/**
* Execute command
*
* @param InputInterface $input Input instance
* @param OutputInterface $output Output instance
*
* @return int|null|void
*/
public function execute(InputInterface $input, OutputInterface $output)
{
$this->elevateProcess($input, $output);
$procList = array();
$openFilesTotal = 0;
$command = new CommandBuilder('lsof', '-n');
$command->addPipeCommand(new CommandBuilder('grep', '-oE \'^[a-z]+\''))->addPipeCommand(new CommandBuilder('sort'))->addPipeCommand(new CommandBuilder('uniq', '-c'))->addPipeCommand(new CommandBuilder('sort', '-n'))->setOutputRedirect(CommandBuilder::OUTPUT_REDIRECT_NO_STDERR);
$execOutput = $command->execute()->getOutput();
foreach ($execOutput as $execOutputLine) {
// get open files and proc name from output
list($procOpenFiles, $procName) = explode(' ', trim($execOutputLine), 2);
// add to total stats
$openFilesTotal += $procOpenFiles;
$procList[] = array('name' => $procName, 'open_files' => $procOpenFiles);
}
// ########################
// Output
// ########################
/** @var \Symfony\Component\Console\Helper\Table $table */
$table = new Table($output);
$table->setHeaders(array('Process', 'Open Files'));
foreach ($procList as $procRow) {
$procRow['open_files'] = FormatUtility::number($procRow['open_files']);
$table->addRow(array_values($procRow));
}
// Stats: average
$table->addRow(new TableSeparator());
$statsRow = array();
$statsRow['name'] = 'Total';
$statsRow['open_files'] = FormatUtility::number($openFilesTotal);
$table->addRow(array_values($statsRow));
$table->render();
return 0;
}
/**
* Execute command
*
* @param InputInterface $input Input instance
* @param OutputInterface $output Output instance
*
* @return int|null|void
*/
public function execute(InputInterface $input, OutputInterface $output)
{
$versionList = array();
// ############################
// System (LSB Version)
// ############################
$versionRow = array('system' => 'System', 'version' => UnixUtility::lsbSystemDescription());
$versionList[] = array_values($versionRow);
// ############################
// PHP
// ############################
$versionList[] = array('PHP', phpversion());
// ############################
// MySQL
// ############################
$query = 'SHOW VARIABLES LIKE \'version\'';
$versionRow = DatabaseConnection::getList($query);
$versionList[] = array('MySQL', $versionRow['version']);
// ############################
// Apache
// ############################
$versionRow = array('system' => 'Apache', 'version' => 'Unknown');
$command = new CommandBuilder('apache2ctl', '-v');
$command->setOutputRedirect(CommandBuilder::OUTPUT_REDIRECT_NO_STDERR);
$execOutput = $command->execute()->getOutput();
foreach ($execOutput as $execOutputLine) {
if (strpos($execOutputLine, ':') !== false) {
list($tmpKey, $tmpVersion) = explode(':', trim($execOutputLine), 2);
switch (strtolower($tmpKey)) {
case 'server version':
$versionRow['version'] = trim($tmpVersion);
break;
}
}
}
$versionList[] = array_values($versionRow);
// ############################
// Docker
// ############################
$versionRow = array('system' => 'Docker', 'version' => \CliTools\Utility\UnixUtility::dockerVersion());
$versionList[] = array_values($versionRow);
// ############################
// CliTools
// ############################
$versionList[] = array('CliTools', CLITOOLS_COMMAND_VERSION);
// ########################
// Output
// ########################
/** @var \Symfony\Component\Console\Helper\Table $table */
$table = new Table($output);
$table->setHeaders(array('System', 'Version'));
foreach ($versionList as $versionRow) {
$table->addRow(array_values($versionRow));
}
$table->render();
return 0;
}
/**
* Reload tty
*/
public static function reloadTtyBanner($ttyName)
{
// Check if we can reload tty
try {
$who = new CommandBuilder('who');
$who->addPipeCommand(new CommandBuilder('grep', '%s', array($ttyName)));
$who->execute();
// if there is no exception -> there is a logged in user
} catch (\Exception $e) {
// if there is an exception -> there is NO logged in user
try {
$ps = new CommandBuilder('ps', 'h -o pid,comm,args -C getty');
$ps->addPipeCommand(new CommandBuilder('grep', '%s', array($ttyName)));
$output = $ps->execute()->getOutput();
if (!empty($output)) {
$outputLine = trim(reset($output));
$outputLineParts = preg_split('/[\\s]+/', $outputLine);
list($pid) = $outputLineParts;
posix_kill($pid, SIGHUP);
}
} catch (\Exception $e) {
}
}
}
/**
* Build list of running processes
*
* @return array
*/
protected function buildProcessList()
{
$currentPid = posix_getpid();
$processList = array('all' => 'all processes');
$command = new CommandBuilder('ps');
$command->addArgumentRaw('h -o pid,comm,args')->addArgumentTemplate('-C %s', implode(',', $this->traceProcessNameList));
$cmdOutput = $command->execute()->getOutput();
$pidList = array();
foreach ($cmdOutput as $outputLine) {
$outputLine = trim($outputLine);
$outputLineParts = preg_split('/[\\s]+/', $outputLine);
list($pid, $cmd) = $outputLineParts;
$pid = (int) $pid;
unset($outputLineParts[0], $outputLineParts[1]);
$args = implode(' ', $outputLineParts);
$cmd = $pid . ' [' . $cmd . '] ' . $args;
// don't show current pid
if ($pid === $currentPid) {
continue;
}
$pidList[] = (int) $pid;
$processList[(int) $pid] = $cmd;
}
return array($pidList, $processList);
}
