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Elastic Docs ›Logstash Reference [5.0] ›Output plugins

riak

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riak

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This is a community-maintained plugin! It does not ship with Logstash by default, but it is easy to install by running bin/logstash-plugin install logstash-output-riak.

Riak is a distributed k/v store from Basho. It’s based on the Dynamo model.

 

Synopsis

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This plugin supports the following configuration options:

Required configuration options:

riak {
}

Available configuration options:

Setting Input type Required Default value

bucket

array

No

["logstash-%{+YYYY.MM.dd}"]

bucket_props

hash

No

codec

codec

No

"plain"

enable_search

boolean

No

false

enable_ssl

boolean

No

false

indices

array

No

key_name

string

No

nodes

hash

No

{"localhost"=>"8098"}

proto

string, one of ["http", "pb"]

No

"http"

ssl_opts

hash

No

workers

number

No

1

Details

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bucket

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  • Value type is array
  • Default value is ["logstash-%{+YYYY.MM.dd}"]

The bucket name to write events to Expansion is supported here as values are passed through event.sprintf Multiple buckets can be specified here but any bucket-specific settings defined apply to ALL the buckets.

bucket_props

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

Bucket properties (NYI) Logstash hash of properties for the bucket i.e.

    bucket_props => {
        "r" => "one"
        "w" => "one"
        "dw", "one
     }
or
[source,ruby]
    bucket_props => { "n_val" => "3" }
Properties will be passed as-is

codec

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  • Value type is codec
  • Default value is "plain"

The codec used for output data. Output codecs are a convenient method for encoding your data before it leaves the output, without needing a separate filter in your Logstash pipeline.

enable_search

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  • Value type is boolean
  • Default value is false

Search Enable search on the bucket defined above

enable_ssl

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  • Value type is boolean
  • Default value is false

SSL Enable SSL

exclude_tags (DEPRECATED)

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  • DEPRECATED WARNING: This configuration item is deprecated and may not be available in future versions.
  • Value type is array
  • Default value is []

Only handle events without any of these tags. Optional.

indices

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

Indices Array of fields to add 2i on e.g.

    `indices => ["source_host", "type"]
Off by default as not everyone runs eleveldb

key_name

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

The event key name variables are valid here.

Choose this carefully. Best to let riak decide.

nodes

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  • Value type is hash
  • Default value is {"localhost"=>"8098"}

The nodes of your Riak cluster This can be a single host or a Logstash hash of node/port pairs e.g

    {
        "node1" => "8098"
        "node2" => "8098"
    }

proto

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  • Value can be any of: http, pb
  • Default value is "http"

The protocol to use HTTP or ProtoBuf Applies to ALL backends listed above No mix and match

ssl_opts

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

SSL Options Options for SSL connections Only applied if SSL is enabled Logstash hash that maps to the riak-client options here: https://github.com/basho/riak-ruby-client/wiki/Connecting-to-Riak You’ll likely want something like this:

    ssl_opts => {
       "pem" => "/etc/riak.pem"
       "ca_path" => "/usr/share/certificates"
    }

Per the riak client docs, the above sample options will turn on SSL VERIFY_PEER

tags (DEPRECATED)

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  • DEPRECATED WARNING: This configuration item is deprecated and may not be available in future versions.
  • Value type is array
  • Default value is []

Only handle events with all of these tags. Optional.

type (DEPRECATED)

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  • DEPRECATED WARNING: This configuration item is deprecated and may not be available in future versions.
  • Value type is string
  • Default value is ""

The type to act on. If a type is given, then this output will only act on messages with the same type. See any input plugin’s type attribute for more. Optional.

workers

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  • Value type is number
  • Default value is 1

The number of workers to use for this output. Note that this setting may not be useful for all outputs.

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