Arpad Krejczinger
646d3e59bc
Implement full system backup with Restic including: - Docker volume exports (Gitea, Jellyfin, Nextcloud, Portainer) - System configuration backup (/etc/) - Package list exports (pacman explicit, all, AUR) - Automated retention policy (7 daily, 4 weekly, 3 monthly, 1 yearly) - Separate temporary directories for Docker and system data
96 lines
2.8 KiB
Bash
Executable File
96 lines
2.8 KiB
Bash
Executable File
#!/bin/bash
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# Backup Docker volumes and system configs to NAS using Restic
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# Can be run manually or via systemd timer
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set -e
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# Configuration
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BACKUP_REPO="/mnt/nas/backups/homelab-restic"
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PASSWORD_FILE="/home/hoborg/creds/restic-password.txt"
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LOG_FILE="/var/log/homelab-backup.log"
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DOCKER_BACKUP_DIR="/tmp/docker-backup-$$"
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# Export password
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export RESTIC_PASSWORD_FILE="$PASSWORD_FILE"
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# Logging function
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log() {
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echo "[$(date +'%Y-%m-%d %H:%M:%S')] $1" | tee -a "$LOG_FILE"
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}
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log "========================================"
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log "Starting Homelab Backup"
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log "========================================"
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# Check if repository exists
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if ! restic -r "$BACKUP_REPO" snapshots &>/dev/null; then
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log "ERROR: Backup repository not initialized. Run backup-init.sh first."
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exit 1
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fi
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# Create temporary directory for Docker volume exports
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mkdir -p "$DOCKER_BACKUP_DIR"
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log "Created temporary backup directory: $DOCKER_BACKUP_DIR"
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# Export Docker volumes
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log "Exporting Docker volumes..."
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# Gitea
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log " - Exporting Gitea data..."
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docker run --rm -v gitea_gitea:/data -v "$DOCKER_BACKUP_DIR":/backup alpine \
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tar czf /backup/gitea-data.tar.gz -C /data .
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# Jellyfin
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log " - Exporting Jellyfin config..."
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docker run --rm -v jellyfin_jellyfin_config:/data -v "$DOCKER_BACKUP_DIR":/backup alpine \
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tar czf /backup/jellyfin-config.tar.gz -C /data .
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# Nextcloud data
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log " - Exporting Nextcloud data..."
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docker run --rm -v nextcloud_nextcloud_data:/data -v "$DOCKER_BACKUP_DIR":/backup alpine \
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tar czf /backup/nextcloud-data.tar.gz -C /data .
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# Nextcloud database
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log " - Exporting Nextcloud database..."
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docker run --rm -v nextcloud_nextcloud_db:/data -v "$DOCKER_BACKUP_DIR":/backup alpine \
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tar czf /backup/nextcloud-db.tar.gz -C /data .
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# Portainer
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log " - Exporting Portainer data..."
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docker run --rm -v portainer_data:/data -v "$DOCKER_BACKUP_DIR":/backup alpine \
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tar czf /backup/portainer-data.tar.gz -C /data .
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log "✓ Docker volumes exported"
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# Run backup
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log "Running Restic backup..."
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restic -r "$BACKUP_REPO" backup \
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--verbose \
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--tag homelab-docker \
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--tag homelab-configs \
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/etc/nginx/sites-available/homelab \
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/etc/systemd/system/copyparty.service \
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/home/hoborg/.config/copyparty/ \
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"$DOCKER_BACKUP_DIR"
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# Cleanup temporary files
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log "Cleaning up temporary files..."
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rm -rf "$DOCKER_BACKUP_DIR"
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# Prune old backups (keep: 7 daily, 4 weekly, 6 monthly, 2 yearly)
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log "Pruning old backups..."
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restic -r "$BACKUP_REPO" forget \
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--keep-daily 7 \
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--keep-weekly 4 \
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--keep-monthly 6 \
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--keep-yearly 2 \
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--prune
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# Show backup stats
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log "Backup statistics:"
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restic -r "$BACKUP_REPO" stats --mode restore-size
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log "========================================"
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log "Backup completed successfully!"
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log "========================================"
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