Move opentelemetry initialisation to servicebuilder in AzureFunctions sample (#4786)

Author: jamescrosswell

samples/Sentry.Samples.OpenTelemetry.AzureFunctions/Program.cs

@@ -1,16 +1,20 @@
+using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.Hosting;
 using Microsoft.Extensions.Logging;
-using OpenTelemetry;
 using OpenTelemetry.Trace;
 using Sentry.OpenTelemetry;
 
-using var tracerProvider = Sdk.CreateTracerProviderBuilder()
-    .AddSentry() // <-- Configure OpenTelemetry to send traces to Sentry
-    .AddHttpClientInstrumentation() // From OpenTelemetry.Instrumentation.Http... adds automatic tracing for outgoing HTTP requests
-    .Build();
-
 var host = new HostBuilder()
     .ConfigureFunctionsWorkerDefaults()
+    .ConfigureServices(services =>
+    {
+        services.AddOpenTelemetry().WithTracing(builder =>
+        {
+            builder
+                .AddSentry() // <-- Configure OpenTelemetry to send traces to Sentry
+                .AddHttpClientInstrumentation(); // From OpenTelemetry.Instrumentation.Http... adds automatic tracing for outgoing HTTP requests
+        });
+    })
     .ConfigureLogging(logging =>
     {
         logging.AddSentry(options =>

samples/Sentry.Samples.OpenTelemetry.AzureFunctions/Sentry.Samples.OpenTelemetry.AzureFunctions.csproj

@@ -10,8 +10,9 @@
         <PackageReference Include="Microsoft.Azure.Functions.Worker.Extensions.Http" Version="3.0.13" />
         <PackageReference Include="Microsoft.Azure.Functions.Worker.Extensions.Timer" Version="4.2.0" />
         <PackageReference Include="Microsoft.Azure.Functions.Worker.Sdk" Version="2.0.0" />
-        <PackageReference Include="OpenTelemetry" Version="1.13.0" />
-        <PackageReference Include="OpenTelemetry.Instrumentation.Http" Version="1.13.0" />
+        <PackageReference Include="OpenTelemetry" Version="1.14.0" />
+        <PackageReference Include="OpenTelemetry.Extensions.Hosting" Version="1.14.0" />
+        <PackageReference Include="OpenTelemetry.Instrumentation.Http" Version="1.14.0" />
     </ItemGroup>
 
     <ItemGroup>