diff --git a/tools/create-user/README.md b/tools/create-user/README.md
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+# 在kubernetes中创建用户并授予用户namespace的admin权限
+
+使用`create-user.sh`脚本创建namespace和用户（同名），并将该namespace的admin权限授予该用户。
+
+## 使用前提
+
+使用该脚本需要满足以下前提：
+
+- 所有的证书文件都在`/etc/kubernetes/ssl`目录下
+- 执行该脚本的主机可以访问kubernetes集群，并用于最高管理员权限
+
+## 使用方式
+
+```bash
+./create-user.sh <api_server> <username>
+```
+
+最后生成了`$username.kubeconfig`文件。
+
+## 参考
+
+[创建用户认证授权的kubeconfig文件](../../guide/kubectl-user-authentication-authorization.md)
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diff --git a/tools/create-user/create-user.sh b/tools/create-user/create-user.sh
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+#!/bin/bash
+# 每个对应一个namespace，用户名和namespace名称相同
+# 注意修改KUBE_APISERVER为你的API Server的地址
+KUBE_APISERVER=$1
+USER=$2
+USAGE="USAGE: create-user.sh <api_server> <username>\n
+Example: https://172.22.1.1:6443 brand"
+CSR=`pwd`/user-csr.json
+SSL_PATH="/etc/kubernetes/ssl"
+SSL_FILES=(ca-key.pem ca.pem ca-config.json)
+CERT_FILES=(${USER}.csr $USER-key.pem ${USER}.pem)
+
+if [[ $KUBE_APISERVER == "" ]]; then
+   echo -e $USAGE
+   exit 1
+fi
+if [[ $USER == "" ]];then
+    echo -e $USAGE
+    exit 1
+fi
+
+# 创建用户的csr文件
+function createCSR(){
+cat>$CSR<<EOF
+{
+  "CN": "USER",
+  "hosts": [],
+  "key": {
+    "algo": "rsa",
+    "size": 2048
+  },
+  "names": [
+    {
+      "C": "CN",
+      "ST": "BeiJing",
+      "L": "BeiJing",
+      "O": "k8s",
+      "OU": "System"
+    }
+  ]
+}
+EOF
+# 替换csr文件中的用户名
+sed -i "s/USER/$USER/g" $CSR
+}
+
+function ifExist(){
+if [ ! -f "$SSL_PATH/$1" ]; then
+    echo "$SSL_PATH/$1 not found."
+    exit 1
+fi
+}
+
+# 判断证书文件是否存在
+for f in ${SSL_FILES[@]};
+do
+    echo "Check if ssl file $f exist..."
+    ifExist $f
+    echo "OK"
+done
+
+echo "Create CSR file..."
+createCSR
+echo "$CSR created"
+echo "Create user's certificates and keys..."
+cd $SSL_PATH
+cfssl gencert -ca=ca.pem -ca-key=ca-key.pem -config=ca-config.json -profile=kubernetes $CSR| cfssljson -bare $USER
+cd -
+
+# 设置集群参数
+kubectl config set-cluster kubernetes \
+--certificate-authority=${SSL_PATH}/ca.pem \
+--embed-certs=true \
+--server=${KUBE_APISERVER} \
+--kubeconfig=${USER}.kubeconfig
+
+# 设置客户端认证参数
+kubectl config set-credentials $USER \
+--client-certificate=$SSL_PATH/${USER}.pem \
+--client-key=$SSL_PATH/${USER}-key.pem \
+--embed-certs=true \
+--kubeconfig=${USER}.kubeconfig
+
+# 设置上下文参数
+kubectl config set-context kubernetes \
+--cluster=kubernetes \
+--user=$USER \
+--namespace=$USER \
+--kubeconfig=${USER}.kubeconfig
+
+# 设置默认上下文
+kubectl config use-context kubernetes --kubeconfig=${USER}.kubeconfig
+
+# 创建 namespace
+kubectl create ns $USER
+
+# 绑定角色
+kubectl create rolebinding ${USER}-admin-binding --clusterrole=admin --user=$USER --namespace=$USER
+
+kubectl config get-contexts
+
+echo "Congratulations!"
+echo "Your kubeconfig file is ${USER}.kubeconfig"