/**
* validates test dependencies including:
* fio Performs actual testing - version 2.0+ required
* gnuplot Generates graphs per the SNIA test specification. These graphs
* are used in the PDF report
* hdparm Used for ATA secure erase (when supported)
* util-linux For TRIM operations using `blkdiscard` and `fstrim` (when
* supported). Not required if test targets are rotational
* wkhtmltopdf Generates PDF version of report - download from
* http://wkhtmltopdf.org
* zip Archives HTML test report into a single zip file
* returns an array containing the missing dependencies (array is empty if
* all dependencies are valid)
* @param array $options the run options (see BlockStorageTest::getRunOptions)
* @return array
*/
public static function validateDependencies($options)
{
$dependencies = array('fio' => 'fio');
// reporting dependencies
if (!isset($options['noreport']) || !$options['noreport']) {
$dependencies['gnuplot'] = 'gnuplot';
$dependencies['zip'] = 'zip';
if (!isset($options['nopdfreport']) || !$options['nopdfreport']) {
$dependencies['wkhtmltopdf'] = 'wkhtmltopdf';
}
}
// ATA secure erase requires hdparm
if ((!isset($options['nosecureerase']) || !$options['nosecureerase']) && isset($options['secureerase_pswd'])) {
$dependencies['hdparm'] = 'hdparm';
}
// non-rotational devices require trim
if (!isset($options['notrim']) || !$options['notrim']) {
$nonrotational = FALSE;
foreach ($options['target'] as $target) {
if (!BlockStorageTest::isRotational($target)) {
$nonrotational = TRUE;
break;
}
}
if (!$nonrotational) {
$dependencies['fstrim'] = 'util-linux';
}
}
return validate_dependencies($dependencies);
}
