magnum/magnum/common/profiler.py
yuanpeng 71d25456d2 Remove log translations
Log messages are no longer being translated. This removes all use of
the _LE, _LI, and _LW translation markers to simplify logging and to
avoid confusion with new contributions.

See:
http://lists.openstack.org/pipermail/openstack-i18n/2016-November/002574.html
http://lists.openstack.org/pipermail/openstack-dev/2017-March/113365.html

Change-Id: If1f4bd2f6be967368f52fb367c5a428d3eb58a9d
Closes-Bug:#1674551
2017-03-30 17:05:10 +08:00

86 lines
2.5 KiB
Python

# Copyright 2017 Fujitsu Ltd.
# All Rights Reserved.
#
# 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.
###
# This code is taken from nova. Goal is minimal modification.
###
from oslo_log import log as logging
from oslo_utils import importutils
import webob.dec
from magnum.common import context
import magnum.conf
profiler = importutils.try_import("osprofiler.profiler")
profiler_initializer = importutils.try_import("osprofiler.initializer")
profiler_web = importutils.try_import("osprofiler.web")
CONF = magnum.conf.CONF
LOG = logging.getLogger(__name__)
class WsgiMiddleware(object):
def __init__(self, application, **kwargs):
self.application = application
@classmethod
def factory(cls, global_conf, **local_conf):
if profiler_web:
return profiler_web.WsgiMiddleware.factory(global_conf,
**local_conf)
def filter_(app):
return cls(app, **local_conf)
return filter_
@webob.dec.wsgify
def __call__(self, request):
return request.get_response(self.application)
def setup(binary, host):
if hasattr(CONF, 'profiler') and CONF.profiler.enabled:
profiler_initializer.init_from_conf(
conf=CONF,
context=context.get_admin_context().to_dict(),
project="magnum",
service=binary,
host=host)
LOG.info("OSprofiler is enabled.")
def trace_cls(name, **kwargs):
"""Wrap the OSprofiler trace_cls.
Wrap the OSprofiler trace_cls decorator so that it will not try to
patch the class unless OSprofiler is present.
:param name: The name of action. For example, wsgi, rpc, db, ...
:param kwargs: Any other keyword args used by profiler.trace_cls
"""
def decorator(cls):
if profiler and 'profiler' in CONF:
trace_decorator = profiler.trace_cls(name, kwargs)
return trace_decorator(cls)
return cls
return decorator