ceph/src/pybind/mgr/dashboard/frontend/src/app/ceph/dashboard/mds-summary.pipe.ts

   1 import { Pipe, PipeTransform } from '@angular/core';
   2
   3 import { I18n } from '@ngx-translate/i18n-polyfill';
   4 import * as _ from 'lodash';
   5
   6 @Pipe({
   7   name: 'mdsSummary'
   8 })
   9 export class MdsSummaryPipe implements PipeTransform {
  10   constructor(private i18n: I18n) {}
  11
  12   transform(value: any): any {
  13     if (!value) {
  14       return '';
  15     }
  16
  17     let contentLine1 = '';
  18     let contentLine2 = '';
  19     let standbys = 0;
  20     let active = 0;
  21     let standbyReplay = 0;
  22     _.each(value.standbys, () => {
  23       standbys += 1;
  24     });
  25
  26     if (value.standbys && !value.filesystems) {
  27       contentLine1 = `${standbys} ${this.i18n('up')}`;
  28       contentLine2 = this.i18n('no filesystems');
  29     } else if (value.filesystems.length === 0) {
  30       contentLine1 = this.i18n('no filesystems');
  31     } else {
  32       _.each(value.filesystems, (fs) => {
  33         _.each(fs.mdsmap.info, (mds) => {
  34           if (mds.state === 'up:standby-replay') {
  35             standbyReplay += 1;
  36           } else {
  37             active += 1;
  38           }
  39         });
  40       });
  41
  42       contentLine1 = `${active} ${this.i18n('active')}`;
  43       contentLine2 = `${standbys + standbyReplay} ${this.i18n('standby')}`;
  44     }
  45     const standbyHoverText = value.standbys.map((s: any): string => s.name).join(', ');
  46     const standbyTitleText = !standbyHoverText
  47       ? ''
  48       : `${this.i18n('standby daemons')}: ${standbyHoverText}`;
  49     const fsLength = value.filesystems ? value.filesystems.length : 0;
  50     const infoObject = fsLength > 0 ? value.filesystems[0].mdsmap.info : {};
  51     const activeHoverText = Object.values(infoObject)
  52       .map((info: any): string => info.name)
  53       .join(', ');
  54     let activeTitleText = !activeHoverText
  55       ? ''
  56       : `${this.i18n('active daemon')}: ${activeHoverText}`;
  57     // There is always one standbyreplay to replace active daemon, if active one is down
  58     if (!active && fsLength > 0) {
  59       activeTitleText = `${standbyReplay} ${this.i18n('standbyReplay')}`;
  60     }
  61     const mgrSummary = [
  62       {
  63         content: contentLine1,
  64         class: 'popover-info',
  65         titleText: activeTitleText
  66       }
  67     ];
  68     if (contentLine2) {
  69       mgrSummary.push({
  70         content: '',
  71         class: 'card-text-line-break',
  72         titleText: ''
  73       });
  74       mgrSummary.push({
  75         content: contentLine2,
  76         class: 'popover-info',
  77         titleText: standbyTitleText
  78       });
  79     }
  80
  81     return mgrSummary;
  82   }
  83 }