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regexelasticsearchelasticsearch-pluginindiceselasticsearch-indices

Elasticsearch rename_pattern

I have indices i need to restore from snapshot, by using rename_pattern and rename_replacement. Can someone help me with the pattern and replacement?

Let's say my input index name is: "abc_def_r22_0" and I want it restored as "abc_def_r44_0"

NUM="44"
 POST /_snapshot/my_backup/snapshot_1/_restore
{
 "indices": "abc_def_r22_0",
 "ignore_unavailable": "true",
 "include_global_state": false,
 "rename_pattern": "\\d\\d",
 "rename_replacement": "$1'$NUM'_0"
 }
Solution

  • You may use 

    _r[0-9]+_

    and replace with _r$NUM_.

    The _r[0-9]+_ will match _r, 1 or more digits, and a _, so you need to replace it with _r, then a new number and a _.

    See the regex demo.