Add node diagnostics script

scripts/check_node.sh

@@ -0,0 +1,90 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+echo "=================================================="
+echo " Virtuality Node Diagnostics"
+echo "=================================================="
+
+echo
+ echo "[System]"
+if [[ -f /etc/os-release ]]; then
+  . /etc/os-release
+  echo "OS: ${PRETTY_NAME}"
+fi
+uname -a
+
+echo
+ echo "[CPU virtualization]"
+if grep -E -q '(vmx|svm)' /proc/cpuinfo; then
+  echo "OK: hardware virtualization flag found"
+else
+  echo "WARNING: vmx/svm flag not found"
+fi
+
+echo
+ echo "[Services]"
+for service in libvirtd virtlogd cockpit.socket; do
+  if systemctl list-unit-files | grep -q "^${service}"; then
+    echo -n "${service}: "
+    systemctl is-active "$service" || true
+  else
+    echo "${service}: not installed"
+  fi
+done
+
+echo
+ echo "[Packages]"
+for bin in virsh qemu-system-x86_64 virt-install cockpit-bridge; do
+  if command -v "$bin" >/dev/null 2>&1; then
+    echo "OK: $bin -> $(command -v "$bin")"
+  else
+    echo "MISSING: $bin"
+  fi
+done
+
+echo
+ echo "[libvirt VMs]"
+if command -v virsh >/dev/null 2>&1; then
+  virsh list --all || true
+else
+  echo "virsh not found"
+fi
+
+echo
+ echo "[libvirt storage pools]"
+if command -v virsh >/dev/null 2>&1; then
+  virsh pool-list --all || true
+else
+  echo "virsh not found"
+fi
+
+echo
+ echo "[Network interfaces]"
+ip -br a || true
+
+echo
+ echo "[Routes]"
+ip route || true
+
+echo
+ echo "[Virtuality paths]"
+for dir in /opt/virtuality /var/lib/virtuality /var/lib/virtuality/iso /var/lib/virtuality/images /var/lib/virtuality/backups /var/log/virtuality; do
+  if [[ -d "$dir" ]]; then
+    echo "OK: $dir"
+  else
+    echo "MISSING: $dir"
+  fi
+done
+
+echo
+ echo "[Firewall]"
+if command -v ufw >/dev/null 2>&1; then
+  ufw status || true
+else
+  echo "ufw not installed"
+fi
+
+echo
+ echo "=================================================="
+echo " Diagnostics completed"
+echo "=================================================="