Cannot access HAProxy stats page

Question

I am running HAproxy as a container on my local ubuntu machine based on this guide:

https://hub.docker.com/_/haproxy/

I am now trying to access the stats page in my browser with:

http://localhost:8443/haproxy?stats

http://localhost/haproxy?stats

https://localhost:8443/haproxy?stats

But all the above gives: ERR_CONNECTION_REFUSED

In my haproxy.cfg file I have:

global
  maxconn 1000

  ca-base /var/lib/haproxy/certs
  crt-base /var/lib/haproxy/certs
  tune.ssl.default-dh-param 2048

defaults
  maxconn 1000
  timeout connect 130s
  timeout client 130s
  timeout client-fin 111s
  timeout server 130s
  timeout server-fin 111s
  timeout http-request 130s
  timeout http-keep-alive 300s

  # Long timeout for WebSocket connections.
  timeout tunnel 1h

  log     global 
  mode    http
  option forwardfor
  option http-server-close
  option  httplog

  stats enable
  stats uri /stats
  stats realm Haproxy\ Statistics
  stats auth user:password


frontend haproxy
  bind :8443 ssl crt frontend/server.pem  
  reqadd X-Forwarded-Proto:\ http
  default_backend myapp

backend myapp
  server myapp localhost:9000

Also it seems the URL used in:

backend myapp
  server myapp localhost:9000

does not really have an effect. If I change to :

backend myapp
  server myapp 199.17.0.2:9000

I can still access myapp on localhost:9000. So what is the purpose of specifying an URL in the backend section?

I run myapp with:

docker run -d --name myapp -p 9000:9000 -p 9092:9092 myapp

Based on below suggestion/answer I run HAProxy with:

docker run -d --name my-running-haproxy -p 8443:8443 my-haproxy:1.7

And I can now access stats page on:

https://localhost:8443/stats

Bogdan Stoica Bogdan Stoica · Accepted Answer · 2018-08-13T13:28:50

You should replace localhost with your container's ip address since haproxy is running inside your docker container and not directly on your machine. Or you could map the 8443 port inside your docker container to the exact same port on your linux machine. Then you'll be able to access it in browser using http://localhost:8443

Cannot access HAProxy stats page

1 Answers