// Copyright 2021 EMQ Technologies Co., Ltd. // // Licensed under the Apache License, Version 2.0 (the "License"); // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // // http://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. // See the License for the specific language governing permissions and // limitations under the License. package meta import ( "bytes" "os" "path" "strings" "github.com/lf-edge/ekuiper/internal/conf" ) type fileContent []byte func readOpsMetaDir() ([]fileContent, error) { var filesByte []fileContent confDir, err := conf.GetConfLoc() if nil != err { return nil, err } dir := path.Join(confDir, "ops") files, err := os.ReadDir(dir) if nil != err { return nil, err } for _, file := range files { fname := file.Name() if !strings.HasSuffix(fname, ".json") { continue } filesByte = append(filesByte, readOpsMetaFile(path.Join(dir, fname))) } return filesByte, nil } func readOpsMetaFile(filePath string) fileContent { fiName := path.Base(filePath) sliByte, _ := os.ReadFile(filePath) conf.Log.Infof("operatorMeta file : %s", fiName) return sliByte } func GetOperators() bytes.Buffer { files, _ := readOpsMetaDir() return ConstructJsonArray(files) }