code: func (e *Signer) getConfigMap() *v1.ConfigMap {
  	configMap, err := e.configMapLister.ConfigMaps(e.configMapNamespace).Get(e.configMapName)
  
  	// If we can't get the configmap just return nil. The resync will eventually
  	// sync things up.
  	if err != nil {
  		if !apierrors.IsNotFound(err) {
  			utilruntime.HandleError(err)
  		}
  		return nil
  	}
  
  	return configMap
  }
docs: // getConfigMap gets the ConfigMap we are interested in