60 lines
1.9 KiB
JavaScript
60 lines
1.9 KiB
JavaScript
'use strict';
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const knex = require('./knex');
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const fork = require('child_process').fork;
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const log = require('./log');
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const path = require('path');
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const {ImportStatus, RunStatus} = require('../../shared/imports');
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let messageTid = 0;
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let importerProcess;
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module.exports = {
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spawn,
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scheduleCheck
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};
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function spawn(callback) {
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log.verbose('Importer', 'Spawning importer process');
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knex.transaction(async tx => {
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await tx('imports').where('status', ImportStatus.PREP_RUNNING).update({status: ImportStatus.PREP_SCHEDULED});
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await tx('imports').where('status', ImportStatus.PREP_STOPPING).update({status: ImportStatus.PREP_FAILED});
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await tx('imports').where('status', ImportStatus.RUN_RUNNING).update({status: ImportStatus.RUN_SCHEDULED});
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await tx('imports').where('status', ImportStatus.RUN_STOPPING).update({status: ImportStatus.RUN_FAILED});
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await tx('import_runs').where('status', RunStatus.RUNNING).update({status: RunStatus.SCHEDULED});
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await tx('import_runs').where('status', RunStatus.STOPPING).update({status: RunStatus.FAILED});
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}).then(() => {
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importerProcess = fork(path.join(__dirname, '..', 'services', 'importer.js'), [], {
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cwd: path.join(__dirname, '..'),
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env: {NODE_ENV: process.env.NODE_ENV}
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});
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importerProcess.on('message', msg => {
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if (msg) {
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if (msg.type === 'importer-started') {
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log.info('Importer', 'Importer process started');
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return callback();
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}
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}
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});
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importerProcess.on('close', (code, signal) => {
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log.error('Importer', 'Importer process exited with code %s signal %s', code, signal);
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});
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});
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}
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function scheduleCheck() {
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importerProcess.send({
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type: 'scheduleCheck',
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tid: messageTid
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});
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messageTid++;
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}
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