# Copyright 2014 Red Hat, Inc.
# All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.

# == Class: tripleo::loadbalancer
#
# Configure an HAProxy/keepalived loadbalancer for TripleO.
#
# === Parameters:
#
# [*manage_vip*]
#  Whether to configure keepalived to manage the VIPs or not.
#  Defaults to true
#
# [*haproxy_service_manage*]
#  Will be passed as value for service_manage to haproxy module.
#  Defaults to true
#
# [*haproxy_global_maxconn*]
#  The value to use as maxconn in the haproxy global config section.
#  Defaults to 20480
#
# [*haproxy_default_maxconn*]
#  The value to use as maxconn in the haproxy default config section.
#  Defaults to 4096
#
# [*controller_host*]
#  (Deprecated)Host or group of hosts to load-balance the services
#  Can be a string or an array.
#  Defaults to undef
#
# [*controller_hosts*]
#  IPs of host or group of hosts to load-balance the services
#  Can be a string or an array.
#  Defaults to undef
#
# [*controller_hosts_names*]
#  Names of host or group of hosts to load-balance the services
#  Can be a string or an array.
#  Defaults to undef
#
# [*controller_virtual_ip*]
#  Control IP or group of IPs to bind the pools
#  Can be a string or an array.
#  Defaults to undef
#
# [*control_virtual_interface*]
#  Interface to bind the control VIP
#  Can be a string or an array.
#  Defaults to undef
#
# [*public_virtual_interface*]
#  Interface to bind the public VIP
#  Can be a string or an array.
#  Defaults to undef
#
# [*public_virtual_ip*]
#  Public IP or group of IPs to bind the pools
#  Can be a string or an array.
#  Defaults to undef
#
# [*internal_api_virtual_ip*]
#  Virtual IP on the internal API network.
#  A string.
#  Defaults to false
#
# [*storage_virtual_ip*]
#  Virtual IP on the storage network.
#  A string.
#  Defaults to false
#
# [*storage_mgmt_virtual_ip*]
#  Virtual IP on the storage mgmt network.
#  A string.
#  Defaults to false
#
# [*service_certificate*]
#  Filename of an HAProxy-compatible certificate and key file
#  When set, enables SSL on the public API endpoints using the specified file.
#  Any service-specific certificates take precedence over this one.
#  Defaults to undef
#
# [*keystone_certificate*]
#  Filename of an HAProxy-compatible certificate and key file
#  When set, enables SSL on the Keystone public API endpoint using the specified file.
#  Defaults to undef
#
# [*neutron_certificate*]
#  Filename of an HAProxy-compatible certificate and key file
#  When set, enables SSL on the Neutron public API endpoint using the specified file.
#  Defaults to undef
#
# [*cinder_certificate*]
#  Filename of an HAProxy-compatible certificate and key file
#  When set, enables SSL on the Cinder public API endpoint using the specified file.
#  Defaults to undef
#
# [*manila_certificate*]
#  Filename of an HAProxy-compatible certificate and key file
#  When set, enables SSL on the Manila public API endpoint using the specified file.
#  Defaults to undef
#
# [*glance_certificate*]
#  Filename of an HAProxy-compatible certificate and key file
#  When set, enables SSL on the Glance public API endpoint using the specified file.
#  Defaults to undef
#
# [*nova_certificate*]
#  Filename of an HAProxy-compatible certificate and key file
#  When set, enables SSL on the Nova public API endpoint using the specified file.
#  Defaults to undef
#
# [*ceilometer_certificate*]
#  Filename of an HAProxy-compatible certificate and key file
#  When set, enables SSL on the Ceilometer public API endpoint using the specified file.
#  Defaults to undef
#
# [*swift_certificate*]
#  Filename of an HAProxy-compatible certificate and key file
#  When set, enables SSL on the Swift public API endpoint using the specified file.
#  Defaults to undef
#
# [*heat_certificate*]
#  Filename of an HAProxy-compatible certificate and key file
#  When set, enables SSL on the Heat public API endpoint using the specified file.
#  Defaults to undef
#
# [*horizon_certificate*]
#  Filename of an HAProxy-compatible certificate and key file
#  When set, enables SSL on the Horizon public API endpoint using the specified file.
#  Defaults to undef
#
# [*ironic_certificate*]
#  Filename of an HAProxy-compatible certificate and key file
#  When set, enables SSL on the Ironic public API endpoint using the specified file.
#  Defaults to undef
#
# [*keystone_admin*]
#  (optional) Enable or not Keystone Admin API binding
#  Defaults to false
#
# [*keystone_public*]
#  (optional) Enable or not Keystone Public API binding
#  Defaults to false
#
# [*neutron*]
#  (optional) Enable or not Neutron API binding
#  Defaults to false
#
# [*cinder*]
#  (optional) Enable or not Cinder API binding
#  Defaults to false
#
# [*manila*]
#  (optional) Enable or not Manila API binding
#  Defaults to false
#
# [*glance_api*]
#  (optional) Enable or not Glance API binding
#  Defaults to false
#
# [*glance_registry*]
#  (optional) Enable or not Glance registry binding
#  Defaults to false
#
# [*nova_ec2*]
#  (optional) Enable or not Nova EC2 API binding
#  Defaults to false
#
# [*nova_osapi*]
#  (optional) Enable or not Nova API binding
#  Defaults to false
#
# [*nova_metadata*]
#  (optional) Enable or not Nova metadata binding
#  Defaults to false
#
# [*nova_novncproxy*]
#  (optional) Enable or not Nova novncproxy binding
#  Defaults to false
#
# [*ceilometer*]
#  (optional) Enable or not Ceilometer API binding
#  Defaults to false
#
# [*swift_proxy_server*]
#  (optional) Enable or not Swift API binding
#  Defaults to false
#
# [*heat_api*]
#  (optional) Enable or not Heat API binding
#  Defaults to false
#
# [*heat_cloudwatch*]
#  (optional) Enable or not Heat Cloudwatch API binding
#  Defaults to false
#
# [*heat_cfn*]
#  (optional) Enable or not Heat CFN API binding
#  Defaults to false
#
# [*horizon*]
#  (optional) Enable or not Horizon dashboard binding
#  Defaults to false
#
# [*ironic*]
#  (optional) Enable or not Ironic API binding
#  Defaults to false
#
# [*mysql*]
#  (optional) Enable or not MySQL Galera binding
#  Defaults to false
#
# [*mysql_clustercheck*]
#  (optional) Enable check via clustercheck for mysql
#  Defaults to false
#
# [*rabbitmq*]
#  (optional) Enable or not RabbitMQ binding
#  Defaults to false
#
# [*redis*]
#  (optional) Enable or not Redis binding
#  Defaults to false
#
class tripleo::loadbalancer (
  $controller_virtual_ip,
  $control_virtual_interface,
  $public_virtual_interface,
  $public_virtual_ip,
  $internal_api_virtual_ip   = false,
  $storage_virtual_ip        = false,
  $storage_mgmt_virtual_ip   = false,
  $manage_vip                = true,
  $haproxy_service_manage    = true,
  $haproxy_global_maxconn    = 20480,
  $haproxy_default_maxconn   = 4096,
  $controller_host           = undef,
  $controller_hosts          = undef,
  $controller_hosts_names    = undef,
  $service_certificate       = undef,
  $keystone_certificate      = undef,
  $neutron_certificate       = undef,
  $cinder_certificate        = undef,
  $manila_certificate        = undef,
  $glance_certificate        = undef,
  $nova_certificate          = undef,
  $ceilometer_certificate    = undef,
  $swift_certificate         = undef,
  $heat_certificate          = undef,
  $horizon_certificate       = undef,
  $ironic_certificate        = undef,
  $keystone_admin            = false,
  $keystone_public           = false,
  $neutron                   = false,
  $cinder                    = false,
  $manila                    = false,
  $glance_api                = false,
  $glance_registry           = false,
  $nova_ec2                  = false,
  $nova_osapi                = false,
  $nova_metadata             = false,
  $nova_novncproxy           = false,
  $ceilometer                = false,
  $swift_proxy_server        = false,
  $heat_api                  = false,
  $heat_cloudwatch           = false,
  $heat_cfn                  = false,
  $horizon                   = false,
  $ironic                    = false,
  $mysql                     = false,
  $mysql_clustercheck        = false,
  $rabbitmq                  = false,
  $redis                     = false,
) {

  if !$controller_host and !$controller_hosts {
    fail('$controller_hosts or $controller_host (now deprecated) is a mandatory parameter')
  }
  if $controller_hosts {
    $controller_hosts_real = $controller_hosts
  } else {
    warning('$controller_host has been deprecated in favor of $controller_hosts')
    $controller_hosts_real = $controller_host
  }

  if !$controller_hosts_names {
    $controller_hosts_names_real = $controller_hosts_real
  } else {
    $controller_hosts_names_real = $controller_hosts_names
  }

  if $manage_vip {
    case $::osfamily {
      'RedHat': {
        $keepalived_name_is_process = false
        $keepalived_vrrp_script     = 'systemctl status haproxy.service'
      } # RedHat
      'Debian': {
        $keepalived_name_is_process = true
        $keepalived_vrrp_script     = undef
      }
      default: {
        warning('Please configure keepalived defaults in tripleo::loadbalancer.')
        $keepalived_name_is_process = undef
        $keepalived_vrrp_script     = undef
      }
    }

    class { '::keepalived': }
    keepalived::vrrp_script { 'haproxy':
      name_is_process => $keepalived_name_is_process,
      script          => $keepalived_vrrp_script,
    }

    # KEEPALIVE INSTANCE CONTROL
    keepalived::instance { '51':
      interface    => $control_virtual_interface,
      virtual_ips  => [join([$controller_virtual_ip, ' dev ', $control_virtual_interface])],
      state        => 'MASTER',
      track_script => ['haproxy'],
      priority     => 101,
    }

    # KEEPALIVE INSTANCE PUBLIC
    keepalived::instance { '52':
      interface    => $public_virtual_interface,
      virtual_ips  => [join([$public_virtual_ip, ' dev ', $public_virtual_interface])],
      state        => 'MASTER',
      track_script => ['haproxy'],
      priority     => 101,
    }


    if $internal_api_virtual_ip and $internal_api_virtual_ip != $control_virtual_interface {
      $internal_api_virtual_interface = interface_for_ip($internal_api_virtual_ip)
      # KEEPALIVE INTERNAL API NETWORK
      keepalived::instance { '53':
        interface    => $internal_api_virtual_interface,
        virtual_ips  => [join([$internal_api_virtual_ip, ' dev ', $internal_api_virtual_interface])],
        state        => 'MASTER',
        track_script => ['haproxy'],
        priority     => 101,
      }
    }

    if $storage_virtual_ip and $storage_virtual_ip != $control_virtual_interface {
      $storage_virtual_interface = interface_for_ip($storage_virtual_ip)
      # KEEPALIVE STORAGE NETWORK
      keepalived::instance { '54':
        interface    => $storage_virtual_interface,
        virtual_ips  => [join([$storage_virtual_ip, ' dev ', $storage_virtual_interface])],
        state        => 'MASTER',
        track_script => ['haproxy'],
        priority     => 101,
      }
    }

    if $storage_mgmt_virtual_ip and $storage_mgmt_virtual_ip != $control_virtual_interface {
      $storage_mgmt_virtual_interface = interface_for_ip($storage_mgmt_virtual_ip)
      # KEEPALIVE STORAGE MANAGEMENT NETWORK
      keepalived::instance { '55':
        interface    => $storage_mgmt_virtual_interface,
        virtual_ips  => [join([$storage_mgmt_virtual_ip, ' dev ', $storage_mgmt_virtual_interface])],
        state        => 'MASTER',
        track_script => ['haproxy'],
        priority     => 101,
      }
    }

  }

  if $keystone_certificate {
    $keystone_bind_certificate = $keystone_certificate
  } else {
    $keystone_bind_certificate = $service_certificate
  }
  if $neutron_certificate {
    $neutron_bind_certificate = $neutron_certificate
  } else {
    $neutron_bind_certificate = $service_certificate
  }
  if $cinder_certificate {
    $cinder_bind_certificate = $cinder_certificate
  } else {
    $cinder_bind_certificate = $service_certificate
  }
  if $manila_certificate {
    $manila_bind_certificate = $manila_certificate
  } else {
    $manila_bind_certificate = $service_certificate
  }
  if $glance_certificate {
    $glance_bind_certificate = $glance_certificate
  } else {
    $glance_bind_certificate = $service_certificate
  }
  if $nova_certificate {
    $nova_bind_certificate = $nova_certificate
  } else {
    $nova_bind_certificate = $service_certificate
  }
  if $ceilometer_certificate {
    $ceilometer_bind_certificate = $ceilometer_certificate
  } else {
    $ceilometer_bind_certificate = $service_certificate
  }
  if $swift_certificate {
    $swift_bind_certificate = $swift_certificate
  } else {
    $swift_bind_certificate = $service_certificate
  }
  if $heat_certificate {
    $heat_bind_certificate = $heat_certificate
  } else {
    $heat_bind_certificate = $service_certificate
  }
  if $horizon_certificate {
    $horizon_bind_certificate = $horizon_certificate
  } else {
    $horizon_bind_certificate = $service_certificate
  }
  if $ironic_certificate {
    $ironic_bind_certificate = $ironic_certificate
  } else {
    $ironic_bind_certificate = $service_certificate
  }

  $keystone_public_api_vip = hiera('keystone_public_api_vip', $controller_virtual_ip)
  $keystone_admin_api_vip = hiera('keystone_admin_api_vip', $controller_virtual_ip)
  if $keystone_bind_certificate {
    $keystone_public_bind_opts = {
      "${keystone_public_api_vip}:5000" => [],
      "${public_virtual_ip}:13000" => ['ssl', 'crt', $keystone_bind_certificate],
    }
    $keystone_admin_bind_opts = {
      "${keystone_admin_api_vip}:35357" => [],
      "${public_virtual_ip}:13357" => ['ssl', 'crt', $keystone_bind_certificate],
    }
  } else {
    $keystone_public_bind_opts = {
      "${keystone_public_api_vip}:5000" => [],
      "${public_virtual_ip}:5000" => [],
    }
    $keystone_admin_bind_opts = {
      "${keystone_admin_api_vip}:35357" => [],
      "${public_virtual_ip}:35357" => [],
    }
  }

  $neutron_api_vip = hiera('neutron_api_vip', $controller_virtual_ip)
  if $neutron_bind_certificate {
    $neutron_bind_opts = {
      "${neutron_api_vip}:9696" => [],
      "${public_virtual_ip}:13696" => ['ssl', 'crt', $neutron_bind_certificate],
    }
  } else {
    $neutron_bind_opts = {
      "${neutron_api_vip}:9696" => [],
      "${public_virtual_ip}:9696" => [],
    }
  }

  $cinder_api_vip = hiera('cinder_api_vip', $controller_virtual_ip)
  if $cinder_bind_certificate {
    $cinder_bind_opts = {
      "${cinder_api_vip}:8776" => [],
      "${public_virtual_ip}:13776" => ['ssl', 'crt', $cinder_bind_certificate],
    }
  } else {
    $cinder_bind_opts = {
      "${cinder_api_vip}:8776" => [],
      "${public_virtual_ip}:8776" => [],
    }
  }

  $manila_api_vip = hiera('manila_api_vip', $controller_virtual_ip)
  if $manila_bind_certificate {
    $manila_bind_opts = {
      "${manila_api_vip}:8786" => [],
      "${public_virtual_ip}:13786" => ['ssl', 'crt', $manila_bind_certificate],
    }
  } else {
    $manila_bind_opts = {
      "${manila_api_vip}:8786" => [],
      "${public_virtual_ip}:8786" => [],
    }
  }

  $glance_api_vip = hiera('glance_api_vip', $controller_virtual_ip)
  if $glance_bind_certificate {
    $glance_bind_opts = {
      "${glance_api_vip}:9292" => [],
      "${public_virtual_ip}:13292" => ['ssl', 'crt', $glance_bind_certificate],
    }
  } else {
    $glance_bind_opts = {
      "${glance_api_vip}:9292" => [],
      "${public_virtual_ip}:9292" => [],
    }
  }

  $nova_api_vip = hiera('nova_api_vip', $controller_virtual_ip)
  if $nova_bind_certificate {
    $nova_osapi_bind_opts = {
      "${nova_api_vip}:8774" => [],
      "${public_virtual_ip}:13774" => ['ssl', 'crt', $nova_bind_certificate],
    }
    $nova_ec2_bind_opts = {
      "${nova_api_vip}:8773" => [],
      "${public_virtual_ip}:13773" => ['ssl', 'crt', $nova_bind_certificate],
    }
    $nova_novnc_bind_opts = {
      "${nova_api_vip}:6080" => [],
      "${public_virtual_ip}:13080" => ['ssl', 'crt', $nova_bind_certificate],
    }
  } else {
    $nova_osapi_bind_opts = {
      "${nova_api_vip}:8774" => [],
      "${public_virtual_ip}:8774" => [],
    }
    $nova_ec2_bind_opts = {
      "${nova_api_vip}:8773" => [],
      "${public_virtual_ip}:8773" => [],
    }
    $nova_novnc_bind_opts = {
      "${nova_api_vip}:6080" => [],
      "${public_virtual_ip}:6080" => [],
    }
  }

  $ceilometer_api_vip = hiera('ceilometer_api_vip', $controller_virtual_ip)
  if $ceilometer_bind_certificate {
    $ceilometer_bind_opts = {
      "${ceilometer_api_vip}:8777" => [],
      "${public_virtual_ip}:13777" => ['ssl', 'crt', $ceilometer_bind_certificate],
    }
  } else {
    $ceilometer_bind_opts = {
      "${ceilometer_api_vip}:8777" => [],
      "${public_virtual_ip}:8777" => [],
    }
  }

  $swift_proxy_vip = hiera('swift_proxy_vip', $controller_virtual_ip)
  if $swift_bind_certificate {
    $swift_bind_opts = {
      "${swift_proxy_vip}:8080" => [],
      "${public_virtual_ip}:13080" => ['ssl', 'crt', $swift_bind_certificate],
    }
  } else {
    $swift_bind_opts = {
      "${swift_proxy_vip}:8080" => [],
      "${public_virtual_ip}:8080" => [],
    }
  }

  $heat_api_vip = hiera('heat_api_vip', $controller_virtual_ip)
  if $heat_bind_certificate {
    $heat_bind_opts = {
      "${heat_api_vip}:8004" => [],
      "${public_virtual_ip}:13004" => ['ssl', 'crt', $heat_bind_certificate],
    }
    $heat_options = {
      'rsprep' => "^Location:\\ http://${public_virtual_ip}(.*) Location:\\ https://${public_virtual_ip}\\1",
    }
    $heat_cw_bind_opts = {
      "${heat_api_vip}:8003" => [],
      "${public_virtual_ip}:13003" => ['ssl', 'crt', $heat_bind_certificate],
    }
    $heat_cfn_bind_opts = {
      "${heat_api_vip}:8000" => [],
      "${public_virtual_ip}:13000" => ['ssl', 'crt', $heat_bind_certificate],
    }
  } else {
    $heat_bind_opts = {
      "${heat_api_vip}:8004" => [],
      "${public_virtual_ip}:8004" => [],
    }
    $heat_options = {}
    $heat_cw_bind_opts = {
      "${heat_api_vip}:8003" => [],
      "${public_virtual_ip}:8003" => [],
    }
    $heat_cfn_bind_opts = {
      "${heat_api_vip}:8000" => [],
      "${public_virtual_ip}:8000" => [],
    }
  }

  $horizon_vip = hiera('horizon_vip', $controller_virtual_ip)
  if $horizon_bind_certificate {
    $horizon_bind_opts = {
      "${horizon_vip}:80" => [],
      "${public_virtual_ip}:443" => ['ssl', 'crt', $horizon_bind_certificate],
    }
  } else {
    $horizon_bind_opts = {
      "${horizon_vip}:80" => [],
      "${public_virtual_ip}:80" => [],
    }
  }

  $ironic_api_vip = hiera('ironic_api_vip', $controller_virtual_ip)
  if $ironic_bind_certificate {
    $ironic_bind_opts = {
      "${ironic_api_vip}:6385" => [],
      "${public_virtual_ip}:13385" => ['ssl', 'crt', $ironic_bind_certificate],
    }
  } else {
    $ironic_bind_opts = {
      "${ironic_api_vip}:6385" => [],
      "${public_virtual_ip}:6385" => [],
    }
  }

  sysctl::value { 'net.ipv4.ip_nonlocal_bind': value => '1' }

  class { '::haproxy':
    service_manage   => $haproxy_service_manage,
    global_options   => {
      'log'     => '/dev/log local0',
      'pidfile' => '/var/run/haproxy.pid',
      'user'    => 'haproxy',
      'group'   => 'haproxy',
      'daemon'  => '',
      'maxconn' => $haproxy_global_maxconn,
    },
    defaults_options => {
      'mode'    => 'tcp',
      'log'     => 'global',
      'retries' => '3',
      'timeout' => [ 'http-request 10s', 'queue 1m', 'connect 10s', 'client 1m', 'server 1m', 'check 10s' ],
      'maxconn' => $haproxy_default_maxconn,
    },
  }

  Haproxy::Listen {
    options => {
      'option' => [],
    }
  }

  haproxy::listen { 'haproxy.stats':
    ipaddress        => $controller_virtual_ip,
    ports            => '1993',
    mode             => 'http',
    options          => {
      'stats' => ['enable', 'uri /'],
    },
    collect_exported => false,
  }

  if $keystone_admin {
    haproxy::listen { 'keystone_admin':
      bind             => $keystone_admin_bind_opts,
      collect_exported => false,
    }
    haproxy::balancermember { 'keystone_admin':
      listening_service => 'keystone_admin',
      ports             => '35357',
      ipaddresses       => hiera('keystone_admin_api_node_ips',$controller_hosts_real),
      server_names      => $controller_hosts_names_real,
      options           => ['check', 'inter 2000', 'rise 2', 'fall 5'],
    }
  }

  if $keystone_public {
    haproxy::listen { 'keystone_public':
      bind             => $keystone_public_bind_opts,
      collect_exported => false,
    }
    haproxy::balancermember { 'keystone_public':
      listening_service => 'keystone_public',
      ports             => '5000',
      ipaddresses       => hiera('keystone_public_api_node_ips', $controller_hosts_real),
      server_names      => $controller_hosts_names_real,
      options           => ['check', 'inter 2000', 'rise 2', 'fall 5'],
    }
  }

  if $neutron {
    haproxy::listen { 'neutron':
      bind             => $neutron_bind_opts,
      collect_exported => false,
    }
    haproxy::balancermember { 'neutron':
      listening_service => 'neutron',
      ports             => '9696',
      ipaddresses       => hiera('neutron_api_node_ips', $controller_hosts_real),
      server_names      => $controller_hosts_names_real,
      options           => ['check', 'inter 2000', 'rise 2', 'fall 5'],
    }
  }

  if $cinder {
    haproxy::listen { 'cinder':
      bind             => $cinder_bind_opts,
      collect_exported => false,
    }
    haproxy::balancermember { 'cinder':
      listening_service => 'cinder',
      ports             => '8776',
      ipaddresses       => hiera('cinder_api_node_ips', $controller_hosts_real),
      server_names      => $controller_hosts_names_real,
      options           => ['check', 'inter 2000', 'rise 2', 'fall 5'],
    }
  }

  if manila {
    haproxy::listen { 'manila':
      bind             => $manila_bind_opts,
      collect_exported => false,
    }
    haproxy::balancermember { 'manila':
      listening_service => 'manila',
      ports             => '8786',
      ipaddresses       => hiera('manila_api_node_ips', $controller_hosts_real),
      server_names      => $controller_hosts_names_real,
      options           => ['check', 'inter 2000', 'rise 2', 'fall 5'],
    }
  }

  if $glance_api {
    haproxy::listen { 'glance_api':
      bind             => $glance_bind_opts,
      collect_exported => false,
    }
    haproxy::balancermember { 'glance_api':
      listening_service => 'glance_api',
      ports             => '9292',
      ipaddresses       => hiera('glance_api_node_ips', $controller_hosts_real),
      server_names      => $controller_hosts_names_real,
      options           => ['check', 'inter 2000', 'rise 2', 'fall 5'],
    }
  }

  if $glance_registry {
    haproxy::listen { 'glance_registry':
      ipaddress        => hiera('glance_registry_vip', $controller_virtual_ip),
      ports            => 9191,
      collect_exported => false,
    }
    haproxy::balancermember { 'glance_registry':
      listening_service => 'glance_registry',
      ports             => '9191',
      ipaddresses       => hiera('glance_registry_node_ips', $controller_hosts_real),
      server_names      => $controller_hosts_names_real,
      options           => ['check', 'inter 2000', 'rise 2', 'fall 5'],
    }
  }

  if $nova_ec2 {
    haproxy::listen { 'nova_ec2':
      bind             => $nova_ec2_bind_opts,
      collect_exported => false,
    }
    haproxy::balancermember { 'nova_ec2':
      listening_service => 'nova_ec2',
      ports             => '8773',
      ipaddresses       => hiera('nova_api_node_ips', $controller_hosts_real),
      server_names      => $controller_hosts_names_real,
      options           => ['check', 'inter 2000', 'rise 2', 'fall 5'],
    }
  }

  if $nova_osapi {
    haproxy::listen { 'nova_osapi':
      bind             => $nova_osapi_bind_opts,
      collect_exported => false,
    }
    haproxy::balancermember { 'nova_osapi':
      listening_service => 'nova_osapi',
      ports             => '8774',
      ipaddresses       => hiera('nova_api_node_ips', $controller_hosts_real),
      server_names      => $controller_hosts_names_real,
      options           => ['check', 'inter 2000', 'rise 2', 'fall 5'],
    }
  }

  if $nova_metadata {
    haproxy::listen { 'nova_metadata':
      ipaddress        => hiera('nova_metadata_vip', $controller_virtual_ip),
      ports            => 8775,
      collect_exported => false,
    }
    haproxy::balancermember { 'nova_metadata':
      listening_service => 'nova_metadata',
      ports             => '8775',
      ipaddresses       => hiera('nova_metadata_node_ips', $controller_hosts_real),
      server_names      => $controller_hosts_names_real,
      options           => ['check', 'inter 2000', 'rise 2', 'fall 5'],
    }
  }

  if $nova_novncproxy {
    haproxy::listen { 'nova_novncproxy':
      bind             => $nova_novnc_bind_opts,
      collect_exported => false,
    }
    haproxy::balancermember { 'nova_novncproxy':
      listening_service => 'nova_novncproxy',
      ports             => '6080',
      ipaddresses       => hiera('nova_api_node_ips', $controller_hosts_real),
      server_names      => $controller_hosts_names_real,
      options           => ['check', 'inter 2000', 'rise 2', 'fall 5'],
    }
  }

  if $ceilometer {
    haproxy::listen { 'ceilometer':
      bind             => $ceilometer_bind_opts,
      collect_exported => false,
    }
    haproxy::balancermember { 'ceilometer':
      listening_service => 'ceilometer',
      ports             => '8777',
      ipaddresses       => hiera('ceilometer_api_node_ips', $controller_hosts_real),
      server_names      => $controller_hosts_names_real,
      options           => ['check', 'inter 2000', 'rise 2', 'fall 5'],
    }
  }

  if $swift_proxy_server {
    haproxy::listen { 'swift_proxy_server':
      bind             => $swift_bind_opts,
      collect_exported => false,
    }
    haproxy::balancermember { 'swift_proxy_server':
      listening_service => 'swift_proxy_server',
      ports             => '8080',
      ipaddresses       => hiera('swift_proxy_node_ips', $controller_hosts_real),
      server_names      => $controller_hosts_names_real,
      options           => ['check', 'inter 2000', 'rise 2', 'fall 5'],
    }
  }

  if $heat_api {
    haproxy::listen { 'heat_api':
      bind             => $heat_bind_opts,
      options          => $heat_options,
      collect_exported => false,
      mode             => 'http',
    }
    haproxy::balancermember { 'heat_api':
      listening_service => 'heat_api',
      ports             => '8004',
      ipaddresses       => hiera('heat_api_node_ips', $controller_hosts_real),
      server_names      => $controller_hosts_names_real,
      options           => ['check', 'inter 2000', 'rise 2', 'fall 5'],
    }
  }

  if $heat_cloudwatch {
    haproxy::listen { 'heat_cloudwatch':
      bind             => $heat_cw_bind_opts,
      collect_exported => false,
    }
    haproxy::balancermember { 'heat_cloudwatch':
      listening_service => 'heat_cloudwatch',
      ports             => '8003',
      ipaddresses       => hiera('heat_api_node_ips', $controller_hosts_real),
      server_names      => $controller_hosts_names_real,
      options           => ['check', 'inter 2000', 'rise 2', 'fall 5'],
    }
  }

  if $heat_cfn {
    haproxy::listen { 'heat_cfn':
      bind             => $heat_cfn_bind_opts,
      collect_exported => false,
    }
    haproxy::balancermember { 'heat_cfn':
      listening_service => 'heat_cfn',
      ports             => '8000',
      ipaddresses       => hiera('heat_api_node_ips', $controller_hosts_real),
      server_names      => $controller_hosts_names_real,
      options           => ['check', 'inter 2000', 'rise 2', 'fall 5'],
    }
  }

  if $horizon {
    haproxy::listen { 'horizon':
      bind             => $horizon_bind_opts,
      options          => {
        'cookie' => 'SERVERID insert indirect nocache',
      },
      collect_exported => false,
    }
    haproxy::balancermember { 'horizon':
      listening_service => 'horizon',
      ports             => '80',
      ipaddresses       => hiera('horizon_node_ips', $controller_hosts_real),
      server_names      => $controller_hosts_names_real,
      options           => ['check', 'inter 2000', 'rise 2', 'fall 5'],
    }
  }

  if $mysql_clustercheck {
    $mysql_listen_options = {
        'option'      => [ 'tcpka', 'httpchk' ],
        'timeout'     => [ 'client 0', 'server 0' ],
        'stick-table' => 'type ip size 1000',
        'stick'       => 'on dst',
    }
    $mysql_member_options = ['check', 'inter 2000', 'rise 2', 'fall 5', 'backup', 'port 9200', 'on-marked-down shutdown-sessions']
  } else {
    $mysql_listen_options = {
        'timeout'     => [ 'client 0', 'server 0' ],
    }
    $mysql_member_options = ['check', 'inter 2000', 'rise 2', 'fall 5', 'backup']
  }

  if $ironic {
    haproxy::listen { 'ironic':
      bind             => $ironic_bind_opts,
      collect_exported => false,
    }
    haproxy::balancermember { 'ironic':
      listening_service => 'ironic',
      ports             => '6385',
      ipaddresses       => hiera('ironic_api_node_ips', $controller_hosts_real),
      server_names      => $controller_hosts_names_real,
      options           => ['check', 'inter 2000', 'rise 2', 'fall 5'],
    }
  }

  if $mysql {
    haproxy::listen { 'mysql':
      ipaddress        => [hiera('mysql_vip', $controller_virtual_ip)],
      ports            => 3306,
      options          => $mysql_listen_options,
      collect_exported => false,
    }
    haproxy::balancermember { 'mysql-backup':
      listening_service => 'mysql',
      ports             => '3306',
      ipaddresses       => hiera('mysql_node_ips', $controller_hosts_real),
      server_names      => $controller_hosts_names_real,
      options           => $mysql_member_options,
    }
  }

  if $rabbitmq {
    haproxy::listen { 'rabbitmq':
      ipaddress        => [hiera('rabbitmq_vip', $controller_virtual_ip)],
      ports            => 5672,
      options          => {
        'option'  => [ 'tcpka' ],
        'timeout' => [ 'client 0', 'server 0' ],
      },
      collect_exported => false,
    }
    haproxy::balancermember { 'rabbitmq':
      listening_service => 'rabbitmq',
      ports             => '5672',
      ipaddresses       => hiera('rabbitmq_network', $controller_hosts_real),
      server_names      => $controller_hosts_names_real,
      options           => ['check', 'inter 2000', 'rise 2', 'fall 5'],
    }
  }

  if $redis {
    haproxy::listen { 'redis':
      ipaddress        => [hiera('redis_vip', $controller_virtual_ip)],
      ports            => 6379,
      options          => {
        'timeout'   => [ 'client 0', 'server 0' ],
        'balance'   => 'first',
        'option'    => ['tcp-check',],
        'tcp-check' => ['send info\ replication\r\n','expect string role:master'],
      },
      collect_exported => false,
    }
    haproxy::balancermember { 'redis':
      listening_service => 'redis',
      ports             => '6379',
      ipaddresses       => hiera('redis_node_ips', $controller_hosts_real),
      server_names      => $controller_hosts_names_real,
      options           => ['check', 'inter 2000', 'rise 2', 'fall 5'],
    }
  }

}