From 31ae200ebf31659975ea1cbdee75dc7e1b08b54d Mon Sep 17 00:00:00 2001
From: Samuel Davidson <samueldavidson@google.com>
Date: Mon, 22 Jun 2020 13:33:42 -0700
Subject: [PATCH] fix for missing kube-env var in SNI config

---
 cluster/gce/gci/configure-kubeapiserver.sh | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/cluster/gce/gci/configure-kubeapiserver.sh b/cluster/gce/gci/configure-kubeapiserver.sh
index 7b4e10631e8..cfb8ec6f663 100644
--- a/cluster/gce/gci/configure-kubeapiserver.sh
+++ b/cluster/gce/gci/configure-kubeapiserver.sh
@@ -87,6 +87,9 @@ function start-kube-apiserver {
     if [[ -n "${OLD_LOAD_BALANCER_IP:-}" ]]; then
       old_ips+=",${OLD_LOAD_BALANCER_IP}"
     fi
+    if [[ -n "${OLD_PRIVATE_VIP:-}" ]]; then
+      old_ips+=",${OLD_PRIVATE_VIP}"
+    fi
     params+=" --tls-sni-cert-key=${OLD_MASTER_CERT_PATH},${OLD_MASTER_KEY_PATH}:${old_ips}"
   fi
   params+=" --kubelet-preferred-address-types=InternalIP,ExternalIP,Hostname"