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53 lines
1.7 KiB
53 lines
1.7 KiB
# 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-data-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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