make scaleway based k8s nodes reachable

1 files changed, 10 insertions, 0 deletions

diff --git a/roles/kubernetes-net/templates/ifupdown.sh.j2 b/roles/kubernetes-net/templates/ifupdown.sh.j2
index eef1b22f..701128f3 100644
--- a/roles/kubernetes-net/templates/ifupdown.sh.j2
+++ b/roles/kubernetes-net/templates/ifupdown.sh.j2
@@ -19,6 +19,11 @@ TUN_IP_CIDR="{{ kubernetes.pod_ip_range | ipsubnet(kubernetes.pod_ip_range_size,
 
 case "$1" in
   up)
+{% if external_ip is defined %}
+    # add external-ip to loopback interface so kubelet will accept this as --node-ip
+    ip addr add dev lo {{ external_ip }}/32
+
+{% endif %}
     # bring up bridge for local pods
     ip link add dev "$BR_IF" type bridge
     ip addr add dev "$BR_IF" "$BR_IP_CIDR"
@@ -41,6 +46,11 @@ case "$1" in
     # bring down bridge for local pods
     iptables -t nat -D POSTROUTING -s "$BR_NET_CIDR" -o "$INET_IF" -j MASQUERADE
     ip link del dev "$BR_IF"
+{% if external_ip is defined %}
+
+    # remove external-ip from loopback interface
+    ip addr del dev lo {{ external_ip }}/32
+{% endif %}
     ;;
   *)
     echo "usage: $0 (up|down)"