65 lines
2.4 KiB
Python
65 lines
2.4 KiB
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.
|
|
|
|
from oslo_config import cfg
|
|
from oslo_log import log as logging
|
|
from osprofiler import initializer
|
|
from osprofiler import profiler
|
|
|
|
from ironic.common import context
|
|
|
|
CONF = cfg.CONF
|
|
LOG = logging.getLogger(__name__)
|
|
|
|
|
|
def setup(name, host='0.0.0.0'):
|
|
"""Setup OSprofiler notifier and enable profiling.
|
|
|
|
:param name: name of the service that will be profiled
|
|
:param host: hostname or host IP address that the service will be
|
|
running on. By default host will be set to 0.0.0.0, but
|
|
specifying host name / address usage is highly recommended.
|
|
:raises TypeError: in case of invalid connection string for
|
|
a notifier backend, which is set in
|
|
osprofiler.initializer.init_from_conf.
|
|
"""
|
|
if not CONF.profiler.enabled:
|
|
return
|
|
|
|
admin_context = context.get_admin_context()
|
|
initializer.init_from_conf(conf=CONF,
|
|
context=admin_context.to_dict(),
|
|
project="ironic",
|
|
service=name,
|
|
host=host)
|
|
LOG.info("OSProfiler is enabled. Trace is generated using "
|
|
"[profiler]/hmac_keys specified in ironic.conf. "
|
|
"To disable, set [profiler]/enabled=false")
|
|
|
|
|
|
def trace_cls(name, **kwargs):
|
|
"""Wrap the OSProfiler trace_cls decorator
|
|
|
|
Wrap the OSProfiler trace_cls decorator so that it will not try to
|
|
patch the class unless OSProfiler is present and enabled in the config
|
|
|
|
:param name: The name of action. For example, wsgi, rpc, db, etc..
|
|
:param kwargs: Any other keyword args used by profiler.trace_cls
|
|
"""
|
|
def decorator(cls):
|
|
if CONF.profiler.enabled:
|
|
trace_decorator = profiler.trace_cls(name, kwargs)
|
|
return trace_decorator(cls)
|
|
return cls
|
|
|
|
return decorator
|