use a map instead of a single stability level

component/component.go

@@ -111,7 +111,7 @@ const (
 type StabilityLevel int
 
 const (
-	_ StabilityLevel = iota // skip 0, start types from 1.
+	StabilityLevelUndefined = iota // skip 0, start types from 1.
 	StabilityLevelUnmaintained
 	StabilityLevelDeprecated
 	StabilityLevelInDevelopment
@@ -146,12 +146,15 @@ type Factory interface {
 	// Type gets the type of the component created by this factory.
 	Type() config.Type
 
+	// StabilityLevel gets the stability level of the component.
+	StabilityLevel(config.Type) StabilityLevel
+
 	unexportedFactoryFunc()
 }
 
 type baseFactory struct {
 	cfgType   config.Type
-	stability StabilityLevel
+	stability map[config.Type]StabilityLevel
 }
 
 func (baseFactory) unexportedFactoryFunc() {}
@@ -160,6 +163,9 @@ func (bf baseFactory) Type() config.Type {
 	return bf.cfgType
 }
 
-func (bf baseFactory) StabilityLevel() StabilityLevel {
-	return bf.stability
+func (bf baseFactory) StabilityLevel(cfgType config.Type) StabilityLevel {
+	if val, ok := bf.stability[cfgType]; ok {
+		return val
+	}
+	return StabilityLevelUndefined
 }

component/componenttest/nop_exporter.go

@@ -46,7 +46,12 @@ func NewNopExporterFactory() component.ExporterFactory {
 		component.WithTracesExporter(createTracesExporter),
 		component.WithMetricsExporter(createMetricsExporter),
 		component.WithLogsExporter(createLogsExporter),
-		component.WithExporterStabilityLevel(component.StabilityLevelInDevelopment))
+		component.WithExporterStabilityLevel(map[config.Type]component.StabilityLevel{
+			config.LogsDataType:    component.StabilityLevelInDevelopment,
+			config.TracesDataType:  component.StabilityLevelInDevelopment,
+			config.MetricsDataType: component.StabilityLevelInDevelopment,
+		}),
+	)
 }
 
 func createTracesExporter(context.Context, component.ExporterCreateSettings, config.Exporter) (component.TracesExporter, error) {

component/exporter.go

@@ -170,7 +170,7 @@ func WithLogsExporter(createLogsExporter CreateLogsExporterFunc) ExporterFactory
 }
 
 // WithExporterStabiityLevel overrides the default "unmaintained" stability level.
-func WithExporterStabilityLevel(sl StabilityLevel) ExporterFactoryOption {
+func WithExporterStabilityLevel(sl map[config.Type]StabilityLevel) ExporterFactoryOption {
 	return func(o *exporterFactory) {
 		o.stability = sl
 	}

exporter/loggingexporter/factory.go

@@ -27,7 +27,6 @@ import (
 const (
 	// The value of "type" key in configuration.
 	typeStr                   = "logging"
-	stability                 = component.StabilityLevelInDevelopment
 	defaultSamplingInitial    = 2
 	defaultSamplingThereafter = 500
 )
@@ -40,7 +39,11 @@ func NewFactory() component.ExporterFactory {
 		component.WithTracesExporter(createTracesExporter),
 		component.WithMetricsExporter(createMetricsExporter),
 		component.WithLogsExporter(createLogsExporter),
-		component.WithExporterStabilityLevel(stability))
+		component.WithExporterStabilityLevel(map[config.Type]component.StabilityLevel{
+			config.LogsDataType:    component.StabilityLevelInDevelopment,
+			config.TracesDataType:  component.StabilityLevelInDevelopment,
+			config.MetricsDataType: component.StabilityLevelInDevelopment,
+		}))
 }
 
 func createDefaultConfig() config.Exporter {

exporter/otlpexporter/factory.go

@@ -39,7 +39,11 @@ func NewFactory() component.ExporterFactory {
 		component.WithTracesExporter(createTracesExporter),
 		component.WithMetricsExporter(createMetricsExporter),
 		component.WithLogsExporter(createLogsExporter),
-		component.WithExporterStabilityLevel(stability))
+		component.WithExporterStabilityLevel(map[config.Type]component.StabilityLevel{
+			config.LogsDataType:    component.StabilityLevelBeta,
+			config.TracesDataType:  component.StabilityLevelStable,
+			config.MetricsDataType: component.StabilityLevelStable,
+		}))
 }
 
 func createDefaultConfig() config.Exporter {

exporter/otlphttpexporter/factory.go

@@ -42,7 +42,11 @@ func NewFactory() component.ExporterFactory {
 		component.WithTracesExporter(createTracesExporter),
 		component.WithMetricsExporter(createMetricsExporter),
 		component.WithLogsExporter(createLogsExporter),
-		component.WithExporterStabilityLevel(stability))
+		component.WithExporterStabilityLevel(map[config.Type]component.StabilityLevel{
+			config.LogsDataType:    component.StabilityLevelBeta,
+			config.TracesDataType:  component.StabilityLevelStable,
+			config.MetricsDataType: component.StabilityLevelStable,
+		}))
 }
 
 func createDefaultConfig() config.Exporter {

internal/testcomponents/example_exporter.go

@@ -42,7 +42,11 @@ var ExampleExporterFactory = component.NewExporterFactory(
 	component.WithTracesExporter(createTracesExporter),
 	component.WithMetricsExporter(createMetricsExporter),
 	component.WithLogsExporter(createLogsExporter),
-	component.WithExporterStabilityLevel(stability))
+	component.WithExporterStabilityLevel(map[config.Type]component.StabilityLevel{
+		config.LogsDataType:    component.StabilityLevelInDevelopment,
+		config.TracesDataType:  component.StabilityLevelInDevelopment,
+		config.MetricsDataType: component.StabilityLevelInDevelopment,
+	}))
 
 func createExporterDefaultConfig() config.Exporter {
 	return &ExampleExporterConfig{

service/internal/components/constants.go

@@ -23,4 +23,5 @@ const (
 	ZapKindPipeline  = "pipeline"
 	ZapNameKey       = "name"
 	ZapDataTypeKey   = "data_type"
+	ZapStabilityKey  = "stability"
 )

service/internal/pipelines/pipelines.go

@@ -67,7 +67,7 @@ type Pipelines struct {
 
 // StartAll starts all pipelines.
 //
-// Start with exporters, processors (in revers configured order), then receivers.
+// Start with exporters, processors (in reverse configured order), then receivers.
 // This is important so that components that are earlier in the pipeline and reference components that are
 // later in the pipeline do not start sending data to later components which are not yet started.
 func (bps *Pipelines) StartAll(ctx context.Context, host component.Host) error {
@@ -304,6 +304,23 @@ func Build(ctx context.Context, settings component.TelemetrySettings, buildInfo
 	return exps, nil
 }
 
+func logStabilityMessage(logger *zap.Logger, sl component.StabilityLevel) {
+	switch sl {
+	case component.StabilityLevelDeprecated:
+		logger.Info("Component has been deprecated and will be removed in future releases.", zap.String(components.ZapStabilityKey, sl.String()))
+	case component.StabilityLevelUnmaintained:
+		logger.Info("Component is unmaintained and actively looking for contributors.", zap.String(components.ZapStabilityKey, sl.String()))
+	case component.StabilityLevelInDevelopment:
+		logger.Info("Component is under development.", zap.String(components.ZapStabilityKey, sl.String()))
+	case component.StabilityLevelAlpha:
+	case component.StabilityLevelBeta:
+	case component.StabilityLevelStable:
+		logger.Debug("Stability level", zap.String(components.ZapStabilityKey, sl.String()))
+	default:
+		logger.Info("Stability level of component undefined", zap.String(components.ZapStabilityKey, sl.String()))
+	}
+}
+
 func buildExporter(
 	ctx context.Context,
 	settings component.TelemetrySettings,
@@ -328,6 +345,7 @@ func buildExporter(
 		BuildInfo:         buildInfo,
 	}
 	set.TelemetrySettings.Logger = exporterLogger(settings.Logger, id, pipelineID.Type())
+	logStabilityMessage(set.TelemetrySettings.Logger, factory.StabilityLevel(pipelineID.Type()))
 
 	exp, err := createExporter(ctx, set, cfg, id, pipelineID, factory)
 	if err != nil {