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Delete EmptyDir volume directly instead of renaming the directory.

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The volume operation executor can handle duplicate requests on the same
volume now.
This commit is contained in:
Michelle Au 2017-03-30 15:06:25 -07:00
parent d2d84da071
commit d223c4be37
2 changed files with 3 additions and 104 deletions
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8
pkg/volume/empty_dir/empty_dir.go
View File

@ -329,11 +329,9 @@ func (ed *emptyDir) TearDownAt(dir string) error {
}
func (ed *emptyDir) teardownDefault(dir string) error {
tmpDir, err := volume.RenameDirectory(dir, ed.volName+".deleting~")
if err != nil {
return err
}
err = os.RemoveAll(tmpDir)
// Renaming the directory is not required anymore because the operation executor
// now handles duplicate operations on the same volume
err := os.RemoveAll(dir)
if err != nil {
return err
}

99
pkg/volume/volume.go
View File

@ -17,14 +17,8 @@ limitations under the License.
package volume
import (
"io"
"io/ioutil"
"os"
filepath "path/filepath"
"runtime"
"time"
"github.com/golang/glog"
"k8s.io/apimachinery/pkg/api/resource"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/types"
@ -234,96 +228,3 @@ func IsDeletedVolumeInUse(err error) bool {
func (err deletedVolumeInUseError) Error() string {
return string(err)
}
func RenameDirectory(oldPath, newName string) (string, error) {
newPath, err := ioutil.TempDir(filepath.Dir(oldPath), newName)
if err != nil {
return "", err
}
// os.Rename call fails on windows (https://github.com/golang/go/issues/14527)
// Replacing with copyFolder to the newPath and deleting the oldPath directory
if runtime.GOOS == "windows" {
err = copyFolder(oldPath, newPath)
if err != nil {
glog.Errorf("Error copying folder from: %s to: %s with error: %v", oldPath, newPath, err)
return "", err
}
os.RemoveAll(oldPath)
return newPath, nil
}
err = os.Rename(oldPath, newPath)
if err != nil {
return "", err
}
return newPath, nil
}
func copyFolder(source string, dest string) (err error) {
fi, err := os.Lstat(source)
if err != nil {
glog.Errorf("Error getting stats for %s. %v", source, err)
return err
}
err = os.MkdirAll(dest, fi.Mode())
if err != nil {
glog.Errorf("Unable to create %s directory %v", dest, err)
}
directory, _ := os.Open(source)
defer directory.Close()
objects, err := directory.Readdir(-1)
for _, obj := range objects {
if obj.Mode()&os.ModeSymlink != 0 {
continue
}
sourceFilePointer := source + "\\" + obj.Name()
destinationFilePointer := dest + "\\" + obj.Name()
if obj.IsDir() {
err = copyFolder(sourceFilePointer, destinationFilePointer)
if err != nil {
return err
}
} else {
err = copyFile(sourceFilePointer, destinationFilePointer)
if err != nil {
return err
}
}
}
return
}
func copyFile(source string, dest string) (err error) {
sourceFile, err := os.Open(source)
if err != nil {
return err
}
defer sourceFile.Close()
destFile, err := os.Create(dest)
if err != nil {
return err
}
defer destFile.Close()
_, err = io.Copy(destFile, sourceFile)
if err == nil {
sourceInfo, err := os.Stat(source)
if err != nil {
err = os.Chmod(dest, sourceInfo.Mode())
}
}
return
}