Logstash-使用Memorize插件 [英] Logstash - Use of Memorize plugin

问题描述

尝试使用记忆"插件，如下所示:

Trying to use the "memorize" plugin like so:

            if [message] =~ /matching event/ {

                grok {
                    match => [ "message", "%{mymatch:datetime}" ]
                }

                memorize {
                    field => [datetime]
                }
            }

            if [message] =~ /another event/ {
                mutate {
                    add_field => {
                        datetime => "%{datetime}"
                    }
                }
            }

将添加一个名为datetime的字段，但该字段仅包含文本％{datetime}".显然，我使用的插件不正确.有人可以建议如何参考存储的值吗?

A field called datetime is being added, but it only contains the text "%{datetime}". Clearly I'm using the plugin incorrectly. Can anyone advise on how to reference the memorized value please?

谢谢.

推荐答案

插件的工作方式如下:

        if [message] =~ /matching event/ {
            grok {
                match => [ "message", "%{mymatch:datetime}" ]
            }
        }
        # either save the datetime or add it based on last value
        memorize {
           field => 'datetime'
           default => '00:00:00'
        }

        if [message] =~ /another event/ {
            # datetime has already been added based on the above line
        }

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