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cluster-config-old/infra/STEPS.md

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Additional manual steps

Cluster Setup

# new first server node
curl -sfL https://get.k3s.io | K3S_TOKEN=<shared-token> sh -s - server \
	--cluster-init \
    --cluster-cidr="10.243.0.0/16" \
	--flannel-backend=wireguard-native \
	--write-kubeconfig-mode=644 \
    --disable local-storage \
    --node-name="$(hostname -f)" \
    --kube-controller-manager-arg="bind-address=0.0.0.0" \
    --kube-proxy-arg="metrics-bind-address=0.0.0.0" \
    --kube-scheduler-arg="bind-address=0.0.0.0" 

# second server node
curl -sfL https://get.k3s.io | K3S_TOKEN=<shared-token> sh -s - server \
	--server https://<server-ip>:6443 \
    --cluster-cidr="10.243.0.0/16" \
	--flannel-backend=wireguard-native \
	--write-kubeconfig-mode=644 \
    --disable local-storage \
    --node-name="$(hostname -f)" \
    --kube-controller-manager-arg="bind-address=0.0.0.0" \
    --kube-proxy-arg="metrics-bind-address=0.0.0.0" \
    --kube-scheduler-arg="bind-address=0.0.0.0"

Longhorn Storage

On all nodes install open-iscsi.

helm repo add longhorn https://charts.longhorn.io
helm repo update
helm install longhorn longhorn/longhorn --namespace longhorn-system --create-namespace --version 1.5.1

Prometheus / Grafana

https://grafana.com/blog/2023/01/19/how-to-monitor-kubernetes-clusters-with-the-prometheus-operator/

kubectl apply -f https://raw.githubusercontent.com/prometheus-operator/prometheus-operator/main/bundle.yaml --force-conflicts=true --server-side=true