dnsdist: Add missing prometheus descriptions for dnsdist_pool_servers and dnsdist_po...

diff --git a/pdns/dnsdist-web.cc b/pdns/dnsdist-web.cc
index 79091b4d796023e37c48ca911aeedfac988e01f9..5fd44725c9580fcd474cc3fe679a0d0713e99b15 100644 (file)
--- a/pdns/dnsdist-web.cc
+++ b/pdns/dnsdist-web.cc
@@ -652,6 +652,10 @@ static void connectionThread(int sock, ComboAddress remote)
 
         auto localPools = g_pools.getLocal();
         const string cachebase = "dnsdist_pool_";
+        output << "# HELP dnsdist_pool_servers " << "Number of servers in that pool" << "\n";
+        output << "# TYPE dnsdist_pool_servers " << "gauge" << "\n";
+        output << "# HELP dnsdist_pool_active_servers " << "Number of available servers in that pool" << "\n";
+        output << "# TYPE dnsdist_pool_active_servers " << "gauge" << "\n";
 
         for (const auto& entry : *localPools) {
           string poolName = entry.first;