#!/bin/sh

# virtualcron    Start virtual cron daemons
#
# chkconfig: 345 99 10
# description: Virtual site cron daemon service

RETVAL=0

OK="echo -en \\033[1;32m"
FAIL="echo -en \\033[1;31m"
END="echo -en \\033[0;39m"

UP="echo -en \\033[1;32m"
DOWN="echo -en \\033[1;31m"
END="echo -en \\033[0;39m"

# See how we were called.
case "$1" in
  start)
    echo "Starting virtualcron for ALL sites"

    (
    cd /home/virtual
    for domain in *.*
    do
        [[ ! -d ./$domain ]] && continue
        if [[ -x /home/virtual/$domain/usr/sbin/crond ]]
        then
            $0 domain-start $domain
        fi
    done
    )

    ;;
  domain-start)

        domain=$2

        site=$(awk '$1 == "'"$domain"'" {print $3;exit}' \
                 /etc/virtualhosting/mappings/domainmap)
        ison=$(ls -ald /home/virtual/* | \
               egrep "$site/fst"'$' | fgrep -v virtual/admin)

        if [ "x$ison" = "x" ]
        then
            echo "$domain not active."
            exit
        fi
        
        pid="$(egrep "r-xp.*virtual/$site/fst/usr/sbin/crond" \
                /proc/*/maps 2>/dev/null | awk -F/ '{print $3}')"

        if [ "x$pid" = "x" ]
        then
            /usr/sbin/chroot /home/virtual/$domain /usr/sbin/crond
            sleep 1
            pid="$(egrep "r-xp.*virtual/$site/fst/usr/sbin/crond" \
                      /proc/*/maps 2>/dev/null | awk -F/ '{print $3}')"

        else
            status="previously started - $pid"
        fi

        output=$(kill -0 $pid 2>&1 | sed -e 's/.*kill://')

        if [ "x$output" = "x" ]
        then
            color=$OK
            if [ "$status" = "" ]
            then
                status="started - $pid"
            fi
        else
            color=$FAIL
            status=failed
        fi

        printf "%-40s " $domain
        $color
        echo -n "[$status] "
        $END
        echo "$output"

    ;;
  stop)
    echo "Stopping virtualcron for ALL sites"

    (
    cd /home/virtual
    for domain in *.*
    do
        [[ ! -d ./$domain ]] && continue
        $0 domain-stop $domain
    done
    )

    ;;
  domain-stop)

        domain=$2
        site=$(awk '$1 == "'"$domain"'" {print $3;exit}' \
                 /etc/virtualhosting/mappings/domainmap)
        pid="$(egrep "r-xp.*virtual/$site/fst/usr/sbin/crond" \
                /proc/*/maps 2>/dev/null | awk -F/ '{print $3}')"
        nopid=0

        if [ "x$pid" = "x" ]
        then
            ison=$(ls -ald /home/virtual/* | \
                   egrep "$site/fst"'$' | fgrep -v virtual/admin)

            if [ "x$ison" = "x" ]
            then
                continue
            else
                nopid=1
                status="previously stopped"
            fi
        fi
        
        if [ $nopid = 0 ]
        then
            output=$(kill $pid 2>&1 | sed -e 's/.*kill://')
        fi

        if [ "x$output" = "x" ]
        then
            color=$FAIL
            if [ "$status" = "" ]
            then
                status="stopped - $pid"
            fi
        else
            color=$FAIL
            status=failed
        fi

        printf "%-40s " $domain
        $color
        echo -n "[$status] "
        $END
        echo "$output"
    ;;
  status)


    cd /home/virtual
    for site in site*
    do
        domain=$(awk '$3 == "'"$site"'" {print $1;exit}' \
                 /etc/virtualhosting/mappings/domainmap)
        base="$(egrep "r-xp.*virtual/$site/fst/usr/sbin/crond" \
                /proc/*/maps 2>/dev/null | \
                sed -e 's/^.* //' -e 's#/fst.*##')"

        if [ "x$base" = "x" ]
        then
             ison=$(ls -ald /home/virtual/* | \
                    egrep "$site/fst"'$' | fgrep -v virtual/admin)

            if [ "x$ison" = "x" ]
            then
                continue
            else
                status="stopped"
                color="$DOWN"
            fi
        else
            pid="$(egrep "r-xp.*virtual/$site/fst/usr/sbin/crond" \
                    /proc/*/maps 2>/dev/null | awk -F/ '{print $3}')"
            status="running - $pid"
            color="$UP"
        fi

        printf "%-40s " $domain
        $color
        echo -n "[$status]"
        $END
        echo 
    done
    ;;
    activate)

        domain="$2"

        echo -n "Activating $domain: "

        site=$(awk '$1 == "'"$domain"'" {print $3;exit}' \
                 /etc/virtualhosting/mappings/domainmap)

        if [[ "x$site" = "x" ]]
        then
            $FAIL
            echo " invalid domain $domain specified"
            $END
            exit 1
        fi

        ison=$(ls -ald /home/virtual/* | \
               egrep "$site/fst"'$' | fgrep -v virtual/admin)

        if [ "x$ison" = "x" ]
        then
            $FAIL
            echo "[failed]: $domain not active or does not exist."
            $END
            exit
        fi

        SITECT=/home/virtual/FILESYSTEMTEMPLATE/siteinfo/usr/bin/crontab
        SITECD=/home/virtual/FILESYSTEMTEMPLATE/siteinfo/usr/sbin/crond

        if [[ ! -x $SITECT ]]
        then
            echo -n ' (adding /usr/bin/crontab to FIELSYSTEMTEMPLATE) '
            cp /usr/bin/crontab $SITECT
            chown root:root $SITECT
            chmod 4755 $SITECT
        fi

        if ! ln $SITECT /home/virtual/$domain/usr/bin/crontab
        then
            $FAIL
            echo "[failed]: see error output"
            $END
            exit
        fi

        if [[ ! -x $SITECD ]]
        then
            echo -n ' (adding /usr/sbin/crond to FIELSYSTEMTEMPLATE) '
            cp /usr/sbin/crond $SITECD
            chown root:root $SITECD
            chmod 755 $SITECD
        fi

        if ! ln $SITECD /home/virtual/$domain/usr/sbin/crond
        then
            $FAIL
            echo "[failed]: see error output"
            $END
            exit
        fi

        $OK
        echo "[OK]"
        $END

        $0 domain-start $domain

  ;;
  deactivate)

      domain=$2

      $0 domain-stop $domain

      echo -n "Removing crond for $domain: "
      /bin/rm /home/virtual/$domain/usr/sbin/crond
      echo done

      echo -n "Removing crontab for $domain: "
      /bin/rm /home/virtual/$domain/usr/bin/crontab
      echo done

  ;;
  restart|reload)
    $0 stop
    $0 start
    RETVAL=$?
    ;;
  *)
    echo "Usage: virtualcron {start|stop|domain-start|domain-stop|restart|status}"
    exit 1
esac

exit $RETVAL