Upgrade cilium from v1.11.7 to v1.14.5

This upgrade guide is intended for Cilium running on Kubernetes.

Warning: Read the full upgrade guide to understand all the necessary steps before performing them.

https://docs.cilium.io/en/stable/operations/upgrade/#admin-upgrade

Add cilium chart repo

helm repo add cilium https://helm.cilium.io/

Fetch cilium chart v1.14.5

helm fetch --untar cilium/cilium --version 1.14.5

Running pre-flight check

helm install cilium-preflight ./cilium --namespace=kube-system --set preflight.enabled=true  --set agent=false --set operator.enabled=false

Clean up pre-flight check (After pre-flight success)

helm del -n kube-system cilium-preflight

Upgrade cilium

helm upgrade cilium cilium/cilium --version 1.14.5 --namespace=kube-system  --set upgradeCompatibility=1.11.7 --set ipam.operator.clusterPoolIPv4PodCIDRList=10.233.64.0/18 --set kubeProxyReplacement=false --set operator.image.override=cilium/operator-generic:v1.14.5 --set image.override=cilium/cilium:v1.14.5