public function __construct(array $argv)
{
PhutilServiceProfiler::getInstance()->enableDiscardMode();
$original_argv = $argv;
$args = new PhutilArgumentParser($argv);
$args->setTagline('daemon overseer');
$args->setSynopsis(<<<EOHELP
**launch_daemon.php** [__options__] __daemon__
Launch and oversee an instance of __daemon__.
EOHELP
);
$args->parseStandardArguments();
$args->parsePartial(array(array('name' => 'trace-memory', 'help' => 'Enable debug memory tracing.'), array('name' => 'log', 'param' => 'file', 'help' => 'Send output to __file__.'), array('name' => 'daemonize', 'help' => 'Run in the background.'), array('name' => 'phd', 'param' => 'dir', 'help' => 'Write PID information to __dir__.'), array('name' => 'verbose', 'help' => 'Enable verbose activity logging.'), array('name' => 'load-phutil-library', 'param' => 'library', 'repeat' => true, 'help' => 'Load __library__.')));
$argv = array();
$more = $args->getUnconsumedArgumentVector();
$this->daemon = array_shift($more);
if (!$this->daemon) {
$args->printHelpAndExit();
}
if ($args->getArg('trace')) {
$this->traceMode = true;
$argv[] = '--trace';
}
if ($args->getArg('trace-memory')) {
$this->traceMode = true;
$this->traceMemory = true;
$argv[] = '--trace-memory';
}
if ($args->getArg('load-phutil-library')) {
foreach ($args->getArg('load-phutil-library') as $library) {
$argv[] = '--load-phutil-library=' . $library;
}
}
$log = $args->getArg('log');
if ($log) {
ini_set('error_log', $log);
$argv[] = '--log=' . $log;
}
$verbose = $args->getArg('verbose');
if ($verbose) {
$this->verbose = true;
$argv[] = '--verbose';
}
$this->daemonize = $args->getArg('daemonize');
$this->phddir = $args->getArg('phd');
$this->argv = $argv;
$this->moreArgs = coalesce($more, array());
error_log("Bringing daemon '{$this->daemon}' online...");
if (self::$instance) {
throw new Exception('You may not instantiate more than one Overseer per process.');
}
self::$instance = $this;
if ($this->daemonize) {
// We need to get rid of these or the daemon will hang when we TERM it
// waiting for something to read the buffers. TODO: Learn how unix works.
fclose(STDOUT);
fclose(STDERR);
ob_start();
$pid = pcntl_fork();
if ($pid === -1) {
throw new Exception('Unable to fork!');
} else {
if ($pid) {
exit(0);
}
}
}
if ($this->phddir) {
$desc = array('name' => $this->daemon, 'argv' => $this->moreArgs, 'pid' => getmypid(), 'start' => time());
Filesystem::writeFile($this->phddir . '/daemon.' . getmypid(), json_encode($desc));
}
$this->daemonID = $this->generateDaemonID();
$this->dispatchEvent(self::EVENT_DID_LAUNCH, array('argv' => array_slice($original_argv, 1), 'explicitArgv' => $this->moreArgs));
declare (ticks=1);
pcntl_signal(SIGUSR1, array($this, 'didReceiveKeepaliveSignal'));
pcntl_signal(SIGUSR2, array($this, 'didReceiveNotifySignal'));
pcntl_signal(SIGINT, array($this, 'didReceiveGracefulSignal'));
pcntl_signal(SIGTERM, array($this, 'didReceiveTerminalSignal'));
}
private function processRogueDaemons($grace_period, $warn, $force_stop)
{
$console = PhutilConsole::getConsole();
$rogue_daemons = PhutilDaemonOverseer::findRunningDaemons();
if ($rogue_daemons) {
if ($force_stop) {
$rogue_pids = ipull($rogue_daemons, 'pid');
$survivors = $this->sendStopSignals($rogue_pids, $grace_period);
if ($survivors) {
$console->writeErr("%s\n", pht('Unable to stop processes running without PID files. ' . 'Try running this command again with sudo.'));
}
} else {
if ($warn) {
$console->writeErr("%s\n", $this->getForceStopHint($rogue_daemons));
}
}
}
return $rogue_daemons;
}
public function __construct(array $argv)
{
PhutilServiceProfiler::getInstance()->enableDiscardMode();
$args = new PhutilArgumentParser($argv);
$args->setTagline(pht('daemon overseer'));
$args->setSynopsis(<<<EOHELP
**launch_daemon.php** [__options__] __daemon__
Launch and oversee an instance of __daemon__.
EOHELP
);
$args->parseStandardArguments();
$args->parse(array(array('name' => 'trace-memory', 'help' => pht('Enable debug memory tracing.')), array('name' => 'verbose', 'help' => pht('Enable verbose activity logging.')), array('name' => 'label', 'short' => 'l', 'param' => 'label', 'help' => pht('Optional process label. Makes "%s" nicer, no behavioral effects.', 'ps'))));
$argv = array();
if ($args->getArg('trace')) {
$this->traceMode = true;
$argv[] = '--trace';
}
if ($args->getArg('trace-memory')) {
$this->traceMode = true;
$this->traceMemory = true;
$argv[] = '--trace-memory';
}
$verbose = $args->getArg('verbose');
if ($verbose) {
$this->verbose = true;
$argv[] = '--verbose';
}
$label = $args->getArg('label');
if ($label) {
$argv[] = '-l';
$argv[] = $label;
}
$this->argv = $argv;
if (function_exists('posix_isatty') && posix_isatty(STDIN)) {
fprintf(STDERR, pht('Reading daemon configuration from stdin...') . "\n");
}
$config = @file_get_contents('php://stdin');
$config = id(new PhutilJSONParser())->parse($config);
$this->libraries = idx($config, 'load');
$this->log = idx($config, 'log');
$this->daemonize = idx($config, 'daemonize');
$this->piddir = idx($config, 'piddir');
$this->config = $config;
if (self::$instance) {
throw new Exception(pht('You may not instantiate more than one Overseer per process.'));
}
self::$instance = $this;
$this->startEpoch = time();
// Check this before we daemonize, since if it's an issue the child will
// exit immediately.
if ($this->piddir) {
$dir = $this->piddir;
try {
Filesystem::assertWritable($dir);
} catch (Exception $ex) {
throw new Exception(pht("Specified daemon PID directory ('%s') does not exist or is " . "not writable by the daemon user!", $dir));
}
}
if (!idx($config, 'daemons')) {
throw new PhutilArgumentUsageException(pht('You must specify at least one daemon to start!'));
}
if ($this->log) {
// NOTE: Now that we're committed to daemonizing, redirect the error
// log if we have a `--log` parameter. Do this at the last moment
// so as many setup issues as possible are surfaced.
ini_set('error_log', $this->log);
}
if ($this->daemonize) {
// We need to get rid of these or the daemon will hang when we TERM it
// waiting for something to read the buffers. TODO: Learn how unix works.
fclose(STDOUT);
fclose(STDERR);
ob_start();
$pid = pcntl_fork();
if ($pid === -1) {
throw new Exception(pht('Unable to fork!'));
} else {
if ($pid) {
exit(0);
}
}
}
$this->modules = PhutilDaemonOverseerModule::getAllModules();
pcntl_signal(SIGUSR2, array($this, 'didReceiveNotifySignal'));
pcntl_signal(SIGHUP, array($this, 'didReceiveReloadSignal'));
pcntl_signal(SIGINT, array($this, 'didReceiveGracefulSignal'));
pcntl_signal(SIGTERM, array($this, 'didReceiveTerminalSignal'));
}
#!/usr/bin/env php <?php declare (ticks=1); $root = dirname(dirname(dirname(__FILE__))); require_once $root . '/scripts/__init_script__.php'; $overseer = new PhutilDaemonOverseer($argv); $overseer->run();
private function processRogueDaemons($grace_period, $warn, $force_stop)
{
$console = PhutilConsole::getConsole();
$rogue_daemons = PhutilDaemonOverseer::findRunningDaemons();
if ($rogue_daemons) {
if ($force_stop) {
$stop_rogue_daemons = $this->buildRogueDaemons($rogue_daemons);
$survivors = $this->sendStopSignals($stop_rogue_daemons, $grace_period, $force_stop);
if ($survivors) {
$console->writeErr(pht('Unable to stop processes running without pid files. Try running ' . 'this command again with sudo.' . "\n"));
}
} else {
if ($warn) {
$console->writeErr($this->getForceStopHint($rogue_daemons) . "\n");
}
}
}
return $rogue_daemons;
}
public function __construct(array $argv)
{
PhutilServiceProfiler::getInstance()->enableDiscardMode();
$original_argv = $argv;
$args = new PhutilArgumentParser($argv);
$args->setTagline('daemon overseer');
$args->setSynopsis(<<<EOHELP
**launch_daemon.php** [__options__] __daemon__
Launch and oversee an instance of __daemon__.
EOHELP
);
$args->parsePartial(array(array('name' => 'trace', 'help' => 'Enable debug tracing.'), array('name' => 'trace-memory', 'help' => 'Enable debug memory tracing.'), array('name' => 'log', 'param' => 'file', 'help' => 'Send output to __file__.'), array('name' => 'daemonize', 'help' => 'Run in the background.'), array('name' => 'phd', 'param' => 'dir', 'help' => 'Write PID information to __dir__.'), array('name' => 'conduit-uri', 'param' => 'uri', 'help' => 'Send logs to Conduit on __uri__.'), array('name' => 'verbose', 'help' => 'Enable verbose activity logging.')));
$argv = $args->getUnconsumedArgumentVector();
$this->daemon = array_shift($argv);
if (!$this->daemon) {
$args->printHelpAndExit();
}
if ($args->getArg('trace')) {
$this->traceMode = true;
array_unshift($argv, '--trace');
}
if ($args->getArg('trace-memory')) {
$this->traceMode = true;
$this->traceMemory = true;
array_unshift($argv, '--trace-memory');
}
$log = $args->getArg('log');
if ($log) {
ini_set('error_log', $log);
array_unshift($argv, '--log=' . $log);
}
$verbose = $args->getArg('verbose');
if ($verbose) {
$this->verbose = true;
array_unshift($argv, '--verbose');
}
$this->daemonize = $args->getArg('daemonize');
$this->phddir = $args->getArg('phd');
$this->conduitURI = $args->getArg('conduit-uri');
$this->argv = $argv;
error_log("Bringing daemon '{$this->daemon}' online...");
if (self::$instance) {
throw new Exception("You may not instantiate more than one Overseer per process.");
}
self::$instance = $this;
if ($this->daemonize) {
// We need to get rid of these or the daemon will hang when we TERM it
// waiting for something to read the buffers. TODO: Learn how unix works.
fclose(STDOUT);
fclose(STDERR);
ob_start();
$pid = pcntl_fork();
if ($pid === -1) {
throw new Exception("Unable to fork!");
} else {
if ($pid) {
exit(0);
}
}
}
if ($this->phddir) {
$desc = array('name' => $this->daemon, 'pid' => getmypid(), 'start' => time());
Filesystem::writeFile($this->phddir . '/daemon.' . getmypid(), json_encode($desc));
}
if ($this->conduitURI) {
$this->conduit = new ConduitClient($this->conduitURI);
$this->daemonLogID = $this->conduit->callMethodSynchronous('daemon.launched', array('daemon' => $this->daemon, 'host' => php_uname('n'), 'pid' => getmypid(), 'argv' => json_encode(array_slice($original_argv, 1))));
}
declare (ticks=1);
pcntl_signal(SIGUSR1, array($this, 'didReceiveKeepaliveSignal'));
pcntl_signal(SIGINT, array($this, 'didReceiveTerminalSignal'));
pcntl_signal(SIGTERM, array($this, 'didReceiveTerminalSignal'));
}
#!/usr/bin/env php
<?php
// NOTE: This is substantially the same as the libphutil/ "launch_daemon.php"
// script, except it loads the Phabricator environment and adds some Phabricator
// specific flags.
declare (ticks=1);
$root = dirname(dirname(dirname(__FILE__)));
require_once $root . '/scripts/__init_script__.php';
$overseer = new PhutilDaemonOverseer($argv);
$bootloader = PhutilBootloader::getInstance();
foreach ($bootloader->getAllLibraries() as $library) {
$overseer->addLibrary(phutil_get_library_root($library));
}
$overseer->run();
public function __construct($daemon, array $argv)
{
$this->daemon = $daemon;
$original_argv = $argv;
$len = count($argv);
for ($ii = 1; $ii < $len; $ii++) {
$matches = null;
if ($argv[$ii] == '--') {
break;
} else {
if ($argv[$ii] == '--trace') {
$this->traceMode = true;
} else {
if ($argv[$ii] == '--trace-memory') {
$this->traceMode = true;
$this->traceMemory = true;
} else {
if (preg_match('/^--log=(.*)$/', $argv[$ii], $matches)) {
ini_set('error_log', $matches[1]);
error_log("Bringing '{$daemon}' online...");
} else {
if ($argv[$ii] == '--daemonize') {
$this->daemonize = true;
unset($argv[$ii]);
} else {
if (preg_match('/^--phd=(.*)$/', $argv[$ii], $matches)) {
$this->phddir = $matches[1];
unset($argv[$ii]);
} else {
if (preg_match('/^--conduit-uri=(.*)$/', $argv[$ii], $matches)) {
$this->conduitURI = $matches[1];
unset($argv[$ii]);
}
}
}
}
}
}
}
}
$this->argv = array_slice($argv, 1);
if (self::$instance) {
throw new Exception("You may not instantiate more than one Overseer per process.");
}
self::$instance = $this;
if ($this->daemonize) {
// We need to get rid of these or the daemon will hang when we TERM it
// waiting for something to read the buffers. TODO: Learn how unix works.
fclose(STDOUT);
fclose(STDERR);
ob_start();
$pid = pcntl_fork();
if ($pid === -1) {
throw new Exception("Unable to fork!");
} else {
if ($pid) {
exit(0);
}
}
}
if ($this->phddir) {
$desc = array('name' => $this->daemon, 'pid' => getmypid(), 'start' => time());
Filesystem::writeFile($this->phddir . '/daemon.' . getmypid(), json_encode($desc));
}
if ($this->conduitURI) {
$this->conduit = new ConduitClient($this->conduitURI);
$this->daemonLogID = $this->conduit->callMethodSynchronous('daemon.launched', array('daemon' => $this->daemon, 'host' => php_uname('n'), 'pid' => getmypid(), 'argv' => json_encode(array_slice($original_argv, 1))));
}
declare (ticks=1);
pcntl_signal(SIGUSR1, array($this, 'didReceiveKeepaliveSignal'));
pcntl_signal(SIGINT, array($this, 'didReceiveTerminalSignal'));
pcntl_signal(SIGTERM, array($this, 'didReceiveTerminalSignal'));
}
