#!/bin/bash
########################################################
#
#
#   Copyright (c) 2025, CEGAL DK,  All rights reserved.
#
#   PURPOSE/NOTES
#     Check Apache config files and status
#
#     arguments
#
#   REVISIONS:
#   Ver        Date        Author           Description
#
#   1.0        2025.09.11  CEGAL.DK/amg     created
#
#########################################################
progname=`basename $0`
BASEDIR=$(dirname "$0")
DATE=$(date +"%Y%m%d_%s")
LOG=`basename $progname .sh`.log

function logthis()
{
  THISDATE=`date '+%Y.%m.%d %H:%M:%S'`
  LOGTXT=$1
  LOGFILE=$2

  echo "${THISDATE}  $LOGTXT "
  echo "${THISDATE}  $LOGTXT " >> $LOGFILE
}

function main()
{
  logthis "---> Start" $LOG
  logthis "Check Apache config files and status" $LOG
  # Check size of ssl.conf file
  SSLCONF="/etc/httpd/conf.d/ssl.conf"
  if [ -f $SSLCONF ]; then
    FILESIZE=$(stat -c%s "$SSLCONF")
    if [ $FILESIZE -gt 0 ]; then
      logthis "File $SSLCONF exists and is not empty (size: $FILESIZE bytes)." $LOG
      # Remove SSLCONF
      rm -f $SSLCONF
      logthis "File $SSLCONF has been removed." $LOG
      # Create empty SSLCONF
      touch $SSLCONF
      logthis "Empty file $SSLCONF has been created." $LOG
    else
      logthis "File $SSLCONF exists but is empty! - Nothing to do" $LOG
    fi
    # Check Apache config syntax
    logthis "Checking Apache config syntax:" $LOG
    apachectl configtest >> $LOG 2>&1
    if [ $? -eq 0 ]; then
      logthis "Apache config syntax is OK." $LOG
    else
      logthis "Apache config syntax has errors!" $LOG
      exit 1
    fi
    # Check Apache service status
    logthis "Checking Apache service status:" $LOG
    systemctl status httpd >> $LOG 2>&1
    if [ $? -eq 0 ]; then
      logthis "Apache service is running." $LOG
    else
      logthis "Apache service is not running! - Starting service" $LOG
      systemctl start httpd >> $LOG 2>&1
        if [ $? -eq 0 ]; then
            logthis "Apache service has been started." $LOG
        else
            logthis "Failed to start Apache service!" $LOG
            exit 1
        fi
    fi
  fi
  logthis "End <---" $LOG
}

## Run main()
main
exit 0