open-nomad/ui/app/components/primary-metric/node.js

86 lines
2.1 KiB
JavaScript

import Ember from 'ember';
import Component from '@glimmer/component';
import { task, timeout } from 'ember-concurrency';
import { assert } from '@ember/debug';
import { inject as service } from '@ember/service';
import { action, get } from '@ember/object';
import { formatScheduledBytes, formatScheduledHertz } from 'nomad-ui/utils/units';
export default class NodePrimaryMetric extends Component {
@service('stats-trackers-registry') statsTrackersRegistry;
/** Args
node = null;
metric null; (one of 'cpu' or 'memory')
*/
get metric() {
assert('metric is a required argument', this.args.metric);
return this.args.metric;
}
get tracker() {
return this.statsTrackersRegistry.getTracker(this.args.node);
}
get data() {
if (!this.tracker) return [];
return get(this, `tracker.${this.metric}`);
}
get reservedAmount() {
if (this.metric === 'cpu') return this.tracker.reservedCPU;
if (this.metric === 'memory') return this.tracker.reservedMemory;
return null;
}
get chartClass() {
if (this.metric === 'cpu') return 'is-info';
if (this.metric === 'memory') return 'is-danger';
return 'is-primary';
}
get reservedAnnotations() {
if (this.metric === 'cpu' && get(this.args.node, 'reserved.cpu')) {
const cpu = this.args.node.reserved.cpu;
return [
{
label: `${formatScheduledHertz(cpu, 'MHz')} reserved`,
percent: cpu / this.reservedAmount,
},
];
}
if (this.metric === 'memory' && get(this.args.node, 'reserved.memory')) {
const memory = this.args.node.reserved.memory;
return [
{
label: `${formatScheduledBytes(memory, 'MiB')} reserved`,
percent: memory / this.reservedAmount,
},
];
}
return [];
}
@task(function* () {
do {
this.tracker.poll.perform();
yield timeout(100);
} while (!Ember.testing);
})
poller;
@action
start() {
if (this.tracker) this.poller.perform();
}
willDestroy() {
super.willDestroy(...arguments);
this.poller.cancelAll();
this.tracker.signalPause.perform();
}
}