Example #1
0
// 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 cs Clientset
	var err error
	cs.CoreClient, err = internalversioncore.NewForConfig(&configShallowCopy)
	if err != nil {
		return nil, err
	}
	cs.AppsClient, err = internalversionapps.NewForConfig(&configShallowCopy)
	if err != nil {
		return nil, err
	}
	cs.AuthenticationClient, err = internalversionauthentication.NewForConfig(&configShallowCopy)
	if err != nil {
		return nil, err
	}
	cs.AuthorizationClient, err = internalversionauthorization.NewForConfig(&configShallowCopy)
	if err != nil {
		return nil, err
	}
	cs.AutoscalingClient, err = internalversionautoscaling.NewForConfig(&configShallowCopy)
	if err != nil {
		return nil, err
	}
	cs.BatchClient, err = internalversionbatch.NewForConfig(&configShallowCopy)
	if err != nil {
		return nil, err
	}
	cs.CertificatesClient, err = internalversioncertificates.NewForConfig(&configShallowCopy)
	if err != nil {
		return nil, err
	}
	cs.ExtensionsClient, err = internalversionextensions.NewForConfig(&configShallowCopy)
	if err != nil {
		return nil, err
	}
	cs.PolicyClient, err = internalversionpolicy.NewForConfig(&configShallowCopy)
	if err != nil {
		return nil, err
	}
	cs.RbacClient, err = internalversionrbac.NewForConfig(&configShallowCopy)
	if err != nil {
		return nil, err
	}
	cs.StorageClient, err = internalversionstorage.NewForConfig(&configShallowCopy)
	if err != nil {
		return nil, err
	}

	cs.DiscoveryClient, err = discovery.NewDiscoveryClientForConfig(&configShallowCopy)
	if err != nil {
		glog.Errorf("failed to create the DiscoveryClient: %v", err)
		return nil, err
	}
	return &cs, nil
}
Example #2
0
func PostStartHook(hookContext genericapiserver.PostStartHookContext) error {
	// intializing roles is really important.  On some e2e runs, we've seen cases where etcd is down when the server
	// starts, the roles don't initialize, and nothing works.
	err := wait.Poll(1*time.Second, 30*time.Second, func() (done bool, err error) {
		clientset, err := rbacclient.NewForConfig(hookContext.LoopbackClientConfig)
		if err != nil {
			utilruntime.HandleError(fmt.Errorf("unable to initialize clusterroles: %v", err))
			return false, nil
		}

		existingClusterRoles, err := clientset.ClusterRoles().List(api.ListOptions{})
		if err != nil {
			utilruntime.HandleError(fmt.Errorf("unable to initialize clusterroles: %v", err))
			return false, nil
		}
		// only initialized on empty etcd
		if len(existingClusterRoles.Items) == 0 {
			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)
			}
		}

		existingClusterRoleBindings, err := clientset.ClusterRoleBindings().List(api.ListOptions{})
		if err != nil {
			utilruntime.HandleError(fmt.Errorf("unable to initialize clusterrolebindings: %v", err))
			return false, nil
		}
		// only initialized on empty etcd
		if len(existingClusterRoleBindings.Items) == 0 {
			for _, clusterRoleBinding := range append(bootstrappolicy.ClusterRoleBindings(), bootstrappolicy.ControllerRoleBindings()...) {
				if _, err := clientset.ClusterRoleBindings().Create(&clusterRoleBinding); err != nil {
					// don't fail on failures, try to create as many as you can
					utilruntime.HandleError(fmt.Errorf("unable to initialize clusterrolebindings: %v", err))
					continue
				}
				glog.Infof("Created clusterrolebinding.%s/%s", rbac.GroupName, clusterRoleBinding.Name)
			}
		}

		return true, nil
	})
	// if we're never able to make it through intialization, kill the API server
	if err != nil {
		return fmt.Errorf("unable to initialize roles: %v", err)
	}

	return nil
}
Example #3
0
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)
	}

	existingClusterRoleBindings, err := clientset.ClusterRoleBindings().List(api.ListOptions{})
	if err != nil {
		utilruntime.HandleError(fmt.Errorf("unable to initialize clusterrolebindings: %v", err))
		return nil
	}
	// if clusterrolebindings 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(existingClusterRoleBindings.Items) > 0 {
		return nil
	}

	for _, clusterRoleBinding := range append(bootstrappolicy.ClusterRoleBindings(), bootstrappolicy.ControllerRoleBindings()...) {
		if _, err := clientset.ClusterRoleBindings().Create(&clusterRoleBinding); err != nil {
			// don't fail on failures, try to create as many as you can
			utilruntime.HandleError(fmt.Errorf("unable to initialize clusterrolebindings: %v", err))
			continue
		}
		glog.Infof("Created clusterrolebinding.%s/%s", rbac.GroupName, clusterRoleBinding.Name)
	}

	return nil
}