ironic/ironic/common/config.py
Ramamani Yeleswarapu 3773f17403 Enable OSProfiler support in Ironic
This patch does the following:
* Adds osprofiler wsgi middleware
  This middleware is used for 2 things:
  - It checks that person who wants to trace is trusted and knows
    secret HMAC key.
  - It starts tracing in case of proper trace headers
    and adds first wsgi trace point, with info about HTTP request.

* Adds initialization of osprofiler at start of service
  - Initialize and set an oslo.messaging based notifier instance
    to osprofiler, which will be used to send notifications to Ceilometer.

* Traces HTTP/RPC/DB API calls and SQL requests

NOTE to test this patch:
1) Make the following changes in localrc to configure DevStack to enable
   OSProfiler:

   enable_plugin panko https://git.openstack.org/openstack/panko
   enable_plugin ceilometer https://git.openstack.org/openstack/ceilometer
   enable_plugin osprofiler https://git.openstack.org/openstack/osprofiler

   # Enable the following services
   CEILOMETER_NOTIFICATION_TOPICS=notifications,profiler
   ENABLED_SERVICES+=,ceilometer-acompute,ceilometer-acentral
   ENABLED_SERVICES+=,ceilometer-anotification,ceilometer-collector
   ENABLED_SERVICES+=,ceilometer-alarm-evaluator,ceilometer-alarm-notifier
   ENABLED_SERVICES+=,ceilometer-api

NOTE: the order of enabling plugins matters.

2) Run stack.sh. Once DevStack environment is setup, enable profiler options
   in ironic.conf and restart ironic services:
   [profiler]
   enabled = true
   hmac_keys = SECRET_KEY
   trace_sqlalchemy = true

3) Use openstackclient and run baremetal command with
   --os-profile SECRET_KEY
   [--profile can be used, but it is deprecated.]
   For example, the following will cause the <trace-id> to be printed
   after node list:

   $ openstack --os-profile SECRET_KEY baremetal node list
   .....
   .....
   Trace ID: <trace-id>
   Display trace with command:
   osprofiler trace show --html <trace-id>

4) The trace results can be saved using this command:

   $ osprofiler trace show --html <trace-id> --out trace.html

OSprofiler spec: https://review.openstack.org/#/c/103825/

Co-Authored-By: Tovin Seven <vinhnt@vn.fujitsu.com>
Co-Authored-By: Hieu LE <hieulq@vn.fujitsu.com>

Partial-Bug: #1560704

Change-Id: Icd3d7c62cf7442de8a77fc67f119ae9b03725f02
2017-07-07 15:58:28 -07:00

33 lines
1.2 KiB
Python

# Copyright 2010 United States Government as represented by the
# Administrator of the National Aeronautics and Space Administration.
# All Rights Reserved.
# Copyright 2012 Red Hat, Inc.
#
# 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
import osprofiler.opts as profiler_opts
from ironic.common import rpc
from ironic import version
def parse_args(argv, default_config_files=None):
rpc.set_defaults(control_exchange='ironic')
cfg.CONF(argv[1:],
project='ironic',
version=version.version_info.release_string(),
default_config_files=default_config_files)
rpc.init(cfg.CONF)
profiler_opts.set_defaults(cfg.CONF)