public async Task ProcessAsync(CancellationToken cancellationToken)
{
try
{
var ingresses = _cache.GetIngresses().ToArray();
var configContext = new YarpConfigContext();
foreach (var ingress in ingresses)
{
if (_cache.TryGetReconcileData(new NamespacedName(ingress.Metadata.NamespaceProperty, ingress.Metadata.Name), out var data))
{
var ingressContext = new YarpIngressContext(ingress, data.ServiceList, data.EndpointsList);
YarpParser.ConvertFromKubernetesIngress(ingressContext, configContext);
}
}
var clusters = configContext.BuildClusterConfig();
_logger.LogInformation(JsonSerializer.Serialize(configContext.Routes));
_logger.LogInformation(JsonSerializer.Serialize(clusters));
await _updateConfig.UpdateAsync(configContext.Routes, clusters, cancellationToken).ConfigureAwait(false);
}
catch (Exception ex)
{
_logger.LogWarning(ex, "Uncaught exception occured while reconciling");
throw;
}
}
public override async Task RunAsync(CancellationToken cancellationToken)
{
using var client = new HttpClient();
while (!cancellationToken.IsCancellationRequested)
{
await _limiter.WaitAsync(cancellationToken).ConfigureAwait(false);
#pragma warning disable CA1303 // Do not pass literals as localized parameters
Logger.LogInformation("Connecting with {ControllerUrl}", _options.ControllerUrl.ToString());
try
{
using var stream = await client.GetStreamAsync(_options.ControllerUrl, cancellationToken).ConfigureAwait(false);
using var reader = new StreamReader(stream, Encoding.UTF8, leaveOpen: true);
using var cancellation = cancellationToken.Register(stream.Close);
while (true)
{
var json = await reader.ReadLineAsync().ConfigureAwait(false);
if (string.IsNullOrEmpty(json))
{
break;
}
var message = System.Text.Json.JsonSerializer.Deserialize <Message>(json);
Logger.LogInformation("Received {MessageType} for {MessageKey}", message.MessageType, message.Key);
Logger.LogInformation(json);
Logger.LogInformation(message.MessageType.ToString());
if (message.MessageType == MessageType.Update)
{
await _proxyConfigProvider.UpdateAsync(message.Routes, message.Cluster, cancellation.Token).ConfigureAwait(false);
}
}
}
#pragma warning disable CA1031 // Do not catch general exception types
catch (Exception ex)
#pragma warning restore CA1031 // Do not catch general exception types
{
Logger.LogInformation(ex, "Stream ended");
}
#pragma warning restore CA1303 // Do not pass literals as localized parameters
}
}