在使用 Node.js 的情况下创建使用 SSL 证书的 TCP 连接

使用具有 SSL（安全套接字层）证书的 Node.js npm mysql 模块，打开与 Cloud SQL for MySQL 的 TCP 连接。

代码示例

Node.js

如需向 Cloud SQL for MySQL 进行身份验证，请设置应用默认凭据。如需了解详情，请参阅为本地开发环境设置身份验证。

const mysql = require('promise-mysql');
const fs = require('fs');

// createTcpPool initializes a TCP connection pool for a Cloud SQL
// instance of MySQL.
const createTcpPool = async config => {
  // Note: Saving credentials in environment variables is convenient, but not
  // secure - consider a more secure solution such as
  // Cloud Secret Manager (https://cloud.google.com/secret-manager) to help
  // keep secrets safe.
  const dbConfig = {
    host: process.env.INSTANCE_HOST, // e.g. '127.0.0.1'
    port: process.env.DB_PORT, // e.g. '3306'
    user: process.env.DB_USER, // e.g. 'my-db-user'
    password: process.env.DB_PASS, // e.g. 'my-db-password'
    database: process.env.DB_NAME, // e.g. 'my-database'
    // ... Specify additional properties here.
    ...config,
  };

  // (OPTIONAL) Configure SSL certificates
  // For deployments that connect directly to a Cloud SQL instance without
  // using the Cloud SQL Proxy, configuring SSL certificates will ensure the
  // connection is encrypted.
  if (process.env.DB_ROOT_CERT) {
    dbConfig.ssl = {
      sslmode: 'verify-full',
      ca: fs.readFileSync(process.env.DB_ROOT_CERT), // e.g., '/path/to/my/server-ca.pem'
      key: fs.readFileSync(process.env.DB_KEY), // e.g. '/path/to/my/client-key.pem'
      cert: fs.readFileSync(process.env.DB_CERT), // e.g. '/path/to/my/client-cert.pem'
    };
  }

  // Establish a connection to the database.
  return mysql.createPool(dbConfig);
};

后续步骤

如需搜索和过滤其他 Google Cloud 产品的代码示例，请参阅 Google Cloud 示例浏览器。