charts: add support for vertical pod autoscaler

charts/atlas-operator/templates/verticalpodautoscaler.yaml

@@ -0,0 +1,42 @@
+{{- if and (.Capabilities.APIVersions.Has "autoscaling.k8s.io/v1") (.Values.verticalPodAutoscaler.enabled) }}
+apiVersion: autoscaling.k8s.io/v1
+kind: VerticalPodAutoscaler
+metadata:
+  name: {{ include "atlas-operator.fullname" . }}
+  labels:
+    app.kubernetes.io/component: manager
+    app.kubernetes.io/created-by: atlas-operator
+    app.kubernetes.io/part-of: atlas-operator
+    {{- include "atlas-operator.labels" . | nindent 4 }}
+spec:
+  {{- with .Values.verticalPodAutoscaler.recommenders }}
+  recommenders:
+    {{- toYaml . | nindent 4 }}
+  {{- end }}
+  resourcePolicy:
+    containerPolicies:
+    - containerName: manager
+      {{- with .Values.verticalPodAutoscaler.controlledResources }}
+      controlledResources:
+        {{- toYaml . | nindent 8 }}
+      {{- end }}
+      {{- if .Values.verticalPodAutoscaler.controlledValues }}
+      controlledValues: {{ .Values.verticalPodAutoscaler.controlledValues }}
+      {{- end }}
+      {{- if .Values.verticalPodAutoscaler.maxAllowed }}
+      maxAllowed:
+        {{ toYaml .Values.verticalPodAutoscaler.maxAllowed | nindent 8 }}
+      {{- end }}
+      {{- if .Values.verticalPodAutoscaler.minAllowed }}
+      minAllowed:
+        {{ toYaml .Values.verticalPodAutoscaler.minAllowed | nindent 8 }}
+      {{- end }}
+  targetRef:
+    apiVersion: apps/v1
+    kind: Deployment
+    name: {{ include "atlas-operator.fullname" . }}
+  {{- with .Values.verticalPodAutoscaler.updatePolicy }}
+  updatePolicy:
+    {{- toYaml . | nindent 4 }}
+  {{- end }}
+{{- end }}

charts/atlas-operator/values.yaml

@@ -74,3 +74,33 @@ extraVolumeMounts: []
 #     mountPath: /extra-volume
 #     readOnly: true
 
+# Enable vertical pod autoscaler
+verticalPodAutoscaler:
+  enabled: false
+
+  # Recommender responsible for generating recommendation for the object.
+  # List should be empty (then the default recommender will generate the recommendation)
+  # or contain exactly one recommender.
+  # recommenders:
+  # - name: custom-recommender-performance
+
+  # List of resources that the vertical pod autoscaler can control. Defaults to cpu and memory
+  controlledResources: []
+  # Specifies which resource values should be controlled: RequestsOnly or RequestsAndLimits.
+  # controlledValues: RequestsAndLimits
+
+  # Define the max allowed resources for the pod
+  maxAllowed: {}
+  # cpu: 200m
+  # memory: 100Mi
+  # Define the min allowed resources for the pod
+  minAllowed: {}
+  # cpu: 200m
+  # memory: 100Mi
+
+  updatePolicy:
+    # Specifies minimal number of replicas which need to be alive for VPA Updater to attempt pod eviction
+    # minReplicas: 1
+    # Specifies whether recommended updates are applied when a Pod is started and whether recommended updates
+    # are applied during the life of a Pod. Possible values are "Off", "Initial", "Recreate", and "Auto".
+    updateMode: Auto