refactor (util): move from github.com/pkg/errors to 'errors' and 'fmt' (#10877)

Signed-off-by: Matthieu MOREL <mmorel-35@users.noreply.github.com>

Co-authored-by: Matthieu MOREL <mmorel-35@users.noreply.github.com>

util/logging/file.go

@@ -14,11 +14,11 @@
 package logging
 
 import (
+	"fmt"
 	"os"
 	"time"
 
 	"github.com/go-kit/log"
-	"github.com/pkg/errors"
 )
 
 var timestampFormat = log.TimestampFormat(
@@ -40,7 +40,7 @@ func NewJSONFileLogger(s string) (*JSONFileLogger, error) {
 
 	f, err := os.OpenFile(s, os.O_APPEND|os.O_CREATE|os.O_WRONLY, 0o666)
 	if err != nil {
-		return nil, errors.Wrap(err, "can't create json logger")
+		return nil, fmt.Errorf("can't create json logger: %w", err)
 	}
 
 	return &JSONFileLogger{

util/treecache/treecache.go

@@ -15,6 +15,7 @@ package treecache
 
 import (
 	"bytes"
+	"errors"
 	"fmt"
 	"strings"
 	"sync"
@@ -23,7 +24,6 @@ import (
 	"github.com/go-kit/log"
 	"github.com/go-kit/log/level"
 	"github.com/go-zookeeper/zk"
-	"github.com/pkg/errors"
 	"github.com/prometheus/client_golang/prometheus"
 )
 
@@ -214,10 +214,10 @@ func (tc *ZookeeperTreeCache) loop(path string) {
 
 func (tc *ZookeeperTreeCache) recursiveNodeUpdate(path string, node *zookeeperTreeCacheNode) error {
 	data, _, dataWatcher, err := tc.conn.GetW(path)
-	if err == zk.ErrNoNode {
+	if errors.Is(err, zk.ErrNoNode) {
 		tc.recursiveDelete(path, node)
 		if node == tc.head {
-			return errors.Errorf("path %s does not exist", path)
+			return fmt.Errorf("path %s does not exist", path)
 		}
 		return nil
 	} else if err != nil {
@@ -230,7 +230,7 @@ func (tc *ZookeeperTreeCache) recursiveNodeUpdate(path string, node *zookeeperTr
 	}
 
 	children, _, childWatcher, err := tc.conn.ChildrenW(path)
-	if err == zk.ErrNoNode {
+	if errors.Is(err, zk.ErrNoNode) {
 		tc.recursiveDelete(path, node)
 		return nil
 	} else if err != nil {