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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 | 6x 6x 6x 6x 6x 15x 15x 15x 15x 26x 26x 1x 25x 24x 1x 24x 24x 2x 22x 13x 15x 22x 15x 15x 21x 6x | import { Injectable } from '@angular/core';
import * as _ from 'lodash';
import { PrometheusService } from '../api/prometheus.service';
import { CdNotificationConfig } from '../models/cd-notification';
import { AlertmanagerNotification } from '../models/prometheus-alerts';
import { PrometheusAlertFormatter } from './prometheus-alert-formatter';
@Injectable({
providedIn: 'root'
})
export class PrometheusNotificationService {
private notifications: AlertmanagerNotification[];
private backendFailure = false;
constructor(
private alertFormatter: PrometheusAlertFormatter,
private prometheusService: PrometheusService
) {
this.notifications = [];
}
refresh() {
if (this.backendFailure) {
return;
}
this.prometheusService
.getNotifications(_.last(this.notifications))
.subscribe(
(notifications) => this.handleNotifications(notifications),
() => (this.backendFailure = true)
);
}
private handleNotifications(notifications: AlertmanagerNotification[]) {
if (notifications.length === 0) {
return;
}
if (this.notifications.length > 0) {
this.alertFormatter.sendNotifications(
_.flatten(notifications.map((notification) => this.formatNotification(notification)))
);
}
this.notifications = this.notifications.concat(notifications);
}
private formatNotification(notification: AlertmanagerNotification): CdNotificationConfig[] {
return this.alertFormatter
.convertToCustomAlerts(notification.alerts)
.map((alert) => this.alertFormatter.convertAlertToNotification(alert));
}
}
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