monitoring: avoid titan-22 for core pods

services/monitoring/helmrelease.yaml

@@ -15,6 +15,15 @@ spec:
         name: prometheus
         namespace: flux-system
   values:
+    affinity:
+      nodeAffinity:
+        requiredDuringSchedulingIgnoredDuringExecution:
+          nodeSelectorTerms:
+            - matchExpressions:
+                - key: kubernetes.io/hostname
+                  operator: NotIn
+                  values:
+                    - titan-22
     prometheusScrape: false
 
 ---
@@ -72,6 +81,15 @@ spec:
       persistentVolume:
         enabled: true
         size: 100Gi
+      affinity:
+        nodeAffinity:
+          requiredDuringSchedulingIgnoredDuringExecution:
+            nodeSelectorTerms:
+              - matchExpressions:
+                  - key: kubernetes.io/hostname
+                    operator: NotIn
+                    values:
+                      - titan-22
 
       # Enable built-in Kubernetes scraping
       scrape:
@@ -280,6 +298,15 @@ spec:
       enabled: true
       size: 20Gi
       storageClassName: astreae
+    affinity:
+      nodeAffinity:
+        requiredDuringSchedulingIgnoredDuringExecution:
+          nodeSelectorTerms:
+            - matchExpressions:
+                - key: kubernetes.io/hostname
+                  operator: NotIn
+                  values:
+                    - titan-22
     deploymentStrategy:
       type: Recreate
     service:
@@ -500,6 +527,15 @@ spec:
         name: prometheus
         namespace: flux-system
   values:
+    affinity:
+      nodeAffinity:
+        requiredDuringSchedulingIgnoredDuringExecution:
+          nodeSelectorTerms:
+            - matchExpressions:
+                - key: kubernetes.io/hostname
+                  operator: NotIn
+                  values:
+                    - titan-22
     ingress:
       enabled: true
       ingressClassName: traefik