Function LoadYAMLPolicy

internal/cmdpolicy/resolver.go:98–117

LoadYAMLPolicy returns (nil, nil) when path is empty or file is absent, so callers can pass the result straight into Sources.YAMLRules. A present file yields one or more rules (see yaml.Parse).

(path string)

// so callers can pass the result straight into Sources.YAMLRules. A
// present file yields one or more rules (see yaml.Parse).
func LoadYAMLPolicy(path string) ([]*platform.Rule, error) {
	if path == "" {
		return nil, nil
	}
	if _, err := vfs.Stat(path); err != nil {
		if errors.Is(err, os.ErrNotExist) {
			return nil, nil
		}
		return nil, fmt.Errorf("stat policy yaml %q: %w", path, err)
	}
	data, err := vfs.ReadFile(path)
	if err != nil {
		return nil, fmt.Errorf("read policy yaml %q: %w", path, err)
	}
	rules, err := pyaml.Parse(data)
	if err != nil {
		return nil, fmt.Errorf("policy yaml %q: %w", path, err)
	}
	return rules, nil
}