Use backend server based on past response status codes

Help!
1

Hello,
It is possible to use backend server based on response status codd in the past. For example domain example.com get error 403,503 on backend server 1.1.1.1 how can i tell haproxy to not use this server for this domain on future requests. Pls Help.

BR

2

Hello,

You have to use the health check. You can just use the default check or provide additional options to perform a custom check on specific url for example :

backend be_server
    option httpchk GET /httpchk HTTP/1.1
    http-check expect status 200
    server server01 127.0.0.1:8080 check
3

Ok thank you and i will map backend by domain name this config works only if target site is http.


  # ACL for "example.com" and "www.example.com"
  acl ACL_example.com hdr(host) -i example.com www.example.com
  use_backend be_example.com if ACL_example.com

  # ACL for "example.net"
  acl ACL_example.net hdr(host) -i example.net
  use_backend be_example.net if ACL_example.net

fallback every time default backend. But i will that it works on target https sites too. is there a way to map backend by domain name if targeting https sites too without configuring ssl cert. tried openssl on port 443 on 127.0.0.1 but get error self signed. What i want is
127.0.0.1:5555 —> map backend by domain —> backend for domain https://example.com pls help

4

Hello,

I really don’t understand what you are trying to do.

You want a http frontend with a https backend ? Are the user reaching you with http or https ?