chore: feature flag for startup tasks

src/lib/server-impl.ts

@@ -35,6 +35,7 @@ import * as eventType from './types/events';
 import { Db } from './db/db';
 import { defaultLockKey, defaultTimeout, withDbLock } from './util/db-lock';
 import { scheduleServices } from './features/scheduler/schedule-services';
+import { scheduleStartupTasks } from './features/startup-tasks/startup-task-runner';
 
 async function createApp(
     config: IUnleashConfig,
@@ -50,6 +51,10 @@ async function createApp(
         await scheduleServices(services);
     }
 
+    if (config.flagResolver.isEnabled('startupTasks')) {
+        await scheduleStartupTasks(services);
+    }
+
     const metricsMonitor = createMetricsMonitor();
     const unleashSession = sessionDb(config, db);
 

src/lib/types/experimental.ts

@@ -44,7 +44,8 @@ export type IFlagKey =
     | 'extendedUsageMetrics'
     | 'extendedUsageMetricsUI'
     | 'adminTokenKillSwitch'
-    | 'changeRequestConflictHandling';
+    | 'changeRequestConflictHandling'
+    | 'startupTasks';
 
 export type IFlags = Partial<{ [key in IFlagKey]: boolean | Variant }>;
 
@@ -203,6 +204,10 @@ const flags: IFlags = {
         process.env.UNLEASH_EXPERIMENTAL_CHANGE_REQUEST_CONFLICT_HANDLING,
         false,
     ),
+    startupTasks: parseEnvVarBoolean(
+        process.env.UNLEASH_EXPERIMENTAL_STARTUP_TASKS,
+        false,
+    ),
 };
 
 export const defaultExperimentalOptions: IExperimentalOptions = {