mirror of https://github.com/ceph/ceph-ansible.git
96 lines
3.3 KiB
YAML
96 lines
3.3 KiB
YAML
---
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# Copyright Red Hat
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# SPDX-License-Identifier: Apache-2.0
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#
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# This playbook can help in order to backup some Ceph files and restore them later.
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#
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# Usage:
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#
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# ansible-playbook -i <inventory> backup-and-restore-ceph-files.yml -e backup_dir=<backup directory path> -e mode=<backup|restore> -e target_node=<inventory_name>
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#
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# Required run-time variables
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# ------------------
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# backup_dir : a path where files will be read|write.
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# mode : tell the playbook either to backup or restore files.
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# target_node : the name of the node being processed, it must match the name set in the inventory.
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#
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# Examples
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# --------
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# ansible-playbook -i hosts, backup-and-restore-ceph-files.yml -e backup_dir=/usr/share/ceph-ansible/backup-ceph-files -e mode=backup -e target_node=mon01
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# ansible-playbook -i hosts, backup-and-restore-ceph-files.yml -e backup_dir=/usr/share/ceph-ansible/backup-ceph-files -e mode=restore -e target_node=mon01
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- hosts: localhost
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become: true
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gather_facts: true
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tasks:
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- name: exit playbook, if user did not set the source node
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fail:
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msg: >
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"You must pass the node name: -e target_node=<inventory_name>.
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The name must match what is set in your inventory."
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when: target_node is not defined
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- name: exit playbook, if user did not set the backup directory
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fail:
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msg: >
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"you must pass the backup directory path: -e backup_dir=<backup directory path>"
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when: backup_dir is not defined
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- name: exit playbook, if user did not set the playbook mode (backup|restore)
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fail:
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msg: >
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"you must pass the mode: -e mode=<backup|restore>"
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when:
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- mode is not defined
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- mode not in ['backup', 'restore']
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- name: gather facts on source node
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setup:
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delegate_to: "{{ target_node }}"
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delegate_facts: true
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- name: backup mode
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when: mode == 'backup'
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block:
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- name: find files
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find:
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paths:
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- /etc/ceph
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- /var/lib/ceph
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recurse: yes
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register: file_to_backup
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delegate_to: "{{ target_node }}"
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- name: backup files
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fetch:
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src: "{{ item.path }}"
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dest: "{{ backup_dir }}/{{ hostvars[target_node]['ansible_facts']['hostname'] }}/{{ item.path }}"
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flat: yes
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loop: "{{ file_to_backup.files }}"
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delegate_to: "{{ target_node }}"
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- name: preserve mode
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file:
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path: "{{ backup_dir }}/{{ hostvars[target_node]['ansible_facts']['hostname'] }}/{{ item.path }}"
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mode: "{{ item.mode }}"
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owner: "{{ item.uid }}"
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group: "{{ item.gid }}"
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loop: "{{ file_to_backup.files }}"
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- name: restore mode
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when: mode == 'restore'
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block:
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- name: get a list of files to be restored
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find:
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paths:
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- "{{ backup_dir }}/{{ hostvars[target_node]['ansible_facts']['hostname'] }}"
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recurse: yes
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register: file_to_restore
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- name: restore files
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copy:
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src: "{{ item.path }}"
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dest: "{{ item.path | replace(backup_dir + '/' + hostvars[target_node]['ansible_facts']['hostname'], '') }}"
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mode: preserve
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loop: "{{ file_to_restore.files }}"
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delegate_to: "{{ target_node }}" |