}

var _ credentials.Controller = &AggregateController{}

func (a *AggregateController) GetCertInfo(name, namespace string) (certInfo *credentials.CertInfo, err error) {
	// Search through all clusters, find first non-empty result
	var firstError error
	for _, c := range a.controllers {
		certInfo, err := c.GetCertInfo(name, namespace)
		if err != nil {
			if firstError == nil {
				firstError = err
			}
		} else {

	// The certificate chain
	Cert []byte
	// The private key
	Key []byte
	// The oscp staple
	Staple []byte
	// Certificate Revocation List information
	CRL []byte
}

type Controller interface {
	GetCertInfo(name, namespace string) (certInfo *CertInfo, err error)
	GetCaCert(name, namespace string) (certInfo *CertInfo, err error)
	GetDockerCredential(name, namespace string) (cred []byte, err error)