packer-cn/builder/alicloud/ecs/alicloud_ssh_helper.go

48 lines
1.2 KiB
Go

package ecs
import (
"fmt"
"github.com/mitchellh/multistep"
packerssh "github.com/mitchellh/packer/communicator/ssh"
"golang.org/x/crypto/ssh"
)
type alicloudSSHHelper interface {
}
// SSHHost returns a function that can be given to the SSH communicator
func SSHHost(e alicloudSSHHelper, private bool) func(multistep.StateBag) (string, error) {
return func(state multistep.StateBag) (string, error) {
ipAddress := state.Get("ipaddress").(string)
return ipAddress, nil
}
}
func SSHConfig(useAgent bool, username, password string) func(multistep.StateBag) (*ssh.ClientConfig, error) {
return func(state multistep.StateBag) (*ssh.ClientConfig, error) {
privateKey, hasKey := state.GetOk("privateKey")
if hasKey {
signer, err := ssh.ParsePrivateKey([]byte(privateKey.(string)))
if err != nil {
return nil, fmt.Errorf("Error setting up SSH config: %s", err)
}
return &ssh.ClientConfig{
User: username,
Auth: []ssh.AuthMethod{
ssh.PublicKeys(signer),
},
}, nil
} else {
return &ssh.ClientConfig{
User: username,
Auth: []ssh.AuthMethod{
ssh.Password(password),
ssh.KeyboardInteractive(
packerssh.PasswordKeyboardInteractive(password)),
}}, nil
}
}
}