From 33eb27f89224d95d9395b25b7208b7a574fc0b30 Mon Sep 17 00:00:00 2001
From: Magnus Root <magnusroot@inbox.ru>
Date: Thu, 14 May 2026 18:07:39 +0300
Subject: [PATCH] Added backup

---
 webcheck.go | 24 +++++++++++++++++-------
 1 file changed, 17 insertions(+), 7 deletions(-)

diff --git a/webcheck.go b/webcheck.go
index ee1c110..5838f07 100644
--- a/webcheck.go
+++ b/webcheck.go
@@ -261,9 +261,11 @@ func wcCheckDomainFull(domain string, backendIPs []string) []wcDomainResult {
 	var results []wcDomainResult
 
 	// Проверка через backend IPs (curl) — каждый протокол независимо
-	for _, ip := range backendIPs {
+	for _, ipRaw := range backendIPs {
+		// Убираем суффикс " (backup)" для реального подключения
+		ip := strings.TrimSuffix(ipRaw, " (backup)")
 		for _, proto := range []string{"https", "http"} {
-			r := wcDomainResult{Domain: domain, BackendIP: ip, Source: "curl", CheckedAt: time.Now()}
+			r := wcDomainResult{Domain: domain, BackendIP: ipRaw, Source: "curl", CheckedAt: time.Now()}
 			code, err := wcCurlGet(domain, ip, proto)
 			if err != nil {
 				r.Protocol = proto
@@ -455,8 +457,11 @@ func wcGetBackendIPs(db *sql.DB, sid string, excludedNets []*net.IPNet) ([]strin
 	seen := make(map[string]bool)
 
 	for _, e := range entries {
-		// Берём только primary — down и другие режимы пропускаем
-		if e.Mode != "primary" {
+		// Берём primary и backup — down и другие режимы пропускаем
+		switch e.Mode {
+		case "primary", "backup":
+			// продолжаем
+		default:
 			log.Printf("   ⏭️  %s пропущен (mode: %s)", e.IP, e.Mode)
 			continue
 		}
@@ -472,9 +477,14 @@ func wcGetBackendIPs(db *sql.DB, sid string, excludedNets []*net.IPNet) ([]strin
 			continue
 		}
 
-		if !seen[ip.String()] {
-			seen[ip.String()] = true
-			result = append(result, ip.String())
+		ipStr := ip.String()
+		if e.Mode == "backup" {
+			ipStr = ip.String() + " (backup)"
+		}
+
+		if !seen[ipStr] {
+			seen[ipStr] = true
+			result = append(result, ipStr)
 		}
 	}