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#
# 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.
"""Heat All Server.
An OpenStack Heat server that can run all services.
"""
# flake8: noqa: E402
import eventlet
eventlet.monkey_patch(os=False)
# Monkey patch the original current_thread to use the up-to-date _active
# global variable. See https://bugs.launchpad.net/bugs/1863021 and
# https://github.com/eventlet/eventlet/issues/592
import __original_module_threading as orig_threading
import threading # noqa
orig_threading.current_thread.__globals__['_active'] = threading._active
import sys
from oslo_config import cfg
import oslo_i18n as i18n
from oslo_log import log as logging
from oslo_service import systemd
from heat.cmd import api
from heat.cmd import api_cfn
from heat.cmd import engine
from heat.common import config
from heat.common import messaging
from heat import version
i18n.enable_lazy()
API_LAUNCH_OPTS = {'setup_logging': False}
LAUNCH_SERVICES = {
'engine': [engine.launch_engine, {'setup_logging': False}],
'api': [api.launch_api, API_LAUNCH_OPTS],
'api_cfn': [api_cfn.launch_cfn_api, API_LAUNCH_OPTS],
}
services_opt = cfg.ListOpt(
'enabled_services',
default=['engine', 'api', 'api_cfn'],
help='Specifies the heat services that are enabled when running heat-all. '
'Valid options are all or any combination of '
'api, engine or api_cfn.'
)
cfg.CONF.register_opt(services_opt, group='heat_all')
def _start_service_threads(services):
threads = []
for option in services:
launch_func = LAUNCH_SERVICES[option][0]
kwargs = LAUNCH_SERVICES[option][1]
threads.append(eventlet.spawn(launch_func, **kwargs))
return threads
def launch_all(setup_logging=True):
if setup_logging:
logging.register_options(cfg.CONF)
cfg.CONF(project='heat', prog='heat-all',
version=version.version_info.version_string())
if setup_logging:
logging.setup(cfg.CONF, 'heat-all')
config.set_config_defaults()
messaging.setup()
return _start_service_threads(set(cfg.CONF.heat_all.enabled_services))
def main():
try:
threads = launch_all()
services = [thread.wait() for thread in threads]
systemd.notify_once()
[service.wait() for service in services]
except RuntimeError as e:
msg = str(e)
sys.exit("ERROR: %s" % msg)
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