Make ReconcileOptions reusable

pkg/kubectl/cmd/auth/reconcile.go

@@ -35,9 +35,9 @@ import (
 // ReconcileOptions is the start of the data required to perform the operation.  As new fields are added, add them here instead of
 // referencing the cmd.Flags()
 type ReconcileOptions struct {
-	ResourceBuilder *resource.Builder
+	Visitor         resource.Visitor
 	RBACClient      internalrbacclient.RbacInterface
-	CoreClient      internalcoreclient.CoreInterface
+	NamespaceClient internalcoreclient.NamespaceInterface
 
 	Print func(*resource.Info) error
 
@@ -92,18 +92,24 @@ func (o *ReconcileOptions) Complete(cmd *cobra.Command, f cmdutil.Factory, args
 	if err != nil {
 		return err
 	}
-	o.ResourceBuilder = f.NewBuilder().
+
+	r := f.NewBuilder().
 		ContinueOnError().
 		NamespaceParam(namespace).DefaultNamespace().
 		FilenameParam(enforceNamespace, options).
-		Flatten()
+		Flatten().
+		Do()
+	if err := r.Err(); err != nil {
+		return err
+	}
+	o.Visitor = r
 
 	client, err := f.ClientSet()
 	if err != nil {
 		return err
 	}
 	o.RBACClient = client.Rbac()
-	o.CoreClient = client.Core()
+	o.NamespaceClient = client.Core().Namespaces()
 
 	mapper, _ := f.Object()
 	dryRun := false
@@ -121,17 +127,29 @@ func (o *ReconcileOptions) Complete(cmd *cobra.Command, f cmdutil.Factory, args
 }
 
 func (o *ReconcileOptions) Validate() error {
+	if o.Visitor == nil {
+		return errors.New("ReconcileOptions.Visitor must be set")
+	}
+	if o.RBACClient == nil {
+		return errors.New("ReconcileOptions.RBACClient must be set")
+	}
+	if o.NamespaceClient == nil {
+		return errors.New("ReconcileOptions.NamespaceClient must be set")
+	}
+	if o.Print == nil {
+		return errors.New("ReconcileOptions.Print must be set")
+	}
+	if o.Out == nil {
+		return errors.New("ReconcileOptions.Out must be set")
+	}
+	if o.Err == nil {
+		return errors.New("ReconcileOptions.Err must be set")
+	}
 	return nil
 }
 
 func (o *ReconcileOptions) RunReconcile() error {
-	r := o.ResourceBuilder.Do()
-	err := r.Err()
-	if err != nil {
-		return err
-	}
-
-	err = r.Visit(func(info *resource.Info, err error) error {
+	return o.Visitor.Visit(func(info *resource.Info, err error) error {
 		if err != nil {
 			return err
 		}
@@ -147,7 +165,7 @@ func (o *ReconcileOptions) RunReconcile() error {
 				RemoveExtraPermissions: false,
 				Role: reconciliation.RoleRuleOwner{Role: t},
 				Client: reconciliation.RoleModifier{
-					NamespaceClient: o.CoreClient.Namespaces(),
+					NamespaceClient: o.NamespaceClient,
 					Client:          o.RBACClient,
 				},
 			}
@@ -181,7 +199,7 @@ func (o *ReconcileOptions) RunReconcile() error {
 				RoleBinding:         reconciliation.RoleBindingAdapter{RoleBinding: t},
 				Client: reconciliation.RoleBindingClientAdapter{
 					Client:          o.RBACClient,
-					NamespaceClient: o.CoreClient.Namespaces(),
+					NamespaceClient: o.NamespaceClient,
 				},
 			}
 			result, err := reconcileOptions.Run()
@@ -214,6 +232,4 @@ func (o *ReconcileOptions) RunReconcile() error {
 
 		return nil
 	})
-
-	return err
 }