#!/bin/sh

# script installed as cronjob for handling
# machines which have not ntp or systemd-timessyncd installed
#
# (C) 2015 by sysmocom - s.f.m.c. GmbH
# Author: Henning Heinold

RUN_NTPDATE=1

# check for systemd otherwise assume sysvinit with ps

systemctl > /dev/null 2>&1

if [ $? -eq 0 ]; then
    systemctl status ntpd > /dev/null 2>&1 || systemctl status systemd-timesyncd > /dev/null 2>&1
else
    PS="ps"
    ps -ef > /dev/null 2>&1
    if [ $? -eq 0 ]; then
       PS="ps -ef"
    fi

    # poor man search for a running ntpd
    # under sysvinit we have no systemd-timesyncd
    $PS | grep -v grep | grep "ntpd " > /dev/null 2>&1
fi

RUN_NTPDATE=$?

# the commands must fail to run ntpdate
if [ ${RUN_NTPDATE} -ne 0 ]; then
    __bindir__/ntpdate-sync silent
fi