cutover: 失败自动回滚到宿主 nginx

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

deploy/scripts/cutover.sh

@@ -23,13 +23,28 @@ docker run --rm \
   -v /var/www/pay:/var/www/pay:ro \
   "$EDGE_IMAGE" nginx -t
 
+rollback() {
+  echo "==> !! 自动回滚:停 edge,恢复宿主 nginx" >&2
+  docker-compose -p pangolin stop edge >/dev/null 2>&1 || true
+  systemctl enable nginx >/dev/null 2>&1 || true
+  systemctl start nginx || echo "    !! 宿主 nginx 启动失败,请手动 systemctl start nginx" >&2
+  echo "    已回滚到宿主 nginx。" >&2
+  exit 1
+}
+
 echo "==> [2/4] 停用宿主 nginx 并起 edge 容器(交接窗口,秒级)"
 systemctl stop nginx
 systemctl disable nginx 2>/dev/null || true
-docker-compose -p pangolin up -d edge singbox
+if ! docker-compose -p pangolin up -d edge singbox; then
+  echo "    edge 启动失败" >&2; rollback
+fi
 
 echo "==> [3/4] 等待并健康检查"
 sleep 2
+# edge 容器必须在跑
+if [[ "$(docker inspect -f '{{.State.Running}}' pangolin-edge 2>/dev/null)" != "true" ]]; then
+  echo "    edge 容器未运行" >&2; docker logs pangolin-edge 2>&1 | tail -10; rollback
+fi
 fail=0
 # REALITY 经 443 → 10443(Marzban),SNI=www.cloudflare.com 应握手成功
 if echo | timeout 10 openssl s_client -connect 127.0.0.1:443 -servername www.cloudflare.com >/dev/null 2>&1; then
@@ -45,6 +60,5 @@ echo "==> [4/4] 结果"
 if [[ "$fail" == "0" ]]; then
   echo "    切换成功 ✅(宿主 nginx 已停,配置保留可回滚)"
 else
-  echo "    ❌ 检查未全通过。回滚:docker-compose -p pangolin stop edge && systemctl start nginx" >&2
-  exit 1
+  echo "    部分检查未通过" >&2; rollback
 fi