// 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
}
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
}
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
}
