#!/bin/bash
# Seafile backup script.
# Backs up MySQL databases and seafile data directory.
# Runs every 3 days via root crontab. Keeps last 5 backups.
# Backup-freshness monitored via .age items.

set -euo pipefail

BACKUP_DIR="/mnt/backups/seafile"
DATA_DIR="/mnt/misc/seafile"
DATE=$(date '+%Y%m%d-%H%M')
DEST="$BACKUP_DIR/$DATE"

mkdir -p "$DEST"

# Dump all three Seafile databases from the running container
for DB in ccnet_db seafile_db seahub_db; do
  docker exec seafile-mysql mysqldump \
    -u seafile -pFWsYYeZa15ro6x \
    --single-transaction "$DB" > "$DEST/${DB}.sql"
  echo "Dumped: $DB"
done

# Copy seafile data (libraries, config — excludes mysql and caddy dirs)
rsync -a --delete \
  --exclude='seafile-mysql/' \
  --exclude='seafile-caddy/' \
  "$DATA_DIR/" "$DEST/data/"

echo "$(date): Backup complete: $DEST"
ls "$DEST/"
# Backup-freshness monitoring is now done via .age items (calculated fields showing
# age of the backup). The .ts (timestamp) trappers were unreliable (history.push not
# landing); removed in kb#189 in favor of .age overdue triggers.

# Rotate: keep last 5 backups
ls -1dt "$BACKUP_DIR"/[0-9]*-[0-9]* 2>/dev/null | tail -n +6 | xargs -r rm -rf