Datadog integration.

backend/extensions/Squidex.Extensions/APM/Datadog/DatadogPlugin.cs

@@ -0,0 +1,82 @@
+// ==========================================================================
+//  Squidex Headless CMS
+// ==========================================================================
+//  Copyright (c) Squidex UG (haftungsbeschraenkt)
+//  All rights reserved. Licensed under the MIT license.
+// ==========================================================================
+
+using System;
+using Datadog.Trace;
+using Datadog.Trace.Configuration;
+using Microsoft.AspNetCore.Builder;
+using Microsoft.AspNetCore.Hosting;
+using Microsoft.Extensions.Configuration;
+using Microsoft.Extensions.DependencyInjection;
+using Squidex.Infrastructure.Log;
+using Squidex.Infrastructure.Plugins;
+
+namespace Squidex.Extensions.APM.Datadoq
+{
+    public sealed class DatadogPlugin : IPlugin, IStartupFilter
+    {
+        public Action<IApplicationBuilder> Configure(Action<IApplicationBuilder> next)
+        {
+            return builder =>
+            {
+                builder.Use(async (context, next) =>
+                {
+                    using (var scope = Tracer.Instance.StartActive(context.Request.Path))
+                    {
+                        try
+                        {
+                            scope.Span.SetTag("http.method", context.Request.Method);
+
+                            await next();
+                        }
+                        catch (Exception ex)
+                        {
+                            scope.Span.SetException(ex);
+                            throw;
+                        }
+                        finally
+                        {
+                            scope.Span.SetTag("http.status_code", context.Response.StatusCode.ToString());
+                        }
+                    }
+                });
+
+                next(builder);
+            };
+        }
+
+        public void ConfigureServices(IServiceCollection services, IConfiguration config)
+        {
+            var isEnabled = config.GetValue<bool>("logging:datadog");
+
+            if (isEnabled)
+            {
+                services.AddSingleton<IStartupFilter>(this);
+
+                SetupTracer();
+                SetupProfiler();
+            }
+        }
+
+        private static void SetupProfiler()
+        {
+            Profiler.SpanStarted += (session) =>
+            {
+                session.Listen(Tracer.Instance.StartActive(session.Key));
+            };
+        }
+
+        private static void SetupTracer()
+        {
+            var settings = TracerSettings.FromDefaultSources();
+
+            settings.ServiceName = "squidex";
+
+            Tracer.Instance = new Tracer(settings);
+        }
+    }
+}

backend/extensions/Squidex.Extensions/Squidex.Extensions.csproj

@@ -11,6 +11,7 @@
     <PackageReference Include="Algolia.Search" Version="5.3.1" />
     <PackageReference Include="Confluent.Kafka" Version="1.2.1" />
     <PackageReference Include="CoreTweet" Version="1.0.0.483" />
+    <PackageReference Include="Datadog.Trace" Version="1.11.0" />
     <PackageReference Include="Elasticsearch.Net" Version="6.8.1" />
     <PackageReference Include="Microsoft.Extensions.Http" Version="3.1.0" />
     <PackageReference Include="Microsoft.OData.Core" Version="7.6.2" />

backend/src/Squidex/appsettings.json

@@ -255,7 +255,11 @@
     /*
      * The number of days request log items will be stored.
      */
-    "storeRetentationInDays": 90
+    "storeRetentationInDays": 90,
+    /*
+     * True, to enable datadog integration.
+     */
+    "datadog": false
   },
 
   "assetStore": {