// NewForConfig creates a new Clientset for the given config. func NewForConfig(c *restclient.Config) (*Clientset, error) { configShallowCopy := *c if configShallowCopy.RateLimiter == nil && configShallowCopy.QPS > 0 { configShallowCopy.RateLimiter = flowcontrol.NewTokenBucketRateLimiter(configShallowCopy.QPS, configShallowCopy.Burst) } var clientset Clientset var err error clientset.CoreClient, err = unversionedcore.NewForConfig(&configShallowCopy) if err != nil { return nil, err } clientset.ExtensionsClient, err = unversionedextensions.NewForConfig(&configShallowCopy) if err != nil { return nil, err } clientset.AutoscalingClient, err = unversionedautoscaling.NewForConfig(&configShallowCopy) if err != nil { return nil, err } clientset.BatchClient, err = unversionedbatch.NewForConfig(&configShallowCopy) if err != nil { return nil, err } clientset.RbacClient, err = unversionedrbac.NewForConfig(&configShallowCopy) if err != nil { return nil, err } clientset.DiscoveryClient, err = discovery.NewDiscoveryClientForConfig(&configShallowCopy) if err != nil { glog.Errorf("failed to create the DiscoveryClient: %v", err) return nil, err } return &clientset, nil }
func PostStartHook(hookContext genericapiserver.PostStartHookContext) error { clientset, err := rbacclient.NewForConfig(hookContext.LoopbackClientConfig) if err != nil { utilruntime.HandleError(fmt.Errorf("unable to initialize clusterroles: %v", err)) return nil } existingClusterRoles, err := clientset.ClusterRoles().List(api.ListOptions{}) if err != nil { utilruntime.HandleError(fmt.Errorf("unable to initialize clusterroles: %v", err)) return nil } // if clusterroles already exist, then assume we don't have work to do because we've already // initialized or another API server has started this task if len(existingClusterRoles.Items) > 0 { return nil } for _, clusterRole := range append(bootstrappolicy.ClusterRoles(), bootstrappolicy.ControllerRoles()...) { if _, err := clientset.ClusterRoles().Create(&clusterRole); err != nil { // don't fail on failures, try to create as many as you can utilruntime.HandleError(fmt.Errorf("unable to initialize clusterroles: %v", err)) continue } glog.Infof("Created clusterrole.%s/%s", rbac.GroupName, clusterRole.Name) } return nil }