Electrum Server Ubuntu Upstart Configuration

electrum-server.conf

# electrum-server The Electrum Bitcoin Wallet Server
# 
# The server indexes UTXOs by address, in a Patricia tree structure.
# Electrum Bitcoin wallet clients connect to this server.

description "Electrum server"
author "Alain Wolf"

start on started bitcoind
stop on stopping bitcoind

# Allow upto 5 minutes shutdown-time
kill timeout 300

respawn
respawn limit 5 30
limit nofile 16384 16384
console log
expect fork
setuid electrum
setgid electrum
chdir /var/lib/electrum/src/electrum/server

env conf=/etc/electrum.conf
env pidfile=/var/lib/electrum/electrum.pid
env server=/var/lib/electrum/src/electrum/server/server.py
env logfile=/var/log/electrum.log
 
pre-start script
    echo "Doing pre-start checks ... "

    echo -n "Checking if a server is already running ...       "
    if /usr/bin/python $server getpid > /dev/null ; then
        echo "Server already running (pid $PID)"
        stop
        exit 1
    else
        echo 'OK'
    fi

    echo -n "Checking for configuration file ...               "
    if [ ! -f $conf ]; then
        echo "$conf does not exist"
        stop
        exit 1
    else
        echo 'OK'
    fi

    echo -n "Checking configuration ...                        "
    path=`grep -e ^path_fulltree $conf |awk -F\= '{print $2}' | tail -n 1`
    if ! [ "$path" ]; then
        echo "Variable path_fulltree not set in $conf"
        stop
        exit 1
    else
        echo 'OK'
    fi

    echo -n "Checking for database directory ...               "
    rmdir $path --ignore-fail-on-non-empty
    if [ ! -d $path ]; then
        echo "No database found in $path."
        stop
        exit 1
    else
        echo 'OK'
    fi

    echo -n "Checking if bitcoind is accepting connections ... "
    host=`grep -e ^host $conf |awk -F\= '{print $2}' | tail -n 1`
    port=`grep -e ^port $conf |awk -F\= '{print $2}' | tail -n 1`
    if  nc -z $host $port; then
        echo 'OK'
    else
        echo "Can't connect to bitcoind'."
        stop
        exit 1
    fi

    echo 'Starting Electrum Server.'
end script

exec \
 /usr/bin/python -u $server > $logfile 2>&1 &

post-start script
    # Waiting
    echo -n '['`date --rfc-3339=seconds`'] Waiting for server to accept connections '
    until /usr/bin/python $server getpid > /dev/null ;
    do
        sleep 10
        echo -n '.'
    done
    echo '['`date --rfc-3339=seconds`'] Server is now ready.'
end script

pre-stop exec \
	/usr/bin/python $server stop

#post-stop exec \
#	rm -f $pidfile