uwsgi control script for OpenShift

openshift-uwsgi-control.sh

#!/bin/bash -e

# This assumes that your openshift repo contains a uwsgi.ini
# configuration file.
# This is a extracted from a script used live for the victims project: 
# https://github.com/victims/victims-server-openshift/blob/master/bin/control

source $OPENSHIFT_CARTRIDGE_SDK_BASH

# Setup globals
LOG_PREFIX="[python-uwsgi-control]"

# activate virtenv
echo "$LOG_PREFIX Activating virtenv ..."
source ${OPENSHIFT_PYTHON_DIR}/virtenv/bin/activate

UWSGI_PIDFILE=${OPENSHIFT_PYTHON_DIR}/run/uwsgi.pid
CONFIGFILE=${OPENSHIFT_REPO_DIR}/uwsgi.ini

function stop()
{
    if [ -f "$UWSGI_PIDFILE" ]; then
        echo "$LOG_PREFIX Stopping uWSGI"
        uwsgi --stop "$UWSGI_PIDFILE"
        rm "$UWSGI_PIDFILE"
    else
        echo "$LOG_PREFIX No running UWSGI process"
    fi
}

function start()
{
    if [ -f "$UWSGI_PIDFILE" ]; then
        echo "$LOG_PREFIX uWSGI already running"
    else
        echo "$LOG_PREFIX Starting UWSGI"
        uwsgi "${CONFIGFILE}"
    fi
}

function restart()
{
    echo "$LOG_PREFIX Restarting uWSGI"
    stop
    # wait till all workers are burried
    sleep 2
    start
}

case $1 in
    start)      start ;;
    stop)       stop ;;
    restart)    restart ;;
    reload)     restart ;;
    *)          exec $OPENSHIFT_PYTHON_DIR/bin/control "$@"
esac