Gitlab Project Migrations

composer.json

{
    "name": "napp/gitlab-migration",
    "require": {
        "php-http/guzzle6-adapter": "^1.0",
        "m4tthumphrey/php-gitlab-api": "^9.13"
    }
}

index.php

<?php

ini_set('max_execution_time', 0);

require __DIR__ . '/vendor/autoload.php';

// Gitlab Current Server
$currentServerUrl = 'https://example.mygitlab.com';
$currentServerAuthToken = 'current_server_token';
$currentServerGroupId = 123;
$username = 'myuser';
$password = 'mypass';

// Gitlab Receiving Server
$receivingServerUrl = 'https://gitlab.com';
$receivingServerAuthToken = 'new_server_token';
$receivingServerGroupId = 311;


// connect to current server
$client = \Gitlab\Client::create($currentServerUrl)
    ->authenticate($currentServerAuthToken,\Gitlab\Client::AUTH_URL_TOKEN);

// using pager to get all projects in group
$pager = new \Gitlab\ResultPager($client);
$projects = $pager->fetchAll($client->groups(), 'projects', [$currentServerGroupId, ['simple' => true]]);
$filtered = array_map(function ($element) use ($username, $password) {
    return  [
        'name' => $element['name'],
        'description' => $element['description'],
        'repo_url' => str_replace('https://', "https://{$username}:{$password}@", $element['http_url_to_repo'])
    ];
}, $projects);


///////////////////////////
/// MIGRATE TO NEW SERVER
///////////////////////////

$receivingClient = \Gitlab\Client::create($receivingServerUrl)
    ->authenticate($receivingServerAuthToken,\Gitlab\Client::AUTH_URL_TOKEN);

foreach ($filtered as $project) {
    try {
        $response = $receivingClient->projects()->create($project['name'], [
            'description' => $project['description'],
            'import_url' => $project['repo_url'],
            'namespace_id' => $receivingServerGroupId
        ]);

        echo $project['name'] . ' is imported <br>';
    } catch(\Exception $exception){
        // error
        echo $project['name'] . ' could not be imported <br>';
    }
}