Add functions to inject for forward comptability with codegen

Author: pwittrock

cmd/kubebuilder-gen/internal/controllergen/inject.go

@@ -96,6 +96,8 @@ func init() {
         {{ range $group := .APIS.Groups }}{{ range $version := $group.Versions }}{{ range $res := $version.Resources -}}
         arguments.ControllerManager.AddInformerProvider(&{{.Group}}{{.Version}}.{{.Kind}}{}, factory.{{title .Group}}().{{title .Version}}().{{plural .Kind}}())
         {{ end }}{{ end }}{{ end -}}
+    
+        
     }
 
 

cmd/kubebuilder/initproject/inject.go

@@ -69,10 +69,21 @@ var (
     // SetInformers adds the informers for the apis defined in this project.
     // Should be set by code generation in this package.
     SetInformers func(args.InjectArgs, externalversions.SharedInformerFactory)
+
+    // Inject may be set by generated code 
+    Inject func(args.InjectArgs) error
+
+    // Run may be set by generated code
+    Run func(run.RunArguments) error
 )
 
 // RunAll starts all of the informers and Controllers
 func RunAll(options run.RunArguments, arguments args.InjectArgs) error {
+    if Inject != nil {
+        if err := Inject(arguments); err != nil {
+            return err
+        }
+    }
     if SetInformers != nil {
         factory := externalversions.NewSharedInformerFactory(arguments.Clientset, time.Minute * 5)
         SetInformers(arguments, factory)
@@ -85,6 +96,12 @@ func RunAll(options run.RunArguments, arguments args.InjectArgs) error {
         }
     }
     arguments.ControllerManager.RunInformersAndControllers(options)
+    
+    if Run != nil {
+        if err := Run(options); err != nil {
+            return error
+        }
+    }
     <-options.Stop
     return nil
 }