#! /bin/bash

#   It is vitally important that server time would be correct during server install/upgrade. This script synchronizes system clock with one of internet ntp time servers
#
#   Arguments:
#
#       $1  -   FIRST_INSTALL           #  if this argument is present the script immeadiately exits if any failure occours this way aborting further installation
#       NO ARGUMENTS                    #  will try to synchronize the time, will report { FAILED, OK } silently

# Rocky9 compatible

FIRST_INSTALL="$1"

. /usr/src/k_framework/main.sh

VERSION="1.1.1"
SCRIPT_NAME="Time Sync"


k_start
k_detect_os

if [[ $ROCKY9 == 1 ]]; then

    if  [ ! -f /usr/sbin/chronyd ]; then
        yum -y install chronyd
    else
        report "chronyd is installed" 0
    fi

    if k_service_is_running chronyd; then
        report "chronyd service is running" 0
    else
        report "chronyd service is not running" 2
        k_service_start chronyd
        if k_service_is_running chronyd; then
            report "chronyd service is running" 0
        else
            report "chronyd service is not running. Failed to start, solve manually" 1
            k_exit 1
        fi
    fi

    if k_service_is_enabled chronyd; then
        report "chronyd service is enabled" 0
    else
        report "chronyd service is disabled" 2
        k_service_enable chronyd
        if k_service_is_enabled chronyd; then
            report "chronyd service is enabled" 0
        else
            report "chronyd service is disabled. Failed to enable, solve manually" 1
            k_exit 1
        fi
    fi

    # force sync time
    service chronyd stop
    chronyd -q 'pool pool.ntp.org iburst'
    service chronyd start
    date

    k_exit $EXIT_CODE
fi


# Other OS, not Rocky9

if  [ ! -f /usr/sbin/ntpd ]; then
    yum -y install ntp
fi

if  [ -f /usr/sbin/ntpdate ]; then
    k_service_stop ntpd
    /usr/sbin/ntpdate ntp.ubuntu.com    &> /dev/null    #hiding any output
    k_service_start ntpd.service
else
    report "Failed to install ntpdate command which synchronizes your clock with one of the internet time servers.  Check server internet connection or contact the Kolmisoft team." 1
    if [ "$FIRST_INSTALL" == "FIRST_INSTALL" ]; then echo -e "\nThis type of problem WILL LEAD to serious problems during installation, aborting installation.\n"; fi
    k_exit 1
fi

# Check if ntpd starts after server is restarted
if ! k_service_is_enabled ntpd; then
    k_service_enable ntpd
    k_service_restart ntpd
    report "Added ntpd service to autostart" 3
    rm -rf /etc/cron.d/ntpdate &> /dev/null# no longer needed.
fi


k_service_stop ntpd
/usr/sbin/ntpdate pool.ntp.org &> /dev/null    #hiding any output
k_service_start ntpd


if [ "$?" == "0" ]; then
    report "NTP: time synchronized successfully" 0
    k_exit 0
else    #if fails
    if hash ntpd 2> /dev/null
    then  #maybe ntpd daemon is interfering with ntpdate?

        k_service_stop ntpd &> /dev/null    #hiding any output

        /usr/sbin/ntpdate ntp.ubuntu.com    &> /dev/null    #hiding any output
        STATUS="$?"

        k_service_start ntpd.service &> /dev/null    #hiding any output

        if [ "$STATUS" == "0" ]; then
            report "NTP: time synchronized successfully" 0
            k_exit 0
        else
            report "Failed to synchronize your clock with one of the internet time servers, this could lead to serious problems, aborting installation." 1
            if [ "$FIRST_INSTALL" == "FIRST_INSTALL" ]; then k_exit 1; fi
        fi
    else
        report "Failed to synchronize your clock with one of the internet time servers, this could lead to serious problems, aborting installation." 1
        if [ "$FIRST_INSTALL" == "FIRST_INSTALL" ]; then k_exit 1; fi
    fi
fi


k_exit $EXIT_CODE