#!/usr/bin/env python
# -*- coding: utf-8 -*-
##############################################################################
#
# OpenERP, Open Source Management Solution
# Copyright (C) 2004-2009 Tiny SPRL (<http://tiny.be>).
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as
# published by the Free Software Foundation, either version 3 of the
# License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
##############################################################################
"""
OpenERP - Server
OpenERP is an ERP+CRM program for small and medium businesses.
The whole source code is distributed under the terms of the
GNU Public Licence.
(c) 2003-TODAY, Fabien Pinckaers - OpenERP SA
"""
import logging
import os
import signal
import sys
import threading
import traceback
import time
import openerp
__author__ = openerp.release.author
__version__ = openerp.release.version
def check_root_user():
""" Exit if the process's user is 'root' (on POSIX system)."""
if os.name == 'posix':
import pwd
if pwd.getpwuid(os.getuid())[0] == 'root' :
sys.stderr.write("Running as user 'root' is a security risk, aborting.\n")
sys.exit(1)
def check_postgres_user():
""" Exit if the configured database user is 'postgres'.
This function assumes the configuration has been initialized.
"""
config = openerp.tools.config
if config['db_user'] == 'postgres':
sys.stderr.write("Using the database user 'postgres' is a security risk, aborting.")
sys.exit(1)
def report_configuration():
""" Log the server version and some configuration values.
This function assumes the configuration has been initialized.
"""
config = openerp.tools.config
logger = logging.getLogger('server')
logger.info("OpenERP version %s", __version__)
for name, value in [('addons paths', config['addons_path']),
('database hostname', config['db_host'] or 'localhost'),
('database port', config['db_port'] or '5432'),
('database user', config['db_user'])]:
logger.info("%s: %s", name, value)
def setup_pid_file():
""" Create a file with the process id written in it.
This function assumes the configuration has been initialized.
"""
config = openerp.tools.config
if config['pidfile']:
fd = open(config['pidfile'], 'w')
pidtext = "%d" % (os.getpid())
fd.write(pidtext)
fd.close()
def preload_registry(dbname):
""" Preload a registry, and start the cron."""
try:
db, registry = openerp.pooler.get_db_and_pool(dbname, update_module=config['init'] or config['update'], pooljobs=False)
# jobs will start to be processed later, when openerp.cron.start_master_thread() is called by openerp.service.start_services()
registry.schedule_cron_jobs()
except Exception:
logging.exception('Failed to initialize database `%s`.', dbname)
def run_test_file(dbname, test_file):
""" Preload a registry, possibly run a test file, and start the cron."""
try:
db, registry = openerp.pooler.get_db_and_pool(dbname, update_module=config['init'] or config['update'], pooljobs=False)
cr = db.cursor()
logger = logging.getLogger('server')
logger.info('loading test file %s', test_file)
openerp.tools.convert_yaml_import(cr, 'base', file(test_file), {}, 'test', True)
cr.rollback()
cr.close()
except Exception:
logging.exception('Failed to initialize database `%s` and run test file `%s`.', dbname, test_file)
def export_translation():
config = openerp.tools.config
dbname = config['db_name']
logger = logging.getLogger('server')
if config["language"]:
msg = "language %s" % (config["language"],)
else:
msg = "new language"
logger.info('writing translation file for %s to %s', msg,
config["translate_out"])
fileformat = os.path.splitext(config["translate_out"])[-1][1:].lower()
buf = file(config["translate_out"], "w")
cr = openerp.pooler.get_db(dbname).cursor()
openerp.tools.trans_export(config["language"],
config["translate_modules"] or ["all"], buf, fileformat, cr)
cr.close()
buf.close()
logger.info('translation file written successfully')
def import_translation():
config = openerp.tools.config
context = {'overwrite': config["overwrite_existing_translations"]}
dbname = config['db_name']
cr = openerp.pooler.get_db(dbname).cursor()
openerp.tools.trans_load( cr, config["translate_in"], config["language"],
context=context)
openerp.tools.trans_update_res_ids(cr)
cr.commit()
cr.close()
# Variable keeping track of the number of calls to the signal handler defined
# below. This variable is monitored by ``quit_on_signals()``.
quit_signals_received = 0
def signal_handler(sig, frame):
""" Signal handler: exit ungracefully on the second handled signal.
:param sig: the signal number
:param frame: the interrupted stack frame or None
"""
global quit_signals_received
quit_signals_received += 1
if quit_signals_received > 1:
# logging.shutdown was already called at this point.
sys.stderr.write("Forced shutdown.\n")
os._exit(0)
def dumpstacks(sig, frame):
""" Signal handler: dump a stack trace for each existing thread."""
# code from http://stackoverflow.com/questions/132058/getting-stack-trace-from-a-running-python-application#answer-2569696
# modified for python 2.5 compatibility
thread_map = dict(threading._active, **threading._limbo)
id2name = dict([(threadId, thread.getName()) for threadId, thread in thread_map.items()])
code = []
for threadId, stack in sys._current_frames().items():
code.append("\n# Thread: %s(%d)" % (id2name[threadId], threadId))
for filename, lineno, name, line in traceback.extract_stack(stack):
code.append('File: "%s", line %d, in %s' % (filename, lineno, name))
if line:
code.append(" %s" % (line.strip()))
logging.getLogger('dumpstacks').info("\n".join(code))
def setup_signal_handlers():
""" Register the signal handler defined above. """
SIGNALS = map(lambda x: getattr(signal, "SIG%s" % x), "INT TERM".split())
map(lambda sig: signal.signal(sig, signal_handler), SIGNALS)
if os.name == 'posix':
signal.signal(signal.SIGQUIT, dumpstacks)
def quit_on_signals():
""" Wait for one or two signals then shutdown the server.
The first SIGINT or SIGTERM signal will initiate a graceful shutdown while
a second one if any will force an immediate exit.
"""
# Wait for a first signal to be handled. (time.sleep will be interrupted
# by the signal handler.)
while quit_signals_received == 0:
time.sleep(60)
if config['pidfile']:
os.unlink(config['pidfile'])
openerp.service.stop_services()
sys.exit(0)
if __name__ == "__main__":
os.environ["TZ"] = "UTC"
check_root_user()
openerp.tools.config.parse_config(sys.argv[1:])
check_postgres_user()
openerp.netsvc.init_logger()
report_configuration()
config = openerp.tools.config
setup_signal_handlers()
if config["test_file"]:
run_test_file(config['db_name'], config['test_file'])
sys.exit(0)
if config["translate_out"]:
export_translation()
sys.exit(0)
if config["translate_in"]:
import_translation()
sys.exit(0)
if not config["stop_after_init"]:
# Some module register themselves when they are loaded so we need the
# services to be running before loading any registry.
openerp.service.start_services()
if config['db_name']:
for dbname in config['db_name'].split(','):
preload_registry(dbname)
if config["stop_after_init"]:
sys.exit(0)
for m in openerp.conf.server_wide_modules:
try:
__import__(m)
# Call any post_load hook.
info = openerp.modules.module.load_information_from_description_file(m)
if info['post_load']:
getattr(sys.modules[m], info['post_load'])()
except Exception:
logging.exception('Failed to load server-wide module `%s`', m)
setup_pid_file()
logger = logging.getLogger('server')
logger.info('OpenERP server is running, waiting for connections...')
quit_on_signals()
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