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persistentvolume.go
64 lines (58 loc) · 1.94 KB
/
persistentvolume.go
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// Copyright (c) 2021 Terminus, Inc.
//
// 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 k8s
import (
"strings"
"github.com/sirupsen/logrus"
"github.com/erda-project/erda/apistructs"
"github.com/erda-project/erda/pkg/strutil"
)
func (k *Kubernetes) DeletePV(sg *apistructs.ServiceGroup) error {
if !IsGroupStateful(sg) {
return nil
}
// todo:
for _, service := range sg.Services {
for _, bind := range service.Binds {
hostPath := bind.HostPath
// Find local disk
if strings.HasPrefix(hostPath, "/") || len(hostPath) == 0 {
continue
}
// todo: The pv name rule is uniformly produced by a certain function
pvName := strutil.Concat("lp-", sg.ID, "-")
if len(hostPath) > 8 {
pvName = strutil.Concat(pvName, hostPath[:8])
} else {
pvName = strutil.Concat(pvName, hostPath)
}
// todo: Confirm that the PV is bound to the corresponding PVC of the service under the runtime
list, err := k.pv.List(pvName)
if err != nil {
logrus.Errorf("failed to list pv, runtime: %s, pv: %s, (%v)", sg.ID, pvName, err)
continue
}
for i := range list.Items {
if !strings.HasPrefix(list.Items[i].Name, pvName) {
continue
}
logrus.Infof("succeed to got pvName: %s, phase: %v", list.Items[i].Name, list.Items[i].Status.Phase)
if err := k.pv.Delete(list.Items[i].Name); err != nil {
logrus.Errorf("failed to delete pv name: %s, (%v)", list.Items[i].Name, err)
}
}
}
}
return nil
}