chore: enable var-declaration from revive (#8636)

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

.github/workflows/pr-codespell.yml

@@ -13,7 +13,7 @@ jobs:
     - name: Codespell
       uses: codespell-project/actions-codespell@master
       with:
-        # ignore the config/.../crd.go file as it's generated binary data that is edited elswhere.
+        # ignore the config/.../crd.go file as it's generated binary data that is edited elsewhere.
         skip: .git,*.png,*.jpg,*.woff,*.ttf,*.gif,*.ico,./config/crd/v1beta1/crds/crds.go,./config/crd/v1/crds/crds.go,./config/crd/v2alpha1/crds/crds.go,./go.sum,./LICENSE
         ignore_words_list: iam,aks,ist,bridget,ue,shouldnot,atleast,notin,sme,optin
         check_filenames: true

.golangci.yaml

@@ -240,7 +240,6 @@ linters-settings:
       - name: context-as-argument
         disabled: true
       - name: context-keys-type
-        disabled: false
       - name: dot-imports
         disabled: true
       - name: early-return
@@ -262,7 +261,6 @@ linters-settings:
       - name: indent-error-flow
         disabled: true
       - name: range
-        disabled: false
       - name: receiver-naming
         disabled: true
       - name: redefines-builtin-id
@@ -272,19 +270,16 @@ linters-settings:
         arguments:
           - "preserveScope"
       - name: time-naming
-        disabled: false
       - name: unexported-return
         disabled: true
       - name: unnecessary-stmt
         disabled: true
       - name: unreachable-code
-        disabled: false
       - name: unused-parameter
         disabled: true
       - name: use-any
         disabled: true
       - name: var-declaration
-        disabled: true
       - name: var-naming
         disabled: true
     
@@ -333,7 +328,7 @@ linters-settings:
     force-case-trailing-whitespace: 0
     # Force cuddling of err checks with err var assignment
     force-err-cuddling: false
-    # Allow leading comments to be separated with empty liens
+    # Allow leading comments to be separated with empty lines
     allow-separated-leading-comment: false
 
 linters:

internal/volume/volumes_information.go

@@ -830,7 +830,7 @@ func (t *RestoreVolumeInfoTracker) Result() []*RestoreVolumeInfo {
 			continue
 		}
 		pvcNS, pvcName := n[0], n[1]
-		var restoreSize int64 = 0
+		var restoreSize int64
 		if csiSnapshot.Status != nil && csiSnapshot.Status.RestoreSize != nil {
 			restoreSize = csiSnapshot.Status.RestoreSize.Value()
 		}

internal/volumehelper/volume_policy_helper_test.go

@@ -314,7 +314,7 @@ func TestVolumeHelperImpl_ShouldPerformSnapshot(t *testing.T) {
 				fakeClient.Create(context.Background(), tc.pod)
 			}
 
-			var p *resourcepolicies.Policies = nil
+			var p *resourcepolicies.Policies
 			if tc.resourcePolicies != nil {
 				p = &resourcepolicies.Policies{}
 				err := p.BuildPolicy(tc.resourcePolicies)
@@ -679,7 +679,7 @@ func TestVolumeHelperImpl_ShouldPerformFSBackup(t *testing.T) {
 				fakeClient.Create(context.Background(), tc.pod)
 			}
 
-			var p *resourcepolicies.Policies = nil
+			var p *resourcepolicies.Policies
 			if tc.resourcePolicies != nil {
 				p = &resourcepolicies.Policies{}
 				err := p.BuildPolicy(tc.resourcePolicies)

pkg/backup/backup.go

@@ -352,7 +352,7 @@ func (kb *kubernetesBackupper) BackupWithResolvers(
 	}
 	backupRequest.Status.Progress = &velerov1api.BackupProgress{TotalItems: len(items)}
 
-	var resourcePolicy *resourcepolicies.Policies = nil
+	var resourcePolicy *resourcepolicies.Policies
 	if backupRequest.ResPolicies != nil {
 		resourcePolicy = backupRequest.ResPolicies
 	}

pkg/cmd/cli/restore/create.go

@@ -299,7 +299,7 @@ func (o *CreateOptions) Run(c *cobra.Command, f client.Factory) error {
 		}
 	}
 
-	var resModifiers *corev1.TypedLocalObjectReference = nil
+	var resModifiers *corev1.TypedLocalObjectReference
 
 	if o.ResourceModifierConfigMap != "" {
 		resModifiers = &corev1.TypedLocalObjectReference{

pkg/cmd/const.go

@@ -1,3 +1,3 @@
 package cmd
 
-var TRUE string = "true"
+var TRUE = "true"

pkg/cmd/test/const.go

@@ -1,4 +1,4 @@
 package test
 
-var VeleroNameSpace string = "velero-test"
-var CaptureFlag string = "CAPTRUE-OUTPUT"
+var VeleroNameSpace = "velero-test"
+var CaptureFlag = "CAPTRUE-OUTPUT"

pkg/controller/data_download_controller_test.go

@@ -72,7 +72,7 @@ func dataDownloadBuilder() *builder.DataDownloadBuilder {
 }
 
 func initDataDownloadReconciler(objects []runtime.Object, needError ...bool) (*DataDownloadReconciler, error) {
-	var errs []error = make([]error, 6)
+	var errs = make([]error, 6)
 	for k, isError := range needError {
 		if k == 0 && isError {
 			errs[0] = fmt.Errorf("Get error")

pkg/controller/data_upload_controller_test.go

@@ -121,7 +121,7 @@ func (c *FakeClient) List(ctx context.Context, list kbclient.ObjectList, opts ..
 }
 
 func initDataUploaderReconciler(needError ...bool) (*DataUploadReconciler, error) {
-	var errs []error = make([]error, 6)
+	var errs = make([]error, 6)
 	for k, isError := range needError {
 		if k == 0 && isError {
 			errs[0] = fmt.Errorf("Get error")

pkg/controller/restore_controller.go

@@ -396,7 +396,7 @@ func (r *restoreReconciler) validateAndComplete(restore *api.Restore) (backupInf
 		restore.Spec.ScheduleName = info.backup.GetLabels()[api.ScheduleNameLabel]
 	}
 
-	var resourceModifiers *resourcemodifiers.ResourceModifiers = nil
+	var resourceModifiers *resourcemodifiers.ResourceModifiers
 	if restore.Spec.ResourceModifier != nil && strings.EqualFold(restore.Spec.ResourceModifier.Kind, resourcemodifiers.ConfigmapRefType) {
 		ResourceModifierConfigMap := &corev1api.ConfigMap{}
 		err := r.kbClient.Get(context.Background(), client.ObjectKey{Namespace: restore.Namespace, Name: restore.Spec.ResourceModifier.Name}, ResourceModifierConfigMap)

pkg/datapath/micro_service_watcher.go

@@ -251,7 +251,7 @@ var funcRedirectLog = redirectDataMoverLogs
 var funcGetResultFromMessage = getResultFromMessage
 var funcGetProgressFromMessage = getProgressFromMessage
 
-var eventWaitTimeout time.Duration = time.Minute
+var eventWaitTimeout = time.Minute
 
 func (ms *microServiceBRWatcher) startWatch() {
 	ms.wgWatcher.Add(1)

pkg/exposer/csi_snapshot.go

@@ -539,7 +539,7 @@ func (e *csiSnapshotExposer) createBackupPod(
 		return nil, errors.Wrap(err, "error to get inherited pod info from node-agent")
 	}
 
-	var gracePeriod int64 = 0
+	var gracePeriod int64
 	volumeMounts, volumeDevices, volumePath := kube.MakePodPVCAttachment(volumeName, backupPVC.Spec.VolumeMode, backupPVCReadOnly)
 	volumeMounts = append(volumeMounts, podInfo.volumeMounts...)
 

pkg/exposer/generic_restore.go

@@ -386,7 +386,7 @@ func (e *genericRestoreExposer) createRestorePod(ctx context.Context, ownerObjec
 		return nil, errors.Wrap(err, "error to get inherited pod info from node-agent")
 	}
 
-	var gracePeriod int64 = 0
+	var gracePeriod int64
 	volumeMounts, volumeDevices, volumePath := kube.MakePodPVCAttachment(volumeName, targetPVC.Spec.VolumeMode, false)
 	volumeMounts = append(volumeMounts, podInfo.volumeMounts...)
 

pkg/restore/pv_restorer.go

@@ -92,7 +92,7 @@ func (r *pvRestorer) executePVAction(obj *unstructured.Unstructured) (*unstructu
 	if !ok {
 		return nil, errors.Errorf("unexpected type %T", updated1)
 	}
-	var iops int64 = 0
+	var iops int64
 	if snapshotInfo.volumeIOPS != nil {
 		iops = *snapshotInfo.volumeIOPS
 	}

pkg/util/kube/event.go

@@ -128,7 +128,7 @@ func (er *eventRecorder) EndingEvent(object runtime.Object, warning bool, reason
 	}
 }
 
-var shutdownTimeout time.Duration = time.Minute
+var shutdownTimeout = time.Minute
 
 func (er *eventRecorder) Shutdown() {
 	var wait chan struct{}

pkg/util/kube/pvc_pv.go

@@ -356,8 +356,8 @@ func IsPVCBound(pvc *corev1api.PersistentVolumeClaim) bool {
 
 // MakePodPVCAttachment returns the volume mounts and devices for a pod needed to attach a PVC
 func MakePodPVCAttachment(volumeName string, volumeMode *corev1api.PersistentVolumeMode, readOnly bool) ([]corev1api.VolumeMount, []corev1api.VolumeDevice, string) {
-	var volumeMounts []corev1api.VolumeMount = nil
-	var volumeDevices []corev1api.VolumeDevice = nil
+	var volumeMounts []corev1api.VolumeMount
+	var volumeDevices []corev1api.VolumeDevice
 	volumePath := "/" + volumeName
 
 	if volumeMode != nil && *volumeMode == corev1api.PersistentVolumeBlock {

pkg/util/third_party.go

@@ -16,6 +16,6 @@ limitations under the License.
 
 package util
 
-var ThirdPartyLabels []string = []string{
+var ThirdPartyLabels = []string{
 	"azure.workload.identity/use",
 }