proxy: hpa

charts/neon-proxy/Chart.yaml

@@ -2,7 +2,7 @@ apiVersion: v2
 name: neon-proxy
 description: Neon Proxy
 type: application
-version: 1.7.23
+version: 1.8.0
 appVersion: "0.1.0"
 kubeVersion: "^1.18.x-x"
 home: https://neon.tech

charts/neon-proxy/README.md

@@ -1,6 +1,6 @@
 # neon-proxy
 
-![Version: 1.7.23](https://img.shields.io/badge/Version-1.7.23-informational?style=flat-square) ![Type: application](https://img.shields.io/badge/Type-application-informational?style=flat-square) [![Lint and Test Charts](https://github.com/neondatabase/helm-charts/actions/workflows/lint-test.yaml/badge.svg)](https://github.com/neondatabase/helm-charts/actions/workflows/lint-test.yaml)
+![Version: 1.8.0](https://img.shields.io/badge/Version-1.8.0-informational?style=flat-square) ![Type: application](https://img.shields.io/badge/Type-application-informational?style=flat-square) [![Lint and Test Charts](https://github.com/neondatabase/helm-charts/actions/workflows/lint-test.yaml/badge.svg)](https://github.com/neondatabase/helm-charts/actions/workflows/lint-test.yaml)
 
 Neon Proxy
 
@@ -36,6 +36,7 @@ Kubernetes: `^1.18.x-x`
 | exposedService.type | string | `"LoadBalancer"` | Exposed service type |
 | extraManifests | list | `[]` | Additional manifests that are created with the chart |
 | fullnameOverride | string | `""` | String to fully override neon-proxy.fullname template |
+| hpa | object | `{}` | HorizontalPodAutoscaling configurations |
 | image.pullPolicy | string | `"Always"` | image pull policy |
 | image.repository | string | `"neondatabase/neon"` | Neondatabase image repository |
 | image.tag | string | `"latest"` | Overrides the image tag whose default is the chart appVersion. |

charts/neon-proxy/templates/deployment.yaml

@@ -7,7 +7,9 @@ metadata:
 spec:
   strategy:
     {{- toYaml .Values.deploymentStrategy | nindent 4 }}
-  replicas: {{ .Values.replicaCount }}
+  {{- with .Values.replicaCount }}
+  replicas: {{ . }}
+  {{- end }}
   selector:
     matchLabels:
       {{- include "neon-proxy.selectorLabels" . | nindent 6 }}

charts/neon-proxy/templates/hpa.yaml

@@ -0,0 +1,36 @@
+{{ with .Values.hpa }}
+apiVersion: autoscaling/v2
+kind: HorizontalPodAutoscaler
+metadata:
+  name: php-apache
+spec:
+  scaleTargetRef:
+    apiVersion: apps/v1
+    kind: Deployment
+    name: {{ include "neon-proxy.fullname" . }}
+    labels:
+      {{- include "neon-proxy.labels" . | nindent 4 }}
+  minReplicas: {{ .minReplicas }}
+  maxReplicas: {{ .maxReplicas }}
+  metrics:
+  # With this metric the HPA controller will keep the average utilization of the pods in the scaling target at 50%.
+  # Utilization is the ratio between the current usage of resource to the requested resources of the pod
+  - type: Resource
+    resource:
+      name: cpu
+      target:
+        type: Utilization
+        averageUtilization: {{ .cpuUtilisation }}
+  - type: Resource
+    resource:
+      name: memory
+      target:
+        type: Utilization
+        averageUtilization: {{ .memoryUtilisation }}
+  {{- range .otherMetrics }}
+  - {{ . }}
+  {{- end }}
+  {{- with .behaviour }}
+  {{ . }}
+  {{- end }}
+{{ end }}

charts/neon-proxy/values.yaml

@@ -4,6 +4,35 @@
 
 replicaCount: 1
 
+# -- HorizontalPodAutoscaling configurations
+hpa: {}
+  # minReplicas: 1
+  # maxReplicas: 10
+  # cpuUtilisation: 50
+  # memoryUtilisation: 50
+  # otherMetrics: []
+  # behavior:
+  #   scaleDown:
+  #     # wait one day before scaling down
+  #     stabilizationWindowSeconds: 86400
+  #     policies:
+  #     # only scale down 10% of pods in a 5 minute window
+  #     - type: Percent
+  #       value: 10
+  #       periodSeconds: 300
+  #     # only scale down 1 pod every minute
+  #     - type: Pods
+  #       value: 1
+  #       periodSeconds: 60
+  #     selectPolicy: Min
+  #   scaleUp:
+  #     stabilizationWindowSeconds: 0
+  #     policies:
+  #     # double the number of pods every minute
+  #     - type: Percent
+  #       value: 100
+  #       periodSeconds: 60
+
 # -- strategy override for deployment
 deploymentStrategy:
   type: Recreate