#!/bin/bash
. /etc/os-release

MAJOR_VERSION=$(echo "${VERSION_ID}" | cut -d. -f1)

if [ "$ID" == "almalinux" ]; then
    echo "OK: AlmaLinux"
    exit 0
fi

if [ "$ID" == "cloudlinux" ] && [ "$MAJOR_VERSION" == "9" ]; then
    echo "OK: CloudLinux 9"
    exit 0
fi

if ! uname -r | grep -q lve; then
    echo "CRITICAL: Non-LVE kernel"
    exit 2
else
    echo "OK: LVE kernel"
    exit 0
fi