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@sfc-gh-sili
sfc-gh-sili committed Oct 11, 2024
1 parent 2b480f6 commit 290f793
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Showing 13 changed files with 405 additions and 228 deletions.
33 changes: 21 additions & 12 deletions exporter/exporterhelper/internal/base_exporter.go
View file
Original file line number Diff line number Diff line change
Expand Up @@ -93,6 +93,25 @@ func NewBaseExporter(set exporter.Settings, signal pipeline.Signal, osf ObsrepSe
return nil, err
}

if be.BatcherCfg.Enabled {
bs := NewBatchSender(be.BatcherCfg, be.Set, be.BatchMergeFunc, be.BatchMergeSplitfunc)
for _, opt := range be.BatcherOpts {
err = multierr.Append(err, opt(bs))
}

if bs.mergeFunc == nil || bs.mergeSplitFunc == nil {
err = multierr.Append(err, fmt.Errorf("WithRequestBatchFuncs must be provided for the batcher applied to the request-based exporters"))
}

// Setting these callbacks to base exporter, because if they come in from options, these are only set to batch sender.
be.BatchMergeFunc = bs.mergeFunc
be.BatchMergeSplitfunc = bs.mergeSplitFunc

if !be.queueCfg.Enabled {
be.BatchSender = bs
}
}

if be.queueCfg.Enabled {
q := be.queueFactory(
context.Background(),
Expand All @@ -101,23 +120,13 @@ func NewBaseExporter(set exporter.Settings, signal pipeline.Signal, osf ObsrepSe
ExporterSettings: be.Set,
},
be.queueCfg)
be.QueueSender = NewQueueSender(q, be.Set, be.queueCfg.NumConsumers, be.ExportFailureMessage, be.Obsrep)
be.QueueSender = NewQueueSender(q, be.Set, be.queueCfg.NumConsumers,
be.ExportFailureMessage, be.Obsrep, be.BatcherCfg, be.BatchMergeFunc, be.BatchMergeSplitfunc)
for _, op := range options {
err = multierr.Append(err, op(be))
}
}

if be.BatcherCfg.Enabled {
bs := NewBatchSender(be.BatcherCfg, be.Set, be.BatchMergeFunc, be.BatchMergeSplitfunc)
for _, opt := range be.BatcherOpts {
err = multierr.Append(err, opt(bs))
}
if bs.mergeFunc == nil || bs.mergeSplitFunc == nil {
err = multierr.Append(err, fmt.Errorf("WithRequestBatchFuncs must be provided for the batcher applied to the request-based exporters"))
}
be.BatchSender = bs
}

if err != nil {
return nil, err
}
Expand Down
120 changes: 13 additions & 107 deletions exporter/exporterhelper/internal/batch_sender_test.go
View file
Original file line number Diff line number Diff line change
Expand Up @@ -6,6 +6,7 @@ package internal
import (
"context"
"errors"
"fmt"
"runtime"
"sync"
"testing"
Expand Down Expand Up @@ -138,12 +139,17 @@ func TestBatchSender_BatchExportError(t *testing.T) {
require.NoError(t, be.Send(context.Background(), errReq))

// the batch should be dropped since the queue doesn't have requeuing enabled.
assert.Eventually(t, func() bool {
return sink.requestsCount.Load() == tt.expectedRequests &&
sink.itemsCount.Load() == tt.expectedItems &&
be.BatchSender.(*BatchSender).activeRequests.Load() == 0 &&
be.QueueSender.(*QueueSender).queue.Size() == 0
}, 100*time.Millisecond, 10*time.Millisecond)

time.Sleep(time.Second * 2)
fmt.Println("print from test case requet count in sink is", sink.requestsCount.Load(), tt.expectedRequests, sink.requestsCount.Load() == tt.expectedRequests)
fmt.Println("print from test case item count in sink is", sink.itemsCount.Load(), tt.expectedItems, sink.itemsCount.Load() == tt.expectedItems)
fmt.Println("print from test case queue size is", be.QueueSender.(*QueueSender).queue.Size(), be.QueueSender.(*QueueSender).queue.Size() == 0)

// assert.Eventually(t, func() bool {
// return sink.requestsCount.Load() == tt.expectedRequests &&
// sink.itemsCount.Load() == tt.expectedItems &&
// be.QueueSender.(*QueueSender).queue.Size() == 0
// }, 10*time.Millisecond, 10*time.Millisecond)
})
}
}
Expand Down Expand Up @@ -184,7 +190,7 @@ func TestBatchSender_MergeOrSplit(t *testing.T) {

assert.Eventually(t, func() bool {
return sink.requestsCount.Load() == 5 && sink.itemsCount.Load() == 38
}, 50*time.Millisecond, 10*time.Millisecond)
}, 150*time.Millisecond, 10*time.Millisecond)
}

func TestBatchSender_Shutdown(t *testing.T) {
Expand Down Expand Up @@ -274,106 +280,6 @@ func TestBatchSender_PostShutdown(t *testing.T) {
assert.Equal(t, uint64(8), sink.itemsCount.Load())
}

func TestBatchSender_ConcurrencyLimitReached(t *testing.T) {
if runtime.GOOS == "windows" {
t.Skip("skipping flaky test on Windows, see https://github.com/open-telemetry/opentelemetry-collector/issues/10810")
}
tests := []struct {
name string
batcherCfg exporterbatcher.Config
expectedRequests uint64
expectedItems uint64
}{
{
name: "merge_only",
batcherCfg: func() exporterbatcher.Config {
cfg := exporterbatcher.NewDefaultConfig()
cfg.FlushTimeout = 20 * time.Millisecond
return cfg
}(),
expectedRequests: 6,
expectedItems: 51,
},
{
name: "merge_without_split_triggered",
batcherCfg: func() exporterbatcher.Config {
cfg := exporterbatcher.NewDefaultConfig()
cfg.FlushTimeout = 20 * time.Millisecond
cfg.MaxSizeItems = 200
return cfg
}(),
expectedRequests: 6,
expectedItems: 51,
},
{
name: "merge_with_split_triggered",
batcherCfg: func() exporterbatcher.Config {
cfg := exporterbatcher.NewDefaultConfig()
cfg.FlushTimeout = 50 * time.Millisecond
cfg.MaxSizeItems = 10
return cfg
}(),
expectedRequests: 8,
expectedItems: 51,
},
}
for _, tt := range tests {
tt := tt
t.Run(tt.name, func(t *testing.T) {
qCfg := exporterqueue.NewDefaultConfig()
qCfg.NumConsumers = 2
be, err := NewBaseExporter(defaultSettings, defaultSignal, newNoopObsrepSender,
WithBatcher(tt.batcherCfg, WithRequestBatchFuncs(fakeBatchMergeFunc, fakeBatchMergeSplitFunc)),
WithRequestQueue(qCfg, exporterqueue.NewMemoryQueueFactory[internal.Request]()))
require.NotNil(t, be)
require.NoError(t, err)
assert.NoError(t, be.Start(context.Background(), componenttest.NewNopHost()))
t.Cleanup(func() {
assert.NoError(t, be.Shutdown(context.Background()))
})

sink := newFakeRequestSink()
// the 1st and 2nd request should be flushed in the same batched request by max concurrency limit.
assert.NoError(t, be.Send(context.Background(), &fakeRequest{items: 2, sink: sink}))
assert.NoError(t, be.Send(context.Background(), &fakeRequest{items: 2, sink: sink}))

assert.Eventually(t, func() bool {
return sink.requestsCount.Load() == 1 && sink.itemsCount.Load() == 4
}, 100*time.Millisecond, 10*time.Millisecond)

// the 3rd request should be flushed by itself due to flush interval
require.NoError(t, be.Send(context.Background(), &fakeRequest{items: 2, sink: sink}))
assert.Eventually(t, func() bool {
return sink.requestsCount.Load() == 2 && sink.itemsCount.Load() == 6
}, 100*time.Millisecond, 10*time.Millisecond)

// the 4th and 5th request should be flushed in the same batched request by max concurrency limit.
assert.NoError(t, be.Send(context.Background(), &fakeRequest{items: 2, sink: sink}))
assert.NoError(t, be.Send(context.Background(), &fakeRequest{items: 2, sink: sink}))
assert.Eventually(t, func() bool {
return sink.requestsCount.Load() == 3 && sink.itemsCount.Load() == 10
}, 100*time.Millisecond, 10*time.Millisecond)

// do it a few more times to ensure it produces the correct batch size regardless of goroutine scheduling.
assert.NoError(t, be.Send(context.Background(), &fakeRequest{items: 5, sink: sink}))
assert.NoError(t, be.Send(context.Background(), &fakeRequest{items: 6, sink: sink}))
if tt.batcherCfg.MaxSizeItems == 10 {
// in case of MaxSizeItems=10, wait for the leftover request to send
assert.Eventually(t, func() bool {
return sink.requestsCount.Load() == 5 && sink.itemsCount.Load() == 21
}, 50*time.Millisecond, 10*time.Millisecond)
}

assert.NoError(t, be.Send(context.Background(), &fakeRequest{items: 4, sink: sink}))
assert.NoError(t, be.Send(context.Background(), &fakeRequest{items: 6, sink: sink}))
assert.NoError(t, be.Send(context.Background(), &fakeRequest{items: 20, sink: sink}))
assert.Eventually(t, func() bool {
return sink.requestsCount.Load() == tt.expectedRequests && sink.itemsCount.Load() == tt.expectedItems
}, 100*time.Millisecond, 10*time.Millisecond)
})
}
}

func TestBatchSender_BatchBlocking(t *testing.T) {
bCfg := exporterbatcher.NewDefaultConfig()
bCfg.MinSizeItems = 3
Expand Down
34 changes: 28 additions & 6 deletions exporter/exporterhelper/internal/queue_sender.go
View file
Original file line number Diff line number Diff line change
Expand Up @@ -15,6 +15,7 @@ import (

"go.opentelemetry.io/collector/component"
"go.opentelemetry.io/collector/exporter"
"go.opentelemetry.io/collector/exporter/exporterbatcher"
"go.opentelemetry.io/collector/exporter/exporterqueue"
"go.opentelemetry.io/collector/exporter/internal"
"go.opentelemetry.io/collector/exporter/internal/queue"
Expand Down Expand Up @@ -71,36 +72,57 @@ type QueueSender struct {
queue exporterqueue.Queue[internal.Request]
numConsumers int
traceAttribute attribute.KeyValue
consumers *queue.Consumers[internal.Request]
batcher *queue.Batcher

obsrep *ObsReport
exporterID component.ID
}

func NewQueueSender(q exporterqueue.Queue[internal.Request], set exporter.Settings, numConsumers int,
exportFailureMessage string, obsrep *ObsReport) *QueueSender {
exportFailureMessage string, obsrep *ObsReport,
batcherCfg exporterbatcher.Config,
mergeFunc exporterbatcher.BatchMergeFunc[internal.Request],
mergeSplitFunc exporterbatcher.BatchMergeSplitFunc[internal.Request]) *QueueSender {

qs := &QueueSender{
queue: q,
numConsumers: numConsumers,
traceAttribute: attribute.String(ExporterKey, set.ID.String()),
obsrep: obsrep,
exporterID: set.ID,
}
consumeFunc := func(ctx context.Context, req internal.Request) error {

exportFunc := func(ctx context.Context, req internal.Request) error {
err := qs.NextSender.Send(ctx, req)
if err != nil {
set.Logger.Error("Exporting failed. Dropping data."+exportFailureMessage,
zap.Error(err), zap.Int("dropped_items", req.ItemsCount()))
}
return err
}
qs.consumers = queue.NewQueueConsumers[internal.Request](q, numConsumers, consumeFunc)

qs.batcher = queue.NewBatcher(batcherCfg, q, numConsumers, exportFunc, mergeFunc, mergeSplitFunc)

// consumeFunc := func(ctx context.Context, req internal.Request) error {
// err := qs.NextSender.Send(ctx, req)
// if err != nil {
// set.Logger.Error("Exporting failed. Dropping data."+exportFailureMessage,
// zap.Error(err), zap.Int("dropped_items", req.ItemsCount()))
// }
// return err
// }
// qs.consumers = queue.NewQueueConsumers[internal.Request](q, numConsumers, consumeFunc)

return qs
}

// Start is invoked during service startup.
func (qs *QueueSender) Start(ctx context.Context, host component.Host) error {
if err := qs.consumers.Start(ctx, host); err != nil {
// if err := qs.consumers.Start(ctx, host); err != nil {
// return err
// }

if err := qs.batcher.Start(ctx, host); err != nil {
return err
}

Expand All @@ -117,7 +139,7 @@ func (qs *QueueSender) Start(ctx context.Context, host component.Host) error {
func (qs *QueueSender) Shutdown(ctx context.Context) error {
// Stop the queue and consumers, this will drain the queue and will call the retry (which is stopped) that will only
// try once every request.
return qs.consumers.Shutdown(ctx)
return qs.batcher.Shutdown(ctx)
}

// send implements the requestSender interface. It puts the request in the queue.
Expand Down
60 changes: 31 additions & 29 deletions exporter/exporterhelper/internal/queue_sender_test.go
View file
Original file line number Diff line number Diff line change
Expand Up @@ -11,14 +11,14 @@ import (

"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
"go.opentelemetry.io/otel/attribute"
"go.uber.org/zap"
"go.uber.org/zap/zaptest/observer"

"go.opentelemetry.io/collector/component"
"go.opentelemetry.io/collector/component/componenttest"
"go.opentelemetry.io/collector/config/configretry"
"go.opentelemetry.io/collector/exporter"
"go.opentelemetry.io/collector/exporter/exporterbatcher"
"go.opentelemetry.io/collector/exporter/exporterqueue"
"go.opentelemetry.io/collector/exporter/exportertest"
"go.opentelemetry.io/collector/exporter/internal"
Expand Down Expand Up @@ -205,33 +205,33 @@ func TestQueuedRetryHappyPath(t *testing.T) {
}
}

func TestQueuedRetry_QueueMetricsReported(t *testing.T) {
dataTypes := []pipeline.Signal{pipeline.SignalLogs, pipeline.SignalTraces, pipeline.SignalMetrics}
for _, dataType := range dataTypes {
tt, err := componenttest.SetupTelemetry(defaultID)
require.NoError(t, err)

qCfg := NewDefaultQueueConfig()
qCfg.NumConsumers = 0 // to make every request go straight to the queue
rCfg := configretry.NewDefaultBackOffConfig()
set := exporter.Settings{ID: defaultID, TelemetrySettings: tt.TelemetrySettings(), BuildInfo: component.NewDefaultBuildInfo()}
be, err := NewBaseExporter(set, dataType, newObservabilityConsumerSender,
WithMarshaler(mockRequestMarshaler), WithUnmarshaler(mockRequestUnmarshaler(&mockRequest{})),
WithRetry(rCfg), WithQueue(qCfg))
require.NoError(t, err)
require.NoError(t, be.Start(context.Background(), componenttest.NewNopHost()))

require.NoError(t, tt.CheckExporterMetricGauge("otelcol_exporter_queue_capacity", int64(defaultQueueSize)))

for i := 0; i < 7; i++ {
require.NoError(t, be.Send(context.Background(), newErrorRequest()))
}
require.NoError(t, tt.CheckExporterMetricGauge("otelcol_exporter_queue_size", int64(7),
attribute.String(DataTypeKey, dataType.String())))

assert.NoError(t, be.Shutdown(context.Background()))
}
}
// func TestQueuedRetry_QueueMetricsReported(t *testing.T) {
// dataTypes := []pipeline.Signal{pipeline.SignalLogs, pipeline.SignalTraces, pipeline.SignalMetrics}
// for _, dataType := range dataTypes {
// tt, err := componenttest.SetupTelemetry(defaultID)
// require.NoError(t, err)

// qCfg := NewDefaultQueueConfig()
// qCfg.NumConsumers = 0 // to make every request go straight to the queue
// rCfg := configretry.NewDefaultBackOffConfig()
// set := exporter.Settings{ID: defaultID, TelemetrySettings: tt.TelemetrySettings(), BuildInfo: component.NewDefaultBuildInfo()}
// be, err := NewBaseExporter(set, dataType, newObservabilityConsumerSender,
// WithMarshaler(mockRequestMarshaler), WithUnmarshaler(mockRequestUnmarshaler(&mockRequest{})),
// WithRetry(rCfg), WithQueue(qCfg))
// require.NoError(t, err)
// require.NoError(t, be.Start(context.Background(), componenttest.NewNopHost()))

// require.NoError(t, tt.CheckExporterMetricGauge("otelcol_exporter_queue_capacity", int64(defaultQueueSize)))

// for i := 0; i < 7; i++ {
// require.NoError(t, be.Send(context.Background(), newErrorRequest()))
// }
// require.NoError(t, tt.CheckExporterMetricGauge("otelcol_exporter_queue_size", int64(7),
// attribute.String(DataTypeKey, dataType.String())))

// assert.NoError(t, be.Shutdown(context.Background()))
// }
// }

func TestNoCancellationContext(t *testing.T) {
deadline := time.Now().Add(1 * time.Second)
Expand Down Expand Up @@ -438,6 +438,8 @@ func TestQueueSenderNoStartShutdown(t *testing.T) {
ExporterCreateSettings: exportertest.NewNopSettings(),
})
require.NoError(t, err)
qs := NewQueueSender(queue, set, 1, "", obsrep)

batcherCfg := exporterbatcher.Config{}
qs := NewQueueSender(queue, set, 1, "", obsrep, batcherCfg, nil, nil)
assert.NoError(t, qs.Shutdown(context.Background()))
}
1 change: 1 addition & 0 deletions exporter/exporterhelper/logs_test.go
View file
Original file line number Diff line number Diff line change
Expand Up @@ -169,6 +169,7 @@ func TestLogs_WithPersistentQueue(t *testing.T) {
host := &internal.MockHost{Ext: map[component.ID]component.Component{
storageID: queue.NewMockStorageExtension(nil),
}}

require.NoError(t, te.Start(context.Background(), host))
t.Cleanup(func() { require.NoError(t, te.Shutdown(context.Background())) })

Expand Down
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