god.sh

#!/bin/bash

### BEGIN INIT INFO
# Provides:          god control
# Required-Start:    $remote_fs $syslog
# Required-Stop:     $remote_fs $syslog
# Default-Start:     2 3 4 5
# Default-Stop:      0 1 6
# Short-Description: Starts god  at boot time
# Description:       Starts god and all the services it is supposed to watch
### END INIT INFO

#
# god startup
# cypher, Fri May 8 11:54:53 CEST 2009
# based on nostromos iptables script
#

#
# update-rc.d god.sh start 40 S . stop 89 0 6 .
#

# config: God config file

GOD_CONFIG=

# config: Log level. Must be one of [debug|info|warn|error|fatal]

GOD_LOG_LEVEL=warn

# config: Disables output to syslog if set to true

GOD_NO_SYSLOG=true

# config: Location of the log file. Leave empty for default location

GOD_LOG_FILE=/root/god.log

# config: God files to load on startup

GOD_STARTUP_FILES=(/home/assets/assets/god/asset.god)


#
# do not modify beyond this line, except you really know what
# you're doing... you've been warned!
#

PATH=/bin:/sbin:/usr/bin:/usr/sbin:/usr/local/bin:/usr/local/sbin

GOD=$(which god)

if ! [ -x $GOD ]; then
    echo "There is no god (god binary not found/set). exiting.."
    exit 0
fi

god_start () {
    GOD_OPTIONS=''

    # Pass config file to god if $GOD_CONFIG is set (and readable)
    if [[ -n "${GOD_CONFIG}" ]]; then
        if [[ -r $GOD_CONFIG ]]; then
            GOD_OPTIONS="-c ${GOD_CONFIG}"
        else
            echo "Warning: god config file '$GOD_CONFIG' doesn't exist and/or isn't readable. Skipping.."
        fi
    fi

    # Set the log level
    if [[ -n "${GOD_LOG_LEVEL}" ]] && [[ "${GOD_LOG_LEVEL}" =~ /^debug|info|warn|error|fatal$/ ]]; then
        GOD_OPTIONS="${GOD_OPTIONS} --log-level ${GOD_LOG_LEVEL}"
    else
        echo 'Warning: You need to set GOD_LOG_LEVEL to one of [debug|info|warn|error|fatal]!'
        echo "Defaulting log level to 'warn'."
        GOD_OPTIONS="${GOD_OPTIONS} --log-level warn"
    fi

    # Disable syslog
    if [[ -n "${GOD_NO_SYSLOG}" ]]; then
        GOD_OPTIONS="${GOD_OPTIONS} --no-syslog"
    fi

    # Set path to logfile
    if [[ -n "${GOD_LOG_FILE}" ]]; then
        GOD_OPTIONS="${GOD_OPTIONS} --log ${GOD_LOG_FILE}"
    fi

    $GOD $GOD_OPTIONS

    for file in ${GOD_STARTUP_FILES[*]}
    do
        # Make sure file exists and is readable before loading it
        if [[ -r $file ]]; then
            $GOD load $file
        else
            echo "Warning: File '$file' doesn't exist and/or isn't readable. Skipping.."
        fi
    done
}

god_stop () {
    $GOD terminate
}

god_restart () {
    god_stop
    god_start
}

god_status() {
    echo "running god check.."
    $GOD check
    echo "status:"
    $GOD status
}

case "$1" in
  start)
    echo -n "starting god.. "
    god_start
    echo "done."
    ;;
  restart)
    echo -n "restarting god.. "
    god_restart
    echo "done."
    ;;
  stop)
    echo -n "stopping god.. "
    god_stop
    echo "done."
    ;;
  status)
    god_status
    ;;
  *)
    echo "Usage: $0 {start|stop|restart|status}"
    exit 1
    ;;
  esac

exit 0