kubeasz/roles/cluster-restore/tasks/main.yml

- name: 停止ectd 服务
  service: name=etcd state=stopped

- name: 清除etcd 数据目录
  file: name={{ ETCD_DATA_DIR }}/member state=absent

- name: 清除 etcd 备份目录
  file: name={{ cluster_dir }}/backup/etcd-restore state=absent
  delegate_to: 127.0.0.1 
  run_once: true

- name: etcd 数据恢复
  shell: "cd {{ cluster_dir }}/backup && \
	ETCDCTL_API=3 {{ base_dir }}/bin/etcdctl snapshot restore snapshot.db \
	 --data-dir={{ cluster_dir }}/backup/etcd-restore"
  delegate_to: 127.0.0.1
  run_once: true

- name: 分发恢复文件到 etcd 各个节点
  copy: src={{ cluster_dir }}/backup/etcd-restore/member dest={{ ETCD_DATA_DIR }}

- name: 重启etcd 服务
  service: name=etcd state=restarted

- name: 以轮询的方式等待服务同步完成
  shell: "systemctl is-active etcd.service"
  register: etcd_status
  until: '"active" in etcd_status.stdout'
  retries: 8
  delay: 8