Created
August 14, 2023 18:36
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Add external kubeadm node to Talos cluster
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| VIP="192.168.100.5" | |
| mkdir -p /etc/kubernetes/pki | |
| talosctl -n "$VIP" cat /etc/kubernetes/kubeconfig-kubelet > /etc/kubernetes/kubelet.conf | |
| talosctl -n "$VIP" cat /etc/kubernetes/bootstrap-kubeconfig > /etc/kubernetes/bootstrap-kubelet.conf | |
| talosctl -n "$VIP" cat /etc/kubernetes/pki/ca.crt > /etc/kubernetes/pki/ca.crt | |
| sed -i "/server:/ s|:.*|: https://${VIP}:6443|g" \ | |
| /etc/kubernetes/kubelet.conf \ | |
| /etc/kubernetes/bootstrap-kubelet.conf | |
| clusterDomain=$(talosctl -n "$VIP" get kubeletconfig -o jsonpath="{.spec.clusterDomain}") | |
| clusterDNS=$(talosctl -n "$VIP" get kubeletconfig -o jsonpath="{.spec.clusterDNS}") | |
| cat > /var/lib/kubelet/config.yaml <<EOT | |
| kind: KubeletConfiguration | |
| apiVersion: kubelet.config.k8s.io/v1beta1 | |
| authentication: | |
| anonymous: | |
| enabled: false | |
| webhook: | |
| enabled: true | |
| x509: | |
| clientCAFile: /etc/kubernetes/pki/ca.crt | |
| authorization: | |
| mode: Webhook | |
| clusterDomain: "$clusterDomain" | |
| clusterDNS: $clusterDNS | |
| runtimeRequestTimeout: "0s" | |
| cgroupDriver: systemd | |
| EOT |
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Thank you for this @kvaps, it saved my day!
Based on this script, and this issue from talos , I've extended this script to make it a bit more convenient. Sharing it in case that someone finds it useful:
Here the usage: