@runnikri wrote:

Hi Team,

I have the following frontend and backend settings in my haproxy configuration file. Even though haproxy redirection to the backend URL it is failing to connect to the backend server.

Error detail :-Unable to connect to Ambari Server. Confirm Ambari Server is running and you can reach Ambari Server from this machine.

#---------------------------------------------------------------------

main frontend which proxys to the backends

#---------------------------------------------------------------------

frontend main *:80

acl url_dcos path_beg /dcos
acl url_ambari path_beg /ambari

use_backend dcos-backend if url_dcos
use_backend ambari-backend if url_ambari

#---------------------------------------------------------------------

round robin balancing between the various backends

#---------------------------------------------------------------------
backend dcos-backend
reqrep ^([^\ ])\ /dcos(/.) \1\ \2
cookie SERVERID insert indirect nocache
{% for master in groups[‘master-nodes’] %}
server dcos_master{{ loop.index0 }} {{ hostvars[master].ansible_host }}:80 check cookie dcos_master{{ loop.index0 }}
{% endfor %}

backend ambari-backend
reqrep ^([^\ ])\ /ambari(/.) \1\ \2
cookie SERVERID insert indirect nocache
{% for mgmt in groups[‘management-nodes’] %}
server ambari_server{{ loop.index0 }} {{ hostvars[mgmt].ansible_host }}:8080 check cookie ambari_server{{ loop.index0 }}
{% endfor %}

Please Guide

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