Ansible template fro HAProxy LB for Vault

haproxy.conf.j2

global
  log /dev/log    local0
  log /dev/log    local1 notice
  chroot /var/lib/haproxy
  stats socket /run/haproxy/admin.sock mode 660 level admin expose-fd listeners
  stats timeout 30s
  user haproxy
  group haproxy
  daemon

  # Default SSL material locations
  ca-base /etc/ssl/certs
  crt-base /etc/ssl/private

  # See: https://ssl-config.mozilla.org/#server=haproxy&server-version=2.0.3&config=intermediate
  ssl-default-bind-ciphers ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-CHACHA20-POLY1305:ECDHE-RSA-CHACHA20-POLY1305:DHE-RSA-AES128-GCM-SHA256:DHE-RSA-AES256-GCM-SHA384
  ssl-default-bind-ciphersuites TLS_AES_128_GCM_SHA256:TLS_AES_256_GCM_SHA384:TLS_CHACHA20_POLY1305_SHA256
  ssl-default-bind-options ssl-min-ver TLSv1.2 no-tls-tickets

defaults
  log     global
  mode    http
  option  httplog
  option  dontlognull
  timeout connect 5000
  timeout client  50000
  timeout server  50000
  errorfile 400 /etc/haproxy/errors/400.http
  errorfile 403 /etc/haproxy/errors/403.http
  errorfile 408 /etc/haproxy/errors/408.http
  errorfile 500 /etc/haproxy/errors/500.http
  errorfile 502 /etc/haproxy/errors/502.http
  errorfile 503 /etc/haproxy/errors/503.http
  errorfile 504 /etc/haproxy/errors/504.http

frontend stats
  bind *:9000
  mode http
  stats uri /
  stats show-legends
  no log

frontend vault_api_vip
    bind *:8200
    mode tcp
    default_backend vault_api_pool
    option tcplog

backend vault_api_pool
    mode tcp
    balance roundrobin
    option httpchk HEAD /v1/sys/health
{# option httpchk HEAD /v1/sys/health?perfstandbyok=true -#}
    http-check expect status 200
{% for vault_server in groups[vault_haproxy_nodes_group] %}
    server {{ hostvars[vault_server]['ansible_hostname'] }} {{ hostvars[vault_server]['ansible_default_ipv4']['address'] }}:8200 check-ssl verify none
{% endfor %}

frontend vault_replication_vip
    bind *:8201
    mode tcp
    default_backend vault_replication_pool
    option tcplog

backend vault_replication_pool
    mode tcp
    balance roundrobin
    #option httpchk HEAD /v1/sys/health
    option httpchk HEAD /v1/sys/health?perfstandbyok=true
    http-check expect status 200
{% for vault_server in groups[vault_haproxy_nodes_group] %}
    server {{ hostvars[vault_server]['ansible_hostname'] }} {{ hostvars[vault_server]['ansible_default_ipv4']['address'] }}:8201 check-ssl verify none port 8200
{% endfor %}