package scaleway import ( "fmt" "net" "os" packerssh "github.com/hashicorp/packer/communicator/ssh" "github.com/hashicorp/packer/helper/multistep" "golang.org/x/crypto/ssh" "golang.org/x/crypto/ssh/agent" ) func commHost(state multistep.StateBag) (string, error) { ipAddress := state.Get("server_ip").(string) return ipAddress, nil } func sshConfig(state multistep.StateBag) (*ssh.ClientConfig, error) { config := state.Get("config").(Config) var privateKey string var auth []ssh.AuthMethod if config.Comm.SSHAgentAuth { authSock := os.Getenv("SSH_AUTH_SOCK") if authSock == "" { return nil, fmt.Errorf("SSH_AUTH_SOCK is not set") } sshAgent, err := net.Dial("unix", authSock) if err != nil { return nil, fmt.Errorf("Cannot connect to SSH Agent socket %q: %s", authSock, err) } auth = []ssh.AuthMethod{ ssh.PublicKeysCallback(agent.NewClient(sshAgent).Signers), } } if config.Comm.SSHPassword != "" { auth = append(auth, ssh.Password(config.Comm.SSHPassword), ssh.KeyboardInteractive( packerssh.PasswordKeyboardInteractive(config.Comm.SSHPassword)), ) } if config.Comm.SSHPrivateKey != "" { if priv, ok := state.GetOk("privateKey"); ok { privateKey = priv.(string) } signer, err := ssh.ParsePrivateKey([]byte(privateKey)) if err != nil { return nil, fmt.Errorf("Error setting up SSH config: %s", err) } auth = append(auth, ssh.PublicKeys(signer)) } return &ssh.ClientConfig{ User: config.Comm.SSHUsername, Auth: auth, HostKeyCallback: ssh.InsecureIgnoreHostKey(), }, nil }