本文主要是介绍logstash解析嵌套json格式数据，希望对大家解决编程问题提供一定的参考价值，需要的开发者们随着小编来一起学习吧！
现有json:
{"name":"zhangsan","friends":{"friend1":"lisi","friend2":"wangwu","msg":["haha","yaya"]}
}
将其解析为:
{"name":"zhangsan","friend1":"lisi","friend2":"wangwu","msg":["haha","yaya"]
}
logstash.conf
input
{stdin{codec => json}
}filter
{mutate{add_field => { "@friends" => "%{friends}" } #先新建一个新的字段，并将friends赋值给它}json{source => "@friends" #再进行解析remove_field => [ "@alert","alert" ] #删除不必要的字段，也可以不用这语句}
}output
{stdout { }
}
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