From 6b78393dc48a1ac36caa682746d3b0c07b171b6a Mon Sep 17 00:00:00 2001
From: xunpan <panpxpx@cn.ibm.com>
Date: Mon, 30 Nov 2020 07:20:04 -0500
Subject: [PATCH] make create-clusters.sh work based on kind document  and
 update KIND_TAG to the latest version

---
 docs/environments/kind.md  | 13 +++++++++++++
 scripts/create-clusters.sh |  2 +-
 scripts/pre-commit.sh      |  2 +-
 3 files changed, 15 insertions(+), 2 deletions(-)

diff --git a/docs/environments/kind.md b/docs/environments/kind.md
index 3e926ff2d1..13fe3bc57d 100644
--- a/docs/environments/kind.md
+++ b/docs/environments/kind.md
@@ -43,6 +43,19 @@ script if you'd like to change the default:
 NUM_CLUSTERS=<num> ./scripts/create-clusters.sh
 ```
 
+The `KIND_TAG` is `v1.19.4@sha256:796d09e217d93bed01ecf8502633e48fd806fe42f9d02fdd468b81cd4e3bd40b` by default.
+Image `kindest/node:v1.19.4@sha256:796d09e217d93bed01ecf8502633e48fd806fe42f9d02fdd468b81cd4e3bd40b` is used as
+node docker image for booting the cluster.
+
+You can use `KIND_IMAGE` or `KIND_TAG` to specify the image as you want.
+```bash
+KIND_TAG=v1.18.8 ./scripts/create-clusters.sh
+```
+
+```bash
+KIND_IMAGE=kindest/node:v1.18.8 ./scripts/create-clusters.sh
+```
+
 ## Delete Clusters
 
 Run the following command to delete `2` `kind` clusters:
diff --git a/scripts/create-clusters.sh b/scripts/create-clusters.sh
index 014ddc2cfb..30a825fcf6 100755
--- a/scripts/create-clusters.sh
+++ b/scripts/create-clusters.sh
@@ -25,7 +25,7 @@ set -o pipefail
 source "${BASH_SOURCE%/*}/util.sh"
 NUM_CLUSTERS="${NUM_CLUSTERS:-2}"
 KIND_IMAGE="${KIND_IMAGE:-}"
-KIND_TAG="${KIND_TAG:-}"
+KIND_TAG="${KIND_TAG:-v1.19.4@sha256:796d09e217d93bed01ecf8502633e48fd806fe42f9d02fdd468b81cd4e3bd40b}"
 OS="$(uname)"
 
 function create-clusters() {
diff --git a/scripts/pre-commit.sh b/scripts/pre-commit.sh
index 899b4dd26e..0632c56701 100755
--- a/scripts/pre-commit.sh
+++ b/scripts/pre-commit.sh
@@ -136,7 +136,7 @@ run-unit-tests
 echo "Downloading e2e test dependencies"
 ./scripts/download-e2e-binaries.sh
 
-KIND_TAG="v1.19.1@sha256:98cf5288864662e37115e362b23e4369c8c4a408f99cbc06e58ac30ddc721600" ./scripts/create-clusters.sh
+KIND_TAG="v1.19.4@sha256:796d09e217d93bed01ecf8502633e48fd806fe42f9d02fdd468b81cd4e3bd40b" ./scripts/create-clusters.sh
 
 declare -a join_cluster_list=() 
 if [[ -z "${JOIN_CLUSTERS}" ]]; then