Source code for heat.api.openstack.v1.services

# 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


[docs]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
[docs] 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)
[docs]def create_resource(options): deserializer = wsgi.JSONRequestDeserializer() serializer = serializers.JSONResponseSerializer() return wsgi.Resource(ServiceController(options), deserializer, serializer)

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