Yet Another CPAN Grep

Elasticsearch-Model ( A/AM/AMIRI/Elasticsearch-Model-0.1.5.tar.gz, AMIRI, 2018; MetaCPAN )

Elasticsearch-Model/lib/Elasticsearch/Model.pm ( view source; MetaCPAN )

o by an alias
        my $old_index_name = $model->es->cat->aliases(name => $doc_type, format => 'json')->[0]->{index};

        # Switch the alias to the new index, and remove the alias from the old