Thursday 2 July 2015

Udemy's Aws Certified Developer Associate DynamoDB scripts

I've been plowing through this course from Udamy and enjoying it loads but I'm also aware that the AWS SDK for PHP has recently been updated. I cloned the files from GitHub but they failed, and failed silently.

After checking the errors with the judicious use of:

<?php
    // Find out what the issues are:
    ini_set('display_errors',1);
    ini_set('display_startup_errors',1);
    error_reporting(-1);
    // Rest of the code

I discovered that a version is now required and that a TimeZone is also wanted so I altered the code to include these requirements.

<?php
    // Find out what the issues are:
    ini_set('display_errors',1);
    ini_set('display_startup_errors',1);
    error_reporting(-1);

    // Date now needs to be set, which I guess is a good thing!
    date_default_timezone_set('Europe/London');
   
    require '/var/www/html/vendor/autoload.php';
    use Aws\DynamoDb\DynamoDbClient;
    
    $client = DynamoDbClient::factory(array(
        'region' => 'eu-west-1',  // replace with your desired region
        'version' => '2012-08-10' // Now needs a version
    ));
    // Rest of the code

However the waitUntilTableExists method was still causing issues so after a little research I changed it.

    // Rest of the code
    foreach($tableNames as $tableName) {
        echo "Waiting for table $tableName to be created." . PHP_EOL;
        $client->waitUntil('TableExists', array('TableName' => $tableName)); // Changed from v2
        echo "Table $tableName has been created." . PHP_EOL;
    }
?>

The script for loading data also required the version and TimeZone so I altered that as well. Adapted source available on GitHub and Pull Request submitted.

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