From 758610dff08f9c0a7b3e6b488fd0c97323889b2c Mon Sep 17 00:00:00 2001
From: Brad Stein <Brad.Stein@gmail.com>
Date: Sat, 17 Jan 2026 20:15:51 -0300
Subject: [PATCH] core: pin coredns to rpi workers

---
 infrastructure/core/coredns-deployment.yaml | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/infrastructure/core/coredns-deployment.yaml b/infrastructure/core/coredns-deployment.yaml
index d3eb368..1e69eec 100644
--- a/infrastructure/core/coredns-deployment.yaml
+++ b/infrastructure/core/coredns-deployment.yaml
@@ -81,6 +81,20 @@ spec:
             - name: custom-config-volume
               mountPath: /etc/coredns/custom
               readOnly: true
+      affinity:
+        nodeAffinity:
+          requiredDuringSchedulingIgnoredDuringExecution:
+            nodeSelectorTerms:
+              - matchExpressions:
+                  - key: hardware
+                    operator: In
+                    values:
+                      - rpi5
+                      - rpi4
+                  - key: node-role.kubernetes.io/worker
+                    operator: In
+                    values:
+                      - "true"
       dnsPolicy: Default
       nodeSelector:
         kubernetes.io/os: linux