open-nomad/ui/app/utils/classes/poll-logger.js
Michael Lange 9d505d1db0 Disambiguate what to do with the child task for the task logger
linked tasks are killed when the parent task is killed.
2018-01-17 09:02:04 -08:00

38 lines
976 B
JavaScript

import Ember from 'ember';
import { task, timeout } from 'ember-concurrency';
import AbstractLogger from './abstract-logger';
const { Object: EmberObject } = Ember;
export default EmberObject.extend(AbstractLogger, {
interval: 1000,
start() {
return this.get('poll')
.linked()
.perform();
},
stop() {
return this.get('poll').cancelAll();
},
poll: task(function*() {
const { interval, logFetch } = this.getProperties('interval', 'logFetch');
while (true) {
let text = yield logFetch(this.get('fullUrl')).then(res => res.text());
if (text) {
const lines = text.replace(/\}\{/g, '}\n{').split('\n');
const frames = lines.map(line => JSON.parse(line));
frames.forEach(frame => (frame.Data = window.atob(frame.Data)));
this.set('endOffset', frames[frames.length - 1].Offset);
this.get('write')(frames.mapBy('Data').join(''));
}
yield timeout(interval);
}
}),
});