52 lines
2.1 KiB
Python
52 lines
2.1 KiB
Python
# Licensed to the Apache Software Foundation (ASF) under one or more
|
|
# contributor license agreements. See the NOTICE file distributed with
|
|
# this work for additional information regarding copyright ownership.
|
|
# The ASF licenses this file to You 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 . import config_property
|
|
|
|
|
|
class KafkaConfig(dict):
|
|
"""A dictionary-like container class which allows for definition of overridable default values,
|
|
which is also capable of "rendering" itself as a useable server.properties file.
|
|
"""
|
|
|
|
DEFAULTS = {
|
|
config_property.SOCKET_RECEIVE_BUFFER_BYTES: 65536,
|
|
config_property.LOG_DIRS: "/mnt/kafka/kafka-data-logs-1,/mnt/kafka/kafka-data-logs-2",
|
|
config_property.METADATA_LOG_DIR: "/mnt/kafka/kafka-metadata-logs",
|
|
config_property.METADATA_LOG_SEGMENT_BYTES: str(9*1024*1024), # 9 MB
|
|
config_property.METADATA_LOG_BYTES_BETWEEN_SNAPSHOTS: str(10*1024*1024), # 10 MB
|
|
config_property.METADATA_LOG_RETENTION_BYTES: str(10*1024*1024), # 10 MB
|
|
config_property.METADATA_LOG_SEGMENT_MS: str(1*60*1000) # one minute
|
|
}
|
|
|
|
def __init__(self, **kwargs):
|
|
super(KafkaConfig, self).__init__(**kwargs)
|
|
|
|
# Set defaults
|
|
for key, val in self.DEFAULTS.items():
|
|
if key not in self:
|
|
self[key] = val
|
|
|
|
def render(self):
|
|
"""Render self as a series of lines key=val\n, and do so in a consistent order. """
|
|
keys = [k for k in self.keys()]
|
|
keys.sort()
|
|
|
|
s = ""
|
|
for k in keys:
|
|
s += "%s=%s\n" % (k, str(self[k]))
|
|
return s
|
|
|