initial commit

Change-Id: I26d65d84aa31f5cc4cc0835e3fb7269fedc73b45

deploy/kubernetes-ingress/templates/controller-hpa.yaml

@@ -0,0 +1,67 @@
+{{/*
+Copyright 2020 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 (eq .Values.controller.kind "Deployment") .Values.controller.autoscaling.enabled }}
+{{- if not .Values.controller.keda.enabled }}
+{{- if or (.Capabilities.APIVersions.Has "autoscaling/v2") (semverCompare ">=1.23.0-0" .Capabilities.KubeVersion.Version) }}
+apiVersion: autoscaling/v2
+{{- else if .Capabilities.APIVersions.Has "autoscaling/v2beta2" }}
+apiVersion: autoscaling/v2beta2
+{{- else }}
+  {{- fail "ERROR: You must have autoscaling/v2 or autoscaling/v2beta2 to use HorizontalPodAutoscaler" }}
+{{- end }}
+kind: HorizontalPodAutoscaler
+metadata:
+{{- if .Values.controller.autoscaling.annotations }}
+  annotations:
+{{ toYaml .Values.controller.autoscaling.annotations | indent 4 }}
+{{- end }}
+  name: {{ include "kubernetes-ingress.fullname" . }}
+  namespace: {{ include "kubernetes-ingress.namespace" . }}
+  labels:
+    {{- include "kubernetes-ingress.labels" . | nindent 4 }}
+spec:
+  scaleTargetRef:
+    apiVersion: apps/v1
+    kind: Deployment
+    name: {{ include "kubernetes-ingress.fullname" . }}
+  minReplicas: {{ .Values.controller.autoscaling.minReplicas }}
+  maxReplicas: {{ .Values.controller.autoscaling.maxReplicas }}
+  {{- if .Values.controller.autoscaling.behavior }}
+  behavior: {{- toYaml .Values.controller.autoscaling.behavior | nindent 4 }}
+  {{- end }}
+  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 }}
+  {{- if .Values.controller.autoscaling.custom }}
+  {{- toYaml .Values.controller.autoscaling.custom | nindent 4 }}
+  {{- end }}
+{{- end }}
+{{- end }}