From: Dan Fuhry <dan@fuhry.com>
Date: Fri, 4 Apr 2025 03:51:02 +0000 (-0400)
Subject: [sd] write logs once at notice level when health status changes
X-Git-Url: https://go.fuhry.dev/?a=commitdiff_plain;h=36a4718e01991173422bb25a8c81b534275db491;p=runtime.git

[sd] write logs once at notice level when health status changes
---

diff --git a/sd/healthcheck.go b/sd/healthcheck.go
index 89163a3..9948c50 100644
--- a/sd/healthcheck.go
+++ b/sd/healthcheck.go
@@ -148,13 +148,17 @@ func HealthCheckLoop(ctx context.Context, svc HealthCheckService) <-chan HealthC
 			var event HealthChangeEvent
 			err := svc.Check()
 			if err == nil {
-				logger.V(1).Infof("%T: svc %s is healthy", svc, svc.ServiceDefinition().ServiceName)
+				if lastEvent == nil || lastEvent.Status != event.Status {
+					logger.Noticef("%T: svc %s becomes healthy", svc, svc.ServiceDefinition().ServiceName)
+				}
 				event = HealthChangeEvent{
 					Status: ServiceUp,
 					Error:  nil,
 				}
 			} else {
-				logger.V(1).Infof("%T: svc %s is unhealthy: %v", svc, svc.ServiceDefinition().ServiceName, err)
+				if lastEvent == nil || lastEvent.Status != event.Status {
+					logger.Noticef("%T: svc %s becomes unhealthy: %v", svc, svc.ServiceDefinition().ServiceName, err)
+				}
 				event = HealthChangeEvent{
 					Status: ServiceDown,
 					Error:  err,