HAProxy configuration for RabbitMQ (as STOMP over WS)

haproxy-eventmq.cfg

###
#   HAProxy configuration for Eventmq Web-node.
#   Configured to serve:
#    - 100k websocket connections
#    - 2k (2% of WS) streaming connections (5k fullconn)
#    - 100 (0.1% of WS) xhr connections (5k fullconn)
###

global
	log		127.0.0.1 local2 info
	cpu-map		1 0

	pidfile		/var/run/haproxy.pid
	maxconn		110500
	maxpipes	30000
	maxconnrate	10000
	maxsessrate	10000
	user		haproxy
	group		haproxy
	daemon
	# turn on stats unix socket
	stats socket	/var/lib/haproxy/stats level admin

defaults
	mode	http
	log	global
	
	backlog	4096

	option	contstats
	option	http-keep-alive
	option	http-no-delay
	option	httplog
	option	splice-auto
	option	tcp-smart-accept
	option	tcp-smart-connect

	retries			3
	timeout	check		10s
	timeout	client		1m
	timeout	client-fin	10s
	timeout	connect		1m
	timeout	http-request	10m
	timeout	http-keep-alive	5m
	timeout	queue		1m
	timeout	server		10m
	timeout	server-fin	10s

frontend front_stomp
	description	Incoming connections for STOMP service
	bind		*:88
	mode		http
	maxconn		110500
	#
	# Capture some useful information into logs
	#
	capture	cookie	sid len 43
	capture	request	header Host len 32
	capture	request	header X-Real-IP len 15
	capture	request	header X-Uniq-ID len 36
	#
	# Routing
	#
	acl is_stat	path_beg /stats
	acl is_mgr	path     /stomp/info
	acl is_mgr	path_beg /stomp/resources/
	acl is_mgr	path     /stomp/iframe.html
	acl is_ws	path_end /websocket
	acl is_strm	path_end /xhr_streaming
	use_backend back_stats	if is_stat
	use_backend back_mgr	if is_mgr
	use_backend back_ws	if is_ws
	use_backend back_strm	if is_strm
	default_backend		back_xhr
	#
	# Disable logging stats requests
	http-request	set-log-level silent	if is_stat

backend back_stats
	description Serves /stats
	no	log
	stats	enable
	stats	uri	/stats
	stats	show-legends
	stats	refresh	5s
	stats	show-node
	stats	admin if TRUE

backend back_mgr
	description SBIS Web-node user creator
	fullconn	200
	timeout	server	30s
	http-check	expect status 200
	server	rmq 127.0.0.1:8088 maxconn 30 check inter 1s rise 2 fall 1

backend back_xhr
	description Serves all XHR-requests
	fullconn	5000
	timeout	server	30s
	option	httpchk	GET /stomp/info
	http-check expect rstring ^{
	server	rmq 127.0.0.1:15674 maxconn 100 check inter 1s rise 2 fall 1

backend back_ws
	description Serves websocket connections
	fullconn	100000
	timeout	server	10m
	option	httpchk	GET /stomp/info
	http-check expect rstring ^{
	server	rmq1 127.0.2.1:15674 source 127.0.1.1 maxconn 50000 check inter 1s rise 2 fall 1
	server	rmq2 127.0.2.2:15674 source 127.0.1.2 maxconn 50000 check inter 1s rise 2 fall 1

backend back_strm
	description Serves streaming connections
	fullconn	5000
	timeout	server	10m
	option	httpchk	GET /stomp/info
	http-check expect rstring ^{
	server	rmq 127.0.0.1:15674 maxconn 2000 check inter 1s rise 2 fall 1