Add runtime metrics to example aspnet core app (#3408)

open-telemetry · Jun 28, 2022 · f4dddbe · f4dddbe
1 parent dae9f7d
commit f4dddbe
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Showing 2 changed files with 6 additions and 4 deletions.
diff --git a/examples/AspNetCore/Examples.AspNetCore.csproj b/examples/AspNetCore/Examples.AspNetCore.csproj
@@ -8,6 +8,7 @@
 
   <ItemGroup>
     <PackageReference Include="Swashbuckle.AspNetCore" Version="$(SwashbuckleAspNetCorePkgVer)" />
+    <PackageReference Include="OpenTelemetry.Instrumentation.Runtime" Version="$(RuntimeInstrumentationPkgVer)" />
   </ItemGroup>
 
   <ItemGroup>

diff --git a/examples/AspNetCore/Program.cs b/examples/AspNetCore/Program.cs
@@ -113,13 +113,16 @@
 });
 
 // Metrics
+
+var metricsExporter = builder.Configuration.GetValue<string>("UseMetricsExporter").ToLowerInvariant();
+
 builder.Services.AddOpenTelemetryMetrics(options =>
 {
     options.ConfigureResource(configureResource)
+        .AddRuntimeMetrics()
         .AddHttpClientInstrumentation()
         .AddAspNetCoreInstrumentation();
 
-    var metricsExporter = builder.Configuration.GetValue<string>("UseMetricsExporter").ToLowerInvariant();
     switch (metricsExporter)
     {
         case "prometheus":
@@ -160,9 +163,7 @@
 
 app.MapControllers();
 
-var metricsExporter = builder.Configuration.GetValue<string>("UseMetricsExporter").ToLowerInvariant();
-
-if (metricsExporter == "prometheus")
+if (metricsExporter.Equals("prometheus", StringComparison.OrdinalIgnoreCase))
 {
     app.UseOpenTelemetryPrometheusScrapingEndpoint();
 }