mirror of
https://github.com/ceph/ceph-csi.git
synced 2024-11-17 20:00:23 +00:00
132 lines
3.0 KiB
Go
132 lines
3.0 KiB
Go
/*
|
|
Copyright 2018 The Kubernetes 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 cephfs
|
|
|
|
import (
|
|
"bytes"
|
|
"encoding/json"
|
|
"fmt"
|
|
"os/exec"
|
|
|
|
"google.golang.org/grpc/codes"
|
|
"google.golang.org/grpc/status"
|
|
|
|
"k8s.io/kubernetes/pkg/util/keymutex"
|
|
"k8s.io/kubernetes/pkg/util/mount"
|
|
)
|
|
|
|
func execCommand(command string, args ...string) ([]byte, error) {
|
|
cmd := exec.Command(command, args...)
|
|
return cmd.CombinedOutput()
|
|
}
|
|
|
|
func execCommandAndValidate(program string, args ...string) error {
|
|
out, err := execCommand(program, args...)
|
|
if err != nil {
|
|
return fmt.Errorf("cephfs: %s failed with following error: %s\ncephfs: %s output: %s", program, err, program, out)
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
func execCommandJson(v interface{}, program string, args ...string) error {
|
|
cmd := exec.Command(program, args...)
|
|
out, err := cmd.CombinedOutput()
|
|
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
return json.NewDecoder(bytes.NewReader(out)).Decode(v)
|
|
}
|
|
|
|
func isMountPoint(p string) (bool, error) {
|
|
notMnt, err := mount.New("").IsLikelyNotMountPoint(p)
|
|
if err != nil {
|
|
return false, status.Error(codes.Internal, err.Error())
|
|
}
|
|
|
|
return !notMnt, nil
|
|
}
|
|
|
|
func tryLock(id string, mtx keymutex.KeyMutex, name string) error {
|
|
// TODO uncomment this once TryLockKey gets into Kubernetes
|
|
/*
|
|
if !mtx.TryLockKey(id) {
|
|
msg := fmt.Sprintf("%s has a pending operation on %s", name, req.GetVolumeId())
|
|
glog.Infoln(msg)
|
|
|
|
return status.Error(codes.Aborted, msg)
|
|
}
|
|
*/
|
|
|
|
return nil
|
|
}
|
|
|
|
func storeCephUserCredentials(volUuid string, cr *credentials, volOptions *volumeOptions) error {
|
|
keyringData := cephKeyringData{
|
|
UserId: cr.id,
|
|
Key: cr.key,
|
|
RootPath: volOptions.RootPath,
|
|
}
|
|
|
|
if volOptions.ProvisionVolume {
|
|
keyringData.Pool = volOptions.Pool
|
|
keyringData.Namespace = getVolumeNamespace(volUuid)
|
|
}
|
|
|
|
return storeCephCredentials(cr, &keyringData)
|
|
}
|
|
|
|
func storeCephAdminCredentials(cr *credentials) error {
|
|
return storeCephCredentials(cr, &cephFullCapsKeyringData{UserId: cr.id, Key: cr.key})
|
|
}
|
|
|
|
func storeCephCredentials(cr *credentials, keyringData cephConfigWriter) error {
|
|
if err := keyringData.writeToFile(); err != nil {
|
|
return err
|
|
}
|
|
|
|
secret := cephSecretData{
|
|
UserId: cr.id,
|
|
Key: cr.key,
|
|
}
|
|
|
|
if err := secret.writeToFile(); err != nil {
|
|
return err
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
func newMounter(volOptions *volumeOptions) volumeMounter {
|
|
mounter := volOptions.Mounter
|
|
|
|
if mounter == "" {
|
|
mounter = DefaultVolumeMounter
|
|
}
|
|
|
|
switch mounter {
|
|
case volumeMounter_fuse:
|
|
return &fuseMounter{}
|
|
case volumeMounter_kernel:
|
|
return &kernelMounter{}
|
|
}
|
|
|
|
return nil
|
|
}
|