ansible-role-k3s/templates/k3s-killall.sh.j2

92 lines
2.3 KiB
Django/Jinja

#!/bin/sh
[ $(id -u) -eq 0 ] || exec sudo $0 $@
for bin in {{ k3s_runtime_config['data-dir'] | default(k3s_data_dir) }}/data/**/bin/; do
[ -d $bin ] && export PATH=$PATH:$bin:$bin/aux
done
set -x
for service in {{ k3s_systemd_unit_dir }}/k3s*.service; do
[ -s $service ] && systemctl stop $(basename $service)
done
for service in /etc/init.d/k3s*; do
[ -x $service ] && $service stop
done
pschildren() {
ps -e -o ppid= -o pid= | \
sed -e 's/^\s*//g; s/\s\s*/\t/g;' | \
grep -w "^$1" | \
cut -f2
}
pstree() {
for pid in $@; do
echo $pid
for child in $(pschildren $pid); do
pstree $child
done
done
}
killtree() {
kill -9 $(
{ set +x; } 2>/dev/null;
pstree $@;
set -x;
) 2>/dev/null
}
remove_interfaces() {
# Delete network interface(s) that match 'master cni0'
ip link show 2>/dev/null | grep 'master cni0' | while read ignore iface ignore; do
iface=${iface%%@*}
[ -z "$iface" ] || ip link delete $iface
done
# Delete cni related interfaces
ip link delete cni0
ip link delete flannel.1
ip link delete flannel-v6.1
ip link delete kube-ipvs0
ip link delete flannel-wg
ip link delete flannel-wg-v6
# Restart tailscale
if [ -n "$(command -v tailscale)" ]; then
tailscale set --advertise-routes=
fi
}
getshims() {
ps -e -o pid= -o args= | sed -e 's/^ *//; s/\s\s*/\t/;' | grep -w 'k3s/data/[^/]*/bin/containerd-shim' | cut -f1
}
killtree $({ set +x; } 2>/dev/null; getshims; set -x)
do_unmount_and_remove() {
set +x
while read -r _ path _; do
case "$path" in $1*) echo "$path" ;; esac
done < /proc/self/mounts | sort -r | xargs -r -t -n 1 sh -c 'umount -f "$0" && rm -rf "$0"'
set -x
}
do_unmount_and_remove '/run/k3s'
do_unmount_and_remove '{{ k3s_runtime_config['data-dir'] | default(k3s_data_dir) }}'
do_unmount_and_remove '/var/lib/kubelet/pods'
do_unmount_and_remove '/var/lib/kubelet/plugins'
do_unmount_and_remove '/run/netns/cni-'
# Remove CNI namespaces
ip netns show 2>/dev/null | grep cni- | xargs -r -t -n 1 ip netns delete
remove_interfaces
rm -rf /var/lib/cni/
iptables-save | grep -v KUBE- | grep -v CNI- | grep -iv flannel | iptables-restore
ip6tables-save | grep -v KUBE- | grep -v CNI- | grep -iv flannel | ip6tables-restore