Merge pull request #3201 from helio/fix-nil-pointer

fix nil pointer for VMSS boot diagnostics

Author: k8s-ci-robot

azure/services/scalesets/scalesets.go

@@ -401,7 +401,7 @@ func (s *Service) validateSpec(ctx context.Context) error {
 	}
 
 	// Validate DiagnosticProfile spec
-	if spec.DiagnosticsProfile.Boot != nil {
+	if spec.DiagnosticsProfile != nil && spec.DiagnosticsProfile.Boot != nil {
 		if spec.DiagnosticsProfile.Boot.StorageAccountType == infrav1.UserManagedDiagnosticsStorage {
 			if spec.DiagnosticsProfile.Boot.UserManaged == nil {
 				return azure.WithTerminalError(fmt.Errorf("userManaged must be specified when storageAccountType is '%s'", infrav1.UserManagedDiagnosticsStorage))

azure/services/scalesets/scalesets_test.go

@@ -792,6 +792,27 @@ func TestReconcileVMSS(t *testing.T) {
 				}}
 				instances := newDefaultInstances()
 
+				setupDefaultVMSSInProgressOperationDoneExpectations(s, m, vmss, instances)
+				s.DeleteLongRunningOperationState(spec.Name, serviceName, infrav1.PutFuture)
+				s.DeleteLongRunningOperationState(spec.Name, serviceName, infrav1.PatchFuture)
+				s.UpdatePutStatus(infrav1.BootstrapSucceededCondition, serviceName, nil)
+				s.Location().AnyTimes().Return("test-location")
+				s.HasReplicasExternallyManaged(gomockinternal.AContext()).Return(false)
+			},
+		},
+		{
+			name:          "should not panic when DiagnosticsProfile is nil",
+			expectedError: "",
+			expect: func(g *WithT, s *mock_scalesets.MockScaleSetScopeMockRecorder, m *mock_scalesets.MockClientMockRecorder) {
+				spec := newDefaultVMSSSpec()
+				spec.DiagnosticsProfile = nil
+				s.ScaleSetSpec().Return(spec).AnyTimes()
+
+				vmss := newDefaultVMSS("VM_SIZE")
+				vmss.VirtualMachineScaleSetProperties.VirtualMachineProfile.DiagnosticsProfile = nil
+
+				instances := newDefaultInstances()
+
 				setupDefaultVMSSInProgressOperationDoneExpectations(s, m, vmss, instances)
 				s.DeleteLongRunningOperationState(spec.Name, serviceName, infrav1.PutFuture)
 				s.DeleteLongRunningOperationState(spec.Name, serviceName, infrav1.PatchFuture)