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Add commands to remove advertised routes of tailscale in k3s-killall.sh #7777

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merged 1 commit into from
Jun 14, 2023
Merged

Add commands to remove advertised routes of tailscale in k3s-killall.sh #7777

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34 changes: 23 additions & 11 deletions install.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -739,6 +739,27 @@ killtree() {
) 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
}
Expand All @@ -762,17 +783,8 @@ 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

# 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
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
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
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34 changes: 23 additions & 11 deletions package/rpm/install.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -543,6 +543,27 @@ killtree() {
) 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

# Remove advertised routes in 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
}
Expand All @@ -558,17 +579,8 @@ 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
ip link delete cni0
ip link delete flannel.1
ip link delete flannel-v6.1
ip link delete flannel-wg
ip link delete flannel-wg-v6
ip link delete kube-ipvs0
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
Expand Down