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services:
backup:
image: python:3.11-alpine
volumes:
- "{{ swarm_base }}:/mnt/source:ro"
- "{{ backup_base }}/volumes/backups:/backups"
- "{{ backup_base }}/volumes/work:/work"
- "{{ backup_base }}/volumes/scripts:/scripts"
{% if borg_repo.startswith('ssh://') %}
- "{{ backup_base }}/volumes/ssh:/root/.ssh:ro"
{% endif %}
environment:
- TZ={{ timezone }}
- DEPLOYMENT_TIME={{ deployment_time }}
- BACKUP_RETENTION_DAYS={{ backup_retention_days | default(14) }}
- NTFY_TOPIC={{ ntfy_topic }}
- PYTHONUNBUFFERED=1
- BORG_REPO={{ borg_repo }}
- BORG_PASSPHRASE={{ borg_passphrase }}
- BORG_COMPRESSION={{ borg_compression }}
- BORG_KEEP_DAILY={{ borg_keep_daily }}
- BORG_KEEP_WEEKLY={{ borg_keep_weekly }}
- BORG_KEEP_MONTHLY={{ borg_keep_monthly }}
command: >
sh -c "
apk add --no-cache borgbackup openssh-client &&
chmod +x /scripts/*.py &&
mkdir -p /scripts/logs &&
{% if homelab_build %}
python3 /scripts/backup.py /mnt/source --blocklist {{ blocklist }} --work-dir /work --backup-dir /backups
{% else %}
echo '0 2 * * * cd /scripts && python3 backup.py /mnt/source --blocklist {{ blocklist }} --work-dir /work --backup-dir /backups >> logs/backup-$$(date +\\%Y\\%m\\%d).log 2>&1' > /etc/crontabs/root &&
echo '0 4 * * * cd /scripts && python3 cleanup.py /backups --blocklist {{ blocklist }} --retention-days ${BACKUP_RETENTION_DAYS} >> logs/cleanup-$$(date +\\%Y\\%m\\%d).log 2>&1' >> /etc/crontabs/root &&
crond -f
{% endif %}
"
networks:
- proxy
deploy:
mode: replicated
replicas: 1
update_config:
parallelism: 1
failure_action: rollback
order: start-first
delay: 5s
monitor: 30s
placement:
constraints:
- node.role == manager
networks:
proxy:
external: true
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