Revert public API changes in #10931, preserve logic (#11415)

This PR removes APIs that expose `configtelemetry.Level`. Internal
functionality still uses the Level, but will be soon changed to use the
new Instrument.Enabled.

Signed-off-by: Bogdan Drutu <bogdandrutu@gmail.com>

.chloggen/revert-10931.yaml

@@ -0,0 +1,25 @@
+# Use this changelog template to create an entry for release notes.
+
+# One of 'breaking', 'deprecation', 'new_component', 'enhancement', 'bug_fix'
+change_type: deprecation
+
+# The name of the component, or a single word describing the area of concern, (e.g. otlpreceiver)
+component: component
+
+# A brief description of the change.  Surround your text with quotes ("") if it needs to start with a backtick (`).
+note: Deprecate `TelemetrySettings.LeveledMeterProvider` and undo deprecation of `TelemetrySettings.MeterProvider`
+
+# One or more tracking issues or pull requests related to the change
+issues: [11061]
+
+# (Optional) One or more lines of additional information to render under the primary note.
+# These lines will be padded with 2 spaces and then inserted directly into the document.
+# Use pipe (|) for multiline entries.
+subtext:
+
+# Optional: The change log or logs in which this entry should be included.
+# e.g. '[user]' or '[user, api]'
+# Include 'user' if the change is relevant to end users.
+# Include 'api' if there is a change to a library API.
+# Default: '[user]'
+change_logs: [api]

cmd/mdatagen/internal/command_test.go

@@ -604,11 +604,11 @@ import (
 	"go.opentelemetry.io/collector/config/configtelemetry"
 )
 
-// Deprecated: [v0.108.0] use LeveledMeter instead.
 func Meter(settings component.TelemetrySettings) metric.Meter {
 	return settings.MeterProvider.Meter("")
 }
 
+// Deprecated: [v0.114.0] use Meter instead.
 func LeveledMeter(settings component.TelemetrySettings, level configtelemetry.Level) metric.Meter {
 	return settings.LeveledMeterProvider(level).Meter("")
 }
@@ -642,11 +642,11 @@ import (
 	"go.opentelemetry.io/collector/config/configtelemetry"
 )
 
-// Deprecated: [v0.108.0] use LeveledMeter instead.
 func Meter(settings component.TelemetrySettings) metric.Meter {
 	return settings.MeterProvider.Meter("")
 }
 
+// Deprecated: [v0.114.0] use Meter instead.
 func LeveledMeter(settings component.TelemetrySettings, level configtelemetry.Level) metric.Meter {
 	return settings.LeveledMeterProvider(level).Meter("")
 }

cmd/mdatagen/internal/templates/component_telemetry_test.go.tmpl

@@ -31,15 +31,16 @@ type componentTestTelemetry struct {
 {{- if or isConnector isExporter isExtension isProcessor isReceiver }}
 func (tt *componentTestTelemetry) NewSettings() {{ .Status.Class }}.Settings {
 	set := {{ .Status.Class }}test.NewNopSettings()
-	set.TelemetrySettings = tt.newTelemetrySettings()
 	set.ID = component.NewID(component.MustNewType("{{ .Type }}"))
+	set.TelemetrySettings = tt.newTelemetrySettings()
 	return set
 }
 {{- end }}
 
 func (tt *componentTestTelemetry) newTelemetrySettings() component.TelemetrySettings {
 	set := componenttest.NewNopTelemetrySettings()
 	set.MeterProvider = tt.meterProvider
+	set.MetricsLevel = configtelemetry.LevelDetailed
 	set.LeveledMeterProvider = func(_ configtelemetry.Level) metric.MeterProvider {
 		return tt.meterProvider
 	}

cmd/mdatagen/internal/templates/telemetry.go.tmpl

@@ -20,11 +20,11 @@ import (
     "go.opentelemetry.io/collector/config/configtelemetry"
 )
 
-// Deprecated: [v0.108.0] use LeveledMeter instead.
 func Meter(settings component.TelemetrySettings) metric.Meter {
 	return settings.MeterProvider.Meter("{{ .ScopeName }}")
 }
 
+// Deprecated: [v0.114.0] use Meter instead.
 func LeveledMeter(settings component.TelemetrySettings, level configtelemetry.Level) metric.Meter {
 	return settings.LeveledMeterProvider(level).Meter("{{ .ScopeName }}")
 }
@@ -44,7 +44,6 @@ type TelemetryBuilder struct {
     observe{{ $name.Render }} func(context.Context, metric.Observer) error
     {{- end }}
 	{{- end }}
-    meters map[configtelemetry.Level]metric.Meter
 }
 
 // TelemetryBuilderOption applies changes to default builder.
@@ -64,7 +63,7 @@ func (tbof telemetryBuilderOptionFunc) apply(mb *TelemetryBuilder) {
 // Init{{ $name.Render }} configures the {{ $name.Render }} metric.
 func (builder *TelemetryBuilder) Init{{ $name.Render }}({{ if $metric.Data.Async -}}cb func() {{ $metric.Data.BasicType }}{{- end }}, opts ...metric.ObserveOption) error {
     var err error
-    builder.{{ $name.Render }}, err = builder.meters[configtelemetry.Level{{ casesTitle $metric.Level.String }}].{{ $metric.Data.Instrument }}(
+    builder.{{ $name.Render }}, err = builder.meter.{{ $metric.Data.Instrument }}(
         "otelcol_{{ $name }}",
         metric.WithDescription("{{ $metric.Description }}"),
         metric.WithUnit("{{ $metric.Unit }}"),
@@ -76,7 +75,7 @@ func (builder *TelemetryBuilder) Init{{ $name.Render }}({{ if $metric.Data.Async
     if err != nil {
         return err
     }
-    _, err = builder.meters[configtelemetry.Level{{ casesTitle $metric.Level.String }}].RegisterCallback(func(_ context.Context, o metric.Observer) error {
+    _, err = builder.meter.RegisterCallback(func(_ context.Context, o metric.Observer) error {
         o.Observe{{ casesTitle $metric.Data.BasicType }}(builder.{{ $name.Render }}, cb(), opts...)
         return nil
     }, builder.{{ $name.Render }})
@@ -103,18 +102,16 @@ func With{{ $name.Render }}Callback(cb func() {{ $metric.Data.BasicType }}, opts
 // NewTelemetryBuilder provides a struct with methods to update all internal telemetry
 // for a component
 func NewTelemetryBuilder(settings component.TelemetrySettings, options ...TelemetryBuilderOption) (*TelemetryBuilder, error) {
-    builder := TelemetryBuilder{meters: map[configtelemetry.Level]metric.Meter{}}
+    builder := TelemetryBuilder{}
 	for _, op := range options {
 		op.apply(&builder)
 	}
-    {{- range $level, $val := .Telemetry.Levels }}
-    builder.meters[configtelemetry.Level{{ casesTitle $level }}] = LeveledMeter(settings, configtelemetry.Level{{ casesTitle $level }})
-    {{- end }}
+    builder.meter = Meter(settings)
     var err, errs error
 
     {{- range $name, $metric := .Telemetry.Metrics }}
     {{- if not $metric.Optional }}
-    builder.{{ $name.Render }}, err = builder.meters[configtelemetry.Level{{ casesTitle $metric.Level.String }}].{{ $metric.Data.Instrument }}(
+    builder.{{ $name.Render }}, err = getLeveledMeter(builder.meter, configtelemetry.Level{{ $metric.Level }}, settings.MetricsLevel).{{ $metric.Data.Instrument }}(
         "otelcol_{{ $name }}",
         metric.WithDescription("{{ $metric.Description }}{{ $metric.Stability }}"),
         metric.WithUnit("{{ $metric.Unit }}"),
@@ -124,12 +121,19 @@ func NewTelemetryBuilder(settings component.TelemetrySettings, options ...Teleme
     )
     errs = errors.Join(errs, err)
     {{- if $metric.Data.Async }}
-    _, err = builder.meters[configtelemetry.Level{{ casesTitle $metric.Level.String }}].RegisterCallback(builder.observe{{ $name.Render }}, builder.{{ $name.Render }})
+    _, err = getLeveledMeter(builder.meter, configtelemetry.Level{{ $metric.Level }}, settings.MetricsLevel).RegisterCallback(builder.observe{{ $name.Render }}, builder.{{ $name.Render }})
     errs = errors.Join(errs, err)
     {{- end }}
     {{- end }}
     {{- end }}
     return &builder, errs
 }
 
+func getLeveledMeter(meter metric.Meter, cfgLevel, srvLevel configtelemetry.Level) metric.Meter {
+	if cfgLevel <= srvLevel {
+		return meter
+	}
+	return noop.Meter{}
+}
+
 {{- end }}

component/componenttest/obsreporttest.go

@@ -5,17 +5,19 @@ package componenttest // import "go.opentelemetry.io/collector/component/compone
 
 import (
 	"context"
+	"errors"
 
 	"go.opentelemetry.io/otel/attribute"
 	"go.opentelemetry.io/otel/metric"
 	sdkmetric "go.opentelemetry.io/otel/sdk/metric"
 	"go.opentelemetry.io/otel/sdk/resource"
 	sdktrace "go.opentelemetry.io/otel/sdk/trace"
 	"go.opentelemetry.io/otel/sdk/trace/tracetest"
-	"go.uber.org/multierr"
+	"go.uber.org/zap"
 
 	"go.opentelemetry.io/collector/component"
 	"go.opentelemetry.io/collector/config/configtelemetry"
+	"go.opentelemetry.io/collector/pdata/pcommon"
 )
 
 const (
@@ -32,12 +34,10 @@ const (
 )
 
 type TestTelemetry struct {
-	ts           component.TelemetrySettings
 	id           component.ID
+	ts           component.TelemetrySettings
 	SpanRecorder *tracetest.SpanRecorder
-
-	reader        *sdkmetric.ManualReader
-	meterProvider *sdkmetric.MeterProvider
+	reader       *sdkmetric.ManualReader
 }
 
 // CheckExporterTraces checks that for the current exported values for trace exporter metrics match given values.
@@ -101,12 +101,9 @@ func (tts *TestTelemetry) CheckScraperMetrics(receiver component.ID, scraper com
 
 // Shutdown unregisters any views and shuts down the SpanRecorder
 func (tts *TestTelemetry) Shutdown(ctx context.Context) error {
-	var errs error
-	errs = multierr.Append(errs, tts.SpanRecorder.Shutdown(ctx))
-	if tts.meterProvider != nil {
-		errs = multierr.Append(errs, tts.meterProvider.Shutdown(ctx))
-	}
-	return errs
+	return errors.Join(
+		tts.ts.TracerProvider.(*sdktrace.TracerProvider).Shutdown(ctx),
+		tts.ts.MeterProvider.(*sdkmetric.MeterProvider).Shutdown(ctx))
 }
 
 // TelemetrySettings returns the TestTelemetry's TelemetrySettings
@@ -118,23 +115,26 @@ func (tts *TestTelemetry) TelemetrySettings() component.TelemetrySettings {
 // The caller must pass the ID of the component being tested. The ID will be used by the CreateSettings and Check methods.
 // The caller must defer a call to `Shutdown` on the returned TestTelemetry.
 func SetupTelemetry(id component.ID) (TestTelemetry, error) {
-	sr := new(tracetest.SpanRecorder)
-	tp := sdktrace.NewTracerProvider(sdktrace.WithSpanProcessor(sr))
-
 	settings := TestTelemetry{
-		ts:           NewNopTelemetrySettings(),
 		id:           id,
-		SpanRecorder: sr,
+		reader:       sdkmetric.NewManualReader(),
+		SpanRecorder: new(tracetest.SpanRecorder),
 	}
-	settings.ts.TracerProvider = tp
 
-	settings.reader = sdkmetric.NewManualReader()
-	settings.meterProvider = sdkmetric.NewMeterProvider(
+	mp := sdkmetric.NewMeterProvider(
 		sdkmetric.WithResource(resource.Empty()),
 		sdkmetric.WithReader(settings.reader),
 	)
-	settings.ts.LeveledMeterProvider = func(_ configtelemetry.Level) metric.MeterProvider {
-		return settings.meterProvider
+
+	settings.ts = component.TelemetrySettings{
+		Logger:         zap.NewNop(),
+		TracerProvider: sdktrace.NewTracerProvider(sdktrace.WithSpanProcessor(settings.SpanRecorder)),
+		MeterProvider:  mp,
+		LeveledMeterProvider: func(_ configtelemetry.Level) metric.MeterProvider {
+			return mp
+		},
+		MetricsLevel: configtelemetry.LevelDetailed,
+		Resource:     pcommon.NewResource(),
 	}
 
 	return settings, nil

component/telemetry.go

@@ -22,12 +22,11 @@ type TelemetrySettings struct {
 	TracerProvider trace.TracerProvider
 
 	// MeterProvider that the factory can pass to other instrumented third-party libraries.
-	//
-	// Deprecated [v0.109.0]: use LeveledMeterProvider instead.
 	MeterProvider metric.MeterProvider
 
 	// LeveledMeterProvider returns a MeterProvider for a Level that the factory can
 	// pass to other instrumented third-party libraries.
+	// Deprecated [v0.114.0]: use MeterProvider instead.
 	LeveledMeterProvider func(level configtelemetry.Level) metric.MeterProvider
 
 	// MetricsLevel represents the configuration value set when the collector