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Kafka权威指南(第2版)
book

Kafka权威指南(第2版)

by Gwen Shapira, Todd Palino, Rajini Sivaram, Krit Petty
November 2022
Beginner to intermediate
346 pages
11h
Chinese
Posts & Telecom Press
Content preview from Kafka权威指南(第2版)
保护
Kafka
223
.collect(Collectors.toMap(Map.Entry::getKey, Map.Entry::getValue));
return new ConfigData(data, configData.ttl());
}
@Override
public void close() {}
}
➊
通过环境变量
PASSPHRASE
来提供用于解密密码的密码短语。
➋
gpg
解密配置文件。返回值中包含了全部的解密配置参数。
➌
将配置数据解析成
Java
属性。
➍
如果遇到错误,就抛出
RuntimeException
异常。
➎
调用者可能想要获取指定文件中的部分属性,我们在这里加载所有属性,并返回调用者
请求的部分。
你可能还记得,
11.3.2
节中使用了标准的
Kafka
配置类来从外部文件加载凭证
。现在可以
gpg
来加密这个文件。
gpg --symmetric --output credentials.props.gpg \
--passphrase "$PASSPHRASE" credentials.props
现在在原始属性文件中添加间接配置和提供程序,这样
Kafka
客户端就可以从被加密的文
件中加载它们的证书了。
username=${gpg:/path/to/credentials.props.gpg:username}
password=${gpg:/path/to/credentials.props.gpg:password}
config.providers=gpg ...
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Publisher Resources

ISBN: 9787115601421