From 3e1fd4bd73e3faa14b28ce2d1d972b5a269ef0d2 Mon Sep 17 00:00:00 2001
From: David Fowler <davidfowl@gmail.com>
Date: Sat, 5 Nov 2022 14:58:25 -0700
Subject: [PATCH] Added event counter instrumentation - Added counters for
 ASP.NET Core hosting

---
 .../Podcasts/Podcast.MinimalAPI/Podcast.MinimalAPI.csproj   | 3 ++-
 src/Services/Podcasts/Podcast.MinimalAPI/Program.cs         | 6 +++++-
 2 files changed, 7 insertions(+), 2 deletions(-)

diff --git a/src/Services/Podcasts/Podcast.MinimalAPI/Podcast.MinimalAPI.csproj b/src/Services/Podcasts/Podcast.MinimalAPI/Podcast.MinimalAPI.csproj
index 4b3b1df..2ea420c 100644
--- a/src/Services/Podcasts/Podcast.MinimalAPI/Podcast.MinimalAPI.csproj
+++ b/src/Services/Podcasts/Podcast.MinimalAPI/Podcast.MinimalAPI.csproj
@@ -26,7 +26,8 @@
 		<PackageReference Include="OpenTelemetry.Exporter.Jaeger" Version="1.4.0-beta.2" />
 		<PackageReference Include="OpenTelemetry.Exporter.Prometheus.AspNetCore" Version="1.4.0-beta.2" />
 		<PackageReference Include="OpenTelemetry.Extensions.Hosting" Version="1.0.0-rc9.8" />
-		<PackageReference Include="OpenTelemetry.Instrumentation.AspNetCore" Version="1.0.0-rc9.8" />
+        <PackageReference Include="OpenTelemetry.Instrumentation.EventCounters" Version="1.0.0-alpha.1" />
+        <PackageReference Include="OpenTelemetry.Instrumentation.AspNetCore" Version="1.0.0-rc9.8" />
 		<PackageReference Include="OpenTelemetry.Instrumentation.EntityFrameworkCore" Version="1.0.0-beta.3" />
 		<PackageReference Include="OpenTelemetry.Instrumentation.Http" Version="1.0.0-rc9.8" />
 		<PackageReference Include="OpenTelemetry.Instrumentation.Process" Version="0.1.0-alpha.1" />
diff --git a/src/Services/Podcasts/Podcast.MinimalAPI/Program.cs b/src/Services/Podcasts/Podcast.MinimalAPI/Program.cs
index 8977278..182fff0 100644
--- a/src/Services/Podcasts/Podcast.MinimalAPI/Program.cs
+++ b/src/Services/Podcasts/Podcast.MinimalAPI/Program.cs
@@ -97,7 +97,11 @@ builder.Services.AddOpenTelemetryMetrics(metrics =>
     .AddHttpClientInstrumentation()
     .AddRuntimeInstrumentation()
     .AddProcessInstrumentation()
-    .AddHttpClientInstrumentation();
+    .AddHttpClientInstrumentation()
+    .AddEventCountersInstrumentation(ec =>
+    {
+        ec.AddEventSources("Microsoft.AspNetCore.Hosting");
+    });
 });
 
 builder.Logging.AddOpenTelemetry(logging =>