🌱 Add annotation to skip registering unmanaged volumes

pkg/constants/constants.go

@@ -252,4 +252,8 @@ const (
 	// CreatedByLabel is the label key that indicates an object was
 	// created on behalf of a VM Operator VM. The value is the name of a VM.
 	CreatedByLabel = "vmoperator.vmware.com/created-by"
+
+	// NoUnmanagedVolumesRegisterAnnotationKey is the annotation to not create any CNSRegisterVolumes
+	// by skipping the unmanaged volume register reconcile.
+	NoUnmanagedVolumesRegisterAnnotationKey = "vmoperator.vmware.com/no-unmanaged-volumes-register"
 )

pkg/vmconfig/volumes/unmanaged/register/unmanagedvolumes_register.go

@@ -117,6 +117,16 @@ func (r reconciler) Reconcile(
 
 	logger := pkglog.FromContextOrDefault(ctx)
 
+	if _, ok := vm.Annotations[pkgconst.NoUnmanagedVolumesRegisterAnnotationKey]; ok {
+		logger.Info("Skipping register unmanaged volumes because of annotation")
+		pkgcond.MarkFalse(
+			vm,
+			Condition,
+			"NoUnmanagedVolumesRegisterAnnotation",
+			"")
+		return nil
+	}
+
 	// Check if the VM is in the middle of promoting linked cloned disks.
 	for _, t := range pkgctx.GetVMRecentTasks(ctx) {
 		// If so, then return early.

pkg/vmconfig/volumes/unmanaged/register/unmanagedvolumes_register_test.go

@@ -315,6 +315,26 @@ var _ = Describe("Reconcile", func() {
 						configSpec)).To(Succeed())
 				})
 			})
+
+			When("VM has NoUnmanagedVolumesRegisterAnnotationKey annotation", func() {
+				BeforeEach(func() {
+					vm.Annotations[pkgconst.NoUnmanagedVolumesRegisterAnnotationKey] = ""
+				})
+
+				It("should return nil without error and update condition", func() {
+					Expect(unmanagedvolsreg.Reconcile(
+						ctx,
+						k8sClient,
+						vimClient,
+						vm,
+						moVM,
+						configSpec)).To(Succeed())
+					cond := pkgcond.Get(vm, unmanagedvolsreg.Condition)
+					Expect(cond).ToNot(BeNil())
+					Expect(cond.Status).To(Equal(metav1.ConditionFalse))
+					Expect(cond.Reason).To(Equal("NoUnmanagedVolumesRegisterAnnotation"))
+				})
+			})
 		})
 
 		Context("PVC creation and management", func() {