57 lines
1.6 KiB
JavaScript
57 lines
1.6 KiB
JavaScript
const Logger = require('./lib/utils/logger');
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const config = require('./config');
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const fs = require('fs');
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const redis = require('redis');
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const { Worker } = require('worker_threads')
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const logger = new Logger('presAnn Master');
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logger.info("Running export-annotations");
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const kickOffCollectorWorker = (jobId) => {
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return new Promise((resolve, reject) => {
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const worker = new Worker('./workers/collector.js', { workerData: jobId });
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worker.on('message', resolve);
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worker.on('error', reject);
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worker.on('exit', (code) => {
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if (code !== 0)
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reject(new Error(`PresAnn Collector Worker stopped with exit code ${code}`));
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})
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})
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}
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function sleep(ms) {
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return new Promise(resolve => setTimeout(resolve, ms));
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}
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(async () => {
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const client = redis.createClient({
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host: config.redis.host,
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port: config.redis.port,
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password: config.redis.password
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});
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client.on('error', (err) => logger.info('Redis Client Error', err));
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await client.connect();
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while (true) {
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await sleep(config.redis.interval);
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let job = await client.LPOP(config.redis.channels.queue)
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const exportJob = JSON.parse(job);
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if(job != null) {
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logger.info('Received job', job)
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// Drop job into dropbox as JSON
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fs.writeFile(config.shared.presAnnDropboxDir + '/' + exportJob.jobId, job, function(err) {
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if(err) { return logger.error(err); }
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});
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const result = await kickOffCollectorWorker(exportJob.jobId)
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logger.info(result);
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}
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}
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})();
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