Load Balancing as a Service (LBaaS) for OpenStack
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# Copyright 2015 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.
# make sure PYTHONPATH includes the home directory if you didn't install
import multiprocessing as multiproc
import ssl
import sys
import gunicorn.app.base
from oslo_config import cfg
from oslo_reports import guru_meditation_report as gmr
from octavia.amphorae.backends.agent.api_server import server
from octavia.amphorae.backends.health_daemon import health_daemon
from octavia.common import service
from octavia.common import utils
from octavia import version
HM_SENDER_CMD_QUEUE = multiproc.Queue()
class AmphoraAgent(gunicorn.app.base.BaseApplication):
def __init__(self, app, options=None):
self.options = options or {}
self.application = app
super(AmphoraAgent, self).__init__()
def load_config(self):
config = {key: value for key, value in self.options.items()
if key in self.cfg.settings and value is not None}
for key, value in config.items():
self.cfg.set(key.lower(), value)
def load(self):
return self.application
# start api server
def main():
# comment out to improve logging
health_sender_proc = multiproc.Process(name='HM_sender',
health_sender_proc.daemon = True
# Initiate server class
server_instance = server.Server()
bind_ip_port = utils.ip_port_str(CONF.haproxy_amphora.bind_host,
proto = CONF.amphora_agent.agent_tls_protocol.replace('.', '_')
options = {
'bind': bind_ip_port,
'workers': 1,
'timeout': CONF.amphora_agent.agent_request_read_timeout,
'certfile': CONF.amphora_agent.agent_server_cert,
'ca_certs': CONF.amphora_agent.agent_server_ca,
'cert_reqs': ssl.CERT_REQUIRED,
'ssl_version': getattr(ssl, "PROTOCOL_%s" % proto),
'preload_app': True,
'accesslog': '/var/log/amphora-agent.log',
'errorlog': '/var/log/amphora-agent.log',
'loglevel': 'debug',
'syslog': True,
'syslog_facility': 'local{}'.format(
'syslog_addr': 'unix://run/rsyslog/octavia/log#dgram',
AmphoraAgent(server_instance.app, options).run()