public function run($argv)
{
// fetch task info
$taskId = $argv[0];
$task = $this->taskDao->find($taskId);
if ($task === false) {
$this->logger->error('Task not found.');
return;
}
// TODO update pid
$jobId = $task['job_id'];
$developTaskId = $this->jobDao->getDevelopTaskId($task['job_id']);
// open process
$taskLogsDir = Config::get('taskLogsDir');
$desc = [1 => ['file', $taskLogsDir . '/scheduler_task_' . $taskId . '.out', 'w'], 2 => ['file', $taskLogsDir . '/scheduler_task_' . $taskId . '.err', 'w']];
$process = proc_open('php ' . __DIR__ . '/launcher.php develop_run.php ' . $developTaskId, $desc, $pipes);
$this->logger->info("Run [task_id: {$taskId}, job_id: {$jobId}, develop_task_id: {$developTaskId}]");
// wait
while (!$this->taskDao->isInterrupted($taskId)) {
$processStatus = proc_get_status($process);
if (!$processStatus['running']) {
if ($processStatus['exitcode'] == 0) {
$taskStatus = SchedulerTaskDao::STATUS_SUCCESS;
} else {
$taskStatus = SchedulerTaskDao::STATUS_FAILURE;
}
$this->taskDao->updateStatus($taskId, $taskStatus);
$this->jobDao->updateTaskStatus($jobId, $taskStatus);
if ($taskStatus == SchedulerTaskDao::STATUS_SUCCESS) {
$this->jobDao->insertSignal($jobId, $this->now->format('Y-m-d'));
}
$this->logger->info('Task finished, exitcode ' . $processStatus['exitcode']);
proc_close($process);
return;
}
sleep(1);
}
$this->logger->warn('Task is interrupted, send SIGTERM.');
proc_terminate($process, SIGTERM);
// stop gracefully
$countDown = 5;
while ($countDown > 0) {
$processStatus = proc_get_status($process);
if (!$processStatus['running']) {
break;
}
sleep(1);
--$countDown;
}
if ($countDown == 0) {
$this->logger->warn('Send SIGKILL.');
proc_terminate($process, SIGKILL);
}
$this->taskDao->updateStatus($taskId, SchedulerTaskDao::STATUS_FAILURE);
$this->jobDao->updateTaskStatus($jobId, SchedulerTaskDao::STATUS_FAILURE);
$this->logger->info('Task killed.');
proc_close($process);
}
private function tryRunTask($taskId)
{
// check limit
if ($this->taskDao->countRunning() >= self::TASK_POOL_SIZE) {
$this->logger->warn('Task pool is full.');
return;
}
$task = $this->taskDao->find($taskId);
$jobId = $task['job_id'];
// check signal
$jobIds = $this->jobDao->getDependencies($jobId);
if (count($jobIds) > 0) {
if (!$this->jobDao->checkSignals($jobIds, $this->now->format('Y-m-d'))) {
$this->logger->debug("Task {$taskId} is waiting for signal.");
return;
}
}
// run task
$this->taskDao->updateStatus($taskId, SchedulerTaskDao::STATUS_RUNNING);
$this->jobDao->updateTaskStatus($jobId, SchedulerTaskDao::STATUS_RUNNING);
shell_exec('php ' . __DIR__ . '/launcher.php scheduler_run.php ' . $taskId . ' >/dev/null 2>&1 &');
$this->logger->info("Run task [id: {$taskId}, job_id: {$jobId}]");
}
