JSON decode plugin

It decodes a JSON string from the event field and merges the result with the event root. If the decoded JSON isn't an object, the event will be skipped.

⚠ DEPRECATED. Use decode plugin with decoder: json instead.

Config params

field cfg.FieldSelector required

The event field to decode. Must be a string.

prefix string

A prefix to add to decoded object keys.

log_json_parse_error_mode string default=off options=off|erronly|withnode

Defines how to handle logging of json parse error.

• off – do not log json parse errors
• erronly – log only errors without any other data
• withnode – log errors with json node represented as string

Defaults to off.

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