原文地址: https://www.elastic.co/guide/en/elasticsearch/reference/7.7/indices-template-exists.html, 原文档版权归 www.elastic.co 所有
IMPORTANT: No additional bug fixes or documentation updates
will be released for this version. For the latest information, see the
current release documentation.
Index template exists APIedit
Checks if an index template exists.
HEAD /_template/template_1
Requestedit
HEAD /_template/<index-template>
Descriptionedit
Use the index template exists API to determine whether one or more index templates exist.
Index templates define settings and mappings that you can automatically apply when creating new indices. Elasticsearch applies templates to new indices based on an index pattern that matches the index name.
Path parametersedit
-
<index-template> - (Required, string) Comma-separated list or wildcard expression of index template names used to limit the request.
Query parametersedit
-
flat_settings -
(Optional, boolean) If
true, returns settings in flat format. Defaults tofalse. -
local -
(Optional, boolean) If
true, the request retrieves information from the local node only. Defaults tofalse, which means information is retrieved from the master node. -
master_timeout -
(Optional, time units) Specifies the period of time 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.
Response codesedit
-
200 - Indicates all specified index templates exist.
-
404 - Indicates one or more specified index templates do not exist.