# ------------------------------------------------------------------------------
# Configure NTP
# This file is part of the init.sh project
# Copyright (c) 2019-2021 Geoffray Levasseur <fatalerrors@geoffray-levasseur.org>
# ------------------------------------------------------------------------------
# This file is distributed under 3-clause BSD license.
# The complete license agreement can be obtained at:
# https://opensource.org/licenses/BSD-3-Clause
# ------------------------------------------------------------------------------
# Variable:
#  * NTPSERVERS: list of NTP servers
# ------------------------------------------------------------------------------

export VER_conf_ntp="0.1.1"
export DEP_conf_ntp=""

conf_ntp()
{
    if [[ $(pidof systemd) ]]; then
        prnt I "Désactivation de Systemd-timesyncd..."
        systemctl disable systemd-timesyncd || true
    fi

    prnt I "Installation du démon ntp..."
    pkginst ntp
    prnt I "Arrêt du service ntp..."
    svc_stop ntp

    prnt I "Installation du fichier de configuration de NTP."
    local dest="/etc/ntp.conf.work"
    backupdist /etc/ntp.conf
    installfile ntp.conf $dest
    local line=""
    for srv in $NTPSERVERS; do
        line="${line}server $srv iburst\n"
    done
    sed -i -e "s/@SERVERLIST@/$line/" $dest &&
        echo "# Generated on $(stdtime)" >> $dest &&
        mv -fv $dest /etc/ntp.conf

    prnt I "Démarrage du service ntp..."
    svc_start ntp

    prnt -n I "Attente de 5 secondes pour synchronisation de l'heure"
    dsleep 5

    ntptime
}

# NTP
precheck_conf_ntp()
{
    if [[ -z $NTPSERVERS ]]; then
        prnt E "Pas de serveur NTP configuré !"
        die 151
    else
        prnt m "Les serveurs ntp utilisés seront : $NTPSERVERS"
    fi
}

export -f conf_ntp
export -f precheck_conf_ntp

# EOF