Uninstall Kubernetes from node

uninstall-k8s.sh

#!/bin/bash
set -e

echo "[1/6] Resetting kubeadm"
kubeadm reset -f || true

echo "[2/6] Stopping services"
systemctl stop kubelet || true
systemctl disable kubelet || true
systemctl stop containerd || true
systemctl disable containerd || true

echo "[3/6] Cleaning up directories"
rm -rf /etc/kubernetes /var/lib/kubelet /var/lib/etcd /etc/cni/net.d /var/lib/cni
rm -f /etc/kubernetes/bootstrap-kubelet.conf

echo "[4/6] Flushing iptables"
iptables -F
iptables -t nat -F
iptables -t mangle -F
ipvsadm --clear 2>/dev/null || true

echo "[5/6] Removing packages"
dnf remove -y kubelet kubeadm kubectl containerd.io || true

echo "[6/6] Removing repo"
rm -f /etc/yum.repos.d/kubernetes.repo

echo "✅ Kubernetes fully removed from this node."