def reexec(self):
"""
Relaunch the master and workers.
"""
if self.pidfile is not None:
self.pidfile.rename("%s.oldbin" % self.pidfile.fname)
self.reexec_pid = os.fork()
if self.reexec_pid != 0:
self.master_name = "Old %s" % self.master_name
_setproctitle(self.master_name)
return
os.chdir(self.START_CTX['cwd'])
os.execvpe(self.START_CTX[0], self.START_CTX['args'], os.environ)
def reexec(self):
"""
Relaunch the master and workers.
"""
if self.pidfile is not None:
self.pidfile.rename("%s.oldbin" % self.pidfile.fname)
self.reexec_pid = os.fork()
if self.reexec_pid != 0:
self.master_name = "Old %s" % self.master_name
_setproctitle(self.master_name)
return
os.chdir(self.START_CTX['cwd'])
os.execvpe(self.START_CTX[0], self.START_CTX['args'], os.environ)
def start(self):
# Initialize the arbiter, create pidfile if needed.
self.set_process_owner(self.uid, self.gid)
# setup logging
self.file_logger = setup_file_logging("prefork", self.log_file)
self.file_logger.info("Startting arbiter")
self.file_logger.info('Use Config File %s', self.config_file)
if self.daemonize:
daemonize()
_setproctitle(self.master_name)
self.pid = os.getpid()
self.file_logger.info("Master Pid --> %s" % self.pid)
try:
if self.pidfile:
self.pidfile.create(self.pid)
# chown(self.pidfile.fname, self.uid, self.gid)
except Exception, e:
self.file_logger.info(str(e))
def reload(self):
self.file_logger.info("Reload config file:%s", self.cfg.ACTUAL_CONFIG_FILE)
old_pidfile = self.pidfile
self.cfg.load_config()
self.setup()
if old_pidfile and self.pidfile and old_pidfile.fname != self.pidfile.fname:
#old_pidfile.unlink()
self.file_logger.info("pidfile:%s", self.pidfile.fname)
self.pidfile.rename(self.pid)
self.set_process_owner(self.uid, self.gid)
self.file_logger = setup_file_logging("prefork", self.log_file)
_setproctitle(self.master_name)
# start new workers
for i in range(self.number_workers):
self.spawn_worker()
self.manage_workers()
def start(self):
# Initialize the arbiter, create pidfile if needed.
self.set_process_owner(self.uid, self.gid)
# setup logging
self.file_logger = setup_file_logging("prefork", self.log_file)
self.file_logger.info("Startting arbiter")
self.file_logger.info('Use Config File %s', self.config_file)
if self.daemonize:
daemonize()
_setproctitle(self.master_name)
self.pid = os.getpid()
self.file_logger.info("Master Pid --> %s"%self.pid)
try:
if self.pidfile:
self.pidfile.create(self.pid)
# chown(self.pidfile.fname, self.uid, self.gid)
except Exception,e:
self.file_logger.info(str(e))
def init_process(self):
self.setup()
#set proc name
_setproctitle(self.worker_name)
self.init_signals()
# bind ip and port if needed
if not self.LISTENERS and (self.bind or self.unix_socket):
self.file_logger.info("Listern on %s, unixdomian:%s", self.cfg.bind or "", self.cfg.unix_socket or "")
self.LISTENERS = create_sockets(self.bind, self.unix_socket, self.SOCK_BACKLOG)
if self.LISTENERS:
for s in self.LISTENERS:
close_on_exec(s)
s.setblocking(0)
self.rd_fds = list(self.LISTENERS)
else:
self.rd_fds = None
# enter main loop
self.booted = True
def init_process(self):
self.setup()
#set proc name
_setproctitle(self.worker_name)
self.init_signals()
# bind ip and port if needed
if not self.LISTENERS and (self.bind or self.unix_socket):
self.file_logger.info("Listern on %s, unixdomian:%s", self.cfg.bind
or "", self.cfg.unix_socket or "")
self.LISTENERS = create_sockets(self.bind, self.unix_socket,
self.SOCK_BACKLOG)
if self.LISTENERS:
for s in self.LISTENERS:
close_on_exec(s)
s.setblocking(0)
self.rd_fds = list(self.LISTENERS)
else:
self.rd_fds = None
# enter main loop
self.booted = True
