From 01c24b59d08ccb9a1044073b7f81bbfba21824b0 Mon Sep 17 00:00:00 2001
From: Manjunath A Kumatagi <mkumatag@in.ibm.com>
Date: Tue, 7 Aug 2018 20:39:09 +0530
Subject: [PATCH] Add a check for docker version to push fat manifest images

---
 test/images/image-util.sh | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/test/images/image-util.sh b/test/images/image-util.sh
index fdd0f0105b6..c3888d2d627 100755
--- a/test/images/image-util.sh
+++ b/test/images/image-util.sh
@@ -92,8 +92,17 @@ build() {
   done
 }
 
+docker_version_check() {
+  docker_version=$(docker version --format '{{.Client.Version}}' | cut -d"-" -f1)
+  if [[ ${docker_version} != 18.06.0 && ${docker_version} < 18.06.0 ]]; then
+    echo "Minimum docker version 18.06.0 is required for creating and pushing manifest images[found: ${docker_version}]"
+    exit 1
+  fi
+}
+
 # This function will push the docker images
 push() {
+  docker_version_check
   TAG=$(<${IMAGE}/VERSION)
   if [[ -f ${IMAGE}/BASEIMAGE ]]; then
     archs=$(listArchs)