duplicity_playbooks/tasks/backup_volume.yml

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---
- name: Find hard links
ansible.builtin.command: "find '/mnt/volumes/{{ item }}' -type f -links +1"
register: find_hard_links
# Duplicity does not support hard links
- name: Assert that there is no hard links in /mnt/volumes/{{ item }}
ansible.builtin.assert:
that:
- find_hard_links.stdout | length = 0
msg: "Duplicity does not support hard links."
- name: Backup with duplicity
ansible.builtin.command: "duplicity --num-retries 3 --full-if-older-than 1M --progress --archive-dir {{ ARCHIVE_DIR }} --name {{ item }} --allow-source-mismatch '/mnt/volumes/{{ item }}' swift://{{ lookup('env','BACKUP_WORKFLOW') }}"
environment: "{{ DUPLICITY_ENVIRONMENT }}"
- name: Clean old duplicity backups
ansible.builtin.command: "duplicity remove-older-than 2M --archive-dir {{ ARCHIVE_DIR }} --name {{ item }} --allow-source-mismatch --force swift://{{ lookup('env','BACKUP_WORKFLOW') }}"
environment: "{{ DUPLICITY_ENVIRONMENT }}"