github.com/rahart/packer@v0.12.2-0.20161229105310-282bb6ad370f/builder/googlecompute/ssh.go (about) 1 package googlecompute 2 3 import ( 4 "fmt" 5 6 "github.com/mitchellh/multistep" 7 "golang.org/x/crypto/ssh" 8 ) 9 10 func commHost(state multistep.StateBag) (string, error) { 11 ipAddress := state.Get("instance_ip").(string) 12 return ipAddress, nil 13 } 14 15 // sshConfig returns the ssh configuration. 16 func sshConfig(state multistep.StateBag) (*ssh.ClientConfig, error) { 17 config := state.Get("config").(*Config) 18 privateKey := state.Get("ssh_private_key").(string) 19 20 signer, err := ssh.ParsePrivateKey([]byte(privateKey)) 21 if err != nil { 22 return nil, fmt.Errorf("Error setting up SSH config: %s", err) 23 } 24 25 return &ssh.ClientConfig{ 26 User: config.Comm.SSHUsername, 27 Auth: []ssh.AuthMethod{ 28 ssh.PublicKeys(signer), 29 }, 30 }, nil 31 }