Beispiel #1
0
// registerManagedInstance checks for activation credentials and performs managed instance registration when present
func registerManagedInstance() (managedInstanceID string, err error) {
	// try to activate the instance with the activation credentials
	publicKey, privateKey, keyType, err := registration.GenerateKeyPair()
	if err != nil {
		return managedInstanceID, fmt.Errorf("error generating signing keys. %v", err)
	}

	// checking write access before registering
	err = registration.UpdateServerInfo("", "", privateKey, keyType)
	if err != nil {
		return managedInstanceID,
			fmt.Errorf("Unable to save registration information. %v\nTry running as sudo/administrator.", err)
	}

	// generate fingerprint
	fingerprint, err := registration.Fingerprint()
	if err != nil {
		return managedInstanceID, fmt.Errorf("error generating instance fingerprint. %v", err)
	}

	service := anonauth.NewAnonymousService(region)
	managedInstanceID, err = service.RegisterManagedInstance(
		activationCode,
		activationID,
		publicKey,
		keyType,
		fingerprint,
	)

	if err != nil {
		return managedInstanceID, fmt.Errorf("error registering the instance with AWS SSM. %v", err)
	}

	err = registration.UpdateServerInfo(managedInstanceID, region, privateKey, keyType)
	if err != nil {
		return managedInstanceID, fmt.Errorf("error persisting the instance registration information. %v", err)
	}

	// saving registration information to the registration file
	reg := map[string]string{
		"ManagedInstanceID": managedInstanceID,
		"Region":            region,
	}

	var regData []byte
	if regData, err = json.Marshal(reg); err != nil {
		return "", fmt.Errorf("Failed to marshal registration info. %v", err)
	}

	if err = ioutil.WriteFile(registrationFile, regData, appconfig.ReadWriteAccess); err != nil {
		return "", fmt.Errorf("Failed to write registration info to file. %v", err)
	}

	return managedInstanceID, nil
}
Beispiel #2
0
// clearRegistration clears any existing registration data
func clearRegistration(log logger.T) (exitCode int) {
	err := registration.UpdateServerInfo("", "", "", "")
	if err == nil {
		log.Info("Registration information has been removed from the instance.")
		return 0
	}
	log.Errorf("error clearing the instance registration information. %v\nTry running as sudo/administrator.", err)
	return 1
}