move helper scripts in scripts dir [ci skip]

scripts/update_k8s.sh

@@ -0,0 +1,36 @@
+#!/usr/bin/env bash
+
+# run for all nodes using :
+# for n in $(kbn | grep 'k8s-node' | awk '{print $1}'); do echo $n; kb drain $n --ignore-daemonsets --delete-emptydir-data; s wizard@$n 'bash -s' <update_k8s.sh; kb uncordon $n; done
+
+set -e
+export stable_version='1.32'  # change me
+export release="$stable_version.4"  # change me
+
+echo "Upgrading to $stable_version"
+
+echo "deb [signed-by=/etc/apt/keyrings/kubernetes-apt-keyring.gpg] https://pkgs.k8s.io/core:/stable:/v$stable_version/deb/ /" | sudo tee /etc/apt/sources.list.d/kubernetes.list
+sudo mkdir -p /etc/apt/keyrings
+curl -fsSL "https://pkgs.k8s.io/core:/stable:/v$stable_version/deb/Release.key" | sudo gpg --dearmor -o /etc/apt/keyrings/kubernetes-apt-keyring.gpg --batch --yes
+
+sudo apt-mark unhold kubeadm kubelet kubectl
+sudo apt-get update 
+sudo apt-get install -y kubeadm="$release-*" 
+
+HOSTNAME=$(hostname)
+SEARCH_STR="master"
+
+if [[ "$HOSTNAME" == *"$SEARCH_STR"* ]]; then
+    echo "Upgrading master"
+    sudo kubeadm upgrade plan && sudo kubeadm upgrade apply v$release -y
+else
+    echo "Upgrading worker"
+    sudo kubeadm upgrade node 
+fi
+
+sudo apt-get install -y kubelet="$release-*" kubectl="$release-*"
+sudo apt-mark hold kubeadm kubelet kubectl
+
+
+sudo systemctl daemon-reload
+sudo systemctl restart kubelet