@carlosbajo/roket-micro/lib/db.js

framework para microservicios con google/pubsub

const mongoose = require('mongoose');
const Boom = require('boom');
const winston = require('winston');
const Redis = require('ioredis');
const { MongoClient } = require('mongodb'); // eslint-disable-line
const fs = require('fs');


console.log(process.env.GOOGLE_APPLICATION_CREDENTIALS);

const fileKey = fs.readFileSync(process.env.GOOGLE_APPLICATION_CREDENTIALS); // eslint-disable-line

const key = JSON.parse(fileKey);
console.log(key);

const isLocal = key.client_email.includes('local');

module.exports = {
  connect: (config) => {
    let datasource;
    const mongoUrl = process.env.MONGO_URL || 'mongo';
    const mongod = process.env.MONGO_DATABASE || 'test';
    const ssl = process.env.SSL || true;
    const replicaSet = process.env.REPLICASET || 'rs0';
    const authSource = process.env.AUTHSOURCE || 'admin';
    const conMongo = `${mongoUrl}/${mongod}`;
    const options = {
      useMongoClient: true,
    }
    const redisUrl = process.env.REDIS_URL || 'redis';
    const redisD = process.env.REDIS_DATABASE || '0';
    const conRedis = `${redisUrl}/${redisD}`;
    switch (config) {
      case 'mongo':
        winston.info('Mongo complete url', `mongodb://${conMongo}`);
        datasource = mongoose.connect(`mongodb://${conMongo}`, options,
        (err) => {
          if (err) {
            throw err;
          }
        });
        break;
      case 'redis':
        winston.info('Redis complete url', `redis://${conRedis}`);
        datasource = new Redis(6379, redisUrl, { connectTimeout: 999999 });
        break;
      case 'mongoNative':
        if (isLocal) {
          winston.info('Mongo complete url', `mongodb://${conMongo}`);
          datasource = MongoClient.connect(`mongodb://${conMongo}`);
        } else {
          winston.info('Mongo complete url', `mongodb://${conMongo}?ssl=${ssl}&replicaSet=${replicaSet}&authSource=${authSource}`);
          datasource = MongoClient.connect(`mongodb://${conMongo}?ssl=${ssl}&replicaSet=${replicaSet}&authSource=${authSource}`);
        }
        break;
      default:
        throw Boom.conflict('No esta ese datasource');
    }
    return datasource;
  }
};