#!/bin/sh

set -x
[ $(id -u) -eq 0 ] || exec sudo $0 $@

/usr/local/bin/k3s-killall.sh

if which systemctl; then
    systemctl disable k3s
    systemctl reset-failed k3s
    systemctl daemon-reload
fi

if which rc-update; then
    rc-update delete k3s default
fi

for unit in /etc/systemd/system/k3s*.service; do
    [ -f "$unit" ] && rm -f "$unit"
done

remove_uninstall() {
    [ -f /usr/local/sbin/k3s-uninstall.sh ] && rm -f /usr/local/sbin/k3s-uninstall.sh
}
trap remove_uninstall EXIT

if (ls /etc/systemd/system/k3s*.service || ls /etc/init.d/k3s*) >/dev/null 2>&1; then
    set +x; echo 'Additional k3s services installed, skipping uninstall of k3s'; set -x
    exit
fi

for cmd in kubectl crictl ctr; do
    if [ -L "{{ k3s_install_dir }}/$cmd" ]; then
        rm -f "{{ k3s_install_dir }}/$cmd"
    fi
done

[ -d /etc/rancher/k3s ] && rm -rf /etc/rancher/k3s
[ -d /var/lib/rancher/k3s ] && rm -rf /var/lib/rancher/k3s
[ -d /var/lib/kubelet ] && rm -rf /var/lib/kubelet
for bin in {{ k3s_install_dir }}/k3s*; do
    [ -f "$bin" ] && rm -f "$bin"
done
[ -f /usr/local/sbin/k3s-killall.sh ] && rm -f /usr/local/sbin/k3s-killall.sh