305 lines
12 KiB
Python
305 lines
12 KiB
Python
# Copyright 2014 NetApp
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# All Rights Reserved.
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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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"""The shares api."""
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from oslo.db import exception as db_exception
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import six
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import webob
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from webob import exc
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from manila.api.openstack import wsgi
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from manila.api.views import share_networks as share_networks_views
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from manila.api import xmlutil
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from manila.db import api as db_api
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from manila import exception
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from manila.i18n import _
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from manila.openstack.common import log as logging
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from manila import policy
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from manila import quota
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from manila.share import rpcapi as share_rpcapi
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RESOURCE_NAME = 'share_network'
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RESOURCES_NAME = 'share_networks'
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LOG = logging.getLogger(__name__)
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QUOTAS = quota.QUOTAS
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SHARE_NETWORK_ATTRS = (
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'id',
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'project_id',
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'user_id',
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'created_at',
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'updated_at',
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'neutron_net_id',
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'neutron_subnet_id',
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'network_type',
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'segmentation_id',
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'cidr',
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'ip_version',
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'name',
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'description',
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)
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def _make_share_network(elem):
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for attr in SHARE_NETWORK_ATTRS:
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elem.set(attr)
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class ShareNetworkTemplate(xmlutil.TemplateBuilder):
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def construct(self):
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root = xmlutil.TemplateElement(RESOURCE_NAME, selector=RESOURCE_NAME)
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_make_share_network(root)
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return xmlutil.MasterTemplate(root, 1)
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class ShareNetworksTemplate(xmlutil.TemplateBuilder):
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def construct(self):
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root = xmlutil.TemplateElement(RESOURCES_NAME)
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elem = xmlutil.SubTemplateElement(root, RESOURCE_NAME,
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selector=RESOURCES_NAME)
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_make_share_network(elem)
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return xmlutil.MasterTemplate(root, 1)
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class ShareNetworkController(wsgi.Controller):
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"""The Share Network API controller for the OpenStack API."""
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_view_builder_class = share_networks_views.ViewBuilder
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def __init__(self):
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super(ShareNetworkController, self).__init__()
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self.share_rpcapi = share_rpcapi.ShareAPI()
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@wsgi.serializers(xml=ShareNetworkTemplate)
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def show(self, req, id):
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"""Return data about the requested network info."""
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context = req.environ['manila.context']
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policy.check_policy(context, RESOURCE_NAME, 'show')
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try:
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share_network = db_api.share_network_get(context, id)
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except exception.ShareNetworkNotFound as e:
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raise exc.HTTPNotFound(explanation=six.text_type(e))
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return self._view_builder.build_share_network(share_network)
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def delete(self, req, id):
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"""Delete specified share network."""
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context = req.environ['manila.context']
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policy.check_policy(context, RESOURCE_NAME, 'delete')
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try:
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share_network = db_api.share_network_get(context, id)
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except exception.ShareNetworkNotFound as e:
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raise exc.HTTPNotFound(explanation=six.text_type(e))
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if share_network['share_servers']:
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msg = _("Cannot delete share network %s. "
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"There are share servers using it") % id
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raise exc.HTTPForbidden(explanation=msg)
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db_api.share_network_delete(context, id)
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try:
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reservations = QUOTAS.reserve(
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context, project_id=share_network['project_id'],
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share_networks=-1)
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except Exception:
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msg = _("Failed to update usages deleting share-network.")
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LOG.exception(msg)
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else:
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QUOTAS.commit(context, reservations,
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project_id=share_network['project_id'])
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return webob.Response(status_int=202)
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@wsgi.serializers(xml=ShareNetworksTemplate)
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def _get_share_networks(self, req, is_detail=True):
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"""Returns a list of share networks."""
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context = req.environ['manila.context']
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policy.check_policy(context, RESOURCE_NAME, 'index')
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search_opts = {}
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search_opts.update(req.GET)
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if search_opts.pop('all_tenants', None):
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networks = db_api.share_network_get_all(context)
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else:
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networks = db_api.share_network_get_all_by_project(
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context,
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context.project_id)
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if search_opts:
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for key, value in six.iteritems(search_opts):
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networks = [network for network in networks
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if network[key] == value]
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return self._view_builder.build_share_networks(networks, is_detail)
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@wsgi.serializers(xml=ShareNetworksTemplate)
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def index(self, req):
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"""Returns a summary list of share networks."""
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return self._get_share_networks(req, is_detail=False)
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@wsgi.serializers(xml=ShareNetworksTemplate)
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def detail(self, req):
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"""Returns a detailed list of share networks."""
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return self._get_share_networks(req)
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@wsgi.serializers(xml=ShareNetworkTemplate)
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def update(self, req, id, body):
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"""Update specified share network."""
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context = req.environ['manila.context']
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policy.check_policy(context, RESOURCE_NAME, 'update')
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if not body or RESOURCE_NAME not in body:
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raise exc.HTTPUnprocessableEntity()
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try:
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share_network = db_api.share_network_get(context, id)
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except exception.ShareNetworkNotFound as e:
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raise exc.HTTPNotFound(explanation=six.text_type(e))
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update_values = body[RESOURCE_NAME]
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if share_network['share_servers']:
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for value in update_values:
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if value not in ['name', 'description']:
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msg = _("Cannot update share network %s. It is used by "
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"share servers. Only 'name' and 'description' "
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"fields are available for update")\
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% share_network['id']
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raise exc.HTTPForbidden(explanation=msg)
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try:
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share_network = db_api.share_network_update(context,
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id,
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update_values)
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except db_exception.DBError:
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msg = "Could not save supplied data due to database error"
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raise exc.HTTPBadRequest(explanation=msg)
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return self._view_builder.build_share_network(share_network)
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@wsgi.serializers(xml=ShareNetworkTemplate)
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def create(self, req, body):
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"""Creates a new share network."""
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context = req.environ['manila.context']
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policy.check_policy(context, RESOURCE_NAME, 'create')
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if not body or RESOURCE_NAME not in body:
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raise exc.HTTPUnprocessableEntity()
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values = body[RESOURCE_NAME]
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values['project_id'] = context.project_id
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try:
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reservations = QUOTAS.reserve(context, share_networks=1)
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except exception.OverQuota as e:
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overs = e.kwargs['overs']
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usages = e.kwargs['usages']
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quotas = e.kwargs['quotas']
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def _consumed(name):
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return (usages[name]['reserved'] + usages[name]['in_use'])
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if 'share_networks' in overs:
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msg = _("Quota exceeded for %(s_pid)s, tried to create "
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"share-network (%(d_consumed)d of %(d_quota)d "
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"already consumed)")
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LOG.warn(msg, {'s_pid': context.project_id,
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'd_consumed': _consumed('share_networks'),
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'd_quota': quotas['share_networks']})
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raise exception.ShareNetworksLimitExceeded(
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allowed=quotas['share_networks'])
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else:
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try:
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share_network = db_api.share_network_create(context, values)
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except db_exception.DBError:
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msg = "Could not save supplied data due to database error"
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raise exc.HTTPBadRequest(explanation=msg)
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QUOTAS.commit(context, reservations)
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return self._view_builder.build_share_network(share_network)
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@wsgi.serializers(xml=ShareNetworkTemplate)
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def action(self, req, id, body):
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_actions = {
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'add_security_service': self._add_security_service,
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'remove_security_service': self._remove_security_service
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}
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for action, data in six.iteritems(body):
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try:
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return _actions[action](req, id, data)
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except KeyError:
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msg = _("Share networks does not have %s action") % action
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raise exc.HTTPBadRequest(explanation=msg)
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def _add_security_service(self, req, id, data):
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"""Associate share network with a given security service."""
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context = req.environ['manila.context']
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policy.check_policy(context, RESOURCE_NAME, 'add_security_service')
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share_network = db_api.share_network_get(context, id)
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if share_network['share_servers']:
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msg = _("Cannot add security services. Share network is used.")
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raise exc.HTTPForbidden(explanation=msg)
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security_service = db_api.security_service_get(
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context, data['security_service_id'])
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for attached_service in share_network['security_services']:
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if attached_service['type'] == security_service['type']:
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msg = _("Cannot add security service to share network. "
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"Security service with '%(ss_type)s' type already "
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"added to '%(sn_id)s' share network") % {
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'ss_type': security_service['type'],
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'sn_id': share_network['id']}
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raise exc.HTTPConflict(explanation=msg)
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try:
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share_network = db_api.share_network_add_security_service(
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context,
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id,
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data['security_service_id'])
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except KeyError:
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msg = "Malformed request body"
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raise exc.HTTPBadRequest(explanation=msg)
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except exception.NotFound as e:
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raise exc.HTTPNotFound(explanation=six.text_type(e))
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except exception.ShareNetworkSecurityServiceAssociationError as e:
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raise exc.HTTPBadRequest(explanation=six.text_type(e))
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return self._view_builder.build_share_network(share_network)
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def _remove_security_service(self, req, id, data):
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"""Dissociate share network from a given security service."""
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context = req.environ['manila.context']
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policy.check_policy(context, RESOURCE_NAME, 'remove_security_service')
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share_network = db_api.share_network_get(context, id)
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if share_network['share_servers']:
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msg = _("Cannot remove security services. Share network is used.")
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raise exc.HTTPForbidden(explanation=msg)
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try:
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share_network = db_api.share_network_remove_security_service(
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context,
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id,
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data['security_service_id'])
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except KeyError:
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msg = "Malformed request body"
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raise exc.HTTPBadRequest(explanation=msg)
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except exception.NotFound as e:
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raise exc.HTTPNotFound(explanation=six.text_type(e))
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except exception.ShareNetworkSecurityServiceDissociationError as e:
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raise exc.HTTPBadRequest(explanation=six.text_type(e))
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return self._view_builder.build_share_network(share_network)
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def create_resource():
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return wsgi.Resource(ShareNetworkController())
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