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* Cleanup stale objects Signed-off-by: Artiom Diomin <[email protected]> * Post-review changes Signed-off-by: Artiom Diomin <[email protected]> --------- Signed-off-by: Artiom Diomin <[email protected]>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,130 @@ | ||
| /* | ||
| Copyright 2025 The KubeOne Authors. | ||
| Licensed under the Apache License, Version 2.0 (the "License"); | ||
| you may not use this file except in compliance with the License. | ||
| You may obtain a copy of the License at | ||
| http://www.apache.org/licenses/LICENSE-2.0 | ||
| Unless required by applicable law or agreed to in writing, software | ||
| distributed under the License is distributed on an "AS IS" BASIS, | ||
| WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| See the License for the specific language governing permissions and | ||
| limitations under the License. | ||
| */ | ||
|
|
||
| package tasks | ||
|
|
||
| import ( | ||
| "maps" | ||
|
|
||
| "k8c.io/kubeone/pkg/fail" | ||
| "k8c.io/kubeone/pkg/state" | ||
|
|
||
| rbacv1 "k8s.io/api/rbac/v1" | ||
| apierrors "k8s.io/apimachinery/pkg/api/errors" | ||
| metav1 "k8s.io/apimachinery/pkg/apis/meta/v1" | ||
| metav1unstructured "k8s.io/apimachinery/pkg/apis/meta/v1/unstructured" | ||
| crclient "sigs.k8s.io/controller-runtime/pkg/client" | ||
| ) | ||
|
|
||
| func cleanupStaleObjects(st *state.State) error { | ||
| st.Logger.Infoln("Cleanup stale objects...") | ||
|
|
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| var cleanupObjects []crclient.Object | ||
| cleanupObjects = append(cleanupObjects, kuredObjects()...) | ||
|
|
||
| NextObject: | ||
| for _, obj := range cleanupObjects { | ||
| originalLabels := maps.Clone(obj.GetLabels()) | ||
| obj.SetLabels(map[string]string{}) | ||
|
|
||
| err := st.DynamicClient.Get(st.Context, crclient.ObjectKeyFromObject(obj), obj) | ||
| switch { | ||
| case apierrors.IsNotFound(err): | ||
| continue NextObject | ||
| case err != nil: | ||
| return fail.KubeClient(err, "checking stale object %s %q", obj.GetObjectKind().GroupVersionKind().String(), crclient.ObjectKeyFromObject(obj)) | ||
| } | ||
|
|
||
| realLabels := obj.GetLabels() | ||
|
|
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| // compare requested labels to the real of, if not match -> let the object live | ||
| for cleanupKey, cleanupValue := range originalLabels { | ||
| if val, ok := realLabels[cleanupKey]; !ok || val != cleanupValue { | ||
| st.Logger.Debugf("skip deleting object as labels are different: %s %q", obj.GetObjectKind().GroupVersionKind().String(), crclient.ObjectKeyFromObject(obj)) | ||
|
|
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| continue NextObject | ||
| } | ||
| } | ||
|
|
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| if err := st.DynamicClient.Delete(st.Context, obj); crclient.IgnoreNotFound(err) != nil { | ||
| return fail.KubeClient(err, "deleting stale object %s %q", obj.GetObjectKind().GroupVersionKind().String(), crclient.ObjectKeyFromObject(obj)) | ||
| } | ||
|
|
||
| st.Logger.Debugf("deleted stale object %s %q", obj.GetObjectKind().GroupVersionKind().String(), crclient.ObjectKeyFromObject(obj)) | ||
| } | ||
|
|
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| return nil | ||
| } | ||
|
|
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| func kuredObjects() []crclient.Object { | ||
| labels := map[string]string{"kubeone.io/addon": "unattended-upgrades"} | ||
| unstructuredLabels := withLabels(labels) | ||
|
|
||
| cleanupObjects := []crclient.Object{ | ||
| &rbacv1.ClusterRole{ | ||
| ObjectMeta: metav1.ObjectMeta{ | ||
| Name: "kured", | ||
| Labels: labels, | ||
| }, | ||
| }, | ||
| newUnstructured( | ||
| "rbac.authorization.k8s.io/v1", | ||
| "ClusterRoleBinding", | ||
| crclient.ObjectKey{Name: "kured"}, | ||
| unstructuredLabels, | ||
| ), | ||
| newUnstructured( | ||
| "rbac.authorization.k8s.io/v1", | ||
| "Role", | ||
| crclient.ObjectKey{Name: "kured", Namespace: "kube-system"}, | ||
| unstructuredLabels, | ||
| ), | ||
| newUnstructured( | ||
| "rbac.authorization.k8s.io/v1", | ||
| "RoleBinding", | ||
| crclient.ObjectKey{Name: "kured", Namespace: "kube-system"}, | ||
| unstructuredLabels, | ||
| ), | ||
| newUnstructured( | ||
| "v1", | ||
| "ServiceAccount", | ||
| crclient.ObjectKey{Name: "kured", Namespace: "kube-system"}, | ||
| unstructuredLabels, | ||
| ), | ||
| } | ||
|
|
||
| return cleanupObjects | ||
| } | ||
|
|
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| func newUnstructured(apiVersion string, kind string, identity crclient.ObjectKey, opts ...func(*metav1unstructured.Unstructured)) crclient.Object { | ||
| obj := &metav1unstructured.Unstructured{} | ||
| obj.SetAPIVersion(apiVersion) | ||
| obj.SetKind(kind) | ||
| obj.SetName(identity.Name) | ||
| obj.SetNamespace(identity.Namespace) | ||
|
|
||
| for _, opt := range opts { | ||
| opt(obj) | ||
| } | ||
|
|
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| return obj | ||
| } | ||
|
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| func withLabels(labels map[string]string) func(*metav1unstructured.Unstructured) { | ||
| return func(u *metav1unstructured.Unstructured) { | ||
| u.SetLabels(labels) | ||
| } | ||
| } |
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