handler, ok := rm.cas[name]
	if !ok {
		return false, errors.Errorf("%s is not a known certificate", name)
	}

	return handler.readwriter.Exists()
}

// GetCAExpirationInfo returns CA expiration info.
func (rm *Manager) GetCAExpirationInfo(name string) (*ExpirationInfo, error) {
	handler, ok := rm.cas[name]
	if !ok {
		return nil, errors.Errorf("%s is not a known CA", name)
	}

				Name:    handler.Name,
				Missing: true,
			})
		}
	}

	for _, handler := range rm.CAs() {
		if ok, _ := rm.CAExists(handler.Name); ok {
			e, err := rm.GetCAExpirationInfo(handler.Name)
			if err != nil {
				return nil, err
			}
			info.CertificateAuthorities = append(info.CertificateAuthorities, outputapiv1alpha3.Certificate{
				Name:                e.Name,