forked from canonical/lxd
/
restore.go
61 lines (46 loc) · 1.29 KB
/
restore.go
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package main
import (
"fmt"
"github.com/lxc/lxd"
"github.com/lxc/lxd/shared"
"github.com/lxc/lxd/shared/gnuflag"
"github.com/lxc/lxd/shared/i18n"
)
type restoreCmd struct {
stateful bool
}
func (c *restoreCmd) showByDefault() bool {
return true
}
func (c *restoreCmd) usage() string {
return i18n.G(
`Set the current state of a container back to a snapshot.
lxc restore [remote:]<container> <snapshot name> [--stateful]
Restores a container from a snapshot (optionally with running state, see
snapshot help for details).
For example:
lxc snapshot u1 snap0 # create the snapshot
lxc restore u1 snap0 # restore the snapshot`)
}
func (c *restoreCmd) flags() {
gnuflag.BoolVar(&c.stateful, "stateful", false, i18n.G("Whether or not to restore the container's running state from snapshot (if available)"))
}
func (c *restoreCmd) run(config *lxd.Config, args []string) error {
if len(args) < 2 {
return errArgs
}
var snapname = args[1]
remote, name := config.ParseRemoteAndContainer(args[0])
d, err := lxd.NewClient(config, remote)
if err != nil {
return err
}
if !shared.IsSnapshot(snapname) {
snapname = fmt.Sprintf("%s/%s", name, snapname)
}
resp, err := d.RestoreSnapshot(name, snapname, c.stateful)
if err != nil {
return err
}
return d.WaitForSuccess(resp.Operation)
}