mrcharles
a71a12ad61
Framework enforcement layer adopted; shellcheck clean; real kubeconfigs gitignored (example only in repo). Provenance: PFVCluster/k8s. https://projects.knownelement.com/issues/699#note-4536
53 lines
1.6 KiB
Bash
53 lines
1.6 KiB
Bash
#!/usr/bin/bash
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#
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# k8s/wipe.sh — remove existing k3s from all cnodes
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#
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# The current install on cnode1/2 uses LAN IP (192.168.3.x). We need to
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# rebuild with Tailscale IPs. This cluster has only system pods (16h old,
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# no user workloads), so a clean wipe is safe.
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#
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set -uo pipefail
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SCRIPT_DIR="$(cd "$(dirname "$0")" && pwd)"
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# shellcheck source=./env.sh
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source "$SCRIPT_DIR/env.sh"
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echo "============================================"
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echo " Wiping existing k3s from all cnodes"
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echo "============================================"
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for ip in "${ALL_CNODES[@]}"; do
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echo ""
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echo "--- $ip ---"
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cn "$ip" '
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# Stop services first
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systemctl stop k3s 2>/dev/null || true
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systemctl stop k3s-agent 2>/dev/null || true
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# Server uninstall (also removes agents)
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if [ -x /usr/local/bin/k3s-uninstall.sh ]; then
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/usr/local/bin/k3s-uninstall.sh
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elif [ -x /usr/local/bin/k3s-agent-uninstall.sh ]; then
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/usr/local/bin/k3s-agent-uninstall.sh
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else
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echo "no k3s installed on this node"
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fi
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# Clean up residual state
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rm -rf /etc/rancher/k3s /var/lib/rancher/k3s /var/lib/kubelet /var/lib/cni
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rm -f /etc/systemd/system/k3s.service /etc/systemd/system/k3s-agent.service
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systemctl daemon-reload
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# Clean network interfaces left by k3s/flannel
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ip link delete cni0 2>/dev/null || true
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ip link delete flannel.1 2>/dev/null || true
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ip link delete kube-ipvs0 2>/dev/null || true
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echo "WIPE DONE"
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'
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done
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echo ""
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echo "============================================"
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echo " Wipe complete. Ready for bootstrap."
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echo "============================================"
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