python-application-worker.conf

description "Python Application Worker"

stop on stopping python-application

respawn

instance $PORT  

chdir {{ chdir }}
# run as user
exec su -s /bin/sh -c 'exec "$0" "$@"' {{ runas }} -- {{ python }} -u {{ script }} -p $PORT

python-application.conf

description "Python Application"

start on runlevel [2345]
stop on runlevel [!2345]

# normally this sort've thing would have a 'task' stanza, but see [1]

#task

script
    for i in `seq {{ first_port }} {{ last_port }}`; do
        start python-application-worker PORT=$i || true
    done

    # [1] hang forever so that when we stop, we emit a stopping event, and our
    # workers know to stop themselves
    while true
    do
      sleep 100
    done
end script