99 lines
2.8 KiB
Python
99 lines
2.8 KiB
Python
#!/usr/bin/env python
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#
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# Copyright (c) 2015-2018 Wind River Systems, Inc.
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#
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# SPDX-License-Identifier: Apache-2.0
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#
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import os
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import sys
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import signal
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import eventlet
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from oslo_config import cfg
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from oslo_log import log as logging
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from nova_api_proxy.common import config
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from nova_api_proxy.common.service import Server
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from nova_api_proxy.common import histogram
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LOG = logging.getLogger(__name__)
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eventlet.patcher.monkey_patch(all=False, socket=True, time=True,
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select=True, thread=True, os=False)
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server_opts = [
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cfg.StrOpt('osapi_proxy_listen',
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default="0.0.0.0",
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help='IP address for nova api proxy to listen'),
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cfg.IntOpt('osapi_proxy_listen_port',
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default=8774,
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help='listen port for nova api proxy'),
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cfg.BoolOpt('use_ssl',
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default=False,
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help="If True, the client is using https "),
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]
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CONF = cfg.CONF
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CONF.register_opts(server_opts)
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def process_signal_handler(signum, frame):
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if signal.SIGTERM == signum:
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LOG.info("Caught SIGTERM...")
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server.stop()
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sys.exit(0)
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elif signal.SIGHUP == signum:
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LOG.info("Caught SIGHUP...")
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if CONF.debug:
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CONF.debug = False
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else:
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CONF.debug = True
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logging.toggle_debug_log(CONF.debug)
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elif signal.SIGUSR1 == signum:
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LOG.info("Caught SIGUSR1...")
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histogram.display_histogram_data()
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elif signal.SIGUSR2 == signum:
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LOG.info("Caught SIGUSR2...")
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histogram.reset_histogram_data()
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else:
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LOG.info("Ignoring signal" % signum)
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def main():
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global server
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try:
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signal.signal(signal.SIGTERM, process_signal_handler)
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signal.signal(signal.SIGHUP, process_signal_handler)
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signal.signal(signal.SIGUSR1, process_signal_handler)
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signal.signal(signal.SIGUSR2, process_signal_handler)
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logging.register_options(cfg.CONF)
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config.parse_args(sys.argv)
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logging.setup(cfg.CONF, 'nova-api-proxy')
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should_use_ssl = CONF.use_ssl
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LOG.debug("Load paste apps")
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app = config.load_paste_app()
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pidfile = "/var/run/nova-api-proxy.pid"
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if not os.path.exists(pidfile):
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with open(pidfile, "w") as f:
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f.write(str(os.getpid()))
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# initialize the socket and app
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LOG.debug("Initialize the socket and app")
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server = Server("osapi_proxy", app, host=CONF.osapi_proxy_listen,
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port=CONF.osapi_proxy_listen_port,
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use_ssl=should_use_ssl)
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LOG.debug("Start the server")
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server.start()
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except KeyboardInterrupt:
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LOG.info("Keyboard Interrupt received.")
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pass
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except Exception as e:
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LOG.exception(e)
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sys.exit(200)
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