github.com/1aal/kubeblocks@v0.0.0-20231107070852-e1c03e598921/pkg/configuration/config_manager/files.go (about) 1 /* 2 Copyright (C) 2022-2023 ApeCloud Co., Ltd 3 4 This file is part of KubeBlocks project 5 6 This program is free software: you can redistribute it and/or modify 7 it under the terms of the GNU Affero General Public License as published by 8 the Free Software Foundation, either version 3 of the License, or 9 (at your option) any later version. 10 11 This program is distributed in the hope that it will be useful 12 but WITHOUT ANY WARRANTY; without even the implied warranty of 13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 GNU Affero General Public License for more details. 15 16 You should have received a copy of the GNU Affero General Public License 17 along with this program. If not, see <http://www.gnu.org/licenses/>. 18 */ 19 20 package configmanager 21 22 import ( 23 "errors" 24 "os" 25 "path/filepath" 26 27 cfgutil "github.com/1aal/kubeblocks/pkg/configuration/core" 28 ) 29 30 type files string 31 32 func newFiles(basePath string) files { 33 return files(basePath) 34 } 35 36 func (f files) Get(filename string) (string, error) { 37 path := filepath.Join(string(f), filename) 38 if _, err := os.Stat(path); errors.Is(err, os.ErrNotExist) { 39 return "", cfgutil.MakeError("file %s not found", filename) 40 } 41 42 b, err := os.ReadFile(path) 43 if err != nil { 44 return "", cfgutil.WrapError(err, "failed to read file %s", filename) 45 } 46 return string(b), nil 47 }