thingsboard/msa/js-executor/api/httpServer.ts

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///
/// Copyright © 2016-2022 The Thingsboard Authors
///
/// 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.
///
import express from 'express';
import { _logger} from '../config/logger';
export class HttpServer {
private logger = _logger('httpServer');
private app = express();
private server;
constructor(httpPort: number) {
this.app.get('/livenessProbe', async (req, res) => {
const message = {
now: new Date().toISOString()
};
res.send(message);
})
this.server = this.app.listen(httpPort, () => {
this.logger.info('Started http endpoint on port %s. Please, use /livenessProbe !', httpPort);
}).on('error', (error) => {
this.logger.error(error);
});
}
stop() {
this.server.close(() => {
this.logger.info('Http server stop');
});
}
}