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elasticsearch

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elasticsearch

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Compatibility Note

Starting with Elasticsearch 5.3, there’s an HTTP setting called http.content_type.required. If this option is set to true, and you are using Logstash 2.4 through 5.2, you need to update the Elasticsearch input plugin to version 4.0.2 or higher.

Read from an Elasticsearch cluster, based on search query results. This is useful for replaying test logs, reindexing, etc.

Example:

    input {
      # Read all documents from Elasticsearch matching the given query
      elasticsearch {
        hosts => "localhost"
        query => '{ "query": { "match": { "statuscode": 200 } }, "sort": [ "_doc" ] }'
      }
    }

This would create an Elasticsearch query with the following format:

    curl 'http://localhost:9200/logstash-*/_search?&scroll=1m&size=1000' -d '{
      "query": {
        "match": {
          "statuscode": 200
        }
      },
      "sort": [ "_doc" ]
    }'

Synopsis

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This plugin supports the following configuration options:

Required configuration options:

elasticsearch {
}

Available configuration options:

Setting	Input type	Required	Default value
`add_field`	hash	No	`{}`
`ca_file`	a valid filesystem path	No
`codec`	codec	No	`"json"`
`docinfo`	boolean	No	`false`
`docinfo_fields`	array	No	`["_index", "_type", "_id"]`
`docinfo_target`	string	No	`"@metadata"`
`hosts`	array	No
`index`	string	No	`"logstash-*"`
`password`	password	No
`query`	string	No	`"{ \"sort\": [ \"_doc\" ] }"`
`scroll`	string	No	`"1m"`
`size`	number	No	`1000`
`ssl`	boolean	No	`false`
`tags`	array	No
`type`	string	No
`user`	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

`ca_file`

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

SSL Certificate Authority file

`codec`

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Value type is codec
Default value is "json"

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.

`docinfo`

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Value type is boolean
Default value is false

If set, include Elasticsearch document information such as index, type, and the id in the event.

It might be important to note, with regards to metadata, that if you’re ingesting documents with the intent to re-index them (or just update them) that the action option in the elasticsearch output wants to know how to handle those things. It can be dynamically assigned with a field added to the metadata.

Example

    input {
      elasticsearch {
        hosts => "es.production.mysite.org"
        index => "mydata-2018.09.*"
        query => "*"
        size => 500
        scroll => "5m"
        docinfo => true
      }
    }
    output {
      elasticsearch {
        index => "copy-of-production.%{[@metadata][_index]}"
        index_type => "%{[@metadata][_type]}"
        document_id => "%{[@metadata][_id]}"
      }
    }

`docinfo_fields`

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Value type is array
Default value is ["_index", "_type", "_id"]

List of document metadata to move to the docinfo_target field To learn more about Elasticsearch metadata fields read http://www.elasticsearch.org/guide/en/elasticsearch/guide/current/_document_metadata.html

`docinfo_target`

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Value type is string
Default value is "@metadata"

Where to move the Elasticsearch document information by default we use the @metadata field.

`hosts`

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

List of elasticsearch hosts to use for querying. each host can be either IP, HOST, IP:port or HOST:port port defaults to 9200

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

`index`

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Value type is string
Default value is "logstash-*"

The index or alias to search.

`password`

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

Basic Auth - password

`query`

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Value type is string
Default value is "{ \"sort\": [ \"_doc\" ] }"

The query to be executed. Read the Elasticsearch query DSL documentation for more info https://www.elastic.co/guide/en/elasticsearch/reference/current/query-dsl.html

`scroll`

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Value type is string
Default value is "1m"

This parameter controls the keepalive time in seconds of the scrolling request and initiates the scrolling process. The timeout applies per round trip (i.e. between the previous scroll request, to the next).

`size`

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Value type is number
Default value is 1000

This allows you to set the maximum number of hits returned per scroll.

`ssl`

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Value type is boolean
Default value is false

SSL

`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.

`user`

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

Basic Auth - username

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