IMPORTANT: No additional bug fixes or documentation updates will be released for this version. For the latest information, see the current release documentation.

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gelf

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gelf

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This input will read GELF messages as events over the network, making it a good choice if you already use Graylog2 today.

The main use case for this input is to leverage existing GELF logging libraries such as the GELF log4j appender.

Synopsis

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This plugin supports the following configuration options:

Required configuration options:

gelf {
}

Available configuration options:

Setting	Input type	Required	Default value
`add_field`	hash	No	`{}`
`codec`	codec	No	`"plain"`
`host`	string	No	`"0.0.0.0"`
`port`	number	No	`12201`
`remap`	boolean	No	`true`
`strip_leading_underscore`	boolean	No	`true`
`tags`	array	No
`type`	string	No

Details

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`add_field`

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Value type is hash
Default value is {}

Add a field to an event

`codec`

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Value type is codec
Default value is "plain"

The codec used for input data. Input codecs are a convenient method for decoding your data before it enters the input, without needing a separate filter in your Logstash pipeline.

`host`

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Value type is string
Default value is "0.0.0.0"

The IP address or hostname to listen on.

`port`

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Value type is number
Default value is 12201

The port to listen on. Remember that ports less than 1024 (privileged ports) may require root to use.

`remap`

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Value type is boolean
Default value is true

Whether or not to remap the GELF message fields to Logstash event fields or leave them intact.

Remapping converts the following GELF fields to Logstash equivalents:

full\_message becomes event["message"].
if there is no full\_message, short\_message becomes event["message"].

`strip_leading_underscore`

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Value type is boolean
Default value is true

Whether or not to remove the leading \_ in GELF fields or leave them in place. (Logstash < 1.2 did not remove them by default.). Note that GELF version 1.1 format now requires all non-standard fields to be added as an "additional" field, beginning with an underscore.

e.g. \_foo becomes foo

`tags`

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Value type is array
There is no default value for this setting.

Add any number of arbitrary tags to your event.

This can help with processing later.

`type`

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

Add a type field to all events handled by this input.

Types are used mainly for filter activation.

The type is stored as part of the event itself, so you can also use the type to search for it in Kibana.

If you try to set a type on an event that already has one (for example when you send an event from a shipper to an indexer) then a new input will not override the existing type. A type set at the shipper stays with that event for its life even when sent to another Logstash server.

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