fix: publish registation event on key file update

app/core/watchers/registration.ts

@@ -3,10 +3,14 @@
  * Written by: Alexis Tyler
  */
 
+import chokidar from 'chokidar';
 import { coreLogger, logger } from '../log';
 import { pubsub } from '../pubsub';
-import { getKeyFile, sleep } from '../utils';
+import { getKeyFile } from '../utils';
 import { bus } from '../bus';
+import { varState } from '../states';
+
+const fileWatchers: chokidar.FSWatcher[] = [];
 
 export const keyFile = () => {
 	const listener = async (data: any) => {
@@ -36,13 +40,49 @@ export const keyFile = () => {
 		});
 	};
 
+	let timeout: NodeJS.Timeout;
 	return {
 		start() {
 			// Update registration when regTy, regCheck, etc changes
 			bus.on('var', listener);
+
+			// Update registration when key file is updated on disk
+			const watcher = chokidar.watch('/boot/config', {
+				persistent: true,
+				ignoreInitial: true,
+				ignored: (path: string) => !path.endsWith('.key')
+			});
+
+			// Key file has updated, updating registration
+			watcher.on('all', async () => {
+				// Reset timeout
+				clearTimeout(timeout);
+
+				// Get key file
+				const keyFile = varState.data.regFile ? await getKeyFile(varState.data.regFile) : '';
+				const registration = {
+					guid: varState.data.regGuid,
+					type: varState.data.regTy.toUpperCase(),
+					state: varState.data.regState,
+					keyFile: {
+						location: varState.data.regFile,
+						contents: keyFile
+					}
+				};
+
+				await pubsub.publish('registration', {
+					registration
+				}).catch(error => {
+					coreLogger.error('Failed publishing to "registration" with %s', error);
+				});
+			});
+
+			// Save ref for cleanup
+			fileWatchers.push(watcher);
 		},
 		stop() {
 			bus.removeListener('var', listener);
+			fileWatchers.forEach(async watcher => watcher.close());
 		}
 	};
 };