senlin/senlin/common/service.py

87 lines
2.6 KiB
Python

# 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.
from oslo_log import log as logging
from oslo_service import service
from oslo_service import sslutils
from oslo_service import wsgi
from oslo_utils import netutils
import senlin.conf
from senlin import version
CONF = senlin.conf.CONF
LOG = logging.getLogger(__name__)
class Service(service.Service):
def __init__(self, name, host, topic, threads=None):
threads = threads or 1000
super(Service, self).__init__(threads)
self.name = name
self.host = host
self.topic = topic
def start(self):
LOG.info('Starting %(name)s service (version: %(version)s)',
{
'name': self.name,
'version': version.version_info.version_string()
})
super(Service, self).start()
def stop(self, graceful=True):
LOG.info('Stopping %(name)s service', {'name': self.name})
super(Service, self).stop(graceful)
class WSGIService(service.Service):
def __init__(self, app, name, listen, max_url_len=None):
super(WSGIService, self).__init__(CONF.senlin_api.threads)
self.app = app
self.name = name
self.listen = listen
self.servers = []
for address in self.listen:
host, port = netutils.parse_host_port(address)
server = wsgi.Server(
CONF, name, app,
host=host,
port=port,
pool_size=CONF.senlin_api.threads,
use_ssl=sslutils.is_enabled(CONF),
max_url_len=max_url_len
)
self.servers.append(server)
def start(self):
for server in self.servers:
server.start()
super(WSGIService, self).start()
def stop(self, graceful=True):
for server in self.servers:
server.stop()
super(WSGIService, self).stop(graceful)
def wait(self):
for server in self.servers:
server.wait()
super(WSGIService, self).wait()