Accept scope attributes during Meter creation

CHANGELOG.md

@@ -30,6 +30,7 @@ This project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.htm
     - `OtelLibraryName` -> `OTelLibraryName`
     - `OtelLibraryVersion` -> `OTelLibraryVersion`
     - `OtelStatusDescription` -> `OTelStatusDescription`
+- The `WithInstrumentationAttributes` option to `go.opentelemetry.io/otel/metric`. (#3738)
 
 ### Changed
 

metric/config.go

@@ -14,17 +14,30 @@
 
 package metric // import "go.opentelemetry.io/otel/metric"
 
+import "go.opentelemetry.io/otel/attribute"
+
 // MeterConfig contains options for Meters.
 type MeterConfig struct {
 	instrumentationVersion string
 	schemaURL              string
+	attrs                  attribute.Set
+
+	// Ensure forward compatibility by explicitly making this not comparable.
+	noCmp [0]func() //nolint: unused  // This is indeed used.
 }
 
-// InstrumentationVersion is the version of the library providing instrumentation.
+// InstrumentationVersion returns the version of the library providing
+// instrumentation.
 func (cfg MeterConfig) InstrumentationVersion() string {
 	return cfg.instrumentationVersion
 }
 
+// InstrumentationAttributes returns the attributes associated with the library
+// providing instrumentation.
+func (cfg MeterConfig) InstrumentationAttributes() []attribute.KeyValue {
+	return cfg.attrs.ToSlice()
+}
+
 // SchemaURL is the schema_url of the library providing instrumentation.
 func (cfg MeterConfig) SchemaURL() string {
 	return cfg.schemaURL
@@ -60,6 +73,16 @@ func WithInstrumentationVersion(version string) MeterOption {
 	})
 }
 
+// WithInstrumentationAttributes sets the instrumentation attributes.
+//
+// The passed attributes will be de-duplicated.
+func WithInstrumentationAttributes(attr ...attribute.KeyValue) MeterOption {
+	return meterOptionFunc(func(config MeterConfig) MeterConfig {
+		config.attrs = attribute.NewSet(attr...)
+		return config
+	})
+}
+
 // WithSchemaURL sets the schema URL.
 func WithSchemaURL(schemaURL string) MeterOption {
 	return meterOptionFunc(func(config MeterConfig) MeterConfig {