Deprecated everything in exporterqueue, alias from exporterhelper (#12706)

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

.chloggen/deprecate-exporterqueue.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: exporterqueue
+
+# A brief description of the change.  Surround your text with quotes ("") if it needs to start with a backtick (`).
+note: Deprecated Config, NewDefaultConfig, Encoding, ErrQueueFull. Use alias from exporterhelper.
+
+# One or more tracking issues or pull requests related to the change
+issues: [12706]
+
+# (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]

exporter/exporterhelper/common.go

@@ -7,7 +7,6 @@ import (
 	"go.opentelemetry.io/collector/component"
 	"go.opentelemetry.io/collector/config/configretry"
 	"go.opentelemetry.io/collector/consumer"
-	"go.opentelemetry.io/collector/exporter/exporterbatcher"
 	"go.opentelemetry.io/collector/exporter/exporterhelper/internal"
 )
 
@@ -38,25 +37,9 @@ func WithRetry(config configretry.BackOffConfig) Option {
 	return internal.WithRetry(config)
 }
 
-// WithQueue overrides the default QueueConfig for an exporter.
-// The default QueueConfig is to disable queueing.
-// This option cannot be used with the new exporter helpers New[Traces|Metrics|Logs]RequestExporter.
-func WithQueue(config QueueConfig) Option {
-	return internal.WithQueue(config)
-}
-
 // WithCapabilities overrides the default Capabilities() function for a Consumer.
 // The default is non-mutable data.
 // TODO: Verify if we can change the default to be mutable as we do for processors.
 func WithCapabilities(capabilities consumer.Capabilities) Option {
 	return internal.WithCapabilities(capabilities)
 }
-
-// WithBatcher enables batching for an exporter based on custom request types.
-// For now, it can be used only with the New[Traces|Metrics|Logs]RequestExporter exporter helpers and
-// WithRequestBatchFuncs provided.
-// This API is at the early stage of development and may change without backward compatibility
-// until https://github.com/open-telemetry/opentelemetry-collector/issues/8122 is resolved.
-func WithBatcher(cfg exporterbatcher.Config) Option {
-	return internal.WithBatcher(cfg)
-}

exporter/exporterhelper/internal/base_exporter.go

@@ -18,7 +18,6 @@ import (
 	"go.opentelemetry.io/collector/exporter/exporterhelper/internal/queuebatch"
 	"go.opentelemetry.io/collector/exporter/exporterhelper/internal/request"
 	"go.opentelemetry.io/collector/exporter/exporterhelper/internal/sender"
-	"go.opentelemetry.io/collector/exporter/exporterqueue"
 	"go.opentelemetry.io/collector/pipeline"
 )
 
@@ -49,7 +48,7 @@ type BaseExporter struct {
 	retryCfg   configretry.BackOffConfig
 
 	queueBatchSettings QueueBatchSettings[request.Request]
-	queueCfg           exporterqueue.Config
+	queueCfg           QueueConfig
 	batcherCfg         exporterbatcher.Config
 }
 
@@ -195,7 +194,7 @@ func WithRetry(config configretry.BackOffConfig) Option {
 // WithQueue overrides the default QueueConfig for an exporter.
 // The default QueueConfig is to disable queueing.
 // This option cannot be used with the new exporter helpers New[Traces|Metrics|Logs]RequestExporter.
-func WithQueue(cfg exporterqueue.Config) Option {
+func WithQueue(cfg QueueConfig) Option {
 	return func(o *BaseExporter) error {
 		if o.queueBatchSettings.Encoding == nil {
 			return errors.New("WithQueue option is not available for the new request exporters, use WithQueueBatch instead")
@@ -208,7 +207,7 @@ func WithQueue(cfg exporterqueue.Config) Option {
 // This option should be used with the new exporter helpers New[Traces|Metrics|Logs]RequestExporter.
 // Experimental: This API is at the early stage of development and may change without backward compatibility
 // until https://github.com/open-telemetry/opentelemetry-collector/issues/8122 is resolved.
-func WithQueueBatch(cfg exporterqueue.Config, set QueueBatchSettings[request.Request]) Option {
+func WithQueueBatch(cfg QueueConfig, set QueueBatchSettings[request.Request]) Option {
 	return func(o *BaseExporter) error {
 		if !cfg.Enabled {
 			o.ExportFailureMessage += " Try enabling sending_queue to survive temporary failures."

exporter/exporterhelper/internal/base_exporter_test.go

@@ -20,7 +20,6 @@ import (
 	"go.opentelemetry.io/collector/exporter/exporterhelper/internal/queuebatch"
 	"go.opentelemetry.io/collector/exporter/exporterhelper/internal/request"
 	"go.opentelemetry.io/collector/exporter/exporterhelper/internal/requesttest"
-	"go.opentelemetry.io/collector/exporter/exporterqueue"
 	"go.opentelemetry.io/collector/exporter/exportertest"
 	"go.opentelemetry.io/collector/pipeline"
 )
@@ -51,10 +50,10 @@ func TestQueueOptionsWithRequestExporter(t *testing.T) {
 	require.NoError(t, err)
 	require.Nil(t, bs.queueBatchSettings.Encoding)
 	_, err = NewBaseExporter(exportertest.NewNopSettings(exportertest.NopType), pipeline.SignalMetrics, noopExport,
-		WithRetry(configretry.NewDefaultBackOffConfig()), WithQueue(exporterqueue.NewDefaultConfig()))
+		WithRetry(configretry.NewDefaultBackOffConfig()), WithQueue(NewDefaultQueueConfig()))
 	require.Error(t, err)
 
-	qCfg := exporterqueue.NewDefaultConfig()
+	qCfg := NewDefaultQueueConfig()
 	storageID := component.NewID(component.MustNewType("test"))
 	qCfg.StorageID = &storageID
 	_, err = NewBaseExporter(exportertest.NewNopSettings(exportertest.NopType), pipeline.SignalMetrics, noopExport,
@@ -70,7 +69,7 @@ func TestBaseExporterLogging(t *testing.T) {
 	set.Logger = zap.New(logger)
 	rCfg := configretry.NewDefaultBackOffConfig()
 	rCfg.Enabled = false
-	qCfg := exporterqueue.NewDefaultConfig()
+	qCfg := NewDefaultQueueConfig()
 	qCfg.Enabled = false
 	bs, err := NewBaseExporter(set, pipeline.SignalMetrics, errExport,
 		WithQueueBatchSettings(newFakeQueueBatch()),
@@ -100,7 +99,7 @@ func TestQueueRetryWithDisabledQueue(t *testing.T) {
 			queueOptions: []Option{
 				WithQueueBatchSettings(newFakeQueueBatch()),
 				func() Option {
-					qs := exporterqueue.NewDefaultConfig()
+					qs := NewDefaultQueueConfig()
 					qs.Enabled = false
 					return WithQueue(qs)
 				}(),
@@ -115,7 +114,7 @@ func TestQueueRetryWithDisabledQueue(t *testing.T) {
 			name: "WithRequestQueue",
 			queueOptions: []Option{
 				func() Option {
-					qs := exporterqueue.NewDefaultConfig()
+					qs := NewDefaultQueueConfig()
 					qs.Enabled = false
 					return WithQueueBatch(qs, newFakeQueueBatch())
 				}(),

exporter/exporterhelper/internal/queue_sender.go

@@ -5,25 +5,73 @@ package internal // import "go.opentelemetry.io/collector/exporter/exporterhelpe
 
 import (
 	"context"
+	"errors"
 
 	"go.uber.org/zap"
 
+	"go.opentelemetry.io/collector/component"
 	"go.opentelemetry.io/collector/exporter/exporterbatcher"
 	"go.opentelemetry.io/collector/exporter/exporterhelper/internal/queuebatch"
 	"go.opentelemetry.io/collector/exporter/exporterhelper/internal/request"
 	"go.opentelemetry.io/collector/exporter/exporterhelper/internal/sender"
-	"go.opentelemetry.io/collector/exporter/exporterqueue"
 )
 
 // QueueBatchSettings is a subset of the queuebatch.Settings that are needed when used within an Exporter.
 type QueueBatchSettings[K any] struct {
-	Encoding exporterqueue.Encoding[K]
+	Encoding queuebatch.Encoding[K]
 	Sizers   map[exporterbatcher.SizerType]queuebatch.Sizer[K]
 }
 
+// NewDefaultQueueConfig returns the default config for QueueConfig.
+// By default, the queue stores 1000 items of telemetry and is non-blocking when full.
+func NewDefaultQueueConfig() QueueConfig {
+	return QueueConfig{
+		Enabled:      true,
+		NumConsumers: 10,
+		// By default, batches are 8192 spans, for a total of up to 8 million spans in the queue
+		// This can be estimated at 1-4 GB worth of maximum memory usage
+		// This default is probably still too high, and may be adjusted further down in a future release
+		QueueSize: 1_000,
+		Blocking:  false,
+	}
+}
+
+// QueueConfig defines configuration for queueing requests before exporting.
+// It's supposed to be used with the new exporter helpers New[Traces|Metrics|Logs]RequestExporter.
+// Experimental: This API is at the early stage of development and may change without backward compatibility
+// until https://github.com/open-telemetry/opentelemetry-collector/issues/8122 is resolved.
+type QueueConfig struct {
+	// Enabled indicates whether to not enqueue batches before exporting.
+	Enabled bool `mapstructure:"enabled"`
+	// NumConsumers is the number of consumers from the queue.
+	NumConsumers int `mapstructure:"num_consumers"`
+	// QueueSize is the maximum number of requests allowed in queue at any given time.
+	QueueSize int `mapstructure:"queue_size"`
+	// Blocking controls the queue behavior when full.
+	// If true it blocks until enough space to add the new request to the queue.
+	Blocking bool `mapstructure:"blocking"`
+	// StorageID if not empty, enables the persistent storage and uses the component specified
+	// as a storage extension for the persistent queue
+	StorageID *component.ID `mapstructure:"storage"`
+}
+
+// Validate checks if the Config is valid
+func (qCfg *QueueConfig) Validate() error {
+	if !qCfg.Enabled {
+		return nil
+	}
+	if qCfg.NumConsumers <= 0 {
+		return errors.New("`num_consumers` must be positive")
+	}
+	if qCfg.QueueSize <= 0 {
+		return errors.New("`queue_size` must be positive")
+	}
+	return nil
+}
+
 func NewQueueSender(
 	qSet queuebatch.Settings[request.Request],
-	qCfg exporterqueue.Config,
+	qCfg QueueConfig,
 	bCfg exporterbatcher.Config,
 	exportFailureMessage string,
 	next sender.Sender[request.Request],
@@ -43,7 +91,7 @@ func NewQueueSender(
 	return queuebatch.NewQueueBatch(qSet, newQueueBatchConfig(qCfg, bCfg), exportFunc)
 }
 
-func newQueueBatchConfig(qCfg exporterqueue.Config, bCfg exporterbatcher.Config) queuebatch.Config {
+func newQueueBatchConfig(qCfg QueueConfig, bCfg exporterbatcher.Config) queuebatch.Config {
 	qbCfg := queuebatch.Config{
 		Enabled:         true,
 		WaitForResult:   !qCfg.Enabled,

exporter/exporterhelper/internal/queue_sender_test.go

@@ -20,7 +20,6 @@ import (
 	"go.opentelemetry.io/collector/exporter/exporterhelper/internal/request"
 	"go.opentelemetry.io/collector/exporter/exporterhelper/internal/requesttest"
 	"go.opentelemetry.io/collector/exporter/exporterhelper/internal/sender"
-	"go.opentelemetry.io/collector/exporter/exporterqueue"
 	"go.opentelemetry.io/collector/exporter/exportertest"
 	"go.opentelemetry.io/collector/pipeline"
 )
@@ -37,7 +36,7 @@ func TestNewQueueSenderFailedRequestDropped(t *testing.T) {
 	logger, observed := observer.New(zap.ErrorLevel)
 	qSet.Telemetry.Logger = zap.New(logger)
 	be, err := NewQueueSender(
-		qSet, exporterqueue.NewDefaultConfig(), exporterbatcher.Config{}, "", sender.NewSender(func(context.Context, request.Request) error { return errors.New("some error") }))
+		qSet, NewDefaultQueueConfig(), exporterbatcher.Config{}, "", sender.NewSender(func(context.Context, request.Request) error { return errors.New("some error") }))
 
 	require.NoError(t, err)
 	require.NoError(t, be.Start(context.Background(), componenttest.NewNopHost()))
@@ -46,3 +45,19 @@ func TestNewQueueSenderFailedRequestDropped(t *testing.T) {
 	assert.Len(t, observed.All(), 1)
 	assert.Equal(t, "Exporting failed. Dropping data.", observed.All()[0].Message)
 }
+
+func TestQueueConfig_Validate(t *testing.T) {
+	qCfg := NewDefaultQueueConfig()
+	require.NoError(t, qCfg.Validate())
+
+	qCfg.NumConsumers = 0
+	require.EqualError(t, qCfg.Validate(), "`num_consumers` must be positive")
+
+	qCfg = NewDefaultQueueConfig()
+	qCfg.QueueSize = 0
+	require.EqualError(t, qCfg.Validate(), "`queue_size` must be positive")
+
+	// Confirm Validate doesn't return error with invalid config when feature is disabled
+	qCfg.Enabled = false
+	assert.NoError(t, qCfg.Validate())
+}

exporter/exporterhelper/logs.go

@@ -16,7 +16,6 @@ import (
 	"go.opentelemetry.io/collector/exporter/exporterbatcher"
 	"go.opentelemetry.io/collector/exporter/exporterhelper/internal"
 	"go.opentelemetry.io/collector/exporter/exporterhelper/internal/queuebatch"
-	"go.opentelemetry.io/collector/exporter/exporterhelper/internal/request"
 	"go.opentelemetry.io/collector/exporter/exporterhelper/internal/sizer"
 	"go.opentelemetry.io/collector/pdata/plog"
 	"go.opentelemetry.io/collector/pipeline"
@@ -37,7 +36,7 @@ func NewLogsQueueBatchSettings() QueueBatchSettings {
 			exporterbatcher.SizerTypeRequests: NewRequestsSizer(),
 			exporterbatcher.SizerTypeItems:    queuebatch.NewItemsSizer(),
 			exporterbatcher.SizerTypeBytes: queuebatch.BaseSizer{
-				SizeofFunc: func(req request.Request) int64 {
+				SizeofFunc: func(req Request) int64 {
 					return int64(logsMarshaler.LogsSize(req.(*logsRequest).ld))
 				},
 			},

exporter/exporterhelper/metrics.go

@@ -16,7 +16,6 @@ import (
 	"go.opentelemetry.io/collector/exporter/exporterbatcher"
 	"go.opentelemetry.io/collector/exporter/exporterhelper/internal"
 	"go.opentelemetry.io/collector/exporter/exporterhelper/internal/queuebatch"
-	"go.opentelemetry.io/collector/exporter/exporterhelper/internal/request"
 	"go.opentelemetry.io/collector/exporter/exporterhelper/internal/sizer"
 	"go.opentelemetry.io/collector/pdata/pmetric"
 	"go.opentelemetry.io/collector/pipeline"
@@ -37,7 +36,7 @@ func NewMetricsQueueBatchSettings() QueueBatchSettings {
 			exporterbatcher.SizerTypeRequests: NewRequestsSizer(),
 			exporterbatcher.SizerTypeItems:    queuebatch.NewItemsSizer(),
 			exporterbatcher.SizerTypeBytes: queuebatch.BaseSizer{
-				SizeofFunc: func(req request.Request) int64 {
+				SizeofFunc: func(req Request) int64 {
 					return int64(metricsMarshaler.MetricsSize(req.(*metricsRequest).md))
 				},
 			},

exporter/exporterhelper/queue_batch.go

@@ -4,20 +4,49 @@
 package exporterhelper // import "go.opentelemetry.io/collector/exporter/exporterhelper"
 
 import (
+	"go.opentelemetry.io/collector/exporter/exporterbatcher"
 	"go.opentelemetry.io/collector/exporter/exporterhelper/internal"
-	"go.opentelemetry.io/collector/exporter/exporterqueue"
+	"go.opentelemetry.io/collector/exporter/exporterhelper/internal/queuebatch"
 )
 
 // QueueConfig defines configuration for queueing batches before sending to the consumerSender.
-type QueueConfig = exporterqueue.Config
+type QueueConfig = internal.QueueConfig
 
 // Deprecated: [v0.123.0] use WithQueueBatch.
-func WithRequestQueue(cfg exporterqueue.Config, encoding exporterqueue.Encoding[Request]) Option {
+func WithRequestQueue(cfg QueueConfig, encoding QueueBatchEncoding[Request]) Option {
 	return WithQueueBatch(cfg, QueueBatchSettings{Encoding: encoding})
 }
 
+// WithQueue overrides the default QueueConfig for an exporter.
+// The default QueueConfig is to disable queueing.
+// This option cannot be used with the new exporter helpers New[Traces|Metrics|Logs]RequestExporter.
+func WithQueue(config QueueConfig) Option {
+	return internal.WithQueue(config)
+}
+
+// WithBatcher enables batching for an exporter based on custom request types.
+// For now, it can be used only with the New[Traces|Metrics|Logs]RequestExporter exporter helpers and
+// WithRequestBatchFuncs provided.
+// This API is at the early stage of development and may change without backward compatibility
+// until https://github.com/open-telemetry/opentelemetry-collector/issues/8122 is resolved.
+func WithBatcher(cfg exporterbatcher.Config) Option {
+	return internal.WithBatcher(cfg)
+}
+
 // QueueBatchConfig defines configuration for queueing and batching for the exporter.
-type QueueBatchConfig = exporterqueue.Config
+type QueueBatchConfig = internal.QueueConfig
+
+// QueueBatchEncoding defines the encoding to be used if persistent queue is configured.
+// Duplicate definition with queuebatch.Encoding since aliasing generics is not supported by default.
+type QueueBatchEncoding[T any] interface {
+	// Marshal is a function that can marshal a request into bytes.
+	Marshal(T) ([]byte, error)
+
+	// Unmarshal is a function that can unmarshal bytes into a request.
+	Unmarshal([]byte) (T, error)
+}
+
+var ErrQueueIsFull = queuebatch.ErrQueueIsFull
 
 // QueueBatchSettings are settings for the QueueBatch component.
 // They include things line Encoding to be used with persistent queue, or the available Sizers, etc.
@@ -32,14 +61,5 @@ func WithQueueBatch(cfg QueueBatchConfig, set QueueBatchSettings) Option {
 }
 
 // NewDefaultQueueConfig returns the default config for QueueConfig.
-func NewDefaultQueueConfig() QueueConfig {
+// By default, the queue stores 1000 items of telemetry and is non-blocking when full.
-	return exporterqueue.Config{
+var NewDefaultQueueConfig = internal.NewDefaultQueueConfig
-		Enabled:      true,
-		NumConsumers: 10,
-		// By default, batches are 8192 spans, for a total of up to 8 million spans in the queue
-		// This can be estimated at 1-4 GB worth of maximum memory usage
-		// This default is probably still too high, and may be adjusted further down in a future release
-		QueueSize: 1_000,
-		Blocking:  false,
-	}
-}

exporter/exporterhelper/request.go

@@ -31,12 +31,12 @@ type RequestConverterFunc[K any] func(context.Context, K) (Request, error)
 
 // RequestConsumeFunc processes the request. After the function returns, the request is no longer accessible,
 // and accessing it is considered undefined behavior.
-type RequestConsumeFunc = sender.SendFunc[request.Request]
+type RequestConsumeFunc = sender.SendFunc[Request]
 
 // RequestSizer is an interface that returns the size of the given request.
-type RequestSizer = queuebatch.Sizer[request.Request]
+type RequestSizer = queuebatch.Sizer[Request]
 
 // NewRequestsSizer returns a RequestSizer that counts the requests by the number of requests, always returning 1.
 func NewRequestsSizer() RequestSizer {
-	return queuebatch.RequestsSizer[request.Request]{}
+	return queuebatch.RequestsSizer[Request]{}
 }

exporter/exporterhelper/traces.go

@@ -16,7 +16,6 @@ import (
 	"go.opentelemetry.io/collector/exporter/exporterbatcher"
 	"go.opentelemetry.io/collector/exporter/exporterhelper/internal"
 	"go.opentelemetry.io/collector/exporter/exporterhelper/internal/queuebatch"
-	"go.opentelemetry.io/collector/exporter/exporterhelper/internal/request"
 	"go.opentelemetry.io/collector/exporter/exporterhelper/internal/sizer"
 	"go.opentelemetry.io/collector/pdata/ptrace"
 	"go.opentelemetry.io/collector/pipeline"
@@ -37,7 +36,7 @@ func NewTracesQueueBatchSettings() QueueBatchSettings {
 			exporterbatcher.SizerTypeRequests: NewRequestsSizer(),
 			exporterbatcher.SizerTypeItems:    queuebatch.NewItemsSizer(),
 			exporterbatcher.SizerTypeBytes: queuebatch.BaseSizer{
-				SizeofFunc: func(req request.Request) int64 {
+				SizeofFunc: func(req Request) int64 {
 					return int64(tracesMarshaler.TracesSize(req.(*tracesRequest).td))
 				},
 			},

exporter/exporterqueue/config.go

@@ -4,33 +4,14 @@
 package exporterqueue // import "go.opentelemetry.io/collector/exporter/exporterqueue"
 
 import (
-	"errors"
+	"go.opentelemetry.io/collector/exporter/exporterhelper"
-
-	"go.opentelemetry.io/collector/component"
 )
 
-// Config defines configuration for queueing requests before exporting.
+// Deprecated: [v0.123.0] Use exporterhelper.QueueConfig
-// It's supposed to be used with the new exporter helpers New[Traces|Metrics|Logs]RequestExporter.
+type Config = exporterhelper.QueueConfig
-// Experimental: This API is at the early stage of development and may change without backward compatibility
-// until https://github.com/open-telemetry/opentelemetry-collector/issues/8122 is resolved.
-type Config struct {
-	// Enabled indicates whether to not enqueue batches before exporting.
-	Enabled bool `mapstructure:"enabled"`
-	// NumConsumers is the number of consumers from the queue.
-	NumConsumers int `mapstructure:"num_consumers"`
-	// QueueSize is the maximum number of requests allowed in queue at any given time.
-	QueueSize int `mapstructure:"queue_size"`
-	// Blocking controls the queue behavior when full.
-	// If true it blocks until enough space to add the new request to the queue.
-	Blocking bool `mapstructure:"blocking"`
-	// StorageID if not empty, enables the persistent storage and uses the component specified
-	// as a storage extension for the persistent queue
-	StorageID *component.ID `mapstructure:"storage"`
-}
 
-// NewDefaultConfig returns the default Config.
+// Deprecated: [v0.123.0] Use exporterhelper.NewDefaultQueueConfig.
-// Experimental: This API is at the early stage of development and may change without backward compatibility
+// Small difference that this is blocking vs the other one which is not blocking.
-// until https://github.com/open-telemetry/opentelemetry-collector/issues/8122 is resolved.
 func NewDefaultConfig() Config {
 	return Config{
 		Enabled:      true,
@@ -39,17 +20,3 @@ func NewDefaultConfig() Config {
 		Blocking:     true,
 	}
 }
-
-// Validate checks if the Config is valid
-func (qCfg *Config) Validate() error {
-	if !qCfg.Enabled {
-		return nil
-	}
-	if qCfg.NumConsumers <= 0 {
-		return errors.New("`num_consumers` must be positive")
-	}
-	if qCfg.QueueSize <= 0 {
-		return errors.New("`queue_size` must be positive")
-	}
-	return nil
-}

exporter/exporterqueue/config_test.go

@@ -1,27 +0,0 @@
-// Copyright The OpenTelemetry Authors
-// SPDX-License-Identifier: Apache-2.0
-
-package exporterqueue
-
-import (
-	"testing"
-
-	"github.com/stretchr/testify/assert"
-	"github.com/stretchr/testify/require"
-)
-
-func TestQueueConfig_Validate(t *testing.T) {
-	qCfg := NewDefaultConfig()
-	require.NoError(t, qCfg.Validate())
-
-	qCfg.NumConsumers = 0
-	require.EqualError(t, qCfg.Validate(), "`num_consumers` must be positive")
-
-	qCfg = NewDefaultConfig()
-	qCfg.QueueSize = 0
-	require.EqualError(t, qCfg.Validate(), "`queue_size` must be positive")
-
-	// Confirm Validate doesn't return error with invalid config when feature is disabled
-	qCfg.Enabled = false
-	assert.NoError(t, qCfg.Validate())
-}

exporter/exporterqueue/encoding.go

@@ -2,7 +2,15 @@
 // SPDX-License-Identifier: Apache-2.0
 
 package exporterqueue // import "go.opentelemetry.io/collector/exporter/exporterqueue"
+import (
+	"go.opentelemetry.io/collector/exporter/exporterhelper"
+)
 
+// Deprecated: [v0.123.0] Use exporterhelper.ErrQueueIsFull
+var ErrQueueIsFull = exporterhelper.ErrQueueIsFull
+
+// Deprecated: [v0.123.0] Use exporterhelper.QueueBatchEncoding
+// Duplicate definition with queuebatch.Encoding since aliasing generics is not supported by default.
 type Encoding[T any] interface {
 	// Marshal is a function that can marshal a request into bytes.
 	Marshal(T) ([]byte, error)