helper/communicator: WinRM stuff

communicator/winrm/communicator.go

@@ -4,6 +4,7 @@ import (
 	"fmt"
 	"io"
 	"log"
+	"os"
 
 	"github.com/masterzen/winrm/winrm"
 	"github.com/mitchellh/packer/packer"
@@ -92,7 +93,7 @@ func runCommand(shell *winrm.Shell, cmd *winrm.Command, rc *packer.RemoteCmd) {
 }
 
 // Upload implementation of communicator.Communicator interface
-func (c *Communicator) Upload(path string, input io.Reader) error {
+func (c *Communicator) Upload(path string, input io.Reader, _ *os.FileInfo) error {
 	wcp, err := c.newCopyClient()
 	if err != nil {
 		return err
@@ -101,13 +102,8 @@ func (c *Communicator) Upload(path string, input io.Reader) error {
 	return wcp.Write(path, input)
 }
 
-// UploadScript implementation of communicator.Communicator interface
-func (c *Communicator) UploadScript(path string, input io.Reader) error {
-	return c.Upload(path, input)
-}
-
 // UploadDir implementation of communicator.Communicator interface
-func (c *Communicator) UploadDir(dst string, src string) error {
+func (c *Communicator) UploadDir(dst string, src string, exclude []string) error {
 	log.Printf("Uploading dir '%s' to '%s'", src, dst)
 	wcp, err := c.newCopyClient()
 	if err != nil {
@@ -116,6 +112,10 @@ func (c *Communicator) UploadDir(dst string, src string) error {
 	return wcp.Copy(src, dst)
 }
 
+func (c *Communicator) Download(src string, dst io.Writer) error {
+	panic("download not implemented")
+}
+
 func (c *Communicator) newCopyClient() (*winrmcp.Winrmcp, error) {
 	addr := fmt.Sprintf("%s:%d", c.endpoint.Host, c.endpoint.Port)
 	return winrmcp.New(addr, &winrmcp.Config{

helper/communicator/config.go

@@ -12,7 +12,9 @@ import (
 // Config is the common configuration that communicators allow within
 // a builder.
 type Config struct {
-	Type          string        `mapstructure:"communicator"`
+	Type string `mapstructure:"communicator"`
+
+	// SSH
 	SSHHost       string        `mapstructure:"ssh_host"`
 	SSHPort       int           `mapstructure:"ssh_port"`
 	SSHUsername   string        `mapstructure:"ssh_username"`
@@ -20,6 +22,13 @@ type Config struct {
 	SSHPrivateKey string        `mapstructure:"ssh_private_key_file"`
 	SSHPty        bool          `mapstructure:"ssh_pty"`
 	SSHTimeout    time.Duration `mapstructure:"ssh_timeout"`
+
+	// WinRM
+	WinRMUser     string        `mapstructure:"winrm_username"`
+	WinRMPassword string        `mapstructure:"winrm_password"`
+	WinRMHost     string        `mapstructure:"winrm_host"`
+	WinRMPort     int           `mapstructure:"winrm_port"`
+	WinRMTimeout  time.Duration `mapstructure:"winrm_timeout"`
 }
 
 func (c *Config) Prepare(ctx *interpolate.Context) []error {
@@ -27,6 +36,22 @@ func (c *Config) Prepare(ctx *interpolate.Context) []error {
 		c.Type = "ssh"
 	}
 
+	var errs []error
+	switch c.Type {
+	case "ssh":
+		if es := c.prepareSSH(ctx); len(es) > 0 {
+			errs = append(errs, es...)
+		}
+	case "winrm":
+		if es := c.prepareWinRM(ctx); len(es) > 0 {
+			errs = append(errs, es...)
+		}
+	}
+
+	return errs
+}
+
+func (c *Config) prepareSSH(ctx *interpolate.Context) []error {
 	if c.SSHPort == 0 {
 		c.SSHPort = 22
 	}
@@ -37,21 +62,36 @@ func (c *Config) Prepare(ctx *interpolate.Context) []error {
 
 	// Validation
 	var errs []error
-	if c.Type == "ssh" {
-		if c.SSHUsername == "" {
-			errs = append(errs, errors.New("An ssh_username must be specified"))
-		}
+	if c.SSHUsername == "" {
+		errs = append(errs, errors.New("An ssh_username must be specified"))
+	}
 
-		if c.SSHPrivateKey != "" {
-			if _, err := os.Stat(c.SSHPrivateKey); err != nil {
-				errs = append(errs, fmt.Errorf(
-					"ssh_private_key_file is invalid: %s", err))
-			} else if _, err := SSHFileSigner(c.SSHPrivateKey); err != nil {
-				errs = append(errs, fmt.Errorf(
-					"ssh_private_key_file is invalid: %s", err))
-			}
+	if c.SSHPrivateKey != "" {
+		if _, err := os.Stat(c.SSHPrivateKey); err != nil {
+			errs = append(errs, fmt.Errorf(
+				"ssh_private_key_file is invalid: %s", err))
+		} else if _, err := SSHFileSigner(c.SSHPrivateKey); err != nil {
+			errs = append(errs, fmt.Errorf(
+				"ssh_private_key_file is invalid: %s", err))
 		}
 	}
 
 	return errs
 }
+
+func (c *Config) prepareWinRM(ctx *interpolate.Context) []error {
+	if c.WinRMPort == 0 {
+		c.WinRMPort = 5985
+	}
+
+	if c.WinRMTimeout == 0 {
+		c.WinRMTimeout = 30 * time.Minute
+	}
+
+	var errs []error
+	if c.WinRMUser == "" {
+		errs = append(errs, errors.New("winrm_username must be specified."))
+	}
+
+	return errs
+}

helper/communicator/step_connect_winrm.go

@@ -0,0 +1,134 @@
+package communicator
+
+import (
+	"errors"
+	"fmt"
+	"log"
+	"time"
+
+	"github.com/mitchellh/multistep"
+	"github.com/mitchellh/packer/communicator/winrm"
+	"github.com/mitchellh/packer/packer"
+)
+
+// StepConnectWinRM is a multistep Step implementation that waits for WinRM
+// to become available. It gets the connection information from a single
+// configuration when creating the step.
+//
+// Uses:
+//   ui packer.Ui
+//
+// Produces:
+//   communicator packer.Communicator
+type StepConnectWinRM struct {
+	// All the fields below are documented on StepConnect
+	Config      *Config
+	Host        func(multistep.StateBag) (string, error)
+	WinRMConfig func(multistep.StateBag) (*WinRMConfig, error)
+}
+
+func (s *StepConnectWinRM) Run(state multistep.StateBag) multistep.StepAction {
+	ui := state.Get("ui").(packer.Ui)
+
+	var comm packer.Communicator
+	var err error
+
+	cancel := make(chan struct{})
+	waitDone := make(chan bool, 1)
+	go func() {
+		ui.Say("Waiting for WinRM to become available...")
+		comm, err = s.waitForWinRM(state, cancel)
+		waitDone <- true
+	}()
+
+	log.Printf("Waiting for WinRM, up to timeout: %s", s.Config.WinRMTimeout)
+	timeout := time.After(s.Config.WinRMTimeout)
+WaitLoop:
+	for {
+		// Wait for either WinRM to become available, a timeout to occur,
+		// or an interrupt to come through.
+		select {
+		case <-waitDone:
+			if err != nil {
+				ui.Error(fmt.Sprintf("Error waiting for WinRM: %s", err))
+				return multistep.ActionHalt
+			}
+
+			ui.Say("Connected to WinRM!")
+			state.Put("communicator", comm)
+			break WaitLoop
+		case <-timeout:
+			err := fmt.Errorf("Timeout waiting for WinRM.")
+			state.Put("error", err)
+			ui.Error(err.Error())
+			close(cancel)
+			return multistep.ActionHalt
+		case <-time.After(1 * time.Second):
+			if _, ok := state.GetOk(multistep.StateCancelled); ok {
+				// The step sequence was cancelled, so cancel waiting for WinRM
+				// and just start the halting process.
+				close(cancel)
+				log.Println("Interrupt detected, quitting waiting for WinRM.")
+				return multistep.ActionHalt
+			}
+		}
+	}
+
+	return multistep.ActionContinue
+}
+
+func (s *StepConnectWinRM) Cleanup(multistep.StateBag) {
+}
+
+func (s *StepConnectWinRM) waitForWinRM(state multistep.StateBag, cancel <-chan struct{}) (packer.Communicator, error) {
+	var comm packer.Communicator
+	for {
+		select {
+		case <-cancel:
+			log.Println("[INFO] WinRM wait cancelled. Exiting loop.")
+			return nil, errors.New("WinRM wait cancelled")
+		case <-time.After(5 * time.Second):
+		}
+
+		host, err := s.Host(state)
+		if err != nil {
+			log.Printf("[DEBUG] Error getting WinRM host: %s", err)
+			continue
+		}
+		port := s.Config.WinRMPort
+
+		user := s.Config.WinRMUser
+		password := s.Config.WinRMPassword
+		if s.WinRMConfig != nil {
+			config, err := s.WinRMConfig(state)
+			if err != nil {
+				log.Printf("[DEBUG] Error getting WinRM config: %s", err)
+				continue
+			}
+
+			if config.Username != "" {
+				user = config.Username
+			}
+			if config.Password != "" {
+				password = config.Password
+			}
+		}
+
+		log.Println("[INFO] Attempting WinRM connection...")
+		comm, err = winrm.New(&winrm.Config{
+			Host:     host,
+			Port:     port,
+			Username: user,
+			Password: password,
+			Timeout:  s.Config.WinRMTimeout,
+		})
+		if err != nil {
+			log.Printf("[ERROR] WinRM connection err: %s", err)
+			continue
+		}
+
+		break
+	}
+
+	return comm, nil
+}

helper/communicator/winrm.go

@@ -0,0 +1,8 @@
+package communicator
+
+// WinRMConfig is configuration that can be returned at runtime to
+// dynamically configure WinRM.
+type WinRMConfig struct {
+	Username string
+	Password string
+}