REFACTOR(repo): standardize taint to control-plane

- Change node-role.kubernetes.io/master to control-plane
- Update velero, zot, postgresql, minio tolerations
- Change effect from NoExecute to NoSchedule (K3s standard)

minio/helm-values.yaml

@@ -96,11 +96,11 @@ affinity:
                   - minio
           topologyKey: kubernetes.io/hostname
 
-# Tolerations for master node (minio-0 runs on master)
+# Tolerations for control-plane node (minio-0 runs on control-plane)
 tolerations:
-  - key: "node-role.kubernetes.io/master"
+  - key: "node-role.kubernetes.io/control-plane"
     operator: "Exists"
-    effect: "NoExecute"
+    effect: "NoSchedule"
 
 # Prometheus metrics
 metrics:

postgresql/manifests/cluster.yaml

@@ -68,9 +68,9 @@ spec:
   affinity:
     podAntiAffinityType: preferred
     tolerations:
-      - key: "node-role.kubernetes.io/master"
+      - key: "node-role.kubernetes.io/control-plane"
         operator: "Exists"
-        effect: "NoExecute"
+        effect: "NoSchedule"
 
   # Enable superuser access
   enableSuperuserAccess: true

velero/helm-values.yaml

@@ -103,15 +103,15 @@ serviceAccount:
 rbac:
   create: true
 
-# Node selector - Run on master node for stability
+# Node selector - Run on control-plane node for stability
 nodeSelector:
-  node-role.kubernetes.io/master: "true"
+  node-role.kubernetes.io/control-plane: "true"
 
-# Tolerations - Allow scheduling on master node
+# Tolerations - Allow scheduling on control-plane node
 tolerations:
-  - key: "node-role.kubernetes.io/master"
+  - key: "node-role.kubernetes.io/control-plane"
     operator: "Exists"
-    effect: "NoExecute"
+    effect: "NoSchedule"
 
 # Affinity (disabled - single replica on master)
 affinity: {}

zot/helm-values.yaml

@@ -49,9 +49,9 @@ controllers:
                   app.kubernetes.io/name: zot
               topologyKey: kubernetes.io/hostname
       tolerations:
-      - key: "node-role.kubernetes.io/master"
+      - key: "node-role.kubernetes.io/control-plane"
         operator: "Exists"
-        effect: "NoExecute"
+        effect: "NoSchedule"
 
 service:
   zot: