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

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

plugin/context.go

@@ -18,12 +18,12 @@ package plugin
 
 import (
 	"context"
+	"fmt"
 	"path/filepath"
 
 	"github.com/containerd/containerd/errdefs"
 	"github.com/containerd/containerd/events/exchange"
 	ocispec "github.com/opencontainers/image-spec/specs-go/v1"
-	"github.com/pkg/errors"
 )
 
 // InitContext is used for plugin initialization
@@ -117,7 +117,7 @@ func (ps *Set) Add(p *Plugin) error {
 	} else if _, idok := byID[p.Registration.ID]; !idok {
 		byID[p.Registration.ID] = p
 	} else {
-		return errors.Wrapf(errdefs.ErrAlreadyExists, "plugin %v already initialized", p.Registration.URI())
+		return fmt.Errorf("plugin %v already initialized: %w", p.Registration.URI(), errdefs.ErrAlreadyExists)
 	}
 
 	ps.ordered = append(ps.ordered, p)
@@ -129,7 +129,7 @@ func (ps *Set) Get(t Type) (interface{}, error) {
 	for _, v := range ps.byTypeAndID[t] {
 		return v.Instance()
 	}
-	return nil, errors.Wrapf(errdefs.ErrNotFound, "no plugins registered for %s", t)
+	return nil, fmt.Errorf("no plugins registered for %s: %w", t, errdefs.ErrNotFound)
 }
 
 // GetAll plugins in the set
@@ -145,7 +145,7 @@ func (i *InitContext) GetByID(t Type, id string) (interface{}, error) {
 	}
 	p, ok := ps[id]
 	if !ok {
-		return nil, errors.Wrapf(errdefs.ErrNotFound, "no %s plugins with id %s", t, id)
+		return nil, fmt.Errorf("no %s plugins with id %s: %w", t, id, errdefs.ErrNotFound)
 	}
 	return p.Instance()
 }
@@ -154,7 +154,7 @@ func (i *InitContext) GetByID(t Type, id string) (interface{}, error) {
 func (i *InitContext) GetByType(t Type) (map[string]*Plugin, error) {
 	p, ok := i.plugins.byTypeAndID[t]
 	if !ok {
-		return nil, errors.Wrapf(errdefs.ErrNotFound, "no plugins registered for %s", t)
+		return nil, fmt.Errorf("no plugins registered for %s: %w", t, errdefs.ErrNotFound)
 	}
 
 	return p, nil

plugin/plugin.go

@@ -17,10 +17,9 @@
 package plugin
 
 import (
+	"errors"
 	"fmt"
 	"sync"
-
-	"github.com/pkg/errors"
 )
 
 var (
@@ -172,7 +171,7 @@ func Register(r *Registration) {
 func checkUnique(r *Registration) error {
 	for _, registered := range register.r {
 		if r.URI() == registered.URI() {
-			return errors.Wrap(ErrIDRegistered, r.URI())
+			return fmt.Errorf("%s: %w", r.URI(), ErrIDRegistered)
 		}
 	}
 	return nil