NSX Upgrade fails during pre-check stage due to failure in getting NAPP version

Products

• VMware vDefend Firewall
• VMware vDefend Firewall with Advanced Threat Prevention

Issue/Introduction

If NAPP has been upgraded to 4.2.0, and NSX is upgraded later (like a week later), NSX upgrade can fail during the Pre-Check (Edge and Host pre-check) stage with below error message:

Failed to execute Check for NSX Application Platform version for upgrade.

 

 

Environment

NAPP 4.2.0

 

Cause

NAPP version is stored in an internal cache during startup. This version should remain persistent until NAPP is upgraded.  However, the upgrade pre-check fails to validate the version due to it missing in the cache. The cache had gotten cleaned up erroneously due to a cron job that runs once a week. 

This impacts only NSX upgrade operation if NAPP 4.2.0 is installed and upgrade is attempted at least a week after NAPP startup. The version will not be shown in the NAPP UI once the cache has been cleared, but there is no operational impact.

 

Resolution

Prior to NSX Upgrade or after the upgrade pre-check fails, run the following commands. 

Step 1:  Login to NSX Manager console.

Step 2:  Edit monitor configmap file and change clearCacheIntervalSeconds value to 31449600.

napp-k edit configmap monitor-application-config -n nsxi-platform

          - change the clearCacheIntervalSeconds value to 31449600

          - save the file using ":wq"

Step 3: Restart Monitor pod which will reinitialize the cache. 

napp-k rollout restart deployment monitor -n nsxi-platform

Step 4: Do the NSX upgrade.