Update location ip mapping

sdk/monitor/Azure.Monitor.OpenTelemetry.Exporter/CHANGELOG.md

@@ -6,6 +6,10 @@
 
 ### Breaking Changes
 
+* Location ip on server spans will now be set using `client.address` tag key on
+  activity instead of `http.client_ip`.
+  ([#37707](https://github.com/Azure/azure-sdk-for-net/pull/37707))
+
 ### Bugs Fixed
 
 ### Other Changes

sdk/monitor/Azure.Monitor.OpenTelemetry.Exporter/src/Customizations/Models/TelemetryItem.cs

@@ -41,7 +41,7 @@ public TelemetryItem(Activity activity, ref ActivityTagsProcessor activityTagsPr
                 // Set ip in case of server spans only.
                 if (activity.Kind == ActivityKind.Server)
                 {
-                    var locationIp = TraceHelper.GetLocationIp(ref activityTagsProcessor.MappedTags);
+                    var locationIp = AzMonList.GetTagValue(ref activityTagsProcessor.MappedTags, SemanticConventions.AttributeClientAddress)?.ToString();
                     if (locationIp != null)
                     {
                         Tags[ContextTagKeys.AiLocationIp.ToString()] = locationIp;

sdk/monitor/Azure.Monitor.OpenTelemetry.Exporter/src/Internals/ActivityTagsProcessor.cs

@@ -37,6 +37,7 @@ internal struct ActivityTagsProcessor
             SemanticConventions.AttributeUrlScheme,
             SemanticConventions.AttributeUrlQuery,
             SemanticConventions.AttributeUserAgentOriginal,
+            SemanticConventions.AttributeClientAddress,
 
             // required - Azure
             SemanticConventions.AttributeAzureNameSpace,

sdk/monitor/Azure.Monitor.OpenTelemetry.Exporter/src/Internals/SemanticConventions.cs

@@ -152,6 +152,7 @@ internal static class SemanticConventions
         public const string AttributeExceptionStacktrace = "exception.stacktrace";
 
         // Http v1.21.0 https://github.com/open-telemetry/opentelemetry-specification/blob/v1.21.0/specification/trace/semantic_conventions/http.md
+        public const string AttributeClientAddress = "client.address"; // replaces: "http.client_ip" (AttributeHttpClientIp)
         public const string AttributeHttpRequestMethod = "http.request.method"; // replaces: "http.method" (AttributeHttpMethod)
         public const string AttributeHttpResponseStatusCode = "http.response.status_code"; // replaces: "http.status_code" (AttributeHttpStatusCode)
         public const string AttributeNetworkProtocolVersion = "network.protocol.version"; // replaces: "http.flavor" (AttributeHttpFlavor)

sdk/monitor/Azure.Monitor.OpenTelemetry.Exporter/src/Internals/TraceHelper.cs

@@ -138,17 +138,6 @@ internal static ActivityTagsProcessor EnumerateActivityTags(Activity activity)
             return activityTagsProcessor;
         }
 
-        internal static string? GetLocationIp(ref AzMonList MappedTags)
-        {
-            var httpClientIp = AzMonList.GetTagValue(ref MappedTags, SemanticConventions.AttributeHttpClientIP)?.ToString();
-            if (!string.IsNullOrWhiteSpace(httpClientIp))
-            {
-                return httpClientIp;
-            }
-
-            return AzMonList.GetTagValue(ref MappedTags, SemanticConventions.AttributeNetPeerIp)?.ToString();
-        }
-
         internal static string GetOperationName(Activity activity, ref AzMonList MappedTags)
         {
             var httpMethod = AzMonList.GetTagValue(ref MappedTags, SemanticConventions.AttributeHttpMethod)?.ToString();

sdk/monitor/Azure.Monitor.OpenTelemetry.Exporter/tests/Azure.Monitor.OpenTelemetry.Exporter.Tests/TelemetryItemTests.cs

@@ -204,28 +204,7 @@ public void AiLocationIpIsSetAsHttpClientIpForHttpServerSpans()
                 startTime: DateTime.UtcNow);
 
             Assert.NotNull(activity);
-            activity.SetTag(SemanticConventions.AttributeHttpClientIP, "127.0.0.1");
-            activity.SetTag(SemanticConventions.AttributeHttpRequestMethod, "GET");
-
-            var activityTagsProcessor = TraceHelper.EnumerateActivityTags(activity);
-            var telemetryItems = TraceHelper.OtelToAzureMonitorTrace(new Batch<Activity>(new Activity[] { activity }, 1), null, "instrumentationKey");
-            var telemetryItem = telemetryItems.FirstOrDefault();
-
-            Assert.Equal("127.0.0.1", telemetryItem?.Tags[ContextTagKeys.AiLocationIp.ToString()]);
-        }
-
-        [Fact]
-        public void AiLocationIpIsSetAsNetPeerIpForServerSpans()
-        {
-            using ActivitySource activitySource = new ActivitySource(ActivitySourceName);
-            using var activity = activitySource.StartActivity(
-                ActivityName,
-                ActivityKind.Server,
-                null,
-                startTime: DateTime.UtcNow);
-
-            Assert.NotNull(activity);
-            activity.SetTag(SemanticConventions.AttributeNetPeerIp, "127.0.0.1");
+            activity.SetTag(SemanticConventions.AttributeClientAddress, "127.0.0.1");
             activity.SetTag(SemanticConventions.AttributeHttpRequestMethod, "GET");
 
             var activityTagsProcessor = TraceHelper.EnumerateActivityTags(activity);