def setup(self):
try:
self.setup_basic_logging()
self.setup_signals()
self.setup_environment_variables()
self.read_configuration()
self.setup_logging()
self.parse_args()
self.setup_default_loglevel()
self.logger.info('Starting EVA: the EVent Adapter.')
self.print_environment('Global configuration: ')
self.setup_client_group_id()
self.setup_health_check_server()
self.setup_statsd_client()
self.setup_zookeeper()
self.setup_productstatus()
self.setup_listeners()
self.setup_executor()
self.setup_adapter()
except eva.exceptions.EvaException as e:
self.logger.critical(str(e))
self.logger.info('Shutting down EVA due to missing or invalid configuration.')
sys.exit(1)
except Exception as e:
eva.print_exception_as_bug(e, self.logger)
self.logger.critical('EVA initialization failed. Your code is broken, please fix it.')
sys.exit(255)
def start(self):
try:
evaloop = eva.eventloop.Eventloop(self.productstatus_api,
self.listeners,
self.adapter,
self.executor,
self.statsd_client,
self.zookeeper,
self.environment_variables,
self.health_check_server,
self.logger,
)
if self.args.process_all_in_product_instance or self.args.process_data_instance:
if self.args.process_all_in_product_instance:
product_instance = self.productstatus_api.productinstance[self.args.process_all_in_product_instance]
evaloop.process_all_in_product_instance(product_instance)
elif self.args.process_data_instance:
evaloop.process_data_instance(self.args.process_data_instance)
evaloop.sort_queue()
while evaloop.process_all_events_once():
continue
else:
evaloop()
except eva.exceptions.ShutdownException as e:
self.logger.info(str(e))
except kazoo.exceptions.ConnectionLoss as e:
self.logger.critical('Shutting down EVA due to ZooKeeper connection loss: %s', str(e))
self.statsd.incr('zookeeper_connection_loss')
except Exception as e:
eva.print_exception_as_bug(e, self.logger)
sys.exit(255)
if self.zookeeper:
self.logger.info('Stopping ZooKeeper.')
self.zookeeper.stop()
self.logger.info('Shutting down EVA.')
