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
|
//go:build !windows
package cliconfig
import (
"context"
"fmt"
"os"
"path/filepath"
"time"
incus "github.com/lxc/incus/v6/client"
"github.com/lxc/incus/v6/shared/subprocess"
"github.com/lxc/incus/v6/shared/util"
)
func (c *Config) handleKeepAlive(remote Remote, name string, args *incus.ConnectionArgs) (incus.InstanceServer, error) {
// Create the socker directory if missing.
socketDir := filepath.Join(c.ConfigDir, "keepalive")
err := os.Mkdir(socketDir, 0o700)
if err != nil && !os.IsExist(err) {
return nil, err
}
// Attempt to use the existing socket.
socketPath := filepath.Join(socketDir, fmt.Sprintf("%s.socket", name))
d, err := incus.ConnectIncusUnix(socketPath, args)
if err != nil {
// Delete any existing sockets.
_ = os.Remove(socketPath)
// Spawn the proxy.
proc, err := subprocess.NewProcess("incus", []string{"remote", "proxy", name, socketPath, fmt.Sprintf("--timeout=%d", remote.KeepAlive)}, "", "")
if err != nil {
return nil, err
}
err = proc.Start(context.Background())
if err != nil {
return nil, err
}
// Try up to 10 times over 5s.
for i := 0; i < 10; i++ {
if util.PathExists(socketPath) {
break
}
time.Sleep(500 * time.Millisecond)
}
// Connect to the proxy.
d, err = incus.ConnectIncusUnix(socketPath, args)
if err != nil {
return nil, err
}
}
return d, nil
}
|
