https://www.cnblogs.com/heaven-xi/p/10420087.html
[python@heaven-00 0130]$ cat test20.yml
---
- hosts: local
tasks:
- name: mkdir document /root/test
file:
path: /root/test
state: directory
owner: root
mode: "755"
- name: jiluyi
shell: echo "1" >> /root/a.txt
delegate_to: ansible-04
- name: toush file
file:
path: /root/test/{{ ansible_hostname }}
state: touch
mode: "755"
owner: root
| # cluster-backup playbook | |
| # read the guide: ‘op/cluster_restore.md‘ | |
| - hosts: | |
| - localhost | |
| tasks: | |
| # step1: find a healthy member in the etcd cluster | |
| - name: set NODE_IPS of the etcd cluster | |
| set_fact: NODE_IPS="{% for host in groups[‘etcd‘] %}{{ host }} {% endfor %}" | |
| - name: get etcd cluster status | |
| shell: ‘for ip in {{ NODE_IPS }};do \ | |
| ETCDCTL_API=3 {{ base_dir }}/bin/etcdctl \ | |
| --endpoints=https://"$ip":2379 \ | |
| --cacert={{ cluster_dir }}/ssl/ca.pem \ | |
| --cert={{ cluster_dir }}/ssl/etcd.pem \ | |
| --key={{ cluster_dir }}/ssl/etcd-key.pem \ | |
| endpoint health; \ | |
| done‘ | |
| register: ETCD_CLUSTER_STATUS | |
| ignore_errors: true | |
| - debug: var="ETCD_CLUSTER_STATUS" | |
| - name: get a running ectd node | |
| shell: ‘echo -e "{{ ETCD_CLUSTER_STATUS.stdout }}" \ | |
| "{{ ETCD_CLUSTER_STATUS.stderr }}" \ | |
| |grep "is healthy"|sed -n "1p"|cut -d: -f2|cut -d/ -f3‘ | |
| register: RUNNING_NODE | |
| - debug: var="RUNNING_NODE.stdout" | |
| - name: get current time | |
| shell: "date +‘%Y%m%d%H%M‘" | |
| register: timestamp | |
| # step2: backup data on the healthy member | |
| - name: make a backup on the etcd node | |
| shell: "mkdir -p /etcd_backup && cd /etcd_backup && \ | |
| ETCDCTL_API=3 {{ bin_dir }}/etcdctl snapshot save snapshot_{{ timestamp.stdout }}.db" | |
| args: | |
| warn: false | |
| delegate_to: "{{ RUNNING_NODE.stdout }}" | |
| - name: fetch the backup data | |
| fetch: | |
| src: /etcd_backup/snapshot_{{ timestamp.stdout }}.db | |
| dest: "{{ cluster_dir }}/backup/" | |
| flat: yes | |
| delegate_to: "{{ RUNNING_NODE.stdout }}" | |
| - name: update the latest backup | |
| shell: ‘cd {{ cluster_dir }}/backup/ && /bin/cp -f snapshot_{{ timestamp.stdout }}.db snapshot.db‘ |