aliases

API Change in Elasticsearch 5.5.0

An update to Elasticsearch 5.5.0 changes the behavior of this filter, differing from previous 5.x versions.

If a list of aliases is provided (instead of only one), indices must appear in all listed aliases or a 404 error will result, leading to no indices being matched. In older versions, if the index was associated with even one of the aliases in aliases, it would result in a match.

This setting is used only when using the alias filter.

The value of this setting must be a single alias name, or a list of alias names. This can be done in any of the ways YAML allows for lists or arrays. Here are a few examples.

Single

filters:
- filtertype: alias
  aliases: my_alias
  exclude: False

List

Flow style:

filters:
- filtertype: alias
  aliases: [ my_alias, another_alias ]
  exclude: False

Block style:

filters:
- filtertype: alias
  aliases:
    - my_alias
    - another_alias
  exclude: False

There is no default value. This setting must be set by the user or an exception will be raised, and execution will halt.

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