ceph/src/pybind/mgr/dashboard/frontend/src/app/ceph/cluster/services/placement.pipe.ts

   1 import { Pipe, PipeTransform } from '@angular/core';
   2
   3 import _ from 'lodash';
   4
   5 @Pipe({
   6   name: 'placement'
   7 })
   8 export class PlacementPipe implements PipeTransform {
   9   /**
  10    * Convert the placement configuration into human readable form.
  11    * The output is equal to the column 'PLACEMENT' in 'ceph orch ls'.
  12    * @param serviceSpec The service specification to process.
  13    * @return The placement configuration as human readable string.
  14    */
  15   transform(serviceSpec: object | undefined): string {
  16     if (_.isUndefined(serviceSpec)) {
  17       return $localize`no spec`;
  18     }
  19     if (_.get(serviceSpec, 'unmanaged', false)) {
  20       return $localize`unmanaged`;
  21     }
  22     const kv: Array<any> = [];
  23     const hosts: Array<string> = _.get(serviceSpec, 'placement.hosts');
  24     const count: number = _.get(serviceSpec, 'placement.count');
  25     const label: string = _.get(serviceSpec, 'placement.label');
  26     const hostPattern: string = _.get(serviceSpec, 'placement.host_pattern');
  27     if (_.isArray(hosts)) {
  28       kv.push(...hosts);
  29     }
  30     if (_.isNumber(count)) {
  31       kv.push($localize`count:${count}`);
  32     }
  33     if (_.isString(label)) {
  34       kv.push($localize`label:${label}`);
  35     }
  36     if (_.isString(hostPattern)) {
  37       kv.push(hostPattern);
  38     }
  39     return kv.join(';');
  40   }
  41 }