aodh/tests/collector/dispatcher/test_file.py
Tong Li 70226205fd Multiple dispatcher enablement
Ceilometer does not allow multiple dispatchers to be configured.
With this implementation, a deployment can be configured to have
multiple dispatchers to direct the meters to database and other
outlet.

blueprint multi-dispatcher-enablement

Change-Id: I68c731f65d198d4fa1220f75752f242e74355dfe
2013-07-17 09:59:50 -04:00

106 lines
3.7 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.
"""Tests for ceilometer/collector/dispatcher/file.py
"""
import os
import tempfile
import logging.handlers
from oslo.config import cfg
from ceilometer.collector.dispatcher import file
from ceilometer.publisher import rpc
from ceilometer.tests import base as tests_base
class TestDispatcherFile(tests_base.TestCase):
def setUp(self):
super(TestDispatcherFile, self).setUp()
def test_file_dispatcher_with_all_config(self):
# Create a temporaryFile to get a file name
tf = tempfile.NamedTemporaryFile('r')
filename = tf.name
tf.close()
cfg.CONF.dispatcher_file.file_path = filename
cfg.CONF.dispatcher_file.max_bytes = 50
cfg.CONF.dispatcher_file.backup_count = 5
dispatcher = file.FileDispatcher(cfg.CONF)
# The number of the handlers should be 1
self.assertEqual(1, len(dispatcher.log.handlers))
# The handler should be RotatingFileHandler
handler = dispatcher.log.handlers[0]
self.assertTrue(isinstance(handler,
logging.handlers.RotatingFileHandler))
msg = {'counter_name': 'test',
'resource_id': self.id(),
'counter_volume': 1,
}
msg['message_signature'] = rpc.compute_signature(
msg,
cfg.CONF.publisher_rpc.metering_secret,
)
# The record_metering_data method should exist and not produce errors.
dispatcher.record_metering_data(None, msg)
# After the method call above, the file should have been created.
self.assertTrue(os.path.exists(handler.baseFilename))
def test_file_dispatcher_with_path_only(self):
# Create a temporaryFile to get a file name
tf = tempfile.NamedTemporaryFile('r')
filename = tf.name
tf.close()
cfg.CONF.dispatcher_file.file_path = filename
cfg.CONF.dispatcher_file.max_bytes = None
cfg.CONF.dispatcher_file.backup_count = None
dispatcher = file.FileDispatcher(cfg.CONF)
# The number of the handlers should be 1
self.assertEqual(1, len(dispatcher.log.handlers))
# The handler should be RotatingFileHandler
handler = dispatcher.log.handlers[0]
self.assertTrue(isinstance(handler,
logging.FileHandler))
msg = {'counter_name': 'test',
'resource_id': self.id(),
'counter_volume': 1,
}
msg['message_signature'] = rpc.compute_signature(
msg,
cfg.CONF.publisher_rpc.metering_secret,
)
# The record_metering_data method should exist and not produce errors.
dispatcher.record_metering_data(None, msg)
# After the method call above, the file should have been created.
self.assertTrue(os.path.exists(handler.baseFilename))
def test_file_dispatcher_with_no_path(self):
cfg.CONF.dispatcher_file.file_path = None
dispatcher = file.FileDispatcher(cfg.CONF)
# The log should be None
self.assertIsNone(dispatcher.log)