packer-cn/communicator/ssh/connect_test.go

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package ssh_test
import (
"bytes"
"fmt"
"log"
"os"
"os/user"
"testing"
"time"
helperssh "github.com/hashicorp/packer/helper/ssh"
"golang.org/x/crypto/ssh"
)
func getIdentityCertFile() (certSigner ssh.Signer, err error) {
usr, _ := user.Current()
privateKeyFile := usr.HomeDir + "/.ssh/id_ed25519"
certificateFile := usr.HomeDir + "/.ssh/id_ed25519-cert.pub"
return helperssh.FileSignerWithCert(privateKeyFile, certificateFile)
}
func TestConnectFunc(t *testing.T) {
{
if os.Getenv("PACKER_ACC") == "" {
t.Skip("This test is only run with PACKER_ACC=1")
}
const host = "mybastionhost.com:2222"
certSigner, err := getIdentityCertFile()
if err != nil {
panic(fmt.Errorf("we have an error %v", err))
}
publicKeys := ssh.PublicKeys(certSigner)
usr, _ := user.Current()
config := &ssh.ClientConfig{
User: usr.Username,
Auth: []ssh.AuthMethod{
publicKeys,
},
HostKeyCallback: ssh.InsecureIgnoreHostKey(),
Timeout: 30 * time.Second,
}
println("Dialing", config.User)
connection, err := ssh.Dial("tcp", host, config)
if err != nil {
log.Fatal("Failed to dial ", err)
return
}
session, err := connection.NewSession()
if err != nil {
log.Fatal("Failed to create session: ", err)
return
}
defer session.Close()
var stdoutBuf bytes.Buffer
session.Stdout = &stdoutBuf
err = session.Run("ls")
if err != nil {
log.Fatal("Failed to ls")
}
fmt.Println(stdoutBuf.String())
}
}