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

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#!/bin/sh
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[ $(id -u) -eq 0 ] || exec sudo $0 $@
for bin in /var/lib/rancher/k3s/data/**/bin/; do
[ -d "$bin" ] && export PATH=$bin:$PATH
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done
set -x
for service in /etc/systemd/system/k3s*.service; do
[ -s "$service" ] && systemctl stop "$(basename $service)"
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done
for service in /etc/init.d/k3s*; do
[ -x "$service" ] && "$service" stop
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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
}
getshims() {
lsof | sed -e 's/^[^0-9]*//g; s/ */\t/g' | grep -w 'k3s/data/[^/]*/bin/containerd-shim' | cut -f1 | sort -n -u
}
killtree $({ set +x; } 2>/dev/null; getshims; set -x)
do_unmount() {
{ set +x; } 2>/dev/null
MOUNTS=
while read ignore mount ignore; do
MOUNTS="$mount\n$MOUNTS"
done </proc/self/mounts
MOUNTS=$(printf $MOUNTS | grep "^$1" | sort -r)
if [ -n "${MOUNTS}" ]; then
set -x
umount ${MOUNTS}
else
set -x
fi
}
do_unmount '/run/k3s'
do_unmount '/var/lib/rancher/k3s'
do_unmount '/var/lib/kubelet/pods'
do_unmount '/run/netns/cni-'
# Delete network interface(s) that match 'master cni0'
ip link show 2>/dev/null | grep 'master cni0' | while read ignore iface ignore; do
iface=${iface%%@*}
[ -z "$iface" ] || ip link delete $iface
done
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ip link delete cni0
ip link delete flannel.1
[ -d /var/lib/cni ] && rm -rf /var/lib/cni/
iptables-save | grep -v KUBE- | grep -v CNI- | iptables-restore