Mysql Connect in google cloud sql

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I cannot connect to MySQL from Google cloud compute engine to MySQL storage. When I go to 172.146.221.156/test.php on browser showing an error message like this

Warning: mysqli_connect(): (HY000/2002): Permission denied in /var/www/html/test.php on line 21 Connect Error (2002'

My config file is:

<?php
$conn = mysqli_connect("176.154.226.114", "root", "password");
if (!$conn) 
{
    die('Connect Error (' .mysqli_connect_errno());
}
?>

What am I doing wrong?

Have you setup security in your Cloud SQL instance? The ip of the compute engine instance should be whitelisted in your cloud sql instance. You can find it under Access control --> Authorized networks

Connecting to Cloud SQL from external applications, https://cloud.google.com › › Cloud SQL › Documentation › MySQL This page describes how to use the mysql client, installed on a Compute Engine instance, to connect to Cloud SQL. If you are connecting to a MySQL instance, you can use private IP, public IP, the Cloud SQL Proxy, or the proxy Docker image. Before you begin. Before you can connect to your Cloud SQL instance, you must have a default database user (root) on the instance. This task does not include instructions for setting up your Compute Engine instance.

in your google cloud => go to sql=> click on your instance => connections => Public IP add 0.0.0.0/0 as an allowed network then save.

or write in google my ip and add it if you want only you have a remotely access.

Connecting a MySQL client from Compute Engine, https://cloud.google.com › › Cloud SQL › Documentation › MySQL This page contains information and examples for connecting to a Cloud SQL instance from a service running in Cloud Functions. Cloud SQL is a fully-managed database service that makes it easy to set up, maintain, manage, and administer your relational PostgreSQL and MySQL databases in the cloud. Cloud Functions is a lightweight compute solution for developers to create single-purpose, stand-alone functions that respond to Cloud events without the need to manage a server or runtime environment.

I'm running on CentOS 7 and ran into the same problem until I found the following post: Connect DATABASE Error TYPE: 2002: Permission denied

Basically setsebool -P httpd_can_network_connect_db 1

That solved my problem without disabling SELinux.

Hope it helps.

Quickstart for Cloud SQL for MySQL, This page shows you how to create and connect to a MySQL instance and perform basic SQL operations using the Google Cloud Console and a client. Quickstart for Cloud SQL for MySQL; Quickstart for using the proxy for local testing; Quickstart for connecting to Cloud SQL using Cloud Run; Quickstart for connecting to Cloud SQL using Cloud Functions

Connect to Google Cloud SQL for MySQL, You must have at least cloudsql.client permission in the Cloud SQL project to create the connection. If you don't have this access, you can use the MySQL  Go to the Google Cloud Console. Go to the Google Cloud Console. Click the Cloud Shell icon towards the right in the tool bar. The Cloud Shell takes a few moments to initialize. At the Cloud Shell prompt, use the built-in client to connect to your Cloud SQL instance: gcloud sql connect [INSTANCE_ID] --user=root Enter your password.

Connecting to Cloud SQL - Codelabs, Cloud SQL is a fully-managed database service that makes it easy to set up, maintain, and administer your relational PostgreSQL and MySQL databases in the  Connect to Google Cloud SQL for MySQL Connect Data Studio to Google Cloud SQL databases. Cloud SQL is a fully-managed database service that makes it easy to set-up, maintain, manage and administer

Create a Managed MySQL database with Cloud SQL, In this lab, we will create a new, empty Cloud SQL instance, connect to it using the MySQL How to access the Cloud SQL web UI in the Google Cloud Console​. This post will show you how to create a Google Cloud SQL instance and connect your Google Cloud SQL instance database with MySQL Workbench. Before connecting, make sure you have enabled billing for Google Cloud Engine. Creating a Google Cloud SQL instance. Go to the Google Cloud Console. Create a new Cloud Console project, or open an existing

Comments
  • Possible duplicate of Connect DATABASE Error TYPE: 2002: Permission denied
  • Yes. My public is in white listed. Now i am facing another issue. I can connect with mysql_connect(). But i cannot connect with mysqli_connect(). What will be the reason?? Does anyone know how?
  • New at this. Not sure how to do 'mark as duplicate'. Just thought what I found could help.
  • No worries. I will do it,