# 被各 *-restart.sh source，勿单独执行
SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
GANGYAN_ROOT="$(cd "$SCRIPT_DIR/.." && pwd)"
LOG_DIR="$GANGYAN_ROOT/logs"
mkdir -p "$LOG_DIR"

log_line() {
  echo "[$(date '+%Y-%m-%d %H:%M:%S')] $*"
}

log_tee() {
  log_line "$@" | tee -a "$LOG_FILE"
}