bug fixing after testing

backfiller/backfiller/main.py

@@ -156,7 +156,7 @@ def list_hours(node, stream, variants, start=None):
 	if start is not None:
 		if not isinstance(start, datetime.datetime):
 			start = datetime.datetime.utcnow() - datetime.timedelta(hours=start)
-		hours = [hour for hour in hours if datetime.datetime.strptime(hour, HOUR_FMT) < start]
+		hours = [hour for hour in hours if datetime.datetime.strptime(hour, HOUR_FMT) > start]
 	
 	return hours
 
@@ -181,7 +181,7 @@ class BackfillerManager(object):
 		self.static_nodes = static_nodes
 		self.start = start
 		self.run_once = run_once
-		self.node_source
+		self.node_source = node_source
 		self.stopping = gevent.event.Event()
 		self.logger = logging.getLogger("BackfillerManager({})".format(stream))
 		self.workers = {} # {node url: worker}
@@ -189,8 +189,8 @@ class BackfillerManager(object):
 	def stop(self):
 		"""Shut down all workers and stop backfilling."""
 		self.logger.info('Stopping')
-		for worker in self.workers:
+		for node in self.workers.keys():
-			worker.stop()
+			self.stop_worker(node)
 		self.stopping.set()
 
 	def start_worker(self, node):
@@ -224,7 +224,7 @@ class BackfillerManager(object):
 		else:
 			self.stop()
 
-		for worker in self.workers:
+		for worker in self.workers.values():
 			worker.done.wait()
 
 
@@ -314,6 +314,7 @@ class BackfillerWorker(object):
 			try:
 				self.backfill(list_hours(self.node, self.stream, self.variants, self.start))
 				self.failures = 0 #reset failure count on a successful backfill
+				if not self.run_once:
 					self.stopping.wait(common.jitter(self.WAIT_INTERVAL))
 
 			except Exception:
@@ -342,8 +343,10 @@ def main(base_dir='.', streams='', variants='', metrics_port=8002,
 	if start is not None:
 		try:
 			start = float(start)
+			logging.info('Backfilling last {} hours'.format(start))
 		except ValueError:
 			start = dateutil.parser.parse(start)
+			logging.info('Backfilling since {}'.format(start)) 
 
 	common.PromLogCountsHandler.install()
 	common.install_stacksampler()