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54 lines
1.7 KiB
54 lines
1.7 KiB
9 years ago
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# Licensed to the Apache Software Foundation (ASF) under one or more
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# contributor license agreements. See the NOTICE file distributed with
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# this work for additional information regarding copyright ownership.
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# The ASF licenses this file to You under the Apache License, Version 2.0
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# (the "License"); you may not use this file except in compliance with
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# the License. You may obtain 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,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import config_property
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class KafkaConfig(dict):
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"""A dictionary-like container class which allows for definition of overridable default values,
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which is also capable of "rendering" itself as a useable server.properties file.
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"""
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DEFAULTS = {
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config_property.PORT: 9092,
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config_property.SOCKET_RECEIVE_BUFFER_BYTES: 65536,
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config_property.LOG_DIRS: "/mnt/kafka-logs",
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config_property.ZOOKEEPER_CONNECTION_TIMEOUT_MS: 2000
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}
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def __init__(self, **kwargs):
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super(KafkaConfig, self).__init__(**kwargs)
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# Set defaults
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for key, val in self.DEFAULTS.items():
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if not self.has_key(key):
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self[key] = val
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def render(self):
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"""Render self as a series of lines key=val\n, and do so in a consistent order. """
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keys = [k for k in self.keys()]
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keys.sort()
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s = ""
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for k in keys:
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s += "%s=%s\n" % (k, str(self[k]))
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return s
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