/
main_migratedumpsuccess.go
83 lines (64 loc) · 1.53 KB
/
main_migratedumpsuccess.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
package main
import (
"fmt"
"os"
"strings"
"github.com/spf13/cobra"
"github.com/canonical/lxd/client"
"github.com/canonical/lxd/shared/api"
)
type cmdMigratedumpsuccess struct {
global *cmdGlobal
}
func (c *cmdMigratedumpsuccess) Command() *cobra.Command {
cmd := &cobra.Command{}
cmd.Use = "migratedumpsuccess <operation> <secret>"
cmd.Short = "Tell LXD that a particular CRIU dump succeeded"
cmd.Long = `Description:
Tell LXD that a particular CRIU dump succeeded
This internal command is used from the CRIU dump script and is
called as soon as the script is done running.
`
cmd.RunE = c.Run
cmd.Hidden = true
return cmd
}
func (c *cmdMigratedumpsuccess) Run(cmd *cobra.Command, args []string) error {
// Quick checks.
if len(args) < 2 {
_ = cmd.Help()
if len(args) == 0 {
return nil
}
return fmt.Errorf("Missing required arguments")
}
// Only root should run this
if os.Geteuid() != 0 {
return fmt.Errorf("This must be run as root")
}
lxdArgs := lxd.ConnectionArgs{
SkipGetServer: true,
}
d, err := lxd.ConnectLXDUnix("", &lxdArgs)
if err != nil {
return err
}
url := fmt.Sprintf("%s/websocket?secret=%s", strings.TrimPrefix(args[0], "/1.0"), args[1])
conn, err := d.RawWebsocket(url)
if err != nil {
return err
}
_ = conn.Close()
resp, _, err := d.RawQuery("GET", fmt.Sprintf("%s/wait", args[0]), nil, "")
if err != nil {
return err
}
op, err := resp.MetadataAsOperation()
if err != nil {
return err
}
if op.StatusCode == api.Success {
return nil
}
return fmt.Errorf(op.Err)
}