51 lines
1.7 KiB
Python
51 lines
1.7 KiB
Python
# Copyright (c) 2014 Hewlett-Packard Development Company, L.P.
|
|
#
|
|
# 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 oslo_messaging import exceptions
|
|
from webob import exc
|
|
|
|
from heat.api.openstack.v1 import util
|
|
from heat.common.i18n import _
|
|
from heat.common import serializers
|
|
from heat.common import wsgi
|
|
from heat.rpc import client as rpc_client
|
|
|
|
|
|
class ServiceController(object):
|
|
"""
|
|
WSGI controller for reporting the heat engine status in Heat v1 API
|
|
"""
|
|
# Define request scope (must match what is in policy.json)
|
|
REQUEST_SCOPE = 'service'
|
|
|
|
def __init__(self, options):
|
|
self.options = options
|
|
self.rpc_client = rpc_client.EngineClient()
|
|
|
|
@util.policy_enforce
|
|
def index(self, req):
|
|
try:
|
|
services = self.rpc_client.list_services(req.context)
|
|
return {'services': services}
|
|
except exceptions.MessagingTimeout:
|
|
msg = _('All heat engines are down.')
|
|
raise exc.HTTPServiceUnavailable(msg)
|
|
|
|
|
|
def create_resource(options):
|
|
deserializer = wsgi.JSONRequestDeserializer()
|
|
serializer = serializers.JSONResponseSerializer()
|
|
return wsgi.Resource(ServiceController(options), deserializer, serializer)
|