def METHOD_NAME(configuration_name: Optional[str] = None,
                      resource_group_name: Optional[str] = None,
                      server_name: Optional[str] = None,
                      opts: Optional[pulumi.InvokeOptions] = None) -> AwaitableGetConfigurationResult:
    """
    Gets information about a configuration of server.
    :param str configuration_name: The name of the server configuration.
    :param str resource_group_name: The name of the resource group that contains the resource. You can obtain this value from the Azure Resource Manager API or the portal.
    :param str server_name: The name of the server.
    """
    __args__ = dict()
    __args__['configurationName'] = configuration_name
    __args__['resourceGroupName'] = resource_group_name
    __args__['serverName'] = server_name
    opts = pulumi.InvokeOptions.merge(_utilities.get_invoke_opts_defaults(), opts)
    __ret__ = pulumi.runtime.invoke('azure-native:dbformariadb/v20180601preview:getConfiguration', __args__, opts=opts, typ=GetConfigurationResult).value
    return AwaitableGetConfigurationResult(
        allowed_values=pulumi.get(__ret__, 'allowed_values'),
        data_type=pulumi.get(__ret__, 'data_type'),
        default_value=pulumi.get(__ret__, 'default_value'),
        description=pulumi.get(__ret__, 'description'),
        id=pulumi.get(__ret__, 'id'),
        name=pulumi.get(__ret__, 'name'),
        source=pulumi.get(__ret__, 'source'),
        type=pulumi.get(__ret__, 'type'),
        value=pulumi.get(__ret__, 'value'))