131 lines
4.6 KiB
Python
131 lines
4.6 KiB
Python
#!/usr/bin/env python
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# Copyright 2010 United States Government as represented by the
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# Administrator of the National Aeronautics and Space Administration.
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# Copyright 2011 OpenStack Foundation
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# All Rights Reserved.
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#
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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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"""
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Glance API Server
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"""
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import os
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import sys
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import eventlet
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# NOTE(jokke): As per the eventlet commit
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# b756447bab51046dfc6f1e0e299cc997ab343701 there's circular import happening
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# which can be solved making sure the hubs are properly and fully imported
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# before calling monkey_patch(). This is solved in eventlet 0.22.0 but we
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# need to address it before that is widely used around.
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eventlet.hubs.get_hub()
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if os.name == 'nt':
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# eventlet monkey patching the os module causes subprocess.Popen to fail
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# on Windows when using pipes due to missing non-blocking IO support.
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eventlet.patcher.monkey_patch(os=False)
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else:
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eventlet.patcher.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
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orig_threading.current_thread.__globals__['_active'] = threading._active
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from oslo_reports import guru_meditation_report as gmr
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from oslo_utils import encodeutils
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# If ../glance/__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, 'glance', '__init__.py')):
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sys.path.insert(0, possible_topdir)
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import glance_store
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from oslo_config import cfg
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from oslo_log import log as logging
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import osprofiler.initializer
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import glance.async_
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from glance.common import config
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from glance.common import exception
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from glance.common import wsgi
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from glance import notifier
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from glance import version
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CONF = cfg.CONF
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CONF.import_group("profiler", "glance.common.wsgi")
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logging.register_options(CONF)
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wsgi.register_cli_opts()
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# NOTE(rosmaita): Any new exceptions added should preserve the current
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# error codes for backward compatibility. The value 99 is returned
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# for errors not listed in this map.
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ERROR_CODE_MAP = {RuntimeError: 1,
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exception.WorkerCreationFailure: 2,
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glance_store.exceptions.BadStoreConfiguration: 3,
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ValueError: 4,
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cfg.ConfigFileValueError: 5}
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def fail(e):
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sys.stderr.write("ERROR: %s\n" % encodeutils.exception_to_unicode(e))
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return_code = ERROR_CODE_MAP.get(type(e), 99)
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sys.exit(return_code)
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def main():
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try:
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config.parse_args()
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config.set_config_defaults()
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wsgi.set_eventlet_hub()
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logging.setup(CONF, 'glance')
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gmr.TextGuruMeditation.setup_autorun(version)
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notifier.set_defaults()
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if CONF.profiler.enabled:
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osprofiler.initializer.init_from_conf(
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conf=CONF,
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context={},
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project="glance",
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service="api",
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host=CONF.bind_host
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)
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# NOTE(danms): Configure system-wide threading model to use eventlet
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glance.async_.set_threadpool_model('eventlet')
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# NOTE(abhishekk): Added initialize_prefetcher KW argument to Server
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# object so that prefetcher object should only be initialized in case
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# of API service and ignored in case of registry. Once registry is
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# removed this parameter should be removed as well.
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initialize_prefetcher = False
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if CONF.paste_deploy.flavor == 'keystone+cachemanagement':
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initialize_prefetcher = True
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server = wsgi.Server(initialize_glance_store=True,
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initialize_prefetcher=initialize_prefetcher)
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server.start(config.load_paste_app('glance-api'), default_port=9292)
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server.wait()
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except Exception as e:
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fail(e)
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if __name__ == '__main__':
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main()
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