topic Re: K8s version upgrade compatibility and known issues in Container platforms

Kubernetes version upgrade compatibility and known issues

Peter_youssef30 — Tue, 07 Nov 2023 14:24:19 GMT

Dears,

I need your recommendations as the monitored K8s clusters will be upgraded from V1.19 to 1.21 and then from V 1.21 to V1.25 so have you faced any issues during this upgrade activities, If yes what are the best practices and precautions to avoid such scenario.

As per DT Documentation V1.21 already out of support: https://docs.dynatrace.com/docs/shortlink/support-model-k8s-ocp

Thanks.

Re: K8s version upgrade compatibility and known issues

radek_jasinski — Tue, 07 Nov 2023 09:56:01 GMT

Hi @Peter_youssef30

What version of Dynatrace Operator are you using in your environment?

Radek

Re: K8s version upgrade compatibility and known issues

Peter_youssef30 — Tue, 07 Nov 2023 10:10:27 GMT

Hi @radek_jasinski
current Operator: v0.6.0

Re: K8s version upgrade compatibility and known issues

radek_jasinski — Tue, 07 Nov 2023 10:21:13 GMT

Hi,

With such an old version of Dynatrace Operator, I would start by upgrading it to the latest version 0.14.1. Only after the Operator upgrade can you proceed with the Kubernetes upgrade. This is unlikely to cause a problem, but it has occurred to me that sometimes individual pods will need to be rebooted several times for OA to start monitoring in Full-Stack mode.

https://docs.dynatrace.com/docs/setup-and-configuration/setup-on-k8s/guides/operation/update-uninstall-operator

Radek