An upstart configuration for Minecraft and mcbot (https://github.com/achimnol/mcbot) daemonization

mcbot.conf

description "Minecraft Chatting Bot Daemon"

start on started minecraft
stop on stopping minecraft

chdir /home/daybreaker/minecraft/bin/mcbot
console log

pre-start script
    sleep 1
end script

exec python bot.py <YOUR-IRC-SERVER> <YOUR-IRC-PORT> <BOT-NICK> "#<YOUR-CHANNEL>" ipc:///home/daybreaker/minecraft/mc_server.stdout.sock ipc:///home/daybreaker/minecraft/mc_server.stdin.sock

# vim: ft=upstart

minecraft.conf

description "Minecraft Daemon"

start on (local-filesystems and net-device-up IFACE!=lo)
stop on runlevel [!2345]

chdir /home/daybreaker/minecraft
env MCPATH=/home/daybreaker/minecraft
env ZMQ=/home/daybreaker/minecraft/bin/0proxy
console log

pre-start script
    rm -f stdin.fifo
    rm -f stdout.fifo
    mkfifo stdin.fifo
    mkfifo stdout.fifo
    chmod 600 *.fifo

    $ZMQ -i ipc://$MCPATH/mc_server.stdin.sock > stdin.fifo &
    stdin_0proxy_pid=$!
    echo $stdin_0proxy_pid > 0proxy.stdin.pid
    $ZMQ -o ipc://$MCPATH/mc_server.stdout.sock < stdout.fifo &
    stdout_0proxy_pid=$!
    echo $stdout_0proxy_pid > 0proxy.stdout.pid
    sleep 1
end script

script
    exec 2>stdout.fifo
    exec >stdout.fifo
    exec java -Xms1024M -Xmx1536M -XX:+UseConcMarkSweepGC -XX:+CMSIncrementalPacing -XX:ParallelGCThreads=2 -XX:+AggressiveOpts -Djava.net.preferIPv4Stack=true -Dfile.encoding=1208 -jar minecraft_server.jar nogui < stdin.fifo
end script

pre-stop script
    echo 'save-all' > stdin.fifo
    sleep 1
end script

post-stop script
    {
        stdin_0proxy_pid=`cat 0proxy.stdin.pid`
        stdout_0proxy_pid=`cat 0proxy.stdout.pid`
        kill $stdin_0proxy_pid
        kill $stdout_0proxy_pid
    } &
    sleep 2
    rm -f *.pid
    rm -f *.fifo
end script

# vim: ft=upstart