Doc updates (grafana#109)

README.md

@@ -11,7 +11,7 @@
 [![Build](https://github.com/grafana/grafana-opentelemetry-dotnet/actions/workflows/unit-tests.yml/badge.svg?branch=main)](https://github.com/grafana/grafana-opentelemetry-dotnet/actions/workflows/unit-tests.yml)
 [![OATS](https://github.com/grafana/grafana-opentelemetry-dotnet/actions/workflows/oats.yml/badge.svg?branch=main)](https://github.com/grafana/grafana-opentelemetry-dotnet/actions/workflows/oats.yml)
 [![Nuget](https://img.shields.io/nuget/v/Grafana.OpenTelemetry.svg)](https://www.nuget.org/profiles/Grafana)
-[![SDK](https://img.shields.io/badge/otel--sdk-1.7.0-blue?style=flat&logo=opentelemetry)](https://github.com/open-telemetry/opentelemetry-dotnet)
+[![SDK](https://img.shields.io/badge/otel--sdk-1.9.0-blue?style=flat&logo=opentelemetry)](https://github.com/open-telemetry/opentelemetry-dotnet)
 [![Slack](https://img.shields.io/badge/join%20slack-%23app--o11y-brightgreen.svg?logo=slack)](https://grafana.slack.com/archives/C05E87XRK3J)
 <!-- markdown-link-check-enable -->
 
@@ -21,7 +21,7 @@ This is a pre-configured and pre-packaged bundle of [OpenTelemetry .NET componen
 optimized for [Grafana Cloud Application Observability](https://grafana.com/docs/grafana-cloud/monitor-applications/application-observability/).
 
 It requires only minimal setup and configuration and makes it very easy to emit
-OpenTelemetry traces, logs, and metrics from your .NET application.
+OpenTelemetry metrics, logs, and traces from your .NET application.
 
 ## Getting Started
 
@@ -39,7 +39,7 @@ dotnet add package --prerelease Grafana.OpenTelemetry
 
 The `UseGrafana` extension method on the `TracerProviderBuilder` or the
 `MetricProviderBuilder` can be used to set up the Grafana distribution. By
-default, telemetry data will be sent to a Grafana agent or an OTel collector
+default, telemetry data will be sent to Grafana Alloy or an OTel collector
 that runs locally and listens to default OTLP ports.
 
 ```csharp
@@ -71,6 +71,7 @@ documents:
 * [Installation](./docs/installation.md)
 * [Configuration](./docs/configuration.md)
 * [Supported instrumentations](./docs/supported-instrumentations.md)
+* [Migrating to upstream](./docs/migration.md)
 
 ## Troubleshooting
 

docs/migration.md

@@ -5,8 +5,8 @@ installing and configuring upstream OpenTelemetry .NET packages. Follow these
 steps if you want to migrate from this distribution to the upstream
 OpenTelemetry .NET project.
 
-- Replace all environment variables or web.config/app.config values with the
-"grafana" prefix as explained [here](https://grafana.com/docs/grafana-cloud/send-data/otlp/send-data-otlp/#push-directly-from-applications-using-the-opentelemetry-sdks)
+- Set appropriate environment variables or web.config/app.config values as
+explained [here](https://grafana.com/docs/grafana-cloud/send-data/otlp/send-data-otlp/#push-directly-from-applications-using-the-opentelemetry-sdks)
 - Install and activate the OpenTelemetry SDK,
 as covered in the upstream [Getting Started](https://github.com/open-telemetry/opentelemetry-dotnet#getting-started)
 guide
@@ -18,9 +18,7 @@ for details. The exporter will respect the previously set environment variables:
   - `OTEL_EXPORTER_OTLP_HEADERS`
 - Install and configure any desired instrumentation packages
 [listed here](./supported-instrumentations.md)
-- Add `OTEL_SEMCONV_STABILITY_OPT_IN` environment variable to opt-in to the
-latest HTTP semantic conventions
-- [Add the recommended OpenTelemetry resource attributes](https://grafana.com/docs/opentelemetry/instrumentation/configuration/resource-attributes/)
+- [Add the OpenTelemetry resource attributes](https://grafana.com/docs/opentelemetry/instrumentation/configuration/resource-attributes/)
 via the `OTEL_RESOURCE_ATTRIBUTES` environment variable
   - `service.name`
   - `service.namespace`
@@ -29,6 +27,5 @@ via the `OTEL_RESOURCE_ATTRIBUTES` environment variable
   - `deployment.environment`
 
 ```shell
-export OTEL_SEMCONV_STABILITY_OPT_IN=http
 export OTEL_RESOURCE_ATTRIBUTES=service.instance.id=<pod123>,deployment.environment=...
 ```

src/Grafana.OpenTelemetry.Base/ExporterSettings/AgentOtlpExporter.cs

@@ -12,12 +12,12 @@
 namespace Grafana.OpenTelemetry
 {
     /// <summary>
-    /// Settings for exporting telemetry to a Grafana Agent or collector.
+    /// Settings for exporting telemetry to a Grafana Alloy or collector.
     /// </summary>
     public class AgentOtlpExporter : ExporterSettings
     {
         /// <summary>
-        /// Gets or sets the address of the Grafana Agent or collector. If not set, the OpenTelemetry
+        /// Gets or sets the address of the Grafana Alloy or collector. If not set, the OpenTelemetry
         /// default is used (`http://localhost:4817` for http/protobuf, and `http://localhost:4818`
         /// for grpc).
         /// </summary>

src/Grafana.OpenTelemetry.Base/ExporterSettings/CloudOtlpExporter.cs

@@ -13,7 +13,7 @@
 namespace Grafana.OpenTelemetry
 {
     /// <summary>
-    /// Settings for exporting telemetry directly to Grafana Agent via OTLP.
+    /// Settings for exporting telemetry directly to Grafana Alloy via OTLP.
     /// </summary>
     [Obsolete("This class is obsolete. Use OtlpExporter instead.")]
     public class CloudOtlpExporter : ExporterSettings