[rabbitmq-discuss] HAProxy does not work with Rabbitmq?

Fri May 18 13:53:02 BST 2012

 also i got following error: Reloading haproxy: haproxycat:
/var/run/haproxy.pid: No such file or directory [WARNING] 138/181843 (14448)
: config : 'stats' statement ignored for proxy 'rabbitmq' as it requires
HTTP mode. [WARNING] 138/181843 (14448) : config : 'option forwardfor'
ignored for proxy 'rabbitmq' as it requires HTTP mode. [ALERT] 138/181843
(14448) : Starting proxy rabbitmq: cannot bind socket [ALERT] 138/181843
(14448) : Starting proxy webfarm: cannot bind socket failed!

sameekmishra wrote:
> 
> Hi 
> 
> I have configured HA proxy and keepalived for rabbbitmq server.
> i have install  Debian squeeze 6.04 operating system with rabbbitmq 2.5.0
> and enlarge 14.b.2.1,with cluster and mirror queue.
> i have check cluster status both end it got:
> 
> rabbitmqctl cluster_status
> Cluster status of node rabbit at server03 ...
> [{nodes,[{disc,[rabbit at server03,rabbit at server05]}]},
>  {running_nodes,[rabbit at server05,rabbit at server03]}]
> ...done.
> 
> which means that cluster are correctly configured,also i have checked the
> mirror with publish a message on other node and got from other node means
> it's worked.i have read the following document for Setting Up A HAProxy
> Failover
> Cluster<http://www.zimbio.com/Linux/articles/YgBDA7b_kmR/Setting+Up+HAProxy+Failover+Cluster>
> and also got haproxy configuration from this post
> <http://www.joshdevins.net/2010/04/16/rabbitmq-ha-testing-with-haproxy/>.
> 
> including both document i have tried the failover with following
> configuration:
> 
> node-1 server03 rabbit at server03  192.168.1.153
> node-2 server05 rabbit at server05  192.168.1.155
> 
> assume virtul Ip: 192.168.1.199
> 
> /etc/haproxy/haproxy.conf
> -------------------------
> global
>  log     127.0.0.1 alert
>  log     127.0.0.1 alert debug
> 
> defaults
>  log        global
>  mode       http
>  option     dontlognull
>  option     redispatch
>  retries    3
>  contimeout 5000
>  clitimeout 50000
>  srvtimeout 50000
> 
> listen rabbitmq *:5672
>  mode    tcp
>  stats   enable
>  balance roundrobin
>  option  forwardfor
>  option  tcpka
>  server  server03 192.168.1.153:5672 check inter 5000 downinter 500    
>  server  server05 192.168.1.155:5672 check inter 5000 backup
> 
> listen webfarm 192.168.1.199:80
>        mode http
>        stats enable
>        stats auth someuser:sam
>        balance roundrobin
>        cookie JSESSIONID prefix
>        option httpclose
>        option forwardfor
>        option httpchk HEAD /check.txt HTTP/1.0
>        server server03 192.168.1.153:5672 cookie A check
>        server server05 192.168.1.155:5672 cookie B check
> 
> 
> 	option	httpclose		# disable keep-alive
> 	option  checkcache		# block response if set-cookie & cacheable
> 
> 	rspidel ^Set-cookie:\ IP=	# do not let this cookie tell our internal IP
> address
> 	
> 	#errorloc	502	http://192.168.114.58/error502.html
> 	#errorfile	503	/etc/haproxy/errors/503.http
> 	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
> 
> same haproxy configuration on node2 as well.
> 
>  /etc/keepalived/keepalived.conf
> ---------------------------------
> vrrp_script chk_haproxy {           # Requires keepalived-1.1.13
>         script "killall -0 haproxy"     # cheaper than pidof
>         interval 2                      # check every 2 seconds
>         weight 2                        # add 2 points of prio if OK
> }
> 
> vrrp_instance VI_1 {
>         interface eth0
>         state MASTER
>         virtual_router_id 51
>         priority 101                    # 101 on master, 100 on backup
>         virtual_ipaddress {
>             192.168.1.199
>         }
>         track_script {
>             chk_haproxy
>         }
> }
> 
> only on difference with node2 is priority 100 .after configuation i have
> start haproxy and keepalived,start without any error.i have try to ping
> virtual ip with other node it got successful result,also i have publish
> message using 192.168.1.199 ,it publish and i consume message from other
> node,but when i try to rabbitmqctl stop_app of node1(stop rabbitmq server
> which is running on node1) then i try to publish with virtual IP i got
> connetion refuesed exception,
> means when failover not work for me it does not switch to other node2.
> please help me,i can't trace the problem.
> 
> Thanks
> 
>   
> 

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