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| func GenK8sUser(cn,o string) {
caCert,caPriKey:= parseK8sCA(CAFILE,CAKEY)
if cn == "" {
goft.Error(fmt.Errorf("CN is required"))
}
certTemplate := &x509.Certificate{
SerialNumber: big.NewInt(rd.Int63()),
Subject: pkix.Name{
Country: []string{"CN"},
Organization: []string{o},
Province: []string{"beijing"},
CommonName: cn,
Locality: []string{"beijing"},
},
NotBefore: time.Now(),
NotAfter: time.Now().AddDate(1, 0, 0),
BasicConstraintsValid: true,
IsCA: false,
ExtKeyUsage: []x509.ExtKeyUsage{x509.ExtKeyUsageClientAuth, x509.ExtKeyUsageServerAuth},
KeyUsage: x509.KeyUsageDigitalSignature | x509.KeyUsageDataEncipherment,
EmailAddresses: []string{"UserAccount@example.com"},
}
priKey, err := rsa.GenerateKey(rand.Reader, 2048)
if err != nil {
return
}
clientCert, err := x509.CreateCertificate(rand.Reader, certTemplate, caCert, &priKey.PublicKey, caPriKey)
if err != nil {
return
}
clientCertPem := &pem.Block{
Type: "CERTIFICATE",
Bytes: clientCert,
}
certName:= fmt.Sprintf("./k8susers/%s.pem",cn)
clientCertFile, err := os.OpenFile(certName, os.O_WRONLY|os.O_CREATE|os.O_TRUNC, 0600)
if err != nil {
log.Fatal(err)
}
err = pem.Encode(clientCertFile, clientCertPem)
if err != nil {
log.Fatal(err)
}
buf := x509.MarshalPKCS1PrivateKey(priKey)
keyPem := &pem.Block{
Type: "PRIVATE KEY",
Bytes: buf,
}
certKeyName:= fmt.Sprintf("./k8susers/%s_key.pem",cn)
clientKeyFile, _ := os.OpenFile(certKeyName, os.O_WRONLY|os.O_CREATE|os.O_TRUNC, 0600)
err = pem.Encode(clientKeyFile, keyPem)
if err != nil {
log.Fatal(err)
}
}
|
