#!/bin/bash

echo ""
echo "... ] INSTALLING CHRONY NTP CLIENT [ ..."

HOME=$( cd "$(dirname "$0")" && pwd )
source $HOME/../config

systemctl stop chrony.service

apt-get update -q
apt-get install -y chrony

if [ ! -z ${NTP_SERVER} ]; then
cat <<EOF > /etc/chrony/chrony.conf
server ${NTP_SERVER} iburst
keyfile /etc/chrony/chrony.keys
driftfile /var/lib/chrony/chrony.drift
#log tracking measurements statistics
logdir /var/log/chrony
maxupdateskew 100.0
rtcsync
makestep 1 3
EOF
fi

systemctl enable chrony.service
systemctl start chrony.service