OpenStack Orchestration (Heat)
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#!/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 API Server.
This implements an approximation of the Amazon CloudWatch API and translates it
into a native representation. It then calls the heat-engine via AMQP RPC to
implement them.
"""
import eventlet
eventlet.monkey_patch(os=False)
import sys
from oslo_config import cfg
import oslo_i18n as i18n
from oslo_log import log as logging
from oslo_reports import guru_meditation_report as gmr
from oslo_service import systemd
import six
from heat.common import config
from heat.common import messaging
from heat.common import profiler
from heat.common import wsgi
from heat import version
i18n.enable_lazy()
LOG = logging.getLogger('heat.api.cloudwatch')
def launch_cloudwatch_api(setup_logging=True):
if setup_logging:
logging.register_options(cfg.CONF)
cfg.CONF(project='heat',
prog='heat-api-cloudwatch',
version=version.version_info.version_string())
if setup_logging:
logging.setup(cfg.CONF, 'heat-api-cloudwatch')
logging.set_defaults()
config.set_config_defaults()
messaging.setup()
app = config.load_paste_app()
port = cfg.CONF.heat_api_cloudwatch.bind_port
host = cfg.CONF.heat_api_cloudwatch.bind_host
LOG.info('Starting Heat CloudWatch API on %(host)s:%(port)s',
{'host': host, 'port': port})
profiler.setup('heat-api-cloudwatch', host)
gmr.TextGuruMeditation.setup_autorun(version)
server = wsgi.Server('heat-api-cloudwatch',
cfg.CONF.heat_api_cloudwatch)
server.start(app, default_port=port)
return server
def main():
try:
server = launch_cloudwatch_api()
systemd.notify_once()
server.wait()
except RuntimeError as e:
msg = six.text_type(e)
sys.exit("ERROR: %s" % msg)