+#!/bin/bash -ex
+##############################################################################
+# Copyright (c) 2019 Huawei Tech and others.
+#
+# All rights reserved. This program and the accompanying materials
+# are made available under the terms of the Apache License, Version 2.0
+# which accompanies this distribution, and is available at
+# http://www.apache.org/licenses/LICENSE-2.0
+##############################################################################
+
+# constants
+
+TESTYAML="testk8s-nginx.yaml"
+SUPERUSER="root"
+value=$(whoami)
+
+# start
+
+# kubeedge reset internally undo the things done by ./kubeedge init
+
+if [ -d "/root/go/src/github.com/kubeedge/kubeedge/keadm" ]; then
+ cd /root/go/src/github.com/kubeedge/kubeedge/keadm
+ ./kubeedge reset
+fi
+
+# delete the previously existing certificates
+
+if [ -d "/etc/kubeedge/ca" ]; then
+ sudo rm -rf /etc/kubeedge/ca
+fi
+
+if [ -d "/etc/kubeedge/certs" ]; then
+ cd /etc/kubeedge
+ sudo rm -rf certs
+fi
+
+cd /etc/kubeedge
+if [ -f "certs.tgz" ]; then
+ sudo rm certs.tgz
+fi
+
+# delete the kubeedge code
+
+if [ -d "/root/go/src" ]; then
+ cd /root/go
+ sudo rm -rf src
+fi
+
+# stop binaries edge_core edgecontroller
+
+cd /usr/local/bin
+
+if [ -f "edge_core" ]; then
+ sudo rm edge_core
+fi
+
+if [ -f "edgecontroller" ]; then
+ sudo rm edgecontroller
+fi
+
+if [ $value != $SUPERUSER ]; then
+ sudo su
+fi
+
+cd
+
+if [ -f $TESTYAML ]; then
+ sudo rm $TESTYAML
+fi
+