Use the dynamic RESTMapper from controller-runtime v0.19 #1377
+2,782
−87
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This PR replaces the RESTMapper shipped in controller-runtime v0.20 for health check operations.
The Kubernetes Aggregated Discovery was enabled in controller-runtime#2901 and looks like this feature is buggy resulting in old API versions being returned as the preferred version randomly. While running the health checks, the controller would query old versions resulting in spurious logs about deprecated versions and in some cases, the health check would even fail.
This was observed on lots of cluster by Flux users, including on Kubernetes 1.32, 1.31 and OpenShift 4.16.
Depends on: fluxcd/pkg#873
Supersedes: #1374
Fixes: #1373
Test images:
ghcr.io/fluxcd/kustomize-controller:rc-8b6f4bc6
docker.io/fluxcd/kustomize-controller:rc-8b6f4bc6