Add new topologySpreadConstraints to coredns

Prefer scaling across zones if multiple zones are available. Signed-off-by: Brad Davidson <brad.davidson@rancher.com>
2026-08-04 04:20:14 +00:00 · 2025-06-06 04:02:17 +08:00
parent 7c45e54f6e
commit f3671646f7
2 changed files with 7 additions and 1 deletions
--- a/manifests/coredns.yaml
+++ b/manifests/coredns.yaml
@@ -118,6 +118,12 @@ spec:
          labelSelector:
            matchLabels:
              k8s-app: kube-dns
+        - maxSkew: 1
+          topologyKey: topology.kubernetes.io/zone
+          whenUnsatisfiable: ScheduleAnyway
+          labelSelector:
+            matchLabels:
+              k8s-app: kube-dns
      containers:
      - name: coredns
        image: "%{SYSTEM_DEFAULT_REGISTRY}%rancher/mirrored-coredns-coredns:1.12.1"
--- a/pkg/deploy/zz_generated_bindata.go
+++ b/pkg/deploy/zz_generated_bindata.go