feat: update borgmatic cron jobs to log output and add logrotate configuration

ansible/group_vars/all/backup.yml

@@ -9,10 +9,10 @@ borg_version: "1.4.0"
 borgmatic_version: "2.0.1"
 borgmatic_relocated_repo_access_is_ok: true
 borgmatic_cron_lines:
-  - '0 2 * * * root borgmatic -c /etc/borgmatic/borg_local_repo'
-  - '0 3 * * * root borgmatic -c /etc/borgmatic/borg_remote_repo'
-  - '0 12 1 * * root borgmatic compact /etc/borgmatic/borg_local_repo'
-  - '0 17 1 * * root borgmatic compact /etc/borgmatic/borg_remote_repo'
+  - '0 2 * * * root borgmatic -c /etc/borgmatic/borg_local_repo >> /var/log/borgmatic/borg_local_repo.log 2>&1'
+  - '0 3 * * * root borgmatic -c /etc/borgmatic/borg_remote_repo >> /var/log/borgmatic/borg_remote_repo.log 2>&1'
+  - '0 12 1 * * root borgmatic compact /etc/borgmatic/borg_local_repo >> /var/log/borgmatic/borg_local_repo.log 2>&1'
+  - '0 17 1 * * root borgmatic compact /etc/borgmatic/borg_remote_repo >> /var/log/borgmatic/borg_remote_repo.log 2>&1'
 
 borgmatic_hooks:
   before_backup:

ansible/group_vars/all/common.yml

@@ -236,3 +236,16 @@ logrotate_entries:
     create_user: root
     create_group: utmp
     minsize: 1M
+
+  - name: borgmatic
+    path:
+      - /var/log/borgmatic/borg_local_repo.log
+      - /var/log/borgmatic/borg_remote_repo.log
+    frequency: monthly
+    keep: 12
+    missingok: true
+    notifempty: true
+    delaycompress: true
+    create_mode: "0644"
+    create_user: root
+    create_group: root