| /* |
| * Copyright 2019-present Open Networking Foundation |
| |
| * 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. |
| */ |
| |
| (function () { |
| 'use strict'; |
| |
| const winston = require('winston'); |
| const fs = require('fs'); |
| const path = require('path'); |
| const level = process.env.LOG_LEVEL || 'debug'; |
| winston.level = level; |
| |
| const logFile = path.join(__dirname, '../../logs/cord-workflow-control-service'); |
| |
| // clear old logs |
| ['error', 'debug'].forEach(l => { |
| try { |
| fs.statSync(`${logFile}.${l}.log`) |
| fs.unlinkSync(`${logFile}.${l}.log`); |
| } |
| catch(e) { |
| // log does not exist |
| } |
| }); |
| |
| // create a custom logger with colorized console and persistance to file |
| const logger = winston.createLogger({ |
| transports: [ |
| new (winston.transports.Console)({level: level, colorize: true}), |
| new (winston.transports.File)({name: 'error-log', level: 'error', filename: `${logFile}.error.log`}), |
| new (winston.transports.File)({name: 'debug-log', level: 'debug', filename: `${logFile}.debug.log`}) |
| ] |
| }); |
| |
| module.exports = logger; |
| })(); |