RETIRED, Function as a Service for OpenStack
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# Copyright 2017 Catalyst IT Limited
#
# 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_concurrency import processutils
from oslo_config import cfg
from oslo_log import log as logging
from oslo_service import service
from oslo_service import wsgi
from qinling.api import app
CONF = cfg.CONF
LOG = logging.getLogger(__name__)
class WSGIService(service.ServiceBase):
"""Provides ability to launch Qinling API from wsgi app."""
def __init__(self):
self.app = app.setup_app()
self.workers = CONF.api.api_workers
if self.workers is not None and self.workers < 1:
LOG.warning(
"Value of config option api_workers must be integer "
"greater than 1. Input value ignored."
)
self.workers = None
self.workers = self.workers or processutils.get_worker_count()
self.server = wsgi.Server(
cfg.CONF,
"qinling_api",
self.app,
host=cfg.CONF.api.host,
port=cfg.CONF.api.port,
use_ssl=cfg.CONF.api.enable_ssl_api
)
def start(self):
self.server.start()
def stop(self):
self.server.stop()
def wait(self):
self.server.wait()
def reset(self):
self.server.reset()