[port] Add username to RedisLockStore and RedisTrackerStore (#12852)

* add username to Redis Lock and Tracker Stores

* add changelog and reformat test

changelog/12852.improvement.md

@@ -0,0 +1 @@
+Added `username` to the connection parameters for `RedisLockStore` and `RedisTrackerStore`

data/test_endpoints/example_endpoints.yml

@@ -13,13 +13,27 @@ tracker_store:
   url: localhost
   port: 6379
   db: 0
+  username: username
   password: password
   key_prefix: conversation
   record_exp: 30000
   use_ssl: True
   ssl_keyfile: "keyfile.key"
   ssl_certfile: "certfile.crt"
   ssl_ca_certs: "my-bundle.ca-bundle"
+# example of redis external lock store config
+lock_store:
+  type: redis
+  url: localhost
+  port: 6379
+  db: 0
+  username: username
+  password: password
+  key_prefix: lock
+  use_ssl: True
+  ssl_keyfile: "keyfile.key"
+  ssl_certfile: "certfile.crt"
+  ssl_ca_certs: "my-bundle.ca-bundle"
 # example of mongoDB external tracker store config
 #tracker_store:
   #type: mongod

docs/docs/lock-stores.mdx

@@ -156,6 +156,8 @@ The `ConcurrentRedisLockStore` recreates the `TicketLock` from the persisted `Ti
   - `key_prefix` (default: `None`): The prefix to prepend to lock store keys. Must
     be alphanumeric
 
+  - `username` (default: `None`): Username used for authentication
+
   - `password` (default: `None`): Password used for authentication
     (`None` equals no authentication)
 

docs/docs/tracker-stores.mdx

@@ -219,6 +219,8 @@ To set up Rasa with Redis the following steps are required:
 * `key_prefix` (default: `None`): The prefix to prepend to tracker store keys. Must
     be alphanumeric
 
+* `username` (default: `None`): Username used for authentication
+
 * `password` (default: `None`): Password used for authentication
 (`None` equals no authentication)
 

rasa/core/lock_store.py

@@ -200,6 +200,7 @@ def __init__(
         host: Text = "localhost",
         port: int = 6379,
         db: int = 1,
+        username: Optional[Text] = None,
         password: Optional[Text] = None,
         use_ssl: bool = False,
         ssl_certfile: Optional[Text] = None,
@@ -215,6 +216,8 @@ def __init__(
             port: The port of the redis server.
             db: The name of the database within Redis which should be used by Rasa
                 Open Source.
+            username: The username which should be used for authentication with the
+                Redis database.
             password: The password which should be used for authentication with the
                 Redis database.
             use_ssl: `True` if SSL should be used for the connection to Redis.
@@ -232,6 +235,7 @@ def __init__(
             host=host,
             port=int(port),
             db=int(db),
+            username=username,
             password=password,
             ssl=use_ssl,
             ssl_certfile=ssl_certfile,

rasa/core/tracker_store.py

@@ -450,6 +450,7 @@ def __init__(
         host: Text = "localhost",
         port: int = 6379,
         db: int = 0,
+        username: Optional[Text] = None,
         password: Optional[Text] = None,
         event_broker: Optional[EventBroker] = None,
         record_exp: Optional[float] = None,
@@ -467,6 +468,7 @@ def __init__(
             host=host,
             port=port,
             db=db,
+            username=username,
             password=password,
             ssl=use_ssl,
             ssl_keyfile=ssl_keyfile,

tests/core/test_lock_store.py

@@ -1,31 +1,30 @@
 import asyncio
 import logging
 import sys
+import time
 from pathlib import Path
+from typing import Text
+from unittest.mock import Mock, patch
 
 import numpy as np
 import pytest
-import time
-
+import rasa.core.lock_store
 from _pytest.logging import LogCaptureFixture
 from _pytest.monkeypatch import MonkeyPatch
-from unittest.mock import patch, Mock
-
 from rasa.core.agent import Agent
 from rasa.core.channels import UserMessage
 from rasa.core.constants import DEFAULT_LOCK_LIFETIME
-from rasa.shared.constants import INTENT_MESSAGE_PREFIX
 from rasa.core.lock import TicketLock
-import rasa.core.lock_store
 from rasa.core.lock_store import (
+    DEFAULT_REDIS_LOCK_STORE_KEY_PREFIX,
     InMemoryLockStore,
     LockError,
     LockStore,
     RedisLockStore,
-    DEFAULT_REDIS_LOCK_STORE_KEY_PREFIX,
 )
+from rasa.shared.constants import INTENT_MESSAGE_PREFIX
 from rasa.shared.exceptions import ConnectionException
-from rasa.utils.endpoints import EndpointConfig
+from rasa.utils.endpoints import EndpointConfig, read_endpoint_config
 
 
 class FakeRedisLockStore(RedisLockStore):
@@ -384,3 +383,21 @@ async def test_redis_lock_store_with_valid_prefix(monkeypatch: MonkeyPatch):
     with pytest.raises(LockError):
         async with lock_store.lock("some sender"):
             pass
+
+
+def test_create_lock_store_from_endpoint_config(endpoints_path: Text):
+    store = read_endpoint_config(endpoints_path, endpoint_type="lock_store")
+    tracker_store = RedisLockStore(
+        host="localhost",
+        port=6379,
+        db=0,
+        username="username",
+        password="password",
+        use_ssl=True,
+        ssl_keyfile="keyfile.key",
+        ssl_certfile="certfile.crt",
+        ssl_ca_certs="my-bundle.ca-bundle",
+        key_prefix="lock",
+    )
+
+    assert isinstance(tracker_store, type(LockStore.create(store)))

tests/core/test_tracker_stores.py

@@ -144,6 +144,7 @@ def test_tracker_store_endpoint_config_loading(endpoints_path: Text):
             "url": "localhost",
             "port": 6379,
             "db": 0,
+            "username": "username",
             "password": "password",
             "timeout": 30000,
             "use_ssl": True,
@@ -163,6 +164,7 @@ def test_create_tracker_store_from_endpoint_config(
         host="localhost",
         port=6379,
         db=0,
+        username="username",
         password="password",
         record_exp=3000,
         use_ssl=True,