fix: 8001 端口冲突修复脚本，防止双开 gunicorn 卡死全站

Co-authored-by: Cursor <cursoragent@cursor.com>

deploy/audit-system.sh

@@ -27,6 +27,12 @@ NG=$(pgrep -cf 'gunicorn.*a_long_dianjing' 2>/dev/null || echo 0)
 if [ "$NG" -gt 8 ]; then
   echo ">>> 警告: gunicorn 进程过多($NG)，可能 systemd + 1Panel 双开，必须只留 systemd"
 fi
+RECENT=$(grep -a 'Connection in use' /tmp/gunicorn-error.log 2>/dev/null | tail -1)
+if [ -n "$RECENT" ]; then
+  echo ">>> 警告: error.log 曾出现 8001 端口冲突（双开 gunicorn）:"
+  echo "    $RECENT"
+  echo "    执行: bash deploy/fix-gunicorn-8001-conflict.sh"
+fi
 if grep -q 'worker_class.*sync' "$CONF" 2>/dev/null; then
   echo ">>> 致命: gunicorn.conf.py 仍是 sync，全站会卡死，必须改为 gthread 并 restart"
 fi

deploy/fix-gunicorn-8001-conflict.sh

@@ -0,0 +1,58 @@
+#!/bin/bash
+# 修复 8001 端口冲突：多个 Gunicorn 同时抢 8001 会导致全站卡死
+# 日志特征: Connection in use: ('127.0.0.1', 8001)
+# 用法: bash deploy/fix-gunicorn-8001-conflict.sh
+set -e
+DJANGO_DIR="/opt/1panel/apps/openresty/nginx/www/sites/43.142.166.152.443/django"
+cd "$DJANGO_DIR"
+
+echo "========== 修复前 =========="
+pgrep -af 'gunicorn' || echo "无 gunicorn"
+ss -ltnp 2>/dev/null | grep 8001 || true
+
+echo ""
+echo ">>> [1] 停 systemd 服务"
+systemctl stop gunicorn-dianjing.service 2>/dev/null || true
+sleep 2
+
+echo ">>> [2] 结束所有 gunicorn（含 1Panel 误起的）"
+pkill -f 'gunicorn.*a_long_dianjing' 2>/dev/null || true
+pkill -f 'gunicorn -c gunicorn.conf.py' 2>/dev/null || true
+sleep 3
+
+if ss -ltn 2>/dev/null | grep -q ':8001'; then
+  echo ">>> [3] 8001 仍占用，释放端口"
+  fuser -k 8001/tcp 2>/dev/null || true
+  sleep 2
+fi
+
+if ss -ltn 2>/dev/null | grep -q ':8001'; then
+  echo "错误: 8001 仍被占用，请检查是否有 1Panel Python 自动管理未关闭"
+  ss -ltnp | grep 8001 || true
+  exit 1
+fi
+
+echo ">>> [4] 只由 systemd 拉起唯一一套 gunicorn"
+cp deploy/systemd/gunicorn-dianjing.service /etc/systemd/system/gunicorn-dianjing.service
+systemctl daemon-reload
+systemctl enable gunicorn-dianjing.service
+systemctl start gunicorn-dianjing.service
+sleep 3
+
+echo ""
+echo "========== 修复后 =========="
+systemctl is-active gunicorn-dianjing.service
+pgrep -af 'gunicorn' || echo "无 gunicorn"
+NG=$(pgrep -cf 'gunicorn.*a_long_dianjing' 2>/dev/null || echo 0)
+echo "进程数: $NG (正常=7: 1master+6worker)"
+ss -ltnp 2>/dev/null | grep 8001 || true
+
+curl -s -o /dev/null -w "curl 8001: %{time_total}s HTTP\n" http://127.0.0.1:8001/hqhd/
+
+echo ""
+echo ">>> 最近是否还有 8001 冲突:"
+grep -a 'Connection in use' /tmp/gunicorn-error.log 2>/dev/null | tail -3 || echo "无"
+
+echo ""
+echo "【必做】1Panel → 该站点 → 关闭 Python 运行环境自动管理"
+echo "否则 1Panel 会再次抢 8001，全站又会卡死"

deploy/safe-deploy.sh

@@ -8,12 +8,17 @@ cd "$DJANGO_DIR"
 echo ">>> git pull"
 git pull origin main
 
-echo ">>> 更新 gunicorn systemd"
+echo ">>> 更新 gunicorn systemd（先停再起，避免 8001 双开）"
 cp deploy/systemd/gunicorn-dianjing.service /etc/systemd/system/gunicorn-dianjing.service
 systemctl daemon-reload
 systemctl enable gunicorn-dianjing.service
-systemctl restart gunicorn-dianjing.service
+systemctl stop gunicorn-dianjing.service 2>/dev/null || true
 sleep 2
+pkill -f 'gunicorn.*a_long_dianjing' 2>/dev/null || true
+pkill -f 'gunicorn -c gunicorn.conf.py' 2>/dev/null || true
+sleep 2
+systemctl start gunicorn-dianjing.service
+sleep 3
 
 echo ">>> 状态"
 systemctl is-active gunicorn-dianjing.service