如何解决Logstash中CSV文件的解析错误？

Question

我正在使用Filebeat将CSV文件发送到Logstash，然后再上传到Kibana，但是当Logstash接收到CSV文件时，我收到了一个解析错误。

这是CSV文件的内容。

time    version id  score   type

May 6, 2020 @ 11:29:59.863  1 2 PPy_6XEBuZH417wO9uVe  _doc

logstash. conf:

input {
  beats {
    port => 5044
  }
}
filter {
  csv {
      separator => ","
      columns =>["time","version","id","index","score","type"]
      }
}
output {
  elasticsearch {
    hosts => ["http://localhost:9200"]
    index => "%{[@metadata][beat]}-%{[@metadata][version]}-%{+YYYY.MM.dd}"
  }
}

Filebeat.yml:

filebeat.inputs:

# Each - is an input. Most options can be set at the input level, so
# you can use different inputs for various configurations.
# Below are the input specific configurations.

- type: log

  # Change to true to enable this input configuration.
  enabled: true

  # Paths that should be crawled and fetched. Glob based paths.
  paths:
    - /etc/test/*.csv
    #- c:\programdata\elasticsearch\logs\*

以及Logstash的错误信息

[2020-05-27T12:28:14,585][WARN ][logstash.filters.csv     ][main] Error parsing csv {:field=>"message", :source=>"time,version,id,score,type,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,", :exception=>#<TypeError: wrong argument type String (expected LogStash::Timestamp)>}
[2020-05-27T12:28:14,586][WARN ][logstash.filters.csv     ][main] Error parsing csv {:field=>"message", :source=>"\"May 6, 2020 @ 11:29:59.863\",1,2,PPy_6XEBuZH417wO9uVe,_doc,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,", :exception=>#<TypeError: wrong argument type String (expected LogStash::Timestamp)>}

我在Kibana中得到了一些数据，但不是我想看到的。

Answer 1

我已经设法让它在本地工作了。

1. 使用ES的保留字段，比如 @timestamp, @version以及更多。
2. 时间戳不是ISO8601格式。它有一个 @ 中间的符号。
3. 您的过滤器将分隔符设置为 , 但您的CSV实际分隔符是 "\t".
4. 根据错误，你可以看到它也试图在你的标题行上工作，我建议你从CSV中删除它或使用 skip_header 选项。

下面是我使用的logstash.conf文件。

input {
    file {
        path => "C:/work/elastic/logstash-6.5.0/config/test.csv"
        start_position => "beginning"
    } 
}
filter { 
    csv { 
        separator => ","
        columns =>["time","version","id","score","type"]
    } 
} 
output { 
    elasticsearch { 
        hosts => ["localhost:9200"]
        index => "csv-test" 
    } 
}

我使用的CSV文件

May 6 2020 11:29:59.863,1,PPy_6XEBuZH417wO9uVe,_doc
May 6 2020 11:29:59.863,1,PPy_6XEBuZH417wO9uVe,_doc
May 6 2020 11:29:59.863,1,PPy_6XEBuZH417wO9uVe,_doc
May 6 2020 11:29:59.863,1,PPy_6XEBuZH417wO9uVe,_doc

来自我的Kibana: