#!/bin/sh
# 30-kernel-modules.sh — Load required kernel modules for K8s

MODULES_LIST="/usr/lib/kubesolo-os/modules.list"

if [ ! -f "$MODULES_LIST" ]; then
    log_warn "No modules list found at $MODULES_LIST"
    return 0
fi

LOADED=0
FAILED=0

while IFS= read -r mod; do
    # Skip comments and blank lines
    case "$mod" in
        '#'*|'') continue ;;
    esac
    # NOTE: do NOT use tr -d '[:space:]' — Ubuntu's busybox-static 1.30.1 (used
    # in the ARM64 rootfs override) doesn't parse POSIX char classes and treats
    # them as a literal set, deleting [, :, s, p, a, c, e, ]. Use explicit
    # whitespace chars instead so the same script works under any tr.
    mod="$(printf '%s' "$mod" | tr -d ' \t\r\n')"
    if modprobe "$mod" 2>/dev/null; then
        LOADED=$((LOADED + 1))
    else
        log_warn "Failed to load module: $mod (may be built-in)"
        FAILED=$((FAILED + 1))
    fi
done < "$MODULES_LIST"

log_ok "Loaded $LOADED modules ($FAILED failed/built-in)"