Function validateRules

cmd/fibratus/app/rules/validate.go:44–138

()

}

func validateRules() error {
	if err := bootstrap.InitConfigAndLogger(cfg); err != nil {
		return err
	}

	isValidExt := func(path string) bool {
		return filepath.Ext(path) == ".yml" || filepath.Ext(path) == ".yaml"
	}
	// load macros and rules
	for _, m := range cfg.Filters.Macros.FromPaths {
		paths, err := filepath.Glob(m)
		if err != nil {
			return err
		}
		for _, path := range paths {
			if !isValidExt(path) {
				continue
			}
			emo("%v Loading macros from %s\n", emoji.Hook, path)
		}
	}
	if err := cfg.Filters.LoadMacros(); err != nil {
		return fmt.Errorf("%v %v", emoji.DisappointedFace, err)
	}

	for _, r := range cfg.Filters.Rules.FromPaths {
		paths, err := filepath.Glob(r)
		if err != nil {
			return err
		}
		for _, path := range paths {
			if !isValidExt(path) {
				continue
			}
			emo("%v Loading rule %s\n", emoji.Package, path)
		}
	}
	if err := cfg.Filters.LoadFilters(); err != nil {
		return fmt.Errorf("%v %v", emoji.DisappointedFace, err)
	}
	if len(cfg.GetFilters()) == 0 {
		return fmt.Errorf("%v no rules found in %s", emoji.DisappointedFace, strings.Join(cfg.Filters.Rules.FromPaths, ","))
	}

	warnings := make([]warning, 0)

	// validate rules
	for _, rule := range cfg.GetFilters() {
		f := filter.New(rule.Condition, cfg)
		err := f.Compile()
		if err != nil {
			return fmt.Errorf("%v %v", emoji.DisappointedFace, rules.ErrInvalidFilter(rule.Name, err))
		}

		w := warning{rule: rule.Name}
		for _, fld := range f.GetFields() {
			if isDeprecated, dep := fields.IsDeprecated(fld.Name); isDeprecated {
				w.addMessage(fmt.Sprintf("%s field deprecated in favor of %v", fld.Name.String(), dep.Fields))