vjudge: support enableOn option

packages/vjudge/package.json

@@ -1,6 +1,6 @@
 {
     "name": "@hydrooj/vjudge",
-    "version": "1.5.0-next.12",
+    "version": "1.5.0-next.13",
     "description": "Submit problems to remote oj",
     "main": "package.json",
     "repository": "https://github.com/hydro-dev/Hydro.git",

packages/vjudge/src/interface.ts

@@ -11,6 +11,7 @@ export interface RemoteAccount {
     query?: string;
     frozen?: string;
     problemLists?: string[];
+    enableOn?: string[];
 }
 declare module 'hydrooj/src/interface' {
     interface Collections {

packages/vjudge/src/model.ts

@@ -1,4 +1,5 @@
 /* eslint-disable no-await-in-loop */
+import os from 'os';
 import { sleep } from '@hydrooj/utils/lib/utils';
 import * as Judge from 'hydrooj/src/handler/judge';
 import { Logger } from 'hydrooj/src/logger';
@@ -131,6 +132,7 @@ async function loadAccounts() {
     const accounts = await coll.find().toArray();
     for (const account of accounts) {
         if (!providers[account.type]) continue;
+        if (account.enableOn && !account.enableOn.includes(os.hostname())) continue;
         Pool[`${account.type}/${account.handle}`] = new Service(providers[account.type], account);
     }
 }