#!/bin/sh

PREFIX=

. "$PREFIX/lib/libalpine.sh"

usage() {
        cat <<__EOF__
usage: setup-ntp [-hn]

Setup NTP time synchronization

options:
 -h  Show this help
 -n  Don't prompt, just use defaults
__EOF__
        exit 1
}

while getopts "hn" opt; do
        case $opt in
                n) PROMPT="0";;
		h) usage;;
        esac
done

if [ "$PROMPT" != "0" ]; then
	echo "Which NTP service would you like to use? (openntpd, chrony, none) [openntpd]"
	default_read ntpchoice "openntpd"
	if [ "$ntpchoice" = "none" ]; then 
		exit 0
	fi
fi

acfinstalled="`apk version acf-core -q | awk '{print $1}'`"
if [ "$ntpchoice" = "chrony" ]; then
	if [ "$acfinstalled" != "ERROR:" ]; then
		apk add acf-chrony -q
	else
		apk add chrony -q
	fi
	
	echo "10 chronypass" > /etc/chrony/chrony.keys

	/etc/init.d/chronyd start
	rc-update add chronyd default
elif [ "$ntpchoice" = "openntpd" ]; then
	apk add openntpd -q
	/etc/init.d/ntpd start
	rc-update add ntpd default
fi