manila/manila/api/v2/share_network_subnets.py

239 lines
10 KiB
Python

# Copyright 2019 NetApp, Inc.
# All Rights Reserved.
#
# 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 http import client as http_client
from manila.api import common
from oslo_db import exception as db_exception
from oslo_log import log
import webob
from webob import exc
from manila.api import common as api_common
from manila.api.openstack import api_version_request as api_version
from manila.api.openstack import wsgi
from manila.api.v2 import metadata as metadata_controller
from manila.api.views import share_network_subnets as subnet_views
from manila.db import api as db_api
from manila import exception
from manila.i18n import _
from manila import share
from manila.share import rpcapi as share_rpcapi
LOG = log.getLogger(__name__)
class ShareNetworkSubnetController(wsgi.Controller,
metadata_controller.MetadataController):
"""The Share Network Subnet API controller for the OpenStack API."""
resource_name = 'share_network_subnet'
_view_builder_class = subnet_views.ViewBuilder
def __init__(self):
super(ShareNetworkSubnetController, self).__init__()
self.share_rpcapi = share_rpcapi.ShareAPI()
self.share_api = share.API()
@wsgi.Controller.api_version("2.51")
@wsgi.Controller.authorize
def index(self, req, share_network_id):
"""Returns a list of share network subnets."""
context = req.environ['manila.context']
try:
share_network = db_api.share_network_get(context, share_network_id)
except exception.ShareNetworkNotFound as e:
raise exc.HTTPNotFound(explanation=e.msg)
return self._view_builder.build_share_network_subnets(
req, share_network.get('share_network_subnets'))
def _all_share_servers_are_auto_deletable(self, share_network_subnet):
return all([ss['is_auto_deletable'] for ss
in share_network_subnet['share_servers']])
@wsgi.Controller.api_version('2.51')
@wsgi.Controller.authorize
def delete(self, req, share_network_id, share_network_subnet_id):
"""Delete specified share network subnet."""
context = req.environ['manila.context']
try:
db_api.share_network_get(context, share_network_id)
except exception.ShareNetworkNotFound as e:
raise exc.HTTPNotFound(explanation=e.msg)
try:
share_network_subnet = db_api.share_network_subnet_get(
context, share_network_subnet_id)
except exception.ShareNetworkSubnetNotFound as e:
raise exc.HTTPNotFound(explanation=e.msg)
for share_server in share_network_subnet['share_servers'] or []:
shares = db_api.share_instance_get_all_by_share_server(
context, share_server['id'])
if shares:
msg = _("Cannot delete share network subnet %(id)s, it has "
"one or more shares.") % {
'id': share_network_subnet_id}
LOG.error(msg)
raise exc.HTTPConflict(explanation=msg)
# NOTE(silvacarlose): Do not allow the deletion of any share server
# if any of them has the flag is_auto_deletable = False
if not self._all_share_servers_are_auto_deletable(
share_network_subnet):
msg = _("The service cannot determine if there are any "
"non-managed shares on the share network subnet %(id)s,"
"so it cannot be deleted. Please contact the cloud "
"administrator to rectify.") % {
'id': share_network_subnet_id}
LOG.error(msg)
raise exc.HTTPConflict(explanation=msg)
for share_server in share_network_subnet['share_servers']:
self.share_rpcapi.delete_share_server(context, share_server)
db_api.share_network_subnet_delete(context, share_network_subnet_id)
return webob.Response(status_int=http_client.ACCEPTED)
@wsgi.Controller.api_version("2.51")
@wsgi.Controller.authorize
def create(self, req, share_network_id, body):
"""Add a new share network subnet into the share network."""
context = req.environ['manila.context']
if not self.is_valid_body(body, 'share-network-subnet'):
msg = _("Share Network Subnet is missing from the request body.")
raise exc.HTTPBadRequest(explanation=msg)
data = body['share-network-subnet']
if req.api_version_request >= api_version.APIVersionRequest("2.78"):
api_common.check_metadata_properties(data.get('metadata'))
else:
data.pop('metadata', None)
data['share_network_id'] = share_network_id
multiple_subnet_support = (req.api_version_request >=
api_version.APIVersionRequest("2.70"))
share_network, existing_subnets = common.validate_subnet_create(
context, share_network_id, data, multiple_subnet_support)
# create subnet operation on subnets with share servers means that an
# allocation update is requested.
if existing_subnets and existing_subnets[0]['share_servers']:
# NOTE(felipe_rodrigues): all subnets have the same set of share
# servers, so we can just get the servers from one of them. Not
# necessarily all share servers from the specified AZ will be
# updated, only the ones created with subnets in the AZ. Others
# created with default AZ will only have its allocations updated
# when default subnet set is updated.
data['share_servers'] = existing_subnets[0]['share_servers']
try:
share_network_subnet = (
self.share_api.update_share_server_network_allocations(
context, share_network, data))
except exception.ServiceIsDown as e:
msg = _('Could not add the share network subnet.')
LOG.error(e)
raise exc.HTTPInternalServerError(explanation=msg)
except exception.InvalidShareNetwork as e:
raise exc.HTTPBadRequest(explanation=e.msg)
except db_exception.DBError as e:
msg = _('Could not add the share network subnet.')
LOG.error(e)
raise exc.HTTPInternalServerError(explanation=msg)
else:
try:
share_network_subnet = db_api.share_network_subnet_create(
context, data)
except db_exception.DBError as e:
msg = _('Could not create the share network subnet.')
LOG.error(e)
raise exc.HTTPInternalServerError(explanation=msg)
share_network_subnet = db_api.share_network_subnet_get(
context, share_network_subnet['id'])
return self._view_builder.build_share_network_subnet(
req, share_network_subnet)
@wsgi.Controller.api_version('2.51')
@wsgi.Controller.authorize
def show(self, req, share_network_id, share_network_subnet_id):
"""Show share network subnet."""
context = req.environ['manila.context']
try:
db_api.share_network_get(context, share_network_id)
except exception.ShareNetworkNotFound as e:
raise exc.HTTPNotFound(explanation=e.msg)
try:
share_network_subnet = db_api.share_network_subnet_get(
context, share_network_subnet_id)
except exception.ShareNetworkSubnetNotFound as e:
raise exc.HTTPNotFound(explanation=e.msg)
return self._view_builder.build_share_network_subnet(
req, share_network_subnet)
@wsgi.Controller.api_version("2.78")
@wsgi.Controller.authorize("get_metadata")
def index_metadata(self, req, share_network_id, resource_id):
"""Returns the list of metadata for a given share network subnet."""
return self._index_metadata(req, resource_id,
parent_id=share_network_id)
@wsgi.Controller.api_version("2.78")
@wsgi.Controller.authorize("update_metadata")
def create_metadata(self, req, share_network_id, resource_id, body):
"""Create metadata for a given share network subnet."""
return self._create_metadata(req, resource_id, body,
parent_id=share_network_id)
@wsgi.Controller.api_version("2.78")
@wsgi.Controller.authorize("update_metadata")
def update_all_metadata(self, req, share_network_id, resource_id, body):
"""Update entire metadata for a given share network subnet."""
return self._update_all_metadata(req, resource_id, body,
parent_id=share_network_id)
@wsgi.Controller.api_version("2.78")
@wsgi.Controller.authorize("update_metadata")
def update_metadata_item(self, req, share_network_id, resource_id, body,
key):
"""Update metadata item for a given share network subnet."""
return self._update_metadata_item(req, resource_id, body, key,
parent_id=share_network_id)
@wsgi.Controller.api_version("2.78")
@wsgi.Controller.authorize("get_metadata")
def show_metadata(self, req, share_network_id, resource_id, key):
"""Show metadata for a given share network subnet."""
return self._show_metadata(req, resource_id, key,
parent_id=share_network_id)
@wsgi.Controller.api_version("2.78")
@wsgi.Controller.authorize("delete_metadata")
def delete_metadata(self, req, share_network_id, resource_id, key):
"""Delete metadata for a given share network subnet."""
return self._delete_metadata(req, resource_id, key,
parent_id=share_network_id)
def create_resource():
return wsgi.Resource(ShareNetworkSubnetController())