replace uses of pkg/errors with stdlib

cmd/convertor/builder/builder.go

@@ -21,6 +21,7 @@ import (
 	"crypto/tls"
 	"crypto/x509"
 	"encoding/json"
+	"errors"
 	"fmt"
 	"io"
 	"net"
@@ -42,7 +43,6 @@ import (
 	"github.com/containerd/platforms"
 	"github.com/opencontainers/go-digest"
 	v1 "github.com/opencontainers/image-spec/specs-go/v1"
-	"github.com/pkg/errors"
 	"github.com/sirupsen/logrus"
 	"golang.org/x/sync/errgroup"
 )
@@ -468,7 +468,7 @@ func (b *overlaybdBuilder) Build(ctx context.Context) (v1.Descriptor, error) {
 
 	targetDesc, err := b.engine.UploadImage(ctx)
 	if err != nil {
-		return v1.Descriptor{}, errors.Wrap(err, "failed to upload manifest or config")
+		return v1.Descriptor{}, fmt.Errorf("failed to upload manifest or config: %w", err)
 	}
 	b.engine.StoreConvertedManifestDetails(ctx)
 	logrus.Info("convert finished")

cmd/convertor/builder/builder_engine.go

@@ -30,7 +30,6 @@ import (
 	"github.com/containerd/log"
 	"github.com/opencontainers/go-digest"
 	specs "github.com/opencontainers/image-spec/specs-go/v1"
-	"github.com/pkg/errors"
 )
 
 type BuilderEngineType int
@@ -121,11 +120,11 @@ type builderEngineBase struct {
 func (e *builderEngineBase) isGzipLayer(ctx context.Context, idx int) (bool, error) {
 	rc, err := e.fetcher.Fetch(ctx, e.manifest.Layers[idx])
 	if err != nil {
-		return false, errors.Wrapf(err, "isGzipLayer: failed to open layer %d", idx)
+		return false, fmt.Errorf("isGzipLayer: failed to open layer %d: %w", idx, err)
 	}
 	drc, err := compression.DecompressStream(rc)
 	if err != nil {
-		return false, errors.Wrapf(err, "isGzipLayer: failed to open decompress stream for layer %d", idx)
+		return false, fmt.Errorf("isGzipLayer: failed to open decompress stream for layer %d: %w", idx, err)
 	}
 	compress := drc.GetCompression()
 	switch compress {
@@ -182,7 +181,7 @@ func (e *builderEngineBase) uploadManifestAndConfig(ctx context.Context) (specs.
 	}
 	if !e.noUpload {
 		if err = uploadBytes(ctx, e.pusher, e.manifest.Config, cbuf); err != nil {
-			return specs.Descriptor{}, errors.Wrapf(err, "failed to upload config")
+			return specs.Descriptor{}, fmt.Errorf("failed to upload config: %w", err)
 		}
 		log.G(ctx).Infof("config uploaded")
 	}
@@ -206,7 +205,7 @@ func (e *builderEngineBase) uploadManifestAndConfig(ctx context.Context) (specs.
 	}
 	if !e.noUpload {
 		if err = uploadBytes(ctx, e.pusher, manifestDesc, cbuf); err != nil {
-			return specs.Descriptor{}, errors.Wrapf(err, "failed to upload manifest")
+			return specs.Descriptor{}, fmt.Errorf("failed to upload manifest: %w", err)
 		}
 		e.outputDesc = manifestDesc
 		log.G(ctx).Infof("manifest uploaded, %s", manifestDesc.Digest)
@@ -224,19 +223,19 @@ func (e *builderEngineBase) uploadManifestAndConfig(ctx context.Context) (specs.
 func getBuilderEngineBase(ctx context.Context, resolver remotes.Resolver, ref, targetRef string) (*builderEngineBase, error) {
 	_, desc, err := resolver.Resolve(ctx, ref)
 	if err != nil {
-		return nil, errors.Wrapf(err, "failed to resolve reference %q", ref)
+		return nil, fmt.Errorf("failed to resolve reference %q: %w", ref, err)
 	}
 	fetcher, err := resolver.Fetcher(ctx, ref)
 	if err != nil {
-		return nil, errors.Wrapf(err, "failed to get fetcher for %q", ref)
+		return nil, fmt.Errorf("failed to get fetcher for %q: %w", ref, err)
 	}
 	pusher, err := resolver.Pusher(ctx, targetRef)
 	if err != nil {
-		return nil, errors.Wrapf(err, "failed to get pusher for %q", targetRef)
+		return nil, fmt.Errorf("failed to get pusher for %q: %w", targetRef, err)
 	}
 	manifest, config, err := fetchManifestAndConfig(ctx, fetcher, desc)
 	if err != nil {
-		return nil, errors.Wrap(err, "failed to fetch manifest and config")
+		return nil, fmt.Errorf("failed to fetch manifest and config: %w", err)
 	}
 	return &builderEngineBase{
 		resolver:  resolver,

cmd/convertor/builder/builder_utils.go

@@ -22,6 +22,7 @@ import (
 	"context"
 	"crypto/sha256"
 	"encoding/json"
+	"errors"
 	"fmt"
 	"io"
 	"os"
@@ -37,7 +38,6 @@ import (
 	"github.com/containerd/platforms"
 	"github.com/opencontainers/go-digest"
 	specs "github.com/opencontainers/image-spec/specs-go/v1"
-	"github.com/pkg/errors"
 	"github.com/sirupsen/logrus"
 
 	t "github.com/containerd/accelerated-container-image/pkg/types"
@@ -252,19 +252,19 @@ func tagPreviouslyConvertedManifest(ctx context.Context, pusher remotes.Pusher,
 func buildArchiveFromFiles(ctx context.Context, target string, compress compression.Compression, files ...string) error {
 	archive, err := os.Create(target)
 	if err != nil {
-		return errors.Wrapf(err, "failed to create tgz file: %q", target)
+		return fmt.Errorf("failed to create tgz file: %q: %w", target, err)
 	}
 	defer archive.Close()
 	fzip, err := compression.CompressStream(archive, compress)
 	if err != nil {
-		return errors.Wrapf(err, "failed to create compression %v", compress)
+		return fmt.Errorf("failed to create compression %v: %w", compress, err)
 	}
 	defer fzip.Close()
 	ftar := tar.NewWriter(fzip)
 	defer ftar.Close()
 	for _, file := range files {
 		if err := addFileToArchive(ctx, ftar, file); err != nil {
-			return errors.Wrapf(err, "failed to add file %q to archive %q", file, target)
+			return fmt.Errorf("failed to add file %q to archive %q: %w", file, target, err)
 		}
 	}
 	return nil
@@ -276,7 +276,7 @@ func addFileToArchive(ctx context.Context, ftar *tar.Writer, filepath string) er
 		if errors.Is(err, os.ErrNotExist) {
 			return nil
 		}
-		return errors.Wrapf(err, "failed to open file: %q", filepath)
+		return fmt.Errorf("failed to open file: %q: %w", filepath, err)
 	}
 	defer file.Close()
 	info, err := file.Stat()

cmd/convertor/builder/overlaybd_builder.go

@@ -21,6 +21,7 @@ import (
 	"bufio"
 	"context"
 	"encoding/json"
+	"errors"
 	"fmt"
 	"io"
 	"os"
@@ -34,7 +35,6 @@ import (
 	"github.com/opencontainers/go-digest"
 	"github.com/opencontainers/image-spec/identity"
 	specs "github.com/opencontainers/image-spec/specs-go/v1"
-	"github.com/pkg/errors"
 	"github.com/sirupsen/logrus"
 )
 
@@ -162,7 +162,7 @@ func (e *overlaybdBuilderEngine) UploadLayer(ctx context.Context, idx int) error
 	layerDir := e.getLayerDir(idx)
 	desc, err := getFileDesc(path.Join(layerDir, commitFile), false)
 	if err != nil {
-		return errors.Wrapf(err, "failed to get descriptor for layer %d", idx)
+		return fmt.Errorf("failed to get descriptor for layer %d: %w", idx, err)
 	}
 	if e.overlaybdLayers[idx].fromDedup {
 		// validate that the layer digests match if the layer is from dedup
@@ -178,7 +178,7 @@ func (e *overlaybdBuilderEngine) UploadLayer(ctx context.Context, idx int) error
 	}
 	if !e.noUpload {
 		if err := uploadBlob(ctx, e.pusher, path.Join(layerDir, commitFile), desc); err != nil {
-			return errors.Wrapf(err, "failed to upload layer %d", idx)
+			return fmt.Errorf("failed to upload layer %d: %w", idx, err)
 		}
 	}
 	e.overlaybdLayers[idx].desc = desc
@@ -406,7 +406,7 @@ func (e *overlaybdBuilderEngine) DownloadConvertedLayer(ctx context.Context, idx
 	if err != nil {
 		// We should remove the commit file if the download failed to allow for fallback conversion
 		os.Remove(targetFile) // Remove any file that may have failed to download
-		return errors.Wrapf(err, "failed to download layer %d", idx)
+		return fmt.Errorf("failed to download layer %d: %w", idx, err)
 	}
 	// Mark that this layer is from dedup
 	e.overlaybdLayers[idx].fromDedup = true
@@ -425,19 +425,19 @@ func (e *overlaybdBuilderEngine) uploadBaseLayer(ctx context.Context) (specs.Des
 	tarFile := path.Join(e.workDir, "ext4_64.tar")
 	fdes, err := os.Create(tarFile)
 	if err != nil {
-		return specs.Descriptor{}, errors.Wrapf(err, "failed to create file %s", tarFile)
+		return specs.Descriptor{}, fmt.Errorf("failed to create file %s: %w", tarFile, err)
 	}
 	digester := digest.Canonical.Digester()
 	countWriter := &writeCountWrapper{w: io.MultiWriter(fdes, digester.Hash())}
 	tarWriter := tar.NewWriter(countWriter)
 
 	fsrc, err := os.Open(overlaybdBaseLayer)
 	if err != nil {
-		return specs.Descriptor{}, errors.Wrapf(err, "failed to open %s", overlaybdBaseLayer)
+		return specs.Descriptor{}, fmt.Errorf("failed to open %s: %w", overlaybdBaseLayer, err)
 	}
 	fstat, err := os.Stat(overlaybdBaseLayer)
 	if err != nil {
-		return specs.Descriptor{}, errors.Wrapf(err, "failed to get info of %s", overlaybdBaseLayer)
+		return specs.Descriptor{}, fmt.Errorf("failed to get info of %s: %w", overlaybdBaseLayer, err)
 	}
 
 	if err := tarWriter.WriteHeader(&tar.Header{
@@ -446,13 +446,13 @@ func (e *overlaybdBuilderEngine) uploadBaseLayer(ctx context.Context) (specs.Des
 		Size:     fstat.Size(),
 		Typeflag: tar.TypeReg,
 	}); err != nil {
-		return specs.Descriptor{}, errors.Wrapf(err, "failed to write tar header")
+		return specs.Descriptor{}, fmt.Errorf("failed to write tar header: %w", err)
 	}
 	if _, err := io.Copy(tarWriter, bufio.NewReader(fsrc)); err != nil {
-		return specs.Descriptor{}, errors.Wrapf(err, "failed to copy IO")
+		return specs.Descriptor{}, fmt.Errorf("failed to copy IO: %w", err)
 	}
 	if err = tarWriter.Close(); err != nil {
-		return specs.Descriptor{}, errors.Wrapf(err, "failed to close tar file")
+		return specs.Descriptor{}, fmt.Errorf("failed to close tar file: %w", err)
 	}
 
 	baseDesc := specs.Descriptor{
@@ -467,7 +467,7 @@ func (e *overlaybdBuilderEngine) uploadBaseLayer(ctx context.Context) (specs.Des
 	}
 	if !e.noUpload {
 		if err = uploadBlob(ctx, e.pusher, tarFile, baseDesc); err != nil {
-			return specs.Descriptor{}, errors.Wrapf(err, "failed to upload baselayer")
+			return specs.Descriptor{}, fmt.Errorf("failed to upload baselayer: %w", err)
 		}
 		logrus.Infof("baselayer uploaded")
 	}

cmd/convertor/builder/turboOCI_builder.go

@@ -32,7 +32,6 @@ import (
 	"github.com/opencontainers/go-digest"
 	specs "github.com/opencontainers/image-spec/specs-go/v1"
 
-	"github.com/pkg/errors"
 	"github.com/sirupsen/logrus"
 )
 
@@ -115,7 +114,7 @@ func (e *turboOCIBuilderEngine) BuildLayer(ctx context.Context, idx int) error {
 		return err
 	}
 	if err := e.createIdentifier(idx); err != nil {
-		return errors.Wrapf(err, "failed to create identifier %q", tociIdentifier)
+		return fmt.Errorf("failed to create identifier %q: %w", tociIdentifier, err)
 	}
 	files := []string{
 		path.Join(layerDir, fsMetaFile),
@@ -127,7 +126,7 @@ func (e *turboOCIBuilderEngine) BuildLayer(ctx context.Context, idx int) error {
 		files = append(files, gzipIndexPath)
 	}
 	if err := buildArchiveFromFiles(ctx, path.Join(layerDir, tociLayerTar), compression.Gzip, files...); err != nil {
-		return errors.Wrapf(err, "failed to create turboOCIv1 archive for layer %d", idx)
+		return fmt.Errorf("failed to create turboOCIv1 archive for layer %d: %w", idx, err)
 	}
 	e.overlaybdConfig.Lowers = append(e.overlaybdConfig.Lowers, sn.OverlayBDBSConfigLower{
 		TargetFile:   path.Join(layerDir, "layer.tar"),
@@ -144,7 +143,7 @@ func (e *turboOCIBuilderEngine) UploadLayer(ctx context.Context, idx int) error
 	layerDir := e.getLayerDir(idx)
 	desc, err := getFileDesc(path.Join(layerDir, tociLayerTar), false)
 	if err != nil {
-		return errors.Wrapf(err, "failed to get descriptor for layer %d", idx)
+		return fmt.Errorf("failed to get descriptor for layer %d: %w", idx, err)
 	}
 	desc.MediaType = e.mediaTypeImageLayerGzip()
 	desc.Annotations = map[string]string{
@@ -169,7 +168,7 @@ func (e *turboOCIBuilderEngine) UploadLayer(ctx context.Context, idx int) error
 	}
 	desc.Annotations[label.TurboOCIMediaType] = targetMediaType
 	if err := uploadBlob(ctx, e.pusher, path.Join(layerDir, tociLayerTar), desc); err != nil {
-		return errors.Wrapf(err, "failed to upload layer %d", idx)
+		return fmt.Errorf("failed to upload layer %d: %w", idx, err)
 	}
 	e.tociLayers[idx] = desc
 	return nil
@@ -180,7 +179,7 @@ func (e *turboOCIBuilderEngine) UploadImage(ctx context.Context) (specs.Descript
 		layerDir := e.getLayerDir(idx)
 		uncompress, err := getFileDesc(path.Join(layerDir, tociLayerTar), true)
 		if err != nil {
-			return specs.Descriptor{}, errors.Wrapf(err, "failed to get uncompressed descriptor for layer %d", idx)
+			return specs.Descriptor{}, fmt.Errorf("failed to get uncompressed descriptor for layer %d: %w", idx, err)
 		}
 		e.manifest.Layers[idx] = e.tociLayers[idx]
 		e.config.RootFS.DiffIDs[idx] = uncompress.Digest
@@ -197,7 +196,7 @@ func (e *turboOCIBuilderEngine) UploadImage(ctx context.Context) (specs.Descript
 	}
 	if !e.mkfs {
 		if err := uploadBlob(ctx, e.pusher, overlaybdBaseLayer, baseDesc); err != nil {
-			return specs.Descriptor{}, errors.Wrapf(err, "failed to upload baselayer %q", overlaybdBaseLayer)
+			return specs.Descriptor{}, fmt.Errorf("failed to upload baselayer %q: %w", overlaybdBaseLayer, err)
 		}
 		e.manifest.Layers = append([]specs.Descriptor{baseDesc}, e.manifest.Layers...)
 		e.config.RootFS.DiffIDs = append([]digest.Digest{baseDesc.Digest}, e.config.RootFS.DiffIDs...)
@@ -260,7 +259,7 @@ func (e *turboOCIBuilderEngine) createIdentifier(idx int) error {
 	targetFile := path.Join(e.getLayerDir(idx), tociIdentifier)
 	file, err := os.Create(targetFile)
 	if err != nil {
-		return errors.Wrapf(err, "failed to create identifier file %q", tociIdentifier)
+		return fmt.Errorf("failed to create identifier file %q: %w", tociIdentifier, err)
 	}
 	defer file.Close()
 	return nil

cmd/ctr/overlaybd_conv.go

@@ -17,6 +17,7 @@
 package main
 
 import (
+	"errors"
 	"fmt"
 	"time"
 
@@ -26,7 +27,6 @@ import (
 	"github.com/containerd/containerd/v2/core/images/converter"
 	"github.com/containerd/containerd/v2/core/leases"
 	_ "github.com/go-sql-driver/mysql"
-	"github.com/pkg/errors"
 	"github.com/urfave/cli/v2"
 )
 
@@ -83,7 +83,7 @@ var convertCommand = &cli.Command{
 			leases.WithExpiration(1*time.Hour),
 		)
 		if err != nil {
-			return errors.Wrap(err, "failed to create lease")
+			return fmt.Errorf("failed to create lease: %w", err)
 		}
 		defer done(ctx)