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()));
}
}
}
