49 lines
2.0 KiB
Python
49 lines
2.0 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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from oslo_config import cfg
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from oslo_log import log as logging
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import oslo_messaging
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import osprofiler.notifier
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from osprofiler import opts as profiler_opts
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import osprofiler.web
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from neutron._i18n import _LI
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CONF = cfg.CONF
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profiler_opts.set_defaults(CONF)
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LOG = logging.getLogger(__name__)
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def setup(name, host='0.0.0.0'): # nosec
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"""Setup OSprofiler notifier and enable profiling.
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:param name: name of the service, that will be profiled
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:param host: host (either host name or host address) the service will be
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running on. By default host will be set to 0.0.0.0, but more
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specified host name / address usage is highly recommended.
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"""
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if CONF.profiler.enabled:
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_notifier = osprofiler.notifier.create(
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"Messaging", oslo_messaging, {},
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oslo_messaging.get_transport(CONF), "neutron", name, host)
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osprofiler.notifier.set(_notifier)
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osprofiler.web.enable(CONF.profiler.hmac_keys)
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LOG.info(_LI("OSProfiler is enabled.\n"
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"Traces provided from the profiler "
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"can only be subscribed to using the same HMAC keys that "
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"are configured in Neutron's configuration file "
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"under the [profiler] section.\n To disable OSprofiler "
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"set in /etc/neutron/neutron.conf:\n"
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"[profiler]\n"
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"enabled=false"))
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