func storageFromConfig()

in experimental/config.go [33:60]

• 24 lines of code
• 8 McCabe index (conditional complexity)

func storageFromConfig(configFile string) (storageObject, error) {
	data, err := ioutil.ReadFile(configFile)
	if err != nil {
		return nil, err
	}

	config := &distributionConfig{}
	err = yaml.Unmarshal(data, &config)
	if err != nil {
		return nil, err
	}

	if config.Version != "0.1" {
		return nil, errors.New("only 0.1 version is supported")
	}

	if config.Storage.Filesystem != nil && config.Storage.S3 != nil {
		return nil, errors.New("multiple storages defined")
	}

	if config.Storage.Filesystem != nil {
		return newFilesystemStorage(config.Storage.Filesystem)
	} else if config.Storage.S3 != nil {
		return newS3Storage(config.Storage.S3)
	} else {
		return nil, errors.New("unsupported storage")
	}
}