Implement telemetry system with data collection and reporting

Signed-off-by: Dmitrii <computer@yawaflua.tech> Took 20 minutes
2026-07-11 00:38:28 +03:00
parent f3a2a5d463
commit 0e53d7dd8c
33 changed files with 1245 additions and 41 deletions
@@ -0,0 +1,50 @@
+using System.Diagnostics;
+
+namespace SpMega.Backend.Middleware;
+
+public class RequestTelemetryMiddleware(RequestDelegate next, ILogger<RequestTelemetryMiddleware> logger)
+{
+    private static readonly ActivitySource Source = new("SpMega.RequestTelemetry");
+    private const string RequestIdHeader = "X-Request-Id";
+
+    public async Task InvokeAsync(HttpContext context)
+    {
+        var path = context.Request.Path.Value ?? string.Empty;
+        if (path.Equals("/api/v1/telemetry", StringComparison.OrdinalIgnoreCase)
+            && context.Request.Method.Equals("POST", StringComparison.OrdinalIgnoreCase))
+        {
+            await next(context);
+            return;
+        }
+
+        var requestId = context.Request.Headers[RequestIdHeader].FirstOrDefault() ?? Guid.NewGuid().ToString("N");
+        context.Response.Headers[RequestIdHeader] = requestId;
+
+        using var activity = Source.StartActivity("http.request", ActivityKind.Server);
+        activity?.SetTag("request.id", requestId);
+        activity?.SetTag("http.method", context.Request.Method);
+        activity?.SetTag("http.path", path);
+        activity?.SetTag("http.scheme", context.Request.Scheme);
+        activity?.SetTag("http.host", context.Request.Host.Value ?? string.Empty);
+        activity?.SetTag("client.ip", context.Connection.RemoteIpAddress?.ToString());
+        activity?.SetTag("http.user_agent", context.Request.Headers.UserAgent.ToString());
+
+        var stopwatch = Stopwatch.StartNew();
+        try
+        {
+            await next(context);
+        }
+        finally
+        {
+            stopwatch.Stop();
+            activity?.SetTag("http.status_code", context.Response.StatusCode);
+            activity?.SetTag("http.duration_ms", stopwatch.ElapsedMilliseconds);
+
+            var userId = context.User?.Identity?.IsAuthenticated == true
+                ? context.User.FindFirst(System.Security.Claims.ClaimTypes.NameIdentifier)?.Value
+                : null;
+            if (userId is not null)
+                activity?.SetTag("user.id", userId);
+        }
+    }
+}