changed limiter backend to redis #346

docs/CONFIG_DOC.md

@@ -212,7 +212,8 @@ max_area=100000 # max area to support for rawdata input
 use_connection_pooling=True # default it will not use connection pooling but you can configure api to use to for psycopg2 connections
 log_level=info #options are info,debug,warning,error
 env=dev # default is dev , supported values are dev and prod
-allow_bind_zip_filter=true # default is false, this will allow people to choose either their output should be zipped or not . Default all output will be zipped
+allow_bind_zip_filter=true # option to configure export output zipped/unzipped Default all output will be zipped
+limiter_storage_uri=redis://localhost:6379 # API uses redis as backend for rate limiting
 export_rate_limit=5 # no of requests per minute - default is 5 requests per minute
 ```
 Based on your requirement you can also customize rawdata exports parameter using EXPORT_UPLOAD block

src/galaxy/config.py

@@ -35,7 +35,10 @@
 config = ConfigParser()
 config.read(CONFIG_FILE_PATH)
 
-limiter = Limiter(key_func=get_remote_address) # rate limiter for API requests
+limiter_storage_uri = config.get(
+    "API_CONFIG", "limiter_storage_uri", fallback="redis://localhost:6379"
+)
+limiter = Limiter(key_func=get_remote_address, storage_uri=limiter_storage_uri) # rate limiter for API requests based on the remote ip address and redis as backend
 export_rate_limit = int(config.get("API_CONFIG", "export_rate_limit", fallback=5))
 # get log level from config
 log_level = config.get("API_CONFIG", "log_level", fallback=None)