func()

in cmd/generate.go [141:209]
59 lines of code
19 McCabe index (conditional complexity)

func (gc *generateCmd) loadAPIModel() error {
	var caCertificateBytes []byte
	var caKeyBytes []byte
	var err error

	apiloader := &api.Apiloader{
		Translator: &i18n.Translator{
			Locale: gc.locale,
		},
	}
	gc.containerService, gc.apiVersion, err = apiloader.LoadContainerServiceFromFile(gc.apimodelPath, false, false, nil)
	if err != nil {
		return errors.Wrap(err, "error parsing the api model")
	}

	if gc.containerService.Properties.MasterProfile == nil {
		return errors.New("MasterProfile can't be nil")
	}

	if gc.outputDirectory == "" {
		gc.outputDirectory = path.Join("_output", gc.containerService.Properties.MasterProfile.DNSPrefix)
	}

	// consume gc.caCertificatePath and gc.caPrivateKeyPath

	if (gc.caCertificatePath != "" && gc.caPrivateKeyPath == "") || (gc.caCertificatePath == "" && gc.caPrivateKeyPath != "") {
		return errors.New("--ca-certificate-path and --ca-private-key-path must be specified together")
	}
	if gc.caCertificatePath != "" {
		if caCertificateBytes, err = os.ReadFile(gc.caCertificatePath); err != nil {
			return errors.Wrap(err, "failed to read CA certificate file")
		}
		if caKeyBytes, err = os.ReadFile(gc.caPrivateKeyPath); err != nil {
			return errors.Wrap(err, "failed to read CA private key file")
		}

		prop := gc.containerService.Properties
		if prop.CertificateProfile == nil {
			prop.CertificateProfile = &api.CertificateProfile{}
		}
		prop.CertificateProfile.CaCertificate = string(caCertificateBytes)
		prop.CertificateProfile.CaPrivateKey = string(caKeyBytes)
	}

	if gc.containerService.Properties.IsAzureStackCloud() {
		if gc.containerService.Properties.MasterProfile.Distro == api.AKSUbuntu1604 {
			log.Errorln("Distro 'aks-ubuntu-16.04' is not longer supported on Azure Stack Hub, use 'aks-ubuntu-20.04' instead")
			return errors.New("invalid master profile distro 'aks-ubuntu-16.04'")
		} else if gc.containerService.Properties.MasterProfile.Distro == api.AKSUbuntu1804 {
			log.Errorln("Distro 'aks-ubuntu-18.04' is not longer supported on Azure Stack Hub, use 'aks-ubuntu-20.04' instead")
			return errors.New("invalid master profile distro 'aks-ubuntu-18.04'")
		}

		for _, app := range gc.containerService.Properties.AgentPoolProfiles {
			if app.Distro == api.AKSUbuntu1604 {
				log.Errorln("Distro 'aks-ubuntu-16.04' is not longer supported on Azure Stack Hub, use 'aks-ubuntu-20.04' instead")
				return errors.New("invalid agent pool profile distro 'aks-ubuntu-16.04'")
			} else if app.Distro == api.AKSUbuntu1804 {
				log.Errorln("Distro 'aks-ubuntu-18.04' is not longer supported on Azure Stack Hub, use 'aks-ubuntu-20.04' instead")
				return errors.New("invalid agent pool profile distro 'aks-ubuntu-18.04'")
			}
		}
	}

	if err = gc.autofillApimodel(); err != nil {
		return err
	}
	return nil
}