chore: remove DB access checker (#10639)

Reverts our latest changes regarding debug logs.

src/lib/db/aws-iam.ts

@@ -16,12 +16,7 @@ export const getDBPasswordResolver = (db: IDBOption): PasswordResolver => {
             port: db.port,
             username: db.user,
         });
-        return async () => {
+        return async () => signer.getAuthToken();
-            console.log('[AWS RDS SIGNER] Getting token...');
-            const token = await signer.getAuthToken();
-            console.log(`[AWS RDS SIGNER] Got token!`);
-            return token;
-        };
     }
 
     return async () => db.password;

src/lib/db/db-access-checker.ts

@@ -1,34 +0,0 @@
-import postgresPkg from 'pg';
-const { Client } = postgresPkg;
-import type { IDBOption, Logger } from '../server-impl.js';
-import { getDBPassword } from './aws-iam.js';
-
-export const dbAccessChecker = async (db: IDBOption, logger: Logger) => {
-    if (!db.awsIamAuth) return;
-
-    logger.info(
-        'Using AWS IAM authentication for database connection. Checking DB access...',
-    );
-
-    const password = await getDBPassword(db);
-
-    const client = new Client({
-        host: db.host,
-        port: db.port,
-        user: db.user,
-        database: db.database,
-        password,
-        statement_timeout: 10_000,
-        connectionTimeoutMillis: 10_000,
-    });
-    try {
-        await client.connect();
-        await client.query('SELECT 1');
-        logger.info('DB auth/connection successful');
-    } catch (e: any) {
-        const code = e?.code ?? 'unknown';
-        throw new Error(`DB auth/connection failed (pg code: ${code})`);
-    } finally {
-        await client.end().catch(() => {});
-    }
-};

src/lib/server-impl.ts

@@ -186,7 +186,6 @@ import { UPDATE_REVISION } from './features/feature-toggle/configuration-revisio
 import type { IFeatureUsageInfo } from './services/version-service.js';
 import { defineImpactMetrics } from './features/metrics/impact/define-impact-metrics.js';
 import type { IClientInstance } from './types/stores/client-instance-store.js';
-import { dbAccessChecker } from './db/db-access-checker.js';
 
 export async function initialServiceSetup(
     { authentication }: Pick<IUnleashConfig, 'authentication'>,
@@ -337,10 +336,6 @@ async function start(
     const config = createConfig(opts);
     const logger = config.getLogger('server-impl.js');
 
-    if (config.db.awsIamAuth) {
-        await dbAccessChecker(config.db, logger);
-    }
-
     try {
         if (config.db.disableMigration) {
             logger.info('DB migration: disabled');