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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Create or update alias API

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Create or update alias API

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Adds a data stream or index to an alias.

response = client.indices.put_alias(
  index: 'my-data-stream',
  name: 'my-alias'
)
puts response

PUT my-data-stream/_alias/my-alias

Request

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POST <target>/_alias/<alias>

POST <target>/_aliases/<alias>

PUT <target>/_alias/<alias>

PUT <target>/_aliases/<alias>

Prerequisites

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If the Elasticsearch security features are enabled, you must have the manage index privilege for the alias and its data streams or indices.

Path parameters

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<alias>: (Required, string) Alias to update. If the alias doesn’t exist, the request creates it. Index alias names support date math.
<target>: (Required, string) Comma-separated list of data streams or indices to add. Supports wildcards (*). Wildcard patterns that match both data streams and indices return an error.

Query parameters

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master_timeout: (Optional, time units) Period to wait for a connection to the master node. If no response is received before the timeout expires, the request fails and returns an error. Defaults to 30s.
timeout: (Optional, time units) Period to wait for a response. If no response is received before the timeout expires, the request fails and returns an error. Defaults to 30s.

Request body

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filter

(Optional, Query DSL object Query used to limit documents the alias can access.

index_routing

(Optional, string) Value used to route indexing operations to a specific shard. If specified, this overwrites the routing value for indexing operations. Data stream aliases don’t support this parameter.

is_hidden

(Optional, Boolean) If true, the alias is hidden. Defaults to false. All data streams or indices for the alias must have the same is_hidden value.

is_write_index

(Optional, Boolean) If true, sets the write index or data stream for the alias.

If an alias points to multiple indices or data streams and is_write_index isn’t set, the alias rejects write requests. If an index alias points to one index and is_write_index isn’t set, the index automatically acts as the write index. Data stream aliases don’t automatically set a write data stream, even if the alias points to one data stream.

routing

(Optional, string) Value used to route indexing and search operations to a specific shard. Data stream aliases don’t support this parameter.

search_routing

(Optional, string) Value used to route search operations to a specific shard. If specified, this overwrites the routing value for search operations. Data stream aliases don’t support this parameter.

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