/// <summary>
/// Méthode d'extesnsion pour valider la configuration KongRegister du fichier appsettings.json
/// </summary>
/// <param name="kongRegisterConfig"></param>
public static void Validate(this KongRegisterConfig kongRegisterConfig)
{
if (kongRegisterConfig.KongApiUrl == null)
{
throw new ArgumentNullException(nameof(kongRegisterConfig.KongApiUrl));
}
if ((kongRegisterConfig.TargetHostDiscovery == null || !kongRegisterConfig.TargetHostDiscovery.Equals("dynamic", StringComparison.InvariantCultureIgnoreCase)) &&
kongRegisterConfig.TargetHost == null)
{
throw new ArgumentNullException(nameof(kongRegisterConfig.TargetHost));
}
if ((kongRegisterConfig.TargetPortDiscovery == null || !kongRegisterConfig.TargetPortDiscovery.Equals("dynamic", StringComparison.InvariantCultureIgnoreCase)) &&
kongRegisterConfig.TargetPort == null)
{
throw new ArgumentNullException(nameof(kongRegisterConfig.TargetPort));
}
if (kongRegisterConfig.UpstreamId == null)
{
throw new ArgumentNullException(nameof(kongRegisterConfig.UpstreamId));
}
if (kongRegisterConfig.TargetWeight != null &&
(kongRegisterConfig.TargetWeight < 0 || kongRegisterConfig.TargetWeight > 1000))
{
throw new ArgumentOutOfRangeException(nameof(kongRegisterConfig.TargetWeight), "Weight value must be in range 0-1000");
}
}
/// <summary>
/// Service for registering the hosted application in Kong API Gateway.
/// </summary>
/// <param name="kongConfig"></param>
/// <param name="logger"></param>
/// <param name="server"></param>
public KongRegisterBusiness(IOptions <KongRegisterConfig> kongConfig, ILogger <KongRegisterBackgroudService> logger, IServer server)
{
_logger = logger ?? throw new ArgumentNullException(nameof(logger));
_server = server ?? throw new ArgumentNullException(nameof(server));
_kongConfig = kongConfig.Value ?? throw new ArgumentNullException(nameof(kongConfig));
try
{
_kongConfig.Validate();
}
catch (Exception ex)
{
_logger.LogError($"Error configuration file {ex.Message}");
}
_kongUrl = $"{_kongConfig.KongApiUrl}/upstreams/{_kongConfig.UpstreamId}/targets";
}
