[stable/nextcloud] Add HPA (#22836)

* [stable/nextcloud] Add HPA Signed-off-by: Tom Koch <[email protected]> * [stable/nextcloud] Bump chart version Signed-off-by: Tom Koch <[email protected]>
helm · Jun 17, 2020 · 65f4640 · 65f4640
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diff --git a/stable/nextcloud/Chart.yaml b/stable/nextcloud/Chart.yaml
@@ -1,6 +1,6 @@
 apiVersion: v1
 name: nextcloud
-version: 1.10.1
+version: 1.11.0
 appVersion: 17.0.0
 description: A file sharing server that puts the control and security of your own data back into your hands.
 keywords:

diff --git a/stable/nextcloud/README.md b/stable/nextcloud/README.md
@@ -144,6 +144,10 @@ The following table lists the configurable parameters of the nextcloud chart and
 | `readinessProbe.timeoutSeconds`                              | When the probe times out                                | `5`                                         |
 | `readinessProbe.failureThreshold`                            | Minimum consecutive failures for the probe              | `3`                                         |
 | `readinessProbe.successThreshold`                            | Minimum consecutive successes for the probe             | `1`                                         |
+| `hpa.enabled`                                                | Boolean to create a HorizontalPodAutoscaler             | `false`                                     |
+| `hpa.cputhreshold`                                           | CPU threshold percent for the HorizontalPodAutoscale    | `60`                                        |
+| `hpa.minPods`                                                | Min. pods for the Nextcloud HorizontalPodAutoscaler     | `1`                                         |
+| `hpa.maxPods`                                                | Max. pods for the Nextcloud HorizontalPodAutoscaler     | `10`                                        |
 | `deploymentAnnotations`                                      | Annotations to be added at 'deployment' level           | not set                                     |
 | `podAnnotations`                                             | Annotations to be added at 'pod' level                  | not set                                     |
 

diff --git a/stable/nextcloud/templates/hpa.yaml b/stable/nextcloud/templates/hpa.yaml
@@ -0,0 +1,19 @@
+{{- if .Values.hpa.enabled -}}
+apiVersion: autoscaling/v1
+kind: HorizontalPodAutoscaler
+metadata:
+  name: {{ template "nextcloud.fullname" . }}
+  labels:
+    app.kubernetes.io/name: {{ include "nextcloud.name" . }}
+    helm.sh/chart: {{ include "nextcloud.chart" . }}
+    app.kubernetes.io/instance: {{ .Release.Name }}
+    app.kubernetes.io/managed-by: {{ .Release.Service }}
+spec:
+  scaleTargetRef:
+    kind: Deployment
+    apiVersion: apps/v1
+    name: {{ template "nextcloud.fullname" . }}
+  minReplicas: {{ .Values.hpa.minPods }}
+  maxReplicas: {{ .Values.hpa.maxPods }}
+  targetCPUUtilizationPercentage: {{ .Values.hpa.cputhreshold }}
+{{- end }}
diff --git a/stable/nextcloud/values.yaml b/stable/nextcloud/values.yaml
@@ -331,6 +331,15 @@ readinessProbe:
   failureThreshold: 3
   successThreshold: 1
 
+## Enable pod autoscaling using HorizontalPodAutoscaler
+## ref: https://kubernetes.io/docs/tasks/run-application/horizontal-pod-autoscale/
+##
+hpa:
+  enabled: false
+  cputhreshold: 60
+  minPods: 1
+  maxPods: 10
+
 nodeSelector: {}
 
 tolerations: []