160 lines
4.9 KiB
Python
160 lines
4.9 KiB
Python
# Copyright 2017 - Catalyst IT Limited
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain 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,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import sys
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import eventlet
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eventlet.monkey_patch(
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os=True,
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select=True,
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socket=True,
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thread=False if '--use-debugger' in sys.argv else True,
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time=True)
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import os
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# If ../qinling/__init__.py exists, add ../ to Python search path, so that
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# it will override what happens to be installed in /usr/(local/)lib/python...
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POSSIBLE_TOPDIR = os.path.normpath(os.path.join(os.path.abspath(sys.argv[0]),
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os.pardir,
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os.pardir))
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if os.path.exists(os.path.join(POSSIBLE_TOPDIR, 'qinling', '__init__.py')):
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sys.path.insert(0, POSSIBLE_TOPDIR)
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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 qinling.api import service as api_service
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from qinling import config
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from qinling.engine import service as eng_service
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from qinling import rpc
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from qinling import version
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CONF = cfg.CONF
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def launch_api():
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server = api_service.WSGIService('qinling_api')
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launcher = service.launch(CONF, server, workers=server.workers)
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launcher.wait()
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def launch_engine():
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try:
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server = eng_service.EngineService()
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launcher = service.launch(CONF, server)
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launcher.wait()
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except RuntimeError as e:
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sys.stderr.write("ERROR: %s\n" % e)
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sys.exit(1)
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def launch_any(options):
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# Launch the servers on different threads.
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threads = [eventlet.spawn(LAUNCH_OPTIONS[option])
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for option in options]
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[thread.wait() for thread in threads]
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LAUNCH_OPTIONS = {
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'api': launch_api,
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'engine': launch_engine
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}
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QINLING_TITLE = r"""
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/^L_ ,."\
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/~\ __ /~ \ ./ \
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/ _\ _/ \ /T~\|~\_\ / \_ /~| _^
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/ \ /W \ / V^\/X /~ T . \/ \ ,v-./
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,'`-. /~ ^ H , . \/ ; . \ `. \-' /
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M ~ | . ; / , _ : . ~\_,-'
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/ ~ . \ / : ' \ ,/`
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I o. ^ oP '98b - _ 9.` `\9b.
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8oO888. oO888P d888b9bo. .8o 888o. 8bo. o 988o.
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88888888888888888888888888bo.98888888bo. 98888bo. .d888P
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88888888888888888888888888888888888888888888888888888888888
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_ __ _
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___ _ (_) ___ / / (_) ___ ___ _
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/ _ `/ / / / _ \ / / / / / _ \ / _ `/
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\_, / /_/ /_//_//_/ /_/ /_//_/ \_, /
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/_/ /___/
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Function as a Service in OpenStack, version: %s
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""" % version.version_string()
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def print_server_info():
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print(QINLING_TITLE)
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comp_str = ("[%s]" % ','.join(LAUNCH_OPTIONS)
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if cfg.CONF.server == ['all'] else cfg.CONF.server)
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print('Launching server components %s...' % comp_str)
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def get_properly_ordered_parameters():
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"""Orders launch parameters in the right order.
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In oslo it's important the order of the launch parameters.
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if --config-file came after the command line parameters the command
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line parameters are ignored.
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So to make user command line parameters are never ignored this method
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moves --config-file to be always first.
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"""
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args = sys.argv[1:]
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for arg in sys.argv[1:]:
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if arg == '--config-file' or arg.startswith('--config-file='):
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if "=" in arg:
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conf_file_value = arg.split("=", 1)[1]
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else:
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conf_file_value = args[args.index(arg) + 1]
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args.remove(conf_file_value)
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args.remove(arg)
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args.insert(0, "--config-file")
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args.insert(1, conf_file_value)
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return args
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def main():
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try:
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config.parse_args(get_properly_ordered_parameters())
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print_server_info()
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logging.setup(CONF, 'Qinling')
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# Initialize RPC configuration.
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rpc.get_transport()
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if cfg.CONF.server == ['all']:
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launch_any(LAUNCH_OPTIONS.keys())
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else:
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if set(cfg.CONF.server) - set(LAUNCH_OPTIONS.keys()):
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raise Exception('Valid options are all or any combination of '
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', '.join(LAUNCH_OPTIONS.keys()))
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launch_any(set(cfg.CONF.server))
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except RuntimeError as excp:
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sys.stderr.write("ERROR: %s\n" % excp)
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sys.exit(1)
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if __name__ == '__main__':
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sys.exit(main())
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