# All files / src/app/ceph/block/iscsi-target-list iscsi-target-list.component.ts

82.28% Statements 65/79
73.53% Branches 25/34
70.83% Functions 17/24
82.19% Lines 60/73

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     import { Component, OnDestroy, OnInit, ViewChild } from '@angular/core';

    import { I18n } from '@ngx-translate/i18n-polyfill';
    import { BsModalRef, BsModalService } from 'ngx-bootstrap/modal';
    import { Subscription } from 'rxjs';

    import { IscsiService } from '../../../shared/api/iscsi.service';
    import { CriticalConfirmationModalComponent } from '../../../shared/components/critical-confirmation-modal/critical-confirmation-modal.component';
    import { TableComponent } from '../../../shared/datatable/table/table.component';
    import { CellTemplate } from '../../../shared/enum/cell-template.enum';
    import { CdTableAction } from '../../../shared/models/cd-table-action';
    import { CdTableColumn } from '../../../shared/models/cd-table-column';
    import { CdTableSelection } from '../../../shared/models/cd-table-selection';
    import { FinishedTask } from '../../../shared/models/finished-task';
    import { Permissions } from '../../../shared/models/permissions';
    import { CephReleaseNamePipe } from '../../../shared/pipes/ceph-release-name.pipe';
    import { AuthStorageService } from '../../../shared/services/auth-storage.service';
    import { SummaryService } from '../../../shared/services/summary.service';
    import { TaskListService } from '../../../shared/services/task-list.service';
    import { TaskWrapperService } from '../../../shared/services/task-wrapper.service';
    import { IscsiTargetDiscoveryModalComponent } from '../iscsi-target-discovery-modal/iscsi-target-discovery-modal.component';

    @Component({
      selector: 'cd-iscsi-target-list',
      template: require('./iscsi-target-list.component.html'),
      styles: [],
      providers: [TaskListService]
    })
    export class IscsiTargetListComponent implements OnInit, OnDestroy {
      @ViewChild(TableComponent)
      table: TableComponent;

      available: boolean = undefined;
      columns: CdTableColumn[];
      docsUrl: string;
      modalRef: BsModalRef;
      permissions: Permissions;
      selection = new CdTableSelection();
      settings: any;
      status: string;
      summaryDataSubscription: Subscription;
      tableActions: CdTableAction[];
      targets = [];

      builders = {
        'iscsi/target/create': (metadata) => {
          return {
            target_iqn: metadata['target_iqn']
          };
        }
      };

      constructor(
        private authStorageService: AuthStorageService,
        private i18n: I18n,
        private iscsiService: IscsiService,
        private taskListService: TaskListService,
        private cephReleaseNamePipe: CephReleaseNamePipe,
        private summaryservice: SummaryService,
        private modalService: BsModalService,
        private taskWrapper: TaskWrapperService
      ) {
        this.permissions = this.authStorageService.getPermissions();

        this.tableActions = [
          {
            permission: 'create',
            icon: 'fa-plus',
            routerLink: () => '/block/iscsi/targets/add',
            name: this.i18n('Add')
          },
          {
            permission: 'update',
            icon: 'fa-pencil',
            routerLink: () => `/block/iscsi/targets/edit/${this.selection.first().target_iqn}`,
            name: this.i18n('Edit')
          },
          {
            permission: 'delete',
            icon: 'fa-times',
            click: () => this.deleteIscsiTargetModal(),
            name: this.i18n('Delete')
          }
        ];
      }

      ngOnInit() {
        this.columns = [
          {
            name: this.i18n('Target'),
            prop: 'target_iqn',
            flexGrow: 2,
            cellTransformation: CellTemplate.executing
          },
          {
            name: this.i18n('Portals'),
            prop: 'cdPortals',
            flexGrow: 2
          },
          {
            name: this.i18n('Images'),
            prop: 'cdImages',
            flexGrow: 2
          },
          {
            name: this.i18n('# Sessions'),
            prop: 'info.num_sessions',
            flexGrow: 1
          }
        ];

        this.iscsiService.status().subscribe((result: any) => {
          this.available = result.available;

          if (result.available) {
            this.taskListService.init(
              () => this.iscsiService.listTargets(),
              (resp) => this.prepareResponse(resp),
              (targets) => (this.targets = targets),
              () => this.onFetchError(),
              this.taskFilter,
              this.itemFilter,
              this.builders
            );

            this.iscsiService.settings().subscribe((settings: any) => {
              this.settings = settings;
            });
          } else {
            const summary = this.summaryservice.getCurrentSummary();
            const releaseName = this.cephReleaseNamePipe.transform(summary.version);
            this.docsUrl = `http://docs.ceph.com/docs/${releaseName}/mgr/dashboard/#enabling-iscsi-management`;
            this.status = result.message;
          }
        });
      }

      ngOnDestroy() {
        if (this.summaryDataSubscription) {
          this.summaryDataSubscription.unsubscribe();
        }
      }

      prepareResponse(resp: any): any[] {
        resp.forEach((element) => {
          element.cdPortals = element.portals.map((portal) => `${portal.host}:${portal.ip}`);
          element.cdImages = element.disks.map((disk) => `${disk.pool}/${disk.image}`);
        });

        return resp;
      }

      onFetchError() {
        this.table.reset(); // Disable loading indicator.
      }

      itemFilter(entry, task) {
        return entry.target_iqn === task.metadata['target_iqn'];
      }

      taskFilter(task) {
        return ['iscsi/target/create', 'iscsi/target/edit', 'iscsi/target/delete'].includes(task.name);
      }

      updateSelection(selection: CdTableSelection) {
        this.selection = selection;
      }

      deleteIscsiTargetModal() {
        const target_iqn = this.selection.first().target_iqn;

        this.modalRef = this.modalService.show(CriticalConfirmationModalComponent, {
          initialState: {
            itemDescription: this.i18n('iSCSI'),
            submitActionObservable: () =>
              this.taskWrapper.wrapTaskAroundCall({
                task: new FinishedTask('iscsi/target/delete', {
                  target_iqn: target_iqn
                }),
                call: this.iscsiService.deleteTarget(target_iqn)
              })
          }
        });
      }

      configureDiscoveryAuth() {
        this.modalService.show(IscsiTargetDiscoveryModalComponent, {});
      }
    }