Add AI lab maintenance toolkit

labs/linux/ailab-maintenance/scripts/ailab-vm-audit.sh

@@ -0,0 +1,42 @@
+#!/usr/bin/env bash
+set -o errexit
+set -o nounset
+set -o pipefail
+
+section() {
+  printf '\n== %s ==\n' "$1"
+}
+
+if ! command -v virsh >/dev/null 2>&1; then
+  printf 'INFO: virsh is not installed; VM audit skipped\n'
+  exit 0
+fi
+
+section "Virtual machines"
+virsh list --all || printf 'WARNING: unable to list virtual machines\n'
+
+section "Storage pools"
+virsh pool-list --all || printf 'WARNING: unable to list storage pools\n'
+
+mapfile -t pools < <(virsh pool-list --all --name 2>/dev/null | sed '/^[[:space:]]*$/d' || true)
+for pool in "${pools[@]}"; do
+  section "Volumes in pool: $pool"
+  virsh vol-list "$pool" || printf 'WARNING: unable to list volumes in pool %s\n' "$pool"
+done
+
+section "Possible VM disk and installation images"
+search_roots=()
+for path in /var/lib/libvirt /srv /opt; do
+  [[ -d "$path" ]] && search_roots+=("$path")
+done
+
+if ((${#search_roots[@]} == 0)); then
+  printf 'INFO: no configured search roots are present\n'
+else
+  find "${search_roots[@]}" -xdev -type f \
+    \( -iname '*.qcow2' -o -iname '*.raw' -o -iname '*.iso' \) \
+    -printf '%12s bytes  %p\n' 2>/dev/null \
+    | sort -nr || true
+fi
+
+printf '\nINFO: audit complete; no files or libvirt resources were modified\n'