github.com/askholme/packer@v0.7.2-0.20140924152349-70d9566a6852/builder/googlecompute/ssh.go (about)

     1  package googlecompute
     2  
     3  import (
     4  	"code.google.com/p/go.crypto/ssh"
     5  	"fmt"
     6  	"github.com/mitchellh/multistep"
     7  )
     8  
     9  // sshAddress returns the ssh address.
    10  func sshAddress(state multistep.StateBag) (string, error) {
    11  	config := state.Get("config").(*Config)
    12  	ipAddress := state.Get("instance_ip").(string)
    13  	return fmt.Sprintf("%s:%d", ipAddress, config.SSHPort), nil
    14  }
    15  
    16  // sshConfig returns the ssh configuration.
    17  func sshConfig(state multistep.StateBag) (*ssh.ClientConfig, error) {
    18  	config := state.Get("config").(*Config)
    19  	privateKey := state.Get("ssh_private_key").(string)
    20  
    21  	signer, err := ssh.ParsePrivateKey([]byte(privateKey))
    22  	if err != nil {
    23  		return nil, fmt.Errorf("Error setting up SSH config: %s", err)
    24  	}
    25  
    26  	return &ssh.ClientConfig{
    27  		User: config.SSHUsername,
    28  		Auth: []ssh.AuthMethod{
    29  			ssh.PublicKeys(signer),
    30  		},
    31  	}, nil
    32  }