#!/bin/sh
# --
# redhat-rcotrs - rc script of otrs for RedHat Linux
# Copyright (C) 2001-2011 OTRS AG, http://otrs.org/
# --
# This software comes with ABSOLUTELY NO WARRANTY. For details, see
# the enclosed file COPYING for license information (AGPL). If you
# did not receive this file, see http://www.gnu.org/licenses/agpl.txt.
# --
# chkconfig: 2345 92 92
# description: Open Ticket Request System
# config: /etc/sysconfig/otrs

#
# load the configuration
#
if test -r /etc/sysconfig/otrs; then
    . /etc/sysconfig/otrs
else
    echo "ERROR: Can't find /etc/sysconfig/otrs!"
    exit 5;
fi

#
# fillup PATH - just beware perl "warnings" (unimportant)
#
PATH=$PATH:
export PATH

#
# check needed files
#
if ! test -r $OTRS_POSTMASTER; then
    echo "Error: $OTRS_POSTMASTER not found!"
    exit 5
fi

if ! test -d $OTRS_SPOOLDIR; then
    echo "Error: $OTRS_SPOOLDIR not found!"
    exit 5
fi

if ! test -r $OTRS_CHECKDB; then
    echo "Error: $OTRS_CHECKDB not found!"
    exit 5
fi

if ! test -r $OTRS_CHECKSCHEDULER; then
    echo "Error: $OTRS_CHECKSCHEDULER not found!"
    exit 5
fi

#
# main part
#
case "$1" in
    # ------------------------------------------------------
    # start
    # ------------------------------------------------------
    start)
      echo $"Starting $OTRS_PROG.."

      # --
      # test if apache is running..
      # --
      if test $OTRS_HTTP_RUNNING -gt 0; then
    echo -n " Checking httpd ..."
        if $OTRS_USED_WEBSERVER_TEST >/dev/null 2>&1; then
          echo " done."
        else
          echo "  failed!"
          echo "  --> Please start the web server first! (service $OTRS_USED_WEBSERVER start) <--"
          exit 1
        fi
      else
          echo " Disabled: httpd check!"
      fi

      # --
      # database connection
      # --
      echo -n " Checking database connection... "
      if ! $OTRS_CHECKDB -s 1; then
          echo " Error! "
      echo "  Maybe your database isn't configured yet? "
          echo ""
          echo " Try the web installer to configure your database: "
          echo ""
          echo "     -->> http://$OTRS_HOST/$OTRS_HTTP_LOCATION/installer.pl <<-- "
          echo ""
          echo " or configure your database with README.database (DB - Setup Example)    "
          exit 1;
      else
          echo " done."
      fi

      # --
      # OTRS Scheduler Service
      # --
      echo -n " Checking OTRS Scheduler Service... "
      if ! $OTRS_SCHEDULER_TEST >/dev/null 2>&1; then
          echo " Error! "
      echo "  This can happen if your database is not configured yet. "
          exit 1;
      else
          echo " done."
      fi  

      # --
      # enable otrs.PostMaster.pl
      # --
      echo -n " Enable $OTRS_POSTMASTER ..."
      if chmod 755 $OTRS_POSTMASTER; then
          echo " done."
      else
          echo " failed."
      fi

      # --
      # check otrs spool dir
      # --
      echo -n " Checking otrs spool dir... "
      for i in $OTRS_SPOOLDIR/* ; do
          # process old emails
          if echo $i | grep -v '*' >> /dev/null; then
              echo -n "   Starting otrs PostMaster... ($i) "
              if cat $i | $OTRS_POSTMASTER >> /dev/null 2>&1; then
                  rm $i && echo "(remove email) done.";
              else
                  echo "failed."
              fi
          fi
      done
      echo " done."

      # --
      # Cron stuff
      # --
      if test $OTRS_CRON_RUNNING -gt 0; then
        echo -e " Creating cronjobs (source $OTRS_CRON_DIR/*) ..."
        if mkdir -p $OTRS_CRON_DIR; cd $OTRS_CRON_DIR && ls * |grep -v '.dist'|grep -v '.save'|grep -v 'CVS'|grep -v '.rpm'| xargs cat > $OTRS_CRON_TMP_FILE && crontab $OTRS_CRON_USER $OTRS_CRON_TMP_FILE ; then
          echo " done."
        else
          echo " failed!"
          exit 1
        fi
      else
          echo " Disabled: cronjobs!"
      fi

      echo ""
      echo "  -->> http://$OTRS_HOST/$OTRS_HTTP_LOCATION/index.pl <<-- "
      echo $"Final start of $OTRS_PROG.. done"
    ;;
    # ------------------------------------------------------
    # stop
    # ------------------------------------------------------
    stop)
      echo "Shutting down OTRS "

      # --
      # disable otrs.PostMaster.pl
      # --
      echo -n " Disable $OTRS_POSTMASTER ..."
      if chmod 644 $OTRS_POSTMASTER; then
          echo " done."
      else
          echo " failed."
      fi

      # --
      # stop cron stuff
      # --
      if test $OTRS_CRON_RUNNING -gt 0; then
        echo -e " Shutting down cronjobs ..."
    if crontab $OTRS_CRON_USER -r ; then
          echo " done."
        else
          echo " failed!"
          exit 1
        fi
      else
          echo " Disabled: cronjobs!"
      fi

      # --
      # stop scheduler
      # --
      if test $OTRS_SCHEDULER_RUNNING -gt 0; then
          echo -e " Shutting down OTRS scheduler ..."
          $OTRS_SCHEDULER -a stop
          echo " done."
      fi
      
      echo $"Final shutdown of $OTRS_PROG.. done"
    ;;
    # ------------------------------------------------------
    # restart
    # ------------------------------------------------------
    restart)
      $0 stop
      $0 start
      # Remember status and be quiet
    ;;
    # ------------------------------------------------------
    # cleanup
    # ------------------------------------------------------
    cleanup)
      # --
      # check otrs spool dir
      # --
      echo -n " Checking otrs spool dir... "
      for i in $OTRS_SPOOLDIR/* ; do
          # process old emails
          if echo $i | grep -v '*' >> /dev/null ;then
            echo ""
            echo -n "   Starting otrs PostMaster... ($i) "
            if cat $i | $OTRS_POSTMASTER >> /dev/null 2>&1 ; then
               echo -n "remove email... " && (rm $i || echo "failed.")
            else
               echo "failed."
            fi
          fi
      done
      echo " done."
    ;;
    # ------------------------------------------------------
    # status
    # ------------------------------------------------------
    status)
      # --
      # httpd
      # --
      /sbin/service $OTRS_USED_WEBSERVER status

      # --
      # db check
      # --
      echo -n "Checking database connection... "
      if ! $OTRS_CHECKDB -s 1; then
          echo " Error! "
      echo " Maybe your database isn't configured yet? "
      else
          echo "done."
      fi

      # --
      # scheduler check
      # --
      echo -n "Checking OTRS Scheduler service.... "
      if ! $OTRS_CHECKSCHEDULER -s 1; then
          echo " Error! "
      echo " Maybe your database isn't configured yet? "
      else
          echo "done."
      fi

      # --
      # postmaster check
      # --
      echo -n "Checking $OTRS_POSTMASTER ... "
      if test -x $OTRS_POSTMASTER; then
          echo "(active) done."
      else
          echo "(not active) failed."
      fi

      # --
      # spool dir
      # --
      echo -n "Checking otrs spool dir... "
      for i in $OTRS_SPOOLDIR/* ; do
          # echo old emails
          echo $i | grep -v '*' > /dev/null && \
            echo "" && \
            echo -n " (message:$i) found! "
      done
      echo "done."
    ;;
    *)
    echo "Usage: $0 {start|stop|status|restart|cleanup}"
    exit 1
esac

# Inform the caller not only verbosely and set an exit status.

