93 lines
		
	
	
		
			3.3 KiB
		
	
	
	
		
			TypeScript
		
	
	
	
	
	
			
		
		
	
	
			93 lines
		
	
	
		
			3.3 KiB
		
	
	
	
		
			TypeScript
		
	
	
	
	
	
///
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/// Copyright © 2016-2022 The Thingsboard Authors
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///
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/// Licensed under the Apache License, Version 2.0 (the "License");
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/// you may not use this file except in compliance with the License.
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/// You may obtain a copy of the License at
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///
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///     http://www.apache.org/licenses/LICENSE-2.0
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///
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/// Unless required by applicable law or agreed to in writing, software
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/// distributed under the License is distributed on an "AS IS" BASIS,
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/// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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/// See the License for the specific language governing permissions and
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/// limitations under the License.
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///
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import config from 'config';
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import { _logger } from './config/logger';
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import { HttpServer } from './api/httpServer';
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import { IQueue } from './queue/queue.models';
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import { KafkaTemplate } from './queue/kafkaTemplate';
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import { PubSubTemplate } from './queue/pubSubTemplate';
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import { AwsSqsTemplate } from './queue/awsSqsTemplate';
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import { RabbitMqTemplate } from './queue/rabbitmqTemplate';
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import { ServiceBusTemplate } from './queue/serviceBusTemplate';
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const logger = _logger('main');
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logger.info('===CONFIG BEGIN===');
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logger.info(JSON.stringify(config, null, 4));
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logger.info('===CONFIG END===');
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const serviceType = config.get('queue_type');
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const httpPort = Number(config.get('http_port'));
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let queues: IQueue | null;
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let httpServer: HttpServer | null;
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(async () => {
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    logger.info('Starting ThingsBoard JavaScript Executor Microservice...');
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    switch (serviceType) {
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        case 'kafka':
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            logger.info('Starting Kafka template...');
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            queues = await KafkaTemplate.build();
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            logger.info('Kafka template started.');
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            break;
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        case 'pubsub':
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            logger.info('Starting Pub/Sub template...')
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            queues = await PubSubTemplate.build();
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            logger.info('Pub/Sub template started.')
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            break;
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        case 'aws-sqs':
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            logger.info('Starting AWS SQS template...')
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            queues = await AwsSqsTemplate.build();
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            logger.info('AWS SQS template started.')
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            break;
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        case 'rabbitmq':
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            logger.info('Starting RabbitMQ template...')
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            queues = await RabbitMqTemplate.build();
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            logger.info('RabbitMQ template started.')
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            break;
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        case 'service-bus':
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            logger.info('Starting Azure Service Bus template...')
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            queues = await ServiceBusTemplate.build();
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            logger.info('Azure Service Bus template started.')
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            break;
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        default:
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            logger.error('Unknown service type: ', serviceType);
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            process.exit(-1);
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    }
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    httpServer = new HttpServer(httpPort);
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})();
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[`SIGINT`, `SIGUSR1`, `SIGUSR2`, `uncaughtException`, `SIGTERM`].forEach((eventType) => {
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    process.on(eventType, async () => {
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        logger.info(`${eventType} signal received`);
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        if (httpServer) {
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            const _httpServer = httpServer;
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            httpServer = null;
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            await _httpServer.stop();
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        }
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        if (queues) {
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            const _queues = queues;
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            queues = null;
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            await _queues.destroy(0);
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        }
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    })
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})
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process.on('exit', (code: number) => {
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    logger.info(`JavaScript Executor Microservice has been stopped. Exit code: ${code}.`);
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});
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