From 792c3cf05a5210e80a86b39eba97384011d8e967 Mon Sep 17 00:00:00 2001
From: Florian Lehner <florian.lehner@elastic.co>
Date: Mon, 11 Nov 2024 09:48:42 +0100
Subject: [PATCH] fixup: add OTel requirement level

Signed-off-by: Florian Lehner <florian.lehner@elastic.co>
---
 reporter/otlp_reporter.go | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/reporter/otlp_reporter.go b/reporter/otlp_reporter.go
index d742202c..2f4030c9 100644
--- a/reporter/otlp_reporter.go
+++ b/reporter/otlp_reporter.go
@@ -86,8 +86,10 @@ type traceEvents struct {
 
 // attrKeyValue is a helper to populate Profile.attribute_table.
 type attrKeyValue[T string | int64] struct {
-	key   string
-	value T
+	key string
+	// Set to true for OTel SemConv attributes with RequirementL: Required
+	required bool
+	value    T
 }
 
 // OTLPReporter receives and transforms information to be OTLP/profiles compliant.
@@ -753,7 +755,7 @@ func addProfileAttributes[T string | int64](profile *profiles.Profile,
 
 		switch val := any(attr.value).(type) {
 		case string:
-			if val == "" {
+			if !attr.required && val == "" {
 				return
 			}
 			attributeCompositeKey = attr.key + "_" + val