#!/usr/bin/env bash
# {{ ansible_managed }}
# This file is to cleanup your backup archive and move some snapshots to a external storage.
{% for repo in restic_archiver__repos %}

{#
  define macro:
  how fast should we delete snapshots?

  Variables are defined via defaults!
#}
{% macro retention_pattern(repo) -%}
  {% if repo.keep_last is defined and repo.keep_last != None -%}
      --keep-last {{ repo.keep_last }}
    {%- else -%}
      --keep-last {{ restic_archiver__keep }}
    {%- endif %} \
  {% if repo.keep_hourly is defined and repo.keep_hourly != None -%}
      --keep-hourly {{ repo.keep_hourly }}
    {%- else -%}
      --keep-hourly {{ restic_archiver__keep_hourly }}
    {%- endif %} \
  {% if repo.keep_daily is defined and repo.keep_daily != None -%}
      --keep-daily {{ repo.keep_daily }}
    {%- else -%}
      --keep-daily {{ restic_archiver__keep_daily }}
    {%- endif %} \
  {% if repo.keep_weekly is defined and repo.keep_weekly != None -%}
      --keep-weekly {{ repo.keep_weekly }}
    {%- else -%}
      --keep-weekly {{ restic_archiver__keep_weekly }}
    {%- endif %} \
  {% if repo.keep_monthly is defined and repo.keep_monthly != None -%}
      --keep-monthly {{ repo.keep_monthly }}
    {%- else -%}
      --keep-monthly {{ restic_archiver__keep_monthly }}
      {%- endif %} \
  {% if repo.keep_yearly is defined and repo.keep_yearly != None -%}
      --keep-yearly {{ repo.keep_yearly }}
    {%- else -%}
      --keep-yearly {{ restic_archiver__keep_yearly }}
    {%- endif -%}
  {% if repo.keep_within is defined and repo.keep_within != None %} \
    --keep-within {{ repo.keep_within }} {% endif -%}
  {%- if repo.prune|default(false) %} \
  --prune {% endif %}
{%- endmacro %}

{% if restic_archiver__mount_required %}
if mountpoint -q {{ restic_archiver__mount_disk }}
then
   echo "{{ restic_archiver__mount_disk }} is mounted"
else
   mount -a
fi
{% endif %}
set -euxo pipefail

# Settings for Server {{ repo['name'] | string }}
export RESTIC_REPOSITORY="{{ repo['location'] }}"
export RESTIC_PASSWORD='{{ repo['password'] | regex_replace('\'', '\'\\\'\'') }}' 2>/dev/null
BACKUP_NAME="{{ repo.name }}"

restic forget {{ retention_pattern(repo) }}

restic check

{% if repo.archive|default(false) %}
# ARCHIVE Settings for Server "{{ repo['name'] | string }}"
export RESTIC_REPOSITORY="{{ repo['archive_location'] }}"
export RESTIC_PASSWORD='{{ repo['archive_password'] | regex_replace('\'', '\'\\\'\'') }}' 2>/dev/null
export RESTIC_REPOSITORY2="{{ repo['location'] }}"
export RESTIC_PASSWORD2='{{ repo['password'] | regex_replace('\'', '\'\\\'\'') }}' 2>/dev/null
BACKUP_NAME="{{ repo.name }}_archive"

# init repo if it does not exist
if ([ -z "$(restic cat config)" ]) 2>/dev/null; then
  restic init --copy-chunker-params
fi

{% if restic_archiver__mount_required %}
set +euxo pipefail
if mountpoint -q {{ restic_archiver__mount_disk }}
then
   echo "{{ restic_archiver__mount_disk }} is mounted"
else
   mount -a
fi
set -euxo pipefail
{% endif %}
# ARCHIVE Settings for Server "{{ repo['name'] | string }}"
export RESTIC_REPOSITORY2="{{ repo['archive_location'] }}"
export RESTIC_PASSWORD2='{{ repo['archive_password'] | regex_replace('\'', '\'\\\'\'') }}' 2>/dev/null
export RESTIC_REPOSITORY="{{ repo['location'] }}"
export RESTIC_PASSWORD='{{ repo['password'] | regex_replace('\'', '\'\\\'\'') }}' 2>/dev/null

# transfer snapshots to archive
restic copy

{% if repo.archive_cleanup %}

{% if restic_archiver__mount_required %}
set +euxo pipefail
if mountpoint -q {{ restic_archiver__mount_disk }}
then
   echo "{{ restic_archiver__mount_disk }} is mounted"
else
   mount -a
fi
set -euxo pipefail
{% endif %}
# ARCHIVE CLEANUP Settings for Server "{{ repo['name'] | string }}"
export RESTIC_REPOSITORY="{{ repo['archive_location'] }}"
export RESTIC_PASSWORD='{{ repo['archive_password'] | regex_replace('\'', '\'\\\'\'') }}' 2>/dev/null
BACKUP_NAME="{{ repo.name }}_archive"

restic forget {{ retention_pattern(repo) }}

{% endif %}
restic check
{% endif %}

{% endfor %}

sync
set +euxo pipefail
{% if restic_archiver__umount_after_usage %}
umount {{ restic_archiver__mount_disk }}
{% endif %}