ansible 安装etcd3集群

使用时，编辑etcd-host.txt，将要部署etcd集群的集群主机名或者IP写入，组名为etcd[etcd]etcd-1etcdname=etcd1etcd-2etcdname=etcd2etcd-3etcdname=etcd3然后执行ansible-playbook-ietcd-host.txtetcdinstall.yml