Add otel.scope.schema_url to non-OTLP exporters (#2489)

Author: pellared

.chloggen/2489.yaml

@@ -0,0 +1,17 @@
+# Use this changelog template to create an entry for release notes.
+#
+# If your change doesn't affect end users you should instead start
+# your pull request title with [chore] or use the "Skip Changelog" label.
+
+# One of 'breaking', 'deprecation', 'new_component', 'enhancement', 'bug_fix'
+change_type: enhancement
+
+# The name of the area of concern in the attributes-registry, (e.g. http, cloud, db)
+component: otel
+
+# A brief description of the change. Surround your text with quotes ("") if it needs to start with a backtick (`).
+note: "Add `otel.scope.schema_url` attribute to non-OTLP exporters that represents an instrumentation scope schema URL."
+
+# Mandatory: One or more tracking issues related to the change. You can use the PR number here if no issue exists.
+# The values here must be integers.
+issues: [2320, 2489]

docs/registry/attributes/otel.md

@@ -104,6 +104,7 @@ Attributes used by non-OTLP exporters to represent OpenTelemetry Scope's concept
 | Attribute | Type | Description | Examples | Stability |
 |---|---|---|---|---|
 | <a id="otel-scope-name" href="#otel-scope-name">`otel.scope.name`</a> | string | The name of the instrumentation scope - (`InstrumentationScope.Name` in OTLP). | `io.opentelemetry.contrib.mongodb` | ![Stable](https://img.shields.io/badge/-stable-lightgreen) |
+| <a id="otel-scope-schema-url" href="#otel-scope-schema-url">`otel.scope.schema_url`</a> | string | The schema URL of the instrumentation scope. | `https://opentelemetry.io/schemas/1.31.0` | ![Development](https://img.shields.io/badge/-development-blue) |
 | <a id="otel-scope-version" href="#otel-scope-version">`otel.scope.version`</a> | string | The version of the instrumentation scope - (`InstrumentationScope.Version` in OTLP). | `1.0.0` | ![Stable](https://img.shields.io/badge/-stable-lightgreen) |
 
 ## Deprecated OTel Library Attributes

model/otel/registry.yaml

@@ -71,6 +71,11 @@ groups:
         brief: The version of the instrumentation scope - (`InstrumentationScope.Version` in OTLP).
         examples: ['1.0.0']
         stability: stable
+      - id: otel.scope.schema_url
+        type: string
+        brief: The schema URL of the instrumentation scope.
+        examples: ['https://opentelemetry.io/schemas/1.31.0']
+        stability: development
   - id: registry.otel.component
     type: attribute_group
     display_name: OTel Component Attributes