#!/bin/bash

## Script Location
SCRIPTDIR=$(dirname $0)
source "$SCRIPTDIR/common/colors.sh"
source "$SCRIPTDIR/common/functions.sh"
source "$SCRIPTDIR/common/load-defaults.sh"


do_limit_journal() {
  systemd_journald_conf="/etc/systemd/journald.conf"
  if [[ $(grep -L "Change Logging maximums" $systemd_journald_conf) ]]; then
    printf "$COL_YELLOW" "** Applying Systemd Journal tweak"
    cat <<EOT >> $systemd_journald_conf
#Change Logging maximums
RuntimeMaxFileSize=50
RuntimeMaxFiles=100
EOT
  else
    printf "$COL_YELLOW" "** Systemd Journal tweak already applied"
  fi
}

printf "$COL_LIGHT_BLUE" "* Checking for Systemd Journal directory"
journal_directory="/var/log/journal"
if [ ! -d "$journal_directory" ]; then
  printf "$COL_YELLOW" "** creating Systemd Journal installation directory"
  mkdir $journal_directory
fi

if [ "$systemd_journaling_tweak" == "ask" ]; then
  if (whiptail --title "Systemd Journalling limits" --yes-button "yes" --no-button "no" --yesno "Do You want to limit systemd journalling?" 10 80)
  then
    systemd_journaling_tweak=1
  else
    systemd_journaling_tweak=0
  fi
fi


if [ "$systemd_journaling_tweak" == 1 ]; then
  printf "$COL_YELLOW" "** Limitting"
  do_limit_journal
  systemctl restart systemd-journald
else
  printf "$COL_YELLOW" "** not Applying Systemd Journal tweak"
fi