From 5a9d564405f1c86bc2b25db746a8f114237dc493 Mon Sep 17 00:00:00 2001
From: Cijo Thomas <cithomas@microsoft.com>
Date: Wed, 2 Feb 2022 15:58:39 -0800
Subject: [PATCH] ConsoleExporter to print Activity(Span) Links (#2849)

---
 src/OpenTelemetry.Exporter.Console/CHANGELOG.md          | 1 +
 .../ConsoleActivityExporter.cs                           | 9 +++++++++
 2 files changed, 10 insertions(+)

diff --git a/src/OpenTelemetry.Exporter.Console/CHANGELOG.md b/src/OpenTelemetry.Exporter.Console/CHANGELOG.md
index 343846afe6d..7c45dfebf35 100644
--- a/src/OpenTelemetry.Exporter.Console/CHANGELOG.md
+++ b/src/OpenTelemetry.Exporter.Console/CHANGELOG.md
@@ -3,6 +3,7 @@
 ## Unreleased
 
 Fix MetricExporter to respect Console and Debug flags.
+Added `Activity.Links` support to `ConsoleActivityExporter`.
 
 ## 1.2.0-rc1
 
diff --git a/src/OpenTelemetry.Exporter.Console/ConsoleActivityExporter.cs b/src/OpenTelemetry.Exporter.Console/ConsoleActivityExporter.cs
index e52497ba6a5..d24317b1f16 100644
--- a/src/OpenTelemetry.Exporter.Console/ConsoleActivityExporter.cs
+++ b/src/OpenTelemetry.Exporter.Console/ConsoleActivityExporter.cs
@@ -73,6 +73,15 @@ public override ExportResult Export(in Batch<Activity> batch)
                     }
                 }
 
+                if (activity.Links.Any())
+                {
+                    this.WriteLine("Activity.Links:");
+                    foreach (var activityLink in activity.Links)
+                    {
+                        this.WriteLine($"    {activityLink.Context.TraceId} {activityLink.Context.SpanId}");
+                    }
+                }
+
                 var resource = this.ParentProvider.GetResource();
                 if (resource != Resource.Empty)
                 {