public static function getInstance($config)
{
self::$config = $config;
$flag = $config['hostname'] . $config['database'];
if (isset(self::$instances[$flag])) {
return self::$instances[$flag];
}
return self::$instances[$flag] = new self();
}
/**
* Singleton constuctor
* @param string $host The database servers address (IP or hostname), defaults to 'localhost'
* @param string $database The MySQL database name.
* @param string $user The MySQL database name.
* @param string $pass The MySQL account password
*/
private function __construct($host, $database, $user, $pass)
{
try {
self::$db = new PDO('mysql:host=' . $host . ';dbname=' . $database . '', $user, $pass);
self::$db->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
} catch (PDOException $e) {
echo "Connection Error: " . $e->getMessage();
}
}
public function __construct($argv)
{
parent::__construct($argv);
$this->checkDependencies();
$this->enforceCli();
if (!$this->isSuperUser()) {
$this->writeln('You must be root to use this tool!');
$this->endWithError();
}
$this->conf = $this->conductorConfiguration();
$this->mysql = MysqlPdo::connect('information_schema', $this->conf->mysql->username, $this->conf->mysql->password, $this->conf->mysql->host);
}
