Random_Ansible_Stuff/playbooks/roles/docker_backup/tasks/main.yml

55 lines
1.6 KiB
YAML

---
- name: Ensure backup rules contains the necessary fields
ansible.builtin.fail:
msg: "You must define {{ item }} in the backup ruleset"
when: not backup_rules[item] is defined
loop:
- container_name
- directories_to_backup
- backup_dir
- backup_name_prefix
- max_backups_kept
- name: Stop the running container
community.docker.docker_container:
name: "{{ backup_rules.container_name }}"
state: stopped
- name: Archive necessary directories
community.general.archive:
path: "{{ backup_rules.directories_to_backup }}"
dest: >-
{{ backup_rules.backup_dir }}/{{ backup_rules.backup_name_prefix }}_
{{ now().strftime("%Y%m%d%H%M%S") }}.tar.gz
format: gz
async: 3600
poll: 60
- name: Start the stopped container
community.docker.docker_container:
name: "{{ backup_rules.container_name }}"
state: started
- name: Find all files that start with the backup_name_prefix
ansible.builtin.find:
paths: "{{ backup_rules.backup_dir }}"
patterns: "{{ backup_rules.backup_name_prefix }}*"
register: all_backup_files
- name: If too many backups kept
when: all_backup_files.files | length > backup_rules.max_backups_kept
block:
- name: Get the oldest file paths
ansible.builtin.set_fact:
oldest_file_paths: >-
{{ (all_backup_files.files | sort(attribute='mtime'))[:all_backup_files.files | length - backup_rules.max_backups_kept] |
map(attribute=path) | list }}
- name: Remove the files
ansible.builtin.file:
path: "{{ item }}"
state: absent
loop: "{{ oldest_file_paths }}"