Dev/yisu/fmql diagnosis

src/SfxWeb/cypress/e2e/cluster.cy.js

@@ -21,6 +21,10 @@ context('Cluster page', () => {
   })
 
   describe("essentials", () => {
+    beforeEach(() => {
+      cy.intercept(apiUrl('/Partitions/00000000-0000-0000-0000-000000000001?*'), 
+      {fixture: 'cluster-page/fm/notInQuorumLoss.json'}).as("getFMQuorumLossStatus")
+    })
     it('load essentials', () => {
       cy.visit('')
 
@@ -71,6 +75,19 @@ context('Cluster page', () => {
 
     })
 
+
+    it('displays FM quorum loss warning when in quorum loss status', () => {
+      cy.visit('');
+      cy.wait('@getFMQuorumLossStatus')
+      cy.get('[data-cy="fmql-warning"]').should('not.exist');
+      cy.intercept(apiUrl('/Partitions/00000000-0000-0000-0000-000000000001?*'), 
+      {fixture: 'cluster-page/fm/inQuorumLoss.json'}).as("getFMQuorumLossStatus")
+      cy.reload();
+      cy.wait('@getFMQuorumLossStatus')
+      cy.get('[data-cy="fmql-warning"]').should('exist').should('be.visible');      
+    });
+
+
     it('xss', () => {
 
       addDefaultFixtures(xssPrefix);

src/SfxWeb/cypress/fixtures/cluster-page/fm/inQuorumLoss.json

@@ -0,0 +1,4 @@
+{
+    "ServiceKind": "Stateful",
+    "PartitionStatus": "InQuorumLoss"
+}

src/SfxWeb/cypress/fixtures/cluster-page/fm/notInQuorumLoss.json

@@ -0,0 +1,4 @@
+{
+    "ServiceKind": "Stateful",
+    "PartitionStatus": "OK"
+}

src/SfxWeb/src/app/Common/Constants.ts

@@ -224,6 +224,11 @@ export class TelemetryEventNames {
 }
 
 
+export class SystemServicePartitionId {
+  public static FailoverManagerId = '00000000-0000-0000-0000-000000000001';
+} 
+
+
 export class RepairTaskMessages {
   public static longExecutingMessage = "This update can prevent other updates from going through. Please reach out to the Azure Compute teams (“Compute Manager/Blackbird”) to figure out why the updates are not completing.";
   public static longExecutingId = "longExecuting";

src/SfxWeb/src/app/services/rest-client.service.ts

@@ -12,7 +12,7 @@ import { IRawCollection, IRawClusterManifest, IRawClusterHealth, IRawClusterUpgr
          IRawApplication, IRawService, IRawCreateServiceDescription, IRawCreateServiceFromTemplateDescription, IRawUpdateServiceDescription, IRawServiceDescription,
          IRawServiceHealth, IRawApplicationUpgradeProgress, IRawCreateComposeDeploymentDescription, IRawPartition, IRawPartitionHealth, IRawPartitionLoadInformation,
          IRawReplicaOnPartition, IRawReplicaHealth, IRawImageStoreContent, IRawStoreFolderSize, IRawClusterVersion, IRawList, IRawAadMetadata, IRawStorage, IRawRepairTask,
-         IRawServiceNameInfo, IRawApplicationNameInfo, IRawBackupEntity, IRawInfrastructureJob, IRawInfraRepairTask, IRawRoleInstanceImpact } from '../Models/RawDataTypes';
+         IRawServiceNameInfo, IRawApplicationNameInfo, IRawBackupEntity, IRawInfrastructureJob, IRawInfraRepairTask, IRawRoleInstanceImpact} from '../Models/RawDataTypes';
 import { mergeMap, map, catchError, finalize, skip } from 'rxjs/operators';
 import { Application } from '../Models/DataModels/Application';
 import { Service } from '../Models/DataModels/Service';

src/SfxWeb/src/app/views/cluster/essentials/essentials.component.html

@@ -40,6 +40,10 @@ <h3 class="nested-header heading">Throttled Infrastructure Jobs</h3>
   </app-collapse-container>
 </div>
 
+<div *ngIf="fmQuorumLossStatus" style="margin-bottom: 15px;" data-cy="fmql-warning">
+  <app-warning [description]="fmQuorumLossWarning" ></app-warning>
+</div>
+
 <div *ngIf="clusterUpgradeProgress.isInitialized && clusterUpgradeProgress.isUpgrading" class="detail-pane">
   <div data-cy="upgradeDetails" class="essen-pane" style="flex: 1; min-width: 600px;">
     <app-collapse-container sectionName="Upgrade Status" collapsed="true">

src/SfxWeb/src/app/views/cluster/essentials/essentials.component.ts

@@ -5,6 +5,7 @@ import { HealthStateFilterFlags } from 'src/app/Models/HealthChunkRawDataTypes';
 import { SystemApplication } from 'src/app/Models/DataModels/Application';
 import { Observable, forkJoin, of } from 'rxjs';
 import { IResponseMessageHandler } from 'src/app/Common/ResponseMessageHandlers';
+import { SystemServicePartitionId } from 'src/app/Common/Constants';
 import { BaseControllerDirective } from 'src/app/ViewModels/BaseController';
 import { NodeCollection } from 'src/app/Models/DataModels/collections/NodeCollection';
 import { ListSettings } from 'src/app/Models/ListSettings';
@@ -16,6 +17,8 @@ import { HealthUtils, HealthStatisticsEntityKind } from 'src/app/Utils/healthUti
 import { RepairTaskCollection } from 'src/app/Models/DataModels/collections/RepairTaskCollection';
 import { IEssentialListItem } from 'src/app/modules/charts/essential-health-tile/essential-health-tile.component';
 import { InfrastructureCollection } from 'src/app/Models/DataModels/collections/infrastructureCollection';
+import { RestClientService } from 'src/app/services/rest-client.service';
+import { IRawPartition } from 'src/app/Models/RawDataTypes';
 
 @Component({
   selector: 'app-essentials',
@@ -41,12 +44,15 @@ export class EssentialsComponent extends BaseControllerDirective {
   replicasDashboard: IDashboardViewModel;
   upgradesDashboard: IDashboardViewModel;
   upgradeAppsCount = 0;
+  fmQuorumLossStatus : boolean;
+  fmQuorumLossWarning : string;
 
   essentialItems: IEssentialListItem[] = [];
 
   constructor(public data: DataService,
               public injector: Injector,
               public settings: SettingsService,
+              public RestClient: RestClientService,
               private routes: RoutesService) {
     super(injector);
   }
@@ -61,6 +67,8 @@ export class EssentialsComponent extends BaseControllerDirective {
 
     this.infraCollection = this.data.infrastructureCollection;
     this.infraSettings = this.settings.getNewOrExistingInfrastructureSettings();
+    this.fmQuorumLossWarning = `The Failover Manager service is in quorum loss state. Cluster may not be responding. 
+    Service failover, automatic recovery will be blocked.Health/availability state of services/nodes may not be reflected.`
   }
 
   refresh(messageHandler?: IResponseMessageHandler): Observable<any> {
@@ -91,6 +99,12 @@ export class EssentialsComponent extends BaseControllerDirective {
       this.nodes.refresh(messageHandler).pipe(map(() => {this.updateItemInEssentials(); })),
       this.systemApp.refresh(messageHandler).pipe(catchError(err => of(null))),
       this.clusterUpgradeProgress.refresh(messageHandler),
+      this.RestClient.getPartitionById(SystemServicePartitionId.FailoverManagerId, messageHandler).pipe(map((partition) => {
+        if (partition.PartitionStatus === 'InQuorumLoss') {
+          this.fmQuorumLossStatus = true;
+        }
+      })),
+
       this.data.getClusterManifest().pipe(map((manifest) => {
         if (manifest.isRepairManagerEnabled) {
           return this.repairtaskCollection.refresh(messageHandler);