#!/bin/sh

set -e

default=/etc/default/ngcp-rtpengine-daemon
modname=xt_RTPENGINE

if [ -x "$(which ngcp-virt-identify)" ]; then
	if ngcp-virt-identify --type container; then
		VIRT="yes"
	fi
fi

if [ "$VIRT" = "yes" ]; then
	echo "Container environment detected. Skip kernel module check"
else
	if [ -f $default ]; then
		. $default || true
	fi

	if [ -n "$TABLE" ] && [ "$TABLE" -ge 0 ] && \
		 [ -n "$NO_FALLBACK" ] && \
		 ([ "$NO_FALLBACK" = "1" ] || [ "$NO_FALLBACK" = "yes" ])
	then
		if lsmod | grep -q $modname || modinfo $modname > /dev/null 2> /dev/null; then
			true
		else
			echo "Kernel module $modname not found and NO_FALLBACK is set."
			echo "Daemon restart not performed."
			exit 0
		fi
	fi
fi

#DEBHELPER#

exit 0