logging: restore opensearch placement to rpi5 workers

services/logging/opensearch-helmrelease.yaml

@@ -40,26 +40,17 @@ spec:
         discovery.type: single-node
         plugins.security.disabled: true
         node.store.allow_mmap: false
-    nodeAffinity:
-      requiredDuringSchedulingIgnoredDuringExecution:
-        nodeSelectorTerms:
-          - matchExpressions:
-              - key: jetson
-                operator: In
-                values:
-                  - "true"
-          - matchExpressions:
-              - key: hardware
-                operator: In
-                values:
-                  - rpi5
-      preferredDuringSchedulingIgnoredDuringExecution:
-        - weight: 100
-          preference:
-            matchExpressions:
-              - key: jetson
-                operator: In
-                values:
-                  - "true"
+    nodeSelector:
+      node-role.kubernetes.io/worker: "true"
+      hardware: rpi5
+    affinity:
+      nodeAffinity:
+        requiredDuringSchedulingIgnoredDuringExecution:
+          nodeSelectorTerms:
+            - matchExpressions:
+                - key: hardware
+                  operator: In
+                  values:
+                    - rpi5
     sysctlInit:
       enabled: true