feat: Commit initial

ansible/roles/k3s-server/files/k3s-pre-reboot.sh

@@ -0,0 +1,32 @@
+#!/bin/bash
+# K3s pre-reboot script
+# Drains the node before system reboot to migrate workloads gracefully
+
+set -e
+
+# Only run if k3s is active
+if systemctl is-active --quiet k3s; then
+  NODE_NAME=$(hostname)
+
+  echo "$(date): Starting pre-reboot drain for node $NODE_NAME" | logger -t k3s-pre-reboot
+
+  # Set KUBECONFIG
+  export KUBECONFIG=/etc/rancher/k3s/k3s.yaml
+
+  # Drain the node (migrate pods to other nodes)
+  /usr/local/bin/k3s kubectl drain "$NODE_NAME" \
+    --ignore-daemonsets \
+    --delete-emptydir-data \
+    --force \
+    --timeout=300s 2>&1 | logger -t k3s-pre-reboot
+
+  if [ $? -eq 0 ]; then
+    echo "$(date): Node $NODE_NAME drained successfully" | logger -t k3s-pre-reboot
+  else
+    echo "$(date): Warning - Node drain failed or timed out" | logger -t k3s-pre-reboot
+  fi
+else
+  echo "$(date): k3s service not active, skipping drain" | logger -t k3s-pre-reboot
+fi
+
+exit 0