Adding pod anti-affinity to the deployment manifest. (#52)

2025-03-14 14:16:16 +01:00 · 2018-01-18 20:25:39 +00:00 · 2018-01-18 20:25:39 +00:00 · 29da3093c4
commit 29da3093c4
parent 83dad27fc8
1 changed files with 12 additions and 0 deletions
--- a/kubernetes/coredns.yaml.sed
+++ b/kubernetes/coredns.yaml.sed
@ -86,6 +86,18 @@ spec:
          effect: NoSchedule
        - key: "CriticalAddonsOnly"
          operator: "Exists"
+      affinity:
+        podAntiAffinity:
+          preferredDuringSchedulingIgnoredDuringExecution:
+          - weight: 100
+            podAffinityTerm:
+              labelSelector:
+                matchExpressions:
+                - key: k8s-app
+                  operator: In
+                  values:
+                  - coredns
+              topologyKey: kubernetes.io/hostname
      containers:
      - name: coredns
        image: coredns/coredns:1.0.3