open-nomad/ui/app/utils/classes/poll-logger.js

42 lines
931 B
JavaScript

import EmberObject from '@ember/object';
import { task, timeout } from 'ember-concurrency';
import { decode } from 'nomad-ui/utils/stream-frames';
import AbstractLogger from './abstract-logger';
import { fetchFailure } from './log';
export default EmberObject.extend(AbstractLogger, {
interval: 1000,
start() {
return this.poll.linked().perform();
},
stop() {
return this.poll.cancelAll();
},
poll: task(function*() {
const { interval, logFetch } = this;
while (true) {
const url = this.fullUrl;
let response = yield logFetch(url).then(res => res, fetchFailure(url));
if (!response) {
return;
}
let text = yield response.text();
if (text) {
const { offset, message } = decode(text);
if (message) {
this.set('endOffset', offset);
this.write(message);
}
}
yield timeout(interval);
}
}),
});