Logstash 如何为json编写grok表达式
您好,有人能帮我写一篇关于这个json的文章吗Logstash 如何为json编写grok表达式,logstash,logstash-grok,Logstash,Logstash Grok,您好,有人能帮我写一篇关于这个json的文章吗 { "loggerFqcn":"org.apache.commons.logging.impl.SLF4JLocationAwareLog", "level":"INFO", "endOfBatch":true, "thread":"[cridtest].HTTP_Listener_Configuration.worker.01", "message":"[[Application = CorrelationID
{
"loggerFqcn":"org.apache.commons.logging.impl.SLF4JLocationAwareLog",
"level":"INFO",
"endOfBatch":true,
"thread":"[cridtest].HTTP_Listener_Configuration.worker.01",
"message":"[[Application = CorrelationID PoC] [serverTime=2017-10-20T11:43:06.932-04:00] [CorrelationID = 5dec5af0-b5ad-11e7-b80d-f8597191971c] ]",
"threadPriority":5,
"threadId":88,
"@timestamp":"2017-10-20T15:43:07.143Z",
"port":60797,
"@version":"1",
"host":"73.132.64.252",
"loggerName":"org.mule.api.processor.LoggerMessageProcessor",
"timeMillis":1508514186945
}
您可以使用此图案生成器:
https://grokdebug.herokuapp.com/
示例Grok模式
:
{%{QS}:%{QS}, %{QS}:%{QS}, %{QS}:true, %{QS}:%{QS}, %{QS}:%{QS}, %{QS}:5, %{QS}:88, %{QS}:%{QS}, %{QS}:60797, %{QS}:%{QS}, %{QS}:%{QS}, %{QS}:%{QS}, %{QS}:1508514186945}
如果该JSON实际上是格式良好的,那么使用
JSON{}
过滤器来解析它会更好。假设在消息
字段中出现该消息:
filter {
json {
source => "message"
target => "json_data"
}
}
这将把解析后的数据结构作为子字段转储到json_data
字段下。您可以使用稍后的mutate{}
filter调用删除不需要的字段,或者将它们定位到事件的不同部分
filter {
mutate {
add_field => { "host" => "%{json_data.host}" }
remove_field => [ "json_data.host" ]
}
}
这将把编码的
主机
移到事件的顶部。按照sysadmin1138的建议,使用json过滤器/编解码器会更好。它将更容易,更不易碎。
filter {
mutate {
add_field => { "host" => "%{json_data.host}" }
remove_field => [ "json_data.host" ]
}
}