gistfile1.txt

  $nodecount = count($controller_node_ips)
  $cmd = "mysql -e \"show status LIKE 'wsrep_cluster_size'\" | grep ${nodecount}"
  exec { 'validate_galera_connection':
    path        => '/usr/bin:/bin:/usr/sbin:/sbin',
    provider    => shell,
    command     => $cmd,
    tries       => 20,
    timeout     => 30,
    try_sleep   => 10,
    require     => File['/etc/sysconfig/clustercheck'],
    before      => Exec['galera-ready']
  }