Support topologySpreadConstraints

install/helm/agones/templates/controller.yaml

@@ -60,6 +60,15 @@ spec:
         release: {{ .Release.Name }}
         heritage: {{ .Release.Service }}
     spec:
+      {{- if .Values.agones.controller.topologySpreadConstraints }}
+      topologySpreadConstraints:
+        - maxSkew: {{ .Values.agones.controller.topologySpreadConstraints.maxSkew }}
+          topologyKey: {{ .Values.agones.controller.topologySpreadConstraints.topologyKey }}
+          whenUnsatisfiable: {{ .Values.agones.controller.topologySpreadConstraints.whenUnsatisfiable }}
+          labelSelector:
+            matchLabels:
+              {{- toYaml .Values.agones.controller.topologySpreadConstraints.labelSelector.matchLabels | nindent 20 }}
+      {{- end }}
       affinity:
       {{- if .Values.agones.controller.affinity }}
       {{- if .Values.agones.requireDedicatedNodes }}

install/helm/agones/templates/extensions.yaml

@@ -49,6 +49,17 @@ spec:
   version: v1
 {{- end}}
 {{- if .Values.agones.registerWebhooks }}
+  template:
+    spec:
+      {{- if .Values.agones.extensions.topologySpreadConstraints }}
+      topologySpreadConstraints:
+        - maxSkew: {{ .Values.agones.extensions.topologySpreadConstraints.maxSkew }}
+          topologyKey: {{ .Values.agones.extensions.topologySpreadConstraints.topologyKey }}
+          whenUnsatisfiable: {{ .Values.agones.extensions.topologySpreadConstraints.whenUnsatisfiable }}
+          labelSelector:
+            matchLabels:
+              {{- toYaml .Values.agones.extensions.topologySpreadConstraints.labelSelector.matchLabels | nindent 16 }}
+      {{- end }}
 ---
 apiVersion: admissionregistration.k8s.io/v1
 kind: ValidatingWebhookConfiguration

install/helm/agones/templates/service/allocation.yaml

@@ -177,6 +177,15 @@ spec:
 {{- toYaml .Values.agones.allocator.annotations | nindent 8 }}
 {{- end }}
     spec:
+      {{- if .Values.agones.allocator.topologySpreadConstraints }}
+      topologySpreadConstraints:
+        - maxSkew: {{ .Values.agones.allocator.topologySpreadConstraints.maxSkew }}
+          topologyKey: {{ .Values.agones.allocator.topologySpreadConstraints.topologyKey }}
+          whenUnsatisfiable: {{ .Values.agones.allocator.topologySpreadConstraints.whenUnsatisfiable }}
+          labelSelector:
+            matchLabels:
+              {{- toYaml .Values.agones.allocator.topologySpreadConstraints.labelSelector.matchLabels | nindent 20 }}
+      {{- end }}
       affinity:
       {{- if .Values.agones.allocator.affinity }}
       {{- if .Values.agones.requireDedicatedNodes }}

install/helm/agones/values.yaml

@@ -92,6 +92,14 @@ agones:
     replicas: 2
     pdb:
         minAvailable: 1
+    topologySpreadConstraints:
+      enabled: false
+      maxSkew: 1
+      topologyKey: kubernetes.io/hostname
+      whenUnsatisfiable: ScheduleAnyway
+      labelSelector:
+        matchLabels:
+          app: agones-controller
   extensions:
     resources: {}
       # requests:
@@ -139,6 +147,14 @@ agones:
       initialDelaySeconds: 3
       periodSeconds: 3
       failureThreshold: 3
+    topologySpreadConstraints:
+      enabled: false
+      maxSkew: 1
+      topologyKey: kubernetes.io/hostname
+      whenUnsatisfiable: ScheduleAnyway
+      labelSelector:
+        matchLabels:
+          app: agones-extensions
   ping:
     install: true
     pdb:
@@ -248,6 +264,14 @@ agones:
     remoteAllocationTimeout: 10s
     totalRemoteAllocationTimeout: 30s
     allocationBatchWaitTime: 500ms
+    topologySpreadConstraints:
+      enabled: true
+      maxSkew: 1
+      topologyKey: kubernetes.io/hostname
+      whenUnsatisfiable: ScheduleAnyway
+      labelSelector:
+        matchLabels:
+          app: agones-allocator    
   image:
     registry: us-docker.pkg.dev/agones-images/release
     tag: 1.38.0-dev

install/yaml/install.yaml

@@ -17005,6 +17005,13 @@ spec:
         release: agones-manual
         heritage: Helm
     spec:
+      topologySpreadConstraints:
+        - maxSkew: 1
+          topologyKey: kubernetes.io/hostname
+          whenUnsatisfiable: ScheduleAnyway
+          labelSelector:
+            matchLabels:
+                    app: agones-controller
       affinity:
         nodeAffinity:
           preferredDuringSchedulingIgnoredDuringExecution:
@@ -17369,6 +17376,13 @@ spec:
         prometheus.io/port: "8080"
         prometheus.io/path: "/metrics"
     spec:
+      topologySpreadConstraints:
+        - maxSkew: 1
+          topologyKey: kubernetes.io/hostname
+          whenUnsatisfiable: ScheduleAnyway
+          labelSelector:
+            matchLabels:
+                    app: agones-allocator
       affinity:
         nodeAffinity:
           preferredDuringSchedulingIgnoredDuringExecution:
@@ -17485,7 +17499,16 @@ spec:
     name: agones-controller-service
     namespace: agones-system
   caBundle: 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
-  version: v1
+  version: v1
+  template:
+    spec:
+      topologySpreadConstraints:
+        - maxSkew: 1
+          topologyKey: kubernetes.io/hostname
+          whenUnsatisfiable: ScheduleAnyway
+          labelSelector:
+            matchLabels:
+                app: agones-extensions
 ---
 # Source: agones/templates/extensions.yaml
 # Copyright 2018 Google LLC All Rights Reserved.