Golang utils.ExperimentalBuild函数代码示例

// ensure docker info succeeds
func (s *DockerSuite) TestInfoEnsureSucceeds(c *check.C) {
	versionCmd := exec.Command(dockerBinary, "info")
	out, exitCode, err := runCommandWithOutput(versionCmd)
	if err != nil || exitCode != 0 {
		c.Fatalf("failed to execute docker info: %s, %v", out, err)
	}

	// always shown fields
	stringsToCheck := []string{
		"ID:",
		"Containers:",
		"Images:",
		"Execution Driver:",
		"Logging Driver:",
		"Operating System:",
		"CPUs:",
		"Total Memory:",
		"Kernel Version:",
		"Storage Driver:",
	}

	if utils.ExperimentalBuild() {
		stringsToCheck = append(stringsToCheck, "Experimental: true")
	}

	for _, linePrefix := range stringsToCheck {
		if !strings.Contains(out, linePrefix) {
			c.Errorf("couldn't find string %v in output", linePrefix)
		}
	}
}

// ensure docker info succeeds
func (s *DockerSuite) TestInfoEnsureSucceeds(c *check.C) {
	out, _ := dockerCmd(c, "info")

	// always shown fields
	stringsToCheck := []string{
		"ID:",
		"Containers:",
		"Images:",
		"Execution Driver:",
		"Logging Driver:",
		"Operating System:",
		"CPUs:",
		"Total Memory:",
		"Kernel Version:",
		"Storage Driver:",
	}

	if utils.ExperimentalBuild() {
		stringsToCheck = append(stringsToCheck, "Experimental: true")
	}

	for _, linePrefix := range stringsToCheck {
		if !strings.Contains(out, linePrefix) {
			c.Errorf("couldn't find string %v in output", linePrefix)
		}
	}
}

// SystemVersion returns information of the docker client and server host.
func (cli *Client) SystemVersion() (types.VersionResponse, error) {
	client := &types.Version{
		Version:      dockerversion.Version,
		APIVersion:   api.Version,
		GoVersion:    runtime.Version(),
		GitCommit:    dockerversion.GitCommit,
		BuildTime:    dockerversion.BuildTime,
		Os:           runtime.GOOS,
		Arch:         runtime.GOARCH,
		Experimental: utils.ExperimentalBuild(),
	}

	resp, err := cli.get("/version", nil, nil)
	if err != nil {
		return types.VersionResponse{Client: client}, err
	}
	defer ensureReaderClosed(resp)

	var server types.Version
	err = json.NewDecoder(resp.body).Decode(&server)
	if err != nil {
		return types.VersionResponse{Client: client}, err
	}
	return types.VersionResponse{Client: client, Server: &server}, nil
}

// ensure docker info succeeds
func (s *DockerSuite) TestInfoEnsureSucceeds(c *check.C) {
	out, _ := dockerCmd(c, "info")

	// always shown fields
	stringsToCheck := []string{
		"ID:",
		"Containers:",
		" Running:",
		" Paused:",
		" Stopped:",
		"Images:",
		"Execution Driver:",
		"OSType:",
		"Architecture:",
		"Logging Driver:",
		"Operating System:",
		"CPUs:",
		"Total Memory:",
		"Kernel Version:",
		"Storage Driver:",
		"Volume:",
		"Network:",
	}

	if utils.ExperimentalBuild() {
		stringsToCheck = append(stringsToCheck, "Experimental: true")
	}

	for _, linePrefix := range stringsToCheck {
		c.Assert(out, checker.Contains, linePrefix, check.Commentf("couldn't find string %v in output", linePrefix))
	}
}

func showVersion() {
	if utils.ExperimentalBuild() {
		fmt.Printf("Docker version %s, build %s, experimental\n", dockerversion.Version, dockerversion.GitCommit)
	} else {
		fmt.Printf("Docker version %s, build %s\n", dockerversion.Version, dockerversion.GitCommit)
	}
}

// CmdVersion shows Docker version information.
//
// Available version information is shown for: client Docker version, client API version, client Go version, client Git commit, client OS/Arch, server Docker version, server API version, server Go version, server Git commit, and server OS/Arch.
//
// Usage: docker version
func (cli *DockerCli) CmdVersion(args ...string) (err error) {
	cmd := Cli.Subcmd("version", nil, Cli.DockerCommands["version"].Description, true)
	tmplStr := cmd.String([]string{"f", "#format", "-format"}, "", "Format the output using the given go template")
	cmd.Require(flag.Exact, 0)

	cmd.ParseFlags(args, true)

	templateFormat := versionTemplate
	if *tmplStr != "" {
		templateFormat = *tmplStr
	}

	var tmpl *template.Template
	if tmpl, err = template.New("").Funcs(funcMap).Parse(templateFormat); err != nil {
		return Cli.StatusError{StatusCode: 64,
			Status: "Template parsing error: " + err.Error()}
	}

	vd := types.VersionResponse{
		Client: &types.Version{
			Version:      dockerversion.Version,
			APIVersion:   cli.client.ClientVersion(),
			GoVersion:    runtime.Version(),
			GitCommit:    dockerversion.GitCommit,
			BuildTime:    dockerversion.BuildTime,
			Os:           runtime.GOOS,
			Arch:         runtime.GOARCH,
			Experimental: utils.ExperimentalBuild(),
		},
	}

	serverVersion, err := cli.client.ServerVersion()
	if err == nil {
		vd.Server = &serverVersion
	}

	// first we need to make BuildTime more human friendly
	t, errTime := time.Parse(time.RFC3339Nano, vd.Client.BuildTime)
	if errTime == nil {
		vd.Client.BuildTime = t.Format(time.ANSIC)
	}

	if vd.ServerOK() {
		t, errTime = time.Parse(time.RFC3339Nano, vd.Server.BuildTime)
		if errTime == nil {
			vd.Server.BuildTime = t.Format(time.ANSIC)
		}
	}

	if err2 := tmpl.Execute(cli.out, vd); err2 != nil && err == nil {
		err = err2
	}
	cli.out.Write([]byte{'\n'})
	return err
}

// CmdVersion shows Docker version information.
//
// Available version information is shown for: client Docker version, client API version, client Go version, client Git commit, client OS/Arch, server Docker version, server API version, server Go version, server Git commit, and server OS/Arch.
//
// Usage: docker version
func (cli *DockerCli) CmdVersion(args ...string) error {
	cmd := cli.Subcmd("version", nil, "Show the Docker version information.", true)
	cmd.Require(flag.Exact, 0)

	cmd.ParseFlags(args, true)

	fmt.Println("Client:")
	if dockerversion.VERSION != "" {
		fmt.Fprintf(cli.out, " Version:      %s\n", dockerversion.VERSION)
	}
	fmt.Fprintf(cli.out, " API version:  %s\n", api.Version)
	fmt.Fprintf(cli.out, " Go version:   %s\n", runtime.Version())
	if dockerversion.GITCOMMIT != "" {
		fmt.Fprintf(cli.out, " Git commit:   %s\n", dockerversion.GITCOMMIT)
	}
	if dockerversion.BUILDTIME != "" {
		fmt.Fprintf(cli.out, " Built:        %s\n", dockerversion.BUILDTIME)
	}
	fmt.Fprintf(cli.out, " OS/Arch:      %s/%s\n", runtime.GOOS, runtime.GOARCH)
	if utils.ExperimentalBuild() {
		fmt.Fprintf(cli.out, " Experimental: true\n")
	}

	stream, _, _, err := cli.call("GET", "/version", nil, nil)
	if err != nil {
		return err
	}

	defer stream.Close()

	var v types.Version
	if err := json.NewDecoder(stream).Decode(&v); err != nil {
		fmt.Fprintf(cli.err, "Error reading remote version: %s\n", err)
		return err
	}

	fmt.Println("\nServer:")
	fmt.Fprintf(cli.out, " Version:      %s\n", v.Version)
	if v.ApiVersion != "" {
		fmt.Fprintf(cli.out, " API version:  %s\n", v.ApiVersion)
	}
	fmt.Fprintf(cli.out, " Go version:   %s\n", v.GoVersion)
	fmt.Fprintf(cli.out, " Git commit:   %s\n", v.GitCommit)
	if len(v.BuildTime) > 0 {
		fmt.Fprintf(cli.out, " Built:        %s\n", v.BuildTime)
	}
	fmt.Fprintf(cli.out, " OS/Arch:      %s/%s\n", v.Os, v.Arch)
	if v.Experimental {
		fmt.Fprintf(cli.out, " Experimental: true\n")
	}
	fmt.Fprintf(cli.out, "\n")
	return nil
}

// CmdVersion shows Docker version information.
//
// Available version information is shown for: client Docker version, client API version, client Go version, client Git commit, client OS/Arch, server Docker version, server API version, server Go version, server Git commit, and server OS/Arch.
//
// Usage: docker version
func (cli *DockerCli) CmdVersion(args ...string) (err error) {
	cmd := Cli.Subcmd("version", nil, Cli.DockerCommands["version"].Description, true)
	tmplStr := cmd.String([]string{"f", "#format", "-format"}, "", "Format the output using the given go template")
	cmd.Require(flag.Exact, 0)

	cmd.ParseFlags(args, true)
	if *tmplStr == "" {
		*tmplStr = versionTemplate
	}

	var tmpl *template.Template
	if tmpl, err = template.New("").Funcs(funcMap).Parse(*tmplStr); err != nil {
		return Cli.StatusError{StatusCode: 64,
			Status: "Template parsing error: " + err.Error()}
	}

	vd := versionData{
		Client: types.Version{
			Version:      dockerversion.VERSION,
			APIVersion:   api.Version,
			GoVersion:    runtime.Version(),
			GitCommit:    dockerversion.GITCOMMIT,
			BuildTime:    dockerversion.BUILDTIME,
			Os:           runtime.GOOS,
			Arch:         runtime.GOARCH,
			Experimental: utils.ExperimentalBuild(),
		},
	}

	defer func() {
		if err2 := tmpl.Execute(cli.out, vd); err2 != nil && err == nil {
			err = err2
		}
		cli.out.Write([]byte{'\n'})
	}()

	serverResp, err := cli.call("GET", "/version", nil, nil)
	if err != nil {
		return err
	}

	defer serverResp.body.Close()

	if err = json.NewDecoder(serverResp.body).Decode(&vd.Server); err != nil {
		return Cli.StatusError{StatusCode: 1,
			Status: "Error reading remote version: " + err.Error()}
	}

	vd.ServerOK = true

	return
}

func runVersion(dockerCli *client.DockerCli, opts *versionOptions) error {
	ctx := context.Background()

	templateFormat := versionTemplate
	if opts.format != "" {
		templateFormat = opts.format
	}

	tmpl, err := templates.Parse(templateFormat)
	if err != nil {
		return cli.StatusError{StatusCode: 64,
			Status: "Template parsing error: " + err.Error()}
	}

	vd := types.VersionResponse{
		Client: &types.Version{
			Version:      dockerversion.Version,
			APIVersion:   dockerCli.Client().ClientVersion(),
			GoVersion:    runtime.Version(),
			GitCommit:    dockerversion.GitCommit,
			BuildTime:    dockerversion.BuildTime,
			Os:           runtime.GOOS,
			Arch:         runtime.GOARCH,
			Experimental: utils.ExperimentalBuild(),
		},
	}

	serverVersion, err := dockerCli.Client().ServerVersion(ctx)
	if err == nil {
		vd.Server = &serverVersion
	}

	// first we need to make BuildTime more human friendly
	t, errTime := time.Parse(time.RFC3339Nano, vd.Client.BuildTime)
	if errTime == nil {
		vd.Client.BuildTime = t.Format(time.ANSIC)
	}

	if vd.ServerOK() {
		t, errTime = time.Parse(time.RFC3339Nano, vd.Server.BuildTime)
		if errTime == nil {
			vd.Server.BuildTime = t.Format(time.ANSIC)
		}
	}

	if err2 := tmpl.Execute(dockerCli.Out(), vd); err2 != nil && err == nil {
		err = err2
	}
	dockerCli.Out().Write([]byte{'\n'})
	return err
}

// SystemVersion returns version information about the daemon.
func (daemon *Daemon) SystemVersion() types.Version {
	v := types.Version{
		Version:      dockerversion.Version,
		GitCommit:    dockerversion.GitCommit,
		GoVersion:    runtime.Version(),
		Os:           runtime.GOOS,
		Arch:         runtime.GOARCH,
		BuildTime:    dockerversion.BuildTime,
		Experimental: utils.ExperimentalBuild(),
	}

	if kernelVersion, err := kernel.GetKernelVersion(); err == nil {
		v.KernelVersion = kernelVersion.String()
	}

	return v
}

// CmdVersion shows Docker version information.
//
// Available version information is shown for: client Docker version, client API version, client Go version, client Git commit, client OS/Arch, server Docker version, server API version, server Go version, server Git commit, and server OS/Arch.
//
// Usage: docker version
func (cli *DockerCli) CmdVersion(args ...string) error {
	cmd := cli.Subcmd("version", nil, "Show the Docker version information.", true)
	cmd.Require(flag.Exact, 0)

	cmd.ParseFlags(args, true)

	if dockerversion.VERSION != "" {
		fmt.Fprintf(cli.out, "Client version: %s\n", dockerversion.VERSION)
	}
	fmt.Fprintf(cli.out, "Client API version: %s\n", api.Version)
	fmt.Fprintf(cli.out, "Go version (client): %s\n", runtime.Version())
	if dockerversion.GITCOMMIT != "" {
		fmt.Fprintf(cli.out, "Git commit (client): %s\n", dockerversion.GITCOMMIT)
	}
	fmt.Fprintf(cli.out, "OS/Arch (client): %s/%s\n", runtime.GOOS, runtime.GOARCH)
	if utils.ExperimentalBuild() {
		fmt.Fprintf(cli.out, "Experimental (client): true\n")
	}

	stream, _, _, err := cli.call("GET", "/version", nil, nil)
	if err != nil {
		return err
	}

	var v types.Version
	if err := json.NewDecoder(stream).Decode(&v); err != nil {
		fmt.Fprintf(cli.err, "Error reading remote version: %s\n", err)
		return err
	}

	fmt.Fprintf(cli.out, "Server version: %s\n", v.Version)
	if v.ApiVersion != "" {
		fmt.Fprintf(cli.out, "Server API version: %s\n", v.ApiVersion)
	}
	fmt.Fprintf(cli.out, "Go version (server): %s\n", v.GoVersion)
	fmt.Fprintf(cli.out, "Git commit (server): %s\n", v.GitCommit)
	fmt.Fprintf(cli.out, "OS/Arch (server): %s/%s\n", v.Os, v.Arch)
	if v.Experimental {
		fmt.Fprintf(cli.out, "Experimental (server): true\n")
	}
	return nil
}

func (s *Server) getVersion(version version.Version, w http.ResponseWriter, r *http.Request, vars map[string]string) error {
	v := &types.Version{
		Version:    dockerversion.VERSION,
		ApiVersion: api.Version,
		GitCommit:  dockerversion.GITCOMMIT,
		GoVersion:  runtime.Version(),
		Os:         runtime.GOOS,
		Arch:       runtime.GOARCH,
	}

	if version.GreaterThanOrEqualTo("1.19") {
		v.Experimental = utils.ExperimentalBuild()
	}

	if kernelVersion, err := kernel.GetKernelVersion(); err == nil {
		v.KernelVersion = kernelVersion.String()
	}

	return writeJSON(w, http.StatusOK, v)
}

// SystemVersion returns version information about the daemon.
func (daemon *Daemon) SystemVersion() types.Version {
	v := types.Version{
		Version:      dockerversion.Version,
		GitCommit:    dockerversion.GitCommit,
		GoVersion:    runtime.Version(),
		Os:           runtime.GOOS,
		Arch:         runtime.GOARCH,
		BuildTime:    dockerversion.BuildTime,
		Experimental: utils.ExperimentalBuild(),
	}

	kernelVersion := "<unknown>"
	if kv, err := kernel.GetKernelVersion(); err != nil {
		logrus.Warnf("Could not get kernel version: %v", err)
	} else {
		kernelVersion = kv.String()
	}
	v.KernelVersion = kernelVersion

	return v
}

func (s *router) getVersion(ctx context.Context, w http.ResponseWriter, r *http.Request, vars map[string]string) error {
	v := &types.Version{
		Version:    dockerversion.VERSION,
		APIVersion: api.Version,
		GitCommit:  dockerversion.GITCOMMIT,
		GoVersion:  runtime.Version(),
		Os:         runtime.GOOS,
		Arch:       runtime.GOARCH,
		BuildTime:  dockerversion.BUILDTIME,
	}

	version := httputils.VersionFromContext(ctx)

	if version.GreaterThanOrEqualTo("1.19") {
		v.Experimental = utils.ExperimentalBuild()
	}

	if kernelVersion, err := kernel.GetKernelVersion(); err == nil {
		v.KernelVersion = kernelVersion.String()
	}

	return httputils.WriteJSON(w, http.StatusOK, v)
}

//.........这里部分代码省略.........

	for _, home := range homes {

		// Dup baseEnvs and add our new HOME value
		newEnvs := make([]string, len(baseEnvs)+1)
		copy(newEnvs, baseEnvs)
		newEnvs[len(newEnvs)-1] = homeKey + "=" + home

		scanForHome := runtime.GOOS != "windows" && home != "/"

		// Check main help text to make sure its not over 80 chars
		helpCmd := exec.Command(dockerBinary, "help")
		helpCmd.Env = newEnvs
		out, _, err := runCommandWithOutput(helpCmd)
		c.Assert(err, checker.IsNil, check.Commentf(out))
		lines := strings.Split(out, "\n")
		for _, line := range lines {
			// All lines should not end with a space
			c.Assert(line, checker.Not(checker.HasSuffix), " ", check.Commentf("Line should not end with a space"))

			if scanForHome && strings.Contains(line, `=`+home) {
				c.Fatalf("Line should use '%q' instead of %q:\n%s", homedir.GetShortcutString(), home, line)
			}
			if runtime.GOOS != "windows" {
				i := strings.Index(line, homedir.GetShortcutString())
				if i >= 0 && i != len(line)-1 && line[i+1] != '/' {
					c.Fatalf("Main help should not have used home shortcut:\n%s", line)
				}
			}
		}

		// Make sure each cmd's help text fits within 90 chars and that
		// on non-windows system we use ~ when possible (to shorten things).
		// Pull the list of commands from the "Commands:" section of docker help
		helpCmd = exec.Command(dockerBinary, "help")
		helpCmd.Env = newEnvs
		out, _, err = runCommandWithOutput(helpCmd)
		c.Assert(err, checker.IsNil, check.Commentf(out))
		i := strings.Index(out, "Commands:")
		c.Assert(i, checker.GreaterOrEqualThan, 0, check.Commentf("Missing 'Commands:' in:\n%s", out))

		cmds := []string{}
		// Grab all chars starting at "Commands:"
		helpOut := strings.Split(out[i:], "\n")
		// Skip first line, it is just "Commands:"
		helpOut = helpOut[1:]

		// Create the list of commands we want to test
		cmdsToTest := []string{}
		for _, cmd := range helpOut {
			// Stop on blank line or non-idented line
			if cmd == "" || !unicode.IsSpace(rune(cmd[0])) {
				break
			}

			// Grab just the first word of each line
			cmd = strings.Split(strings.TrimSpace(cmd), " ")[0]
			cmds = append(cmds, cmd) // Saving count for later

			cmdsToTest = append(cmdsToTest, cmd)
		}

		// Add some 'two word' commands - would be nice to automatically
		// calculate this list - somehow
		cmdsToTest = append(cmdsToTest, "volume create")
		cmdsToTest = append(cmdsToTest, "volume inspect")
		cmdsToTest = append(cmdsToTest, "volume ls")
		cmdsToTest = append(cmdsToTest, "volume rm")
		cmdsToTest = append(cmdsToTest, "network connect")
		cmdsToTest = append(cmdsToTest, "network create")
		cmdsToTest = append(cmdsToTest, "network disconnect")
		cmdsToTest = append(cmdsToTest, "network inspect")
		cmdsToTest = append(cmdsToTest, "network ls")
		cmdsToTest = append(cmdsToTest, "network rm")

		if utils.ExperimentalBuild() {
			cmdsToTest = append(cmdsToTest, "checkpoint create")
			cmdsToTest = append(cmdsToTest, "checkpoint ls")
			cmdsToTest = append(cmdsToTest, "checkpoint rm")
		}

		// Divide the list of commands into go routines and  run the func testcommand on the commands in parallel
		// to save runtime of test

		errChan := make(chan error)

		for index := 0; index < len(cmdsToTest); index++ {
			go func(index int) {
				errChan <- testCommand(cmdsToTest[index], newEnvs, scanForHome, home)
			}(index)
		}

		for index := 0; index < len(cmdsToTest); index++ {
			err := <-errChan
			if err != nil {
				c.Fatal(err)
			}
		}
	}
}