heat/bin/heat-engine
Clint Byrum 5604168784 Default engine workers to the number of CPUs
The engine is single-threaded and thus needs more workers to handle more
concurrent requests on a single machine.

Change-Id: I36117c3876f84a2ff7ba5576444fdbf7716cc69e
2014-05-15 12:24:18 -04:00

73 lines
2.3 KiB
Python
Executable File

#!/usr/bin/env python
#
# 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 Engine Server. This does the work of actually implementing the API
calls made by the user. Normal communications is done via the heat API
which then calls into this engine.
"""
import eventlet
eventlet.monkey_patch()
import multiprocessing
import os
import sys
# If ../heat/__init__.py exists, add ../ to Python search path, so that
# it will override what happens to be installed in /usr/(local/)lib/python...
POSSIBLE_TOPDIR = os.path.normpath(os.path.join(os.path.abspath(sys.argv[0]),
os.pardir,
os.pardir))
if os.path.exists(os.path.join(POSSIBLE_TOPDIR, 'heat', '__init__.py')):
sys.path.insert(0, POSSIBLE_TOPDIR)
from heat.openstack.common import gettextutils
gettextutils.install('heat', lazy=False)
from oslo.config import cfg
from heat.common import notify
from heat.openstack.common import log as logging
from heat.openstack.common import service
from heat.rpc import api as rpc_api
LOG = logging.getLogger('heat.engine')
if __name__ == '__main__':
cfg.CONF(project='heat', prog='heat-engine')
cfg.CONF.default_log_levels = ['amqplib=WARN',
'sqlalchemy=WARN',
'qpid.messaging=INFO',
'keystone=INFO',
'eventlet.wsgi.server=WARN',
]
logging.setup('heat')
from heat.engine import service as engine
num_workers = cfg.CONF.num_engine_workers
if num_workers == -1:
num_workers = multiprocessing.cpu_count()
srv = engine.EngineService(cfg.CONF.host, rpc_api.ENGINE_TOPIC)
launcher = service.launch(srv, workers=num_workers)
notify.startup_notify(cfg.CONF.onready)
launcher.wait()