Add helm chart for VPA

Signed-off-by: Omer Aplatony <omerap12@gmail.com>

charts/vertical-pod-autoscaler/.helmignore

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+# Patterns to ignore when building packages.
+# This supports shell glob matching, relative path matching, and
+# negation (prefixed with !). Only one pattern per line.
+.DS_Store
+# Common VCS dirs
+.git/
+.gitignore
+.bzr/
+.bzrignore
+.hg/
+.hgignore
+.svn/
+# Common backup files
+*.swp
+*.bak
+*.tmp
+*.orig
+*~
+# Various IDEs
+.project
+.idea/
+*.tmproj
+.vscode/

charts/vertical-pod-autoscaler/Chart.yaml

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+apiVersion: v2
+name: vertical-pod-autoscaler
+description: Automatically adjust resources for your workloads
+
+# A chart can be either an 'application' or a 'library' chart.
+#
+# Application charts are a collection of templates that can be packaged into versioned archives
+# to be deployed.
+#
+# Library charts provide useful utilities or functions for the chart developer. They're included as
+# a dependency of application charts to inject those utilities and functions into the rendering
+# pipeline. Library charts do not define any templates and therefore cannot be deployed.
+type: application
+
+# This is the chart version. This version number should be incremented each time you make changes
+# to the chart and its templates, including the app version.
+# Versions are expected to follow Semantic Versioning (https://semver.org/)
+version: 0.1.0
+
+# This is the version number of the application being deployed. This version number should be
+# incremented each time you make changes to the application. Versions are not expected to
+# follow Semantic Versioning. They should reflect the version the application is using.
+# It is recommended to use it with quotes.
+appVersion: "1.4.2"

charts/vertical-pod-autoscaler/OWNERS

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+approvers:
+- sig-autoscaling-vpa-approvers
+reviewers:
+- sig-autoscaling-vpa-reviewers
+labels:
+- area/vertical-pod-autoscaler

charts/vertical-pod-autoscaler/templates/_helpers.tpl

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+{{/*
+Chart
+*/}}
+{{- define "vertical-pod-autoscaler.name" -}}
+{{- default .Chart.Name .Values.nameOverride | trunc 63 | trimSuffix "-" }}
+{{- end }}
+
+{{- define "vertical-pod-autoscaler.fullname" -}}
+{{- if .Values.fullnameOverride }}
+{{- .Values.fullnameOverride | trunc 63 | trimSuffix "-" }}
+{{- else }}
+{{- $name := default .Chart.Name .Values.nameOverride }}
+{{- if contains $name .Release.Name }}
+{{- .Release.Name | trunc 63 | trimSuffix "-" }}
+{{- else }}
+{{- printf "%s-%s" .Release.Name $name | trunc 63 | trimSuffix "-" }}
+{{- end }}
+{{- end }}
+{{- end }}
+
+{{- define "vertical-pod-autoscaler.chart" -}}
+{{- printf "%s-%s" .Chart.Name .Chart.Version | replace "+" "_" | trunc 63 | trimSuffix "-" }}
+{{- end }}
+
+{{- define "vertical-pod-autoscaler.labels" -}}
+helm.sh/chart: {{ include "vertical-pod-autoscaler.chart" . }}
+{{ include "vertical-pod-autoscaler.selectorLabels" . }}
+{{- if .Chart.AppVersion }}
+app.kubernetes.io/version: {{ .Chart.AppVersion | quote }}
+{{- end }}
+app.kubernetes.io/managed-by: {{ .Release.Service }}
+{{- with .Values.commonLabels }}
+{{ toYaml . }}
+{{- end }}
+{{- end }}
+
+{{- define "vertical-pod-autoscaler.selectorLabels" -}}
+app.kubernetes.io/name: {{ include "vertical-pod-autoscaler.name" . }}
+app.kubernetes.io/instance: {{ .Release.Name }}
+{{- end }}
+
+
+{{/*
+admissionController
+*/}}
+{{- define "vertical-pod-autoscaler.admissionController.fullname" -}}
+{{ include "vertical-pod-autoscaler.fullname" . }}-admission-controller
+{{- end }}
+
+{{- define "vertical-pod-autoscaler.admissionController.labels" -}}
+{{ include "vertical-pod-autoscaler.labels" . }}
+app.kubernetes.io/component: admission-controller
+app.kubernetes.io/component-instance: {{ .Release.Name }}-admission-controller
+{{- end }}
+
+{{- define "vertical-pod-autoscaler.admissionController.selectorLabels" -}}
+{{ include "vertical-pod-autoscaler.selectorLabels" . }}
+app.kubernetes.io/component: admission-controller
+{{- end }}
+
+{{- define "vertical-pod-autoscaler.admissionController.image" -}}
+{{- printf "%s:%s" .Values.admissionController.image.repository (default .Chart.AppVersion .Values.admissionController.image.tag) }}
+{{- end }}
+

charts/vertical-pod-autoscaler/templates/admission-contoller-serviceaccount.yaml

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+{{- if and (not .Values.recommenderOnly) .Values.admissionController.serviceAccount.create -}}
+apiVersion: v1
+kind: ServiceAccount
+metadata:
+  name: {{ include "vertical-pod-autoscaler.admissionController.fullname" . }}
+  namespace: {{ .Release.Namespace }}
+  labels:
+    {{- include "vertical-pod-autoscaler.admissionController.labels" . | nindent 4 }}
+  {{- with .Values.admissionController.serviceAccount.labels }}
+    {{- toYaml . | nindent 4 }}
+  {{- end }}
+  {{- with .Values.admissionController.serviceAccount.annotations }}
+  annotations:
+    {{- toYaml . | nindent 4 }}
+  {{- end }}
+{{- end -}}

charts/vertical-pod-autoscaler/templates/admission-controller-clusterrole.yaml

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+{{- if and (not .Values.recommenderOnly) .Values.rbac.create -}}
+apiVersion: rbac.authorization.k8s.io/v1
+kind: ClusterRole
+metadata:
+  name: {{ include "vertical-pod-autoscaler.admissionController.fullname" . }}
+  labels:
+    {{- include "vertical-pod-autoscaler.admissionController.labels" . | nindent 4 }}
+rules:
+- apiGroups:
+  - ""
+  resources:
+  - pods
+  - configmaps
+  - nodes
+  - limitranges
+  verbs:
+  - get
+  - list
+  - watch
+- apiGroups:
+  - admissionregistration.k8s.io
+  resources:
+  - mutatingwebhookconfigurations
+  verbs:
+  - create
+  - delete
+  - get
+  - list
+  - patch
+- apiGroups:
+  - poc.autoscaling.k8s.io
+  resources:
+  - verticalpodautoscalers
+  verbs:
+  - get
+  - list
+  - watch
+- apiGroups:
+  - autoscaling.k8s.io
+  resources:
+  - verticalpodautoscalers
+  verbs:
+  - get
+  - list
+  - watch
+- apiGroups:
+  - coordination.k8s.io
+  resources:
+  - leases
+  verbs:
+  - create
+  - update
+  - get
+  - list
+  - watch
+{{- end -}}

charts/vertical-pod-autoscaler/templates/admission-controller-clusterrolebinding.yaml

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+{{- if and (not .Values.recommenderOnly) .Values.rbac.create -}}
+apiVersion: rbac.authorization.k8s.io/v1
+kind: ClusterRoleBinding
+metadata:
+  name: {{ include "vertical-pod-autoscaler.admissionController.fullname" . }}
+  labels:
+    {{- include "vertical-pod-autoscaler.admissionController.labels" . | nindent 4 }}
+roleRef:
+  apiGroup: rbac.authorization.k8s.io
+  kind: ClusterRole
+  name: {{ include "vertical-pod-autoscaler.admissionController.fullname" . }}
+subjects:
+- kind: ServiceAccount
+  name: {{ include "vertical-pod-autoscaler.admissionController.fullname" . }}
+  namespace: {{ .Release.Namespace }}
+{{- end -}}

charts/vertical-pod-autoscaler/templates/admission-controller-deployment.yaml

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+{{- if not .Values.recommenderOnly -}}
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: {{ include "vertical-pod-autoscaler.admissionController.fullname" . }}
+  namespace: {{ .Release.Namespace }}
+  labels:
+    {{- include "vertical-pod-autoscaler.admissionController.labels" . | nindent 4 }}
+spec:
+  replicas: {{ .Values.admissionController.replicas }}
+  {{- with .Values.admissionController.updateStrategy }}
+  strategy:
+    {{- toYaml . | nindent 4 }}
+  {{- end }}
+  selector:
+    matchLabels:
+      {{- include "vertical-pod-autoscaler.admissionController.selectorLabels" . | nindent 6 }}
+  template:
+    metadata:
+      labels:
+        {{- include "vertical-pod-autoscaler.admissionController.selectorLabels" . | nindent 8 }}
+      {{- with .Values.admissionController.podLabels }}
+        {{- toYaml . | nindent 8 }}
+      {{- end }}
+      {{- with .Values.admissionController.podAnnotations }}
+      annotations:
+        {{- toYaml . | nindent 8 }}
+      {{- end }}
+    spec:
+      {{- with .Values.imagePullSecrets }}
+      imagePullSecrets:
+        {{- toYaml . | nindent 8 }}
+      {{- end }}
+      serviceAccountName:  {{ include "vertical-pod-autoscaler.admissionController.fullname" . }}
+      {{- with .Values.admissionController.podSecurityContext }}
+      securityContext:
+        {{- toYaml . | nindent 8 }}
+      {{- end }}
+      containers:
+        - name: admission-controller
+          image: {{ include "vertical-pod-autoscaler.admissionController.image" . }}
+          imagePullPolicy: {{ .Values.admissionController.image.pullPolicy }}
+          env:
+            - name: NAMESPACE
+              valueFrom:
+                fieldRef:
+                  fieldPath: metadata.namespace
+          {{- with .Values.admissionController.extraEnv }}
+            {{- toYaml . | nindent 12 }}
+          {{- end }}
+          args:
+          - --v=4
+          - --stderrthreshold=info
+          - --reload-cert
+          {{- with .Values.admissionController.extraArgs }}
+            {{- toYaml . | nindent 12 }}
+          {{- end }}
+          ports:
+            - containerPort: 8000
+              protocol: TCP
+            - containerPort: 8944
+              name: prometheus
+              protocol: TCP
+          livenessProbe:
+            {{- toYaml .Values.admissionController.livenessProbe | nindent 12 }}
+          readinessProbe:
+            {{- toYaml .Values.admissionController.readinessProbe | nindent 12 }}
+          volumeMounts:
+            {{- toYaml .Values.admissionController.volumeMounts | nindent 12 }}
+          {{- with .Values.admissionController.resources }}
+          resources:
+            {{- toYaml . | nindent 12 }}
+          {{- end }}
+      volumes:
+        {{- toYaml .Values.admissionController.volumes | nindent 12 }}
+{{- end -}}

charts/vertical-pod-autoscaler/templates/admission-controller-service.yaml

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+{{- if not .Values.recommenderOnly -}}
+apiVersion: v1
+kind: Service
+metadata:
+  name: {{ .Values.admissionController.service.name }}
+  namespace: {{ .Release.Namespace }}
+  labels:
+    {{- include "vertical-pod-autoscaler.admissionController.labels" . | nindent 4 }}
+  {{- with .Values.admissionController.service.annotations }}
+  annotations:
+    {{- toYaml . | nindent 4 }}
+  {{- end }}
+spec:
+  type: ClusterIP
+  ports:
+    {{- toYaml .Values.admissionController.service.ports | nindent 4 }}
+  selector:
+    {{- include "vertical-pod-autoscaler.admissionController.selectorLabels" . | nindent 4 }}
+{{- end -}}

charts/vertical-pod-autoscaler/values.yaml

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+# Image pull secrets.
+imagePullSecrets: []
+
+# Override the name of the chart.
+nameOverride:
+
+# Override the full name of the chart.
+fullnameOverride:
+
+# Labels to add to all chart resources.
+commonLabels: {}
+
+rbac:
+  # If `true`, create `ClusterRole` & `ClusterRoleBinding` resources to enable access to the Kubernetes API.
+  create: true
+
+recommenderOnly: false
+
+admissionController:
+  image:
+    # Image repository for the Admission Controller default container.
+    repository: registry.k8s.io/autoscaling/vpa-admission-controller
+    # Image tag for the Admission Controller default container; this will default to `.Chart.AppVersion` if not set
+    tag:
+    # Image pull policy for the Admission Controller default container.
+    pullPolicy: IfNotPresent
+
+  serviceAccount:
+    # If `true`, create a new `ServiceAccount` for the Admission Controller.
+    create: true
+    # Labels to add to the Admission Controller service account.
+    labels: {}
+    # Annotations to add to the Admission Controller service account.
+    annotations: {}
+
+  service:
+    name: vpa-webhook
+    # Annotations to add to the Admission Controller service.
+    annotations: {}
+    ports:
+      - port: 443
+        protocol: TCP
+        targetPort: 8000
+
+  # Number of Admission Controller replicas to create.
+  replicas: 1
+
+  # Labels to add to the Admission Controller pod.
+  podLabels: {}
+
+  # Annotations to add to the Admission Controller pod.
+  podAnnotations: {}
+
+  # Additional environment variables for the Admission Controller default container.
+  extraEnv: []
+
+  # Additional args for the Admission Controller default container.
+  extraArgs: []
+  
+  # Security context for the Admission Controller pod
+  podSecurityContext:
+    runAsNonRoot: true
+    runAsUser: 65534
+
+  # Liveness probe configuration for the Admission Controller default container.
+  livenessProbe:
+    httpGet:
+      path: /health-check
+      port: prometheus
+      scheme: HTTP
+    initialDelaySeconds: 5
+    periodSeconds: 10
+    failureThreshold: 3
+  
+  # Readiness probe configuration for the _Updater_ default container.
+  readinessProbe:
+    httpGet:
+      path: /health-check
+      port: prometheus
+      scheme: HTTP
+    periodSeconds: 10
+    failureThreshold: 3
+
+  # Resources for the Admission Controller default container.
+  resources:
+    limits:
+      cpu: 200m
+      memory: 500Mi
+    requests:
+      cpu: 50m
+      memory: 200Mi
+
+  # Node selector labels for scheduling the Admission Controller.
+  nodeSelector: {}
+
+  volumes:
+    name: tls-certs
+    secret:
+      defaultMode: 420
+      secretName: vpa-tls-certs
+  
+  volumeMounts:
+    - name: tls-certs
+      mountPath: /etc/tls-certs
+      readOnly: true
+