Revert "✨ feat(db): web和gm添加只读库支持"

This reverts commit 5564a8363de57d8082b60a3a2255709aab957019.

web-server/app.ts

@@ -2,7 +2,7 @@ import 'reflect-metadata'
 import * as mongoose from 'mongoose';
 import { Application, IBoot } from 'egg';
 import { connectRedis } from './app/pubUtils/redis';
-import { loadGmDb, loadRODb, loadSubDb } from '@db/index';
+import { loadGmDb, loadSubDb } from '@db/index';
 import { SDK_TA_CONST, THINKING_DATA_MODE, THINKING_DATA_MODE_LIST } from '@consts';
 const ThinkingAnalytics = require("thinkingdata-node");
 
@@ -20,7 +20,6 @@ export default class FooBoot implements IBoot {
     await this.connectDB(this.app);
     await this.connectGMDB(this.app);
     await this.connectSubDB(this.app);
-    await this.connectRODB(this.app);
     await this.connectRedis(this.app);
 
     this.app.config.realEnv = this.app.config.env;
@@ -105,20 +104,6 @@ export default class FooBoot implements IBoot {
     }
   }
 
-  public async connectRODB(app: Application) {
-    const { url, options } = app.config.romongoose||app.config.mongoose
-    try {
-      if (url) {
-        const connection = await mongoose.createConnection(url, options)
-        app.context.connectionRO = connection;
-        loadRODb(connection);
-        console.log('******connectSubDB suc', url, options)
-      }
-    } catch(e) {
-      console.log(e)
-    }
-  }
-
   public async connectRedis(app: Application) {
     const { url, pw } = app.config.redis
     if (url) {