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Crash with ClusterStack Resource with empty `providerRef` and `noProvider`

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Bewertung

Schwierigkeit
3/5
Geschätzter Aufwand
1-2 Tage
Anfängerfreundlichkeit
45/100
Issue-Typ
Bug
Klarheit
Größtenteils klar
Aktivitätsstatus
Veraltet
Tech-Stack
go
Bereich
infrastructure

Rechercherichtung

Reproduce the crash with the ClusterStack spec in the issue, then start at internal/controller/clusterstack_controller.go:275 and trace back through Reconcile at line 178. Check the missing providerRef/noProvider error path and determine why handling or printing the error dereferences nil. Done means the same resource produces an error without panicking.

Vom Indexierungsmodell aus dem Issue-Text verfasst.

Beschreibung

Container

The CSO crashes with the following ClusterStack spec

apiVersion: clusterstack.x-k8s.io/v1alpha1                                                                             
kind: ClusterStack
metadata:
  name: scs-cluster-stack
  namespace: default
spec:
  provider: openstack
  name: scs
  kubernetesVersion: "1.27"
  channel: stable
  autoSubscribe: false
  versions:
    - v4

I think the missing providerRef is actually detected and the crash happens when printing the Error message, however i have not investigated deeply. The crashlog is:

{"level":"INFO","time":"2024-05-22T09:15:41.002Z","file":"controller/controller.go:115","message":"Observed a panic in reconciler: runtime error: invalid memory address or nil pointer dereference","controller":"clusterstack","controllerGroup":"clusterstack.x-k8s.io","controllerKind":"ClusterStack","ClusterStack":{"name":"scs-cluster-stack","namespace":"default"},"namespace":"default","name":"scs-cluster-stack","reconcileID":"66ffaad8-291e-43a7-aa54-d5ba5f5ce8f3"}
panic: runtime error: invalid memory address or nil pointer dereference [recovered]
	panic: runtime error: invalid memory address or nil pointer dereference
[signal SIGSEGV: segmentation violation code=0x1 addr=0x20 pc=0x19082d4]

goroutine 204 [running]:
sigs.k8s.io/controller-runtime/pkg/internal/controller.(*Controller).Reconcile.func1()
	/src/cluster-stack-operator/vendor/sigs.k8s.io/controller-runtime/pkg/internal/controller/controller.go:116 +0x1e5
panic({0x1b76920?, 0x313ed60?})
	/usr/local/go/src/runtime/panic.go:914 +0x21f
github.com/SovereignCloudStack/cluster-stack-operator/internal/controller.(*ClusterStackReconciler).createOrUpdateProviderClusterStackRelease(0xc00028fc00, {0x213be10, 0xc0006915c0}, {0xc0005a29f0, 0x15}, 0xc0003d2380)
	/src/cluster-stack-operator/internal/controller/clusterstack_controller.go:275 +0xf4
github.com/SovereignCloudStack/cluster-stack-operator/internal/controller.(*ClusterStackReconciler).Reconcile(0xc00028fc00, {0x213be10?, 0xc0006915c0}, {{{0xc0002e0796?, 0x5?}, {0xc0002440d8?, 0xc0004a1d48?}}})
	/src/cluster-stack-operator/internal/controller/clusterstack_controller.go:178 +0x1073
sigs.k8s.io/controller-runtime/pkg/internal/controller.(*Controller).Reconcile(0x213f928?, {0x213be10?, 0xc0006915c0?}, {{{0xc0002e0796?, 0xb?}, {0xc0002440d8?, 0x0?}}})
	/src/cluster-stack-operator/vendor/sigs.k8s.io/controller-runtime/pkg/internal/controller/controller.go:119 +0xb7
sigs.k8s.io/controller-runtime/pkg/internal/controller.(*Controller).reconcileHandler(0xc0004b4c80, {0x213be48, 0xc0003a6f00}, {0x1c5ec60?, 0xc0002230c0?})
	/src/cluster-stack-operator/vendor/sigs.k8s.io/controller-runtime/pkg/internal/controller/controller.go:316 +0x3cc
sigs.k8s.io/controller-runtime/pkg/internal/controller.(*Controller).processNextWorkItem(0xc0004b4c80, {0x213be48, 0xc0003a6f00})
	/src/cluster-stack-operator/vendor/sigs.k8s.io/controller-runtime/pkg/internal/controller/controller.go:266 +0x1c9
sigs.k8s.io/controller-runtime/pkg/internal/controller.(*Controller).Start.func2.2()
	/src/cluster-stack-operator/vendor/sigs.k8s.io/controller-runtime/pkg/internal/controller/controller.go:227 +0x79
created by sigs.k8s.io/controller-runtime/pkg/internal/controller.(*Controller).Start.func2 in goroutine 92
	/src/cluster-stack-operator/vendor/sigs.k8s.io/controller-runtime/pkg/internal/controller/controller.go:223 +0x565
Vorherrschende Sprache
Go
Sterne
18
Forks
4
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Entwicklungsumgebung

Erste Schritte

  1. Lesen Sie das ganze Issue und danach den Beitragsleitfaden des Projekts.
  2. Schreiben Sie ins Issue, dass Sie es übernehmen — das erspart doppelte Arbeit.
  3. Forken Sie das Repository und arbeiten Sie in einem Branch.
  4. Öffnen Sie einen Pull Request, der die Issue-Nummer nennt.

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