Golang termios.IsTerminal函数代码示例

原作者: [db:作者] 来自: [db:来源] 收藏邀请

本文整理汇总了Golang中github.com/lxc/lxd/shared/termios.IsTerminal函数的典型用法代码示例。如果您正苦于以下问题：Golang IsTerminal函数的具体用法？Golang IsTerminal怎么用？Golang IsTerminal使用的例子？那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。

在下文中一共展示了IsTerminal函数的7个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于我们的系统推荐出更棒的Golang代码示例。

示例1: edit

func (c *fileCmd) edit(config *lxd.Config, args []string) error {
	if len(args) != 1 {
		return errArgs
	}

	// If stdin isn't a terminal, read text from it
	if !termios.IsTerminal(int(syscall.Stdin)) {
		return c.push(config, append([]string{os.Stdin.Name()}, args[0]))
	}

	// Create temp file
	f, err := ioutil.TempFile("", "lxd_file_edit_")
	fname := f.Name()
	f.Close()
	os.Remove(fname)
	defer os.Remove(fname)

	// Extract current value
	err = c.pull(config, append([]string{args[0]}, fname))
	if err != nil {
		return err
	}

	_, err = shared.TextEditor(fname, []byte{})
	if err != nil {
		return err
	}

	err = c.push(config, append([]string{fname}, args[0]))
	if err != nil {
		return err
	}

	return nil
}

开发者ID:jameinel，项目名称:lxd，代码行数:35，代码来源:file.go

示例2: doNetworkSet

func (c *networkCmd) doNetworkSet(client *lxd.Client, name string, args []string) error {
	// we shifted @args so so it should read "<key> [<value>]"
	if len(args) < 1 {
		return errArgs
	}

	network, err := client.NetworkGet(name)
	if err != nil {
		return err
	}

	key := args[0]
	var value string
	if len(args) < 2 {
		value = ""
	} else {
		value = args[1]
	}

	if !termios.IsTerminal(int(syscall.Stdin)) && value == "-" {
		buf, err := ioutil.ReadAll(os.Stdin)
		if err != nil {
			return fmt.Errorf("Can't read from stdin: %s", err)
		}
		value = string(buf[:])
	}

	network.Config[key] = value

	return client.NetworkPut(name, network)
}

开发者ID:vahe，项目名称:lxd，代码行数:31，代码来源:network.go

示例3: doProfileSet

func (c *profileCmd) doProfileSet(client *lxd.Client, p string, args []string) error {
	// we shifted @args so so it should read "<key> [<value>]"
	if len(args) < 1 {
		return errArgs
	}

	key := args[0]
	var value string
	if len(args) < 2 {
		value = ""
	} else {
		value = args[1]
	}

	if !termios.IsTerminal(int(syscall.Stdin)) && value == "-" {
		buf, err := ioutil.ReadAll(os.Stdin)
		if err != nil {
			return fmt.Errorf("Can't read from stdin: %s", err)
		}
		value = string(buf[:])
	}

	err := client.SetProfileConfigItem(p, key, value)
	return err
}

开发者ID:vahe，项目名称:lxd，代码行数:25，代码来源:profile.go

示例4: doSet

func (c *configCmd) doSet(config *lxd.Config, args []string, unset bool) error {
	if len(args) != 4 {
		return errArgs
	}

	// [[lxc config]] set dakara:c1 limits.memory 200000
	remote, container := config.ParseRemoteAndContainer(args[1])
	d, err := lxd.NewClient(config, remote)
	if err != nil {
		return err
	}

	key := args[2]
	value := args[3]

	if !termios.IsTerminal(int(syscall.Stdin)) && value == "-" {
		buf, err := ioutil.ReadAll(os.Stdin)
		if err != nil {
			return fmt.Errorf(i18n.G("Can't read from stdin: %s"), err)
		}
		value = string(buf[:])
	}

	if unset {
		st, err := d.ContainerInfo(container)
		if err != nil {
			return err
		}

		_, ok := st.Config[key]
		if !ok {
			return fmt.Errorf(i18n.G("Can't unset key '%s', it's not currently set."), key)
		}
	}

	return d.SetContainerConfig(container, key, value)
}

开发者ID:vahe，项目名称:lxd，代码行数:37，代码来源:config.go

示例5: doImageEdit

func (c *imageCmd) doImageEdit(client *lxd.Client, image string) error {
	// If stdin isn't a terminal, read text from it
	if !termios.IsTerminal(int(syscall.Stdin)) {
		contents, err := ioutil.ReadAll(os.Stdin)
		if err != nil {
			return err
		}

		newdata := shared.BriefImageInfo{}
		err = yaml.Unmarshal(contents, &newdata)
		if err != nil {
			return err
		}
		return client.PutImageInfo(image, newdata)
	}

	// Extract the current value
	config, err := client.GetImageInfo(image)
	if err != nil {
		return err
	}

	brief := config.Brief()
	data, err := yaml.Marshal(&brief)
	if err != nil {
		return err
	}

	// Spawn the editor
	content, err := shared.TextEditor("", []byte(c.imageEditHelp()+"\n\n"+string(data)))
	if err != nil {
		return err
	}

	for {
		// Parse the text received from the editor
		newdata := shared.BriefImageInfo{}
		err = yaml.Unmarshal(content, &newdata)
		if err == nil {
			err = client.PutImageInfo(image, newdata)
		}

		// Respawn the editor
		if err != nil {
			fmt.Fprintf(os.Stderr, i18n.G("Config parsing error: %s")+"\n", err)
			fmt.Println(i18n.G("Press enter to start the editor again"))

			_, err := os.Stdin.Read(make([]byte, 1))
			if err != nil {
				return err
			}

			content, err = shared.TextEditor("", content)
			if err != nil {
				return err
			}
			continue
		}
		break
	}
	return nil
}

开发者ID:vahe，项目名称:lxd，代码行数:62，代码来源:image.go

示例6: run

func (c *execCmd) run(config *lxd.Config, args []string) error {
	if len(args) < 2 {
		return errArgs
	}

	remote, name := config.ParseRemoteAndContainer(args[0])
	d, err := lxd.NewClient(config, remote)
	if err != nil {
		return err
	}

	env := map[string]string{"HOME": "/root", "USER": "root"}
	myEnv := os.Environ()
	for _, ent := range myEnv {
		if strings.HasPrefix(ent, "TERM=") {
			env["TERM"] = ent[len("TERM="):]
		}
	}

	for _, arg := range c.envArgs {
		pieces := strings.SplitN(arg, "=", 2)
		value := ""
		if len(pieces) > 1 {
			value = pieces[1]
		}
		env[pieces[0]] = value
	}

	cfd := int(syscall.Stdin)

	var interactive bool
	if c.modeFlag == "interactive" {
		interactive = true
	} else if c.modeFlag == "non-interactive" {
		interactive = false
	} else {
		interactive = termios.IsTerminal(cfd) && termios.IsTerminal(int(syscall.Stdout))
	}

	var oldttystate *termios.State
	if interactive {
		oldttystate, err = termios.MakeRaw(cfd)
		if err != nil {
			return err
		}
		defer termios.Restore(cfd, oldttystate)
	}

	handler := c.controlSocketHandler
	if !interactive {
		handler = nil
	}

	stdout := c.getStdout()
	ret, err := d.Exec(name, args[1:], env, os.Stdin, stdout, os.Stderr, handler)
	if err != nil {
		return err
	}

	if oldttystate != nil {
		/* A bit of a special case here: we want to exit with the same code as
		 * the process inside the container, so we explicitly exit here
		 * instead of returning an error.
		 *
		 * Additionally, since os.Exit() exits without running deferred
		 * functions, we restore the terminal explicitly.
		 */
		termios.Restore(cfd, oldttystate)
	}

	/* we get the result of waitpid() here so we need to transform it */
	os.Exit(ret >> 8)
	return fmt.Errorf(i18n.G("unreachable return reached"))
}

开发者ID:jameinel，项目名称:lxd，代码行数:74，代码来源:exec.go

示例7: doNetworkEdit

func (c *networkCmd) doNetworkEdit(client *lxd.Client, name string) error {
	// If stdin isn't a terminal, read text from it
	if !termios.IsTerminal(int(syscall.Stdin)) {
		contents, err := ioutil.ReadAll(os.Stdin)
		if err != nil {
			return err
		}

		newdata := shared.NetworkConfig{}
		err = yaml.Unmarshal(contents, &newdata)
		if err != nil {
			return err
		}
		return client.NetworkPut(name, newdata)
	}

	// Extract the current value
	network, err := client.NetworkGet(name)
	if err != nil {
		return err
	}

	data, err := yaml.Marshal(&network)
	if err != nil {
		return err
	}

	// Spawn the editor
	content, err := shared.TextEditor("", []byte(c.networkEditHelp()+"\n\n"+string(data)))
	if err != nil {
		return err
	}

	for {
		// Parse the text received from the editor
		newdata := shared.NetworkConfig{}
		err = yaml.Unmarshal(content, &newdata)
		if err == nil {
			err = client.NetworkPut(name, newdata)
		}

		// Respawn the editor
		if err != nil {
			fmt.Fprintf(os.Stderr, i18n.G("Config parsing error: %s")+"\n", err)
			fmt.Println(i18n.G("Press enter to open the editor again"))

			_, err := os.Stdin.Read(make([]byte, 1))
			if err != nil {
				return err
			}

			content, err = shared.TextEditor("", content)
			if err != nil {
				return err
			}
			continue
		}
		break
	}
	return nil
}

开发者ID:vahe，项目名称:lxd，代码行数:61，代码来源:network.go

注：本文中的github.com/lxc/lxd/shared/termios.IsTerminal函数示例整理自Github/MSDocs等源码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。