worker: fix TestUploadPackedSlab NDF

internal/test/tt.go

@@ -90,12 +90,16 @@ func (t impl) OKAll(vs ...interface{}) {
 
 func (t impl) Retry(tries int, durationBetweenAttempts time.Duration, fn func() error) {
 	t.Helper()
-	for i := 1; i < tries; i++ {
-		err := fn()
+	t.OK(Retry(tries, durationBetweenAttempts, fn))
+}
+
+func Retry(tries int, durationBetweenAttempts time.Duration, fn func() error) (err error) {
+	for i := 0; i < tries; i++ {
+		err = fn()
 		if err == nil {
-			return
+			return nil
 		}
 		time.Sleep(durationBetweenAttempts)
 	}
-	t.OK(fn())
+	return
 }

worker/upload.go

@@ -198,7 +198,7 @@ func (w *worker) upload(ctx context.Context, r io.Reader, contracts []api.Contra
 			// upload packed slab
 			if len(packedSlabs) > 0 {
 				if err := w.tryUploadPackedSlab(ctx, mem, packedSlabs[0], up.rs, up.contractSet, lockingPriorityBlockedUpload); err != nil {
-					w.logger.Errorf("couldn't upload packed slabs, err: %v", err)
+					w.logger.Error(err)
 				}
 			}
 		}
@@ -227,10 +227,6 @@ func (w *worker) threadedUploadPackedSlabs(rs api.RedundancySettings, contractSe
 		w.uploadsMu.Unlock()
 	}()
 
-	// upload packed slabs
-	var mu sync.Mutex
-	var errs error
-
 	// derive a context that we can use as an interrupt in case of an error or shutdown.
 	interruptCtx, interruptCancel := context.WithCancel(w.shutdownCtx)
 	defer interruptCancel()
@@ -246,9 +242,9 @@ func (w *worker) threadedUploadPackedSlabs(rs api.RedundancySettings, contractSe
 		// fetch packed slab to upload
 		packedSlabs, err := w.bus.PackedSlabsForUpload(interruptCtx, defaultPackedSlabsLockDuration, uint8(rs.MinShards), uint8(rs.TotalShards), contractSet, 1)
 		if err != nil {
-			mu.Lock()
-			errs = errors.Join(errs, fmt.Errorf("couldn't fetch packed slabs from bus: %v", err))
-			mu.Unlock()
+			w.logger.Errorf("couldn't fetch packed slabs from bus: %v", err)
+			mem.Release()
+			break
 		}
 
 		// no more packed slabs to upload
@@ -270,21 +266,14 @@ func (w *worker) threadedUploadPackedSlabs(rs api.RedundancySettings, contractSe
 
 			// try to upload a packed slab, if there were no packed slabs left to upload ok is false
 			if err := w.tryUploadPackedSlab(ctx, mem, ps, rs, contractSet, lockPriority); err != nil {
-				mu.Lock()
-				errs = errors.Join(errs, err)
-				mu.Unlock()
+				w.logger.Error(err)
 				interruptCancel() // prevent new uploads from being launched
 			}
 		}(packedSlabs[0])
 	}
 
 	// wait for all threads to finish
 	wg.Wait()
-
-	// log errors
-	if err := errors.Join(errs); err != nil {
-		w.logger.Errorf("couldn't upload packed slabs, err: %v", err)
-	}
 	return
 }
 
@@ -890,7 +879,7 @@ loop:
 	for slab.numInflight > 0 && !done {
 		select {
 		case <-u.shutdownCtx.Done():
-			return nil, 0, 0, errors.New("upload stopped")
+			return nil, 0, 0, ErrShuttingDown
 		case <-ctx.Done():
 			return nil, 0, 0, ctx.Err()
 		case resp := <-respChan:

worker/upload_test.go

@@ -4,13 +4,14 @@ import (
 	"bytes"
 	"context"
 	"errors"
-	"math"
+	"fmt"
 	"testing"
 	"time"
 
 	rhpv2 "go.sia.tech/core/rhp/v2"
 	"go.sia.tech/core/types"
 	"go.sia.tech/renterd/api"
+	"go.sia.tech/renterd/internal/test"
 	"go.sia.tech/renterd/object"
 	"lukechampine.com/frand"
 )
@@ -128,7 +129,7 @@ func TestUploadPackedSlab(t *testing.T) {
 	w := newTestWorker(t)
 
 	// add hosts to worker
-	w.AddHosts(testRedundancySettings.TotalShards * 2)
+	w.AddHosts(testRedundancySettings.TotalShards)
 
 	// convenience variables
 	os := w.os
@@ -140,9 +141,6 @@ func TestUploadPackedSlab(t *testing.T) {
 	params := testParameters(t.Name())
 	params.packing = true
 
-	// block aysnc packed slab uploads
-	w.BlockAsyncPackedSlabUploads(params)
-
 	// create test data
 	data := frand.Bytes(128)
 
@@ -208,67 +206,60 @@ func TestUploadPackedSlab(t *testing.T) {
 		t.Fatal("data mismatch")
 	}
 
-	// configure max buffer size
-	os.setSlabBufferMaxSizeSoft(128)
-
-	// upload 2x64 bytes using the worker
-	params.path = t.Name() + "2"
-	_, err = w.upload(context.Background(), bytes.NewReader(frand.Bytes(64)), w.Contracts(), params)
-	if err != nil {
-		t.Fatal(err)
-	}
-	params.path = t.Name() + "3"
-	_, err = w.upload(context.Background(), bytes.NewReader(frand.Bytes(64)), w.Contracts(), params)
-	if err != nil {
-		t.Fatal(err)
+	// define a helper that counts packed slabs
+	packedSlabsCount := func() int {
+		t.Helper()
+		os.mu.Lock()
+		cnt := len(os.partials)
+		os.mu.Unlock()
+		return cnt
 	}
 
-	// assert we still have two packed slabs (buffer limit not reached)
-	pss, err = os.PackedSlabsForUpload(context.Background(), 0, uint8(params.rs.MinShards), uint8(params.rs.TotalShards), testContractSet, math.MaxInt)
-	if err != nil {
-		t.Fatal(err)
-	} else if len(pss) != 2 {
-		t.Fatal("expected 2 packed slab")
+	// define a helper that uploads data using the worker
+	var c int
+	uploadBytes := func(n int) {
+		t.Helper()
+		params.path = fmt.Sprintf("%s_%d", t.Name(), c)
+		_, err := w.upload(context.Background(), bytes.NewReader(frand.Bytes(n)), w.Contracts(), params)
+		if err != nil {
+			t.Fatal(err)
+		}
+		c++
 	}
 
-	// upload one more byte (buffer limit reached)
-	params.path = t.Name() + "4"
-	_, err = w.upload(context.Background(), bytes.NewReader(frand.Bytes(1)), w.Contracts(), params)
-	if err != nil {
-		t.Fatal(err)
-	}
+	// block aysnc packed slab uploads
+	w.BlockAsyncPackedSlabUploads(params)
 
-	// assert we still have two packed slabs (one got uploaded synchronously)
-	pss, err = os.PackedSlabsForUpload(context.Background(), 0, uint8(params.rs.MinShards), uint8(params.rs.TotalShards), testContractSet, math.MaxInt)
-	if err != nil {
-		t.Fatal(err)
-	} else if len(pss) != 2 {
-		t.Fatal("expected 2 packed slab")
+	// configure max buffer size
+	os.setSlabBufferMaxSizeSoft(128)
+
+	// upload 2x64 bytes using the worker and assert we still have two packed
+	// slabs (buffer limit not reached)
+	uploadBytes(64)
+	uploadBytes(64)
+	if packedSlabsCount() != 2 {
+		t.Fatal("expected 2 packed slabs")
 	}
 
-	// allow some time for the background thread to realise we blocked async
-	// packed slab uploads
-	time.Sleep(time.Second)
+	// upload one more byte and assert we still have two packed slabs (one got
+	// uploaded synchronously because buffer limit was reached)
+	uploadBytes(1)
+	if packedSlabsCount() != 2 {
+		t.Fatal("expected 2 packed slabs")
+	}
 
 	// unblock asynchronous uploads
 	w.UnblockAsyncPackedSlabUploads(params)
+	uploadBytes(129) // ensure background thread is running
 
-	// upload 1 byte using the worker
-	params.path = t.Name() + "5"
-	_, err = w.upload(context.Background(), bytes.NewReader(frand.Bytes(129)), w.Contracts(), params)
-	if err != nil {
-		t.Fatal(err)
-	}
-
-	// allow some time for the thread to pick up the packed slabs
-	time.Sleep(time.Second)
-
-	// assert we uploaded all packed slabs
-	pss, err = os.PackedSlabsForUpload(context.Background(), 0, uint8(params.rs.MinShards), uint8(params.rs.TotalShards), testContractSet, 1)
-	if err != nil {
+	// assert packed slabs get uploaded asynchronously
+	if err := test.Retry(100, 100*time.Millisecond, func() error {
+		if packedSlabsCount() != 0 {
+			return errors.New("expected 0 packed slabs")
+		}
+		return nil
+	}); err != nil {
 		t.Fatal(err)
-	} else if len(pss) != 0 {
-		t.Fatal("expected 0 packed slab")
 	}
 }