ssh.go

package main

import (
	"code.google.com/p/go.crypto/ssh"
	"fmt"
	"github.com/mitchellh/multistep"
)

func sshAddress(state multistep.StateBag) (string, error) {
	config := state.Get("config").(config)
	ipAddress := state.Get("server_ip").(string)
	return fmt.Sprintf("%s:%d", ipAddress, config.SSHPort), nil
}

func sshConfig(state multistep.StateBag) (*ssh.ClientConfig, error) {
	config := state.Get("config").(config)
  clientConfig := ssh.ClientConfig{User: config.SSHUsername}
  if (config.OsSnapshot == "" && config.IpxeUrl == "" ) {
    // default case where vultr generated the password
    password := state.Get("default_password").(string)
    clientConfig.Auth = []ssh.AuthMethod{ssh.Password(password),}
  } else if (config.SSHPassword != "") {
    // special case but we got a password
    clientConfig.Auth = []ssh.AuthMethod{ssh.Password(config.SSHPassword),}
  } else {
    // special case and we got a key
    signer, err := ssh.ParsePrivateKey([]byte(config.SSHPrivateKey))
  	if err != nil {
  		return nil, fmt.Errorf("Error setting up SSH config: %s", err)
  	}
    clientConfig.Auth = []ssh.AuthMethod{ssh.PublicKeys(signer),}
  }
	return &clientConfig, nil
}