Golang Context.GlobalBool方法代码示例

// GetAPIClient is @@@
func (c *CLI) GetAPIClient(ctx *cli.Context) *gondor.Client {
	if c.api == nil {
		LoadSiteConfig()
		if siteCfg.Cluster != "" {
			var siteCloud, siteCluster string
			if strings.Count(siteCfg.Cluster, "/") == 0 {
				siteCluster = siteCfg.Cluster
			} else {
				parts := strings.Split(siteCfg.Cluster, "/")
				siteCloud, siteCluster = parts[0], parts[1]
			}
			if siteCloud != "" {
				cloud, err := c.Config.GetCloudByName(siteCloud)
				if err != nil {
					fatal(err.Error())
				}
				c.SetCloud(cloud)
			}
			if siteCluster != "" {
				cluster, err := c.Config.Cloud.GetClusterByName(siteCluster)
				if err != nil {
					fatal(err.Error())
				}
				c.SetCluster(cluster)
			}
		}
		httpClient := c.GetHTTPClient(ctx)
		c.api = gondor.NewClient(c.Config.GetClientConfig(), httpClient)
		if ctx.GlobalBool("log-http") {
			c.api.EnableHTTPLogging(true)
		}
		c.api.SetClientVersion(fmt.Sprintf("%s %s", c.Name, c.Version))
	}
	return c.api
}

func createContainer(context *cli.Context, id string, spec *specs.Spec) (libcontainer.Container, error) {
	config, err := specconv.CreateLibcontainerConfig(&specconv.CreateOpts{
		CgroupName:       id,
		UseSystemdCgroup: context.GlobalBool("systemd-cgroup"),
		NoPivotRoot:      context.Bool("no-pivot"),
		NoNewKeyring:     context.Bool("no-new-keyring"),
		Spec:             spec,
	})
	if err != nil {
		return nil, err
	}

	if _, err := os.Stat(config.Rootfs); err != nil {
		if os.IsNotExist(err) {
			return nil, fmt.Errorf("rootfs (%q) does not exist", config.Rootfs)
		}
		return nil, err
	}

	factory, err := loadFactory(context)
	if err != nil {
		return nil, err
	}
	return factory.Create(id, config)
}

func (cmd *Login) Run(scope scope.Scope, c *cli.Context) {
	if !c.Args().Present() {
		error_handler.ErrorExit("A URL must be provided as the first argument", error_handler.CLIUsageErrorExitCode)
	}

	// If an argument was not supplied, it is set to empty string
	cmd.network.BrooklynUrl = c.Args().Get(0)
	cmd.network.BrooklynUser = c.Args().Get(1)
	cmd.network.BrooklynPass = c.Args().Get(2)
	cmd.network.SkipSslChecks = c.GlobalBool("skipSslChecks")

	if err := net.VerifyLoginURL(cmd.network); err != nil {
		error_handler.ErrorExit(err)
	}

	// Strip off trailing '/' from URL if present.
	if cmd.network.BrooklynUrl[len(cmd.network.BrooklynUrl)-1] == '/' {
		if len(cmd.network.BrooklynUrl) == 1 {
			error_handler.ErrorExit("URL must not be a single \"/\" character", error_handler.CLIUsageErrorExitCode)
		}
		cmd.network.BrooklynUrl = cmd.network.BrooklynUrl[0 : len(cmd.network.BrooklynUrl)-1]
	}

	// Prompt for password if not supplied (password is not echoed to screen
	if cmd.network.BrooklynUser != "" && cmd.network.BrooklynPass == "" {
		fmt.Print("Enter Password: ")
		bytePassword, err := terminal.ReadPassword(int(syscall.Stdin))
		if err != nil {
			error_handler.ErrorExit(err)
		}
		fmt.Printf("\n")
		cmd.network.BrooklynPass = string(bytePassword)
	}

	if cmd.config.Map == nil {
		cmd.config.Map = make(map[string]interface{})
	}
	// now persist these credentials to the yaml file
	auth, ok := cmd.config.Map["auth"].(map[string]interface{})
	if !ok {
		auth = make(map[string]interface{})
		cmd.config.Map["auth"] = auth
	}

	auth[cmd.network.BrooklynUrl] = map[string]string{
		"username": cmd.network.BrooklynUser,
		"password": cmd.network.BrooklynPass,
	}

	cmd.config.Map["target"] = cmd.network.BrooklynUrl
	cmd.config.Map["skipSslChecks"] = cmd.network.SkipSslChecks
	cmd.config.Write()

	loginVersion, err := version.Version(cmd.network)
	if nil != err {
		error_handler.ErrorExit(err)
	}
	fmt.Printf("Connected to Brooklyn version %s at %s\n", loginVersion.Version, cmd.network.BrooklynUrl)
}

// BeforeApp is an action that is executed before any cli command.
func BeforeApp(c *cli.Context) error {
	if c.GlobalBool("verbose") {
		logrus.SetLevel(logrus.DebugLevel)
	}
	if version.ShowWarning() {
		logrus.Warning("Note: This is an experimental alternate implementation of the Compose CLI (https://github.com/docker/compose)")
	}
	return nil
}

func mustNewAuthAPI(c *cli.Context) client.AuthAPI {
	hc := mustNewClient(c)

	if c.GlobalBool("debug") {
		fmt.Fprintf(os.Stderr, "Cluster-Endpoints: %s\n", strings.Join(hc.Endpoints(), ", "))
	}

	return client.NewAuthAPI(hc)
}

func mustNewClient(c *cli.Context) client.Client {
	hc, err := newClient(c)
	if err != nil {
		fmt.Fprintln(os.Stderr, err.Error())
		os.Exit(1)
	}

	debug := c.GlobalBool("debug")
	if debug {
		client.EnablecURLDebug()
	}

	if !c.GlobalBool("no-sync") {
		if debug {
			fmt.Fprintf(os.Stderr, "start to sync cluster using endpoints(%s)\n", strings.Join(hc.Endpoints(), ","))
		}
		ctx, cancel := contextWithTotalTimeout(c)
		err := hc.Sync(ctx)
		cancel()
		if err != nil {
			if err == client.ErrNoEndpoints {
				fmt.Fprintf(os.Stderr, "etcd cluster has no published client endpoints.\n")
				fmt.Fprintf(os.Stderr, "Try '--no-sync' if you want to access non-published client endpoints(%s).\n", strings.Join(hc.Endpoints(), ","))
				handleError(ExitServerError, err)
			}

			if isConnectionError(err) {
				handleError(ExitBadConnection, err)
			}

			// fail-back to try sync cluster with peer API. this is for making etcdctl work with etcd 0.4.x.
			// TODO: remove this when we deprecate the support for etcd 0.4.
			eps, serr := syncWithPeerAPI(c, ctx, hc.Endpoints())
			if serr != nil {
				if isConnectionError(serr) {
					handleError(ExitBadConnection, serr)
				} else {
					handleError(ExitServerError, serr)
				}
			}
			err = hc.SetEndpoints(eps)
			if err != nil {
				handleError(ExitServerError, err)
			}
		}
		if debug {
			fmt.Fprintf(os.Stderr, "got endpoints(%s) after sync\n", strings.Join(hc.Endpoints(), ","))
		}
	}

	if debug {
		fmt.Fprintf(os.Stderr, "Cluster-Endpoints: %s\n", strings.Join(hc.Endpoints(), ", "))
	}

	return hc
}

func getDiscoveryDomain(c *cli.Context) (domainstr string, insecure bool) {
	domainstr = c.GlobalString("discovery-srv")
	// Use an environment variable if nothing was supplied on the
	// command line
	if domainstr == "" {
		domainstr = os.Getenv("ETCDCTL_DISCOVERY_SRV")
	}
	insecure = c.GlobalBool("insecure-discovery") || (os.Getenv("ETCDCTL_INSECURE_DISCOVERY") != "")
	return domainstr, insecure
}

func setup(c *cli.Context) error {
	logrus.SetOutput(os.Stderr)

	if c.GlobalBool("debug") {
		logrus.SetLevel(logrus.DebugLevel)
	} else {
		logrus.SetLevel(logrus.WarnLevel)
	}

	return nil
}

func mustNewClientNoSync(c *cli.Context) client.Client {
	hc, err := newClient(c)
	if err != nil {
		fmt.Fprintln(os.Stderr, err.Error())
		os.Exit(1)
	}

	if c.GlobalBool("debug") {
		fmt.Fprintf(os.Stderr, "Cluster-Endpoints: %s\n", strings.Join(hc.Endpoints(), ", "))
		client.EnablecURLDebug()
	}

	return hc
}

//parse sql connection string from cli flags
func ParseConnStr(c *cli.Context) string {
	otherParams := "sslmode=disable connect_timeout=5"
	if c.GlobalBool("ssl") {
		otherParams = "sslmode=require connect_timeout=5"
	}
	return fmt.Sprintf("user=%s dbname=%s password='%s' host=%s port=%s %s",
		c.GlobalString("username"),
		c.GlobalString("dbname"),
		c.GlobalString("pass"),
		c.GlobalString("host"),
		c.GlobalString("port"),
		otherParams,
	)
}

// loadFactory returns the configured factory instance for execing containers.
func loadFactory(context *cli.Context) (libcontainer.Factory, error) {
	root := context.GlobalString("root")
	abs, err := filepath.Abs(root)
	if err != nil {
		return nil, err
	}
	cgroupManager := libcontainer.Cgroupfs
	if context.GlobalBool("systemd-cgroup") {
		if systemd.UseSystemd() {
			cgroupManager = libcontainer.SystemdCgroups
		} else {
			return nil, fmt.Errorf("systemd cgroup flag passed, but systemd support for managing cgroups is not available")
		}
	}
	return libcontainer.New(abs, cgroupManager, libcontainer.CriuPath(context.GlobalString("criu")))
}

func createContainer(context *cli.Context, id string, spec *specs.Spec) (libcontainer.Container, error) {
	config, err := specconv.CreateLibcontainerConfig(&specconv.CreateOpts{
		CgroupName:       id,
		UseSystemdCgroup: context.GlobalBool("systemd-cgroup"),
		NoPivotRoot:      context.Bool("no-pivot"),
		NoNewKeyring:     context.Bool("no-new-keyring"),
		Spec:             spec,
	})
	if err != nil {
		return nil, err
	}

	factory, err := loadFactory(context)
	if err != nil {
		return nil, err
	}
	return factory.Create(id, config)
}

// Populate updates the specified docker context based on command line arguments and subcommands.
func Populate(context *docker.Context, c *cli.Context) {
	command.Populate(&context.Context, c)

	context.ConfigDir = c.String("configdir")

	opts := client.Options{}
	opts.TLS = c.GlobalBool("tls")
	opts.TLSVerify = c.GlobalBool("tlsverify")
	opts.TLSOptions.CAFile = c.GlobalString("tlscacert")
	opts.TLSOptions.CertFile = c.GlobalString("tlscert")
	opts.TLSOptions.KeyFile = c.GlobalString("tlskey")

	clientFactory, err := client.NewDefaultFactory(opts)
	if err != nil {
		logrus.Fatalf("Failed to construct Docker client: %v", err)
	}

	context.ClientFactory = clientFactory
}

func mustNewClient(c *cli.Context) client.Client {
	hc, err := newClient(c)
	if err != nil {
		fmt.Fprintln(os.Stderr, err.Error())
		os.Exit(1)
	}

	debug := c.GlobalBool("debug")
	if debug {
		client.EnablecURLDebug()
	}

	if !c.GlobalBool("no-sync") {
		if debug {
			fmt.Fprintf(os.Stderr, "start to sync cluster using endpoints(%s)\n", strings.Join(hc.Endpoints(), ","))
		}
		ctx, cancel := contextWithTotalTimeout(c)
		err := hc.Sync(ctx)
		cancel()
		if err != nil {
			if err == client.ErrNoEndpoints {
				fmt.Fprintf(os.Stderr, "etcd cluster has no published client endpoints.\n")
				fmt.Fprintf(os.Stderr, "Try '--no-sync' if you want to access non-published client endpoints(%s).\n", strings.Join(hc.Endpoints(), ","))
				handleError(ExitServerError, err)
			}
			if isConnectionError(err) {
				handleError(ExitBadConnection, err)
			}
		}
		if debug {
			fmt.Fprintf(os.Stderr, "got endpoints(%s) after sync\n", strings.Join(hc.Endpoints(), ","))
		}
	}

	if debug {
		fmt.Fprintf(os.Stderr, "Cluster-Endpoints: %s\n", strings.Join(hc.Endpoints(), ", "))
	}

	return hc
}

func handleTOS(c *cli.Context, client *acme.Client, acc *Account) {
	// Check for a global accept override
	if c.GlobalBool("accept-tos") {
		err := client.AgreeToTOS()
		if err != nil {
			logger().Fatalf("Could not agree to TOS: %s", err.Error())
		}

		acc.Save()
		return
	}

	reader := bufio.NewReader(os.Stdin)
	logger().Printf("Please review the TOS at %s", acc.Registration.TosURL)

	for {
		logger().Println("Do you accept the TOS? Y/n")
		text, err := reader.ReadString('\n')
		if err != nil {
			logger().Fatalf("Could not read from console: %s", err.Error())
		}

		text = strings.Trim(text, "\r\n")

		if text == "n" {
			logger().Fatal("You did not accept the TOS. Unable to proceed.")
		}

		if text == "Y" || text == "y" || text == "" {
			err = client.AgreeToTOS()
			if err != nil {
				logger().Fatalf("Could not agree to TOS: %s", err.Error())
			}
			acc.Save()
			break
		}

		logger().Println("Your input was invalid. Please answer with one of Y/y, n or by pressing enter.")
	}
}