103 lines
3.6 KiB
Python
103 lines
3.6 KiB
Python
# 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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import os
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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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from glance.api import common
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import glance.async_
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from glance.common import config
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from glance.common import store_utils
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from glance.i18n import _
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from glance import notifier
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CONF = cfg.CONF
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CONF.import_group("profiler", "glance.common.wsgi")
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CONF.import_opt("enabled_backends", "glance.common.wsgi")
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logging.register_options(CONF)
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CONFIG_FILES = ['glance-api-paste.ini',
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'glance-image-import.conf',
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'glance-api.conf']
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# Reserved file stores for staging and tasks operations
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RESERVED_STORES = {
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'os_glance_staging_store': 'file',
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'os_glance_tasks_store': 'file'
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}
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def _get_config_files(env=None):
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if env is None:
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env = os.environ
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dirname = env.get('OS_GLANCE_CONFIG_DIR', '/etc/glance').strip()
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config_files = []
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for config_file in CONFIG_FILES:
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cfg_file = os.path.join(dirname, config_file)
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# As 'glance-image-import.conf' is optional conf file
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# so include it only if it's existing.
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if config_file == 'glance-image-import.conf' and (
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not os.path.exists(cfg_file)):
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continue
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config_files.append(cfg_file)
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return config_files
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def _setup_os_profiler():
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notifier.set_defaults()
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if CONF.profiler.enabled:
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osprofiler.initializer.init_from_conf(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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def init_app():
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config.set_config_defaults()
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config_files = _get_config_files()
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CONF([], project='glance', default_config_files=config_files)
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logging.setup(CONF, "glance")
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# NOTE(danms): We are running inside uwsgi or mod_wsgi, so no eventlet;
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# use native threading instead.
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glance.async_.set_threadpool_model('native')
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# NOTE(danms): Change the default threadpool size since we
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# are dealing with native threads and not greenthreads.
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# Right now, the only pool of default size is tasks_pool,
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# so if others are created this will need to change to be
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# more specific.
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common.DEFAULT_POOL_SIZE = CONF.wsgi.task_pool_threads
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if CONF.enabled_backends:
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if store_utils.check_reserved_stores(CONF.enabled_backends):
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msg = _("'os_glance_' prefix should not be used in "
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"enabled_backends config option. It is reserved "
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"for internal use only.")
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raise RuntimeError(msg)
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glance_store.register_store_opts(CONF, reserved_stores=RESERVED_STORES)
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glance_store.create_multi_stores(CONF, reserved_stores=RESERVED_STORES)
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glance_store.verify_store()
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else:
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glance_store.register_opts(CONF)
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glance_store.create_stores(CONF)
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glance_store.verify_default_store()
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_setup_os_profiler()
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return config.load_paste_app('glance-api')
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