增加一键部署aio集群脚本

docs/setup/offline_install.md

@@ -68,7 +68,7 @@ sed -i 's/^INSTALL_SOURCE.*$/INSTALL_SOURCE: "offline"/g' /etc/ansible/roles/pre
 docker exec -it kubeasz easzctl start-aio
 ```
 
-- 多节点集群，进入kubeasz 容器内 `kubectl exec -it kubeasz bash`，参考https://github.com/easzlab/kubeasz/blob/master/docs/setup/00-planning_and_overall_intro.md 进行集群规划和设置后安装
+- 多节点集群，进入kubeasz 容器内 `docker exec -it kubeasz bash`，参考https://github.com/easzlab/kubeasz/blob/master/docs/setup/00-planning_and_overall_intro.md 进行集群规划和设置后安装
 
 ```
 #ansible-playbook 90.setup.yml

tools/start-aio

@@ -0,0 +1,32 @@
+#!/bin/bash
+set -o nounset
+set -o errexit
+#set -o xtrace
+
+function usage() {
+    cat <<EOF
+Usage: start-aio <version>      to start an all-in-one k8s cluster with a specific kubeasz version
+
+EOF
+}
+
+[[ "$#" -eq 1 ]] || { usage >&2; exit 1; }
+
+# tool
+echo "[INFO] get the tool script: easzup"
+if [[ -e /usr/bin/curl ]];then
+  curl -C- -fLO --retry 3 "https://github.com/easzlab/kubeasz/releases/download/$1/easzup" || exit 1
+else
+  wget -c "https://github.com/easzlab/kubeasz/releases/download/$1/easzup" || exit 1
+fi
+
+# download
+echo "[INFO] download everything with easzup"
+chmod +x ./easzup
+./easzup -D
+#./easzup -P
+
+# install
+echo "[INFO] install k8s using a container 'kubeasz'"
+./easzup -S
+docker exec -it kubeasz easzctl start-aio