Kubernetes containers - visualizer URL gives This site can't be reached error

Products

• CA Service Management - Asset Portfolio Management
• CA Service Management - Service Desk Manager

Issue/Introduction

Customer has a Kubernetes cluster with one master and 2 worker nodes, with working sdmbg and sdmapp pods.  He followed the steps to deploy Visualizer (https://techdocs.broadcom.com/content/broadcom/techdocs/us/en/ca-enterprise-software/business-management/ca-service-management/17-3/Docker-Containers/Deploy-CA-Service-Management-Kubernetes-Containers/Deploy-CA-Service-Desk-Manager-Docker-Containers.html) 

After restarting the app pods, the Visualizer tomcat gets started, but he is not able to access them through port 31080, get serror:

This site can’t be reached

Environment

Release : 17.3

Component : CA CMDB VISUALIZER

Cause

sdmapp-0 pod's NX.env has:

NX_CMDB_VISUALIZER=http://sdmapp-0:9080/CMDBVisualizer

Which is the reason why it will not get load balanced by Ingress. 

Resolution

Make sure containers.config has correct EXTERNAL_HOST URL value and re-run apply.sh if that value needs to be corrected.

https://techdocs.broadcom.com/content/broadcom/techdocs/us/en/ca-enterprise-software/business-management/ca-service-management/17-3/Docker-Containers/Deploy-CA-Service-Management-Kubernetes-Containers/Preparing-the-YAML-Configuration-Files/containers_config_tpl.html