containerd/execution/statedir.go

60 lines
1.2 KiB
Go

package execution
import (
"io/ioutil"
"os"
"path/filepath"
)
const processesDir = "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(filepath.Join(path, processesDir), 0700); err != nil {
os.RemoveAll(path)
return "", err
}
return StateDir(path), err
}
func (s StateDir) Delete() error {
return os.RemoveAll(string(s))
}
func (s StateDir) NewProcess() (string, error) {
return ioutil.TempDir(s.processDir(), "")
}
func (s StateDir) ProcessDir(id string) string {
return filepath.Join(string(s), id)
}
func (s StateDir) DeleteProcess(id string) error {
return os.RemoveAll(filepath.Join(s.processDir(), id))
}
func (s StateDir) Processes() ([]string, error) {
procsDir := s.processDir()
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) processDir() string {
return filepath.Join(string(s), processesDir)
}