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Elastic Docs ›Logstash Reference [5.1] ›Filter plugins
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uuidedit

  • Version: 3.0.2
  • Released on: 2016-07-14
  • Changelog
  • Compatible: 5.1.1.1, 5.0.0, 2.4.1, 2.4.0, 2.3.4

The uuid filter allows you to add a UUID field to messages. This is useful to be able to control the _id messages are indexed into Elasticsearch with, so that you can insert duplicate messages (i.e. the same message multiple times without creating duplicates) - for log pipeline reliability

 

Synopsisedit

This plugin supports the following configuration options:

Required configuration options:

uuid {
    target => ...
}

Available configuration options:

Setting Input type Required Default value

add_field

hash

No

{}

add_tag

array

No

[]

enable_metric

boolean

No

true

id

string

No

overwrite

boolean

No

false

periodic_flush

boolean

No

false

remove_field

array

No

[]

remove_tag

array

No

[]

target

string

Yes

Detailsedit

 

add_fieldedit

  • Value type is hash
  • Default value is {}

If this filter is successful, add any arbitrary fields to this event. Field names can be dynamic and include parts of the event using the %{field}.

Example:

    filter {
      uuid {
        add_field => { "foo_%{somefield}" => "Hello world, from %{host}" }
      }
    }
[source,ruby]
    # You can also add multiple fields at once:
    filter {
      uuid {
        add_field => {
          "foo_%{somefield}" => "Hello world, from %{host}"
          "new_field" => "new_static_value"
        }
      }
    }

If the event has field "somefield" == "hello" this filter, on success, would add field foo_hello if it is present, with the value above and the %{host} piece replaced with that value from the event. The second example would also add a hardcoded field.

add_tagedit

  • Value type is array
  • Default value is []

If this filter is successful, add arbitrary tags to the event. Tags can be dynamic and include parts of the event using the %{field} syntax.

Example:

    filter {
      uuid {
        add_tag => [ "foo_%{somefield}" ]
      }
    }
[source,ruby]
    # You can also add multiple tags at once:
    filter {
      uuid {
        add_tag => [ "foo_%{somefield}", "taggedy_tag"]
      }
    }

If the event has field "somefield" == "hello" this filter, on success, would add a tag foo_hello (and the second example would of course add a taggedy_tag tag).

enable_metricedit

  • Value type is boolean
  • Default value is true

Disable or enable metric logging for this specific plugin instance by default we record all the metrics we can, but you can disable metrics collection for a specific plugin.

idedit

  • Value type is string
  • There is no default value for this setting.

Add a unique ID to the plugin instance, this ID is used for tracking information for a specific configuration of the plugin.

output {
 stdout {
   id => "ABC"
 }
}

If you don’t explicitely set this variable Logstash will generate a unique name.

overwriteedit

  • Value type is boolean
  • Default value is false

If the value in the field currently (if any) should be overridden by the generated UUID. Defaults to false (i.e. if the field is present, with ANY value, it won’t be overridden)

Example:

   filter {
      uuid {
        target    => "@uuid"
        overwrite => true
      }
   }

periodic_flushedit

  • Value type is boolean
  • Default value is false

Call the filter flush method at regular interval. Optional.

remove_fieldedit

  • Value type is array
  • Default value is []

If this filter is successful, remove arbitrary fields from this event. Fields names can be dynamic and include parts of the event using the %{field} Example:

    filter {
      uuid {
        remove_field => [ "foo_%{somefield}" ]
      }
    }
[source,ruby]
    # You can also remove multiple fields at once:
    filter {
      uuid {
        remove_field => [ "foo_%{somefield}", "my_extraneous_field" ]
      }
    }

If the event has field "somefield" == "hello" this filter, on success, would remove the field with name foo_hello if it is present. The second example would remove an additional, non-dynamic field.

remove_tagedit

  • Value type is array
  • Default value is []

If this filter is successful, remove arbitrary tags from the event. Tags can be dynamic and include parts of the event using the %{field} syntax.

Example:

    filter {
      uuid {
        remove_tag => [ "foo_%{somefield}" ]
      }
    }
[source,ruby]
    # You can also remove multiple tags at once:
    filter {
      uuid {
        remove_tag => [ "foo_%{somefield}", "sad_unwanted_tag"]
      }
    }

If the event has field "somefield" == "hello" this filter, on success, would remove the tag foo_hello if it is present. The second example would remove a sad, unwanted tag as well.

targetedit

  • This is a required setting.
  • Value type is string
  • There is no default value for this setting.

Add a UUID to a field.

Example:

    filter {
      uuid {
        target => "@uuid"
      }
    }
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