add: nginxGateway HPA

Author: nowjean

charts/nginx-gateway-fabric/templates/hpa.yaml

@@ -2,7 +2,7 @@
 apiVersion: {{ ternary "autoscaling/v2" "autoscaling/v2beta2" (.Capabilities.APIVersions.Has "autoscaling/v2") }}
 kind: HorizontalPodAutoscaler
 metadata:
-  {{- with .Values.autoscaling.annotations }}
+  {{- with .Values.nginxGateway.autoscaling.annotations }}
   annotations: {{ toYaml . | nindent 4 }}
   {{- end }}
   labels:
@@ -17,18 +17,18 @@ spec:
     apiVersion: apps/v1
     kind: Deployment
     name: {{ include "nginx-gateway.fullname" . }}
-  minReplicas: {{ .Values.autoscaling.minReplicas }}
-  maxReplicas: {{ .Values.autoscaling.maxReplicas }}
+  minReplicas: {{ .Values.nginxGateway.autoscaling.minReplicas }}
+  maxReplicas: {{ .Values.nginxGateway.autoscaling.maxReplicas }}
   metrics:
-  {{- with .Values.autoscaling.targetMemoryUtilizationPercentage }}
+  {{- with .Values.nginxGateway.autoscaling.targetMemoryUtilizationPercentage }}
   - type: Resource
     resource:
       name: memory
       target:
         type: Utilization
         averageUtilization: {{ . }}
   {{- end }}
-  {{- with .Values.autoscaling.targetCPUUtilizationPercentage }}
+  {{- with .Values.nginxGateway.autoscaling.targetCPUUtilizationPercentage }}
   - type: Resource
     resource:
       name: cpu
@@ -39,7 +39,7 @@ spec:
   {{- with .Values.autoscalingTemplate }}
   {{- toYaml . | nindent 2 }}
   {{- end }}
-  {{- with .Values.autoscaling.behavior }}
+  {{- with .Values.nginxGateway.autoscaling.behavior }}
   behavior:
     {{- toYaml . | nindent 4 }}
   {{- end }}

charts/nginx-gateway-fabric/values.yaml

@@ -157,6 +157,7 @@ nginxGateway:
   topologySpreadConstraints: []
 
   autoscaling:
+    # Enable or disable Horizontal Pod Autoscaler
     enabled: false
     annotations: {}
     minReplicas: 1
@@ -252,8 +253,6 @@ nginx:
   # plane will copy these secrets into any namespace where NGINX is deployed.
   imagePullSecrets: []
 
-  resources: {}
-
   # Configuration for NGINX Plus usage reporting.
   usage:
     # -- The name of the Secret containing the JWT for NGINX Plus usage reporting. Must exist in the same namespace