From 599ecfbd4c71de5f71663b1cadf2700b31a84ec2 Mon Sep 17 00:00:00 2001
From: TommyLike <tommylikehu@gmail.com>
Date: Tue, 20 Jun 2017 11:32:25 +0800
Subject: [PATCH] Download etcd3 only zip file not exists

Give a change to manually prepare the zip file
for etcd.

Change-Id: I54283cf2ed62bb716af34df21e8c168014264c8c
---
 lib/etcd3 | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/lib/etcd3 b/lib/etcd3
index ea58403b24..0e1fbd5bc2 100644
--- a/lib/etcd3
+++ b/lib/etcd3
@@ -115,7 +115,9 @@ function install_etcd3 {
     # Download and cache the etcd tgz for subsequent use
     if [ ! -f "$FILES/etcd-$ETCD_VERSION-linux-$ETCD_ARCH/etcd" ]; then
         ETCD_DOWNLOAD_FILE=$ETCD_NAME.tar.gz
-        wget $ETCD_DOWNLOAD_URL/$ETCD_VERSION/$ETCD_DOWNLOAD_FILE -O $FILES/$ETCD_DOWNLOAD_FILE
+        if [ ! -f "$FILES/$ETCD_DOWNLOAD_FILE" ]; then
+            wget $ETCD_DOWNLOAD_URL/$ETCD_VERSION/$ETCD_DOWNLOAD_FILE -O $FILES/$ETCD_DOWNLOAD_FILE
+        fi
         echo "${ETCD_SHA256} $FILES/${ETCD_DOWNLOAD_FILE}" > $FILES/etcd.sha256sum
         # NOTE(sdague): this should go fatal if this fails
         sha256sum -c $FILES/etcd.sha256sum