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Add parameters for Kubernetes installation #4872

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Add parameters for Kubernetes installation #4872

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27 changes: 21 additions & 6 deletions templates/k8s.yaml
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Original file line number Diff line number Diff line change
Expand Up @@ -54,9 +54,14 @@ provision:
export DEBIAN_FRONTEND=noninteractive
apt-get update
apt-get install -y apt-transport-https ca-certificates curl
VERSION=$(curl -L -s https://dl.k8s.io/release/stable.txt | sed -e 's/v//' | cut -d'.' -f1-2)
echo "deb [signed-by=/etc/apt/keyrings/kubernetes-apt-keyring.gpg] https://pkgs.k8s.io/core:/stable:/v${VERSION}/deb/ /" | sudo tee /etc/apt/sources.list.d/kubernetes.list
curl -fsSL https://pkgs.k8s.io/core:/stable:/v${VERSION}/deb/Release.key | sudo gpg --dearmor -o /etc/apt/keyrings/kubernetes-apt-keyring.gpg
STABILITY="{{.Param.stability}}"
{{if eq .Param.release "stable" }}
VERSION=$(curl -L -s https://dl.k8s.io/release/stable.txt | cut -d'.' -f1-2)
{{else}}
VERSION="{{.Param.release}}"
{{end}}
echo "deb [signed-by=/etc/apt/keyrings/kubernetes-apt-keyring.gpg] https://pkgs.k8s.io/core:/${STABILITY}:/${VERSION}/deb/ /" | sudo tee /etc/apt/sources.list.d/kubernetes.list
curl -fsSL https://pkgs.k8s.io/core:/${STABILITY}:/${VERSION}/deb/Release.key | sudo gpg --dearmor -o /etc/apt/keyrings/kubernetes-apt-keyring.gpg
apt-get update
apt-get install -y kubelet kubeadm kubectl && apt-mark hold kubelet kubeadm kubectl
systemctl enable --now kubelet
Expand Down Expand Up @@ -93,8 +98,9 @@ provision:
export KUBECONFIG=/etc/kubernetes/admin.conf
{{if not ( and .Param.url .Param.token )}}
systemctl stop kubelet
kubeadm config images list
kubeadm config images pull --cri-socket=unix:///run/containerd/containerd.sock
VERSION="{{.Param.version}}"
kubeadm config images list --kubernetes-version="${VERSION}"
kubeadm config images pull --kubernetes-version="${VERSION}" --cri-socket=unix:///run/containerd/containerd.sock
systemctl start kubelet
# Initializing your control-plane node
cat <<EOF >kubeadm-config.yaml
Expand All @@ -105,6 +111,7 @@ provision:
---
kind: ClusterConfiguration
apiVersion: kubeadm.k8s.io/v1beta4
kubernetesVersion: "${VERSION}"
apiServer:
certSANs: # --apiserver-cert-extra-sans
- "127.0.0.1"
Expand Down Expand Up @@ -134,7 +141,11 @@ provision:

{{if not ( and .Param.url .Param.token )}}
# Installing a Pod network add-on
kubectl apply -f https://github.com/flannel-io/flannel/releases/download/v0.27.4/kube-flannel.yml
{{if eq .Param.flannelVersion "latest" }}
kubectl apply -f https://github.com/flannel-io/flannel/releases/latest/download/kube-flannel.yml
{{else}}
kubectl apply -f https://github.com/flannel-io/flannel/releases/download/{{.Param.flannelVersion}}/kube-flannel.yml
{{end}}
# Control plane node isolation
kubectl taint nodes --all node-role.kubernetes.io/control-plane-
# Symlink the kubeconfig file to the default location for kubectl
Expand Down Expand Up @@ -218,6 +229,10 @@ message: |
------
{{end -}}
param:
release: "stable" # "v1.xx"
stability: "stable" # "prerelease"
version: "stable" # "v1.xx.y"
flannelVersion: "v0.27.4" # "latest"
url: ""
token: ""
discoveryTokenCaCertHash: ""
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