def debugReport(self, FromDeferred=False): """Friendly Debug Reporting in the Logs handles instances of twisted.python.failure.Failure This method is callback chain safe """ if isinstance(FromDeferred, Failure): try: FromDeferred.raiseException() except: pass #just need the current exception in sys.exc_info crashReport('Service [%s]: Caught unhandled exception' % \ (self.name,), self) #assume this can be part of a callback chain return FromDeferred
def startService(self): """Start All AppManager Services""" if self.scanning.called: #need to pre-populate values self.scanning = defer.maybeDeferred(self._first_scan) self.first_run = True self._task = task.LoopingCall(self.scan_app_instances) #plugins will be created and loaded when needed for shortname in config.APPLICATIONS.keys(): manager = None try: applog = logWithContext(type=shortname, route=SERVICENAME) applog('Loading Application Plugin') applog('Creating Application Manager') manager = AppManager(shortname) manager.parentService = self #check and see if the model is bound if not AppManager(shortname).running: applog('Starting Application Manager') manager.start() except: failure = Failure() #bad plugin, not adaptable failures = (InvalidPlugin, TypeError) if failure.check(*failures) and manager: log('plugin for %s is invalid' % (manager.name, )) manager.action.__class__.delete(manager.action) try: pluginFactory.delete_plugin(manager.model) except: pass #silence AppManager.delete(manager) if not config.EXCESSIVE_LOGGING: continue #avoid extra logging try: failure.raiseException() except: crashReport('ApplicationLoader', self) Service.startService(self) Event('instance-started').subscribe(self.reset_tracking) #wire allapps action into the server drone.builtins.update({ 'allapps': self.allapps_action, 'applist': self.applist_action, }) #delay scanning by some interval config.reactor.callLater(SERVICECONFIG.initial_delay, self._start_all_tasks)
def startService(self): """Start All AppManager Services""" if self.scanning.called: #need to pre-populate values self.scanning = defer.maybeDeferred(self._first_scan) self.first_run = True self._task = task.LoopingCall(self.scan_app_instances) #plugins will be created and loaded when needed for shortname in config.APPLICATIONS.keys(): manager = None try: applog = logWithContext(type=shortname,route=SERVICENAME) applog('Loading Application Plugin') applog('Creating Application Manager') manager = AppManager(shortname) manager.parentService = self #check and see if the model is bound if not AppManager(shortname).running: applog('Starting Application Manager') manager.start() except: failure = Failure() #bad plugin, not adaptable failures = (InvalidPlugin, TypeError) if failure.check(*failures) and manager: log('plugin for %s is invalid' % (manager.name,)) manager.action.__class__.delete(manager.action) try: pluginFactory.delete_plugin(manager.model) except: pass #silence AppManager.delete(manager) if not config.EXCESSIVE_LOGGING: continue #avoid extra logging try: failure.raiseException() except: crashReport('ApplicationLoader', self) Service.startService(self) Event('instance-started').subscribe(self.reset_tracking) #wire allapps action into the server drone.builtins.update({ 'allapps': self.allapps_action, 'applist': self.applist_action, }) #delay scanning by some interval config.reactor.callLater(SERVICECONFIG.initial_delay, self._start_all_tasks)