fix(striker-ui-api): simplify get local host UUID

striker-ui-api/src/lib/accessModule.ts

@@ -122,10 +122,16 @@ const dbSubRefreshTimestamp = () =>
 const dbWrite = (query: string, options?: SpawnSyncOptions) =>
   execAnvilAccessModule(['--query', query, '--mode', 'write'], options);
 
+const getLocalHostUUID = () =>
+  execModuleSubroutine('host_uuid', {
+    subModuleName: 'Get',
+  }).stdout;
+
 export {
   dbJobAnvilSyncShared,
   dbQuery,
-  execModuleSubroutine as sub,
   dbSubRefreshTimestamp,
   dbWrite,
+  getLocalHostUUID,
+  execModuleSubroutine as sub,
 };

striker-ui-api/src/lib/request_handlers/network-interface/getNetworkInterface.ts

@@ -1,4 +1,4 @@
-import { sub } from '../../accessModule';
+import { getLocalHostUUID } from '../../accessModule';
 
 import buildGetRequestHandler from '../buildGetRequestHandler';
 
@@ -7,9 +7,7 @@ export const getNetworkInterface = buildGetRequestHandler(
     let localHostUUID: string;
 
     try {
-      localHostUUID = sub('host_uuid', {
-        subModuleName: 'Get',
-      }).stdout;
+      localHostUUID = getLocalHostUUID();
     } catch (subError) {
       console.log(`Failed to get local host UUID; CAUSE: ${subError}`);
 

striker-ui-api/src/lib/request_handlers/server/getServerDetail.ts

@@ -6,7 +6,7 @@ import path from 'path';
 import { REP_UUID } from '../../consts/REG_EXP_PATTERNS';
 import SERVER_PATHS from '../../consts/SERVER_PATHS';
 
-import { dbQuery, sub } from '../../accessModule';
+import { dbQuery, getLocalHostUUID, sub } from '../../accessModule';
 import { sanitizeQS } from '../../sanitizeQS';
 import { mkfifo, rm } from '../../shell';
 
@@ -42,9 +42,7 @@ export const getServerDetail: RequestHandler = (request, response) => {
     let requestHostUUID: string, serverHostUUID: string;
 
     try {
-      requestHostUUID = sub('host_uuid', {
-        subModuleName: 'Get',
-      }).stdout;
+      requestHostUUID = getLocalHostUUID();
     } catch (subError) {
       console.log(`Failed to get local host UUID; CAUSE: ${subError}`);