Using Google Cloud SQL with dev_appserver.py and Laravel (PHP) - php

I am having issues trying to work with a Cloud SQL instance and Laravel. I was able to do local dev work on a Cloud SQL instance with Python but I can't seem to get it with PHP.
Here is the error I get:
SQLSTATE[HY000] [2002] Can't connect to local MySQL server through socket '/cloudsql/project:instance-db'
Here is my app/config/database.php:
<?php
return array(
'fetch' => PDO::FETCH_CLASS,
'default' => 'mysql',
'connections' => array(
'mysql' => array(
'driver' => 'mysql',
'unix_socket' => '/cloudsql/my-project:instance-id',
'host' => '',
'database' => 'my_database',
'username' => 'root',
'password' => '',
'charset' => 'utf8',
'collation' => 'utf8_unicode_ci',
'prefix' => '',
),
),
'migrations' => 'migrations',
);
It all works when deployed just not locally.

You cannot connect to CloudSQL from your local machine right now. For testing you should use a local MySQL instance the CloudSQL instance when running in production.

You should be able to assign an IP address to your Cloud SQL instance and allow your own network to access the instance in the management console.
Assigning an IP address will cost extra.

Related

Laravel app hosted on Heroku with a Amazon RDS MySQL Database results in a connection time out

I have a Heroku app where I'm hosting my Laravel app. I started the development initially with MySQL, so I wanted to continue doing so using Amazon's RDS service. I create the instance there and managed to successfully connect via my MySQL client, the console etc.
The problem is that the Laravel app can't connect the database after numerous desperate attempts for me to fix it. I have found some articles suggesting the use of DATABASE_URL environment variable is mandatory, so I added it via the Heroku app settings. It looks like so:
mysql://myusername:mypass#myhostnamefromamazon/mydb?sslca=/app/storage/certs/amazon-rds-ca-cert.pem
I found this solution on Heroku's website. I have placed the amazon-rds-ca-cert.pem file on my Laravel's storage folder, like so: /app/storage/certs/amazon-rds-ca-cert.pem
This didn't solve my issue, so then I kept looking and found a Stackoverflow question which had this issue on Lumen. I adjusted my config/database.php according to the answer, but it's still not working for me!
<?php
$credentials = get_db_credentials();
$config = [
'default' => env('DB_CONNECTION', 'mysql'),
'connections' => [
'mysql' => [
'driver' => 'mysql',
'host' => env('DB_HOST', $credentials->host),
'port' => env('DB_PORT', '3306'),
'database' => env('DB_DATABASE', $credentials->database),
'username' => env('DB_USERNAME', $credentials->username),
'password' => env('DB_PASSWORD', $credentials->password),
'unix_socket' => env('DB_SOCKET', ''),
'charset' => 'utf8mb4',
'collation' => 'utf8mb4_unicode_ci',
'prefix' => '',
'strict' => true,
'engine' => null,
],
],
];
if (env('APP_ENV') == 'production') {
$config['connections']['mysql']['options'] = [PDO::MYSQL_ATTR_SSL_CA => '../storage/certs/amazon-rds-ca-cert.pem'];
}
return $config;
The get_db_credentials() function simply parses the DATABASE_URL environment variable.
The exact exception that I get is:
[2018-10-25 19:32:16] production.ERROR: SQLSTATE[HY000] [2002] Connection timed out {"exception":"[object] (Doctrine\\DBAL\\Driver\\PDOException(code: 2002): SQLSTATE[HY000] [2002] Connection timed out at /tmp/build_05920c42a6de0a378402b798320d3f04/vendor/doctrine/dbal/lib/Doctrine/DBAL/Driver/PDOConnection.php:50
I'm totally lost on this and unsure how to proceed.
Your AWS Security Groups must permit traffic from Heroku's IP address range.
https://devcenter.heroku.com/articles/amazon-rds
You must grant Heroku dynos access to your RDS instance. The recommended way to do this is to configure the RDS instance to only accept SSL-encrypted connections from authorized users and configure the security group for your instance to permit ingress from all IPs, eg 0.0.0.0/0.

Phalcon, Docker MySQL connection fails

So I have 3 docker containers, one with PHP+PhalconPHP, one with MySQL and another with the webserver. Now on my host system I can connect to the MySQL in the docker container and I can also connect with PDO using the following code
new PDO('mysql:host=mysql;port=1024;dbname=database', 'root', 'password');
But for some reason the phalcon framework is unable to connect to the MySQL database using the config.php file like so
return new \Phalcon\Config([
'database' => [
'adapter' => 'mysql',
'port' => 1024,
'host' => 'mysql',
'username' => 'root',
'password' => 'password',
'dbname' => 'database',
'charset' => 'utf8',
],
]);
In this case, for some reason I am getting a Can't connect to MySQL server on 'mysql' (111 "Connection refused) even though I am 100% sure I can actually connect (as proven before with the PDO connection). I also tried hardcoding the actual MySQL container ip address but no luck either.
Any ideas?
So it appeared to be kind of a stupid "mistake" but here's the solution.
Apparently when you use the Phalcon Developer Tools to scaffold your project, it does not initialize the database with the port configuration as it outright ignores it. You can easily fix this by going into the app/config/services.php file and changing the db service to also include the port configuration.
$connection = new $class([
'host' => $config->database->host,
'port' => $config->database->port,
'username' => $config->database->username,
'password' => $config->database->password,
'dbname' => $config->database->dbname,
'charset' => $config->database->charset
]);

Can't connect to local MySQL server through socket '/var/mysql/mysql.sock' (38) on Godaddy Shared Server [duplicate]

This question already has answers here:
Can't connect to local MySQL server through socket '/var/mysql/mysql.sock' (38)
(43 answers)
Closed 6 years ago.
I tried hosting my Laravel App using Laravel Version 4 On Godaddy and it worked wel, but when I tried logging in, I got this error message:
Can't connect to local MySQL server through socket '/var/mysql/mysql.sock' (38)
NOTE A DUPLICATE: All the Answers there kept pointing to Installing MySQL and mostly referring to this issue on a localhost/System while mine is on a Live server and has nothing to do with MySQL
Okay I finally found the issue, If you ever encounter this on Godaddy, kindly check your Database configuration file in database.php, instead of localhost for the Host, you have to use Godaddy's Host for your Database.
So instead of this:
'mysql' => array(
'driver' => 'mysql',
'host' => 'localhost',
'database' => 'revailment',
'username' => 'revailment',
'password' => 'password',
'charset' => 'utf8',
'collation' => 'utf8_unicode_ci',
'prefix' => '',
),
Your configuration should be like this:
'mysql' => array(
'driver' => 'mysql',
'host' => 'revailment.db.9860920.hostedresource.com',
'database' => 'revailment',
'username' => 'revailment',
'password' => 'password',
'charset' => 'utf8',
'collation' => 'utf8_unicode_ci',
'prefix' => '',
),
Am hoping that this will also be of help to anyone who may encounter such issue in the Future.

Laravel database configuration for local and remote environment

I just have a database issue on my project/app/config/database.php. I want to my application can change its database when detecting its database environment. For example, if application is develop in local database, the database setting are all local parameter. If it detect that the database is on the remote server, it changes into remote database settings.
'mysql' => array(
'driver' => 'mysql',
'host' => $_ENV['DB_HOST'],
'database' => $_ENV['DB_NAME'],
'username' => $_ENV['DB_USER'],
'password' => $_ENV['DB_PASSWORD'],
'charset' => 'utf8',
'collation' => 'utf8_unicode_ci',
'prefix' => 'laravel_',
),
I've solved the problem, however, not by adding local folder in to config folder as the document said.
I check the article Working with Configuration in Laravel 4, it is useful if you use .env.local.php to protect you local database configuration.

Environment variables in database.php

I have added DB credentials as environment variables (using nginx), so that i can use them like so:
return array(
'connections' => array(
'mysql' => array(
'driver' => 'mysql',
'host' => 'localhost',
'database' => getenv('DB_NAME'),
'username' => getenv('DB_USER'),
'password' => getenv('DB_PASS'),
'charset' => 'utf8',
'collation' => 'utf8_unicode_ci',
'prefix' => '',
)
)
);
The problem is that when I use artisan the environment variables do not seem to be available, so when i run migrate or seed i get errors.
Is there a way around that or should i just write my DB credentials directly in my config file ?
To edit my previous answer (sorry for misunderstandig):
Yes, environment variables are created by server, so they can't be reached or modified from CLI. Before deploying, server is generating those variables, so they can be "injected" into application at runtime.
I am thinking that it is maybe possible to reach those variables through remote Laravel package and SSH ? For example php artisan tail command is reading locally errors from the server side.

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