From 5040e50726e8641f8c7523634186e3642bb2b528 Mon Sep 17 00:00:00 2001
From: Pavel Odintsov <pavel@cloudflare.com>
Date: Mon, 1 Oct 2018 14:51:23 +0100
Subject: [PATCH] Export Prometheus metric about number of alive servers in
 pool

---
 pdns/dnsdist-web.cc | 1 +
 1 file changed, 1 insertion(+)

diff --git a/pdns/dnsdist-web.cc b/pdns/dnsdist-web.cc
index e2e756c8ea..dc9c5545f2 100644
--- a/pdns/dnsdist-web.cc
+++ b/pdns/dnsdist-web.cc
@@ -475,6 +475,7 @@ static void connectionThread(int sock, ComboAddress remote, string password, str
           const string label = "{pool=\"" + poolName + "\"}";
           const std::shared_ptr<ServerPool> pool = entry.second;
           output << "dnsdist_pool_servers" << label << " " << pool->countServers(false) << "\n";
+          output << "dnsdist_pool_active_servers" << label << " " << pool->countServers(true) << "\n";
 
           if (pool->packetCache != nullptr) {
             const auto& cache = pool->packetCache;
-- 
2.47.2