func newPostStartHook(directClusterRoleAccess *clusterroleetcd.REST) genericapiserver.PostStartHookFunc {
return func(genericapiserver.PostStartHookContext) error {
ctx := api.NewContext()
existingClusterRoles, err := directClusterRoleAccess.List(ctx, &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.(*rbac.ClusterRoleList).Items) > 0 {
return nil
}
for _, clusterRole := range append(bootstrappolicy.ClusterRoles(), bootstrappolicy.ControllerRoles()...) {
if _, err := directClusterRoleAccess.Create(ctx, &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
}
}
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
}
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 TestBootstrapControllerRoles(t *testing.T) {
list := &api.List{}
names := sets.NewString()
roles := map[string]runtime.Object{}
bootstrapRoles := bootstrappolicy.ControllerRoles()
for i := range bootstrapRoles {
role := bootstrapRoles[i]
names.Insert(role.Name)
roles[role.Name] = &role
}
for _, name := range names.List() {
list.Items = append(list.Items, roles[name])
}
testObjects(t, list, "controller-roles.yaml")
}