restic/snapshot.go

65 lines
1.1 KiB
Go
Raw Normal View History

2014-08-04 18:47:04 +00:00
package khepri
import (
2014-08-11 20:47:24 +00:00
"fmt"
2014-08-04 18:47:04 +00:00
"os"
"os/user"
2014-09-23 20:39:12 +00:00
"path/filepath"
2014-08-04 18:47:04 +00:00
"time"
2014-09-23 20:39:12 +00:00
"github.com/fd0/khepri/backend"
2014-08-04 18:47:04 +00:00
)
type Snapshot struct {
2014-11-21 20:21:44 +00:00
Time time.Time `json:"time"`
Content backend.ID `json:"content"`
BlobList *BlobList `json:"blobs"`
Dir string `json:"dir"`
Hostname string `json:"hostname,omitempty"`
Username string `json:"username,omitempty"`
UID string `json:"uid,omitempty"`
GID string `json:"gid,omitempty"`
2014-09-23 20:39:12 +00:00
id backend.ID // plaintext ID, used during restore
2014-08-04 18:47:04 +00:00
}
2014-08-04 20:46:14 +00:00
func NewSnapshot(dir string) *Snapshot {
2014-09-23 20:39:12 +00:00
d, err := filepath.Abs(dir)
if err != nil {
d = dir
}
2014-08-04 18:47:04 +00:00
sn := &Snapshot{
2014-09-23 20:39:12 +00:00
Dir: d,
2014-08-04 18:47:04 +00:00
Time: time.Now(),
}
hn, err := os.Hostname()
if err == nil {
sn.Hostname = hn
}
usr, err := user.Current()
if err == nil {
sn.Username = usr.Username
sn.UID = usr.Uid
sn.GID = usr.Gid
}
return sn
}
2014-09-23 20:39:12 +00:00
func LoadSnapshot(ch *ContentHandler, id backend.ID) (*Snapshot, error) {
2014-08-04 20:46:14 +00:00
sn := &Snapshot{}
2014-09-23 20:39:12 +00:00
err := ch.LoadJSON(backend.Snapshot, id, sn)
2014-08-04 20:46:14 +00:00
if err != nil {
return nil, err
}
return sn, nil
2014-08-04 18:47:04 +00:00
}
2014-08-11 20:47:24 +00:00
func (sn *Snapshot) String() string {
2014-09-23 20:39:12 +00:00
return fmt.Sprintf("<Snapshot %q at %s>", sn.Dir, sn.Time)
2014-08-11 20:47:24 +00:00
}