From a538c1e82ea3244ede613ef3e7a741d064d67eee Mon Sep 17 00:00:00 2001
From: Jing Ai <jinga@google.com>
Date: Wed, 22 Nov 2017 22:12:42 -0800
Subject: [PATCH] Retry on adding secondary ranges to a subnet.

---
 cluster/gce/upgrade-aliases.sh | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/cluster/gce/upgrade-aliases.sh b/cluster/gce/upgrade-aliases.sh
index 6157b2a966a..fc9c1902e96 100755
--- a/cluster/gce/upgrade-aliases.sh
+++ b/cluster/gce/upgrade-aliases.sh
@@ -109,9 +109,12 @@ function add-k8s-subnet-secondary-ranges() {
   fi
 
   echo "Adding secondary ranges: pods-default (${CLUSTER_IP_RANGE}), services-default (${SERVICE_CLUSTER_IP_RANGE})"
-  gcloud alpha compute networks subnets update ${IP_ALIAS_SUBNETWORK} \
+  until gcloud alpha compute networks subnets update ${IP_ALIAS_SUBNETWORK} \
     --project=${PROJECT} --region=${REGION} \
-    --add-secondary-ranges="pods-default=${CLUSTER_IP_RANGE},services-default=${SERVICE_CLUSTER_IP_RANGE}"
+    --add-secondary-ranges="pods-default=${CLUSTER_IP_RANGE},services-default=${SERVICE_CLUSTER_IP_RANGE}"; do
+    printf "."
+    sleep 1
+  done
 }
 
 # Delete all k8s node routes.