87 lines
2.7 KiB
Python
87 lines
2.7 KiB
Python
#
|
|
# 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 import dispatcher
|
|
|
|
file_dispatcher_opts = [
|
|
cfg.StrOpt('file_path',
|
|
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('dispatcher.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, data):
|
|
if self.log:
|
|
self.log.info(data)
|
|
|
|
def record_events(self, events):
|
|
if self.log:
|
|
self.log.info(events)
|
|
return []
|