23.backup.yml

# cluster-backup playbook
# read the guide: 'op/cluster_restore.md'

- hosts:
  - etcd
  roles:
  - cluster-backup

- hosts:
  - deploy
  tasks:
  - name: Creating backup dirs
    file: name={{ item }} state=directory
    with_items:
    - "{{ base_dir }}/roles/cluster-backup/files/ca"    
    - "{{ base_dir }}/roles/cluster-backup/files/hosts"   
    - "{{ base_dir }}/roles/cluster-backup/files/snapshot"   

  - name: Backing up CA sth
    copy:
      src: "{{ ca_dir }}/{{ item }}"
      dest: "{{ base_dir }}/roles/cluster-backup/files/ca/{{ item }}"
    with_items:
    - ca.pem
    - ca-key.pem
    - ca.csr
    - ca-csr.json
    - ca-config.json

  - name: Backing up ansible hosts-1
    copy:
      src: "{{ base_dir }}/hosts"
      dest: "{{ base_dir }}/roles/cluster-backup/files/hosts/hosts"
    register: p

  - name: Backing up ansible hosts-2
    shell: "cd {{ base_dir }}/roles/cluster-backup/files/hosts && \
	cp -fp hosts hosts-$(date +'%Y%m%d%H%M')"
    when: 'p is changed'

  - name: Backing up etcd snapshot-1
    copy:
      src: "{{ base_dir }}/roles/cluster-backup/files/snapshot.db"
      dest: "{{ base_dir }}/roles/cluster-backup/files/snapshot/snapshot.db"
    register: q

  - name: Backing up etcd snapshot-2
    shell: "cd {{ base_dir }}/roles/cluster-backup/files/ && \
	mv -f snapshot.db snapshot/snapshot-$(date +'%Y%m%d%H%M').db"
    when: 'q is changed'