39 lines
988 B
Go
39 lines
988 B
Go
|
package main
|
||
|
|
|
||
|
|
import (
|
||
|
|
"encoding/json"
|
||
|
|
"os"
|
||
|
|
"path/filepath"
|
||
|
|
"time"
|
||
|
|
)
|
||
|
|
|
||
|
|
type checkpoint struct {
|
||
|
|
// Timestamp is the time that checkpoint happened
|
||
|
|
Created time.Time `json:"created"`
|
||
|
|
// Name is the name of the checkpoint
|
||
|
|
Name string `json:"name"`
|
||
|
|
// TCP checkpoints open tcp connections
|
||
|
|
TCP bool `json:"tcp"`
|
||
|
|
// UnixSockets persists unix sockets in the checkpoint
|
||
|
|
UnixSockets bool `json:"unixSockets"`
|
||
|
|
// Shell persists tty sessions in the checkpoint
|
||
|
|
Shell bool `json:"shell"`
|
||
|
|
// Exit exits the container after the checkpoint is finished
|
||
|
|
Exit bool `json:"exit"`
|
||
|
|
// EmptyNS tells CRIU not to restore a particular namespace
|
||
|
|
EmptyNS []string `json:"emptyNS,omitempty"`
|
||
|
|
}
|
||
|
|
|
||
|
|
func loadCheckpoint(checkpointPath string) (*checkpoint, error) {
|
||
|
|
f, err := os.Open(filepath.Join(checkpointPath, "config.json"))
|
||
|
|
if err != nil {
|
||
|
|
return nil, err
|
||
|
|
}
|
||
|
|
defer f.Close()
|
||
|
|
var cpt checkpoint
|
||
|
|
if err := json.NewDecoder(f).Decode(&cpt); err != nil {
|
||
|
|
return nil, err
|
||
|
|
}
|
||
|
|
return &cpt, nil
|
||
|
|
}
|