ansible/ansible_role_restic
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Adds backup script to execute manual Backup

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Matthias Leutenegger 2019-08-14 16:00:22 +02:00
parent fc5ef9190e
commit 6721b67d46
3 changed files with 83 additions and 1 deletions
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10
README.md
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@ -80,12 +80,20 @@ Available variables:
| Name | Required | Description |
| ---------------- |:-----------------------------:| ----------------------------------------------------------------------------------------------------------------------- |
| `name` | yes | The name of this backup. Used together with pruning and needs to be unique. |
| `repo` | yes | The name of the repository to backup to. |
| `src` | yes | The source directory or file |
| `stdin` | no | Is this backup created from a [stdin](https://restic.readthedocs.io/en/stable/040_backup.html#reading-data-from-stdin)? |
| `stdin_cmd` | no (yes if `stdin` == `true`) | The command to produce the stdin. |
| `stdin_filename` | no | The filename used in the repository. |
| `tags` | no | Array of default tags |
| `keep-last` | no | If set, only keeps the last n snapshots. |
| `keep_last` | no | If set, only keeps the last n snapshots. |
| `keep_hourly` | no | If set, only keeps the last n hourly snapshots. |
| `keep_daily` | no | If set, only keeps the last n daily snapshots. |
| `keep_weekly ` | no | If set, only keeps the last n weekly snapshots. |
| `keep_monthly` | no | If set, only keeps the last n monthly snapshots. |
| `keep_yearly ` | no | If set, only keeps the last n yearly snapshots. |
| `keep_within` | no | If set, only keeps snapshots in this time period. |
| `keep_tag` | no | If set, keep snapshots with this tags. |
## Dependencies
none

14
tasks/configure.yml
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@ -14,3 +14,17 @@
when:
- item.value.init is defined
- item.value.init == true
- name: Create backup script
template:
src: restic_script.j2
dest: '{{ restic_script_dir }}/backup-{{ item.name }}.sh'
mode: '0700'
owner: '{{ restic_dir_owner }}'
group: '{{ restic_dir_group }}'
no_log: True
with_items: '{{ restic_backups }}'
when:
- item.name is defined
- item.src is defined or item.stdin is defined and item.stdin == true and item.stdin_cmd is defined
- item.repo in restic_repos

60
templates/restic_script.j2 Normal file
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@ -0,0 +1,60 @@
# {{ ansible_managed }}
# Backup script for {{ item.src|default('stdin') }}
# Use this file to create a Backup and prune existing data.
set -euxo pipefail
export RESTIC_REPOSITORY={{ restic_repos[item.repo].location }}
export RESTIC_PASSWORD={{ restic_repos[item.repo].password }}
BACKUP_NAME={{ item.name }}
{% if item.src is defined %}
BACKUP_SOURCE={{ item.src }}
{% endif %}
{#
Define Tags
#}
{% macro tags(tags) -%}
{% if tags is defined %}{% for tag in tags %} --tag {{ tag }}{% endfor %}{% endif %}
{%- endmacro %}
{#
Define Hostname
#}
{% macro hostname(h) -%}
{% if h is defined %} --hostname {{ h }}{% endif %}
{%- endmacro %}
{#
Define stdin filename
#}
{% macro stdin_filename(n) -%}
{% if n is defined %} --stdin-filename {{ n }}{% endif %}
{%- endmacro %}
{#
Define path
#}
{% macro path(repo) -%}
{% if repo.src is defined %}{{ repo.src }}{% else %}$HOME/{{ repo.stdin_filename }}{% endif %}
{%- endmacro %}
{#
Define retention pattern
#}
{% macro retention_pattern(repo) -%}
{% if repo.keep_last is defined %}--keep-last {{ item.keep_last }}{% endif %} \
{% if repo.keep_hourly is defined %}--keep-hourly {{ item.keep_hourly }}{% endif %} \
{% if repo.keep_daily is defined %}--keep-daily {{ item.keep_daily }}{% endif %} \
{% if repo.keep_weekly is defined %}--keep-weekly {{ item.keep_weekly }}{% endif %} \
{% if repo.keep_monthly is defined %}--keep-monthly {{ item.keep_monthly }}{% endif %} \
{% if repo.keep_yearly is defined %}--keep-yearly {{ item.keep_yearly }}{% endif %} \
{% if repo.keep_within is defined %}--keep-within {{ item.keep_within }}{% endif %} \
{% if repo.keep_tag is defined %}--keep-tag {{ item.keep_tag }}{% endif %}
{%- endmacro %}
{#
Define backup commands
#}
{% if item.stdin is defined and item.stdin == true %}
{{ item.stdin_cmd }} | {{ restic_install_path }}/restic backup --stdin --tag manual {{ tags(item.tags) }} {{ stdin_filename(item.stdin_filename) }} $@
{% else %}
{{ restic_install_path }}/restic backup $BACKUP_SOURCE --tag manual {{ tags(item.tags) }} $@
{% endif %}
{#
Define stdin forget commands
#}
{{ restic_install_path }}/restic forget --prune --tag manual --path {{ path(item) }} {{ retention_pattern(item) }}