Enable memcached failover on node failure

Add OPTIONS to horizon_session_caches to gracefully handle memcached node failures instead of returning HTTP 500 errors. Change-Id: I1bdc7fa9d2371f11b344802eee6613d827165140 Signed-off-by: Dmitriy Chubinidze <dcu995@gmail.com>
2026-04-14 08:54:27 +00:00
parent 5db53cd8e4
commit 6474b17fd8
2 changed files with 9 additions and 0 deletions
@@ -148,6 +148,9 @@ horizon_session_caches:
  default:
    BACKEND: "django.core.cache.backends.memcached.PyMemcacheCache"
    LOCATION: "{{ horizon_memcached_servers.split(',') }}"
+    OPTIONS:
+      ignore_exc: true
+      use_pooling: "{{ (horizon_memcached_servers.split(',') | length > 1) }}"
 horizon_session_timeout: 1800

 ## Horizon Help URL Path
@@ -0,0 +1,6 @@
+---
+fixes:
+  - |
+    Fixed Horizon returning HTTP 500 when a memcached node becomes
+    unreachable. Horizon session cache now bypasses dead nodes instead
+    of raising a connection error, keeping the dashboard operational.