Decrease the frequency of reconcilation requests for healthy DNS-SD i…

…nstances.

CHANGELOG.md

@@ -12,6 +12,14 @@ The format is based on [Keep a Changelog], and this project adheres to
 
 <!-- REMEMBER TO BUMP THE VERSIONS IN THE CHART FILE -->
 
+## [0.4.12] - 2024-01-12
+
+### Changed
+
+- Decrease the frequency of reconcilation requests for healthy DNS-SD instances
+  (10 times TTL). This is a hack to reduce the likelyhood of false negatives
+  until a fix can be applied to the upstream dependency `dogmatiq/dissolve`.
+
 ## [0.4.11] - 2024-01-12
 
 ### Added
@@ -172,6 +180,9 @@ The format is based on [Keep a Changelog], and this project adheres to
 [0.4.7]: https://github.com/dogmatiq/proclaim/releases/tag/v0.4.7
 [0.4.8]: https://github.com/dogmatiq/proclaim/releases/tag/v0.4.8
 [0.4.9]: https://github.com/dogmatiq/proclaim/releases/tag/v0.4.9
+[0.4.10]: https://github.com/dogmatiq/proclaim/releases/tag/v0.4.10
+[0.4.11]: https://github.com/dogmatiq/proclaim/releases/tag/v0.4.11
+[0.4.12]: https://github.com/dogmatiq/proclaim/releases/tag/v0.4.12
 
 <!-- version template
 ## [0.0.1] - YYYY-MM-DD

charts/Chart.yaml

@@ -2,6 +2,6 @@ apiVersion: v2
 name: proclaim
 description: A Kubernetes controller and CRD that publishes DNS-SD records.
 type: application
-version: v0.4.11
-appVersion: v0.4.11
+version: v0.4.12
+appVersion: v0.4.12
 icon: https://dogmatiq.io/res/img/icon-144x144.png

reconciler/advertise.go

@@ -178,15 +178,15 @@ func (r *Reconciler) requeueResult(
 		reason = "drift detection"
 		delay = res.Spec.Instance.TTL.Duration
 	} else if discoveredTTL == 0 {
-		// We have no TTL information from actual DNS records, so we use
-		// the TTL from the specification.
+		// We have no TTL information from actual DNS records, so we compute
+		// something based on the TTL.
 		//
 		// HACK: This doesn't really have anything to do with the TTL, we're
 		// just using it as a (hopefully) reasonable indicator of how long we
 		// should wait before re-trying. It would be better if the provider
 		// could give us retry intervals based on the zone's SOA record (e.g.
 		// negative cache times) and/or API rate limiting.
-		delay = res.Spec.Instance.TTL.Duration
+		delay = 10 * res.Spec.Instance.TTL.Duration
 		reason = "not discoverable"
 	} else {
 		// Otherwise, we wait long enough for the mismatching discovered DNS