app.py

@@ -21,19 +21,24 @@ sentry_sdk.init("https://0a106e104e114bc9a3fa47f9cb0db2f4@sentry.kmlabz.com/10")
 
 
 def main():
+
+    # set logging preferences
     logging.basicConfig(filename = '', level = logging.DEBUG)
 
+    # connect to redis
     r = redis.Redis(host = 'localhost', port = 6379, db = 0)
 
+    # set initial consumer addresses
     ip_list = os.environ['INITIAL_SERVERS'].split(',')
     logging.debug('Get consumer list from environ at first: Done')
+    # get the dictionary of the currently available consumers
     consumer_list_redis = json.loads((r.get('consumer_list') or b'{}').decode('utf-8'))
     logging.debug('Get consumer list from redis at first: Done')
     temp_dict = { }
 
     for ip in ip_list:
-
         try:
+            # request synchronization
             response = requests.post(f"http://{ip}/sync", json = { 'uuid': os.environ['LOCAL_UUID'] })
         except requests.exceptions.ConnectionError:
             continue
@@ -46,11 +51,13 @@ def main():
     logging.debug('Update redis consumers ip list from first answers: Done')
     while True:
         logging.debug('Infinite Cycle start : Done')
+        # get the dictionary of the currently available consumers
         consumer_list_redis = json.loads((r.get('consumer_list') or b'{}').decode('utf-8'))
         logging.debug('Get consumer list from redis: Done')
         for uuid, info in consumer_list_redis.items():
             ip = info['ip']
             try:
+                # request synchronization
                 response = requests.post(f"http://{ip}/sync", json = { 'uuid': os.environ['LOCAL_UUID'] })
             except requests.exceptions.ConnectionError:
                 continue
@@ -58,11 +65,14 @@ def main():
             if response.status_code == 200:
                 temp_dict[response.json()['uuid']] = { 'ip': ip }
 
+
+        # update the dictionary of the currently available consumers
         consumer_list_redis.update(temp_dict)
         r.set('consumer_list', json.dumps(consumer_list_redis).encode('utf-8'))
         logging.debug('Update redis consumer ip list from answers: Done')
 
         logging.debug('Waiting for next turn')
+        # wait for the next update time
         time.sleep(30)