Example HAProxy 1.5 configuration for load-balancing Redis nodes with Sentinel (including health checks!)

gistfile1.ini

backend messages
  mode tcp
  option tcplog
  option tcp-check
    #tcp-check send AUTH\ foobar\r\n
    #tcp-check expect +OK
    tcp-check send PING\r\n
    tcp-check expect +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 redis15 192.168.15.40:6379 maxconn 1024 check inter 1s
    server redis17 192.168.15.41:6379 maxconn 1024 check inter 1s
    server redis19 192.168.15.42:6379 maxconn 1024 check inter 1s