Set properly the cluster name for Elasticsearch cluster instance

By default we should avoid the generic `elasticsearch` cluster name
for ES working in cluster mode. Instead, we should set it to name
as the cluster name is.

Change-Id: Ic00501e6dc68dee281f19e233661f2f9935a77ec
Closes-Bug: PROD-24049
(cherry picked from commit 92a3e6991bd1b41621f89a47e15db8b669b33522)
1 file changed