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Appendix A. Example Default HAProxy Configuration

The following is an example of the default configuration file for HAProxy on the Overcloud’s Controller nodes. This file is located at /etc/haproxy/haproxy.conf on each Controller node.

global
  daemon
  group  haproxy
  log  /dev/log local0
  maxconn  10000
  pidfile  /var/run/haproxy.pid
  user  haproxy

defaults
  log  global
  mode  tcp
  retries  3
  timeout  http-request 10s
  timeout  queue 1m
  timeout  connect 10s
  timeout  client 1m
  timeout  server 1m
  timeout  check 10s

listen aodh
  bind 172.16.20.250:8042
  bind 172.16.20.250:8042
  mode http
  server overcloud-controller-0 172.16.20.150:8042 check fall 5 inter 2000 rise 2
  server overcloud-controller-1 172.16.20.151:8042 check fall 5 inter 2000 rise 2
  server overcloud-controller-2 172.16.20.252:8042 check fall 5 inter 2000 rise 2

listen ceilometer
  bind 172.16.20.250:8777
  bind 172.16.23.250:8777
  server overcloud-controller-0 172.16.20.150:8777 check fall 5 inter 2000 rise 2
  server overcloud-controller-1 172.16.20.151:8777 check fall 5 inter 2000 rise 2
  server overcloud-controller-2 172.16.20.152:8777 check fall 5 inter 2000 rise 2

listen cinder
  bind 172.16.20.250:8776
  bind 172.16.23.250:8776
  server overcloud-controller-0 172.16.20.150:8776 check fall 5 inter 2000 rise 2
  server overcloud-controller-1 172.16.20.151:8776 check fall 5 inter 2000 rise 2
  server overcloud-controller-2 172.16.20.152:8776 check fall 5 inter 2000 rise 2

listen glance_api
  bind 172.16.23.250:9292
  bind 172.16.21.250:9292
  server overcloud-controller-0 172.16.21.150:9292 check fall 5 inter 2000 rise 2
  server overcloud-controller-1 172.16.21.151:9292 check fall 5 inter 2000 rise 2
  server overcloud-controller-2 172.16.21.152:9292 check fall 5 inter 2000 rise 2

listen glance_registry
  bind 172.16.20.250:9191
  server overcloud-controller-0 172.16.20.150:9191 check fall 5 inter 2000 rise 2
  server overcloud-controller-1 172.16.20.151:9191 check fall 5 inter 2000 rise 2
  server overcloud-controller-2 172.16.20.152:9191 check fall 5 inter 2000 rise 2

listen gnocchi
  bind 172.16.23.250:8041
  bind 172.16.21.250:8041
  mode http
  server overcloud-controller-0 172.16.20.150:8041 check fall 5 inter 2000 rise 2
  server overcloud-controller-1 172.16.20.151:8041 check fall 5 inter 2000 rise 2
  server overcloud-controller-2 172.16.20.152:8041 check fall 5 inter 2000 rise 2

listen heat_api
  bind 172.16.20.250:8004
  bind 172.16.23.250:8004
  mode http
  server overcloud-controller-0 172.16.20.150:8004 check fall 5 inter 2000 rise 2
  server overcloud-controller-1 172.16.20.151:8004 check fall 5 inter 2000 rise 2
  server overcloud-controller-2 172.16.20.152:8004 check fall 5 inter 2000 rise 2

listen heat_cfn
  bind 172.16.20.250:8000
  bind 172.16.23.250:8000
  server overcloud-controller-0 172.16.20.150:8000 check fall 5 inter 2000 rise 2
  server overcloud-controller-1 172.16.20.152:8000 check fall 5 inter 2000 rise 2
  server overcloud-controller-2 172.16.20.151:8000 check fall 5 inter 2000 rise 2

listen heat_cloudwatch
  bind 172.16.20.250:8003
  bind 172.16.23.250:8003
  server overcloud-controller-0 172.16.20.150:8003 check fall 5 inter 2000 rise 2
  server overcloud-controller-1 172.16.20.151:8003 check fall 5 inter 2000 rise 2
  server overcloud-controller-2 172.16.20.152:8003 check fall 5 inter 2000 rise 2

listen horizon
  bind 172.16.20.250:80
  bind 172.16.23.250:80
  mode http
  cookie SERVERID insert indirect nocache
  server overcloud-controller-0 172.16.20.150:80 check fall 5 inter 2000 rise 2
  server overcloud-controller-1 172.16.20.151:80 check fall 5 inter 2000 rise 2
  server overcloud-controller-2 172.16.20.152:80 check fall 5 inter 2000 rise 2

listen keystone_admin
  bind 172.16.23.250:35357
  bind 172.16.20.250:35357
  server overcloud-controller-0 172.16.20.150:35357 check fall 5 inter 2000 rise 2
  server overcloud-controller-1 172.16.20.151:35357 check fall 5 inter 2000 rise 2
  server overcloud-controller-2 172.16.20.152:35357 check fall 5 inter 2000 rise 2

listen keystone_admin_ssh
  bind 172.16.20.250:22
  server overcloud-controller-0 172.16.20.150:22 check fall 5 inter 2000 rise 2
  server overcloud-controller-1 172.16.20.151:22 check fall 5 inter 2000 rise 2
  server overcloud-controller-2 172.16.20.152:22 check fall 5 inter 2000 rise 2

listen keystone_public
  bind 172.16.20.250:5000
  bind 172.16.23.250:5000
  server overcloud-controller-0 172.16.20.150:5000 check fall 5 inter 2000 rise 2
  server overcloud-controller-1 172.16.20.151:5000 check fall 5 inter 2000 rise 2
  server overcloud-controller-2 172.16.20.152:5000 check fall 5 inter 2000 rise 2

listen mysql
  bind 172.16.20.250:3306
  option tcpka
  option httpchk
  stick on dst
  stick-table type ip size 1000
  timeout client 0
  timeout server 0
  server overcloud-controller-0 172.16.20.150:3306 backup check fall 5 inter 2000 on-marked-down shutdown-sessions port 9200 rise 2
  server overcloud-controller-1 172.16.20.151:3306 backup check fall 5 inter 2000 on-marked-down shutdown-sessions port 9200 rise 2
  server overcloud-controller-2 172.16.20.152:3306 backup check fall 5 inter 2000 on-marked-down shutdown-sessions port 9200 rise 2

listen neutron
  bind 172.16.20.250:9696
  bind 172.16.23.250:9696
  server overcloud-controller-0 172.16.20.150:9696 check fall 5 inter 2000 rise 2
  server overcloud-controller-1 172.16.20.151:9696 check fall 5 inter 2000 rise 2
  server overcloud-controller-2 172.16.20.152:9696 check fall 5 inter 2000 rise 2

listen nova_ec2
  bind 172.16.20.250:8773
  bind 172.16.23.250:8773
  server overcloud-controller-0 172.16.20.150:8773 check fall 5 inter 2000 rise 2
  server overcloud-controller-1 172.16.20.151:8773 check fall 5 inter 2000 rise 2
  server overcloud-controller-2 172.16.20.152:8773 check fall 5 inter 2000 rise 2

listen nova_metadata
  bind 172.16.20.250:8775
  server overcloud-controller-0 172.16.20.150:8775 check fall 5 inter 2000 rise 2
  server overcloud-controller-1 172.16.20.151:8775 check fall 5 inter 2000 rise 2
  server overcloud-controller-2 172.16.20.152:8775 check fall 5 inter 2000 rise 2

listen nova_novncproxy
  bind 172.16.20.250:6080
  bind 172.16.23.250:6080
  balance source
  server overcloud-controller-0 172.16.20.150:6080 check fall 5 inter 2000 rise 2
  server overcloud-controller-1 172.16.20.151:6080 check fall 5 inter 2000 rise 2
  server overcloud-controller-2 172.16.20.152:6080 check fall 5 inter 2000 rise 2

listen nova_osapi
  bind 172.16.20.250:8774
  bind 172.16.23.250:8774
  server overcloud-controller-0 172.16.20.150:8774 check fall 5 inter 2000 rise 2
  server overcloud-controller-1 172.16.20.151:8774 check fall 5 inter 2000 rise 2
  server overcloud-controller-2 172.16.20.152:8774 check fall 5 inter 2000 rise 2

listen nova_placement
  bind 172.16.20.250:8778
  bind 172.16.23.250:8778
  mode http
  server overcloud-controller-0 172.16.20.150:8778 check fall 5 inter 2000 rise 2
  server overcloud-controller-1 172.16.20.151:8778 check fall 5 inter 2000 rise 2
  server overcloud-controller-2 172.16.20.152:8778 check fall 5 inter 2000 rise 2

listen panko
  bind 172.16.20.250:8779 transparent
  bind 172.16.23.250:8779 transparent
  server overcloud-controller-0 172.16.20.150:8779 check fall 5 inter 2000 rise 2
  server overcloud-controller-1 172.16.20.151:8779 check fall 5 inter 2000 rise 2
  server overcloud-controller-2 172.16.20.152:8779 check fall 5 inter 2000 rise 2

listen redis
  bind 172.16.20.249:6379
  balance first
  option tcp-check
  tcp-check send AUTH\ p@55w0rd!\r\n
  tcp-check send PING\r\n
  tcp-check expect string +PONG
  tcp-check send info\ replication\r\n
  tcp-check expect string role:master
  tcp-check send QUIT\r\n
  tcp-check expect string +OK
  server overcloud-controller-0 172.16.20.150:6379 check fall 5 inter 2000 rise 2
  server overcloud-controller-1 172.16.20.151:6379 check fall 5 inter 2000 rise 2
  server overcloud-controller-2 172.16.20.152:6379 check fall 5 inter 2000 rise 2

listen swift_proxy_server
  bind 172.16.23.250:8080
  bind 172.16.21.250:8080
  server overcloud-controller-0 172.16.21.150:8080 check fall 5 inter 2000 rise 2
  server overcloud-controller-1 172.16.21.151:8080 check fall 5 inter 2000 rise 2
  server overcloud-controller-2 172.16.21.152:8080 check fall 5 inter 2000 rise 2