#!/usr/bin/env bash
# 作业 1 · 在 207 上启动模拟「查询服务器状态」FastAPI 服务
set -euo pipefail

DIR="/opt/server_status_api"
PORT="${SERVER_STATUS_PORT:-8777}"
PIDFILE="/tmp/server_status_api.pid"
LOG="/tmp/server_status_api.log"

mkdir -p "$DIR"
pip3 install fastapi uvicorn -q

if [[ -f "$PIDFILE" ]] && kill -0 "$(cat "$PIDFILE")" 2>/dev/null; then
  echo "server_status_api already running pid=$(cat "$PIDFILE")"
  exit 0
fi

cd "$DIR"
nohup python3 -m uvicorn 作业1_server_status_api:app \
  --host 0.0.0.0 --port "$PORT" >>"$LOG" 2>&1 &
echo $! >"$PIDFILE"
sleep 1
curl -sf "http://127.0.0.1:${PORT}/health" && echo
echo "started on :${PORT}, log=$LOG"