panko/ceilometer/collector/dispatcher/file.py
Lianhao Lu 0e26faeb69 Corrected import order
Enabled H306 in tox.ini and corrected the import order.

Change-Id: If77984e8c62b0ec0cfb3d068e9c1b0d4d7c3583d
2013-11-13 14:41:33 +08:00

89 lines
2.8 KiB
Python

# -*- encoding: utf-8 -*-
#
# Copyright 2013 IBM Corp
#
# Author: Tong Li <litong01@us.ibm.com>
#
# 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.
import logging
import logging.handlers
from oslo.config import cfg
from ceilometer.collector import dispatcher
file_dispatcher_opts = [
cfg.StrOpt('file_path',
default=None,
help='Name and the location of the file to record '
'meters.'),
cfg.IntOpt('max_bytes',
default=0,
help='The max size of the file'),
cfg.IntOpt('backup_count',
default=0,
help='The max number of the files to keep'),
]
cfg.CONF.register_opts(file_dispatcher_opts, group="dispatcher_file")
class FileDispatcher(dispatcher.Base):
'''Dispatcher class for recording metering data to a file.
The dispatcher class which logs each meter into a file configured in
ceilometer configuration file. An example configuration may look like the
following:
[dispatcher_file]
file_path = /tmp/meters
To enable this dispatcher, the following section needs to be present in
ceilometer.conf file
[collector]
dispatchers = file
'''
def __init__(self, conf):
super(FileDispatcher, self).__init__(conf)
self.log = None
# if the directory and path are configured, then log to the file
if self.conf.dispatcher_file.file_path:
dispatcher_logger = logging.Logger('dispather.file')
dispatcher_logger.setLevel(logging.INFO)
# create rotating file handler which logs meters
rfh = logging.handlers.RotatingFileHandler(
self.conf.dispatcher_file.file_path,
maxBytes=self.conf.dispatcher_file.max_bytes,
backupCount=self.conf.dispatcher_file.backup_count,
encoding='utf8')
rfh.setLevel(logging.INFO)
# Only wanted the meters to be saved in the file, not the
# project root logger.
dispatcher_logger.propagate = False
dispatcher_logger.addHandler(rfh)
self.log = dispatcher_logger
def record_metering_data(self, context, data):
if self.log:
self.log.info(data)
def record_events(self, events):
if self.log:
self.log.info(events)
return []