From 6d53ae1cd01ffadd539a1e3ee418872068a13006 Mon Sep 17 00:00:00 2001
From: Bingshen Wang <bingshen.wbs@alibaba-inc.com>
Date: Tue, 26 Oct 2021 10:17:07 +0800
Subject: [PATCH] fix add empty route error

fix #3
---
 scripts/up.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/scripts/up.sh b/scripts/up.sh
index b30de12..7dc8eaf 100755
--- a/scripts/up.sh
+++ b/scripts/up.sh
@@ -50,7 +50,7 @@ function pod_cidrs() {
 
 function add_routes() {
   unset IFS
-  routes=$(kubectl --kubeconfig ${2} get nodes -o jsonpath='{range .items[*]}ip route add {.spec.podCIDR} via {.status.addresses[?(.type=="InternalIP")].address}{"\n"}')
+  routes=$(kubectl --kubeconfig ${2} get nodes -o jsonpath='{range .items[*]}ip route add {.spec.podCIDR} via {.status.addresses[?(.type=="InternalIP")].address}{"\n"}' | grep -v -E '^ip route add *via *$')
   echo "Connecting cluster ${1} to ${2}"
 
   IFS=$'\n'