dotnet · eerhardt · Apr 3, 2024 · Apr 3, 2024 · Apr 3, 2024
diff --git a/Directory.Packages.props b/Directory.Packages.props
@@ -103,9 +103,9 @@
     <PackageVersion Include="Yarp.ReverseProxy" Version="2.1.0" />
     <!-- Open Telemetry -->
     <PackageVersion Include="Npgsql.OpenTelemetry" Version="8.0.2" />
-    <PackageVersion Include="OpenTelemetry.Exporter.InMemory" Version="1.7.0" />
-    <PackageVersion Include="OpenTelemetry.Exporter.OpenTelemetryProtocol" Version="1.7.0" />
-    <PackageVersion Include="OpenTelemetry.Extensions.Hosting" Version="1.7.0" />
+    <PackageVersion Include="OpenTelemetry.Exporter.InMemory" Version="1.8.0" />
+    <PackageVersion Include="OpenTelemetry.Exporter.OpenTelemetryProtocol" Version="1.8.0" />
+    <PackageVersion Include="OpenTelemetry.Extensions.Hosting" Version="1.8.0" />
     <PackageVersion Include="OpenTelemetry.Instrumentation.GrpcNetClient" Version="1.7.0-beta.1" />
     <PackageVersion Include="OpenTelemetry.Instrumentation.Http" Version="1.7.1" />
     <PackageVersion Include="OpenTelemetry.Instrumentation.AspNetCore" Version="1.7.1" />

diff --git a/playground/AWS/AWS.ServiceDefaults/Extensions.cs b/playground/AWS/AWS.ServiceDefaults/Extensions.cs
@@ -6,7 +6,7 @@
 using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.Diagnostics.HealthChecks;
 using Microsoft.Extensions.Logging;
-using OpenTelemetry.Logs;
+using OpenTelemetry;
 using OpenTelemetry.Metrics;
 using OpenTelemetry.Trace;
 
@@ -57,12 +57,6 @@ public static IHostApplicationBuilder ConfigureOpenTelemetry(this IHostApplicati
             })
             .WithTracing(tracing =>
             {
-                if (builder.Environment.IsDevelopment())
-                {
-                    // We want to view all traces in development
-                    tracing.SetSampler(new AlwaysOnSampler());
-                }
-
                 tracing.AddAspNetCoreInstrumentation()
                     // Uncomment the following line to enable gRPC instrumentation (requires the OpenTelemetry.Instrumentation.GrpcNetClient package)
                     //.AddGrpcClientInstrumentation()
@@ -82,9 +76,7 @@ private static IHostApplicationBuilder AddOpenTelemetryExporters(this IHostAppli
 
         if (useOtlpExporter)
         {
-            builder.Services.Configure<OpenTelemetryLoggerOptions>(logging => logging.AddOtlpExporter());
-            builder.Services.ConfigureOpenTelemetryMeterProvider(metrics => metrics.AddOtlpExporter());
-            builder.Services.ConfigureOpenTelemetryTracerProvider(tracing => tracing.AddOtlpExporter());
+            builder.Services.AddOpenTelemetry().UseOtlpExporter();
         }
 
         // Uncomment the following lines to enable the Prometheus exporter (requires the OpenTelemetry.Exporter.Prometheus.AspNetCore package)

diff --git a/playground/Playground.ServiceDefaults/Extensions.cs b/playground/Playground.ServiceDefaults/Extensions.cs
@@ -6,7 +6,7 @@
 using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.Diagnostics.HealthChecks;
 using Microsoft.Extensions.Logging;
-using OpenTelemetry.Logs;
+using OpenTelemetry;
 using OpenTelemetry.Metrics;
 using OpenTelemetry.Trace;
 
@@ -57,12 +57,6 @@ public static IHostApplicationBuilder ConfigureOpenTelemetry(this IHostApplicati
             })
             .WithTracing(tracing =>
             {
-                if (builder.Environment.IsDevelopment())
-                {
-                    // We want to view all traces in development
-                    tracing.SetSampler(new AlwaysOnSampler());
-                }
-
                 tracing.AddAspNetCoreInstrumentation()
                     // Uncomment the following line to enable gRPC instrumentation (requires the OpenTelemetry.Instrumentation.GrpcNetClient package)
                     //.AddGrpcClientInstrumentation()
@@ -80,9 +74,7 @@ private static IHostApplicationBuilder AddOpenTelemetryExporters(this IHostAppli
 
         if (useOtlpExporter)
         {
-            builder.Services.Configure<OpenTelemetryLoggerOptions>(logging => logging.AddOtlpExporter());
-            builder.Services.ConfigureOpenTelemetryMeterProvider(metrics => metrics.AddOtlpExporter());
-            builder.Services.ConfigureOpenTelemetryTracerProvider(tracing => tracing.AddOtlpExporter());
+            builder.Services.AddOpenTelemetry().UseOtlpExporter();
         }
 
         // Uncomment the following lines to enable the Prometheus exporter (requires the OpenTelemetry.Exporter.Prometheus.AspNetCore package)

diff --git a/playground/TestShop/ServiceDefaults/Extensions.cs b/playground/TestShop/ServiceDefaults/Extensions.cs
@@ -3,7 +3,7 @@
 using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.Diagnostics.HealthChecks;
 using Microsoft.Extensions.Logging;
-using OpenTelemetry.Logs;
+using OpenTelemetry;
 using OpenTelemetry.Metrics;
 using OpenTelemetry.Trace;
 
@@ -54,12 +54,6 @@ public static IHostApplicationBuilder ConfigureOpenTelemetry(this IHostApplicati
             })
             .WithTracing(tracing =>
             {
-                if (builder.Environment.IsDevelopment())
-                {
-                    // We want to view all traces in development
-                    tracing.SetSampler(new AlwaysOnSampler());
-                }
-
                 tracing.AddAspNetCoreInstrumentation()
                     .AddGrpcClientInstrumentation()
                     .AddHttpClientInstrumentation();
@@ -76,9 +70,7 @@ private static IHostApplicationBuilder AddOpenTelemetryExporters(this IHostAppli
 
         if (useOtlpExporter)
         {
-            builder.Services.Configure<OpenTelemetryLoggerOptions>(logging => logging.AddOtlpExporter());
-            builder.Services.ConfigureOpenTelemetryMeterProvider(metrics => metrics.AddOtlpExporter());
-            builder.Services.ConfigureOpenTelemetryTracerProvider(tracing => tracing.AddOtlpExporter());
+            builder.Services.AddOpenTelemetry().UseOtlpExporter();
         }
 
         // Uncomment the following lines to enable the Prometheus exporter (requires the OpenTelemetry.Exporter.Prometheus.AspNetCore package)

diff --git a/playground/orleans/OrleansServiceDefaults/Extensions.cs b/playground/orleans/OrleansServiceDefaults/Extensions.cs
@@ -3,7 +3,7 @@
 using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.Diagnostics.HealthChecks;
 using Microsoft.Extensions.Logging;
-using OpenTelemetry.Logs;
+using OpenTelemetry;
 using OpenTelemetry.Metrics;
 using OpenTelemetry.Trace;
 
@@ -55,12 +55,6 @@ public static IHostApplicationBuilder ConfigureOpenTelemetry(this IHostApplicati
             })
             .WithTracing(tracing =>
             {
-                if (builder.Environment.IsDevelopment())
-                {
-                    // We want to view all traces in development
-                    tracing.SetSampler(new AlwaysOnSampler());
-                }
-
                 tracing.AddSource("Microsoft.Orleans.Runtime");
                 tracing.AddSource("Microsoft.Orleans.Application");
 
@@ -80,9 +74,7 @@ private static IHostApplicationBuilder AddOpenTelemetryExporters(this IHostAppli
 
         if (useOtlpExporter)
         {
-            builder.Services.Configure<OpenTelemetryLoggerOptions>(logging => logging.AddOtlpExporter());
-            builder.Services.ConfigureOpenTelemetryMeterProvider(metrics => metrics.AddOtlpExporter());
-            builder.Services.ConfigureOpenTelemetryTracerProvider(tracing => tracing.AddOtlpExporter());
+            builder.Services.AddOpenTelemetry().UseOtlpExporter();
         }
 
         // Uncomment the following lines to enable the Prometheus exporter (requires the OpenTelemetry.Exporter.Prometheus.AspNetCore package)

diff --git a/playground/seq/Seq.ServiceDefaults/Extensions.cs b/playground/seq/Seq.ServiceDefaults/Extensions.cs
@@ -7,7 +7,7 @@
 using Microsoft.Extensions.Diagnostics.HealthChecks;
 using Microsoft.Extensions.Hosting;
 using Microsoft.Extensions.Logging;
-using OpenTelemetry.Logs;
+using OpenTelemetry;
 using OpenTelemetry.Metrics;
 using OpenTelemetry.Trace;
 
@@ -58,12 +58,6 @@ public static IHostApplicationBuilder ConfigureOpenTelemetry(this IHostApplicati
             })
             .WithTracing(tracing =>
             {
-                if (builder.Environment.IsDevelopment())
-                {
-                    // We want to view all traces in development
-                    tracing.SetSampler(new AlwaysOnSampler());
-                }
-
                 tracing.AddSource("MyApp.Source");
 
                 tracing.AddAspNetCoreInstrumentation()
@@ -83,9 +77,7 @@ private static IHostApplicationBuilder AddOpenTelemetryExporters(this IHostAppli
 
         if (useOtlpExporter)
         {
-            builder.Services.Configure<OpenTelemetryLoggerOptions>(logging => logging.AddOtlpExporter());
-            builder.Services.ConfigureOpenTelemetryMeterProvider(metrics => metrics.AddOtlpExporter());
-            builder.Services.ConfigureOpenTelemetryTracerProvider(tracing => tracing.AddOtlpExporter());
+            builder.Services.AddOpenTelemetry().UseOtlpExporter();
         }
 
         // Uncomment the following lines to enable the Prometheus exporter (requires the OpenTelemetry.Exporter.Prometheus.AspNetCore package)

diff --git a/src/Aspire.Hosting/OtlpConfigurationExtensions.cs b/src/Aspire.Hosting/OtlpConfigurationExtensions.cs
@@ -46,14 +46,18 @@ public static void AddOtlpEnvironment(IResource resource, IConfiguration configu
                 context.EnvironmentVariables["OTEL_EXPORTER_OTLP_HEADERS"] = $"x-otlp-api-key={otlpApiKey}";
             }
 
-            // Set a small batch schedule delay in development.
-            // This reduces the delay that OTLP exporter waits to sends telemetry and makes the dashboard telemetry pages responsive.
+            // Configure OTLP to quickly provide all data with a small delay in development.
             if (environment.IsDevelopment())
             {
+                // Set a small batch schedule delay in development.
+                // This reduces the delay that OTLP exporter waits to sends telemetry and makes the dashboard telemetry pages responsive.
                 var value = "1000"; // milliseconds
                 context.EnvironmentVariables["OTEL_BLRP_SCHEDULE_DELAY"] = value;
                 context.EnvironmentVariables["OTEL_BSP_SCHEDULE_DELAY"] = value;
                 context.EnvironmentVariables["OTEL_METRIC_EXPORT_INTERVAL"] = value;
+
+                // Configure trace sampler to send all traces to the dashboard.
+                context.EnvironmentVariables["OTEL_TRACES_SAMPLER"] = "always_on";
             }
         }));
     }

diff --git a/src/Aspire.Hosting/ProjectResourceBuilderExtensions.cs b/src/Aspire.Hosting/ProjectResourceBuilderExtensions.cs
@@ -91,6 +91,11 @@ private static IResourceBuilder<ProjectResource> WithProjectDefaults(this IResou
         // implements IDistributedApplicationResourceWithEnvironment.
         builder.WithEnvironment("OTEL_DOTNET_EXPERIMENTAL_OTLP_EMIT_EXCEPTION_LOG_ATTRIBUTES", "true");
         builder.WithEnvironment("OTEL_DOTNET_EXPERIMENTAL_OTLP_EMIT_EVENT_LOG_ATTRIBUTES", "true");
+        // .NET SDK has experimental support for retries. Enable with env var.
+        // https://github.com/open-telemetry/opentelemetry-dotnet/pull/5495
+        // Remove once retry feature in opentelemetry-dotnet is enabled by default.
+        builder.WithEnvironment("OTEL_DOTNET_EXPERIMENTAL_OTLP_RETRY", "in_memory");
+
         builder.WithOtlpExporter();
         builder.ConfigureConsoleLogs();
 

diff --git a/...ProjectTemplates/templates/aspire-empty/AspireApplication.1.ServiceDefaults/Extensions.cs b/...ProjectTemplates/templates/aspire-empty/AspireApplication.1.ServiceDefaults/Extensions.cs
@@ -3,7 +3,7 @@
 using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.Diagnostics.HealthChecks;
 using Microsoft.Extensions.Logging;
-using OpenTelemetry.Logs;
+using OpenTelemetry;
 using OpenTelemetry.Metrics;
 using OpenTelemetry.Trace;
 
@@ -48,12 +48,6 @@ public static IHostApplicationBuilder ConfigureOpenTelemetry(this IHostApplicati
             })
             .WithTracing(tracing =>
             {
-                if (builder.Environment.IsDevelopment())
-                {
-                    // We want to view all traces in development
-                    tracing.SetSampler(new AlwaysOnSampler());
-                }
-
                 tracing.AddAspNetCoreInstrumentation()
                     // Uncomment the following line to enable gRPC instrumentation (requires the OpenTelemetry.Instrumentation.GrpcNetClient package)
                     //.AddGrpcClientInstrumentation()
@@ -71,9 +65,7 @@ private static IHostApplicationBuilder AddOpenTelemetryExporters(this IHostAppli
 
         if (useOtlpExporter)
         {
-            builder.Services.Configure<OpenTelemetryLoggerOptions>(logging => logging.AddOtlpExporter());
-            builder.Services.ConfigureOpenTelemetryMeterProvider(metrics => metrics.AddOtlpExporter());
-            builder.Services.ConfigureOpenTelemetryTracerProvider(tracing => tracing.AddOtlpExporter());
+            builder.Services.AddOpenTelemetry().UseOtlpExporter();
         }
 
         // Uncomment the following lines to enable the Prometheus exporter (requires the OpenTelemetry.Exporter.Prometheus.AspNetCore package)

diff --git a/src/Aspire.ProjectTemplates/templates/aspire-servicedefaults/Extensions.cs b/src/Aspire.ProjectTemplates/templates/aspire-servicedefaults/Extensions.cs
@@ -4,7 +4,7 @@
 using Microsoft.Extensions.Diagnostics.HealthChecks;
 using Microsoft.Extensions.Logging;
 using Microsoft.Extensions.ServiceDiscovery;
-using OpenTelemetry.Logs;
+using OpenTelemetry;
 using OpenTelemetry.Metrics;
 using OpenTelemetry.Trace;
 
@@ -55,12 +55,6 @@ public static IHostApplicationBuilder ConfigureOpenTelemetry(this IHostApplicati
             })
             .WithTracing(tracing =>
             {
-                if (builder.Environment.IsDevelopment())
-                {
-                    // We want to view all traces in development
-                    tracing.SetSampler(new AlwaysOnSampler());
-                }
-
                 tracing.AddAspNetCoreInstrumentation()
                     // Uncomment the following line to enable gRPC instrumentation (requires the OpenTelemetry.Instrumentation.GrpcNetClient package)
                     //.AddGrpcClientInstrumentation()
@@ -78,9 +72,7 @@ private static IHostApplicationBuilder AddOpenTelemetryExporters(this IHostAppli
 
         if (useOtlpExporter)
         {
-            builder.Services.Configure<OpenTelemetryLoggerOptions>(logging => logging.AddOtlpExporter());
-            builder.Services.ConfigureOpenTelemetryMeterProvider(metrics => metrics.AddOtlpExporter());
-            builder.Services.ConfigureOpenTelemetryTracerProvider(tracing => tracing.AddOtlpExporter());
+            builder.Services.AddOpenTelemetry().UseOtlpExporter();
         }
 
         // Uncomment the following lines to enable the Prometheus exporter (requires the OpenTelemetry.Exporter.Prometheus.AspNetCore package)

diff --git a/...mplates/templates/aspire-starter/AspireStarterApplication.1.ServiceDefaults/Extensions.cs b/...mplates/templates/aspire-starter/AspireStarterApplication.1.ServiceDefaults/Extensions.cs
@@ -3,7 +3,7 @@
 using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.Diagnostics.HealthChecks;
 using Microsoft.Extensions.Logging;
-using OpenTelemetry.Logs;
+using OpenTelemetry;
 using OpenTelemetry.Metrics;
 using OpenTelemetry.Trace;
 
@@ -48,12 +48,6 @@ public static IHostApplicationBuilder ConfigureOpenTelemetry(this IHostApplicati
             })
             .WithTracing(tracing =>
             {
-                if (builder.Environment.IsDevelopment())
-                {
-                    // We want to view all traces in development
-                    tracing.SetSampler(new AlwaysOnSampler());
-                }
-
                 tracing.AddAspNetCoreInstrumentation()
                     // Uncomment the following line to enable gRPC instrumentation (requires the OpenTelemetry.Instrumentation.GrpcNetClient package)
                     //.AddGrpcClientInstrumentation()
@@ -71,9 +65,7 @@ private static IHostApplicationBuilder AddOpenTelemetryExporters(this IHostAppli
 
         if (useOtlpExporter)
         {
-            builder.Services.Configure<OpenTelemetryLoggerOptions>(logging => logging.AddOtlpExporter());
-            builder.Services.ConfigureOpenTelemetryMeterProvider(metrics => metrics.AddOtlpExporter());
-            builder.Services.ConfigureOpenTelemetryTracerProvider(tracing => tracing.AddOtlpExporter());
+            builder.Services.AddOpenTelemetry().UseOtlpExporter();
         }
 
         // Uncomment the following lines to enable the Prometheus exporter (requires the OpenTelemetry.Exporter.Prometheus.AspNetCore package)

@@ -539,6 +539,7 @@ public void VerifyTestProgramFullManifest()
                   "env": {
                     "OTEL_DOTNET_EXPERIMENTAL_OTLP_EMIT_EXCEPTION_LOG_ATTRIBUTES": "true",
                     "OTEL_DOTNET_EXPERIMENTAL_OTLP_EMIT_EVENT_LOG_ATTRIBUTES": "true",
+                    "OTEL_DOTNET_EXPERIMENTAL_OTLP_RETRY": "in_memory",
                     "ASPNETCORE_FORWARDEDHEADERS_ENABLED": "true"
                   },
                   "bindings": {
@@ -560,6 +561,7 @@ public void VerifyTestProgramFullManifest()
                   "env": {
                     "OTEL_DOTNET_EXPERIMENTAL_OTLP_EMIT_EXCEPTION_LOG_ATTRIBUTES": "true",
                     "OTEL_DOTNET_EXPERIMENTAL_OTLP_EMIT_EVENT_LOG_ATTRIBUTES": "true",
+                    "OTEL_DOTNET_EXPERIMENTAL_OTLP_RETRY": "in_memory",
                     "ASPNETCORE_FORWARDEDHEADERS_ENABLED": "true"
                   },
                   "bindings": {
@@ -581,6 +583,7 @@ public void VerifyTestProgramFullManifest()
                   "env": {
                     "OTEL_DOTNET_EXPERIMENTAL_OTLP_EMIT_EXCEPTION_LOG_ATTRIBUTES": "true",
                     "OTEL_DOTNET_EXPERIMENTAL_OTLP_EMIT_EVENT_LOG_ATTRIBUTES": "true",
+                    "OTEL_DOTNET_EXPERIMENTAL_OTLP_RETRY": "in_memory",
                     "ASPNETCORE_FORWARDEDHEADERS_ENABLED": "true"
                   },
                   "bindings": {
@@ -601,7 +604,8 @@ public void VerifyTestProgramFullManifest()
                   "path": "testproject/TestProject.WorkerA/TestProject.WorkerA.csproj",
                   "env": {
                     "OTEL_DOTNET_EXPERIMENTAL_OTLP_EMIT_EXCEPTION_LOG_ATTRIBUTES": "true",
-                    "OTEL_DOTNET_EXPERIMENTAL_OTLP_EMIT_EVENT_LOG_ATTRIBUTES": "true"
+                    "OTEL_DOTNET_EXPERIMENTAL_OTLP_EMIT_EVENT_LOG_ATTRIBUTES": "true",
+                    "OTEL_DOTNET_EXPERIMENTAL_OTLP_RETRY": "in_memory"
                   }
                 },
                 "integrationservicea": {
@@ -610,6 +614,7 @@ public void VerifyTestProgramFullManifest()
                   "env": {
                     "OTEL_DOTNET_EXPERIMENTAL_OTLP_EMIT_EXCEPTION_LOG_ATTRIBUTES": "true",
                     "OTEL_DOTNET_EXPERIMENTAL_OTLP_EMIT_EVENT_LOG_ATTRIBUTES": "true",
+                    "OTEL_DOTNET_EXPERIMENTAL_OTLP_RETRY": "in_memory",
                     "ASPNETCORE_FORWARDEDHEADERS_ENABLED": "true",
                     "SKIP_RESOURCES": "",
                     "ConnectionStrings__tempdb": "{tempdb.connectionString}",

@@ -26,7 +26,7 @@ public async Task AddProjectAddsEnvironmentVariablesAndServiceMetadata()
 
         var resource = Assert.Single(projectResources);
         Assert.Equal("projectName", resource.Name);
-        Assert.Equal(7, resource.Annotations.Count);
+        Assert.Equal(8, resource.Annotations.Count);
 
         var serviceMetadata = Assert.Single(resource.Annotations.OfType<IProjectMetadata>());
         Assert.IsType<TestProject>(serviceMetadata);
@@ -45,6 +45,11 @@ public async Task AddProjectAddsEnvironmentVariablesAndServiceMetadata()
                 Assert.Equal("true", env.Value);
             },
             env =>
+            {
+                Assert.Equal("OTEL_DOTNET_EXPERIMENTAL_OTLP_RETRY", env.Key);
+                Assert.Equal("in_memory", env.Value);
+            },
+            env =>
             {
                 Assert.Equal("OTEL_EXPORTER_OTLP_ENDPOINT", env.Key);
                 Assert.Equal("http://localhost:18889", env.Value);
@@ -262,7 +267,8 @@ public async Task VerifyManifest(bool disableForwardedHeaders)
               "path": "another-path",
               "env": {
                 "OTEL_DOTNET_EXPERIMENTAL_OTLP_EMIT_EXCEPTION_LOG_ATTRIBUTES": "true",
-                "OTEL_DOTNET_EXPERIMENTAL_OTLP_EMIT_EVENT_LOG_ATTRIBUTES": "true"{{fordwardedHeadersEnvVar}}
+                "OTEL_DOTNET_EXPERIMENTAL_OTLP_EMIT_EVENT_LOG_ATTRIBUTES": "true",
+                "OTEL_DOTNET_EXPERIMENTAL_OTLP_RETRY": "in_memory"{{fordwardedHeadersEnvVar}}
               },
               "bindings": {
                 "http": {

@@ -369,7 +369,8 @@ public async Task VerifyManifestProjectWithHttpEndpointDoesNotAllocatePort()
               "path": "projectpath",
               "env": {
                 "OTEL_DOTNET_EXPERIMENTAL_OTLP_EMIT_EXCEPTION_LOG_ATTRIBUTES": "true",
-                "OTEL_DOTNET_EXPERIMENTAL_OTLP_EMIT_EVENT_LOG_ATTRIBUTES": "true"
+                "OTEL_DOTNET_EXPERIMENTAL_OTLP_EMIT_EVENT_LOG_ATTRIBUTES": "true",
+                "OTEL_DOTNET_EXPERIMENTAL_OTLP_RETRY": "in_memory"
               },
               "bindings": {
                 "hp": {