c0379cefd9
* change pollsters and notification handlers to report units * modify db storage to store units in counters Change-Id: Ibd7e52623b84d26ca7bbc9f260c20fdf1d61a4bc Implements: blueprint provide-meter-units
142 lines
5.4 KiB
Python
142 lines
5.4 KiB
Python
#!/usr/bin/env python
|
|
# -*- encoding: utf-8 -*-
|
|
#
|
|
# Copyright © 2012 eNovance <licensing@enovance.com>
|
|
#
|
|
# Author: Julien Danjou <julien@danjou.info>
|
|
#
|
|
# 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 __future__ import absolute_import
|
|
|
|
from ceilometer import publish
|
|
from ceilometer import counter
|
|
from ceilometer.openstack.common import cfg
|
|
from ceilometer.openstack.common import context
|
|
from ceilometer.openstack.common import timeutils
|
|
|
|
from swift.common.utils import split_path
|
|
|
|
try:
|
|
# Swift >= 1.7.5
|
|
from swift.common.swob import Request
|
|
except ImportError:
|
|
from webob import Request
|
|
|
|
try:
|
|
# Swift > 1.7.5
|
|
from swift.common.utils import InputProxy
|
|
except ImportError:
|
|
# Swift <= 1.7.5
|
|
from swift.common.middleware.proxy_logging import InputProxy
|
|
|
|
|
|
class CeilometerMiddleware(object):
|
|
"""
|
|
Ceilometer middleware used for counting requests.
|
|
"""
|
|
|
|
def __init__(self, app, conf):
|
|
self.app = app
|
|
cfg.CONF([], project='ceilometer')
|
|
|
|
def __call__(self, env, start_response):
|
|
start_response_args = [None]
|
|
input_proxy = InputProxy(env['wsgi.input'])
|
|
env['wsgi.input'] = input_proxy
|
|
|
|
def my_start_response(status, headers, exc_info=None):
|
|
start_response_args[0] = (status, list(headers), exc_info)
|
|
|
|
def iter_response(iterable):
|
|
if start_response_args[0]:
|
|
start_response(*start_response_args[0])
|
|
bytes_sent = 0
|
|
try:
|
|
for chunk in iterable:
|
|
if chunk:
|
|
bytes_sent += len(chunk)
|
|
yield chunk
|
|
finally:
|
|
self.publish_counter(env,
|
|
input_proxy.bytes_received,
|
|
bytes_sent)
|
|
|
|
try:
|
|
iterable = self.app(env, my_start_response)
|
|
except Exception:
|
|
self.publish_counter(env, input_proxy.bytes_received, 0)
|
|
raise
|
|
else:
|
|
return iter_response(iterable)
|
|
|
|
@staticmethod
|
|
def publish_counter(env, bytes_received, bytes_sent):
|
|
req = Request(env)
|
|
version, account, container, obj = split_path(req.path, 1, 4, True)
|
|
now = timeutils.utcnow().isoformat()
|
|
|
|
if bytes_received:
|
|
publish.publish_counter(context.get_admin_context(),
|
|
counter.Counter(
|
|
name='storage.objects.incoming.bytes',
|
|
type='delta',
|
|
unit='B',
|
|
volume=bytes_received,
|
|
user_id=env.get('HTTP_X_USER_ID'),
|
|
project_id=env.get('HTTP_X_TENANT_ID'),
|
|
resource_id=account.partition(
|
|
'AUTH_')[2],
|
|
timestamp=now,
|
|
resource_metadata={
|
|
"path": req.path,
|
|
"version": version,
|
|
"container": container,
|
|
"object": obj,
|
|
}),
|
|
cfg.CONF.metering_topic,
|
|
cfg.CONF.metering_secret,
|
|
cfg.CONF.counter_source)
|
|
|
|
if bytes_sent:
|
|
publish.publish_counter(context.get_admin_context(),
|
|
counter.Counter(
|
|
name='storage.objects.outgoing.bytes',
|
|
type='delta',
|
|
unit='B',
|
|
volume=bytes_sent,
|
|
user_id=env.get('HTTP_X_USER_ID'),
|
|
project_id=env.get('HTTP_X_TENANT_ID'),
|
|
resource_id=account.partition(
|
|
'AUTH_')[2],
|
|
timestamp=now,
|
|
resource_metadata={
|
|
"path": req.path,
|
|
"version": version,
|
|
"container": container,
|
|
"object": obj,
|
|
}),
|
|
cfg.CONF.metering_topic,
|
|
cfg.CONF.metering_secret,
|
|
cfg.CONF.counter_source)
|
|
|
|
|
|
def filter_factory(global_conf, **local_conf):
|
|
conf = global_conf.copy()
|
|
conf.update(local_conf)
|
|
|
|
def ceilometer_filter(app):
|
|
return CeilometerMiddleware(app, conf)
|
|
return ceilometer_filter
|