Exclude unreachable home node from exporter rollout

k8s-ng/core/prom-stack/prom-values.yaml

@@ -274,6 +274,17 @@ kube-state-metrics:
 
 prometheus-node-exporter:
   priorityClassName: monitoring-critical
+  # `home` has stopped reporting to the cluster. A DaemonSet pod there keeps
+  # prom-stack Progressing and blocks later core-state sync waves.
+  # Remove this exclusion when the node rejoins.
+  affinity:
+    nodeAffinity:
+      requiredDuringSchedulingIgnoredDuringExecution:
+        nodeSelectorTerms:
+          - matchExpressions:
+              - key: kubernetes.io/hostname
+                operator: NotIn
+                values: [home]
   tolerations:
     - operator: Exists
   prometheus: