Gunicorn Deploy Script

deploy.sh

#!/bin/bash -e
#
# GUNICORN DEPLOY SCRIPT
# ----------------------
# Script to deploy your application with Gunicorn. It can be called by your
# process manager (eg. supervisor). Your application should use a virtual
# environment in a subdirectory.
#
# Copyright (c) 2013-2014, T. Zengerink
# Licensed under MIT License.
# See: https://gist.githubusercontent.com/Mytho/3151357/raw/LICENSE.md

BIND="127.0.0.1:8080"
GROUP="http"
USER="http"
WORKERS=5

WEBROOT="/srv/http"
VENV=".py-env"
MODULE=application:app

## -- No need to edit below this line ------------------------------------------

SUBDIR=$(echo $(pwd) | sed s#$WEBROOT/##g)
DOMAIN=$(echo $SUBDIR | cut -d \/ -f 1)
SUBDOMAIN=$(echo $SUBDIR | cut -d \/ -f 2)

PID="/run/gunicorn-$SUBDOMAIN.$DOMAIN.pid"
LOG="/var/log/gunicorn/$SUBDOMAIN.$DOMAIN-error.log"

## Functions

prepare()
{
	cd $WEBROOT/$DOMAIN/$SUBDOMAIN
	source $WEBROOT/$DOMAIN/$SUBDOMAIN/$VENV/bin/activate
	test -d $(dirname $LOG) || mkdir -p $(dirname $LOG)
}

start()
{
	gunicorn --daemon \
		--pid $PID \
		--user $USER \
		--group $GROUP \
		--workers $WORKERS \
		--bind $BIND \
		--log-file $LOG $MODULE 2>> $LOG
	sleep 5
}

stop()
{
	kill -TERM $(cat $PID)
	sleep 2
}

## Execute

prepare

case "$1" in
	start)
		start
		;;
	stop)
		stop
		;;
	restart)
		stop
		start
		;;
	*)
		echo "Usage: $0 [start|stop|restart]"
		exit 1
esac

exit 0