how to enable Elasticsearch Routes or Ingresses?

Products

• CA Application Performance Management (APM / Wily / Introscope)

Issue/Introduction

We are getting error when we are trying to enable the Elasticsearch Routes or Ingresses.

Environment

Release : 23.1

Resolution

Files in files/meta/plain/nextgen/dx-base/install/ are templates. 
They have placeholders which need to be updated based on your environment.

Edit files before applying:
{{namespace}} - namespace used for dxi products
{{routerip}} - wildcard DNS used for all your routes