control-repo/site-modules/role/manifests/loadbalancer.pp

class role::loadbalancer (
  Optional[String]   $ports1 = '80',
  Optional[String]   $ports2 = undef,
  Optional[String]   $rule1 = 'puppet00',
  Optional[String]   $rule2 = undef,
  Optional[String]   $backendserver_name1 = '',
  Optional[String]   $backendserver_name2 = '',
  Optional[String]   $backendserver_ipaddress1 = undef,
  Optional[String]   $backendserver_ipaddress2 = undef,
  Optional[String]   $connetc_timeout = '60s',
  ) {

    class { 'haproxy':
    merge_options => true,
    global_options   => {
      'log'     => "${::ipaddress} local0",
      'chroot'  => '/var/lib/haproxy',
      'pidfile' => '/var/run/haproxy.pid',
      'maxconn' => '4000',
      'user'    => 'haproxy',
      'group'   => 'haproxy',
      'daemon'  => '',
      'stats'   => 'socket /var/lib/haproxy/stats',
    },
    defaults_options => {
      'log'     => 'global',
      'stats'   => 'enable',
      'option'  => [
        'redispatch',
      ],
      'retries' => '3',
      'timeout' => [
        'http-request 10s',
        'queue 1m',
        'connect 300s',
        'client 600s',
        'server 600s',
        'check 1m',
      ],
      'maxconn' => '8000',
    },
  }

  include ::haproxy

  haproxy::listen { $rule1 :
    collect_exported => false,
    ipaddress        => $::ipaddress,
    ports            => $ports1,
  }

  haproxy::listen { $rule2 :
    collect_exported => false,
    ipaddress        => $::ipaddress,
    ports            => $ports2,

  }


  haproxy::balancermember { 'member1' :
    listening_service => $rule1,
    server_names      => $backendserver_name1,
    ipaddresses       => $backendserver_ipaddress1,
    ports             => $ports1,
    options           => 'check',

  }

  haproxy::balancermember { 'member2' :
   listening_service => $rule1,
   server_names      => $backendserver_name2,
   ipaddresses       => $backendserver_ipaddress2,
   ports             => $ports1,
   options           => 'check',
  }

#pending Improvement, possible areas: Array Input with multipal ports

haproxy::balancermember { 'member3' :
  listening_service => $rule2,
  server_names      => $backendserver_name1,
  ipaddresses       => $backendserver_ipaddress1,
  ports             => $ports2,
  options           => 'check',

}

haproxy::balancermember { 'member4' :
 listening_service => $rule2,
 server_names      => $backendserver_name2,
 ipaddresses       => $backendserver_ipaddress2,
 ports             => $ports2,
 options           => 'check',
}



}