927 lines
34 KiB
Python
927 lines
34 KiB
Python
#-----------------------------------------------------------
|
|
# Threaded, Gevent and Prefork Servers
|
|
#-----------------------------------------------------------
|
|
import datetime
|
|
import errno
|
|
import logging
|
|
import os
|
|
import os.path
|
|
import platform
|
|
import psutil
|
|
import random
|
|
if os.name == 'posix':
|
|
import resource
|
|
else:
|
|
resource = None
|
|
import select
|
|
import signal
|
|
import socket
|
|
import subprocess
|
|
import sys
|
|
import threading
|
|
import time
|
|
import unittest2
|
|
|
|
import werkzeug.serving
|
|
|
|
try:
|
|
import fcntl
|
|
except ImportError:
|
|
pass
|
|
try:
|
|
from setproctitle import setproctitle
|
|
except ImportError:
|
|
setproctitle = lambda x: None
|
|
|
|
import openerp
|
|
from openerp.modules.registry import RegistryManager
|
|
from openerp.release import nt_service_name
|
|
import openerp.tools.config as config
|
|
from openerp.tools.misc import stripped_sys_argv, dumpstacks
|
|
|
|
_logger = logging.getLogger(__name__)
|
|
|
|
SLEEP_INTERVAL = 60 # 1 min
|
|
|
|
#----------------------------------------------------------
|
|
# Werkzeug WSGI servers patched
|
|
#----------------------------------------------------------
|
|
|
|
class BaseWSGIServerNoBind(werkzeug.serving.BaseWSGIServer):
|
|
""" werkzeug Base WSGI Server patched to skip socket binding. PreforkServer
|
|
use this class, sets the socket and calls the process_request() manually
|
|
"""
|
|
def __init__(self, app):
|
|
werkzeug.serving.BaseWSGIServer.__init__(self, "1", "1", app)
|
|
def server_bind(self):
|
|
# we dont bind beause we use the listen socket of PreforkServer#socket
|
|
# instead we close the socket
|
|
if self.socket:
|
|
self.socket.close()
|
|
def server_activate(self):
|
|
# dont listen as we use PreforkServer#socket
|
|
pass
|
|
|
|
# _reexec() should set LISTEN_* to avoid connection refused during reload time. It
|
|
# should also work with systemd socket activation. This is currently untested
|
|
# and not yet used.
|
|
|
|
class ThreadedWSGIServerReloadable(werkzeug.serving.ThreadedWSGIServer):
|
|
""" werkzeug Threaded WSGI Server patched to allow reusing a listen socket
|
|
given by the environement, this is used by autoreload to keep the listen
|
|
socket open when a reload happens.
|
|
"""
|
|
def server_bind(self):
|
|
envfd = os.environ.get('LISTEN_FDS')
|
|
if envfd and os.environ.get('LISTEN_PID') == str(os.getpid()):
|
|
self.reload_socket = True
|
|
self.socket = socket.fromfd(int(envfd), socket.AF_INET, socket.SOCK_STREAM)
|
|
# should we os.close(int(envfd)) ? it seem python duplicate the fd.
|
|
else:
|
|
self.reload_socket = False
|
|
super(ThreadedWSGIServerReloadable, self).server_bind()
|
|
|
|
def server_activate(self):
|
|
if not self.reload_socket:
|
|
super(ThreadedWSGIServerReloadable, self).server_activate()
|
|
|
|
#----------------------------------------------------------
|
|
# AutoReload watcher
|
|
#----------------------------------------------------------
|
|
|
|
class AutoReload(object):
|
|
def __init__(self, server):
|
|
self.server = server
|
|
self.files = {}
|
|
self.modules = {}
|
|
import pyinotify
|
|
class EventHandler(pyinotify.ProcessEvent):
|
|
def __init__(self, autoreload):
|
|
self.autoreload = autoreload
|
|
|
|
def process_IN_CREATE(self, event):
|
|
_logger.debug('File created: %s', event.pathname)
|
|
self.autoreload.files[event.pathname] = 1
|
|
|
|
def process_IN_MODIFY(self, event):
|
|
_logger.debug('File modified: %s', event.pathname)
|
|
self.autoreload.files[event.pathname] = 1
|
|
|
|
self.wm = pyinotify.WatchManager()
|
|
self.handler = EventHandler(self)
|
|
self.notifier = pyinotify.Notifier(self.wm, self.handler, timeout=0)
|
|
mask = pyinotify.IN_MODIFY | pyinotify.IN_CREATE # IN_MOVED_FROM, IN_MOVED_TO ?
|
|
for path in openerp.modules.modules.ad_paths:
|
|
_logger.info('Watching addons folder %s', path)
|
|
self.wm.add_watch(path, mask, rec=True)
|
|
|
|
def process_data(self, files):
|
|
xml_files = [i for i in files if i.endswith('.xml')]
|
|
for i in xml_files:
|
|
for path in openerp.modules.modules.ad_paths:
|
|
if i.startswith(path):
|
|
# find out wich addons path the file belongs to
|
|
# and extract it's module name
|
|
right = i[len(path) + 1:].split('/')
|
|
if len(right) < 2:
|
|
continue
|
|
module = right[0]
|
|
self.modules[module] = 1
|
|
if self.modules:
|
|
_logger.info('autoreload: xml change detected, autoreload activated')
|
|
restart()
|
|
|
|
def process_python(self, files):
|
|
# process python changes
|
|
py_files = [i for i in files if i.endswith('.py')]
|
|
py_errors = []
|
|
# TODO keep python errors until they are ok
|
|
if py_files:
|
|
for i in py_files:
|
|
try:
|
|
source = open(i, 'rb').read() + '\n'
|
|
compile(source, i, 'exec')
|
|
except SyntaxError:
|
|
py_errors.append(i)
|
|
if py_errors:
|
|
_logger.info('autoreload: python code change detected, errors found')
|
|
for i in py_errors:
|
|
_logger.info('autoreload: SyntaxError %s', i)
|
|
else:
|
|
_logger.info('autoreload: python code updated, autoreload activated')
|
|
restart()
|
|
|
|
def check_thread(self):
|
|
# Check if some files have been touched in the addons path.
|
|
# If true, check if the touched file belongs to an installed module
|
|
# in any of the database used in the registry manager.
|
|
while 1:
|
|
while self.notifier.check_events(1000):
|
|
self.notifier.read_events()
|
|
self.notifier.process_events()
|
|
l = self.files.keys()
|
|
self.files.clear()
|
|
self.process_data(l)
|
|
self.process_python(l)
|
|
|
|
def run(self):
|
|
t = threading.Thread(target=self.check_thread)
|
|
t.setDaemon(True)
|
|
t.start()
|
|
_logger.info('AutoReload watcher running')
|
|
|
|
#----------------------------------------------------------
|
|
# Servers: Threaded, Gevented and Prefork
|
|
#----------------------------------------------------------
|
|
|
|
class CommonServer(object):
|
|
def __init__(self, app):
|
|
# TODO Change the xmlrpc_* options to http_*
|
|
self.app = app
|
|
# config
|
|
self.interface = config['xmlrpc_interface'] or '0.0.0.0'
|
|
self.port = config['xmlrpc_port']
|
|
# runtime
|
|
self.pid = os.getpid()
|
|
|
|
def close_socket(self, sock):
|
|
""" Closes a socket instance cleanly
|
|
:param sock: the network socket to close
|
|
:type sock: socket.socket
|
|
"""
|
|
try:
|
|
sock.shutdown(socket.SHUT_RDWR)
|
|
except socket.error, e:
|
|
# On OSX, socket shutdowns both sides if any side closes it
|
|
# causing an error 57 'Socket is not connected' on shutdown
|
|
# of the other side (or something), see
|
|
# http://bugs.python.org/issue4397
|
|
# note: stdlib fixed test, not behavior
|
|
if e.errno != errno.ENOTCONN or platform.system() not in ['Darwin', 'Windows']:
|
|
raise
|
|
sock.close()
|
|
|
|
class ThreadedServer(CommonServer):
|
|
def __init__(self, app):
|
|
super(ThreadedServer, self).__init__(app)
|
|
self.main_thread_id = threading.currentThread().ident
|
|
# Variable keeping track of the number of calls to the signal handler defined
|
|
# below. This variable is monitored by ``quit_on_signals()``.
|
|
self.quit_signals_received = 0
|
|
|
|
#self.socket = None
|
|
self.httpd = None
|
|
|
|
def signal_handler(self, sig, frame):
|
|
if sig in [signal.SIGINT, signal.SIGTERM]:
|
|
# shutdown on kill -INT or -TERM
|
|
self.quit_signals_received += 1
|
|
if self.quit_signals_received > 1:
|
|
# logging.shutdown was already called at this point.
|
|
sys.stderr.write("Forced shutdown.\n")
|
|
os._exit(0)
|
|
elif sig == signal.SIGHUP:
|
|
# restart on kill -HUP
|
|
openerp.phoenix = True
|
|
self.quit_signals_received += 1
|
|
|
|
def cron_thread(self, number):
|
|
while True:
|
|
time.sleep(SLEEP_INTERVAL + number) # Steve Reich timing style
|
|
registries = openerp.modules.registry.RegistryManager.registries
|
|
_logger.debug('cron%d polling for jobs', number)
|
|
for db_name, registry in registries.items():
|
|
while True and registry.ready:
|
|
acquired = openerp.addons.base.ir.ir_cron.ir_cron._acquire_job(db_name)
|
|
if not acquired:
|
|
break
|
|
|
|
def cron_spawn(self):
|
|
""" Start the above runner function in a daemon thread.
|
|
|
|
The thread is a typical daemon thread: it will never quit and must be
|
|
terminated when the main process exits - with no consequence (the processing
|
|
threads it spawns are not marked daemon).
|
|
|
|
"""
|
|
# Force call to strptime just before starting the cron thread
|
|
# to prevent time.strptime AttributeError within the thread.
|
|
# See: http://bugs.python.org/issue7980
|
|
datetime.datetime.strptime('2012-01-01', '%Y-%m-%d')
|
|
for i in range(openerp.tools.config['max_cron_threads']):
|
|
def target():
|
|
self.cron_thread(i)
|
|
t = threading.Thread(target=target, name="openerp.service.cron.cron%d" % i)
|
|
t.setDaemon(True)
|
|
t.start()
|
|
_logger.debug("cron%d started!" % i)
|
|
|
|
def http_thread(self):
|
|
def app(e, s):
|
|
return self.app(e, s)
|
|
self.httpd = ThreadedWSGIServerReloadable(self.interface, self.port, app)
|
|
self.httpd.serve_forever()
|
|
|
|
def http_spawn(self):
|
|
t = threading.Thread(target=self.http_thread, name="openerp.service.httpd")
|
|
t.setDaemon(True)
|
|
t.start()
|
|
_logger.info('HTTP service (werkzeug) running on %s:%s', self.interface, self.port)
|
|
|
|
def start(self):
|
|
_logger.debug("Setting signal handlers")
|
|
if os.name == 'posix':
|
|
signal.signal(signal.SIGINT, self.signal_handler)
|
|
signal.signal(signal.SIGTERM, self.signal_handler)
|
|
signal.signal(signal.SIGCHLD, self.signal_handler)
|
|
signal.signal(signal.SIGHUP, self.signal_handler)
|
|
signal.signal(signal.SIGQUIT, dumpstacks)
|
|
elif os.name == 'nt':
|
|
import win32api
|
|
win32api.SetConsoleCtrlHandler(lambda sig: self.signal_handler(sig, None), 1)
|
|
self.cron_spawn()
|
|
self.http_spawn()
|
|
|
|
def stop(self):
|
|
""" Shutdown the WSGI server. Wait for non deamon threads.
|
|
"""
|
|
_logger.info("Initiating shutdown")
|
|
_logger.info("Hit CTRL-C again or send a second signal to force the shutdown.")
|
|
|
|
if self.httpd:
|
|
self.httpd.shutdown()
|
|
self.close_socket(self.httpd.socket)
|
|
|
|
# Manually join() all threads before calling sys.exit() to allow a second signal
|
|
# to trigger _force_quit() in case some non-daemon threads won't exit cleanly.
|
|
# threading.Thread.join() should not mask signals (at least in python 2.5).
|
|
me = threading.currentThread()
|
|
_logger.debug('current thread: %r', me)
|
|
for thread in threading.enumerate():
|
|
_logger.debug('process %r (%r)', thread, thread.isDaemon())
|
|
if thread != me and not thread.isDaemon() and thread.ident != self.main_thread_id:
|
|
while thread.isAlive():
|
|
_logger.debug('join and sleep')
|
|
# Need a busyloop here as thread.join() masks signals
|
|
# and would prevent the forced shutdown.
|
|
thread.join(0.05)
|
|
time.sleep(0.05)
|
|
|
|
_logger.debug('--')
|
|
openerp.modules.registry.RegistryManager.delete_all()
|
|
logging.shutdown()
|
|
|
|
def run(self, preload=None, stop=False):
|
|
""" Start the http server and the cron thread then wait for a signal.
|
|
|
|
The first SIGINT or SIGTERM signal will initiate a graceful shutdown while
|
|
a second one if any will force an immediate exit.
|
|
"""
|
|
self.start()
|
|
|
|
rc = preload_registries(preload)
|
|
|
|
if stop:
|
|
self.stop()
|
|
return rc
|
|
|
|
# Wait for a first signal to be handled. (time.sleep will be interrupted
|
|
# by the signal handler.) The try/except is for the win32 case.
|
|
try:
|
|
while self.quit_signals_received == 0:
|
|
time.sleep(60)
|
|
except KeyboardInterrupt:
|
|
pass
|
|
|
|
self.stop()
|
|
|
|
def reload(self):
|
|
os.kill(self.pid, signal.SIGHUP)
|
|
|
|
class GeventServer(CommonServer):
|
|
def __init__(self, app):
|
|
super(GeventServer, self).__init__(app)
|
|
self.port = config['longpolling_port']
|
|
self.httpd = None
|
|
|
|
def watch_parent(self, beat=4):
|
|
import gevent
|
|
ppid = os.getppid()
|
|
while True:
|
|
if ppid != os.getppid():
|
|
pid = os.getpid()
|
|
_logger.info("LongPolling (%s) Parent changed", pid)
|
|
# suicide !!
|
|
os.kill(pid, signal.SIGTERM)
|
|
return
|
|
gevent.sleep(beat)
|
|
|
|
def start(self):
|
|
import gevent
|
|
from gevent.wsgi import WSGIServer
|
|
|
|
if os.name == 'posix':
|
|
signal.signal(signal.SIGQUIT, dumpstacks)
|
|
|
|
gevent.spawn(self.watch_parent)
|
|
self.httpd = WSGIServer((self.interface, self.port), self.app)
|
|
_logger.info('Evented Service (longpolling) running on %s:%s', self.interface, self.port)
|
|
self.httpd.serve_forever()
|
|
|
|
def stop(self):
|
|
import gevent
|
|
self.httpd.stop()
|
|
gevent.shutdown()
|
|
|
|
def run(self, preload, stop):
|
|
self.start()
|
|
self.stop()
|
|
|
|
class PreforkServer(CommonServer):
|
|
""" Multiprocessing inspired by (g)unicorn.
|
|
PreforkServer (aka Multicorn) currently uses accept(2) as dispatching
|
|
method between workers but we plan to replace it by a more intelligent
|
|
dispatcher to will parse the first HTTP request line.
|
|
"""
|
|
def __init__(self, app):
|
|
# config
|
|
self.address = (config['xmlrpc_interface'] or '0.0.0.0', config['xmlrpc_port'])
|
|
self.population = config['workers']
|
|
self.timeout = config['limit_time_real']
|
|
self.limit_request = config['limit_request']
|
|
# working vars
|
|
self.beat = 4
|
|
self.app = app
|
|
self.pid = os.getpid()
|
|
self.socket = None
|
|
self.workers_http = {}
|
|
self.workers_cron = {}
|
|
self.workers = {}
|
|
self.generation = 0
|
|
self.queue = []
|
|
self.long_polling_pid = None
|
|
|
|
def pipe_new(self):
|
|
pipe = os.pipe()
|
|
for fd in pipe:
|
|
# non_blocking
|
|
flags = fcntl.fcntl(fd, fcntl.F_GETFL) | os.O_NONBLOCK
|
|
fcntl.fcntl(fd, fcntl.F_SETFL, flags)
|
|
# close_on_exec
|
|
flags = fcntl.fcntl(fd, fcntl.F_GETFD) | fcntl.FD_CLOEXEC
|
|
fcntl.fcntl(fd, fcntl.F_SETFD, flags)
|
|
return pipe
|
|
|
|
def pipe_ping(self, pipe):
|
|
try:
|
|
os.write(pipe[1], '.')
|
|
except IOError, e:
|
|
if e.errno not in [errno.EAGAIN, errno.EINTR]:
|
|
raise
|
|
|
|
def signal_handler(self, sig, frame):
|
|
if len(self.queue) < 5 or sig == signal.SIGCHLD:
|
|
self.queue.append(sig)
|
|
self.pipe_ping(self.pipe)
|
|
else:
|
|
_logger.warn("Dropping signal: %s", sig)
|
|
|
|
def worker_spawn(self, klass, workers_registry):
|
|
self.generation += 1
|
|
worker = klass(self)
|
|
pid = os.fork()
|
|
if pid != 0:
|
|
worker.pid = pid
|
|
self.workers[pid] = worker
|
|
workers_registry[pid] = worker
|
|
return worker
|
|
else:
|
|
worker.run()
|
|
sys.exit(0)
|
|
|
|
def long_polling_spawn(self):
|
|
nargs = stripped_sys_argv()
|
|
cmd = nargs[0]
|
|
cmd = os.path.join(os.path.dirname(cmd), "openerp-gevent")
|
|
nargs[0] = cmd
|
|
popen = subprocess.Popen(nargs)
|
|
self.long_polling_pid = popen.pid
|
|
|
|
def worker_pop(self, pid):
|
|
if pid in self.workers:
|
|
_logger.debug("Worker (%s) unregistered", pid)
|
|
try:
|
|
self.workers_http.pop(pid, None)
|
|
self.workers_cron.pop(pid, None)
|
|
u = self.workers.pop(pid)
|
|
u.close()
|
|
except OSError:
|
|
return
|
|
|
|
def worker_kill(self, pid, sig):
|
|
try:
|
|
os.kill(pid, sig)
|
|
except OSError, e:
|
|
if e.errno == errno.ESRCH:
|
|
self.worker_pop(pid)
|
|
|
|
def process_signals(self):
|
|
while len(self.queue):
|
|
sig = self.queue.pop(0)
|
|
if sig in [signal.SIGINT, signal.SIGTERM]:
|
|
raise KeyboardInterrupt
|
|
elif sig == signal.SIGHUP:
|
|
# restart on kill -HUP
|
|
openerp.phoenix = True
|
|
raise KeyboardInterrupt
|
|
elif sig == signal.SIGQUIT:
|
|
# dump stacks on kill -3
|
|
self.dumpstacks()
|
|
elif sig == signal.SIGTTIN:
|
|
# increase number of workers
|
|
self.population += 1
|
|
elif sig == signal.SIGTTOU:
|
|
# decrease number of workers
|
|
self.population -= 1
|
|
|
|
def process_zombie(self):
|
|
# reap dead workers
|
|
while 1:
|
|
try:
|
|
wpid, status = os.waitpid(-1, os.WNOHANG)
|
|
if not wpid:
|
|
break
|
|
if (status >> 8) == 3:
|
|
msg = "Critial worker error (%s)"
|
|
_logger.critical(msg, wpid)
|
|
raise Exception(msg % wpid)
|
|
self.worker_pop(wpid)
|
|
except OSError, e:
|
|
if e.errno == errno.ECHILD:
|
|
break
|
|
raise
|
|
|
|
def process_timeout(self):
|
|
now = time.time()
|
|
for (pid, worker) in self.workers.items():
|
|
if worker.watchdog_timeout is not None and \
|
|
(now - worker.watchdog_time) >= worker.watchdog_timeout:
|
|
_logger.error("Worker (%s) timeout", pid)
|
|
self.worker_kill(pid, signal.SIGKILL)
|
|
|
|
def process_spawn(self):
|
|
while len(self.workers_http) < self.population:
|
|
self.worker_spawn(WorkerHTTP, self.workers_http)
|
|
while len(self.workers_cron) < config['max_cron_threads']:
|
|
self.worker_spawn(WorkerCron, self.workers_cron)
|
|
if not self.long_polling_pid:
|
|
self.long_polling_spawn()
|
|
|
|
def sleep(self):
|
|
try:
|
|
# map of fd -> worker
|
|
fds = dict([(w.watchdog_pipe[0], w) for k, w in self.workers.items()])
|
|
fd_in = fds.keys() + [self.pipe[0]]
|
|
# check for ping or internal wakeups
|
|
ready = select.select(fd_in, [], [], self.beat)
|
|
# update worker watchdogs
|
|
for fd in ready[0]:
|
|
if fd in fds:
|
|
fds[fd].watchdog_time = time.time()
|
|
try:
|
|
# empty pipe
|
|
while os.read(fd, 1):
|
|
pass
|
|
except OSError, e:
|
|
if e.errno not in [errno.EAGAIN]:
|
|
raise
|
|
except select.error, e:
|
|
if e[0] not in [errno.EINTR]:
|
|
raise
|
|
|
|
def start(self):
|
|
# Empty the cursor pool, we dont want them to be shared among forked workers.
|
|
openerp.sql_db.close_all()
|
|
# wakeup pipe, python doesnt throw EINTR when a syscall is interrupted
|
|
# by a signal simulating a pseudo SA_RESTART. We write to a pipe in the
|
|
# signal handler to overcome this behaviour
|
|
self.pipe = self.pipe_new()
|
|
# set signal handlers
|
|
signal.signal(signal.SIGINT, self.signal_handler)
|
|
signal.signal(signal.SIGTERM, self.signal_handler)
|
|
signal.signal(signal.SIGHUP, self.signal_handler)
|
|
signal.signal(signal.SIGCHLD, self.signal_handler)
|
|
signal.signal(signal.SIGTTIN, self.signal_handler)
|
|
signal.signal(signal.SIGTTOU, self.signal_handler)
|
|
signal.signal(signal.SIGQUIT, dumpstacks)
|
|
|
|
# listen to socket
|
|
self.socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
|
|
self.socket.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
|
|
self.socket.setblocking(0)
|
|
self.socket.bind(self.address)
|
|
self.socket.listen(8 * self.population)
|
|
|
|
def stop(self, graceful=True):
|
|
if self.long_polling_pid is not None:
|
|
# FIXME make longpolling process handle SIGTERM correctly
|
|
self.worker_kill(self.long_polling_pid, signal.SIGKILL)
|
|
self.long_polling_pid = None
|
|
if graceful:
|
|
_logger.info("Stopping gracefully")
|
|
limit = time.time() + self.timeout
|
|
for pid in self.workers.keys():
|
|
self.worker_kill(pid, signal.SIGTERM)
|
|
while self.workers and time.time() < limit:
|
|
self.process_zombie()
|
|
time.sleep(0.1)
|
|
else:
|
|
_logger.info("Stopping forcefully")
|
|
for pid in self.workers.keys():
|
|
self.worker_kill(pid, signal.SIGTERM)
|
|
self.socket.close()
|
|
|
|
def run(self, preload, stop):
|
|
self.start()
|
|
|
|
rc = preload_registries(preload)
|
|
|
|
if stop:
|
|
self.stop()
|
|
return rc
|
|
|
|
_logger.debug("Multiprocess starting")
|
|
while 1:
|
|
try:
|
|
#_logger.debug("Multiprocess beat (%s)",time.time())
|
|
self.process_signals()
|
|
self.process_zombie()
|
|
self.process_timeout()
|
|
self.process_spawn()
|
|
self.sleep()
|
|
except KeyboardInterrupt:
|
|
_logger.debug("Multiprocess clean stop")
|
|
self.stop()
|
|
break
|
|
except Exception, e:
|
|
_logger.exception(e)
|
|
self.stop(False)
|
|
return -1
|
|
|
|
class Worker(object):
|
|
""" Workers """
|
|
def __init__(self, multi):
|
|
self.multi = multi
|
|
self.watchdog_time = time.time()
|
|
self.watchdog_pipe = multi.pipe_new()
|
|
# Can be set to None if no watchdog is desired.
|
|
self.watchdog_timeout = multi.timeout
|
|
self.ppid = os.getpid()
|
|
self.pid = None
|
|
self.alive = True
|
|
# should we rename into lifetime ?
|
|
self.request_max = multi.limit_request
|
|
self.request_count = 0
|
|
|
|
def setproctitle(self, title=""):
|
|
setproctitle('openerp: %s %s %s' % (self.__class__.__name__, self.pid, title))
|
|
|
|
def close(self):
|
|
os.close(self.watchdog_pipe[0])
|
|
os.close(self.watchdog_pipe[1])
|
|
|
|
def signal_handler(self, sig, frame):
|
|
self.alive = False
|
|
|
|
def sleep(self):
|
|
try:
|
|
select.select([self.multi.socket], [], [], self.multi.beat)
|
|
except select.error, e:
|
|
if e[0] not in [errno.EINTR]:
|
|
raise
|
|
|
|
def process_limit(self):
|
|
if resource is None:
|
|
return
|
|
# If our parent changed sucide
|
|
if self.ppid != os.getppid():
|
|
_logger.info("Worker (%s) Parent changed", self.pid)
|
|
self.alive = False
|
|
# check for lifetime
|
|
if self.request_count >= self.request_max:
|
|
_logger.info("Worker (%d) max request (%s) reached.", self.pid, self.request_count)
|
|
self.alive = False
|
|
# Reset the worker if it consumes too much memory (e.g. caused by a memory leak).
|
|
rss, vms = psutil.Process(os.getpid()).get_memory_info()
|
|
if vms > config['limit_memory_soft']:
|
|
_logger.info('Worker (%d) virtual memory limit (%s) reached.', self.pid, vms)
|
|
self.alive = False # Commit suicide after the request.
|
|
|
|
# VMS and RLIMIT_AS are the same thing: virtual memory, a.k.a. address space
|
|
soft, hard = resource.getrlimit(resource.RLIMIT_AS)
|
|
resource.setrlimit(resource.RLIMIT_AS, (config['limit_memory_hard'], hard))
|
|
|
|
# SIGXCPU (exceeded CPU time) signal handler will raise an exception.
|
|
r = resource.getrusage(resource.RUSAGE_SELF)
|
|
cpu_time = r.ru_utime + r.ru_stime
|
|
def time_expired(n, stack):
|
|
_logger.info('Worker (%d) CPU time limit (%s) reached.', config['limit_time_cpu'])
|
|
# We dont suicide in such case
|
|
raise Exception('CPU time limit exceeded.')
|
|
signal.signal(signal.SIGXCPU, time_expired)
|
|
soft, hard = resource.getrlimit(resource.RLIMIT_CPU)
|
|
resource.setrlimit(resource.RLIMIT_CPU, (cpu_time + config['limit_time_cpu'], hard))
|
|
|
|
def process_work(self):
|
|
pass
|
|
|
|
def start(self):
|
|
self.pid = os.getpid()
|
|
self.setproctitle()
|
|
_logger.info("Worker %s (%s) alive", self.__class__.__name__, self.pid)
|
|
# Reseed the random number generator
|
|
random.seed()
|
|
# Prevent fd inherientence close_on_exec
|
|
flags = fcntl.fcntl(self.multi.socket, fcntl.F_GETFD) | fcntl.FD_CLOEXEC
|
|
fcntl.fcntl(self.multi.socket, fcntl.F_SETFD, flags)
|
|
# reset blocking status
|
|
self.multi.socket.setblocking(0)
|
|
signal.signal(signal.SIGINT, self.signal_handler)
|
|
signal.signal(signal.SIGTERM, signal.SIG_DFL)
|
|
signal.signal(signal.SIGCHLD, signal.SIG_DFL)
|
|
|
|
def stop(self):
|
|
pass
|
|
|
|
def run(self):
|
|
try:
|
|
self.start()
|
|
while self.alive:
|
|
self.process_limit()
|
|
self.multi.pipe_ping(self.watchdog_pipe)
|
|
self.sleep()
|
|
self.process_work()
|
|
_logger.info("Worker (%s) exiting. request_count: %s.", self.pid, self.request_count)
|
|
self.stop()
|
|
except Exception:
|
|
_logger.exception("Worker (%s) Exception occured, exiting..." % self.pid)
|
|
# should we use 3 to abort everything ?
|
|
sys.exit(1)
|
|
|
|
class WorkerHTTP(Worker):
|
|
""" HTTP Request workers """
|
|
def process_request(self, client, addr):
|
|
client.setblocking(1)
|
|
client.setsockopt(socket.IPPROTO_TCP, socket.TCP_NODELAY, 1)
|
|
# Prevent fd inherientence close_on_exec
|
|
flags = fcntl.fcntl(client, fcntl.F_GETFD) | fcntl.FD_CLOEXEC
|
|
fcntl.fcntl(client, fcntl.F_SETFD, flags)
|
|
# do request using BaseWSGIServerNoBind monkey patched with socket
|
|
self.server.socket = client
|
|
# tolerate broken pipe when the http client closes the socket before
|
|
# receiving the full reply
|
|
try:
|
|
self.server.process_request(client, addr)
|
|
except IOError, e:
|
|
if e.errno != errno.EPIPE:
|
|
raise
|
|
self.request_count += 1
|
|
|
|
def process_work(self):
|
|
try:
|
|
client, addr = self.multi.socket.accept()
|
|
self.process_request(client, addr)
|
|
except socket.error, e:
|
|
if e[0] not in (errno.EAGAIN, errno.ECONNABORTED):
|
|
raise
|
|
|
|
def start(self):
|
|
Worker.start(self)
|
|
self.server = BaseWSGIServerNoBind(self.multi.app)
|
|
|
|
class WorkerCron(Worker):
|
|
""" Cron workers """
|
|
|
|
def __init__(self, multi):
|
|
super(WorkerCron, self).__init__(multi)
|
|
# process_work() below process a single database per call.
|
|
# The variable db_index is keeping track of the next database to
|
|
# process.
|
|
self.db_index = 0
|
|
|
|
def sleep(self):
|
|
# Really sleep once all the databases have been processed.
|
|
if self.db_index == 0:
|
|
interval = SLEEP_INTERVAL + self.pid % 10 # chorus effect
|
|
time.sleep(interval)
|
|
|
|
def _db_list(self):
|
|
if config['db_name']:
|
|
db_names = config['db_name'].split(',')
|
|
else:
|
|
db_names = openerp.service.db.exp_list(True)
|
|
return db_names
|
|
|
|
def process_work(self):
|
|
rpc_request = logging.getLogger('openerp.netsvc.rpc.request')
|
|
rpc_request_flag = rpc_request.isEnabledFor(logging.DEBUG)
|
|
_logger.debug("WorkerCron (%s) polling for jobs", self.pid)
|
|
db_names = self._db_list()
|
|
if len(db_names):
|
|
self.db_index = (self.db_index + 1) % len(db_names)
|
|
db_name = db_names[self.db_index]
|
|
self.setproctitle(db_name)
|
|
if rpc_request_flag:
|
|
start_time = time.time()
|
|
start_rss, start_vms = psutil.Process(os.getpid()).get_memory_info()
|
|
|
|
import openerp.addons.base as base
|
|
base.ir.ir_cron.ir_cron._acquire_job(db_name)
|
|
openerp.modules.registry.RegistryManager.delete(db_name)
|
|
|
|
# dont keep cursors in multi database mode
|
|
if len(db_names) > 1:
|
|
openerp.sql_db.close_db(db_name)
|
|
if rpc_request_flag:
|
|
run_time = time.time() - start_time
|
|
end_rss, end_vms = psutil.Process(os.getpid()).get_memory_info()
|
|
vms_diff = (end_vms - start_vms) / 1024
|
|
logline = '%s time:%.3fs mem: %sk -> %sk (diff: %sk)' % \
|
|
(db_name, run_time, start_vms / 1024, end_vms / 1024, vms_diff)
|
|
_logger.debug("WorkerCron (%s) %s", self.pid, logline)
|
|
|
|
self.request_count += 1
|
|
if self.request_count >= self.request_max and self.request_max < len(db_names):
|
|
_logger.error("There are more dabatases to process than allowed "
|
|
"by the `limit_request` configuration variable: %s more.",
|
|
len(db_names) - self.request_max)
|
|
else:
|
|
self.db_index = 0
|
|
|
|
def start(self):
|
|
os.nice(10) # mommy always told me to be nice with others...
|
|
Worker.start(self)
|
|
self.multi.socket.close()
|
|
|
|
#----------------------------------------------------------
|
|
# start/stop public api
|
|
#----------------------------------------------------------
|
|
|
|
server = None
|
|
|
|
def load_server_wide_modules():
|
|
for m in openerp.conf.server_wide_modules:
|
|
try:
|
|
openerp.modules.module.load_openerp_module(m)
|
|
except Exception:
|
|
msg = ''
|
|
if m == 'web':
|
|
msg = """
|
|
The `web` module is provided by the addons found in the `openerp-web` project.
|
|
Maybe you forgot to add those addons in your addons_path configuration."""
|
|
_logger.exception('Failed to load server-wide module `%s`.%s', m, msg)
|
|
|
|
def _reexec(updated_modules=None):
|
|
"""reexecute openerp-server process with (nearly) the same arguments"""
|
|
if openerp.tools.osutil.is_running_as_nt_service():
|
|
subprocess.call('net stop {0} && net start {0}'.format(nt_service_name), shell=True)
|
|
exe = os.path.basename(sys.executable)
|
|
args = stripped_sys_argv()
|
|
args += ["-u", ','.join(updated_modules)]
|
|
if not args or args[0] != exe:
|
|
args.insert(0, exe)
|
|
os.execv(sys.executable, args)
|
|
|
|
def load_test_file_yml(registry, test_file):
|
|
with registry.cursor() as cr:
|
|
openerp.tools.convert_yaml_import(cr, 'base', file(test_file), 'test', {}, 'init')
|
|
if config['test_commit']:
|
|
_logger.info('test %s has been commited', test_file)
|
|
cr.commit()
|
|
else:
|
|
_logger.info('test %s has been rollbacked', test_file)
|
|
cr.rollback()
|
|
|
|
def load_test_file_py(registry, test_file):
|
|
# Locate python module based on its filename and run the tests
|
|
test_path, _ = os.path.splitext(os.path.abspath(test_file))
|
|
for mod_name, mod_mod in sys.modules.items():
|
|
if mod_mod:
|
|
mod_path, _ = os.path.splitext(getattr(mod_mod, '__file__', ''))
|
|
if test_path == mod_path:
|
|
suite = unittest2.TestSuite()
|
|
for t in unittest2.TestLoader().loadTestsFromModule(mod_mod):
|
|
suite.addTest(t)
|
|
_logger.log(logging.INFO, 'running tests %s.', mod_mod.__name__)
|
|
stream = openerp.modules.module.TestStream()
|
|
result = unittest2.TextTestRunner(verbosity=2, stream=stream).run(suite)
|
|
success = result.wasSuccessful()
|
|
if hasattr(registry._assertion_report,'report_result'):
|
|
registry._assertion_report.report_result(success)
|
|
if not success:
|
|
_logger.error('%s: at least one error occurred in a test', test_file)
|
|
|
|
def preload_registries(dbnames):
|
|
""" Preload a registries, possibly run a test file."""
|
|
# TODO: move all config checks to args dont check tools.config here
|
|
config = openerp.tools.config
|
|
test_file = config['test_file']
|
|
dbnames = dbnames or []
|
|
rc = 0
|
|
for dbname in dbnames:
|
|
try:
|
|
update_module = config['init'] or config['update']
|
|
registry = RegistryManager.new(dbname, update_module=update_module)
|
|
# run test_file if provided
|
|
if test_file:
|
|
_logger.info('loading test file %s', test_file)
|
|
if test_file.endswith('yml'):
|
|
load_test_file_yml(registry, test_file)
|
|
elif test_file.endswith('py'):
|
|
load_test_file_py(registry, test_file)
|
|
|
|
if registry._assertion_report.failures:
|
|
rc += 1
|
|
except Exception:
|
|
_logger.critical('Failed to initialize database `%s`.', dbname, exc_info=True)
|
|
return -1
|
|
return rc
|
|
|
|
def start(preload=None, stop=False):
|
|
""" Start the openerp http server and cron processor.
|
|
"""
|
|
global server
|
|
load_server_wide_modules()
|
|
if openerp.evented:
|
|
server = GeventServer(openerp.service.wsgi_server.application)
|
|
elif config['workers']:
|
|
server = PreforkServer(openerp.service.wsgi_server.application)
|
|
else:
|
|
server = ThreadedServer(openerp.service.wsgi_server.application)
|
|
|
|
if config['auto_reload']:
|
|
autoreload = AutoReload(server)
|
|
autoreload.run()
|
|
|
|
rc = server.run(preload, stop)
|
|
|
|
# like the legend of the phoenix, all ends with beginnings
|
|
if getattr(openerp, 'phoenix', False):
|
|
modules = []
|
|
if config['auto_reload']:
|
|
modules = autoreload.modules.keys()
|
|
_reexec(modules)
|
|
|
|
return rc if rc else 0
|
|
|
|
def restart():
|
|
""" Restart the server
|
|
"""
|
|
if os.name == 'nt':
|
|
# run in a thread to let the current thread return response to the caller.
|
|
threading.Thread(target=_reexec).start()
|
|
else:
|
|
os.kill(server.pid, signal.SIGHUP)
|
|
|
|
# vim:expandtab:smartindent:tabstop=4:softtabstop=4:shiftwidth=4:
|