From a8d9a82df18c78b5ab244761e2861f6d023d6887 Mon Sep 17 00:00:00 2001
From: "wu.chunyang" <wuchunyang@yovole.com>
Date: Thu, 14 Jul 2022 22:03:35 +0800
Subject: Add a check before executing ip replace

sometimes, ROUTER_GW_IP or IPV4_ADDRS_SAFE_TO_USE
may not defined in localrc, we add a check before
executing ip replace command.

Change-Id: I48ca40cc2259e21b8a8f0a9fa763746c30f0e8ab
---
 devstack/plugin.sh | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/devstack/plugin.sh b/devstack/plugin.sh
index 01800907..2b34158e 100644
--- a/devstack/plugin.sh
+++ b/devstack/plugin.sh
@@ -538,7 +538,9 @@ function config_trove_network {
     if [[ "$shared" == "False" ]]; then
         openstack network set ${PRIVATE_NETWORK_NAME} --share
     fi
-    sudo ip route replace ${IPV4_ADDRS_SAFE_TO_USE} via $ROUTER_GW_IP
+    if [[ -n ${ROUTER_GW_IP} && -n ${IPV4_ADDRS_SAFE_TO_USE} ]]; then
+        sudo ip route replace ${IPV4_ADDRS_SAFE_TO_USE} via $ROUTER_GW_IP
+    fi
 
     # Make sure we can reach the management port of the service VM, this
     # configuration is only for testing purpose. In production, it's
-- 
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