Increase maxconn settings for haproxy lb

playbooks/common/openshift-master/config.yml

@@ -28,7 +28,7 @@
                                                         | default([]))
                                        | oo_collect('openshift.common.hostname')
                                        | default(none, true) }}"
-  
+
   - set_fact:
       openshift_master_debug_level: "{{ lookup('oo_option', 'openshift_master_debug_level') | default(openshift.common.debug_level, true) }}"
     when: openshift_master_debug_level is not defined
@@ -232,6 +232,8 @@
   hosts: oo_lb_to_config
   vars:
     sync_tmpdir: "{{ hostvars.localhost.g_master_mktemp.stdout }}"
+    haproxy_global_maxconn: 20000
+    haproxy_default_maxconn: 20000
     haproxy_frontend_port: "{{ hostvars[groups.oo_first_master.0].openshift.master.api_port }}"
     haproxy_frontends:
     - name: atomic-openshift-api

roles/haproxy/templates/haproxy.cfg.j2

@@ -3,7 +3,7 @@
 global
     chroot      /var/lib/haproxy
     pidfile     /var/run/haproxy.pid
-    maxconn     4000
+    maxconn     {{ haproxy_global_maxconn | default('4000') }}
     user        haproxy
     group       haproxy
     daemon
@@ -31,7 +31,7 @@ defaults
     timeout server          300s
     timeout http-keep-alive 10s
     timeout check           10s
-    maxconn                 3000
+    maxconn                 {{ haproxy_default_maxconn | default('3000') }}
 
 listen stats :9000
     mode http