/
delete.go
69 lines (58 loc) · 2.24 KB
/
delete.go
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// Copyright (c) 2021 Terminus, Inc.
//
// This program is free software: you can use, redistribute, and/or modify
// it under the terms of the GNU Affero General Public License, version 3
// or later ("AGPL"), as published by the Free Software Foundation.
//
// This program is distributed in the hope that it will be useful, but WITHOUT
// ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
// FITNESS FOR A PARTICULAR PURPOSE.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
package localvolume
import (
"context"
"fmt"
"strings"
"github.com/sirupsen/logrus"
v1 "k8s.io/api/core/v1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"github.com/erda-project/erda/pkg/strutil"
)
func (p *localVolumeProvisioner) Delete(ctx context.Context, pv *v1.PersistentVolume) error {
var selectNodeName string
logrus.Infof("Start deleting volume: namespace: %s, pvname: %v", pv.Namespace, pv.Name)
nodeListOption, err := genListOptionFromNodeAffinity(pv.Spec.NodeAffinity)
if err != nil {
logrus.Error(err)
return err
}
if values := strings.Split(nodeListOption.LabelSelector, "="); len(values) == 2 {
selectNodeName = values[1]
}
if p.lvpConfig.ModeEdge {
if selectNodeName != p.lvpConfig.NodeName {
return nil
}
return p.cmdExecutor.OnLocal(fmt.Sprintf("rm -rf %s || true",
strutil.JoinPath("/hostfs", pv.Spec.PersistentVolumeSource.Local.Path)))
}
return p.cmdExecutor.OnNodesPods(fmt.Sprintf("rm -rf %s || true",
strutil.JoinPath("/hostfs", pv.Spec.PersistentVolumeSource.Local.Path)),
nodeListOption, metav1.ListOptions{LabelSelector: p.lvpConfig.MatchLabel})
}
func genListOptionFromNodeAffinity(affinity *v1.VolumeNodeAffinity) (metav1.ListOptions, error) {
for _, t := range affinity.Required.NodeSelectorTerms {
for _, expr := range t.MatchExpressions {
if expr.Key == "kubernetes.io/hostname" &&
expr.Operator == v1.NodeSelectorOpIn &&
len(expr.Values) == 1 {
return metav1.ListOptions{
LabelSelector: fmt.Sprintf("kubernetes.io/hostname=%s", expr.Values[0]),
}, nil
}
}
}
return metav1.ListOptions{}, fmt.Errorf("failed to generate ListOption from VolumeNodeAffinity: %v", affinity)
}