replace harshicorp/multierror with errors.Join

analyzer/fanotify/fanotify.go

@@ -17,14 +17,14 @@
 package fanotify
 
 import (
+	"errors"
 	"fmt"
 	"os/exec"
 	"sync"
 	"syscall"
 	"time"
 
 	"github.com/containerd/stargz-snapshotter/analyzer/fanotify/conn"
-	"github.com/hashicorp/go-multierror"
 )
 
 // Fanotifier monitors "/" mountpoint of a new mount namespace and notifies all
@@ -59,14 +59,15 @@ func SpawnFanotifier(fanotifierBin string) (*Fanotifier, error) {
 
 		// Connect to the spawned fanotifier over stdio
 		conn: conn.NewClient(notifyR, notifyW, cmd.Process.Pid, 5*time.Second),
-		closeFunc: func() (allErr error) {
+		closeFunc: func() error {
+			var errs []error
 			if err := notifyR.Close(); err != nil {
-				allErr = multierror.Append(allErr, err)
+				errs = append(errs, err)
 			}
 			if err := notifyW.Close(); err != nil {
-				allErr = multierror.Append(allErr, err)
+				errs = append(errs, err)
 			}
-			return
+			return errors.Join(errs...)
 		},
 	}, nil
 }

cache/cache.go

@@ -18,6 +18,7 @@ package cache
 
 import (
 	"bytes"
+	"errors"
 	"fmt"
 	"io"
 	"os"
@@ -26,7 +27,6 @@ import (
 
 	"github.com/containerd/stargz-snapshotter/util/cacheutil"
 	"github.com/containerd/stargz-snapshotter/util/namedmutex"
-	"github.com/hashicorp/go-multierror"
 )
 
 const (
@@ -294,12 +294,12 @@ func (dc *directoryCache) Add(key string, opts ...Option) (Writer, error) {
 			// Commit the cache contents
 			c := dc.cachePath(key)
 			if err := os.MkdirAll(filepath.Dir(c), os.ModePerm); err != nil {
-				var allErr error
+				var errs []error
 				if err := os.Remove(wip.Name()); err != nil {
-					allErr = multierror.Append(allErr, err)
+					errs = append(errs, err)
 				}
-				return multierror.Append(allErr,
-					fmt.Errorf("failed to create cache directory %q: %w", c, err))
+				errs = append(errs, fmt.Errorf("failed to create cache directory %q: %w", c, err))
+				return errors.Join(errs...)
 			}
 			return os.Rename(wip.Name(), c)
 		},

cmd/containerd-stargz-grpc/db/reader.go

@@ -35,7 +35,6 @@ import (
 	"github.com/containerd/stargz-snapshotter/estargz"
 	"github.com/containerd/stargz-snapshotter/metadata"
 	"github.com/goccy/go-json"
-	"github.com/hashicorp/go-multierror"
 	digest "github.com/opencontainers/go-digest"
 	"github.com/rs/xid"
 	bolt "go.etcd.io/bbolt"
@@ -99,7 +98,7 @@ func NewReader(db *bolt.DB, sr *io.SectionReader, opts ...metadata.Option) (meta
 		rOpts.Telemetry.GetFooterLatency(start)
 	}
 
-	var allErr error
+	var errs []error
 	var tocR io.ReadCloser
 	var decompressor metadata.Decompressor
 	for _, d := range decompressors {
@@ -108,7 +107,7 @@ func NewReader(db *bolt.DB, sr *io.SectionReader, opts ...metadata.Option) (meta
 		maybeTocBytes := footer[:fOffset]
 		_, tocOffset, tocSize, err := d.ParseFooter(footer[fOffset:])
 		if err != nil {
-			allErr = multierror.Append(allErr, err)
+			errs = append(errs, err)
 			continue
 		}
 		if tocOffset >= 0 && tocSize <= 0 {
@@ -119,12 +118,14 @@ func NewReader(db *bolt.DB, sr *io.SectionReader, opts ...metadata.Option) (meta
 		}
 		tocR, err = decompressTOC(d, sr, tocOffset, tocSize, maybeTocBytes, rOpts)
 		if err != nil {
-			allErr = multierror.Append(allErr, err)
+			errs = append(errs, err)
 			continue
 		}
 		decompressor = d
 		break
 	}
+
+	allErr := errors.Join(errs...)
 	if tocR == nil {
 		if allErr == nil {
 			return nil, fmt.Errorf("failed to get the reader of TOC: unknown")
@@ -238,20 +239,22 @@ func (r *reader) init(decompressedR io.Reader, rOpts metadata.Options) (retErr e
 	if err != nil {
 		return err
 	}
-	closeFunc := func() (closeErr error) {
+	closeFunc := func() error {
 		name := f.Name()
+		var errs []error
 		if err := f.Close(); err != nil {
-			closeErr = multierror.Append(closeErr, err)
+			errs = append(errs, err)
 		}
 		if err := os.Remove(name); err != nil {
-			closeErr = multierror.Append(closeErr, err)
+			errs = append(errs, err)
 		}
-		return
+		return errors.Join(errs...)
 	}
 	defer func() {
 		if retErr != nil {
 			if err := closeFunc(); err != nil {
-				retErr = multierror.Append(retErr, err)
+				retErr = errors.Join(retErr, err)
+				return
 			}
 		}
 	}()

cmd/ctr-remote/commands/flags.go

@@ -21,6 +21,7 @@ import (
 	gocontext "context"
 	"encoding/csv"
 	"encoding/json"
+	"errors"
 	"fmt"
 	"os"
 	"path/filepath"
@@ -36,7 +37,6 @@ import (
 	"github.com/containerd/containerd/v2/pkg/oci"
 	gocni "github.com/containerd/go-cni"
 	"github.com/containerd/log"
-	"github.com/hashicorp/go-multierror"
 	imagespec "github.com/opencontainers/image-spec/specs-go/v1"
 	runtimespec "github.com/opencontainers/runtime-spec/specs-go"
 	"github.com/rs/xid"
@@ -129,13 +129,14 @@ var samplerFlags = []cli.Flag{
 func getSpecOpts(clicontext *cli.Context) func(image containerd.Image, rootfs string) (opts []oci.SpecOpts, done func() error, rErr error) {
 	return func(image containerd.Image, rootfs string) (opts []oci.SpecOpts, done func() error, rErr error) {
 		var cleanups []func() error
-		done = func() (allErr error) {
+		done = func() error {
+			var errs []error
 			for i := len(cleanups) - 1; i >= 0; i-- {
 				if err := cleanups[i](); err != nil {
-					allErr = multierror.Append(allErr, err)
+					errs = append(errs, err)
 				}
 			}
-			return
+			return errors.Join(errs...)
 		}
 		defer func() {
 			if rErr != nil {
@@ -265,13 +266,14 @@ func withEntrypointArgs(clicontext *cli.Context, image containerd.Image) (oci.Sp
 
 func withCNI(clicontext *cli.Context) (specOpt oci.SpecOpts, done func() error, rErr error) {
 	var cleanups []func() error
-	done = func() (allErr error) {
+	done = func() error {
+		var errs []error
 		for i := len(cleanups) - 1; i >= 0; i-- {
 			if err := cleanups[i](); err != nil {
-				allErr = multierror.Append(allErr, err)
+				errs = append(errs, err)
 			}
 		}
-		return
+		return errors.Join(errs...)
 	}
 	defer func() {
 		if rErr != nil {

cmd/go.mod

@@ -14,7 +14,6 @@ require (
 	github.com/coreos/go-systemd/v22 v22.5.0
 	github.com/docker/go-metrics v0.0.1
 	github.com/goccy/go-json v0.10.4
-	github.com/hashicorp/go-multierror v1.1.1
 	github.com/klauspost/compress v1.17.11
 	github.com/opencontainers/go-digest v1.0.0
 	github.com/opencontainers/image-spec v1.1.0
@@ -72,7 +71,6 @@ require (
 	github.com/google/gofuzz v1.2.0 // indirect
 	github.com/google/uuid v1.6.0 // indirect
 	github.com/hanwen/go-fuse/v2 v2.7.2 // indirect
-	github.com/hashicorp/errwrap v1.1.0 // indirect
 	github.com/hashicorp/go-cleanhttp v0.5.2 // indirect
 	github.com/hashicorp/go-retryablehttp v0.7.7 // indirect
 	github.com/imdario/mergo v0.3.13 // indirect

fs/reader/reader.go

@@ -27,6 +27,7 @@ import (
 	"bytes"
 	"context"
 	"crypto/sha256"
+	"errors"
 	"fmt"
 	"io"
 	"os"
@@ -38,7 +39,6 @@ import (
 	"github.com/containerd/stargz-snapshotter/estargz"
 	commonmetrics "github.com/containerd/stargz-snapshotter/fs/metrics/common"
 	"github.com/containerd/stargz-snapshotter/metadata"
-	"github.com/hashicorp/go-multierror"
 	digest "github.com/opencontainers/go-digest"
 	"golang.org/x/sync/errgroup"
 	"golang.org/x/sync/semaphore"
@@ -390,20 +390,21 @@ func (gr *reader) OpenFile(id uint32) (io.ReaderAt, error) {
 	}, nil
 }
 
-func (gr *reader) Close() (retErr error) {
+func (gr *reader) Close() error {
 	gr.closedMu.Lock()
 	defer gr.closedMu.Unlock()
 	if gr.closed {
 		return nil
 	}
 	gr.closed = true
+	var errs []error
 	if err := gr.cache.Close(); err != nil {
-		retErr = multierror.Append(retErr, err)
+		errs = append(errs, err)
 	}
 	if err := gr.r.Close(); err != nil {
-		retErr = multierror.Append(retErr, err)
+		errs = append(errs, err)
 	}
-	return
+	return errors.Join(errs...)
 }
 
 func (gr *reader) isClosed() bool {

fs/remote/resolver.go

@@ -26,6 +26,7 @@ import (
 	"context"
 	"crypto/rand"
 	"crypto/sha256"
+	"errors"
 	"fmt"
 	"io"
 	"math/big"
@@ -46,7 +47,6 @@ import (
 	"github.com/containerd/stargz-snapshotter/fs/config"
 	commonmetrics "github.com/containerd/stargz-snapshotter/fs/metrics/common"
 	"github.com/containerd/stargz-snapshotter/fs/source"
-	"github.com/hashicorp/go-multierror"
 	rhttp "github.com/hashicorp/go-retryablehttp"
 	digest "github.com/opencontainers/go-digest"
 	ocispec "github.com/opencontainers/image-spec/specs-go/v1"
@@ -129,19 +129,21 @@ func (r *Resolver) resolveFetcher(ctx context.Context, hosts source.RegistryHost
 		minWaitMSec: time.Duration(blobConfig.MinWaitMSec) * time.Millisecond,
 		maxWaitMSec: time.Duration(blobConfig.MaxWaitMSec) * time.Millisecond,
 	}
-	var handlersErr error
+	var errs []error
 	for name, p := range r.handlers {
 		// TODO: allow to configure the selection of readers based on the hostname in refspec
 		r, size, err := p.Handle(ctx, desc)
 		if err != nil {
-			handlersErr = multierror.Append(handlersErr, err)
+			errs = append(errs, err)
 			continue
 		}
 		log.G(ctx).WithField("handler name", name).WithField("ref", refspec.String()).WithField("digest", desc.Digest).
 			Debugf("contents is provided by a handler")
 		return &remoteFetcher{r}, size, nil
 	}
 
+	handlersErr := errors.Join(errs...)
+
 	log.G(ctx).WithError(handlersErr).WithField("ref", refspec.String()).WithField("digest", desc.Digest).Debugf("using default handler")
 	hf, size, err := newHTTPFetcher(ctx, fc)
 	if err != nil {

go.mod

@@ -17,7 +17,6 @@ require (
 	github.com/gogo/protobuf v1.3.2
 	github.com/golang/groupcache v0.0.0-20210331224755-41bb18bfe9da
 	github.com/hanwen/go-fuse/v2 v2.7.2
-	github.com/hashicorp/go-multierror v1.1.1
 	github.com/hashicorp/go-retryablehttp v0.7.7
 	github.com/klauspost/compress v1.17.11
 	github.com/moby/sys/mountinfo v0.7.2

metadata/testutil/testutil.go

@@ -18,6 +18,7 @@ package testutil
 
 import (
 	"compress/gzip"
+	"errors"
 	"fmt"
 	"io"
 	"os"
@@ -31,7 +32,6 @@ import (
 	"github.com/containerd/stargz-snapshotter/estargz"
 	"github.com/containerd/stargz-snapshotter/metadata"
 	tutil "github.com/containerd/stargz-snapshotter/util/testutil"
-	"github.com/hashicorp/go-multierror"
 	"github.com/klauspost/compress/zstd"
 	digest "github.com/opencontainers/go-digest"
 )
@@ -412,17 +412,17 @@ func newCalledTelemetry() (telemetry *metadata.Telemetry, check func() error) {
 			GetTocLatency:         func(time.Time) { getTocLatencyCalled = true },
 			DeserializeTocLatency: func(time.Time) { deserializeTocLatencyCalled = true },
 		}, func() error {
-			var allErr error
+			var errs []error
 			if !getFooterLatencyCalled {
-				allErr = multierror.Append(allErr, fmt.Errorf("metrics GetFooterLatency isn't called"))
+				errs = append(errs, fmt.Errorf("metrics GetFooterLatency isn't called"))
 			}
 			if !getTocLatencyCalled {
-				allErr = multierror.Append(allErr, fmt.Errorf("metrics GetTocLatency isn't called"))
+				errs = append(errs, fmt.Errorf("metrics GetTocLatency isn't called"))
 			}
 			if !deserializeTocLatencyCalled {
-				allErr = multierror.Append(allErr, fmt.Errorf("metrics DeserializeTocLatency isn't called"))
+				errs = append(errs, fmt.Errorf("metrics DeserializeTocLatency isn't called"))
 			}
-			return allErr
+			return errors.Join(errs...)
 		}
 }
 

service/service.go

@@ -18,6 +18,7 @@ package service
 
 import (
 	"context"
+	"errors"
 	"fmt"
 	"path/filepath"
 
@@ -33,7 +34,6 @@ import (
 	"github.com/containerd/stargz-snapshotter/service/resolver"
 	"github.com/containerd/stargz-snapshotter/snapshot"
 	snbase "github.com/containerd/stargz-snapshotter/snapshot"
-	"github.com/hashicorp/go-multierror"
 	ocispec "github.com/opencontainers/image-spec/specs-go/v1"
 )
 
@@ -136,14 +136,15 @@ func fsRoot(root string) string {
 
 func sources(ps ...source.GetSources) source.GetSources {
 	return func(labels map[string]string) (source []source.Source, allErr error) {
+		var errs []error
 		for _, p := range ps {
 			src, err := p(labels)
 			if err == nil {
 				return src, nil
 			}
-			allErr = multierror.Append(allErr, err)
+			errs = append(errs, err)
 		}
-		return
+		return nil, errors.Join(errs...)
 	}
 }