// DeleteController deletes a ReplicationController specified by its ID.
func (r *Registry) DeleteController(ctx api.Context, controllerID string) error {
key, err := makeControllerKey(ctx, controllerID)
if err != nil {
return err
}
err = r.Delete(key, false)
return etcderr.InterpretDeleteError(err, "replicationController", controllerID)
}
// Delete removes the item from etcd.
func (e *Etcd) Delete(ctx api.Context, name string, options *api.DeleteOptions) (runtime.Object, error) {
key, err := e.KeyFunc(ctx, name)
if err != nil {
return nil, err
}
obj := e.NewFunc()
trace := util.NewTrace("Delete " + reflect.TypeOf(obj).String())
defer trace.LogIfLong(time.Second)
trace.Step("About to read object")
if err := e.Helper.ExtractObj(key, obj, false); err != nil {
return nil, etcderr.InterpretDeleteError(err, e.EndpointName, name)
}
// support older consumers of delete by treating "nil" as delete immediately
if options == nil {
options = api.NewDeleteOptions(0)
}
graceful, pendingGraceful, err := rest.BeforeDelete(e.DeleteStrategy, ctx, obj, options)
if err != nil {
return nil, err
}
if pendingGraceful {
return e.finalizeDelete(obj, false)
}
if graceful && *options.GracePeriodSeconds != 0 {
trace.Step("Graceful deletion")
out := e.NewFunc()
if err := e.Helper.SetObj(key, obj, out, uint64(*options.GracePeriodSeconds)); err != nil {
return nil, etcderr.InterpretUpdateError(err, e.EndpointName, name)
}
return e.finalizeDelete(out, true)
}
// delete immediately, or no graceful deletion supported
out := e.NewFunc()
trace.Step("About to delete object")
if err := e.Helper.DeleteObj(key, out); err != nil {
return nil, etcderr.InterpretDeleteError(err, e.EndpointName, name)
}
return e.finalizeDelete(out, true)
}
// DeleteService deletes a Service specified by its name.
func (r *Registry) DeleteService(ctx api.Context, name string) error {
key, err := makeServiceKey(ctx, name)
if err != nil {
return err
}
err = r.Delete(key, true)
if err != nil {
return etcderr.InterpretDeleteError(err, "service", name)
}
// TODO: can leave dangling endpoints, and potentially return incorrect
// endpoints if a new service is created with the same name
err = r.endpoints.DeleteEndpoints(ctx, name)
if err != nil && !errors.IsNotFound(err) {
return err
}
return nil
}