containerd/execution/statedir.go
Kenfe-Mickael Laventure c376fd45f6 Cleanup statedir a little
Signed-off-by: Kenfe-Mickael Laventure <mickael.laventure@gmail.com>
2016-12-09 11:20:31 -08:00

64 lines
1.3 KiB
Go

package execution
import (
"io/ioutil"
"os"
"path/filepath"
)
const processesDirName = "processes"
type StateDir string
func NewStateDir(root, id string) (StateDir, error) {
path := filepath.Join(root, id)
if err := os.Mkdir(path, 0700); err != nil {
return "", err
}
if err := os.Mkdir(StateDir(path).processesDir(), 0700); err != nil {
os.RemoveAll(path)
return "", err
}
return StateDir(path), nil
}
func (s StateDir) Delete() error {
return os.RemoveAll(string(s))
}
func (s StateDir) NewProcess() (id, dir string, err error) {
dir, err = ioutil.TempDir(s.processesDir(), "")
if err != nil {
return "", "", err
}
return filepath.Base(dir), dir, err
}
func (s StateDir) ProcessDir(id string) string {
return filepath.Join(s.processesDir(), id)
}
func (s StateDir) DeleteProcess(id string) error {
return os.RemoveAll(filepath.Join(s.processesDir(), id))
}
func (s StateDir) Processes() ([]string, error) {
procsDir := s.processesDir()
dirs, err := ioutil.ReadDir(procsDir)
if err != nil {
return nil, err
}
paths := make([]string, 0)
for _, d := range dirs {
if d.IsDir() {
paths = append(paths, filepath.Join(procsDir, d.Name()))
}
}
return paths, nil
}
func (s StateDir) processesDir() string {
return filepath.Join(string(s), processesDirName)
}