86 lines
3.4 KiB
Python
86 lines
3.4 KiB
Python
# Copyright (c) 2015 Clinton Knight. 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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from webob import exc
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from manila.api.openstack import wsgi
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from manila.api.views import scheduler_stats as scheduler_stats_views
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from manila import exception
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from manila.i18n import _
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from manila.scheduler import rpcapi
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from manila.share import share_types
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class SchedulerStatsController(wsgi.Controller):
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"""The Scheduler Stats API controller for the OpenStack API."""
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resource_name = 'scheduler_stats:pools'
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def __init__(self):
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self.scheduler_api = rpcapi.SchedulerAPI()
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self._view_builder_class = scheduler_stats_views.ViewBuilder
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super(SchedulerStatsController, self).__init__()
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@wsgi.Controller.api_version('1.0', '2.22')
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@wsgi.Controller.authorize('index')
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def pools_index(self, req):
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"""Returns a list of storage pools known to the scheduler."""
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return self._pools(req, action='index')
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@wsgi.Controller.api_version('2.23') # noqa
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@wsgi.Controller.authorize('index')
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def pools_index(self, req): # pylint: disable=function-redefined
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return self._pools(req, action='index', enable_share_type=True)
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@wsgi.Controller.api_version('1.0', '2.22')
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@wsgi.Controller.authorize('detail')
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def pools_detail(self, req):
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"""Returns a detailed list of storage pools known to the scheduler."""
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return self._pools(req, action='detail')
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@wsgi.Controller.api_version('2.23') # noqa
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@wsgi.Controller.authorize('detail')
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def pools_detail(self, req): # pylint: disable=function-redefined
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return self._pools(req, action='detail', enable_share_type=True)
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def _pools(self, req, action='index', enable_share_type=False):
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context = req.environ['manila.context']
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search_opts = {}
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search_opts.update(req.GET)
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if enable_share_type:
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req_share_type = search_opts.pop('share_type', None)
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if req_share_type:
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try:
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share_type = share_types.get_share_type_by_name_or_id(
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context, req_share_type)
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search_opts['capabilities'] = share_type.get('extra_specs',
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{})
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except exception.ShareTypeNotFound:
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msg = _("Share type %s not found.") % req_share_type
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raise exc.HTTPBadRequest(explanation=msg)
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try:
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pools = self.scheduler_api.get_pools(context,
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filters=search_opts,
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cached=True)
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except exception.NotAuthorized:
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raise exc.HTTPForbidden()
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detail = (action == 'detail')
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return self._view_builder.pools(pools, detail=detail)
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def create_resource():
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return wsgi.Resource(SchedulerStatsController())
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