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kube-arangodb/pkg/deployment/cleanup.go

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//
// DISCLAIMER
//
// Copyright 2016-2024 ArangoDB GmbH, Cologne, Germany
//
// 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.
//
// Copyright holder is ArangoDB GmbH, Cologne, Germany
//
package deployment
import (
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"context"
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core "k8s.io/api/core/v1"
meta "k8s.io/apimachinery/pkg/apis/meta/v1"
"github.com/arangodb/kube-arangodb/pkg/util"
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"github.com/arangodb/kube-arangodb/pkg/util/constants"
"github.com/arangodb/kube-arangodb/pkg/util/globals"
"github.com/arangodb/kube-arangodb/pkg/util/k8sutil"
inspectorInterface "github.com/arangodb/kube-arangodb/pkg/util/k8sutil/inspector"
pvcv1 "github.com/arangodb/kube-arangodb/pkg/util/k8sutil/inspector/persistentvolumeclaim/v1"
podv1 "github.com/arangodb/kube-arangodb/pkg/util/k8sutil/inspector/pod/v1"
"github.com/arangodb/kube-arangodb/pkg/util/k8sutil/kerrors"
)
// removePodFinalizers removes all finalizers from all pods owned by us.
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func (d *Deployment) removePodFinalizers(ctx context.Context, cachedStatus inspectorInterface.Inspector) (bool, error) {
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log := d.sectionLogger("pod-finalizer")
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found := false
if err := cachedStatus.Pod().V1().Iterate(func(pod *core.Pod) error {
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log.Str("pod", pod.GetName()).Info("Removing Pod Finalizer")
if count, err := k8sutil.RemoveSelectedFinalizers[*core.Pod](ctx, cachedStatus.Pod().V1().Read(), cachedStatus.PodsModInterface().V1(), pod, constants.ManagedFinalizers(), true); err != nil {
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log.Err(err).Warn("Failed to remove pod finalizers")
return err
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} else if count > 0 {
found = true
}
ctxChild, cancel := globals.GetGlobalTimeouts().Kubernetes().WithTimeout(ctx)
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defer cancel()
if err := d.PodsModInterface().Delete(ctxChild, pod.GetName(), meta.DeleteOptions{
GracePeriodSeconds: util.NewType[int64](0),
}); err != nil {
if !kerrors.IsNotFound(err) {
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log.Err(err).Warn("Failed to remove pod")
return err
}
}
return nil
}, podv1.FilterPodsByLabels(k8sutil.LabelsForDeployment(d.GetName(), ""))); err != nil {
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return false, err
}
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return found, nil
}
// removePVCFinalizers removes all finalizers from all PVCs owned by us.
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func (d *Deployment) removePVCFinalizers(ctx context.Context, cachedStatus inspectorInterface.Inspector) (bool, error) {
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log := d.sectionLogger("pvc-finalizer")
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found := false
if err := cachedStatus.PersistentVolumeClaim().V1().Iterate(func(pvc *core.PersistentVolumeClaim) error {
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log.Str("pvc", pvc.GetName()).Info("Removing PVC Finalizer")
if count, err := k8sutil.RemoveSelectedFinalizers[*core.PersistentVolumeClaim](ctx, cachedStatus.PersistentVolumeClaim().V1().Read(), cachedStatus.PersistentVolumeClaimsModInterface().V1(), pvc, constants.ManagedFinalizers(), true); err != nil {
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log.Err(err).Warn("Failed to remove PVC finalizers")
return err
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} else if count > 0 {
found = true
}
return nil
}, pvcv1.FilterPersistentVolumeClaimsByLabels(k8sutil.LabelsForDeployment(d.GetName(), ""))); err != nil {
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return false, err
}
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return found, nil
}