feat: replace github.com/pkg/errors to errors

Signed-off-by: haoyun <yun.hao@daocloud.io>
Co-authored-by: zounengren <zouyee1989@gmail.com>

metadata/namespaces.go

@@ -25,7 +25,6 @@ import (
 	"github.com/containerd/containerd/identifiers"
 	l "github.com/containerd/containerd/labels"
 	"github.com/containerd/containerd/namespaces"
-	"github.com/pkg/errors"
 	bolt "go.etcd.io/bbolt"
 )
 
@@ -50,7 +49,7 @@ func (s *namespaceStore) Create(ctx context.Context, namespace string, labels ma
 
 	for k, v := range labels {
 		if err := l.Validate(k, v); err != nil {
-			return errors.Wrapf(err, "namespace.Labels")
+			return fmt.Errorf("namespace.Labels: %w", err)
 		}
 	}
 
@@ -58,7 +57,7 @@ func (s *namespaceStore) Create(ctx context.Context, namespace string, labels ma
 	bkt, err := topbkt.CreateBucket([]byte(namespace))
 	if err != nil {
 		if err == bolt.ErrBucketExists {
-			return errors.Wrapf(errdefs.ErrAlreadyExists, "namespace %q", namespace)
+			return fmt.Errorf("namespace %q: %w", namespace, errdefs.ErrAlreadyExists)
 		}
 
 		return err
@@ -98,7 +97,7 @@ func (s *namespaceStore) Labels(ctx context.Context, namespace string) (map[stri
 
 func (s *namespaceStore) SetLabel(ctx context.Context, namespace, key, value string) error {
 	if err := l.Validate(key, value); err != nil {
-		return errors.Wrapf(err, "namespace.Labels")
+		return fmt.Errorf("namespace.Labels: %w", err)
 	}
 
 	return withNamespacesLabelsBucket(s.tx, namespace, func(bkt *bolt.Bucket) error {
@@ -148,16 +147,16 @@ func (s *namespaceStore) Delete(ctx context.Context, namespace string, opts ...n
 	}
 
 	if len(types) > 0 {
-		return errors.Wrapf(
-			errdefs.ErrFailedPrecondition,
-			"namespace %q must be empty, but it still has %s",
+		return fmt.Errorf(
+			"namespace %q must be empty, but it still has %s: %w",
 			namespace, strings.Join(types, ", "),
+			errdefs.ErrFailedPrecondition,
 		)
 	}
 
 	if err := bkt.DeleteBucket([]byte(namespace)); err != nil {
 		if err == bolt.ErrBucketNotFound {
-			return errors.Wrapf(errdefs.ErrNotFound, "namespace %q", namespace)
+			return fmt.Errorf("namespace %q: %w", namespace, errdefs.ErrNotFound)
 		}
 
 		return err