func newCertificateAuthority() (*rsa.PrivateKey, *x509.Certificate, error) {
key, err := certutil.NewPrivateKey()
if err != nil {
return nil, nil, fmt.Errorf("unable to create private key [%v]", err)
}
config := certutil.Config{
CommonName: "kubernetes",
}
cert, err := certutil.NewSelfSignedCACert(config, key)
if err != nil {
return nil, nil, fmt.Errorf("unable to create self-signed certificate [%v]", err)
}
return key, cert, nil
}
func NewCA(name string) (*KeyPair, error) {
key, err := certutil.NewPrivateKey()
if err != nil {
return nil, fmt.Errorf("unable to create a private key for a new CA: %v", err)
}
config := certutil.Config{
CommonName: name,
}
cert, err := certutil.NewSelfSignedCACert(config, key)
if err != nil {
return nil, fmt.Errorf("unable to create a self-signed certificate for a new CA: %v", err)
}
return &KeyPair{
Key: key,
Cert: cert,
}, nil
}