuid=args.uuid)
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def delete(self, connector_uuid):
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"""Delete a volume connector.
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:param connector_uuid: UUID of a volume connector.
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:raises: OperationNotPermitted if accessed with specifying a
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parent node.
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:raises: NodeLocked if node is locked by another conductor
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:raises: NodeNotFound if the node associated with the connector does
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not exist
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:raises: VolumeConnectorNotFound if the volume connector cannot be
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found
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:raises: InvalidStateRequested If a node associated with the
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volume connector is not powered off.
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"""
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context = api.request.context
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rpc_connector, rpc_node = api_utils.check_volume_policy_and_retrieve(
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'baremetal:volume:delete',
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connector_uuid,
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target=False)
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if self.parent_node_ident:
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raise exception.OperationNotPermitted()
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notify.emit_start_notification(context, rpc_connector, 'delete',
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node_uuid=rpc_node.uuid)
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with notify.handle_error_notification(context, rpc_connector,
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'delete',
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node_uuid=rpc_node.uuid):
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topic = api.request.rpcapi.get_topic_for(rpc_node)
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api.request.rpcapi.destroy_volume_connector(context,
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rpc_connector, topic)
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notify.emit_end_notification(context, rpc_connector, 'delete',
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node_uuid=rpc_node.uuid)
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