func setDeploymentContainerImage()

in pkg/cmdhelpers/workflow_helpers.go [58:94]

• 30 lines of code
• 7 McCabe index (conditional complexity)

func setDeploymentContainerImage(filePath, productionImage string) error {

	decode := scheme.Codecs.UniversalDeserializer().Decode
	file, err := os.ReadFile(filePath)
	if err != nil {
		return err
	}

	k8sObj, _, err := decode(file, nil, nil)
	if err != nil {
		return err
	}
	deploy, ok := k8sObj.(*appsv1.Deployment)
	if !ok {
		return errors.New("could not decode kubernetes deployment")
	}

	if len(deploy.Spec.Template.Spec.Containers) != 1 {
		return errors.New("unsupported number of containers defined in the deployment spec")
	}

	deploy.Spec.Template.Spec.Containers[0].Image = productionImage

	printer := printers.YAMLPrinter{}

	out, err := os.OpenFile(filePath, os.O_RDWR|os.O_CREATE|os.O_TRUNC, 0755)
	if err != nil {
		return nil
	}
	defer func() {
		if err := out.Close(); err != nil {
			log.Errorf("error closing file: %v", err)
		}
	}()

	return printer.PrintObj(deploy, out)
}