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feat(bootstrap): add cluster api cluster chart (#834)
Signed-off-by: David van der Spek <[email protected]>
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‎.github/workflows/cluster-chart-unit-test.yml‎

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name: cluster-chart-unit-test
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on:
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push:
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branches: [ main ]
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paths:
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- 'bootstrap/helm/cluster-api-cluster/**'
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pull_request:
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branches: [ main ]
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paths:
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- 'bootstrap/helm/cluster-api-cluster/**'
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jobs:
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helm-unit-test:
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runs-on: ubuntu-latest
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permissions:
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contents: 'read'
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steps:
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- name: Checkout
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uses: actions/checkout@v3
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- name: install helm
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uses: azure/setup-helm@v3
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with:
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version: v3.12.3
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- name: install helm unit test
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run: helm plugin install https://github.com/helm-unittest/helm-unittest.git
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- name: run helm unit test
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run: helm unittest ./bootstrap/helm/cluster-api-cluster

‎bootstrap/helm/cluster-api-cluster/.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/
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tests/

‎bootstrap/helm/cluster-api-cluster/Chart.yaml‎

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apiVersion: v2
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name: cluster-api-cluster
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description: A Helm chart for Kubernetes
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type: application
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version: 0.1.42
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appVersion: v1.24.16

‎bootstrap/helm/cluster-api-cluster/README.md‎

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# Cluster API Cluster
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A helm chart that deploys a cluster using the Cluster-API project

‎bootstrap/helm/cluster-api-cluster/deps.yaml‎

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apiVersion: plural.sh/v1alpha1
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kind: Dependencies
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metadata:
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application: true
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description: installs a cluster using cluster-api
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spec:
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dependencies: []

‎bootstrap/helm/cluster-api-cluster/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 "cluster-api-cluster.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 "cluster-api-cluster.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 "cluster-api-cluster.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 "cluster-api-cluster.labels" -}}
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helm.sh/chart: {{ include "cluster-api-cluster.chart" . }}
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{{ include "cluster-api-cluster.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 "cluster-api-cluster.selectorLabels" -}}
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app.kubernetes.io/name: {{ include "cluster-api-cluster.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 "cluster-api-cluster.serviceAccountName" -}}
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{{- if .Values.serviceAccount.create }}
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{{- default (include "cluster-api-cluster.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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Creates the Kubernetes version for the cluster
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# TODO: this should actually be used to sanatize the `.Values.cluster.kubernetesVersion` value to what the providers support instead of defining these static versions
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*/}}
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{{- define "cluster.kubernetesVersion" -}}
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{{- if .Values.cluster.kubernetesVersion -}}
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{{ .Values.cluster.kubernetesVersion }}
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{{- else if eq .Values.provider "aws" -}}
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v1.24
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{{- else if eq .Values.provider "azure" -}}
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v1.25.11
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{{- else if and (eq .Values.provider "gcp") (eq .Values.type "managed") -}}
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1.24.16
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{{- else if eq .Values.provider "kind" -}}
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v1.25.11
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{{- end }}
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{{- end }}
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{{/*
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Create the kind for the infrastructureRef for the cluster
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*/}}
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{{- define "cluster.infrastructure.kind" -}}
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{{- if and (eq .Values.provider "aws") (eq .Values.type "managed") -}}
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AWSManagedCluster
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{{- end }}
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{{- if and (eq .Values.provider "azure") (eq .Values.type "managed") -}}
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AzureManagedCluster
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{{- end }}
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{{- if and (eq .Values.provider "gcp") (eq .Values.type "managed") -}}
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GCPManagedCluster
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{{- end }}
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{{- if and (eq .Values.provider "kind") (eq .Values.type "managed") -}}
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DockerCluster
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{{- end }}
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{{- end }}
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{{/*
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Create the apiVersion for the infrastructureRef for the cluster
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*/}}
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{{- define "cluster.infrastructure.apiVersion" -}}
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{{- if and (eq .Values.provider "aws") (eq .Values.type "managed") -}}
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infrastructure.cluster.x-k8s.io/v1beta2
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{{- end }}
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{{- if and (eq .Values.provider "azure") (eq .Values.type "managed") -}}
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infrastructure.cluster.x-k8s.io/v1beta1
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{{- end }}
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{{- if and (eq .Values.provider "gcp") (eq .Values.type "managed") -}}
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infrastructure.cluster.x-k8s.io/v1beta1
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{{- end }}
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{{- if and (eq .Values.provider "kind") (eq .Values.type "managed") -}}
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infrastructure.cluster.x-k8s.io/v1beta1
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{{- end }}
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{{- end }}
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{{/*
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Create the kind for the controlPlaneRef for the cluster
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*/}}
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{{- define "cluster.controlPlane.kind" -}}
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{{- if and (eq .Values.provider "aws") (eq .Values.type "managed") -}}
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AWSManagedControlPlane
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{{- end }}
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{{- if and (eq .Values.provider "azure") (eq .Values.type "managed") -}}
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AzureManagedControlPlane
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{{- end }}
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{{- if and (eq .Values.provider "gcp") (eq .Values.type "managed") -}}
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GCPManagedControlPlane
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{{- end }}
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{{- if and (eq .Values.provider "kind") (eq .Values.type "managed") -}}
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KubeadmControlPlane
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{{- end }}
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{{- end }}
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{{/*
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Create the apiVersion for the controlPlaneRef for the cluster
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*/}}
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{{- define "cluster.controlPlane.apiVersion" -}}
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{{- if and (eq .Values.provider "aws") (eq .Values.type "managed") -}}
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controlplane.cluster.x-k8s.io/v1beta2
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{{- end }}
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{{- if and (eq .Values.provider "azure") (eq .Values.type "managed") -}}
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infrastructure.cluster.x-k8s.io/v1beta1
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{{- end }}
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{{- if and (eq .Values.provider "gcp") (eq .Values.type "managed") -}}
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infrastructure.cluster.x-k8s.io/v1beta1
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{{- end }}
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{{- if and (eq .Values.provider "kind") (eq .Values.type "managed") -}}
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controlplane.cluster.x-k8s.io/v1beta1
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{{- end }}
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{{- end }}
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{{/*
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Create the kind for the infrastructureRef for the worker MachinePools
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*/}}
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{{- define "workers.infrastructure.kind" -}}
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{{- if and (eq .Values.provider "aws") (eq .Values.type "managed") -}}
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AWSManagedMachinePool
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{{- end }}
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{{- if and (eq .Values.provider "azure") (eq .Values.type "managed") -}}
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AzureManagedMachinePool
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{{- end }}
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{{- if and (eq .Values.provider "gcp") (eq .Values.type "managed") -}}
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GCPManagedMachinePool
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{{- end }}
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{{- if and (eq .Values.provider "kind") (eq .Values.type "managed") -}}
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DockerMachinePool
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{{- end }}
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{{- end }}
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{{/*
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Create the apiVersion for the infrastructureRef for the worker MachinePools
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*/}}
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{{- define "workers.infrastructure.apiVersion" -}}
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{{- if and (eq .Values.provider "aws") (eq .Values.type "managed") -}}
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infrastructure.cluster.x-k8s.io/v1beta2
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{{- end }}
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{{- if and (eq .Values.provider "azure") (eq .Values.type "managed") -}}
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infrastructure.cluster.x-k8s.io/v1beta1
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{{- end }}
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{{- if and (eq .Values.provider "gcp") (eq .Values.type "managed") -}}
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infrastructure.cluster.x-k8s.io/v1beta1
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{{- end }}
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{{- if and (eq .Values.provider "kind") (eq .Values.type "managed") -}}
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infrastructure.cluster.x-k8s.io/v1beta1
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{{- end }}
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{{- end }}
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{{/*
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Create the configRef for the worker MachinePools
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*/}}
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{{- define "workers.configref" -}}
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{{- if and (eq .Values.provider "kind") (eq .Values.type "managed") -}}
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configRef:
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apiVersion: bootstrap.cluster.x-k8s.io/v1beta1
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kind: KubeadmConfig
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name: worker-mp-config
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{{- end }}
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{{- end }}
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{{/*
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Create a MachinePool for the given values
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ctx = . context
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name = the name of the MachinePool resource
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values = the values for this specific MachinePool resource
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defaultVals = the default values for the MachinePool resource
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*/}}
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{{- define "workers.machinePool" -}}
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{{- $replicas := (.values | default dict).replicas | default .defaultVals.replicas }}
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apiVersion: cluster.x-k8s.io/v1beta1
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kind: MachinePool
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metadata:
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name: {{ .name }}
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annotations:
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helm.sh/resource-policy: keep
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spec:
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clusterName: {{ .ctx.Values.cluster.name }}
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replicas: {{ $replicas }}
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template:
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spec:
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{{- if or (eq .ctx.Values.provider "gcp") (eq .ctx.Values.provider "azure") (eq .ctx.Values.provider "kind") }}
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version: {{ .values.kubernetesVersion | default (include "cluster.kubernetesVersion" .ctx) | quote }}
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{{- end }}
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clusterName: {{ .ctx.Values.cluster.name }}
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bootstrap:
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{{- if or (eq .ctx.Values.provider "gcp") (eq .ctx.Values.provider "azure") (eq .ctx.Values.provider "aws") }}
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dataSecretName: ""
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{{- end }}
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{{- if eq .ctx.Values.provider "kind" }}
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{{- include "workers.configref" .ctx | nindent 8 }}
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{{- end }}
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infrastructureRef:
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name: {{ .name }}
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apiVersion: {{ include "workers.infrastructure.apiVersion" .ctx }}
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kind: {{ include "workers.infrastructure.kind" .ctx }}
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{{- end }}

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