#!/bin/sh
# Dump all homelab databases to /config/backup/dumps (gzip SQL).
# Runs inside backup_scheduler; needs docker.sock.
set -eu

DUMP_ROOT=/dumps
STAMP=$(date +%Y%m%d-%H%M%S)
DIR="${DUMP_ROOT}/${STAMP}"
mkdir -p "${DIR}"

log() { echo "[backup-dump ${STAMP}] $*"; }

dump_postgres() {
  name="$1"
  user="$2"
  db="$3"
  if ! docker ps --format '{{.Names}}' | grep -qx "${name}"; then
    log "skip ${name} (not running)"
    return 0
  fi
  log "dump ${name} → ${db}"
  docker exec "${name}" pg_dump -U "${user}" "${db}" | gzip -c > "${DIR}/${name}.sql.gz"
}

dump_mariadb() {
  name="$1"
  db="$2"
  if ! docker ps --format '{{.Names}}' | grep -qx "${name}"; then
    log "skip ${name} (not running)"
    return 0
  fi
  log "dump ${name} → ${db}"
  docker exec "${name}" sh -c "mariadb-dump -u root -p\"\$MYSQL_ROOT_PASSWORD\" \"${db}\"" \
    | gzip -c > "${DIR}/${name}.sql.gz"
}

log "starting database dumps → ${DIR}"

dump_postgres postgres_gitea gitea gitea
dump_postgres postgres_plane plane plane
dump_postgres postgres_authentik authentik authentik
dump_postgres postgres_famapp famapp famapp
dump_postgres postgres_resume postgres postgres

dump_mariadb mariadb_bookstack bookstack
dump_mariadb owncloud_mariadb owncloud
dump_mariadb romm-db romm

find "${DUMP_ROOT}" -mindepth 1 -maxdepth 1 -type d -mtime +14 -exec rm -rf {} + 2>/dev/null || true

log "done"