8fd17214a9
Monkey patch the original current_thread to use the up-to-date _active global variable. This solution is based on that documented at: https://github.com/eventlet/eventlet/issues/592 Change-Id: I0540923755ac3969b584eeba2e19c037a7f2c261 Story: 2007614
92 lines
2.7 KiB
Python
92 lines
2.7 KiB
Python
#
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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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"""Heat Engine Server.
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This does the work of actually implementing the API calls made by the user.
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Normal communications is done via the heat API which then calls into this
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engine.
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"""
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# flake8: noqa: E402
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import eventlet
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eventlet.monkey_patch()
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# Monkey patch the original current_thread to use the up-to-date _active
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# global variable. See https://bugs.launchpad.net/bugs/1863021 and
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# https://github.com/eventlet/eventlet/issues/592
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import __original_module_threading as orig_threading
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import threading # noqa
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orig_threading.current_thread.__globals__['_active'] = threading._active
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import sys
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from oslo_concurrency import processutils
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from oslo_config import cfg
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import oslo_i18n as i18n
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from oslo_log import log as logging
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from oslo_reports import guru_meditation_report as gmr
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from oslo_service import service
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from heat.common import config
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from heat.common import messaging
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from heat.common import profiler
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from heat.engine import template
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from heat.rpc import api as rpc_api
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from heat import version
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i18n.enable_lazy()
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CONF = cfg.CONF
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def launch_engine(setup_logging=True):
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if setup_logging:
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logging.register_options(CONF)
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CONF(project='heat', prog='heat-engine',
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version=version.version_info.version_string())
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if setup_logging:
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logging.setup(CONF, CONF.prog)
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logging.set_defaults()
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LOG = logging.getLogger(CONF.prog)
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messaging.setup()
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config.startup_sanity_check()
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mgr = None
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try:
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mgr = template._get_template_extension_manager()
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except template.TemplatePluginNotRegistered as ex:
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LOG.critical("%s", ex)
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if not mgr or not mgr.names():
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sys.exit("ERROR: No template format plugins registered")
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from heat.engine import service as engine # noqa
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profiler.setup(CONF.prog, CONF.host)
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gmr.TextGuruMeditation.setup_autorun(version)
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srv = engine.EngineService(CONF.host, rpc_api.ENGINE_TOPIC)
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workers = CONF.num_engine_workers
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if not workers:
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workers = max(4, processutils.get_worker_count())
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launcher = service.launch(CONF, srv, workers=workers,
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restart_method='mutate')
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return launcher
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def main():
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launcher = launch_engine()
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launcher.wait()
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