func loadConfig()

in internal/policygen/load.go [54:82]

• 21 lines of code
• 6 McCabe index (conditional complexity)

func loadConfig(path string) (*config, error) {
	b, err := ioutil.ReadFile(path)
	if err != nil {
		return nil, fmt.Errorf("read config %q: %v", path, err)
	}

	// Convert yaml to json so hcl decoder can parse it.
	if filepath.Ext(path) == ".yaml" {
		b, err = yaml.YAMLToJSON(b)
		if err != nil {
			return nil, err
		}
		// hclsimple.Decode doesn't actually use the path for anything other
		// than its extension, so just pass in any file name ending with json so
		// the library knows to treat these bytes as json and not yaml.
		path = "file.json"
	}

	c := new(config)
	if err := hclsimple.Decode(path, b, nil, c); err != nil {
		return nil, err
	}

	if err := c.init(); err != nil {
		return nil, err
	}

	return c, nil
}