class AggregatorApplication(object):
"""Base application
"""
def __init__(self, config):
self.config = config
self.data_processor = None
self.status_processor = None
self.tasks = Tasks()
self.backends = []
self.start_time = time.time()
self.cache = Cache()
def configure_app(self, io_loop=None):
"""Configure application backends and storages
"""
storage = self.configure_storage(self.config['STORAGE'])
self.configure_backends(self.config['BACKENDS'], io_loop, self.config,
storage, self.tasks)
# Add periodic processing
self.data_processor = PeriodicProcessor(self, io_loop=io_loop)
self.data_processor.start()
self.status_processor = StatusPeriodicCallback(self, io_loop=io_loop)
self.status_processor.start()
def add_task(self, f, *args, **kwargs):
"""Add new task to tasks deque
:param task_type: task type (incr, decr)
:param data: (type parameters)
"""
self.tasks.append((f, args, kwargs))
def summary(self):
logger.info("Aggregator running {0}".format(pretty_timedelta(time.time() - self.start_time)))
for backend in self.backends:
backend.log_backend_status()
self.data_processor.summary()
self.storage.get_status()
def configure_storage(self, storage_path):
"""Configure data storage by path
:param storage: storage path
"""
module_path, name = storage_path.rsplit('.', 1)
try:
module = importlib.import_module(module_path, name)
storage = getattr(module, name)
except (ImportError, AttributeError), e:
raise Exception("Invalid storage: {0}".format(e))
return storage.setup(self)
def __init__(self, config):
self.config = config
self.data_processor = None
self.status_processor = None
self.tasks = Tasks()
self.backends = []
self.start_time = time.time()
self.cache = Cache()
def __init__(self, config):
self.config = config
self.data_processor = None
self.status_processor = None
self.tasks = Tasks()
self.backends = []
self.start_time = time.time()
self.cache = Cache()
tornado.web.Application.__init__(self, [], **config)
