Processors - Rename - 《Elasticsearch v7.9 Reference》

Rename processor

Renames an existing field. If the field doesn’t exist or the new name is already used, an exception will be thrown.

Table 30. Rename Options

Name	Required	Default	Description
`field`	yes	-	The field to be renamed. Supports template snippets.
`target_field`	yes	-	The new name of the field. Supports template snippets.
`ignore_missing`	no	`false`	If `true` and `field` does not exist, the processor quietly exits without modifying the document
`if`	no	-	Conditionally execute this processor.
`on_failure`	no	-	Handle failures for this processor. See Handling Failures in Pipelines.
`ignore_failure`	no	`false`	Ignore failures for this processor. See Handling Failures in Pipelines.
`tag`	no	-	An identifier for this processor. Useful for debugging and metrics.

{
  "rename": {
    "field": "provider",
    "target_field": "cloud.provider"
  }
}