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