docs/libmachine/cert/bootstrap.go

75 lines
2.1 KiB
Go

package cert
import (
"errors"
"fmt"
"os"
"github.com/docker/machine/libmachine/auth"
"github.com/docker/machine/libmachine/log"
"github.com/docker/machine/libmachine/mcnutils"
)
func BootstrapCertificates(authOptions *auth.AuthOptions) error {
certDir := authOptions.CertDir
caCertPath := authOptions.CaCertPath
caPrivateKeyPath := authOptions.CaPrivateKeyPath
clientCertPath := authOptions.ClientCertPath
clientKeyPath := authOptions.ClientKeyPath
// TODO: I'm not super happy about this use of "org", the user should
// have to specify it explicitly instead of implicitly basing it on
// $USER.
org := mcnutils.GetUsername()
bits := 2048
if _, err := os.Stat(certDir); err != nil {
if os.IsNotExist(err) {
if err := os.MkdirAll(certDir, 0700); err != nil {
return fmt.Errorf("Creating machine certificate dir failed: %s", err)
}
} else {
return err
}
}
if _, err := os.Stat(caCertPath); os.IsNotExist(err) {
log.Infof("Creating CA: %s", caCertPath)
// check if the key path exists; if so, error
if _, err := os.Stat(caPrivateKeyPath); err == nil {
return errors.New("The CA key already exists. Please remove it or specify a different key/cert.")
}
if err := GenerateCACertificate(caCertPath, caPrivateKeyPath, org, bits); err != nil {
return fmt.Errorf("Generating CA certificate failed: %s", err)
}
}
if _, err := os.Stat(clientCertPath); os.IsNotExist(err) {
log.Infof("Creating client certificate: %s", clientCertPath)
if _, err := os.Stat(certDir); err != nil {
if os.IsNotExist(err) {
if err := os.Mkdir(certDir, 0700); err != nil {
return fmt.Errorf("Creating machine client cert dir failed: %s", err)
}
} else {
return err
}
}
// check if the key path exists; if so, error
if _, err := os.Stat(clientKeyPath); err == nil {
return errors.New("The client key already exists. Please remove it or specify a different key/cert.")
}
if err := GenerateCert([]string{""}, clientCertPath, clientKeyPath, caCertPath, caPrivateKeyPath, org, bits); err != nil {
return fmt.Errorf("Generating client certificate failed: %s", err)
}
}
return nil
}