packer-cn/builder/cloudstack/ssh.go

58 lines
1.5 KiB
Go

package cloudstack
import (
"fmt"
"io/ioutil"
packerssh "github.com/hashicorp/packer/communicator/ssh"
"github.com/mitchellh/multistep"
"github.com/xanzy/go-cloudstack/cloudstack"
"golang.org/x/crypto/ssh"
)
func commHost(state multistep.StateBag) (string, error) {
client := state.Get("client").(*cloudstack.CloudStackClient)
config := state.Get("config").(*Config)
if config.hostAddress == "" {
ipAddr, _, err := client.Address.GetPublicIpAddressByID(config.PublicIPAddress)
if err != nil {
return "", fmt.Errorf("Failed to retrieve IP address: %s", err)
}
config.hostAddress = ipAddr.Ipaddress
}
return config.hostAddress, nil
}
func sshConfig(state multistep.StateBag) (*ssh.ClientConfig, error) {
config := state.Get("config").(*Config)
clientConfig := &ssh.ClientConfig{
User: config.Comm.SSHUsername,
Auth: []ssh.AuthMethod{
ssh.Password(config.Comm.SSHPassword),
ssh.KeyboardInteractive(
packerssh.PasswordKeyboardInteractive(config.Comm.SSHPassword)),
},
HostKeyCallback: ssh.InsecureIgnoreHostKey(),
}
if config.Comm.SSHPrivateKey != "" {
privateKey, err := ioutil.ReadFile(config.Comm.SSHPrivateKey)
if err != nil {
return nil, fmt.Errorf("Error loading configured private key file: %s", err)
}
signer, err := ssh.ParsePrivateKey(privateKey)
if err != nil {
return nil, fmt.Errorf("Error setting up SSH config: %s", err)
}
clientConfig.Auth = []ssh.AuthMethod{ssh.PublicKeys(signer)}
}
return clientConfig, nil
}