Add key and values to the GkeClusterLocator.ts script and add an unit test to check if those are there

Signed-off-by: armandocomellas1 <cgarmando@google.com>

.changeset/mighty-tomatoes-visit.md

@@ -0,0 +1,5 @@
+---
+'@backstage/plugin-kubernetes-backend': minor
+---
+
+At Line 91, in the second parameter enter a value for the property libName and libVersion to post headers to the key `x-goog-api-client`

plugins/kubernetes-backend/src/cluster-locator/GkeClusterLocator.test.ts

@@ -18,6 +18,7 @@ import { ANNOTATION_KUBERNETES_AUTH_PROVIDER } from '@backstage/plugin-kubernete
 import '@backstage/backend-common';
 import { ConfigReader, Config } from '@backstage/config';
 import { GkeClusterLocator } from './GkeClusterLocator';
+import { Duration } from 'luxon';
 
 const mockedListClusters = jest.fn();
 
@@ -485,5 +486,23 @@ describe('GkeClusterLocator', () => {
         },
       ]);
     });
+    it('Check if new container.v1.ClusterManagerClient has key and values as parameter', async () => {
+      const configs: Config = new ConfigReader({
+        type: 'gke',
+        projectId: 'some-project',
+      });
+
+      const refreshIntervals: Duration | undefined = undefined;
+      const getHeaders: GkeClusterLocator = GkeClusterLocator.fromConfig(
+        configs,
+        refreshIntervals,
+      );
+      const getKeyName = getHeaders.client._opts.hasOwnProperty(['libName']);
+      const getKeyVersion = getHeaders.client._opts.hasOwnProperty([
+        'libVersion',
+      ]);
+      expect(getKeyName).toBe(true);
+      expect(getKeyVersion).toBe(true);
+    });
   });
 });

plugins/kubernetes-backend/src/cluster-locator/GkeClusterLocator.ts

@@ -21,6 +21,7 @@ import * as container from '@google-cloud/container';
 import { Duration } from 'luxon';
 import { runPeriodically } from '../service/runPeriodically';
 import { ClusterDetails, KubernetesClustersSupplier } from '../types/types';
+import packageinfo from '../../package.json';
 
 interface MatchResourceLabelEntry {
   key: string;
@@ -80,13 +81,17 @@ export class GkeClusterLocator implements KubernetesClustersSupplier {
     return gkeClusterLocator;
   }
 
+  // At Line 91, in the second parameter enter a value for the property libName and libVersion to post headers to the key 'x-goog-api-client'
   static fromConfig(
     config: Config,
     refreshInterval: Duration | undefined = undefined,
   ): GkeClusterLocator {
     return GkeClusterLocator.fromConfigWithClient(
       config,
-      new container.v1.ClusterManagerClient(),
+      new container.v1.ClusterManagerClient({
+        libName: 'backstage/gke',
+        libVersion: packageinfo.version,
+      }),
       refreshInterval,
     );
   }