"Duration the discovery server needs to terminate gracefully")

	// RegistryOptions Controller options
	c.PersistentFlags().StringVar(&serverArgs.RegistryOptions.FileDir, "configDir", "",
		"Directory to watch for updates to config yaml files. If specified, the files will be used as the source of config, rather than a CRD client.")

				rt.name,
				rt.expectedError,
				(len(output) > 0),
			)
		}
	}
}

func TestDirAvailableCheck(t *testing.T) {
	fileDir, err := os.MkdirTemp("", "dir-avail-check")
	if err != nil {
		t.Fatalf("failed creating directory: %v", err)
	}
	defer os.RemoveAll(fileDir)
	var tests = []struct {
		name          string
		check         DirAvailableCheck
		expectedError bool
	}{
		{

		// determine file directory, necessary to resolve imports
		// FileName may be "" (typically for tests) in which case
		// we get "." as the directory which is what we would want.
		fileDir := dir(file.PkgName.Pos().RelFilename()) // TODO(gri) should this be filename?

		first := -1                // index of first ConstDecl in the current group, or -1

		// determine file directory, necessary to resolve imports
		// FileName may be "" (typically for tests) in which case
		// we get "." as the directory which is what we would want.
		fileDir := dir(check.fset.Position(file.Name.Pos()).Filename)

		check.walkDecls(file.Decls, func(d decl) {
			switch d := d.(type) {
			case importDecl:
				// import package
				if d.spec.Path.Value == "" {

// emitted after that.
func (d *dwctxt) writeDirFileTables(unit *sym.CompilationUnit, lsu *loader.SymbolBuilder) {
	type fileDir struct {
		base string
		dir  int
	}
	dirNums := make(map[string]int)
	dirs := []string{""}
	files := []fileDir{}

	// Preprocess files to collect directories. This assumes that the
	// file table is already de-duped.
	for i, name := range unit.FileTable {

func (s *Server) initKubeClient(args *PilotArgs) error {
	if s.kubeClient != nil {
		// Already initialized by startup arguments
		return nil
	}
	hasK8SConfigStore := false
	if args.RegistryOptions.FileDir == "" {
		// If file dir is set - config controller will just use file.
		if _, err := os.Stat(args.MeshConfigFile); !os.IsNotExist(err) {
			meshConfig, err := mesh.ReadMeshConfig(args.MeshConfigFile)
			if err != nil {