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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Collectd codec plugin

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Collectd codec plugin

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Plugin version: v3.0.8
Released on: 2017-11-07
Changelog

For other versions, see the Versioned plugin docs.

Installation

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For plugins not bundled by default, it is easy to install by running bin/logstash-plugin install logstash-codec-collectd. See Working with plugins for more details.

Getting Help

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For questions about the plugin, open a topic in the Discuss forums. For bugs or feature requests, open an issue in Github. For the list of Elastic supported plugins, please consult the Elastic Support Matrix.

Description

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Read events from the collectd binary protocol over the network via udp. See https://collectd.org/wiki/index.php/Binary_protocol

Configuration in your Logstash configuration file can be as simple as:

    input {
      udp {
        port => 25826
        buffer_size => 1452
        codec => collectd { }
      }
    }

A sample collectd.conf to send to Logstash might be:

    Hostname    "host.example.com"
    LoadPlugin interface
    LoadPlugin load
    LoadPlugin memory
    LoadPlugin network
    <Plugin interface>
        Interface "eth0"
        IgnoreSelected false
    </Plugin>
    <Plugin network>
        <Server "10.0.0.1" "25826">
        </Server>
    </Plugin>

Be sure to replace 10.0.0.1 with the IP of your Logstash instance.

Collectd Codec Configuration Options

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Setting	Input type	Required
`authfile`	string	No
`nan_handling`	string, one of `["change_value", "warn", "drop"]`	No
`nan_tag`	string	No
`nan_value`	number	No
`prune_intervals`	boolean	No
`security_level`	string, one of `["None", "Sign", "Encrypt"]`	No
`typesdb`	array	No

`authfile`

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

Path to the authentication file. This file should have the same format as the AuthFile in collectd. You only need to set this option if the security_level is set to Sign or Encrypt

`nan_handling`

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Value can be any of: change_value, warn, drop
Default value is "change_value"

What to do when a value in the event is NaN (Not a Number)

change_value (default): Change the NaN to the value of the nan_value option and add nan_tag as a tag
warn: Change the NaN to the value of the nan_value option, print a warning to the log and add nan_tag as a tag
drop: Drop the event containing the NaN (this only drops the single event, not the whole packet)

`nan_tag`

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Value type is string
Default value is "_collectdNaN"

The tag to add to the event if a NaN value was found Set this to an empty string ('') if you don’t want to tag

`nan_value`

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Value type is number
Default value is 0

Only relevant when nan_handeling is set to change_value Change NaN to this configured value

`prune_intervals`

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Value type is boolean
Default value is true

Prune interval records. Defaults to true.

`security_level`

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Value can be any of: None, Sign, Encrypt
Default value is "None"

Security Level. Default is None. This setting mirrors the setting from the collectd Network plugin

`typesdb`

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

File path(s) to collectd types.db to use. The last matching pattern wins if you have identical pattern names in multiple files. If no types.db is provided the included types.db will be used (currently 5.4.0).

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