cleanup: upgrade golint version and fix golint errors

.github/workflows/static.yaml

@@ -15,5 +15,5 @@ jobs:
             - name: Run linter
               uses: golangci/golangci-lint-action@v3
               with:
-                  version: v1.54
+                  version: v1.60
                   args: -E=gofmt,unused,ineffassign,revive,misspell,exportloopref,asciicheck,bodyclose,depguard,dogsled,durationcheck,errname,forbidigo -D=staticcheck --timeout=30m0s

hack/verify-golint.sh

@@ -18,12 +18,12 @@ set -euo pipefail
 
 if [[ -z "$(command -v golangci-lint)" ]]; then
   echo "Cannot find golangci-lint. Installing golangci-lint..."
-  go install github.com/golangci/golangci-lint/cmd/golangci-lint@v1.45.0
+  go install github.com/golangci/golangci-lint/cmd/golangci-lint@v1.60.0
   export PATH=$PATH:$(go env GOPATH)/bin
 fi
 
 echo "Verifying golint"
 
-golangci-lint run --no-config --enable=golint --disable=typecheck --deadline=10m
+golangci-lint run --no-config --enable=golint --disable=typecheck --timeout 10m
 
 echo "Congratulations! Lint check completed for all Go source files."

pkg/blob/blob.go

@@ -243,7 +243,7 @@ func NewDriver(options *DriverOptions) *Driver {
 	d.NodeID = options.NodeID
 
 	var err error
-	getter := func(key string) (interface{}, error) { return nil, nil }
+	getter := func(_ string) (interface{}, error) { return nil, nil }
 	if d.accountSearchCache, err = azcache.NewTimedCache(time.Minute, getter, false); err != nil {
 		klog.Fatalf("%v", err)
 	}

pkg/blob/controllerserver.go

@@ -181,13 +181,13 @@ func (d *Driver) CreateVolume(ctx context.Context, req *csi.CreateVolumeRequest)
 			// only do validations here, used in NodeStageVolume, NodePublishVolume
 			if v != "" {
 				if _, err := strconv.ParseUint(v, 8, 32); err != nil {
-					return nil, status.Errorf(codes.InvalidArgument, fmt.Sprintf("invalid mountPermissions %s in storage class", v))
+					return nil, status.Errorf(codes.InvalidArgument, "invalid mountPermissions %s in storage class", v)
 				}
 			}
 		case useDataPlaneAPIField:
 			useDataPlaneAPI = strings.EqualFold(v, trueValue)
 		default:
-			return nil, status.Errorf(codes.InvalidArgument, fmt.Sprintf("invalid parameter %q in storage class", k))
+			return nil, status.Errorf(codes.InvalidArgument, "invalid parameter %q in storage class", k)
 		}
 	}
 
@@ -198,7 +198,7 @@ func (d *Driver) CreateVolume(ctx context.Context, req *csi.CreateVolumeRequest)
 	}
 
 	if matchTags && account != "" {
-		return nil, status.Errorf(codes.InvalidArgument, fmt.Sprintf("matchTags must set as false when storageAccount(%s) is provided", account))
+		return nil, status.Errorf(codes.InvalidArgument, "matchTags must set as false when storageAccount(%s) is provided", account)
 	}
 
 	if subsID != "" && subsID != d.cloud.SubscriptionID {
@@ -271,13 +271,13 @@ func (d *Driver) CreateVolume(ctx context.Context, req *csi.CreateVolumeRequest)
 	if IsAzureStackCloud(d.cloud) {
 		accountKind = string(storage.KindStorage)
 		if storageAccountType != "" && storageAccountType != string(storage.SkuNameStandardLRS) && storageAccountType != string(storage.SkuNamePremiumLRS) {
-			return nil, status.Errorf(codes.InvalidArgument, fmt.Sprintf("Invalid skuName value: %s, as Azure Stack only supports %s and %s Storage Account types.", storageAccountType, storage.SkuNamePremiumLRS, storage.SkuNameStandardLRS))
+			return nil, status.Errorf(codes.InvalidArgument, "Invalid skuName value: %s, as Azure Stack only supports %s and %s Storage Account types.", storageAccountType, storage.SkuNamePremiumLRS, storage.SkuNameStandardLRS)
 		}
 	}
 
 	tags, err := util.ConvertTagsToMap(customTags)
 	if err != nil {
-		return nil, status.Errorf(codes.InvalidArgument, err.Error())
+		return nil, status.Errorf(codes.InvalidArgument, "%v", err)
 	}
 
 	if strings.TrimSpace(storageEndpointSuffix) == "" {
@@ -330,7 +330,7 @@ func (d *Driver) CreateVolume(ctx context.Context, req *csi.CreateVolumeRequest)
 			// search in cache first
 			cache, err := d.accountSearchCache.Get(lockKey, azcache.CacheReadTypeDefault)
 			if err != nil {
-				return nil, status.Errorf(codes.Internal, err.Error())
+				return nil, status.Errorf(codes.Internal, "%v", err)
 			}
 			if cache != nil {
 				accountName = cache.(string)
@@ -691,10 +691,10 @@ func isValidVolumeCapabilities(volCaps []*csi.VolumeCapability) error {
 func parseDays(dayStr string) (int32, error) {
 	days, err := strconv.Atoi(dayStr)
 	if err != nil {
-		return 0, status.Errorf(codes.InvalidArgument, fmt.Sprintf("invalid %s:%s in storage class", softDeleteBlobsField, dayStr))
+		return 0, status.Errorf(codes.InvalidArgument, "invalid %s:%s in storage class", softDeleteBlobsField, dayStr)
 	}
 	if days <= 0 || days > 365 {
-		return 0, status.Errorf(codes.InvalidArgument, fmt.Sprintf("invalid %s:%s in storage class, should be in range [1, 365]", softDeleteBlobsField, dayStr))
+		return 0, status.Errorf(codes.InvalidArgument, "invalid %s:%s in storage class, should be in range [1, 365]", softDeleteBlobsField, dayStr)
 	}
 
 	return int32(days), nil

pkg/blob/controllerserver_test.go

@@ -420,7 +420,7 @@ func TestCreateVolume(t *testing.T) {
 					controllerServiceCapability,
 				}
 
-				expectedErr := status.Errorf(codes.InvalidArgument, fmt.Sprintf("invalid parameter %q in storage class", "invalidparameter"))
+				expectedErr := status.Errorf(codes.InvalidArgument, "invalid parameter %q in storage class", "invalidparameter")
 				_, err := d.CreateVolume(context.Background(), req)
 				if !reflect.DeepEqual(err, expectedErr) {
 					t.Errorf("Unexpected error: %v", err)
@@ -442,7 +442,7 @@ func TestCreateVolume(t *testing.T) {
 					controllerServiceCapability,
 				}
 
-				expectedErr := status.Errorf(codes.InvalidArgument, fmt.Sprintf("invalid %s %s in storage class", "mountPermissions", "0abc"))
+				expectedErr := status.Errorf(codes.InvalidArgument, "invalid %s %s in storage class", "mountPermissions", "0abc")
 				_, err := d.CreateVolume(context.Background(), req)
 				if !reflect.DeepEqual(err, expectedErr) {
 					t.Errorf("Unexpected error: %v", err)
@@ -579,7 +579,7 @@ func TestCreateVolume(t *testing.T) {
 					controllerServiceCapability,
 				}
 
-				expectedErr := status.Errorf(codes.InvalidArgument, fmt.Sprintf("Invalid skuName value: %s, as Azure Stack only supports %s and %s Storage Account types.", "unit-test", storage.SkuNamePremiumLRS, storage.SkuNameStandardLRS))
+				expectedErr := status.Errorf(codes.InvalidArgument, "Invalid skuName value: %s, as Azure Stack only supports %s and %s Storage Account types.", "unit-test", storage.SkuNamePremiumLRS, storage.SkuNameStandardLRS)
 				_, err := d.CreateVolume(context.Background(), req)
 				if !reflect.DeepEqual(err, expectedErr) {
 					t.Errorf("Unexpected error: %v", err)

pkg/blob/nodeserver.go

@@ -99,7 +99,7 @@ func (d *Driver) NodePublishVolume(ctx context.Context, req *csi.NodePublishVolu
 		if perm := getValueInMap(context, mountPermissionsField); perm != "" {
 			var err error
 			if mountPermissions, err = strconv.ParseUint(perm, 8, 32); err != nil {
-				return nil, status.Errorf(codes.InvalidArgument, fmt.Sprintf("invalid mountPermissions %s", perm))
+				return nil, status.Errorf(codes.InvalidArgument, "invalid mountPermissions %s", perm)
 			}
 		}
 	}
@@ -128,7 +128,7 @@ func (d *Driver) NodePublishVolume(ctx context.Context, req *csi.NodePublishVolu
 		klog.Warningf("NodePublishVolume: mock mount on volumeID(%s), this is only for TESTING!!!", volumeID)
 		if err := volumehelper.MakeDir(target, os.FileMode(mountPermissions)); err != nil {
 			klog.Errorf("MakeDir failed on target: %s (%v)", target, err)
-			return nil, status.Errorf(codes.Internal, err.Error())
+			return nil, status.Errorf(codes.Internal, "%v", err)
 		}
 		return &csi.NodePublishVolumeResponse{}, nil
 	}
@@ -269,7 +269,7 @@ func (d *Driver) NodeStageVolume(ctx context.Context, req *csi.NodeStageVolumeRe
 				var err error
 				var perm uint64
 				if perm, err = strconv.ParseUint(v, 8, 32); err != nil {
-					return nil, status.Errorf(codes.InvalidArgument, fmt.Sprintf("invalid mountPermissions %s", v))
+					return nil, status.Errorf(codes.InvalidArgument, "invalid mountPermissions %s", v)
 				}
 				if perm == 0 {
 					performChmodOp = false
@@ -291,7 +291,7 @@ func (d *Driver) NodeStageVolume(ctx context.Context, req *csi.NodeStageVolumeRe
 
 	_, accountName, _, containerName, authEnv, err := d.GetAuthEnv(ctx, volumeID, protocol, attrib, secrets)
 	if err != nil {
-		return nil, status.Errorf(codes.Internal, err.Error())
+		return nil, status.Errorf(codes.Internal, "%v", err)
 	}
 
 	// replace pv/pvc name namespace metadata in subDir
@@ -372,7 +372,7 @@ func (d *Driver) NodeStageVolume(ctx context.Context, req *csi.NodeStageVolumeRe
 		klog.Warningf("NodeStageVolume: mock mount on volumeID(%s), this is only for TESTING!!!", volumeID)
 		if err := volumehelper.MakeDir(targetPath, os.FileMode(mountPermissions)); err != nil {
 			klog.Errorf("MakeDir failed on target: %s (%v)", targetPath, err)
-			return nil, status.Errorf(codes.Internal, err.Error())
+			return nil, status.Errorf(codes.Internal, "%v", err)
 		}
 		return &csi.NodeStageVolumeResponse{}, nil
 	}
@@ -484,7 +484,7 @@ func (d *Driver) NodeGetVolumeStats(_ context.Context, req *csi.NodeGetVolumeSta
 	// check if the volume stats is cached
 	cache, err := d.volStatsCache.Get(req.VolumeId, azcache.CacheReadTypeDefault)
 	if err != nil {
-		return nil, status.Errorf(codes.Internal, err.Error())
+		return nil, status.Errorf(codes.Internal, "%v", err)
 	}
 	if cache != nil {
 		resp := cache.(csi.NodeGetVolumeStatsResponse)

pkg/csi-common/utils_test.go

@@ -89,7 +89,7 @@ func TestLogGRPC(t *testing.T) {
 	klog.SetOutput(buf)
 	defer klog.SetOutput(io.Discard)
 
-	handler := func(ctx context.Context, req interface{}) (interface{}, error) { return nil, nil }
+	handler := func(_ context.Context, _ interface{}) (interface{}, error) { return nil, nil }
 	info := grpc.UnaryServerInfo{
 		FullMethod: "fake",
 	}

test/e2e/dynamic_provisioning_test.go

@@ -40,7 +40,7 @@ var _ = ginkgo.Describe("[blob-csi-e2e] Dynamic Provisioning", func() {
 		testDriver driver.PVTestDriver
 	)
 
-	ginkgo.BeforeEach(func(ctx ginkgo.SpecContext) {
+	ginkgo.BeforeEach(func(_ ginkgo.SpecContext) {
 		checkPodsRestart := testCmd{
 			command:  "sh",
 			args:     []string{"test/utils/check_driver_pods_restart.sh"},
@@ -826,7 +826,7 @@ var _ = ginkgo.Describe("[blob-csi-e2e] Dynamic Provisioning", func() {
 		test.Run(ctx, cs, ns)
 	})
 
-	ginkgo.It("[blob.csi.azure.com] verify examples", ginkgo.Label("flaky"), func(ctx ginkgo.SpecContext) {
+	ginkgo.It("[blob.csi.azure.com] verify examples", ginkgo.Label("flaky"), func(_ ginkgo.SpecContext) {
 		createExampleDeployment := testCmd{
 			command:  "bash",
 			args:     []string{"hack/verify-examples.sh"},

test/e2e/suite_test.go

@@ -100,7 +100,7 @@ var _ = ginkgo.SynchronizedBeforeSuite(func(ctx ginkgo.SpecContext) []byte {
 	}
 	execTestCmd([]testCmd{e2eBootstrap, createMetricsSVC})
 	return nil
-}, func(ctx ginkgo.SpecContext, data []byte) {
+}, func(_ ginkgo.SpecContext, _ []byte) {
 	// k8s.io/kubernetes/test/e2e/framework requires env KUBECONFIG to be set
 	// it does not fall back to defaults
 	if os.Getenv(kubeconfigEnvVar) == "" {
@@ -126,7 +126,7 @@ var _ = ginkgo.SynchronizedBeforeSuite(func(ctx ginkgo.SpecContext) []byte {
 	}()
 })
 
-var _ = ginkgo.SynchronizedAfterSuite(func(ctx ginkgo.SpecContext) {},
+var _ = ginkgo.SynchronizedAfterSuite(func(_ ginkgo.SpecContext) {},
 	func(ctx ginkgo.SpecContext) {
 		blobLog := testCmd{
 			command:     "bash",
@@ -175,7 +175,7 @@ func execTestCmd(cmds []testCmd) {
 		cmdSh.Stderr = os.Stderr
 		err := cmdSh.Run()
 		if err != nil {
-			log.Printf("Failed to run command: %s %s, Error: %s\n", cmd.command, strings.Join(cmd.args, " "), err.Error())
+			log.Printf("Failed to run command: %s %s, Error: %v\n", cmd.command, strings.Join(cmd.args, " "), err)
 			if !cmd.ignoreError {
 				gomega.Expect(err).NotTo(gomega.HaveOccurred())
 			}