This setting is only used by the restore action.
from the Elasticsearch documentation
The rename_pattern and rename_replacement options can be also used to rename indices on restore using regular expression that supports referencing the original text as explained here.
actions: 1: action: restore description: >- Restore all indices in the most recent snapshot with state SUCCESS. Wait for the restore to complete before continuing. Do not skip the repository filesystem access check. Use the other options to define the index/shard settings for the restore. options: repository: # If name is blank, the most recent snapshot by age will be selected name: # If indices is blank, all indices in the snapshot will be restored indices: rename_pattern: 'index(.+)' rename_replacement: 'restored_index$1' wait_for_completion: True max_wait: 3600 wait_interval: 10 filters: - filtertype: state state: SUCCESS exclude: - filtertype: ...
In this configuration, Elasticsearch will capture whatever appears after
and put it after
restored_index. For example, if I was restoring
index-2017.03.01, the resulting index would be renamed to
Read more about this setting at http://www.elastic.co/guide/en/elasticsearch/reference/8.6/snapshots-restore-snapshot.html
There is no default value.
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