e575760d3c
It also make required keystone config changes as part of devstack plugin, which helps the functional test cases to successfully complete and it makes inline with existing tacker conf. Closes-bug: #1592247 Change-Id: I545ceb2c9e61c22dbd8a0e1ee39a6e4fa24f8e88
118 lines
3.3 KiB
Python
118 lines
3.3 KiB
Python
# Copyright 2011 VMware, Inc
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# All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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import logging as std_logging
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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 oslo_service import service
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from oslo_utils import excutils
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from tacker.common import config
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from tacker import wsgi
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service_opts = [
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cfg.IntOpt('periodic_interval',
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default=40,
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help=_('Seconds between running periodic tasks')),
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cfg.IntOpt('api_workers',
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default=0,
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help=_('Number of separate worker processes for service')),
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cfg.IntOpt('periodic_fuzzy_delay',
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default=5,
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help=_('Range of seconds to randomly delay when starting the '
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'periodic task scheduler to reduce stampeding. '
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'(Disable by setting to 0)')),
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]
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CONF = cfg.CONF
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CONF.register_opts(service_opts)
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def config_opts():
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return [(None, service_opts)]
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LOG = logging.getLogger(__name__)
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class WsgiService(service.ServiceBase):
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"""Base class for WSGI based services.
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For each api you define, you must also define these flags:
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:<api>_listen: The address on which to listen
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:<api>_listen_port: The port on which to listen
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"""
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def __init__(self, app_name):
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self.app_name = app_name
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self.wsgi_app = None
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def start(self):
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self.wsgi_app = _run_wsgi(self.app_name)
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def wait(self):
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if self.wsgi_app:
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self.wsgi_app.wait()
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def stop(self):
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pass
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def reset(self):
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pass
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class TackerApiService(WsgiService):
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"""Class for tacker-api service."""
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@classmethod
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def create(cls, app_name='tacker'):
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# Setup logging early
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config.setup_logging(cfg.CONF)
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# Dump the initial option values
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cfg.CONF.log_opt_values(LOG, std_logging.DEBUG)
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service = cls(app_name)
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return service
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def serve_wsgi(cls):
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try:
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service = cls.create()
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except Exception:
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with excutils.save_and_reraise_exception():
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LOG.exception(_('Unrecoverable error: please check log '
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'for details.'))
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return service
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def _run_wsgi(app_name):
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app = config.load_paste_app(app_name)
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if not app:
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LOG.error(_('No known API applications configured.'))
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return
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server = wsgi.Server("Tacker")
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server.start(app, cfg.CONF.bind_port, cfg.CONF.bind_host,
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workers=cfg.CONF.api_workers)
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# Dump all option values here after all options are parsed
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cfg.CONF.log_opt_values(LOG, std_logging.DEBUG)
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LOG.info(_("Tacker service started, listening on %(host)s:%(port)s"),
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{'host': cfg.CONF.bind_host,
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'port': cfg.CONF.bind_port})
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return server
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