lvm_self_backup: Increase timeout and show progress information

This sets the timeout to 20h, because full backups usually take longer and also enabled progress logs, to see if the job is actually still doing something.

roles/lvm_self_backup/templates/backup-lvm.service

@@ -4,7 +4,7 @@ Description=Start lvm backup using duplicity.
 [Service]
 Type=oneshot
 
-TimeoutSec=2h
+TimeoutSec=20h
 
 # Creating snapshots
 {% for item in backup_vols %}

roles/lvm_self_backup/templates/backup-lvm.sh

@@ -34,6 +34,8 @@ function backup () {(
             --hostname {{ ansible_fqdn }} \
             {{ backup_duplicity_image }}:{{ backup_duplicity_image_version }} \
             --full-if-older-than 1M \
+            --progress \
+            --progress-rate 60 \
             --sign-key "{{ backup_gpg.sign_key | default(backup_gpg.id) }}" \
 {% for encryption_key in backup_gpg.encryption_keys | default([backup_gpg.id]) %}
             --encrypt-key "{{ encryption_key }}" \