Fix golint warnings for daemon/execdriver/windows

Addresses: #14756

Signed-off-by: Qiang Huang <h.huangqiang@huawei.com>

daemon/execdriver/windows/clean.go

@@ -2,6 +2,7 @@
 
 package windows
 
-func (d *driver) Clean(id string) error {
+// Clean implements the exec driver Driver interface.
+func (d *Driver) Clean(id string) error {
 	return nil
 }

daemon/execdriver/windows/exec.go

@@ -13,13 +13,14 @@ import (
 	"github.com/natefinch/npipe"
 )
 
-func (d *driver) Exec(c *execdriver.Command, processConfig *execdriver.ProcessConfig, pipes *execdriver.Pipes, startCallback execdriver.StartCallback) (int, error) {
+// Exec implements the exec driver Driver interface.
+func (d *Driver) Exec(c *execdriver.Command, processConfig *execdriver.ProcessConfig, pipes *execdriver.Pipes, startCallback execdriver.StartCallback) (int, error) {
 
 	var (
 		inListen, outListen, errListen     *npipe.PipeListener
 		term                               execdriver.Terminal
 		err                                error
-		randomID                           string = stringid.GenerateNonCryptoID()
+		randomID                           = stringid.GenerateNonCryptoID()
 		serverPipeFormat, clientPipeFormat string
 		pid                                uint32
 		exitCode                           int32

daemon/execdriver/windows/getpids.go

@@ -4,7 +4,8 @@ package windows
 
 import "fmt"
 
-func (d *driver) GetPidsForContainer(id string) ([]int, error) {
+// GetPidsForContainer implements the exec driver Driver interface.
+func (d *Driver) GetPidsForContainer(id string) ([]int, error) {
 	// TODO Windows: Implementation required.
 	return nil, fmt.Errorf("GetPidsForContainer: GetPidsForContainer() not implemented")
 }

daemon/execdriver/windows/info.go

@@ -9,7 +9,8 @@ type info struct {
 	driver *driver
 }
 
-func (d *driver) Info(id string) execdriver.Info {
+// Info implements the exec driver Driver interface.
+func (d *Driver) Info(id string) execdriver.Info {
 	return &info{
 		ID:     id,
 		driver: d,

daemon/execdriver/windows/pauseunpause.go

@@ -8,10 +8,12 @@ import (
 	"github.com/docker/docker/daemon/execdriver"
 )
 
-func (d *driver) Pause(c *execdriver.Command) error {
+// Pause implements the exec driver Driver interface.
+func (d *Driver) Pause(c *execdriver.Command) error {
 	return fmt.Errorf("Windows: Containers cannot be paused")
 }
 
-func (d *driver) Unpause(c *execdriver.Command) error {
+// Unpause implements the exec driver Driver interface.
+func (d *Driver) Unpause(c *execdriver.Command) error {
 	return fmt.Errorf("Windows: Containers cannot be paused")
 }

daemon/execdriver/windows/run.go

@@ -17,7 +17,7 @@ import (
 )
 
 type layer struct {
-	Id   string
+	ID   string
 	Path string
 }
 
@@ -50,7 +50,8 @@ type containerInit struct {
 	Layers                  []layer
 }
 
-func (d *driver) Run(c *execdriver.Command, pipes *execdriver.Pipes, startCallback execdriver.StartCallback) (execdriver.ExitStatus, error) {
+// Run implements the exec driver Driver interface
+func (d *Driver) Run(c *execdriver.Command, pipes *execdriver.Pipes, startCallback execdriver.StartCallback) (execdriver.ExitStatus, error) {
 
 	var (
 		term                           execdriver.Terminal
@@ -75,7 +76,7 @@ func (d *driver) Run(c *execdriver.Command, pipes *execdriver.Pipes, startCallba
 
 	for i := 0; i < len(c.LayerPaths); i++ {
 		cu.Layers = append(cu.Layers, layer{
-			Id:   hcsshim.NewGUID(c.LayerPaths[i]).ToString(),
+			ID:   hcsshim.NewGUID(c.LayerPaths[i]).ToString(),
 			Path: c.LayerPaths[i],
 		})
 	}

daemon/execdriver/windows/stats.go

@@ -8,6 +8,7 @@ import (
 	"github.com/docker/docker/daemon/execdriver"
 )
 
-func (d *driver) Stats(id string) (*execdriver.ResourceStats, error) {
+// Stats implements the exec driver Driver interface.
+func (d *Driver) Stats(id string) (*execdriver.ResourceStats, error) {
 	return nil, fmt.Errorf("Windows: Stats not implemented")
 }

daemon/execdriver/windows/stdconsole.go

@@ -6,15 +6,18 @@ package windows
 type StdConsole struct {
 }
 
+// NewStdConsole returns a new StdConsole struct.
 func NewStdConsole() *StdConsole {
 	return &StdConsole{}
 }
 
+// Resize implements Resize method of Terminal interface.
 func (s *StdConsole) Resize(h, w int) error {
 	// we do not need to resize a non tty
 	return nil
 }
 
+// Close implements Close method of Terminal interface.
 func (s *StdConsole) Close() error {
 	// nothing to close here
 	return nil

daemon/execdriver/windows/terminatekill.go

@@ -8,12 +8,14 @@ import (
 	"github.com/microsoft/hcsshim"
 )
 
-func (d *driver) Terminate(p *execdriver.Command) error {
+// Terminate implements the exec driver Driver interface.
+func (d *Driver) Terminate(p *execdriver.Command) error {
 	logrus.Debugf("WindowsExec: Terminate() id=%s", p.ID)
 	return kill(p.ID, p.ContainerPid)
 }
 
-func (d *driver) Kill(p *execdriver.Command, sig int) error {
+// Kill implements the exec driver Driver interface.
+func (d *Driver) Kill(p *execdriver.Command, sig int) error {
 	logrus.Debugf("WindowsExec: Kill() id=%s sig=%d", p.ID, sig)
 	return kill(p.ID, p.ContainerPid)
 }

daemon/execdriver/windows/ttyconsole.go

@@ -6,12 +6,13 @@ import (
 	"github.com/microsoft/hcsshim"
 )
 
-// TtyConsole is for when using a container interactively
+// TtyConsole implements the exec driver Terminal interface.
 type TtyConsole struct {
 	id        string
 	processid uint32
 }
 
+// NewTtyConsole returns a new TtyConsole struct.
 func NewTtyConsole(id string, processid uint32) *TtyConsole {
 	tty := &TtyConsole{
 		id:        id,
@@ -20,10 +21,12 @@ func NewTtyConsole(id string, processid uint32) *TtyConsole {
 	return tty
 }
 
+// Resize implements Resize method of Terminal interface.
 func (t *TtyConsole) Resize(h, w int) error {
 	return hcsshim.ResizeConsoleInComputeSystem(t.id, t.processid, h, w)
 }
 
+// Close implements Close method of Terminal interface.
 func (t *TtyConsole) Close() error {
 	return nil
 }

daemon/execdriver/windows/windows.go

@@ -20,6 +20,7 @@ var dummyMode bool
 // This allows the daemon to terminate containers rather than shutdown
 var terminateMode bool
 
+// Define name and version for windows
 var (
 	DriverName = "Windows 1854"
 	Version    = dockerversion.VERSION + " " + dockerversion.GITCOMMIT
@@ -29,18 +30,22 @@ type activeContainer struct {
 	command *execdriver.Command
 }
 
-type driver struct {
+// Driver contains all information for windows driver,
+// it implements execdriver.Driver
+type Driver struct {
 	root             string
 	initPath         string
 	activeContainers map[string]*activeContainer
 	sync.Mutex
 }
 
-func (d *driver) Name() string {
+// Name implements the exec driver Driver interface.
+func (d *Driver) Name() string {
 	return fmt.Sprintf("%s %s", DriverName, Version)
 }
 
-func NewDriver(root, initPath string, options []string) (*driver, error) {
+// NewDriver returns a new windows driver, called from NewDriver of execdriver.
+func NewDriver(root, initPath string, options []string) (*Driver, error) {
 
 	for _, option := range options {
 		key, val, err := parsers.ParseKeyValueOpt(option)
@@ -69,7 +74,7 @@ func NewDriver(root, initPath string, options []string) (*driver, error) {
 		}
 	}
 
-	return &driver{
+	return &Driver{
 		root:             root,
 		initPath:         initPath,
 		activeContainers: make(map[string]*activeContainer),

hack/make/validate-lint

@@ -23,6 +23,7 @@ packages=(
 	daemon/execdriver/lxc
 	daemon/execdriver/native
 	daemon/execdriver/native/template
+	daemon/execdriver/windows
 	daemon/graphdriver/aufs
 	daemon/graphdriver/devmapper
 	daemon/logger