etwist/service.py
author Julien Cristau <julien.cristau@logilab.fr>
Thu, 10 Oct 2013 10:02:29 +0200
branchstable
changeset 9306 8ab0e601d418
parent 8695 358d8bed9626
child 10181 215403b9798f
permissions -rw-r--r--
[web] don't rename resources in gen-static-datadir We should use the result from WebConfiguration.locate_resource to know which file to copy, not what name to copy it to. The destination file should be the name of the resource, as the client will request it. This matters in the case of cubicweb.css which locate_resource might rewrite to cubicweb.old.css. Closes #3206129
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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# copyright 2003-2010 LOGILAB S.A. (Paris, FRANCE), all rights reserved.
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# contact http://www.logilab.fr/ -- mailto:contact@logilab.fr
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#
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# This file is part of CubicWeb.
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#
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# CubicWeb is free software: you can redistribute it and/or modify it under the
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# terms of the GNU Lesser General Public License as published by the Free
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# Software Foundation, either version 2.1 of the License, or (at your option)
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# any later version.
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#
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# CubicWeb is distributed in the hope that it will be useful, but WITHOUT
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# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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# FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License for more
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# details.
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#
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# You should have received a copy of the GNU Lesser General Public License along
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# with CubicWeb.  If not, see <http://www.gnu.org/licenses/>.
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import os
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import sys
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try:
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    import win32serviceutil
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    import win32service
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except ImportError:
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    print 'Win32 extensions for Python are likely not installed.'
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    sys.exit(3)
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from os.path import join
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from cubicweb.etwist.server import (CubicWebRootResource, reactor, server)
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from logilab.common.shellutils import rm
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import logging
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from logging import getLogger, handlers
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from cubicweb import set_log_methods
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from cubicweb.cwconfig import CubicWebConfiguration as cwcfg
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def _check_env(env):
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    env_vars = ('CW_INSTANCES_DIR', 'CW_INSTANCES_DATA_DIR', 'CW_RUNTIME_DIR')
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    for var in env_vars:
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        if var not in env:
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            raise Exception('The environment variables %s must be set.' % \
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                            ', '.join(env_vars))
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    if not env.get('USERNAME'):
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        env['USERNAME'] = 'cubicweb'
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class CWService(object, win32serviceutil.ServiceFramework):
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    _svc_name_ = None
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    _svc_display_name_ = None
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    instance = None
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    def __init__(self, *args, **kwargs):
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        win32serviceutil.ServiceFramework.__init__(self, *args, **kwargs)
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        cwcfg.load_cwctl_plugins()
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        logger = getLogger('cubicweb')
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        set_log_methods(CubicWebRootResource, logger)
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    def SvcStop(self):
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        self.ReportServiceStatus(win32service.SERVICE_STOP_PENDING)
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        logger = getLogger('cubicweb.twisted')
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        logger.info('stopping %s service' % self.instance)
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        reactor.stop()
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        self.ReportServiceStatus(win32service.SERVICE_STOP_PENDING)
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    def SvcDoRun(self):
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        self.ReportServiceStatus(win32service.SERVICE_START_PENDING)
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        logger = getLogger('cubicweb.twisted')
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        handler = handlers.NTEventLogHandler('cubicweb')
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        handler.setLevel(logging.INFO)
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        logger.addHandler(handler)
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        logger.info('starting %s service' % self.instance)
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        try:
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            _check_env(os.environ)
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            # create the site
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            config = cwcfg.config_for(self.instance)
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            config.init_log(force=True)
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            config.debugmode = False
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            logger.info('starting cubicweb instance %s ', self.instance)
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            config.info('clear ui caches')
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            for cachedir in ('uicache', 'uicachehttps'):
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                rm(join(config.appdatahome, cachedir, '*'))
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            root_resource = CubicWebRootResource(config)
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            website = server.Site(root_resource)
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            # serve it via standard HTTP on port set in the configuration
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            port = config['port'] or 8080
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            logger.info('listening on port %s' % port)
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            reactor.listenTCP(port, website)
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            root_resource.init_publisher()
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            root_resource.start_service()
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            logger.info('instance started on %s', root_resource.base_url)
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            self.ReportServiceStatus(win32service.SERVICE_RUNNING)
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            reactor.run()
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        except Exception as e:
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            logger.error('service %s stopped (cause: %s)' % (self.instance, e))
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            logger.exception('what happened ...')
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        self.ReportServiceStatus(win32service.SERVICE_STOPPED)