From d968e64de0f5bca758646ea42bff1b3aeed8955d Mon Sep 17 00:00:00 2001
From: Manuel Buil <mbuil@suse.com>
Date: Wed, 14 Jun 2023 11:56:42 +0200
Subject: [PATCH] Add commands to logout from tailscale

Signed-off-by: Manuel Buil <mbuil@suse.com>
---
 install.sh             | 34 +++++++++++++++++++++++-----------
 package/rpm/install.sh | 34 +++++++++++++++++++++++-----------
 2 files changed, 46 insertions(+), 22 deletions(-)

diff --git a/install.sh b/install.sh
index ae917becaba0..e96f474da2f2 100755
--- a/install.sh
+++ b/install.sh
@@ -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
 }
@@ -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
diff --git a/package/rpm/install.sh b/package/rpm/install.sh
index 93b79a1abadf..f53b6c142ff0 100755
--- a/package/rpm/install.sh
+++ b/package/rpm/install.sh
@@ -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
 }
@@ -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