mirror of
https://github.com/arangodb/kube-arangodb.git
synced 2024-12-14 11:57:37 +00:00
70 lines
2.1 KiB
Go
70 lines
2.1 KiB
Go
//
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// DISCLAIMER
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//
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// Copyright 2020 ArangoDB GmbH, Cologne, Germany
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//
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// Copyright holder is ArangoDB GmbH, Cologne, Germany
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//
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// Author Ewout Prangsma
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//
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package storage
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import (
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"context"
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"github.com/arangodb/kube-arangodb/pkg/util/errors"
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v1 "k8s.io/api/core/v1"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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)
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// inspectPVCs queries all PVC's and checks if there is a need to
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// build new persistent volumes.
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// Returns the PVC's that need a volume.
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func (ls *LocalStorage) inspectPVCs() ([]v1.PersistentVolumeClaim, error) {
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ns := ls.apiObject.GetNamespace()
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list, err := ls.deps.KubeCli.CoreV1().PersistentVolumeClaims(ns).List(context.Background(), metav1.ListOptions{})
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if err != nil {
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return nil, errors.WithStack(err)
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}
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spec := ls.apiObject.Spec
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var result []v1.PersistentVolumeClaim
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for _, pvc := range list.Items {
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if !pvcMatchesStorageClass(pvc, spec.StorageClass.Name, spec.StorageClass.IsDefault) {
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continue
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}
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if !pvcNeedsVolume(pvc) {
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continue
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}
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result = append(result, pvc)
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}
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return result, nil
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}
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// pvcMatchesStorageClass checks if the given pvc requests a volume
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// of the given storage class.
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func pvcMatchesStorageClass(pvc v1.PersistentVolumeClaim, storageClassName string, isDefault bool) bool {
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scn := pvc.Spec.StorageClassName
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if scn == nil {
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// No storage class specified, default is used
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return isDefault
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}
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return *scn == storageClassName
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}
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// pvcNeedsVolume checks if the given pvc is in need of a persistent volume.
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func pvcNeedsVolume(pvc v1.PersistentVolumeClaim) bool {
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return pvc.Status.Phase == v1.ClaimPending
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}
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