Add borg prune and compact jobs

Run repository retention either after a successful backup or from a
dedicated systemd timer. Clean up script generation with templates and
expand molecule test coverage.

BREAKING CHANGE: Aggregate backup scripts are no longer managed, and
state=preset now requires at least one readable included directory.

1 files changed, 71 insertions, 0 deletions

diff --git a/templates/borg_prune_script.j2 b/templates/borg_prune_script.j2
new file mode 100644
index 0000000..bc1f5b9
--- /dev/null
+++ b/templates/borg_prune_script.j2
@@ -0,0 +1,71 @@
+#!/bin/bash
+export BORG_PASSPHRASE={{ borg_passphrase | quote }}
+{% if borg_ssh_key_per_repo %}
+export BORG_RSH="ssh -i {{ borg_ssh_key_path }}"
+{% endif %}
+
+borg prune \
+  {% if borg_prune_force %}
+--force \
+  {% endif %}
+{% if borg_prune_stats %}
+--stats \
+  {% endif %}
+{% if borg_prune_list %}
+--list \
+  {% endif %}
+{% if borg_prune_save_space %}
+--save-space \
+  {% endif %}
+--checkpoint-interval {{ borg_prune_checkpoint_interval }} \
+  --glob-archives {{ borg_prune_glob_archives | quote }} \
+  {% if borg_prune_keep_within %}
+--keep-within {{ borg_prune_keep_within | quote }} \
+  {% endif %}
+{% if borg_prune_keep_last %}
+--keep-last {{ borg_prune_keep_last | quote }} \
+  {% endif %}
+{% if borg_prune_keep_minutely %}
+--keep-minutely {{ borg_prune_keep_minutely | quote }} \
+  {% endif %}
+{% if borg_prune_keep_hourly %}
+--keep-hourly {{ borg_prune_keep_hourly | quote }} \
+  {% endif %}
+{% if borg_prune_keep_daily %}
+--keep-daily {{ borg_prune_keep_daily | quote }} \
+  {% endif %}
+{% if borg_prune_keep_weekly %}
+--keep-weekly {{ borg_prune_keep_weekly | quote }} \
+  {% endif %}
+{% if borg_prune_keep_monthly %}
+--keep-monthly {{ borg_prune_keep_monthly | quote }} \
+  {% endif %}
+{% if borg_prune_keep_13weekly %}
+--keep-13weekly {{ borg_prune_keep_13weekly | quote }} \
+  {% endif %}
+{% if borg_prune_keep_3monthly %}
+--keep-3monthly {{ borg_prune_keep_3monthly | quote }} \
+  {% endif %}
+{% if borg_prune_keep_yearly %}
+--keep-yearly {{ borg_prune_keep_yearly | quote }} \
+  {% endif %}
+{% if borg_prune_additional_arguments %}
+{{ borg_prune_additional_arguments }} \
+  {% endif %}
+{{ borg_server_user }}@{{ borg_server_host_url }}:{{ borg_server_user_home }}/{{ borg_repo_name }}
+borg_prune_exit=$?
+if [ "${borg_prune_exit}" -ne 0 ]; then
+  exit "${borg_prune_exit}"
+fi
+{% if borg_prune_compact_enabled %}
+
+borg compact \
+  {% if borg_compact_cleanup_commits %}
+--cleanup-commits \
+  {% endif %}
+--threshold {{ borg_compact_threshold }} \
+  {% if borg_compact_additional_arguments %}
+{{ borg_compact_additional_arguments }} \
+  {% endif %}
+{{ borg_server_user }}@{{ borg_server_host_url }}:{{ borg_server_user_home }}/{{ borg_repo_name }}
+{% endif %}