fix(mobius): mobius cluster should be inferred from serviceUrl in hostCatalog (webex#3858)

Co-authored-by: Shreyas Sharma <[email protected]>

Author: bhabalan

packages/calling/src/CallingClient/CallingClient.test.ts

@@ -41,6 +41,7 @@ import {
   mockCatalogUSInt,
   mockCatalogUS,
   mockCatalogEUInt,
+  mockUSServiceHosts,
 } from './callingClientFixtures';
 import Line from './line';
 import {filterMobiusUris} from '../common/Utils';
@@ -67,6 +68,40 @@ describe('CallingClient Tests', () => {
     });
   }
 
+  describe('CallingClient pick Mobius cluster using Service Host Tests', () => {
+    afterAll(() => {
+      callManager.removeAllListeners();
+      webex.internal.services['_serviceUrls']['mobius'] =
+        'https://mobius.aintgen-a-1.int.infra.webex.com/api/v1';
+      webex.internal.services['_hostCatalog'] = mockCatalogUS;
+    });
+
+    it('should set mobiusServiceHost correctly when URL is valid', async () => {
+      webex.internal.services._hostCatalog = mockCatalogEU;
+      webex.internal.services['_serviceUrls']['mobius'] =
+        'https://mobius-eu-central-1.prod.infra.webex.com/api/v1';
+      const urlSpy = jest.spyOn(window, 'URL').mockImplementation((url) => new window.URL(url));
+      const callingClient = await createClient(webex, {logger: {level: LOGGER.INFO}});
+
+      expect(urlSpy).toHaveBeenCalledWith(
+        'https://mobius-eu-central-1.prod.infra.webex.com/api/v1'
+      );
+
+      expect(callingClient['mobiusClusters']).toStrictEqual(mockEUServiceHosts);
+
+      urlSpy.mockRestore();
+    });
+
+    it('should use default mobius service host when Service URL is invalid', async () => {
+      webex.internal.services._hostCatalog = mockCatalogUS;
+      webex.internal.services._serviceUrls.mobius = 'invalid-url';
+
+      const callingClient = await createClient(webex, {logger: {level: LOGGER.INFO}});
+
+      expect(callingClient['mobiusClusters']).toStrictEqual(mockUSServiceHosts);
+    });
+  });
+
   describe('ServiceData tests', () => {
     let callingClient: ICallingClient | undefined;
 

packages/calling/src/CallingClient/CallingClient.ts

@@ -106,6 +106,7 @@ export class CallingClient extends Eventing<CallingClientEventTypes> implements
       : {indicator: ServiceIndicator.CALLING, domain: ''};
 
     const logLevel = this.sdkConfig?.logger?.level ? this.sdkConfig.logger.level : LOGGER.ERROR;
+    log.setLogger(logLevel, CALLING_CLIENT_FILE);
     validateServiceData(serviceData);
 
     this.callManager = getCallManager(this.webex, serviceData.indicator);
@@ -115,7 +116,18 @@ export class CallingClient extends Eventing<CallingClientEventTypes> implements
 
     this.primaryMobiusUris = [];
     this.backupMobiusUris = [];
+    let mobiusServiceHost = '';
+    try {
+      mobiusServiceHost = new URL(this.webex.internal.services._serviceUrls.mobius).host;
+    } catch (error) {
+      log.warn(`Failed to parse mobius service URL`, {
+        file: CALLING_CLIENT_FILE,
+        method: this.constructor.name,
+      });
+    }
+
     this.mobiusClusters =
+      (mobiusServiceHost && this.webex.internal.services._hostCatalog[mobiusServiceHost]) ||
       this.webex.internal.services._hostCatalog[MOBIUS_US_PROD] ||
       this.webex.internal.services._hostCatalog[MOBIUS_EU_PROD] ||
       this.webex.internal.services._hostCatalog[MOBIUS_US_INT] ||
@@ -124,8 +136,6 @@ export class CallingClient extends Eventing<CallingClientEventTypes> implements
 
     this.registerSessionsListener();
 
-    log.setLogger(logLevel, CALLING_CLIENT_FILE);
-
     this.registerCallsClearedListener();
   }