backup

1---
2# Back up one data path outside /docker, hot (tags: <name>, data).
3# Only the path's own excludes apply - never the global /docker patterns.
4
5- name: "{{ dp.name }} - Reset per-path state"
6  ansible.builtin.set_fact:
7    _dp_summary: {}
8    _dp_error: ""
9
10- name: "{{ dp.name }} - Check the path"
11  ansible.builtin.stat:
12    path: "{{ dp.path }}"
13  register: _dp_stat
14
15- name: "{{ dp.name }} - restic backup of {{ dp.path }}"
16  when: _dp_stat.stat.exists and _dp_stat.stat.isdir
17  block:
18    - name: "{{ dp.name }} - restic backup"
19      ansible.builtin.command:
20        argv: >-
21          {{ [backup_restic_bin, 'backup', '--json', '--quiet',
22              '--host', inventory_hostname, '--tag', dp.name, '--tag', 'data',
23              '--one-file-system', '--exclude-caches', '--exclude-if-present', '.nobackup']
24             + ((dp.excludes | default([])) | map('regex_replace', '^', '--exclude=') | list)
25             + restic_backup_args
26             + [dp.path] }}
27      environment:
28        RESTIC_REPOSITORY: "{{ restic_repo }}"
29        RESTIC_PASSWORD: "{{ restic_password }}"
30      register: _dp_backup
31      changed_when: true
32
33    - name: "{{ dp.name }} - Record the result"
34      ansible.builtin.set_fact:
35        _dp_summary: >-
36          {{ (_dp_backup.stdout_lines | select('search', '"message_type":"summary"') | list | last | default('{}')) | from_json }}
37        _dp_error: ""
38
39  rescue:
40    - name: "{{ dp.name }} - Record the failure"
41      ansible.builtin.set_fact:
42        _dp_summary: {}
43        _dp_error: >-
44          {{ (ansible_failed_result.stderr | default(ansible_failed_result.msg | default('unknown error')))
45             | regex_replace('rest:[^ ]*', 'rest:<repo>') | truncate(300) }}
46
47- name: "{{ dp.name }} - Add to the results"
48  ansible.builtin.set_fact:
49    backup_results: >-
50      {{ backup_results + [{
51           'name': dp.name, 'kind': 'data',
52           'status': 'failed' if (_dp_error | default('') or not (_dp_stat.stat.exists | default(false))) else 'ok',
53           'error': _dp_error | default('') if _dp_stat.stat.exists | default(false) else ('path missing: ' ~ dp.path),
54           'snapshot': (_dp_summary | default({})).snapshot_id | default(''),
55           'added_bytes': (_dp_summary | default({})).data_added | default(0),
56           'processed_bytes': (_dp_summary | default({})).total_bytes_processed | default(0),
57           'files': (_dp_summary | default({})).total_files_processed | default(0),
58           'seconds': ((_dp_summary | default({})).total_duration | default(0)) | round(1),
59           'stopped': [] }] }}
60