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-1 etcdname=etcd1 etcd-2 etcdname=etcd2 etcd-3 etcdname=etcd3 然后执行 ansible-playbook -i etcd-host.txt etcdinstall.yml