infrastructure/roles/lvm_self_backup/templates/backup-lvm.sh
saibotk 524bfe4fd4
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.
2021-10-06 00:00:30 +02:00

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#!/bin/bash
# Infrastructure
# Ansible instructions to deploy the infrastructure
# Copyright (C) 2020 Saibotk
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, version 3 of the License.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
function backup () {(
set -e
echo "Starting data backup:"
docker run --name="duplicity-backup-lvm" \
--security-opt "label=disable" \
--security-opt "no-new-privileges" \
--cap-drop=ALL \
--cap-add=DAC_OVERRIDE \
--rm \
-v "$HOME/.cache/duplicity/:/archive" \
-v "/root/.gnupg/:/root/.gnupg/" \
-v "/backup_snapshots/:/backup/:ro" \
-e "PASSPHRASE={{ backup_gpg.passphrase }}" \
--hostname {{ ansible_fqdn }} \
{{ backup_duplicity_image }}:{{ backup_duplicity_image_version }} \
--full-if-older-than 1M \
--progress \
--progress-rate 60 \
--sign-key "{{ backup_gpg.sign_key | default(backup_gpg.id) }}" \
{% for encryption_key in backup_gpg.encryption_keys | default([backup_gpg.id]) %}
--encrypt-key "{{ encryption_key }}" \
{% endfor %}
/backup/ \
"{{ backup_target }}"
{% if backup_retention.incremental.enabled %}
echo "Remove old incremental backups"
docker run --name="duplicity-backup-lvm" \
--security-opt "label=disable" \
--security-opt "no-new-privileges" \
--cap-drop=ALL \
--cap-add=DAC_OVERRIDE \
--rm \
-v "$HOME/.cache/duplicity/:/archive" \
--hostname {{ ansible_fqdn }} \
{{ backup_duplicity_image }}:{{ backup_duplicity_image_version }} \
remove-all-inc-of-but-n-full {{ backup_retention.incremental.count }} --force \
"{{ backup_target }}"
{% endif %}
{% if backup_retention.full.enabled %}
echo "Remove old full backups"
docker run --name="duplicity-backup-lvm" \
--security-opt "label=disable" \
--security-opt "no-new-privileges" \
--cap-drop=ALL \
--cap-add=DAC_OVERRIDE \
--rm \
-v "$HOME/.cache/duplicity/:/archive" \
--hostname {{ ansible_fqdn }} \
{{ backup_duplicity_image }}:{{ backup_duplicity_image_version }} \
remove-all-but-n-full {{ backup_retention.full.count }} --force \
"{{ backup_target }}"
{% endif %}
)}
echo "LVM backup started:"
backup
success=$?
if [ $success -gt 0 ]; then
echo "ERROR: An error occured during backup! $success"
fi
echo $success > {{ backup_status_directory }}/backup.status
exit $success