Splash pool

haproxy.conf

global
	chroot /var/lib/haproxy
	user haproxy
	group haproxy
	daemon

defaults
	log	global
	mode	http
	option	httplog
	option	dontlognull
	timeout connect 70000ms
    	timeout client 70000ms
    	timeout server 70000ms
	errorfile 400 /etc/haproxy/errors/400.http
	errorfile 403 /etc/haproxy/errors/403.http
	errorfile 408 /etc/haproxy/errors/408.http
	errorfile 500 /etc/haproxy/errors/500.http
	errorfile 502 /etc/haproxy/errors/502.http
	errorfile 503 /etc/haproxy/errors/503.http
	errorfile 504 /etc/haproxy/errors/504.http


frontend http-in
	bind *:8999
	default_backend splashes

backend splashes
	balance roundrobin
	server splash01 127.0.0.1:8000
	server splash02 127.0.0.1:8001
	server splash03 127.0.0.1:8002
	server splash04 127.0.0.1:8003

supervisord.conf

[program:splash]
command=python -m splash.server --port=80%(process_num)02d --proxy-portnum=90%(process_num)02d -v 4
program_name=splash
process_name=%(program_name)s_%(process_num)d
numprocs=4
autostart=true
stdout_logfile=/var/log/splash.log
stderr_logfile=/var/log/splash.err