Author: Michael Haynes (mike@mjphaynes.com)
Beispiel #1
1
 protected function execute(InputInterface $input, OutputInterface $output)
 {
     $host = $this->getConfig('connecthost');
     $port = $this->getConfig('connectport');
     $timeout = $this->getConfig('connecttimeout');
     $conn = $host . ':' . $port;
     $prompt = 'php-resque ' . $conn . '> ';
     $output->writeln('<comment>Connecting to ' . $conn . '...</comment>');
     if (!($fh = @fsockopen('tcp://' . $host, $port, $errno, $errstr, $timeout))) {
         $output->writeln('<error>[' . $errno . '] ' . $errstr . ' host ' . $conn . '</error>');
         return;
     }
     // Set socket timeout to 200ms
     stream_set_timeout($fh, 0, 200 * 1000);
     $stdin = fopen('php://stdin', 'r');
     $prompting = false;
     Resque\Socket\Server::fwrite($fh, 'shell');
     while (true) {
         if (feof($fh)) {
             $output->writeln('<comment>Connection to ' . $conn . ' closed.</comment>');
             break;
         }
         $read = array($fh, $stdin);
         $write = null;
         $except = null;
         $selected = @stream_select($read, $write, $except, 0);
         if ($selected > 0) {
             foreach ($read as $r) {
                 if ($r == $stdin) {
                     $input = trim(fgets($stdin));
                     if (empty($input)) {
                         $output->write($prompt);
                         $prompting = true;
                     } else {
                         Resque\Socket\Server::fwrite($fh, $input);
                         $prompting = false;
                     }
                 } elseif ($r == $fh) {
                     $input = '';
                     while (($buffer = fgets($fh, 1024)) !== false) {
                         $input .= $buffer;
                     }
                     if ($prompting) {
                         $output->writeln('');
                     }
                     $output->writeln('<pop>' . trim($input) . '</pop>');
                     if (!feof($fh)) {
                         $output->write($prompt);
                         $prompting = true;
                     }
                 }
             }
         }
         // Sleep for 10ms to stop CPU spiking
         usleep(10 * 1000);
     }
     fclose($fh);
 }
Beispiel #2
0
 protected function execute(InputInterface $input, OutputInterface $output)
 {
     $cmd = $input->getArgument('cmd');
     $host = $this->getConfig('connecthost');
     $port = $this->getConfig('connectport');
     $timeout = $this->getConfig('connecttimeout');
     if (!($fh = @fsockopen('tcp://' . $host, $port, $errno, $errstr, $timeout))) {
         $this->log('[' . $errno . '] ' . $errstr . ' host ' . $host . ':' . $port, Resque\Logger::ERROR);
         return;
     }
     stream_set_timeout($fh, 0, 500 * 1000);
     $payload = array('cmd' => $cmd, 'id' => $input->getArgument('id'), 'force' => $input->getOption('force'), 'json' => $this->getConfig('json'));
     Resque\Socket\Server::fwrite($fh, json_encode($payload));
     $response = '';
     while (($buffer = fgets($fh, 1024)) !== false) {
         $response .= $buffer;
     }
     $this->log('<pop>' . trim($response) . '</pop>');
     fclose($fh);
 }
Beispiel #3
0
 protected function execute(InputInterface $input, OutputInterface $output)
 {
     $host = $this->getConfig('listenhost');
     $port = $this->getConfig('listenport');
     $retry = $this->getConfig('listenretry');
     $timeout = $this->getConfig('listentimeout');
     $server = new Socket\Server(array('ip' => $host, 'port' => $port), $this->logger);
     do {
         try {
             $server->start();
         } catch (Socket\Exception $e) {
             if ($retry) {
                 $server->log('<error>Socket server failure: "' . $e->getMessage() . '". Retrying in ' . $timeout . ' seconds...</error>');
                 sleep($timeout);
                 continue;
             }
             throw $e;
         }
         break;
     } while ($retry);
     $command = $this;
     $server->onConnect(function ($server, &$client, $input) {
         //
     });
     $server->onDisconnect(function ($server, &$client, $message) {
         $server->send($client, $message);
     });
     $server->onReceive(function ($server, &$client, $input) use($command) {
         if (!($data = json_decode(trim($input), true))) {
             $data = trim($input);
         }
         if (is_array($data)) {
             $cmd = $data['cmd'];
             unset($data['cmd']);
         } else {
             try {
                 $input = new StringInput($data, new InputDefinition(array(new InputArgument('cmd', InputArgument::REQUIRED), new InputArgument('id', InputArgument::OPTIONAL), new InputOption('force', 'f', InputOption::VALUE_NONE), new InputOption('json', 'j', InputOption::VALUE_NONE))));
                 $cmd = $input->getArgument('cmd');
                 $data = array('id' => $input->getArgument('id'), 'force' => $input->getOption('force'), 'json' => $input->getOption('json'));
             } catch (\Exception $e) {
                 $server->send($client, 'Command error: ' . $e->getMessage());
                 return;
             }
         }
         switch (strtolower($cmd)) {
             case 'shell':
                 $server->send($client, 'Connected to php-resque on ' . $server . '. To quit, type "quit"');
                 break;
             case 'workers':
                 $workers = Worker::hostWorkers();
                 if (empty($workers)) {
                     $response = array('ok' => 0, 'message' => 'There are no workers running on this host.');
                     $server->send($client, $data['json'] ? json_encode($response) : $response['message']);
                     return;
                 }
                 if ($data['json']) {
                     $response = array('ok' => 1, 'data' => array());
                     foreach ($workers as $i => $worker) {
                         $response['data'][] = $worker->getPacket();
                     }
                     $server->send($client, json_encode($response));
                 } else {
                     $table = new Resque\Helpers\Table($command);
                     $table->setHeaders(array('#', 'Status', 'ID', 'Running for', 'Running job', 'P', 'C', 'F', 'Interval', 'Timeout', 'Memory (Limit)'));
                     foreach ($workers as $i => $worker) {
                         $packet = $worker->getPacket();
                         $table->addRow(array($i + 1, Worker::$statusText[$packet['status']], (string) $worker, Util::human_time_diff($packet['started']), !empty($packet['job_id']) ? $packet['job_id'] . ' for ' . Util::human_time_diff($packet['job_started']) : '-', $packet['processed'], $packet['cancelled'], $packet['failed'], $packet['interval'], $packet['timeout'], Util::bytes($packet['memory']) . ' (' . $packet['memory_limit'] . ' MB)'));
                     }
                     $server->send($client, (string) $table);
                 }
                 break;
             case 'worker:start':
             case 'worker:restart':
                 $response = array('ok' => 0, 'message' => 'This command is not yet supported remotely.');
                 $server->send($client, $data['json'] ? json_encode($response) : $response['message']);
                 break;
             case 'worker:pause':
             case 'worker:resume':
             case 'worker:stop':
             case 'worker:cancel':
                 $valid_id = false;
                 $id = preg_replace('/[^a-z0-9\\*:,\\.;-]/i', '', $data['id']);
                 if (!empty($id)) {
                     if (false === ($worker = Resque\Worker::hostWorker($id))) {
                         if ($data['json']) {
                             $response = array('ok' => 0, 'message' => 'Invalid worker id.');
                             $server->send($client, json_encode($response));
                         } else {
                             $server->send($client, "Usage:\n\t{$cmd} <worker_id>\n\n" . "Help: You must specify a valid worker id, to get a \n" . "list of workers use the \"workers\" command.");
                         }
                         return;
                     }
                     $workers = array($worker);
                 } else {
                     $workers = Resque\Worker::hostWorkers();
                     if (empty($workers)) {
                         $response = array('ok' => 0, 'message' => 'There are no workers on this host.');
                         $server->send($client, $data['json'] ? json_encode($response) : $response['message']);
                         return;
                     }
                 }
                 $cmd = $data['force'] ? 'worker:term' : $cmd;
                 $signals = array('worker:pause' => SIGUSR2, 'worker:resume' => SIGCONT, 'worker:stop' => SIGQUIT, 'worker:term' => SIGTERM, 'worker:cancel' => SIGUSR1);
                 $messages = array('worker:pause' => 'Paused worker %s', 'worker:resume' => 'Resumed worker %s', 'worker:stop' => 'Stopped worker %s', 'worker:term' => 'Force stopped worker %s', 'worker:cancel' => 'Cancelled running job on worker %s');
                 $response = array('ok' => 1, 'data' => array());
                 foreach ($workers as $worker) {
                     $pid = $worker->getPid();
                     if ($cmd == 'worker:cancel') {
                         $packet = $worker->getPacket();
                         $job_pid = (int) $packet['job_pid'];
                         if ($job_pid and posix_kill($job_pid, 0)) {
                             $pid = $job_pid;
                         } else {
                             $response['data'][] = array('ok' => 0, 'message' => 'The worker ' . $worker . ' has no running job to cancel.');
                             continue;
                         }
                     }
                     if (posix_kill($pid, $signals[$cmd])) {
                         $response['data'][] = array('ok' => 1, 'message' => sprintf($messages[$cmd], $worker));
                     } else {
                         $response['data'][] = array('ok' => 0, 'message' => 'There was an error sending the signal, please try again.');
                     }
                 }
                 $server->send($client, $data['json'] ? json_encode($response) : implode(PHP_EOL, array_map(function ($d) {
                     return $d['message'];
                 }, $response['data'])));
                 break;
             case 'job:queue':
                 $response = array('ok' => 0, 'message' => 'Cannot queue remotely as it makes no sense. Use command `resque job:queue <job> <args> [--queue=<queue> [--delay=<delay>]]` locally.');
                 $server->send($client, $data['json'] ? json_encode($response) : $response['message']);
                 break;
             case 'cleanup':
                 $host = new Host();
                 $cleaned_hosts = $host->cleanup();
                 $worker = new Worker('*');
                 $cleaned_workers = $worker->cleanup();
                 $cleaned_hosts = array_merge_recursive($cleaned_hosts, $host->cleanup());
                 $cleaned_jobs = Job::cleanup();
                 if ($data['json']) {
                     $response = array('ok' => 1, 'data' => array_merge($cleaned_hosts, $cleaned_workers, $cleaned_jobs));
                     $server->send($client, json_encode($response));
                 } else {
                     $output = 'Cleaned hosts: ' . json_encode($cleaned_hosts['hosts']) . PHP_EOL . 'Cleaned workers: ' . json_encode(array_merge($cleaned_hosts['workers'], $cleaned_workers)) . PHP_EOL . 'Cleaned ' . $cleaned_jobs['zombie'] . ' zombie job' . ($cleaned_jobs['zombie'] == 1 ? '' : 's') . PHP_EOL . 'Cleared ' . $cleaned_jobs['processed'] . ' processed job' . ($cleaned_jobs['processed'] == 1 ? '' : 's');
                 }
                 $server->send($client, $output);
                 break;
             case 'shutdown':
                 $server->shutdown();
                 break;
             case 'quit':
             case 'exit':
                 $server->disconnect($client);
                 break;
             default:
                 $response = array('ok' => 0, 'message' => 'Sorry, I don\'t know what to do with command "' . $cmd . '".');
                 $server->send($client, $data['json'] ? json_encode($response) : $response['message']);
                 break;
         }
     });
     $server->run();
 }