From 795f9a931a447d9d66bdca0f600d49ad85489f68 Mon Sep 17 00:00:00 2001
From: t3mi <t3mi@users.noreply.github.com>
Date: Thu, 10 Aug 2023 17:11:47 +0000
Subject: [PATCH] feat: add vpa support

Signed-off-by: t3mi <t3mi@users.noreply.github.com>
---
 .../templates/verticalpodautoscaler.yaml      | 42 +++++++++++++++++++
 snyk-monitor/values.yaml                      | 32 ++++++++++++++
 2 files changed, 74 insertions(+)
 create mode 100644 snyk-monitor/templates/verticalpodautoscaler.yaml

diff --git a/snyk-monitor/templates/verticalpodautoscaler.yaml b/snyk-monitor/templates/verticalpodautoscaler.yaml
new file mode 100644
index 000000000..23040b826
--- /dev/null
+++ b/snyk-monitor/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 "snyk-monitor.name" . }}
+  labels:
+    app.kubernetes.io/name: {{ include "snyk-monitor.name" . }}
+    helm.sh/chart: {{ include "snyk-monitor.chart" . }}
+    app.kubernetes.io/instance: {{ .Release.Name }}
+    app.kubernetes.io/managed-by: {{ .Release.Service }}
+spec:
+  {{- with .Values.verticalPodAutoscaler.recommenders }}
+  recommenders:
+    {{- toYaml . | nindent 4 }}
+  {{- end }}
+  resourcePolicy:
+    containerPolicies:
+    - containerName: {{ include "snyk-monitor.name" . }}
+      {{- 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 "snyk-monitor.name" . }}
+  {{- with .Values.verticalPodAutoscaler.updatePolicy }}
+  updatePolicy:
+    {{- toYaml . | nindent 4 }}
+  {{- end }}
+{{- end }}
diff --git a/snyk-monitor/values.yaml b/snyk-monitor/values.yaml
index 991f3413e..4f4e899f6 100644
--- a/snyk-monitor/values.yaml
+++ b/snyk-monitor/values.yaml
@@ -180,3 +180,35 @@ extraInitContainers: []
 #  - name: wait-for-condition
 #    image: "{{ .Values.initContainerImage.repository }}:{{ .Values.initContainerImage.tag }}"
 #    command: ['sh', '-c', 'sleep 10 || :']
+
+# Enable vertical pod autoscaler support
+# https://github.com/kubernetes/autoscaler/tree/master/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: 1
+  # memory: 2Gi
+  # Define the min allowed resources for the pod
+  minAllowed: {}
+  # cpu: 250m
+  # memory: 400Mi
+
+  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
\ No newline at end of file