Enhancement: Support Redis ACL User Logins (#10551)

* Adding support for modern Redis ACL user-baased auth

* Reverting pre-config

* Simplified to combine legacy and acl redis connection uris

---------

Co-authored-by: Austen Hoogen <austenwho@protonmail.com>

CHANGELOG.md

@@ -12,6 +12,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Added `order_queryset` report helper function in [#10439](https://github.com/inventree/InvenTree/pull/10439)
 - Added much more detailed status information for machines to the API endpoint (including backend and frontend changes) in [#10381](https://github.com/inventree/InvenTree/pull/10381)
 - Added ability to partially complete and partially scrap build outputs in [#10499](https://github.com/inventree/InvenTree/pull/10499)
+- Added support for Redis ACL user-based authentication in [#10551](https://github.com/inventree/InvenTree/pull/10551)
 
 ### Changed
 

docs/docs/start/config.md

@@ -309,6 +309,7 @@ The following cache settings are available:
 | INVENTREE_CACHE_HOST | cache.host | Cache server host | *Not specified* |
 | INVENTREE_CACHE_PORT | cache.port | Cache server port | 6379 |
 | INVENTREE_CACHE_PASSWORD | cache.password | Cache server password | none |
+| INVENTREE_CACHE_USER | cache.user | Cache server username | none |
 | INVENTREE_CACHE_CONNECT_TIMEOUT | cache.connect_timeout | Cache connection timeout (seconds) | 3 |
 | INVENTREE_CACHE_TIMEOUT | cache.timeout | Cache timeout (seconds) | 3 |
 | INVENTREE_CACHE_TCP_KEEPALIVE | cache.tcp_keepalive | Cache TCP keepalive | True |

src/backend/InvenTree/InvenTree/cache.py

@@ -43,6 +43,11 @@ def cache_password():
     return cache_setting('password', None)
 
 
+def cache_user():
+    """Return the cash username."""
+    return cache_setting('user', None)
+
+
 def is_global_cache_enabled() -> bool:
     """Check if the global cache is enabled.
 
@@ -85,9 +90,10 @@ def get_cache_config(global_cache: bool) -> dict:
     if global_cache:
         # Build Redis URL with optional password
         password = cache_password()
+        user = cache_user() or ''
 
         if password:
-            redis_url = f'redis://:{password}@{cache_host()}:{cache_port()}/0'
+            redis_url = f'redis://{user}:{password}@{cache_host()}:{cache_port()}/0'
         else:
             redis_url = f'redis://{cache_host()}:{cache_port()}/0'