protected final function launchDaemons(array $daemons, $debug, $run_as_current_user = false) { // Convert any shorthand classnames like "taskmaster" into proper class // names. foreach ($daemons as $key => $daemon) { $class = $this->findDaemonClass($daemon['class']); $daemons[$key]['class'] = $class; } $console = PhutilConsole::getConsole(); if (!$run_as_current_user) { // Check if the script is started as the correct user $phd_user = PhabricatorEnv::getEnvConfig('phd.user'); $current_user = posix_getpwuid(posix_geteuid()); $current_user = $current_user['name']; if ($phd_user && $phd_user != $current_user) { if ($debug) { throw new PhutilArgumentUsageException(pht("You are trying to run a daemon as a nonstandard user, " . "and `%s` was not able to `%s` to the correct user. \n" . 'Phabricator is configured to run daemons as "%s", ' . 'but the current user is "%s". ' . "\n" . 'Use `%s` to run as a different user, pass `%s` to ignore this ' . 'warning, or edit `%s` to change the configuration.', 'phd', 'sudo', $phd_user, $current_user, 'sudo', '--as-current-user', 'phd.user')); } else { $this->runDaemonsAsUser = $phd_user; $console->writeOut(pht('Starting daemons as %s', $phd_user) . "\n"); } } } $this->printLaunchingDaemons($daemons, $debug); $trace = PhutilArgumentParser::isTraceModeEnabled(); $flags = array(); if ($trace || PhabricatorEnv::getEnvConfig('phd.trace')) { $flags[] = '--trace'; } if ($debug || PhabricatorEnv::getEnvConfig('phd.verbose')) { $flags[] = '--verbose'; } $instance = PhabricatorEnv::getEnvConfig('cluster.instance'); if ($instance) { $flags[] = '-l'; $flags[] = $instance; } $config = array(); if (!$debug) { $config['daemonize'] = true; } if (!$debug) { $config['log'] = $this->getLogDirectory() . '/daemons.log'; } $pid_dir = $this->getPIDDirectory(); // TODO: This should be a much better user experience. Filesystem::assertExists($pid_dir); Filesystem::assertIsDirectory($pid_dir); Filesystem::assertWritable($pid_dir); $config['piddir'] = $pid_dir; $config['daemons'] = $daemons; $command = csprintf('./phd-daemon %Ls', $flags); $phabricator_root = dirname(phutil_get_library_root('phabricator')); $daemon_script_dir = $phabricator_root . '/scripts/daemon/'; if ($debug) { // Don't terminate when the user sends ^C; it will be sent to the // subprocess which will terminate normally. pcntl_signal(SIGINT, array(__CLASS__, 'ignoreSignal')); echo "\n phabricator/scripts/daemon/ \$ {$command}\n\n"; $tempfile = new TempFile('daemon.config'); Filesystem::writeFile($tempfile, json_encode($config)); phutil_passthru('(cd %s && exec %C < %s)', $daemon_script_dir, $command, $tempfile); } else { try { $this->executeDaemonLaunchCommand($command, $daemon_script_dir, $config, $this->runDaemonsAsUser); } catch (Exception $ex) { throw new PhutilArgumentUsageException(pht('Daemons are configured to run as user "%s" in configuration ' . 'option `%s`, but the current user is "%s" and `phd` was unable ' . 'to switch to the correct user with `sudo`. Command output:' . "\n\n" . '%s', $phd_user, 'phd.user', $current_user, $ex->getMessage())); } } }