Initialize AlmaLinux PXE boot repo

scripts/sync_alma_tree.sh

@@ -0,0 +1,76 @@
+#!/bin/bash
+
+set -euo pipefail
+
+ISO_PATH=""
+HTTP_ROOT=""
+MOUNT_DIR=""
+
+usage() {
+    cat <<'EOF'
+Usage: sync_alma_tree.sh --iso FILE --http-root DIR [--mount-dir DIR]
+
+Mount an AlmaLinux ISO read-only and copy its contents into an HTTP-served
+install tree for PXE/Kickstart use.
+EOF
+}
+
+while [[ $# -gt 0 ]]; do
+    case "$1" in
+        --iso)
+            ISO_PATH="$2"
+            shift 2
+            ;;
+        --http-root)
+            HTTP_ROOT="$2"
+            shift 2
+            ;;
+        --mount-dir)
+            MOUNT_DIR="$2"
+            shift 2
+            ;;
+        -h|--help)
+            usage
+            exit 0
+            ;;
+        *)
+            echo "Unknown option: $1" >&2
+            usage >&2
+            exit 1
+            ;;
+    esac
+done
+
+if [[ -z "$ISO_PATH" || -z "$HTTP_ROOT" ]]; then
+    usage >&2
+    exit 1
+fi
+
+if [[ ! -f "$ISO_PATH" ]]; then
+    echo "ISO not found: $ISO_PATH" >&2
+    exit 1
+fi
+
+if [[ $EUID -ne 0 ]]; then
+    echo "Re-running with sudo..."
+    exec sudo "$0" "$@"
+fi
+
+if [[ -z "$MOUNT_DIR" ]]; then
+    MOUNT_DIR="$(mktemp -d /tmp/alma-iso.XXXXXX)"
+fi
+
+cleanup() {
+    if mountpoint -q "$MOUNT_DIR"; then
+        umount "$MOUNT_DIR"
+    fi
+    rmdir "$MOUNT_DIR" 2>/dev/null || true
+}
+
+trap cleanup EXIT
+
+mkdir -p "$HTTP_ROOT"
+mount -o loop,ro "$ISO_PATH" "$MOUNT_DIR"
+rsync -aH --delete "$MOUNT_DIR"/ "$HTTP_ROOT"/
+
+echo "Synced AlmaLinux tree to $HTTP_ROOT"