Fix schema_url comments to include scope field coverage (#727)

The schema_url field applies to both the instrumentation scope and the
telemetry data fields, not just the telemetry data. Updated comments
in all four signal proto files (logs, trace, metrics, profiles) to
accurately reflect this.

Co-authored-by: Liudmila Molkova <[email protected]>

Author: Gandem

opentelemetry/proto/logs/v1/logs.proto

@@ -78,7 +78,8 @@ message ScopeLogs {
   // is recorded in. Notably, the last part of the URL path is the version number of the
   // schema: http[s]://server[:port]/path/<version>. To learn more about Schema URL see
   // https://opentelemetry.io/docs/specs/otel/schemas/#schema-url
-  // This schema_url applies to all logs in the "logs" field.
+  // This schema_url applies to the data in the "scope" field and all logs in the
+  // "log_records" field.
   string schema_url = 3;
 }
 

opentelemetry/proto/metrics/v1/metrics.proto

@@ -96,7 +96,8 @@ message ScopeMetrics {
   // is recorded in. Notably, the last part of the URL path is the version number of the
   // schema: http[s]://server[:port]/path/<version>. To learn more about Schema URL see
   // https://opentelemetry.io/docs/specs/otel/schemas/#schema-url
-  // This schema_url applies to all metrics in the "metrics" field.
+  // This schema_url applies to the data in the "scope" field and all metrics in the
+  // "metrics" field.
   string schema_url = 3;
 }
 

opentelemetry/proto/profiles/v1development/profiles.proto

@@ -219,7 +219,8 @@ message ScopeProfiles {
   // is recorded in. Notably, the last part of the URL path is the version number of the
   // schema: http[s]://server[:port]/path/<version>. To learn more about Schema URL see
   // https://opentelemetry.io/docs/specs/otel/schemas/#schema-url
-  // This schema_url applies to all profiles in the "profiles" field.
+  // This schema_url applies to the data in the "scope" field and all profiles in the
+  // "profiles" field.
   string schema_url = 3;
 }
 

opentelemetry/proto/trace/v1/trace.proto

@@ -78,7 +78,8 @@ message ScopeSpans {
   // is recorded in. Notably, the last part of the URL path is the version number of the
   // schema: http[s]://server[:port]/path/<version>. To learn more about Schema URL see
   // https://opentelemetry.io/docs/specs/otel/schemas/#schema-url
-  // This schema_url applies to all spans and span events in the "spans" field.
+  // This schema_url applies to the data in the "scope" field and all spans and span
+  // events in the "spans" field.
   string schema_url = 3;
 }