/**
* 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);
}
/**
* validates dependencies for the chosen benchmark db. returns TRUE if
* present, FALSE otherwise
* @return boolean
*/
private final function validateDependencies()
{
$dependencies = array();
if (isset($this->options['db'])) {
switch ($this->options['db']) {
case 'bigquery':
$dependencies['bq'] = 'Google Cloud SDK';
break;
case 'callback':
case 'librato':
$dependencies['curl'] = 'curl';
break;
case 'mysql':
$dependencies['mysql'] = 'mysql';
break;
case 'postgresql':
$dependencies['psql'] = 'postgresql';
break;
default:
$err = '--db ' . $options['db'] . ' is not valid';
break;
}
}
if ($this->archiver) {
$dependencies['curl'] = 'curl';
}
if ($dependencies = validate_dependencies($dependencies)) {
foreach ($dependencies as $dependency) {
print_msg(sprintf('Missing dependence %s', $dependency), isset($this->options['verbose']), __FILE__, __LINE__, TRUE);
}
}
return count($dependencies) > 0 ? FALSE : TRUE;
}
/**
* validates test dependencies including:
* curl Used for throughput testing
* dig Used for DNS testing
* ping Used for latency testing
* traceroute Used to traceroute failed test endpoints
* returns an array containing the missing dependencies (array is empty if
* all dependencies are valid)
* @return array
*/
public function validateDependencies()
{
$dependencies = array();
if (isset($this->options['geoiplookup'])) {
$dependencies['geoiplookup'] = 'GeoIP';
}
if (isset($this->options['traceroute'])) {
$dependencies['traceroute'] = 'traceroute';
}
if (isset($this->options['collectd_rrd'])) {
$dependencies['zip'] = 'zip';
}
foreach ($this->options['test'] as $tests) {
if (in_array('latency', $tests)) {
$dependencies['ping'] = 'ping';
}
if (in_array('downlink', $tests) || in_array('uplink', $tests) || in_array('throughput', $tests)) {
$dependencies['curl'] = 'curl';
}
if (in_array('dns', $tests)) {
$dependencies['dig'] = 'dig';
}
}
return validate_dependencies($dependencies);
}