fix(core): Fix isLeader check in WaitTracker constructor (#9100)

packages/cli/src/WaitTracker.ts

@@ -29,16 +29,19 @@ export class WaitTracker {
 		private readonly workflowRunner: WorkflowRunner,
 		readonly orchestrationService: OrchestrationService,
 	) {
-		const { isLeader, isMultiMainSetupEnabled, multiMainSetup } = orchestrationService;
+		const { isSingleMainSetup, isLeader, multiMainSetup } = orchestrationService;
+
+		if (isSingleMainSetup) {
+			this.startTracking();
+			return;
+		}
 
 		if (isLeader) this.startTracking();
 
-		if (isMultiMainSetupEnabled) {
 		multiMainSetup
 			.on('leader-takeover', () => this.startTracking())
 			.on('leader-stepdown', () => this.stopTracking());
 	}
-	}
 
 	startTracking() {
 		this.logger.debug('Wait tracker started tracking waiting executions');

packages/cli/src/services/orchestration.service.ts

@@ -33,6 +33,10 @@ export class OrchestrationService {
 		);
 	}
 
+	get isSingleMainSetup() {
+		return !this.isMultiMainSetupEnabled;
+	}
+
 	redisPublisher: RedisServicePubSubPublisher;
 
 	get instanceId() {
@@ -40,7 +44,7 @@ export class OrchestrationService {
 	}
 
 	/**
-	 * Whether this instance is the leader in a multi-main setup. Always `true` in single-main setup.
+	 * Whether this instance is the leader in a multi-main setup. Always `false` in single-main setup.
 	 */
 	get isLeader() {
 		return config.getEnv('multiMainSetup.instanceType') === 'leader';

packages/cli/test/unit/WaitTracker.test.ts

@@ -10,8 +10,7 @@ jest.useFakeTimers();
 describe('WaitTracker', () => {
 	const executionRepository = mock<ExecutionRepository>();
 	const orchestrationService = mock<OrchestrationService>({
-		isLeader: true,
+		isSingleMainSetup: true,
-		isMultiMainSetupEnabled: false,
 	});
 
 	const execution = mock<IExecutionResponse>({
@@ -105,11 +104,21 @@ describe('WaitTracker', () => {
 		});
 	});
 
+	describe('single-main setup', () => {
+		it('should start tracking', () => {
+			executionRepository.getWaitingExecutions.mockResolvedValue([]);
+
+			new WaitTracker(mock(), executionRepository, mock(), mock(), orchestrationService);
+
+			expect(executionRepository.getWaitingExecutions).toHaveBeenCalledTimes(1);
+		});
+	});
+
 	describe('multi-main setup', () => {
 		it('should start tracking if leader', () => {
 			const orchestrationService = mock<OrchestrationService>({
 				isLeader: true,
-				isMultiMainSetupEnabled: true,
+				isSingleMainSetup: false,
 				multiMainSetup: mock<MultiMainSetup>({ on: jest.fn().mockReturnThis() }),
 			});
 
@@ -123,7 +132,7 @@ describe('WaitTracker', () => {
 		it('should not start tracking if follower', () => {
 			const orchestrationService = mock<OrchestrationService>({
 				isLeader: false,
-				isMultiMainSetupEnabled: true,
+				isSingleMainSetup: false,
 				multiMainSetup: mock<MultiMainSetup>({ on: jest.fn().mockReturnThis() }),
 			});