git.apps.os.sepia.ceph.com Git - ceph-ci.git/blob

   1 import { Component } from '@angular/core';
   2 import { Validators } from '@angular/forms';
   3 import { ActivatedRoute, Router } from '@angular/router';
   4
   5 import { I18n } from '@ngx-translate/i18n-polyfill';
   6 import * as _ from 'lodash';
   7 import * as moment from 'moment';
   8
   9 import { PrometheusService } from '../../../../shared/api/prometheus.service';
  10 import {
  11   ActionLabelsI18n,
  12   SucceededActionLabelsI18n
  13 } from '../../../../shared/constants/app.constants';
  14 import { Icons } from '../../../../shared/enum/icons.enum';
  15 import { NotificationType } from '../../../../shared/enum/notification-type.enum';
  16 import { CdFormBuilder } from '../../../../shared/forms/cd-form-builder';
  17 import { CdFormGroup } from '../../../../shared/forms/cd-form-group';
  18 import { CdValidators } from '../../../../shared/forms/cd-validators';
  19 import {
  20   AlertmanagerSilence,
  21   AlertmanagerSilenceMatcher,
  22   AlertmanagerSilenceMatcherMatch
  23 } from '../../../../shared/models/alertmanager-silence';
  24 import { Permission } from '../../../../shared/models/permissions';
  25 import { AlertmanagerAlert, PrometheusRule } from '../../../../shared/models/prometheus-alerts';
  26 import { AuthStorageService } from '../../../../shared/services/auth-storage.service';
  27 import { ModalService } from '../../../../shared/services/modal.service';
  28 import { NotificationService } from '../../../../shared/services/notification.service';
  29 import { PrometheusSilenceMatcherService } from '../../../../shared/services/prometheus-silence-matcher.service';
  30 import { TimeDiffService } from '../../../../shared/services/time-diff.service';
  31 import { SilenceMatcherModalComponent } from '../silence-matcher-modal/silence-matcher-modal.component';
  32
  33 @Component({
  34   selector: 'cd-prometheus-form',
  35   templateUrl: './silence-form.component.html',
  36   styleUrls: ['./silence-form.component.scss']
  37 })
  38 export class SilenceFormComponent {
  39   icons = Icons;
  40   permission: Permission;
  41   form: CdFormGroup;
  42   rules: PrometheusRule[];
  43
  44   recreate = false;
  45   edit = false;
  46   id: string;
  47
  48   action: string;
  49   resource = this.i18n('silence');
  50
  51   matchers: AlertmanagerSilenceMatcher[] = [];
  52   matcherMatch: AlertmanagerSilenceMatcherMatch = undefined;
  53   matcherConfig = [
  54     {
  55       tooltip: this.i18n('Attribute name'),
  56       icon: this.icons.paragraph,
  57       attribute: 'name'
  58     },
  59     {
  60       tooltip: this.i18n('Value'),
  61       icon: this.icons.terminal,
  62       attribute: 'value'
  63     },
  64     {
  65       tooltip: this.i18n('Regular expression'),
  66       icon: this.icons.magic,
  67       attribute: 'isRegex'
  68     }
  69   ];
  70
  71   datetimeFormat = 'YYYY-MM-DD HH:mm';
  72
  73   constructor(
  74     private i18n: I18n,
  75     private router: Router,
  76     private authStorageService: AuthStorageService,
  77     private formBuilder: CdFormBuilder,
  78     private prometheusService: PrometheusService,
  79     private notificationService: NotificationService,
  80     private route: ActivatedRoute,
  81     private timeDiff: TimeDiffService,
  82     private modalService: ModalService,
  83     private silenceMatcher: PrometheusSilenceMatcherService,
  84     private actionLabels: ActionLabelsI18n,
  85     private succeededLabels: SucceededActionLabelsI18n
  86   ) {
  87     this.init();
  88   }
  89
  90   private init() {
  91     this.chooseMode();
  92     this.authenticate();
  93     this.createForm();
  94     this.setupDates();
  95     this.getData();
  96   }
  97
  98   private chooseMode() {
  99     this.edit = this.router.url.startsWith('/monitoring/silences/edit');
 100     this.recreate = this.router.url.startsWith('/monitoring/silences/recreate');
 101     if (this.edit) {
 102       this.action = this.actionLabels.EDIT;
 103     } else if (this.recreate) {
 104       this.action = this.actionLabels.RECREATE;
 105     } else {
 106       this.action = this.actionLabels.CREATE;
 107     }
 108   }
 109
 110   private authenticate() {
 111     this.permission = this.authStorageService.getPermissions().prometheus;
 112     const allowed =
 113       this.permission.read && (this.edit ? this.permission.update : this.permission.create);
 114     if (!allowed) {
 115       this.router.navigate(['/404']);
 116     }
 117   }
 118
 119   private createForm() {
 120     const formatValidator = CdValidators.custom('format', (expiresAt: string) => {
 121       const result = expiresAt === '' || moment(expiresAt, this.datetimeFormat).isValid();
 122       return !result;
 123     });
 124     this.form = this.formBuilder.group(
 125       {
 126         startsAt: ['', [Validators.required, formatValidator]],
 127         duration: ['2h', [Validators.min(1)]],
 128         endsAt: ['', [Validators.required, formatValidator]],
 129         createdBy: [this.authStorageService.getUsername(), [Validators.required]],
 130         comment: [null, [Validators.required]]
 131       },
 132       {
 133         validators: CdValidators.custom('matcherRequired', () => this.matchers.length === 0)
 134       }
 135     );
 136   }
 137
 138   private setupDates() {
 139     const now = moment().format(this.datetimeFormat);
 140     this.form.silentSet('startsAt', now);
 141     this.updateDate();
 142     this.subscribeDateChanges();
 143   }
 144
 145   private updateDate(updateStartDate?: boolean) {
 146     const date = moment(this.form.getValue(updateStartDate ? 'endsAt' : 'startsAt')).toDate();
 147     const next = this.timeDiff.calculateDate(date, this.form.getValue('duration'), updateStartDate);
 148     if (next) {
 149       const nextDate = moment(next).format(this.datetimeFormat);
 150       this.form.silentSet(updateStartDate ? 'startsAt' : 'endsAt', nextDate);
 151     }
 152   }
 153
 154   private subscribeDateChanges() {
 155     this.form.get('startsAt').valueChanges.subscribe(() => {
 156       this.onDateChange();
 157     });
 158     this.form.get('duration').valueChanges.subscribe(() => {
 159       this.updateDate();
 160     });
 161     this.form.get('endsAt').valueChanges.subscribe(() => {
 162       this.onDateChange(true);
 163     });
 164   }
 165
 166   private onDateChange(updateStartDate?: boolean) {
 167     const startsAt = moment(this.form.getValue('startsAt'));
 168     const endsAt = moment(this.form.getValue('endsAt'));
 169     if (startsAt.isBefore(endsAt)) {
 170       this.updateDuration();
 171     } else {
 172       this.updateDate(updateStartDate);
 173     }
 174   }
 175
 176   private updateDuration() {
 177     const startsAt = moment(this.form.getValue('startsAt')).toDate();
 178     const endsAt = moment(this.form.getValue('endsAt')).toDate();
 179     this.form.silentSet('duration', this.timeDiff.calculateDuration(startsAt, endsAt));
 180   }
 181
 182   private getData() {
 183     this.getRules();
 184     this.getModeSpecificData();
 185   }
 186
 187   private getRules() {
 188     this.prometheusService.ifPrometheusConfigured(
 189       () =>
 190         this.prometheusService.getRules().subscribe(
 191           (groups) => {
 192             this.rules = groups['groups'].reduce(
 193               (acc, group) => _.concat<PrometheusRule>(acc, group.rules),
 194               []
 195             );
 196           },
 197           () => {
 198             this.prometheusService.disablePrometheusConfig();
 199             this.rules = [];
 200           }
 201         ),
 202       () => {
 203         this.rules = [];
 204         this.notificationService.show(
 205           NotificationType.info,
 206           this.i18n(
 207             'Please add your Prometheus host to the dashboard configuration and refresh the page'
 208           ),
 209           undefined,
 210           undefined,
 211           'Prometheus'
 212         );
 213       }
 214     );
 215   }
 216
 217   private getModeSpecificData() {
 218     this.route.params.subscribe((params: { id: string }) => {
 219       if (!params.id) {
 220         return;
 221       }
 222       if (this.edit || this.recreate) {
 223         this.prometheusService.getSilences(params).subscribe((silences) => {
 224           this.fillFormWithSilence(silences[0]);
 225         });
 226       } else {
 227         this.prometheusService.getAlerts(params).subscribe((alerts) => {
 228           this.fillFormByAlert(alerts[0]);
 229         });
 230       }
 231     });
 232   }
 233
 234   private fillFormWithSilence(silence: AlertmanagerSilence) {
 235     this.id = silence.id;
 236     if (this.edit) {
 237       ['startsAt', 'endsAt'].forEach((attr) =>
 238         this.form.silentSet(attr, moment(silence[attr]).format(this.datetimeFormat))
 239       );
 240       this.updateDuration();
 241     }
 242     ['createdBy', 'comment'].forEach((attr) => this.form.silentSet(attr, silence[attr]));
 243     this.matchers = silence.matchers;
 244     this.validateMatchers();
 245   }
 246
 247   private validateMatchers() {
 248     if (!this.rules) {
 249       window.setTimeout(() => this.validateMatchers(), 100);
 250       return;
 251     }
 252     this.matcherMatch = this.silenceMatcher.multiMatch(this.matchers, this.rules);
 253     this.form.markAsDirty();
 254     this.form.updateValueAndValidity();
 255   }
 256
 257   private fillFormByAlert(alert: AlertmanagerAlert) {
 258     const labels = alert.labels;
 259     Object.keys(labels).forEach((key) =>
 260       this.setMatcher({
 261         name: key,
 262         value: labels[key],
 263         isRegex: false
 264       })
 265     );
 266   }
 267
 268   private setMatcher(matcher: AlertmanagerSilenceMatcher, index?: number) {
 269     if (_.isNumber(index)) {
 270       this.matchers[index] = matcher;
 271     } else {
 272       this.matchers.push(matcher);
 273     }
 274     this.validateMatchers();
 275   }
 276
 277   showMatcherModal(index?: number) {
 278     const modalRef = this.modalService.show(SilenceMatcherModalComponent);
 279     const modalComponent = modalRef.componentInstance as SilenceMatcherModalComponent;
 280     modalComponent.rules = this.rules;
 281     if (_.isNumber(index)) {
 282       modalComponent.editMode = true;
 283       modalComponent.preFillControls(this.matchers[index]);
 284     }
 285     modalComponent.submitAction.subscribe((matcher: AlertmanagerSilenceMatcher) => {
 286       this.setMatcher(matcher, index);
 287     });
 288   }
 289
 290   deleteMatcher(index: number) {
 291     this.matchers.splice(index, 1);
 292     this.validateMatchers();
 293   }
 294
 295   submit() {
 296     if (this.form.invalid) {
 297       return;
 298     }
 299     this.prometheusService.setSilence(this.getSubmitData()).subscribe(
 300       (resp) => {
 301         this.router.navigate(['/monitoring/silences']);
 302         this.notificationService.show(
 303           NotificationType.success,
 304           this.getNotificationTile(resp.body['silenceId']),
 305           undefined,
 306           undefined,
 307           'Prometheus'
 308         );
 309       },
 310       () => this.form.setErrors({ cdSubmitButton: true })
 311     );
 312   }
 313
 314   private getSubmitData(): AlertmanagerSilence {
 315     const payload = this.form.value;
 316     delete payload.duration;
 317     payload.startsAt = moment(payload.startsAt, this.datetimeFormat).toISOString();
 318     payload.endsAt = moment(payload.endsAt, this.datetimeFormat).toISOString();
 319     payload.matchers = this.matchers;
 320     if (this.edit) {
 321       payload.id = this.id;
 322     }
 323     return payload;
 324   }
 325
 326   private getNotificationTile(id: string) {
 327     let action;
 328     if (this.edit) {
 329       action = this.succeededLabels.EDITED;
 330     } else if (this.recreate) {
 331       action = this.succeededLabels.RECREATED;
 332     } else {
 333       action = this.succeededLabels.CREATED;
 334     }
 335     return `${action} ${this.resource} ${id}`;
 336   }
 337 }