Rollback issue in Dashboards & Topology explorer

Products

• VMware Telco Cloud Operations

Issue/Introduction

Issues encountered when upgrading TCOps 1.3 to 1.4 and followed by a rollback, either due to upgrade failure or an explicit uninstall.

• Dashboard & Reports do not fetch data.
• Topology Explorer tree fails to drill down.

Environment

1.x

Cause

• Dashboard & Reports do not fetch data - The configuration changes in Grafana data sources stored in Postgres database for VMware Telco Cloud Operations 1.4 are not reverted during rollback.
• Topology Explorer tree fails to drill down - The schema changes in ArangoDB for VMware Telco Cloud Operations 1.4 are not reverted during rollback.

Resolution

1. Download the attached scripts.tar.gz file.
2. Copy the scripts.tar.gz file to the Control plane node.
3. Extract and run:  
   1. tar -xzvf scripts.tar.gz
   2. cd scripts
   3. ./arangodb-rollback-collection.sh
   4. (Optional) Not necessary for non-HA setup:
      ./grafana_rollback.sh