# profiles::metrics::grafana
class profiles::metrics::grafana (
  Integer   $http_port      = 8080,
  String    $app_mode       = 'production',
  Boolean   $allow_sign_up  = false,
  Boolean   $mysql_backend  = true,
  String    $mysql_host     = '127.0.0.1:3306',
  String    $mysql_user     = 'grafana',
  Sensitive $mysql_pass     = 'grafana',
  Sensitive $mysql_name     = 'grafana',

) {

  # set the fqdn
  $fqdn = $::facts['networking']['fqdn']

  # when using mysql backend
  if $mysql_backend {

    # create a db for grafana
    @@mysql::db { "mydb_${fqdn}":
      user     => $mysql_user,
      password => $mysql_pass,
      dbname   => $mysql_name,
      host     => $fqdn,
      grant    => ['SELECT', 'UPDATE'],
      #tag      => $domain,
    }

    $database_config = {
      type     => 'mysql',
      host     => $mysql_host,
      name     => $mysql_name,
      user     => $mysql_user,
      password => $mysql_pass.unwrap,
    }

    $sensitive_database_config = Sensitive($database_config)
  }

  # build the grafana config hash
  $cfg = {
    app_mode => $app_mode,
    server   => {
      http_port => $http_port,
    },
    database => $sensitive_database_config,
    users    => {
      allow_sign_up => $allow_sign_up,
    },
  }

  # deploy grafana
  class { 'grafana':
    cfg => $cfg,
  }

}