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

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