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Csv codec plugin

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Csv codec plugin

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Plugin version: v1.1.0
Released on: 2021-07-28
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-csv. 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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The csv codec takes CSV data, parses it and passes it along.

Compatibility with the Elastic Common Schema (ECS)

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The plugin behaves the same regardless of ECS compatibility, except giving a warning when ECS is enabled and target isn’t set.

Set the target option to avoid potential schema conflicts.

Csv Codec configuration options

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Setting	Input type	Required
`autodetect_column_names`	boolean	No
`autogenerate_column_names`	boolean	No
`charset`	string, one of ["ASCII-8BIT", "UTF-8", "US-ASCII", "Big5", "Big5-HKSCS", "Big5-UAO", "CP949", "Emacs-Mule", "EUC-JP", "EUC-KR", "EUC-TW", "GB2312", "GB18030", "GBK", "ISO-8859-1", "ISO-8859-2", "ISO-8859-3", "ISO-8859-4", "ISO-8859-5", "ISO-8859-6", "ISO-8859-7", "ISO-8859-8", "ISO-8859-9", "ISO-8859-10", "ISO-8859-11", "ISO-8859-13", "ISO-8859-14", "ISO-8859-15", "ISO-8859-16", "KOI8-R", "KOI8-U", "Shift_JIS", "UTF-16BE", "UTF-16LE", "UTF-32BE", "UTF-32LE", "Windows-31J", "Windows-1250", "Windows-1251", "Windows-1252", "IBM437", "IBM737", "IBM775", "CP850", "IBM852", "CP852", "IBM855", "CP855", "IBM857", "IBM860", "IBM861", "IBM862", "IBM863", "IBM864", "IBM865", "IBM866", "IBM869", "Windows-1258", "GB1988", "macCentEuro", "macCroatian", "macCyrillic", "macGreek", "macIceland", "macRoman", "macRomania", "macThai", "macTurkish", "macUkraine", "CP950", "CP951", "IBM037", "stateless-ISO-2022-JP", "eucJP-ms", "CP51932", "EUC-JIS-2004", "GB12345", "ISO-2022-JP", "ISO-2022-JP-2", "CP50220", "CP50221", "Windows-1256", "Windows-1253", "Windows-1255", "Windows-1254", "TIS-620", "Windows-874", "Windows-1257", "MacJapanese", "UTF-7", "UTF8-MAC", "UTF-16", "UTF-32", "UTF8-DoCoMo", "SJIS-DoCoMo", "UTF8-KDDI", "SJIS-KDDI", "ISO-2022-JP-KDDI", "stateless-ISO-2022-JP-KDDI", "UTF8-SoftBank", "SJIS-SoftBank", "BINARY", "CP437", "CP737", "CP775", "IBM850", "CP857", "CP860", "CP861", "CP862", "CP863", "CP864", "CP865", "CP866", "CP869", "CP1258", "Big5-HKSCS:2008", "ebcdic-cp-us", "eucJP", "euc-jp-ms", "EUC-JISX0213", "eucKR", "eucTW", "EUC-CN", "eucCN", "CP936", "ISO2022-JP", "ISO2022-JP2", "ISO8859-1", "ISO8859-2", "ISO8859-3", "ISO8859-4", "ISO8859-5", "ISO8859-6", "CP1256", "ISO8859-7", "CP1253", "ISO8859-8", "CP1255", "ISO8859-9", "CP1254", "ISO8859-10", "ISO8859-11", "CP874", "ISO8859-13", "CP1257", "ISO8859-14", "ISO8859-15", "ISO8859-16", "CP878", "MacJapan", "ASCII", "ANSI_X3.4-1968", "646", "CP65000", "CP65001", "UTF-8-MAC", "UTF-8-HFS", "UCS-2BE", "UCS-4BE", "UCS-4LE", "CP932", "csWindows31J", "SJIS", "PCK", "CP1250", "CP1251", "CP1252", "external", "locale"]	No
`columns`	array	No
`convert`	hash	No
`ecs_compatibility`	string	No
`include_headers`	boolean	No
`quote_char`	string	No
`separator`	string	No
`skip_empty_columns`	boolean	No
`target`	string	No

`autodetect_column_names`

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Value type is boolean
Default value is false

Define whether column names should be auto-detected from the header column or not. Defaults to false.

`autogenerate_column_names`

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Value type is boolean
Default value is true

Define whether column names should be autogenerated or not. Defaults to true. If set to false, columns not having a header specified will not be parsed.

`charset`

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Value can be any of: ASCII-8BIT, UTF-8, US-ASCII, Big5, Big5-HKSCS, Big5-UAO, CP949, Emacs-Mule, EUC-JP, EUC-KR, EUC-TW, GB2312, GB18030, GBK, ISO-8859-1, ISO-8859-2, ISO-8859-3, ISO-8859-4, ISO-8859-5, ISO-8859-6, ISO-8859-7, ISO-8859-8, ISO-8859-9, ISO-8859-10, ISO-8859-11, ISO-8859-13, ISO-8859-14, ISO-8859-15, ISO-8859-16, KOI8-R, KOI8-U, Shift_JIS, UTF-16BE, UTF-16LE, UTF-32BE, UTF-32LE, Windows-31J, Windows-1250, Windows-1251, Windows-1252, IBM437, IBM737, IBM775, CP850, IBM852, CP852, IBM855, CP855, IBM857, IBM860, IBM861, IBM862, IBM863, IBM864, IBM865, IBM866, IBM869, Windows-1258, GB1988, macCentEuro, macCroatian, macCyrillic, macGreek, macIceland, macRoman, macRomania, macThai, macTurkish, macUkraine, CP950, CP951, IBM037, stateless-ISO-2022-JP, eucJP-ms, CP51932, EUC-JIS-2004, GB12345, ISO-2022-JP, ISO-2022-JP-2, CP50220, CP50221, Windows-1256, Windows-1253, Windows-1255, Windows-1254, TIS-620, Windows-874, Windows-1257, MacJapanese, UTF-7, UTF8-MAC, UTF-16, UTF-32, UTF8-DoCoMo, SJIS-DoCoMo, UTF8-KDDI, SJIS-KDDI, ISO-2022-JP-KDDI, stateless-ISO-2022-JP-KDDI, UTF8-SoftBank, SJIS-SoftBank, BINARY, CP437, CP737, CP775, IBM850, CP857, CP860, CP861, CP862, CP863, CP864, CP865, CP866, CP869, CP1258, Big5-HKSCS:2008, ebcdic-cp-us, eucJP, euc-jp-ms, EUC-JISX0213, eucKR, eucTW, EUC-CN, eucCN, CP936, ISO2022-JP, ISO2022-JP2, ISO8859-1, ISO8859-2, ISO8859-3, ISO8859-4, ISO8859-5, ISO8859-6, CP1256, ISO8859-7, CP1253, ISO8859-8, CP1255, ISO8859-9, CP1254, ISO8859-10, ISO8859-11, CP874, ISO8859-13, CP1257, ISO8859-14, ISO8859-15, ISO8859-16, CP878, MacJapan, ASCII, ANSI_X3.4-1968, 646, CP65000, CP65001, UTF-8-MAC, UTF-8-HFS, UCS-2BE, UCS-4BE, UCS-4LE, CP932, csWindows31J, SJIS, PCK, CP1250, CP1251, CP1252, external, locale
Default value is "UTF-8"

List of valid conversion types used for the convert option The character encoding used in this codec. Examples include "UTF-8" and "CP1252".

`columns`

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Value type is array
Default value is []

When decoding: Define a list of column names (in the order they appear in the CSV, as if it were a header line). If columns is not configured, or there are not enough columns specified, the default column names are "column1", "column2", etc.

When encoding: List of fields names to include in the encoded CSV, in the order listed.

`convert`

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Value type is hash
Default value is {}

Define a set of datatype conversions to be applied to columns. Possible conversions are: integer, float, date, date_time, boolean

Example

    filter {
      csv {
        convert => { "column1" => "integer", "column2" => "boolean" }
      }
    }

`ecs_compatibility`

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Value type is string
Supported values are:
- disabled: CSV data added at root level
- v1,v8: Elastic Common Schema compliant behavior ([event][original] is also added)
Default value depends on which version of Logstash is running:
- When Logstash provides a pipeline.ecs_compatibility setting, its value is used as the default
- Otherwise, the default value is disabled

Controls this plugin’s compatibility with the Elastic Common Schema (ECS).

`include_headers`

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Value type is boolean
Default value is false

When encoding in an output plugin, include headers in the encoded CSV once per codec lifecyle (not for every event). Default ⇒ false

`quote_char`

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Value type is string
Default value is "\""

Define the character used to quote CSV fields. If this is not specified the default is a double quote ". Optional.

`separator`

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Value type is string
Default value is ","

Define the column separator value. If this is not specified, the default is a comma ,. Optional.

`skip_empty_columns`

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Value type is boolean
Default value is false

Define whether empty columns should be skipped. Defaults to false. If set to true, columns containing no value will not be included.

`target`

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

Define the target field for placing the row values. If this setting is not set, the CSV data will be stored at the root (top level) of the event.

For example, if you want data to be put under the document field:

    input {
      file {
        codec => csv {
          autodetect_column_names => true
          target => "[document]"
        }
      }
    }

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