From 7eea8eab6d675790967e15eaa4e3daf024cf7cc4 Mon Sep 17 00:00:00 2001
From: Remi Gacogne <remi.gacogne@powerdns.com>
Date: Tue, 18 Oct 2022 15:46:19 +0200
Subject: [PATCH] dnsdist: Properly handle the initial failure in 'lazy' mode

---
 pdns/dnsdistdist/dnsdist-backend.cc | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/pdns/dnsdistdist/dnsdist-backend.cc b/pdns/dnsdistdist/dnsdist-backend.cc
index a93d36d01d..dd6886048f 100644
--- a/pdns/dnsdistdist/dnsdist-backend.cc
+++ b/pdns/dnsdistdist/dnsdist-backend.cc
@@ -612,6 +612,11 @@ void DownstreamState::submitHealthCheckResult(bool initial, bool newResult)
       infolog("Marking downstream %s as '%s'", getNameWithAddr(), newResult ? "up" : "down");
     }
     setUpStatus(newResult);
+    if (newResult == false) {
+      auto stats = d_lazyHealthCheckStats.lock();
+      stats->d_status = LazyHealthCheckStats::LazyStatus::Failed;
+      updateNextLazyHealthCheck(*stats);
+    }
     return;
   }
 
-- 
2.47.2