Logstash无法解析json

  • Z时代
  • 2024-01-10
  • 分类：问答

当我在Kibana中看到结果时，我发现JSON中没有字段，而且，该message字段仅包含"status" : "FAILED"。

是否可以解析json中的字段并将其显示在Kibana中？我有以下配置：

input {
  file {
    type => "json"
    path => "/home/logstash/test.json"
    codec => json
    sincedb_path => "/home/logstash/sincedb"
  }
}
output {
  stdout {}
  elasticsearch {
    protocol => "http"
    codec => "json"
    host => "elasticsearch.dev"
    port => "9200"
  }
}

以及以下JSON文件：

[{"uid":"441d1d1dd296fe60","name":"test_buylinks","title":"Testbuylinks","time":{"start":1419621623182,"stop":1419621640491,"duration":17309},"severity":"NORMAL","status":"FAILED"},{"uid":"a88c89b377aca0c9","name":"test_buylinks","title":"Testbuylinks","time":{"start":1419621623182,"stop":1419621640634,"duration":17452},"severity":"NORMAL","status":"FAILED"},{"uid":"32c3f8b52386c85c","name":"test_buylinks","title":"Testbuylinks","time":{"start":1419621623185,"stop":1419621640826,"duration":17641},"severity":"NORMAL","status":"FAILED"}]

回答：

是。您需要在配置中添加一个过滤器，如下所示。

filter{
    json{
        source => "message"
    }
}

在这里的文档中对此进行了很好的描述

json编解码器似乎不喜欢传入数组。单个元素与此配置一起工作：

{"uid":"441d1d1dd296fe60","name":"test_buylinks","title":"Testbuylinks","time":{"start":1419621623182,       "stop":1419621640491,"duration":17309      },      "severity":"NORMAL",      "status":"FAILED"   }

{
      "message" => "{\"uid\":\"441d1d1dd296fe60\",\"name\":\"test_buylinks\",\"title\":\"Testbuylinks\",\"time\":{\"start\":1419621623182,       \"stop\":1419621640491,\"duration\":17309      },      \"severity\":\"NORMAL\",      \"status\":\"FAILED\"   }",
     "@version" => "1",
   "@timestamp" => "2015-02-26T23:25:12.011Z",
         "host" => "emmet.local",
          "uid" => "441d1d1dd296fe60",
         "name" => "test_buylinks",
        "title" => "Testbuylinks",
         "time" => {
          "start" => 1419621623182,
           "stop" => 1419621640491,
       "duration" => 17309
   },
     "severity" => "NORMAL",
       "status" => "FAILED"

}

现在有了一个数组：

[{"uid":"441d1d1dd296fe60","name":"test_buylinks","title":"Testbuylinks","time":{"start":1419621623182,       "stop":1419621640491,"duration":17309      },      "severity":"NORMAL",      "status":"FAILED"   }, {"uid":"441d1d1dd296fe60","name":"test_buylinks","title":"Testbuylinks","time":{"start":1419621623182,       "stop":1419621640491,"duration":17309      },      "severity":"NORMAL",      "status":"FAILED"   }]

Trouble parsing json {:source=>"message", :raw=>"[{\"uid\":\"441d1d1dd296fe60\",\"name\":\"test_buylinks\",\"title\":\"Testbuylinks\",\"time\":{\"start\":1419621623182,       \"stop\":1419621640491,\"duration\":17309      },      \"severity\":\"NORMAL\",      \"status\":\"FAILED\"   }, {\"uid\":\"441d1d1dd296fe60\",\"name\":\"test_buylinks\",\"title\":\"Testbuylinks\",\"time\":{\"start\":1419621623182,       \"stop\":1419621640491,\"duration\":17309      },      \"severity\":\"NORMAL\",      \"status\":\"FAILED\"   }]", :exception=>#<TypeError: can't convert Array into Hash>, :level=>:warn}
{
      "message" => "[{\"uid\":\"441d1d1dd296fe60\",\"name\":\"test_buylinks\",\"title\":\"Testbuylinks\",\"time\":{\"start\":1419621623182,       \"stop\":1419621640491,\"duration\":17309      },      \"severity\":\"NORMAL\",      \"status\":\"FAILED\"   }, {\"uid\":\"441d1d1dd296fe60\",\"name\":\"test_buylinks\",\"title\":\"Testbuylinks\",\"time\":{\"start\":1419621623182,       \"stop\":1419621640491,\"duration\":17309      },      \"severity\":\"NORMAL\",      \"status\":\"FAILED\"   }]",
     "@version" => "1",
   "@timestamp" => "2015-02-26T23:28:21.195Z",
         "host" => "emmet.local",
         "tags" => [
       [0] "_jsonparsefailure"
   ]
}

这看起来像是编解码器中的错误，您可以将消息更改为对象而不是数组吗？

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