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MessageChannel work for Seq Logging

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Janus Knudsen 2025-02-14 17:45:49 +01:00
parent e777135d62
commit bf50563ab7
6 changed files with 119 additions and 84 deletions
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141
Core/Telemetry/SeqBackgroundService.cs
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@ -1,64 +1,101 @@
using Microsoft.ApplicationInsights;
using Microsoft.ApplicationInsights.Channel;
using Microsoft.Extensions.Hosting;
using System.Net.Http.Headers;
using System.Text;
namespace Core.Telemetry
{
public class SeqBackgroundService : BackgroundService
{
private readonly IMessageChannel _messageChannel;
private readonly TelemetryClient _telemetryClient;
private readonly HttpClient _httpClient;
public class SeqBackgroundService : BackgroundService
{
private readonly IMessageChannel<ITelemetry> _messageChannel;
private readonly TelemetryClient _telemetryClient;
private readonly HttpClient _httpClient;
public SeqBackgroundService(
TelemetryClient telemetryClient,
IMessageChannel messageChannel,
HttpClient httpClient)
{
_telemetryClient = telemetryClient;
_messageChannel = messageChannel;
_httpClient = httpClient;
}
public SeqBackgroundService(TelemetryClient telemetryClient,
IMessageChannel<ITelemetry> messageChannel,
HttpClient httpClient)
{
_telemetryClient = telemetryClient;
_messageChannel = messageChannel;
_httpClient = httpClient;
protected override async Task ExecuteAsync(CancellationToken stoppingToken)
{
try
{
while (!stoppingToken.IsCancellationRequested)
await foreach (var message in _messageChannel.Reader.ReadAllAsync(stoppingToken))
{
_httpClient = new HttpClient()
{
BaseAddress = new Uri("http://localhost:5341"),
Timeout = TimeSpan.FromSeconds(30)
};
try
{
//using var response = await _httpClient.SendAsync(message, stoppingToken);
//if (!response.IsSuccessStatusCode)
//{
// _telemetryClient.TrackTrace($"HTTP kald fejlede med status {response.StatusCode}", Microsoft.ApplicationInsights.DataContracts.SeverityLevel.Warning);
// continue;
//}
}
catch (Exception ex)
{
_telemetryClient.TrackException(ex);
}
}
}
catch (Exception ex)
{
if (ex is not OperationCanceledException)
{
_telemetryClient.TrackException(ex);
throw;
}
_httpClient.DefaultRequestHeaders.Accept.Clear();
_httpClient.DefaultRequestHeaders.Accept.Add(new MediaTypeWithQualityHeaderValue("application/json"));
_telemetryClient.TrackTrace("Service shutdown påbegyndt");
}
}
public override async Task StopAsync(CancellationToken cancellationToken)
{
}
_messageChannel.Dispose();
await base.StopAsync(cancellationToken);
}
}
protected override async Task ExecuteAsync(CancellationToken stoppingToken)
{
try
{
while (!stoppingToken.IsCancellationRequested)
await foreach (var message in _messageChannel.Reader.ReadAllAsync(stoppingToken))
{
try
{
var eventTelemetry = message as Microsoft.ApplicationInsights.DataContracts.EventTelemetry;
var level = "Information";
var seqEvent = new Dictionary<string, object>
{
{ "@t", DateTime.UtcNow.ToString("o") },
{ "@mt", eventTelemetry.Name },
{ "@l", level } // "Information", "Warning", "Error", etc.
};
foreach (var prop in eventTelemetry.Context.GlobalProperties)
{
seqEvent.Add(prop.Key, prop.Value);
}
var content = new StringContent(Newtonsoft.Json.JsonConvert.SerializeObject(seqEvent), Encoding.UTF8, "application/vnd.serilog.clef");
var key = "4XhWFtY4jJ0NBgohBAFF"; ;
//Gt8hS9ClGNfOCAdswDlW
var requestMessage = new HttpRequestMessage(HttpMethod.Post, $"/ingest/clef?apiKey={key}");
requestMessage.Content = content;
var response = await _httpClient.SendAsync(requestMessage, stoppingToken);
response.EnsureSuccessStatusCode();
//if (!response.IsSuccessStatusCode)
//{
// _telemetryClient.TrackTrace($"HTTP kald fejlede med status {response.StatusCode}", Microsoft.ApplicationInsights.DataContracts.SeverityLevel.Warning);
// continue;
//}
}
catch (Exception ex)
{
//_telemetryClient.TrackException(ex); this is disabled for now, we need to think about the channel structure first
}
}
}
catch (Exception ex)
{
if (ex is not OperationCanceledException)
{
_telemetryClient.TrackException(ex);
throw;
}
_telemetryClient.TrackTrace("Service shutdown started");
}
}
public override async Task StopAsync(CancellationToken cancellationToken)
{
_messageChannel.Dispose();
await base.StopAsync(cancellationToken);
}
}
}