golangci-lint: enable int-conversion and fiximports rule of perfsprint

Signed-off-by: Matthieu MOREL <matthieu.morel35@gmail.com>

pkg/backup/actions/csi/pvc_action.go

@@ -19,6 +19,7 @@ package csi
 import (
 	"context"
 	"fmt"
+	"strconv"
 
 	snapshotv1api "github.com/kubernetes-csi/external-snapshotter/client/v7/apis/volumesnapshot/v1"
 	"github.com/pkg/errors"
@@ -484,9 +485,7 @@ func newDataUpload(
 	if backup.Spec.UploaderConfig != nil &&
 		backup.Spec.UploaderConfig.ParallelFilesUpload > 0 {
 		dataUpload.Spec.DataMoverConfig = make(map[string]string)
-		dataUpload.Spec.DataMoverConfig[uploaderUtil.ParallelFilesUpload] = fmt.Sprintf(
-			"%d", backup.Spec.UploaderConfig.ParallelFilesUpload,
-		)
+		dataUpload.Spec.DataMoverConfig[uploaderUtil.ParallelFilesUpload] = strconv.Itoa(backup.Spec.UploaderConfig.ParallelFilesUpload)
 	}
 
 	return dataUpload

pkg/cmd/cli/backup/create_test.go

@@ -19,6 +19,7 @@ package backup
 import (
 	"context"
 	"fmt"
+	"strconv"
 	"strings"
 	"testing"
 	"time"
@@ -222,7 +223,7 @@ func TestCreateCommand(t *testing.T) {
 		flags.Parse([]string{"--default-volumes-to-fs-backup", defaultVolumesToFsBackup})
 		flags.Parse([]string{"--resource-policies-configmap", resPoliciesConfigmap})
 		flags.Parse([]string{"--data-mover", dataMover})
-		flags.Parse([]string{"--parallel-files-upload", fmt.Sprintf("%d", parallelFilesUpload)})
+		flags.Parse([]string{"--parallel-files-upload", strconv.Itoa(parallelFilesUpload)})
 		//flags.Parse([]string{"--wait"})
 
 		client := velerotest.NewFakeControllerRuntimeClient(t).(kbclient.WithWatch)

pkg/label/label.go

@@ -18,6 +18,7 @@ package label
 
 import (
 	"crypto/sha256"
+	"encoding/hex"
 	"fmt"
 
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
@@ -38,7 +39,7 @@ func GetValidName(label string) string {
 	}
 
 	sha := sha256.Sum256([]byte(label))
-	strSha := fmt.Sprintf("%x", sha)
+	strSha := hex.EncodeToString(sha[:])
 	charsFromLabel := validation.DNS1035LabelMaxLength - 6
 	if charsFromLabel < 0 {
 		// Derive the label name from sha hash in case the DNS1035LabelMaxLength is less than 6