-
Notifications
You must be signed in to change notification settings - Fork 0
/
ssh.go
51 lines (49 loc) · 1.15 KB
/
ssh.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
package main
import (
"golang.org/x/crypto/ssh"
"golang.org/x/crypto/ssh/agent"
"os"
"net"
"log"
"strings"
)
func executeCmd(cmd string, machine *Machine) {
for i, user := range machine.PotentialUsers {
sock, err := net.Dial("unix", os.Getenv("SSH_AUTH_SOCK"))
if err != nil {
log.Fatal(err)
}
agent := agent.NewClient(sock)
signers, err := agent.Signers()
if err != nil {
log.Fatal(err)
}
auths := []ssh.AuthMethod{ssh.PublicKeys(signers...)}
cfg := &ssh.ClientConfig{
User: user,
Auth: auths,
}
cfg.SetDefaults()
client, errConnect := ssh.Dial("tcp", machine.DialAddr(), cfg)
if errConnect != nil {
authError := strings.Contains(errConnect.Error(), "unable to authenticate")
if authError && i <= (len(machine.PotentialUsers) - 1) {
continue
}
printState(machine.String(), errConnect.Error())
return
}
session, errSession := client.NewSession()
if errSession != nil {
printState(machine.String(), errSession.Error())
return
}
errRun := session.Run(cmd)
if errRun != nil {
printState(machine.String(), errRun.Error())
return
}
printState(machine.String(), "SUCCESS")
return
}
}