github.com/rahart/packer@v0.12.2-0.20161229105310-282bb6ad370f/builder/virtualbox/common/ssh.go (about)

     1  package common
     2  
     3  import (
     4  	"github.com/mitchellh/multistep"
     5  	commonssh "github.com/mitchellh/packer/common/ssh"
     6  	"github.com/mitchellh/packer/communicator/ssh"
     7  	gossh "golang.org/x/crypto/ssh"
     8  )
     9  
    10  func CommHost(host string) func(multistep.StateBag) (string, error) {
    11  	return func(state multistep.StateBag) (string, error) {
    12  		return host, nil
    13  	}
    14  }
    15  
    16  func SSHPort(state multistep.StateBag) (int, error) {
    17  	sshHostPort := state.Get("sshHostPort").(int)
    18  	return int(sshHostPort), nil
    19  }
    20  
    21  func SSHConfigFunc(config SSHConfig) func(multistep.StateBag) (*gossh.ClientConfig, error) {
    22  	return func(state multistep.StateBag) (*gossh.ClientConfig, error) {
    23  		auth := []gossh.AuthMethod{
    24  			gossh.Password(config.Comm.SSHPassword),
    25  			gossh.KeyboardInteractive(
    26  				ssh.PasswordKeyboardInteractive(config.Comm.SSHPassword)),
    27  		}
    28  
    29  		if config.Comm.SSHPrivateKey != "" {
    30  			signer, err := commonssh.FileSigner(config.Comm.SSHPrivateKey)
    31  			if err != nil {
    32  				return nil, err
    33  			}
    34  
    35  			auth = append(auth, gossh.PublicKeys(signer))
    36  		}
    37  
    38  		return &gossh.ClientConfig{
    39  			User: config.Comm.SSHUsername,
    40  			Auth: auth,
    41  		}, nil
    42  	}
    43  }