Add config option for Disabling timestamp in log

Signed-off-by: Yannick Bungers <git@innay.de>

backend/src/config/app.config.ts

@@ -20,6 +20,7 @@ export interface AppConfig {
   rendererBaseUrl: string;
   port: number;
   loglevel: Loglevel;
+  showLogTimestamp: boolean;
   persistInterval: number;
 }
 
@@ -59,6 +60,10 @@ const schema = Joi.object({
     .default(Loglevel.WARN)
     .optional()
     .label('HD_LOGLEVEL'),
+  showLogTimestamp: Joi.boolean()
+    .default(true)
+    .optional()
+    .label('HD_SHOW_LOG_TIMESTAMP'),
   persistInterval: Joi.number()
     .integer()
     .min(0)
@@ -79,6 +84,7 @@ export default registerAs('appConfig', () => {
       rendererBaseUrl: process.env.HD_RENDERER_BASE_URL,
       port: parseOptionalNumber(process.env.HD_BACKEND_PORT),
       loglevel: process.env.HD_LOGLEVEL,
+      showLogTimestamp: process.env.HD_SHOW_LOG_TIMESTAMP,
       persistInterval: process.env.HD_PERSIST_INTERVAL,
     },
     {

backend/src/config/mock/app.config.mock.ts

@@ -15,6 +15,7 @@ export function createDefaultMockAppConfig(): AppConfig {
     rendererBaseUrl: 'md-renderer.example.com',
     port: 3000,
     loglevel: Loglevel.ERROR,
+    showLogTimestamp: true,
     persistInterval: 10,
   };
 }

backend/src/logger/console-logger.service.ts

@@ -149,17 +149,17 @@ export class ConsoleLoggerService implements LoggerService {
       day: '2-digit',
       month: '2-digit',
     };
-    //TODO make timestamp optional (https://github.com/hedgedoc/hedgedoc/issues/5033)
-    const timestamp = new Date(Date.now()).toLocaleString(
-      undefined,
-      localeStringOptions,
-    );
-
+    let timeString = '';
+    if (this.appConfig.showLogTimestamp) {
+      timeString =
+        new Date(Date.now()).toLocaleString(undefined, localeStringOptions) +
+        ' ';
+    }
     const contextMessage = context ? blue(`[${context}] `) : '';
     const timestampDiff = this.updateAndGetTimestampDiff(isTimeDiffEnabled);
 
     process.stdout.write(
-      `${timestamp} ${contextMessage}${output}${timestampDiff}\n`,
+      `${timeString}${contextMessage}${output}${timestampDiff}\n`,
     );
   }