Hyperboria init script

#!/bin/sh -e
### BEGIN INIT INFO
# Provides:          cjdroute
# Required-Start:    $remote_fs $network
# Required-Stop:     $remote_fs $network
# Default-Start:     2 3 4 5
# Default-Stop:      0 1 6
# Short-Description: Cjdns router
# Description:       A routing engine designed for security, scalability, speed and ease of use.
### END INIT INFO

PROG="cjdroute"
GIT_PATH="/opt/cjdns"
PROG_PATH="/opt/cjdns/build"
CJDNS_CONFIG="/etc/cjdroute.conf"
CJDNS_LOG="/var/log/cjdns/cjdroute.log"
CJDNS_USER="root"
CJDNS_TUN="cjdroute0"

start() {
     # Start it up with the user cjdns
     if [ $(pgrep cjdroute | wc -l) != 0 ];
     then
         echo "Cjdroute is already running. Doing nothing..."
     else
         #Recreate the tunnel. By prurigro
         echo "Cleaning old logs"
         cat /dev/null > $CJDNS_LOG
         echo "Starting cjdroute"
         sudo -u $CJDNS_USER $PROG_PATH/$PROG < $CJDNS_CONFIG >> $CJDNS_LOG &
     fi
 }

 stop() {

     if [ $(pgrep cjdroute | wc -l) != 2 ];
     then
         echo "Cjdroute isn't running."
     else
         echo "Killing cjdroute"
         killall cjdroute
     fi
 }

 flush() {
     echo "Cleaning log file, leaving last 100 rows\n"
     tail -100 $CJDNS_LOG > $CJDNS_LOG
 }

 status() {
     if [ $(pgrep cjdroute | wc -l) != 0 ];
     then
         echo "Hyperboria is running"
     else
         echo "Hyperboria is not running"
     fi
 }


 update() {
     cd $GIT_PATH
     echo "Updating..."
     git pull
     cd build
     echo "Running cmake..."
     export LOG_LEVEL=debug
     cmake ..
     echo "Making..."
     make
 }

setup() {
     echo "Ensuring you have the required software..."
     apt-get install -y cmake make git
     echo "Cloning from github..."
     cd /opt/
     git clone https://github.com/cjdelisle/cjdns.git
     echo "Building..."
     mkdir /opt/cjdns/build
     cd /opt/cjdns/build
     export LOG_LEVEL=debug
     cmake ..
     make
     echo "Generating a config file..."
     /opt/cjdns/build/cjdroute --genconf > $CJDNS_CONFIG
     echo "Please add some peers."
     nano $CJDNS_CONFIG
     echo "Making a log dir"
     mkdir /var/log/cjdns
     start
 }

 ## Check to see if we are running as root first.
 if [ "$(id -u)" != "0" ]; then
     echo "This script must be run as root" 1>&2
     exit 1
 fi

 case $1 in
     start)
         start
         exit 0
     ;;
     stop)
         stop
         exit 0
     ;;
     reload|restart|force-reload)
         stop
         sleep 1
         start
         exit 0
     ;;
     status)
         status
         exit 0
     ;;
     flush)
         flush
         exit 0
     ;;
     update|upgrade)
         update
         stop
         sleep 2
         start
         exit 0
     ;;
     install|setup)
         setup
     ;;
     **)
         echo "Usage: $0 {start|stop|reload|flush|status|update|install}" 1>&2
         exit 1
     ;;
 esac