manila/manila/api/contrib/scheduler_stats.py

64 lines
2.1 KiB
Python

# Copyright (c) 2014 eBay Inc.
# Copyright (c) 2015 Rushil Chugh
# 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.
"""The Scheduler Stats extension"""
from manila.api import extensions
from manila.api.openstack import wsgi
from manila.api.views import scheduler_stats as scheduler_stats_view
from manila.scheduler import rpcapi
def authorize(context, action_name):
action = 'scheduler_stats:%s' % action_name
extensions.extension_authorizer('scheduler', action)(context)
class SchedulerStatsController(wsgi.Controller):
"""The Scheduler Stats controller for the OpenStack API."""
_view_builder_class = scheduler_stats_view.ViewBuilder
def __init__(self):
self.scheduler_api = rpcapi.SchedulerAPI()
super(SchedulerStatsController, self).__init__()
def get_pools(self, req):
"""List all active pools in scheduler."""
context = req.environ['manila.context']
authorize(context, 'get_pools')
detail = req.params.get('detail', False)
pools = self.scheduler_api.get_pools(context, filters=None)
return self._view_builder.pools(req, pools, detail)
class Scheduler_stats(extensions.ExtensionDescriptor):
"""Scheduler stats support."""
name = "Scheduler_stats"
alias = "scheduler-stats"
updated = "2015-08-01T00:00:00+00:00"
def get_resources(self):
res = extensions.ResourceExtension(
Scheduler_stats.alias,
SchedulerStatsController(),
collection_actions={"get_pools": "GET"})
return [res]