initial commit

Change-Id: I8c7efecb9159f9025c139ba383cf1a5ae84ed88f

deploy/templates/controller-hpa.yaml

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+{{/*
+Copyright 2026 HAProxy Technologies LLC
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/}}
+
+{{- if and .Values.controller.autoscaling.enabled (not .Values.controller.keda.enabled) }}
+{{- if semverCompare ">=1.23-0" .Capabilities.KubeVersion.GitVersion }}
+apiVersion: autoscaling/v2
+{{- else }}
+apiVersion: autoscaling/v2beta2
+{{- end }}
+kind: HorizontalPodAutoscaler
+metadata:
+  name: {{ include "haproxy-unified-gateway.fullname" . }}
+  namespace: {{ include "haproxy-unified-gateway.namespace" . }}
+  labels:
+    {{- include "haproxy-unified-gateway.labels" . | nindent 4 }}
+spec:
+  scaleTargetRef:
+    apiVersion: apps/v1
+    kind: Deployment
+    name: {{ include "haproxy-unified-gateway.fullname" . }}
+  minReplicas: {{ .Values.controller.autoscaling.minReplicas }}
+  maxReplicas: {{ .Values.controller.autoscaling.maxReplicas }}
+  metrics:
+    {{- if .Values.controller.autoscaling.targetCPUUtilizationPercentage }}
+    - type: Resource
+      resource:
+        name: cpu
+        target:
+          type: Utilization
+          averageUtilization: {{ .Values.controller.autoscaling.targetCPUUtilizationPercentage }}
+    {{- end }}
+    {{- if .Values.controller.autoscaling.targetMemoryUtilizationPercentage }}
+    - type: Resource
+      resource:
+        name: memory
+        target:
+          type: Utilization
+          averageUtilization: {{ .Values.controller.autoscaling.targetMemoryUtilizationPercentage }}
+    {{- end }}
+{{- end }}