io/ioutil deprecated

pkg/volume/csi/csi_attacher_test.go

@@ -20,7 +20,6 @@ import (
 	"context"
 	"crypto/sha256"
 	"fmt"
-	"io/ioutil"
 	"os"
 	"os/user"
 	"path/filepath"
@@ -1644,7 +1643,7 @@ func TestAttacherUnmountDevice(t *testing.T) {
 			// Make JSON for this object
 			if tc.jsonFile != "" {
 				dataPath := filepath.Join(dir, volDataFileName)
-				if err := ioutil.WriteFile(dataPath, []byte(tc.jsonFile), 0644); err != nil {
+				if err := os.WriteFile(dataPath, []byte(tc.jsonFile), 0644); err != nil {
 					t.Fatalf("error creating %s: %s", dataPath, err)
 				}
 			}

pkg/volume/csi/csi_mounter_test.go

@@ -19,7 +19,6 @@ package csi
 import (
 	"context"
 	"fmt"
-	"io/ioutil"
 	"math/rand"
 	"os"
 	"path/filepath"
@@ -1065,7 +1064,7 @@ func TestUnmounterTeardown(t *testing.T) {
 }
 
 func TestIsCorruptedDir(t *testing.T) {
-	existingMountPath, err := ioutil.TempDir(os.TempDir(), "blobfuse-csi-mount-test")
+	existingMountPath, err := os.MkdirTemp(os.TempDir(), "blobfuse-csi-mount-test")
 	if err != nil {
 		t.Fatalf("failed to create tmp dir: %v", err)
 	}

pkg/volume/csi/csi_util_test.go

@@ -21,7 +21,6 @@ import (
 	"encoding/json"
 	"flag"
 	"fmt"
-	"io/ioutil"
 	"os"
 	"path/filepath"
 	"testing"
@@ -143,7 +142,7 @@ func TestSaveVolumeData(t *testing.T) {
 		}
 
 		// validate content
-		data, err := ioutil.ReadFile(file)
+		data, err := os.ReadFile(file)
 		if !tc.shouldFail && err != nil {
 			t.Errorf("failed to read data file: %v", err)
 		}