protected function authenticate()
{
$username = $this->cxt('username');
$password = $this->cxt('password');
$account = $this->cxt('account');
$key = $this->cxt('key');
$tenantId = $this->cxt('tenantid');
$authUrl = $this->cxt('endpoint');
$ident = new \HPCloud\Services\IdentityServices($authUrl);
// Frustrated? Go burninate. http://www.homestarrunner.com/trogdor.html
if (!empty($username) && !empty($password)) {
$token = $ident->authenticateAsUser($username, $password, $tenantId);
} elseif (!empty($account) && !empty($key)) {
$token = $ident->authenticateAsAccount($account, $key, $tenantId);
} else {
throw new \HPCloud\Exception('Either username/password or account/key must be provided.');
}
// Cache the service catalog.
self::$serviceCatalogCache[$token] = $ident->serviceCatalog();
return $ident;
}
