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mark.lynch
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‎charts/node-specific-sizing/.helmignore‎

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

‎charts/node-specific-sizing/Chart.yaml‎

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apiVersion: v2
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name: node-specific-sizing
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description: A Helm chart for Kubernetes
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type: application
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version: 0.1.0
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appVersion: "1.16.0"

‎charts/node-specific-sizing/templates/_helpers.tpl‎

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{{/*
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Expand the name of the chart.
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*/}}
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{{- define "node-specific-sizing.name" -}}
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{{- default .Chart.Name .Values.nameOverride | trunc 63 | trimSuffix "-" }}
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{{- end }}
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{{/*
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Create a default fully qualified app name.
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We truncate at 63 chars because some Kubernetes name fields are limited to this (by the DNS naming spec).
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If release name contains chart name it will be used as a full name.
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*/}}
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{{- define "node-specific-sizing.fullname" -}}
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{{- if .Values.fullnameOverride }}
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{{- .Values.fullnameOverride | trunc 63 | trimSuffix "-" }}
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{{- else }}
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{{- $name := default .Chart.Name .Values.nameOverride }}
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{{- if contains $name .Release.Name }}
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{{- .Release.Name | trunc 63 | trimSuffix "-" }}
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{{- else }}
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{{- printf "%s-%s" .Release.Name $name | trunc 63 | trimSuffix "-" }}
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{{- end }}
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{{- end }}
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{{- end }}
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{{/*
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Create chart name and version as used by the chart label.
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*/}}
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{{- define "node-specific-sizing.chart" -}}
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{{- printf "%s-%s" .Chart.Name .Chart.Version | replace "+" "_" | trunc 63 | trimSuffix "-" }}
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{{- end }}
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{{/*
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Common labels
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*/}}
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{{- define "node-specific-sizing.labels" -}}
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helm.sh/chart: {{ include "node-specific-sizing.chart" . }}
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{{ include "node-specific-sizing.selectorLabels" . }}
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{{- if .Chart.AppVersion }}
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app.kubernetes.io/version: {{ .Chart.AppVersion | quote }}
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{{- end }}
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app.kubernetes.io/managed-by: {{ .Release.Service }}
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{{- end }}
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{{/*
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Selector labels
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*/}}
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{{- define "node-specific-sizing.selectorLabels" -}}
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app.kubernetes.io/name: {{ include "node-specific-sizing.name" . }}
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app.kubernetes.io/instance: {{ .Release.Name }}
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{{- end }}
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{{/*
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Create the name of the service account to use
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*/}}
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{{- define "node-specific-sizing.serviceAccountName" -}}
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{{- if .Values.serviceAccount.create }}
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{{- default (include "node-specific-sizing.fullname" .) .Values.serviceAccount.name }}
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{{- else }}
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{{- default "default" .Values.serviceAccount.name }}
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{{- end }}
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{{- end }}
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{{/*
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Allow the release namespace to be overridden for multi-namespace deployments in combined charts
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*/}}
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{{- define "node-specific-sizing.namespace" -}}
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{{- if .Values.namespaceOverride }}
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{{- .Values.namespaceOverride }}
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{{- else }}
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{{- .Release.Namespace }}
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{{- end }}
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{{- end }}
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{{/*
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Selector labels
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*/}}
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{{- define "node-specific-sizing.selectorLabels" -}}
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app.kubernetes.io/name: {{ include "node-specific-sizing.name" . }}
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app.kubernetes.io/instance: {{ .Release.Name }}
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{{- end }}

‎charts/node-specific-sizing/templates/_pod.tpl‎

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{{- define "node-specific-sizing.pod" -}}
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serviceAccountName: {{ include "node-specific-sizing.serviceAccountName" . }}
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terminationGracePeriodSeconds: 10
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containers:
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- name: {{ .Chart.Name }}
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image: {{ .Values.image.registry }}/{{ .Values.image.tag }}@sha256:{{ .Values.image.sha256 }}
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imagePullPolicy: {{ .Values.image.pullPolicy }}
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env:
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- name: POD_NAMESPACE
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valueFrom:
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fieldRef:
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fieldPath: metadata.namespace
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volumeMounts:
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- mountPath: /tmp/k8s-webhook-server/serving-certs
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name: cert
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readOnly: true
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securityContext:
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runAsNonRoot: true
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volumes:
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- name: cert
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secret:
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defaultMode: 420
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secretName: node-specific-sizing-cert
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{{- end }}

‎charts/node-specific-sizing/templates/clusterrole.yaml‎

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{{- if and .Values.rbac.create (or (not .Values.rbac.namespaced) .Values.rbac.extraClusterRoleRules) (not .Values.rbac.useExistingClusterRole) }}
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apiVersion: rbac.authorization.k8s.io/v1
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kind: ClusterRole
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metadata:
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labels:
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{{ - include "node-specific-sizing.labels" . | nindent 4 }}
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{{- with .Values.annotations }}
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annotations:
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{{- toYaml . | nindent 4 }}
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{{- end }}
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name: {{ include "node-specific-sizing.fullname" . }}
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rules:
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- apiGroups:
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- ""
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resources:
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- nodes
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verbs:
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- get
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- list
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- watch
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{{- with .Values.rbac.extraClusterRoleRules }}
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{{- toYaml . | nindent 2 }}
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{{- end}}
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{{- end }}

‎charts/node-specific-sizing/templates/clusterrolebinding.yaml‎

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{{- if and .Values.rbac.create (or (not .Values.rbac.namespaced) .Values.rbac.extraClusterRoleRules) }}
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apiVersion: rbac.authorization.k8s.io/v1
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kind: ClusterRoleBinding
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metadata:
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name: {{ include "node-specific-sizing.fullname" . }}
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labels:
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{{ - include "node-specific-sizing.labels" . | nindent 4 }}
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{{- with .Values.annotations }}
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annotations:
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{{- toYaml . | nindent 4 }}
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{{- end }}
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roleRef:
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apiGroup: rbac.authorization.k8s.io
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kind: ClusterRole
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{{- if .Values.rbac.useExistingClusterRole }}
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name: {{ .Values.rbac.useExistingClusterRole }}
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{{- else }}
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name: {{ include "node-specific-sizing.fullname" . }}
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{{- end }}
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subjects:
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- kind: ServiceAccount
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name: {{ include "node-specific-sizing.serviceAccountName" . }}
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namespace: {{ include "node-specific-sizing.namespace" . }}
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{{- end }}

‎charts/node-specific-sizing/templates/deployment.yaml‎

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apiVersion: apps/v1
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kind: Deployment
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metadata:
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name: {{ include "node-specific-sizing.fullname" . }}
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labels:
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{{- include "node-specific-sizing.labels" . | nindent 4 }}
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{{- if .Values.deployment.annotations }}
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annotations:
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{{- toYaml .Values.deployment.annotations | nindent 4 }}
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spec:
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replicas: {{ .Values.deployment.replicas }}
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selector:
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matchLabels:
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app: {{- include "node-specific-sizing.selectorLabels" . | nindent 6 }}
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template:
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metadata:
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labels:
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{{- include "node-specific-sizing.labels" . | nindent 4 }}
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spec:
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{{- include "node-specific-sizing.pod" . | nindent 6 }}
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‎charts/node-specific-sizing/templates/mutatingadmissionwebhook.yaml‎

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kind: MutatingWebhookConfiguration
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apiVersion: admissionregistration.k8s.io/v1
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metadata:
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name: {{ include "node-specific-sizing.fullname" . }}
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annotations:
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cert-manager.io/inject-ca-from: kube-system/{{ include "node-specific-sizing.fullname" . }}
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webhooks:
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- name: {{ include "node-specific-sizing.fullname" . }}.svc.cluster.local
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objectSelector:
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matchLabels:
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node-specific-sizing.manomano.tech/enabled: "true"
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admissionReviewVersions: [ "v1" ]
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sideEffects: None
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failurePolicy: Ignore
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timeoutSeconds: 1
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clientConfig:
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service:
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namespace: kube-system
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name: {{ include "node-specific-sizing.fullname" . }}
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path: /mutate
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rules:
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- apiGroups: [""]
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apiVersions: ["v1"]
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resources: ["pods"]
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operations: ["CREATE"]
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scope: Namespaced
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‎charts/node-specific-sizing/templates/service.yaml‎

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{{- if .Values.service.enabled }}
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apiVersion: v1
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kind: Service
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metadata:
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name: {{ include "node-specific-sizing.fullname" . }}
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namespace: {{ include "node-specific-sizing.namespace" . }}
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labels:
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{{- include "node-specific-sizing.labels" . | nindent 4 }}
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spec:
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{{- if (or (eq .Values.service.type "ClusterIP") (empty .Values.service.type)) }}
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type: ClusterIP
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{{- with .Values.service.clusterIP }}
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clusterIP: {{ . }}
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{{- end }}
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{{- else if eq .Values.service.type "LoadBalancer" }}
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type: LoadBalancer
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{{- with .Values.service.loadBalancerIP }}
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loadBalancerIP: {{ . }}
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{{- end }}
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{{- with .Values.service.loadBalancerClass }}
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loadBalancerClass: {{ . }}
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{{- end }}
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{{- with .Values.service.loadBalancerSourceRanges }}
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loadBalancerSourceRanges:
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{{- toYaml . | nindent 4 }}
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{{- end }}
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{{- else }}
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type: {{ .Values.service.type }}
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{{- end }}
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ports:
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- port: {{ .Values.service.port }}
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targetPort: {{ .Values.service.targetPort }}
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protocol: TCP
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name: {{ .Values.service.portName }}
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selector:
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{{- include "node-specific-sizing.selectorLabels" . | nindent 4 }}
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{{- end }}

‎charts/node-specific-sizing/templates/serviceaccount.yaml‎

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{{- if .Values.serviceAccount.create -}}
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apiVersion: v1
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kind: ServiceAccount
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automountServiceAccountToken: {{ .Values.serviceAccount.autoMount }}
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metadata:
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name: {{ include "node-specific-sizing.serviceAccountName" . }}
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labels:
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{{- include "node-specific-sizing.labels" . | nindent 4 }}
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{{- with .Values.serviceAccount.labels }}
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{{- toYaml . | nindent 4 }}
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{{- end }}
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{{- with .Values.serviceAccount.annotations }}
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annotations:
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{{- toYaml . | nindent 4 }}
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{{- end }}
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{{- end }}

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