puppet-ceilometer with mariadb have no declaration error

I'm not sure about the bug here, please add more context and describe the steps to reproduce it.
Thanks

need to add mariadb supported

my ceilometer.pp is :

class { '::ceilometer':
  metering_secret => hiera('CONFIG_CEILOMETER_SECRET'),
  verbose => true,
  debug => hiera('CONFIG_DEBUG_MODE'),
  rabbit_host => hiera('CONFIG_AMQP_HOST_URL'),
  rabbit_port => hiera('CONFIG_AMQP_CLIENTS_PORT'),
  rabbit_use_ssl => hiera('CONFIG_AMQP_ENABLE_SSL'),
  rabbit_userid => hiera('CONFIG_AMQP_AUTH_USER'),
  rabbit_password => hiera('CONFIG_AMQP_AUTH_PASSWORD'),
}

$config_mariadb_host = hiera('CONFIG_MARIADB_HOST_URL')
class { '::ceilometer::db':
  database_connection => "mysql://ceilometer:ceilometer@${config_mariadb_host}/ceilometer",
}

$config_controller_host = hiera('CONFIG_KEYSTONE_HOST_URL')

class { '::ceilometer::agent::auth':
  auth_url => "http://${config_controller_host}:35357/v2.0",
  auth_password => hiera('CONFIG_CEILOMETER_KS_PW'),
}

$bind_host = hiera('CONFIG_IP_VERSION') ? {
  'ipv6' => '::0',
  'ipv4' => '0.0.0.0',
}

class { '::ceilometer::api':
  host => $bind_host,
  port => hiera('CONFIG_CEILOMETER_API_PORT'),
  keystone_host => hiera('CONFIG_KEYSTONE_HOST_URL'),
  keystone_password => hiera('CONFIG_CEILOMETER_KS_PW'),
}

class { '::ceilometer::collector': }

class { '::ceilometer::agent::notification': }

class { '::ceilometer::agent::central':}

class { '::ceilometer::alarm::evaluator':}

class { '::ceilometer::alarm::notifier':}