register graph usage (#72041)

Author: flash1293

x-pack/plugins/graph/server/lib/license_state.ts

@@ -7,13 +7,15 @@
 import Boom from 'boom';
 import { map } from 'rxjs/operators';
 import { Observable, Subscription } from 'rxjs';
+import { LicensingPluginStart } from '../../../licensing/server';
 import { ILicense } from '../../../licensing/common/types';
 import { checkLicense, GraphLicenseInformation } from '../../common/check_license';
 
 export class LicenseState {
   private licenseInformation: GraphLicenseInformation = checkLicense(undefined);
   private subscription: Subscription | null = null;
   private observable: Observable<GraphLicenseInformation> | null = null;
+  private _notifyUsage: LicensingPluginStart['featureUsage']['notifyUsage'] | null = null;
 
   private updateInformation(licenseInformation: GraphLicenseInformation) {
     this.licenseInformation = licenseInformation;
@@ -24,6 +26,17 @@ export class LicenseState {
     this.subscription = this.observable.subscribe(this.updateInformation.bind(this));
   }
 
+  public setNotifyUsage(notifyUsage: LicensingPluginStart['featureUsage']['notifyUsage']) {
+    this._notifyUsage = notifyUsage;
+  }
+
+  // 'Graph' is the only allowed feature here at the moment, if this gets extended in the future, add to the union type
+  public notifyUsage(featureName: 'Graph') {
+    if (this._notifyUsage) {
+      this._notifyUsage(featureName);
+    }
+  }
+
   public stop() {
     if (this.subscription) {
       this.subscription.unsubscribe();

x-pack/plugins/graph/server/plugin.ts

@@ -5,8 +5,8 @@
  */
 
 import { i18n } from '@kbn/i18n';
-import { Plugin, CoreSetup } from 'src/core/server';
-import { LicensingPluginSetup } from '../../licensing/server';
+import { Plugin, CoreSetup, CoreStart } from 'src/core/server';
+import { LicensingPluginSetup, LicensingPluginStart } from '../../licensing/server';
 import { LicenseState } from './lib/license_state';
 import { registerSearchRoute } from './routes/search';
 import { registerExploreRoute } from './routes/explore';
@@ -34,6 +34,7 @@ export class GraphPlugin implements Plugin {
     licenseState.start(licensing.license$);
     this.licenseState = licenseState;
     core.savedObjects.registerType(graphWorkspace);
+    licensing.featureUsage.register('Graph', 'platinum');
 
     if (home) {
       registerSampleData(home.sampleData, licenseState);
@@ -79,7 +80,10 @@ export class GraphPlugin implements Plugin {
     registerExploreRoute({ licenseState, router });
   }
 
-  public start() {}
+  public start(core: CoreStart, { licensing }: { licensing: LicensingPluginStart }) {
+    this.licenseState!.setNotifyUsage(licensing.featureUsage.notifyUsage);
+  }
+
   public stop() {
     if (this.licenseState) {
       this.licenseState.stop();

x-pack/plugins/graph/server/routes/explore.ts

@@ -42,6 +42,7 @@ export function registerExploreRoute({
         response
       ) => {
         verifyApiAccess(licenseState);
+        licenseState.notifyUsage('Graph');
         try {
           return response.ok({
             body: {

x-pack/plugins/graph/server/routes/search.ts

@@ -42,6 +42,7 @@ export function registerSearchRoute({
         response
       ) => {
         verifyApiAccess(licenseState);
+        licenseState.notifyUsage('Graph');
         const includeFrozen = await uiSettings.get<boolean>(UI_SETTINGS.SEARCH_INCLUDE_FROZEN);
         try {
           return response.ok({