init.j2

#!/bin/sh
#
# /etc/init.d/selenium_{{sel_role}} -- startup script for selenium test server
#
### BEGIN INIT INFO
# Provides:          selenium_{{sel_role}}
# Required-Start:    $local_fs $remote_fs $network $syslog
# Required-Stop:     $local_fs $remote_fs $network $syslog
# Should-Start:      $named
# Should-Stop:       $named
# Default-Start:     2 3 4 5
# Default-Stop:      0 1 6
# Short-Description: Start Selenium {{sel_role}}.
# Description:       Start the Selenium {{sel_role}} server.
### END INIT INFO

PATH=/bin:/usr/bin:/sbin:/usr/sbin
NAME=selenium_{{sel_role}}
DESC="Selenium test server {{sel_role}}"
DEFAULT="/etc/default/${NAME}"
SE_PID="/var/run/${NAME}.pid"
JVM_TMP="/var/tmp/${NAME}_app"

if [ `id -u` -ne 0 ]; then
# no user change?
    echo "You need root privileges to run this script"
    exit 1
fi

# Make sure it is started with system locale
if [ -r /etc/default/locale ]; then
    . /etc/default/locale
    export LANG
fi

. /lib/lsb/init-functions

if [ -r /etc/default/rcS ]; then
    . /etc/default/rcS
fi

# overwrite settings with default file
if [ -f "${DEFAULT}" ]; then
    . "${DEFAULT}"
fi

# overridable defaults
SE_USER=${SE_USER:-"nobody"}
SE_GROUP=${SE_GROUP:-"nogroup"}
JAR_ARGS=${JAR_ARGS:-""}
JAVA_OPTS=${JAVA_OPTS:-""}


SYSTEM_JAVA=$(update-alternatives --query java|grep Value|cut -f 2 -d":")
if [ -z "$JAVA_HOME" -a ! -z "${SYSTEM_JAVA}" ]; then
    JAVA_HOME=$(dirname "${SYSTEM_JAVA}")
    JAVA_HOME=${JAVA_HOME%/bin}
fi
export JAVA_HOME JAVA_TMP JAVA_OPTS

case $1 in
start)
    $0 status
    if [ $? -eq 0 ]; then
        log_daemon_msg "No need to start another!"
        exit 0
    fi

    log_daemon_msg "Starting $DESC" "$NAME"

    # Some validation
    if [ -z "$JAVA_HOME" ]; then
        log_failure_msg "no JAVA found - please set JAVA_HOME"
        exit 1
    fi
    umask 022
    # Clean JVM_TMP directory
    if [ -d "$JVM_TMP" ]; then
        rm -rf "${JVM_TMP}" || {
            log_failure_msg "could not clean JVM temporary directory"
            exit 1
        }
    fi
    install -o ${SE_USER} -g ${SE_GROUP} -d ${JVM_TMP}

    if [ ! -z "${ROLE}" ] && [ "${ROLE}" != "standalone" ]; then
        JAR_ARGS="-role ${ROLE}"
    fi
    if [ ! -z "${HUB}" ]; then
        JAR_ARGS="${JAR_ARGS} -hub ${HUB}"
    fi

    if [ ! -z "${PORT}" ]; then
        JAR_ARGS="${JAR_ARGS} -port ${PORT}"
    fi

    start-stop-daemon   --start \
                        --background \
                        --pidfile "${SE_PID}" \
                        --make-pidfile \
                        --user "${SE_USER}" \
                        --group "${SE_GROUP}" \
                        --exec ${JAVA_HOME}/bin/java -- ${JAVA_OPTS} -jar /usr/local/lib/{{jar_file}} ${JAR_ARGS} ${EXTRA_ARGS}  2>&1 \
        | logger -t "${NAME}"
;;
stop)
    log_daemon_msg "Stopping ${DESC}" "${NAME}"
    $0 status
    if [ $? -eq 0 ]; then
        start-stop-daemon   --stop \
                            --pidfile "${SE_PID}" \
                            --retry=TERM/30/KILL/5
        rc=$?
        if [ $? -eq 0 ]; then
            if [ -f "${SE_PID}" ]; then
                rm "${SE_PID}"
            fi
            log_daemon_msg "${NAME} stopped"
        fi
        return ${rc}
    fi
;;
status)
   start-stop-daemon --status --pidfile "${SE_PID}" --name ${NAME}
   rc=$?
   case $rc in
      0) msg="$NAME is running with pid: $( cat ${SE_PID})." ;;
      1) msg="$NAME is not running but pid file exists." ;;
      3) msg="$NAME is not running.";;
      4) msg="Unable to determine status of ${NAME}";;
   esac
   log_daemon_msg $msg
   return $rc
;;
version)
    echo "${NAME} {{server_version}}"
;;
restart)
    $0 stop || true
    $0 start
;;
force-reload|reload)
   #TODO: actually test selenium reopens files
   start-stop-daemon --stop SIGUSR1 --pidfile "${SE_PID}"
;;
*)
    log_success_msg "Usage: $0 {start|stop|force-reload|restart|status|version}"
    exit 1
;;
esac
exit 0