96 lines
2.0 KiB
Go
96 lines
2.0 KiB
Go
package container
|
|
|
|
import (
|
|
"os"
|
|
|
|
"github.com/pkg/errors"
|
|
|
|
"github.com/hpcng/warewulf/internal/pkg/util"
|
|
"github.com/hpcng/warewulf/internal/pkg/wwlog"
|
|
)
|
|
|
|
func ValidName(name string) bool {
|
|
if !util.ValidString(name, "^[\\w\\-\\.\\:]+$") {
|
|
wwlog.Warn("VNFS name has illegal characters: %s", name)
|
|
return false
|
|
}
|
|
return true
|
|
}
|
|
|
|
func ListSources() ([]string, error) {
|
|
var ret []string
|
|
|
|
err := os.MkdirAll(SourceParentDir(), 0755)
|
|
if err != nil {
|
|
return ret, errors.New("Could not create VNFS source parent directory: " + SourceParentDir())
|
|
}
|
|
wwlog.Debug("Searching for VNFS Rootfs directories: %s", SourceParentDir())
|
|
|
|
sources, err := os.ReadDir(SourceParentDir())
|
|
if err != nil {
|
|
return ret, err
|
|
}
|
|
|
|
for _, source := range sources {
|
|
wwlog.Verbose("Found VNFS source: %s", source.Name())
|
|
|
|
if !ValidName(source.Name()) {
|
|
continue
|
|
}
|
|
|
|
if !ValidSource(source.Name()) {
|
|
continue
|
|
}
|
|
|
|
ret = append(ret, source.Name())
|
|
}
|
|
|
|
return ret, nil
|
|
}
|
|
|
|
func ValidSource(name string) bool {
|
|
fullPath := RootFsDir(name)
|
|
|
|
if !ValidName(name) {
|
|
return false
|
|
}
|
|
|
|
if !util.IsDir(fullPath) {
|
|
wwlog.Verbose("Location is not a VNFS source directory: %s", name)
|
|
return false
|
|
}
|
|
|
|
return true
|
|
}
|
|
|
|
/*
|
|
Delete the chroot of a container
|
|
*/
|
|
func DeleteSource(name string) error {
|
|
fullPath := SourceDir(name)
|
|
|
|
wwlog.Verbose("Removing path: %s", fullPath)
|
|
return os.RemoveAll(fullPath)
|
|
}
|
|
|
|
/*
|
|
Delete the image of a container
|
|
*/
|
|
func DeleteImage(name string) error {
|
|
imageFile := ImageFile(name)
|
|
if util.IsFile(imageFile) {
|
|
wwlog.Verbose("removing %s for container %s", imageFile, name)
|
|
errImg := os.Remove(imageFile)
|
|
wwlog.Verbose("removing %s for container %s", imageFile+".gz", name)
|
|
errGz := os.Remove(imageFile + ".gz")
|
|
if errImg != nil {
|
|
return errors.Errorf("Problems delete %s for container %s: %s\n", imageFile, name, errImg)
|
|
}
|
|
if errGz != nil {
|
|
return errors.Errorf("Problems delete %s for container %s: %s\n", imageFile+".gz", name, errGz)
|
|
}
|
|
return nil
|
|
}
|
|
return errors.Errorf("Image %s of container %s doesn't exist\n", imageFile, name)
|
|
}
|