mirror of https://github.com/ceph/ceph-ansible.git
110 lines
3.8 KiB
YAML
110 lines
3.8 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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- name: Backup and restore Ceph files
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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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ansible.builtin.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:
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- target_node is not defined
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or target_node not in groups.get('all', [])
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- name: Exit playbook, if user did not set the backup directory
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ansible.builtin.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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ansible.builtin.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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or mode not in ['backup', 'restore']
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- name: Gather facts on source node
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ansible.builtin.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: Create a temp directory
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ansible.builtin.tempfile:
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state: directory
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suffix: ansible-archive-ceph
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register: tmp_dir
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delegate_to: "{{ target_node }}"
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- name: Archive files
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community.general.archive:
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path: "{{ item }}"
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dest: "{{ tmp_dir.path }}/backup{{ item | replace('/', '-') }}.tar"
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format: tar
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mode: "0644"
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delegate_to: "{{ target_node }}"
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loop:
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- /etc/ceph
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- /var/lib/ceph
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- name: Create backup directory
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become: false
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ansible.builtin.file:
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path: "{{ backup_dir }}/{{ hostvars[target_node]['ansible_facts']['hostname'] }}"
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state: directory
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mode: "0755"
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- name: Backup files
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ansible.builtin.fetch:
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src: "{{ tmp_dir.path }}/backup{{ item | replace('/', '-') }}.tar"
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dest: "{{ backup_dir }}/{{ hostvars[target_node]['ansible_facts']['hostname'] }}/backup{{ item | replace('/', '-') }}.tar"
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flat: true
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loop:
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- /etc/ceph
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- /var/lib/ceph
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delegate_to: "{{ target_node }}"
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- name: Remove temp directory
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ansible.builtin.file:
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path: "{{ tmp_dir.path }}"
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state: absent
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delegate_to: "{{ target_node }}"
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- name: Restore mode
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when: mode == 'restore'
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block:
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- name: Unarchive files
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ansible.builtin.unarchive:
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src: "{{ backup_dir }}/{{ hostvars[target_node]['ansible_facts']['hostname'] }}/backup{{ item | replace('/', '-') }}.tar"
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dest: "{{ item | dirname }}"
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loop:
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- /etc/ceph
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- /var/lib/ceph
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delegate_to: "{{ target_node }}"
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