Golang Client.ProfileConfig方法代码示例

func doProfileShow(client *lxd.Client, p string) error {
	profile, err := client.ProfileConfig(p)
	if err != nil {
		return err
	}

	data, err := yaml.Marshal(&profile)
	fmt.Printf("%s", data)

	return nil
}

// verifyDefaultProfileBridgeConfig takes a LXD API client and extracts the
// network bridge configured on the "default" profile. Additionally, if the
// default bridge bridge is used, its configuration in LXDBridgeFile is also
// inspected to make sure it has a chance to work.
func verifyDefaultProfileBridgeConfig(client *lxd.Client) (string, error) {
	const (
		defaultProfileName = "default"
		configTypeKey      = "type"
		configTypeNic      = "nic"
		configNicTypeKey   = "nictype"
		configBridged      = "bridged"
		configEth0         = "eth0"
		configParentKey    = "parent"
	)

	config, err := client.ProfileConfig(defaultProfileName)
	if err != nil {
		return "", errors.Trace(err)
	}

	// If the default profile doesn't have eth0 in it, then the user has messed
	// with it, so let's just use whatever they set up.
	eth0, ok := config.Devices[configEth0]
	if !ok {
		return "", errors.Errorf("unexpected LXD %q profile config without eth0: %+v", defaultProfileName, config)
	}

	// If eth0 is there, but not with the expected attributes, likewise fail
	// early.
	if eth0[configTypeKey] != configTypeNic || eth0[configNicTypeKey] != configBridged {
		return "", errors.Errorf("unexpected LXD %q profile config: %+v", defaultProfileName, config)
	}

	bridgeName := eth0[configParentKey]
	logger.Infof(`LXD "default" profile uses network bridge %q`, bridgeName)

	if bridgeName != network.DefaultLXDBridge {
		// When the user changed which bridge to use, just return its name and
		// check no further.
		return bridgeName, nil
	}

	bridgeConfig, err := ioutil.ReadFile(LXDBridgeFile)
	if os.IsNotExist(err) {
		return "", bridgeConfigError("lxdbr0 configured but no config file found at " + LXDBridgeFile)
	} else if err != nil {
		return "", errors.Trace(err)
	}

	if err := checkLXDBridgeConfiguration(string(bridgeConfig)); err != nil {
		return "", errors.Trace(err)
	}

	return bridgeName, nil
}

func (c *networkCmd) doNetworkDetachProfile(client *lxd.Client, name string, args []string) error {
	if len(args) < 1 || len(args) > 2 {
		return errArgs
	}

	profileName := args[0]
	devName := ""
	if len(args) > 1 {
		devName = args[1]
	}

	profile, err := client.ProfileConfig(profileName)
	if err != nil {
		return err
	}

	if devName == "" {
		for n, d := range profile.Devices {
			if d["type"] == "nic" && d["parent"] == name {
				if devName != "" {
					return fmt.Errorf(i18n.G("More than one device matches, specify the device name."))
				}

				devName = n
			}
		}
	}

	if devName == "" {
		return fmt.Errorf(i18n.G("No device found for this network"))
	}

	device, ok := profile.Devices[devName]
	if !ok {
		return fmt.Errorf(i18n.G("The specified device doesn't exist"))
	}

	if device["type"] != "nic" || device["parent"] != name {
		return fmt.Errorf(i18n.G("The specified device doesn't match the network"))
	}

	_, err = client.ProfileDeviceDelete(profileName, devName)
	return err
}

func doProfileEdit(client *lxd.Client, p string) error {
	if !terminal.IsTerminal(syscall.Stdin) {
		contents, err := ioutil.ReadAll(os.Stdin)
		if err != nil {
			return err
		}

		newdata := shared.ProfileConfig{}
		err = yaml.Unmarshal(contents, &newdata)
		if err != nil {
			return err
		}
		newdata.Name = p
		return client.PutProfile(p, newdata)
	}

	profile, err := client.ProfileConfig(p)
	if err != nil {
		return err
	}
	editor := os.Getenv("VISUAL")
	if editor == "" {
		editor = os.Getenv("EDITOR")
		if editor == "" {
			editor = "vi"
		}
	}
	data, err := yaml.Marshal(&profile)
	f, err := ioutil.TempFile("", "lxd_lxc_profile_")
	if err != nil {
		return err
	}
	fname := f.Name()
	if err = f.Chmod(0600); err != nil {
		f.Close()
		os.Remove(fname)
		return err
	}
	f.Write([]byte(profileEditHelp + "\n"))
	f.Write(data)
	f.Close()
	defer os.Remove(fname)

	for {
		var err error
		cmdParts := strings.Fields(editor)
		cmd := exec.Command(cmdParts[0], append(cmdParts[1:], fname)...)
		cmd.Stdin = os.Stdin
		cmd.Stdout = os.Stdout
		cmd.Stderr = os.Stderr
		err = cmd.Run()
		if err != nil {
			return err
		}
		contents, err := ioutil.ReadFile(fname)
		if err != nil {
			return err
		}
		newdata := shared.ProfileConfig{}

		err = yaml.Unmarshal(contents, &newdata)
		if err == nil {
			err = client.PutProfile(p, newdata)
		}

		if err != nil {
			fmt.Fprintf(os.Stderr, gettext.Gettext("Config parsing error: %s")+"\n", err)
			fmt.Println(gettext.Gettext("Press enter to open the editor again"))
			_, err := os.Stdin.Read(make([]byte, 1))
			if err != nil {
				return err
			}
			continue
		}
		break
	}
	return nil
}

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

		newdata := shared.ProfileConfig{}
		err = yaml.Unmarshal(contents, &newdata)
		if err != nil {
			return err
		}
		return client.PutProfile(p, newdata)
	}

	// Extract the current value
	profile, err := client.ProfileConfig(p)
	if err != nil {
		return err
	}

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

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

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

// verifyDefaultProfileBridgeConfig takes a LXD API client and extracts the
// network bridge configured on the "default" profile. Additionally, if the
// default bridge bridge is used, its configuration in LXDBridgeFile is also
// inspected to make sure it has a chance to work.
func verifyDefaultProfileBridgeConfig(client *lxd.Client, networkAPISupported bool) (string, error) {
	const (
		defaultProfileName = "default"
		configTypeKey      = "type"
		configTypeNic      = "nic"
		configNicTypeKey   = "nictype"
		configBridged      = "bridged"
		configEth0         = "eth0"
		configParentKey    = "parent"
	)

	config, err := client.ProfileConfig(defaultProfileName)
	if err != nil {
		return "", errors.Trace(err)
	}

	eth0, ok := config.Devices[configEth0]
	if !ok {
		/* on lxd >= 2.3, there is nothing in the default profile
		 * w.r.t. eth0, because there is no lxdbr0 by default. Let's
		 * handle this case and configure one now.
		 */
		if networkAPISupported {
			if err := CreateDefaultBridgeInDefaultProfile(client); err != nil {
				return "", errors.Annotate(err, "couldn't create default bridge")
			}

			return network.DefaultLXDBridge, nil
		}
		return "", errors.Errorf("unexpected LXD %q profile config without eth0: %+v", defaultProfileName, config)
	} else if networkAPISupported {
		if err := checkBridgeConfig(client, eth0[configParentKey]); err != nil {
			return "", err
		}
	}

	// If eth0 is there, but not with the expected attributes, likewise fail
	// early.
	if eth0[configTypeKey] != configTypeNic || eth0[configNicTypeKey] != configBridged {
		return "", errors.Errorf("unexpected LXD %q profile config: %+v", defaultProfileName, config)
	}

	bridgeName := eth0[configParentKey]
	logger.Infof(`LXD "default" profile uses network bridge %q`, bridgeName)

	if bridgeName != network.DefaultLXDBridge {
		// When the user changed which bridge to use, just return its name and
		// check no further.
		return bridgeName, nil
	}

	/* if the network API is supported, that means the lxd-bridge config
	 * file has been obsoleted so we don't need to check it for correctness
	 */
	if networkAPISupported {
		return bridgeName, nil
	}

	bridgeConfig, err := ioutil.ReadFile(LXDBridgeFile)
	if os.IsNotExist(err) {
		return "", bridgeConfigError("lxdbr0 configured but no config file found at " + LXDBridgeFile)
	} else if err != nil {
		return "", errors.Trace(err)
	}

	if err := checkLXDBridgeConfiguration(string(bridgeConfig)); err != nil {
		return "", errors.Trace(err)
	}

	return bridgeName, nil
}

func doProfileEdit(client *lxd.Client, p string) error {
	if !terminal.IsTerminal(syscall.Stdin) {
		contents, err := ioutil.ReadAll(os.Stdin)
		if err != nil {
			return err
		}

		newdata := shared.ProfileConfig{}
		err = yaml.Unmarshal(contents, &newdata)
		if err != nil {
			return err
		}
		return client.PutProfile(p, newdata)
	}

	profile, err := client.ProfileConfig(p)
	if err != nil {
		return err
	}
	editor := os.Getenv("VISUAL")
	if editor == "" {
		editor = os.Getenv("EDITOR")
		if editor == "" {
			editor = "vi"
		}
	}
	data, err := yaml.Marshal(&profile)
	f, err := ioutil.TempFile("", "lxd_lxc_profile_")
	if err != nil {
		return err
	}
	fname := f.Name()
	if err = f.Chmod(0600); err != nil {
		f.Close()
		os.Remove(fname)
		return err
	}
	f.Write([]byte(profileEditHelp))
	f.Write(data)
	f.Close()
	defer os.Remove(fname)

	for {
		cmd := exec.Command(editor, fname)
		cmd.Stdin = os.Stdin
		cmd.Stdout = os.Stdout
		cmd.Stderr = os.Stderr
		err = cmd.Run()
		if err != nil {
			return err
		}
		contents, err := ioutil.ReadFile(fname)
		if err != nil {
			return err
		}
		newdata := shared.ProfileConfig{}
		err = yaml.Unmarshal(contents, &newdata)
		if err != nil {
			fmt.Fprintf(os.Stderr, gettext.Gettext("YAML parse error %v\n"), err)
			fmt.Printf("Press enter to play again ")
			_, err := os.Stdin.Read(make([]byte, 1))
			if err != nil {
				return err
			}

			continue
		}
		err = client.PutProfile(p, newdata)
		break
	}
	return err
}

func cmdCreate(c *lxd.Client, args []string) error {
	var wgBatch sync.WaitGroup

	// A path must be provided
	if len(args) < 1 {
		return fmt.Errorf("A path must be passed to create.")
	}

	// Load the simulation
	routersMap, err := importFromCSV(args[0])
	if err != nil {
		return err
	}

	routers := []*Router{}
	for _, v := range routersMap {
		if v.Tier < 1 {
			continue
		}

		routers = append(routers, v)
	}

	// Clear any existing images
	fp := c.GetAlias("internet-router")
	if fp != "" {
		logf("Deleting the existing router image: %s", fp)
		err = c.DeleteImage(fp)
		if err != nil {
			return err
		}
	}

	// Load the image
	logf("Importing the router image")
	_, err = c.PostImage("image/image-meta.tar.xz", "image/image-rootfs.tar.xz", nil, false, []string{"internet-router"}, nil)
	if err != nil {
		return err
	}
	logf("New router image imported: %s", fp)

	// Create the profile
	_, err = c.ProfileConfig("internet-base")
	if err != nil {
		logf("Creating the profile")
		err := c.ProfileCreate("internet-base")
		if err != nil {
			return err
		}
	}

	// Helper function
	createContainer := func(router *Router) {
		defer wgBatch.Done()

		var interfaces string
		var bgpd string

		// Configuration
		config := map[string]string{}
		devices := map[string]map[string]string{}

		config["user.internet.type"] = "router"
		config["user.internet.organization"] = router.Organization
		config["user.internet.priority"] = fmt.Sprintf("%d", router.Priority)
		config["user.internet.tier"] = fmt.Sprintf("%d", router.Tier)
		config["user.internet.location"] = router.Location

		for i, r := range router.DNS {
			config[fmt.Sprintf("user.internet.dns.%d", i)] = r
		}

		config["user.internet.router.fqdn"] = router.Configuration.FQDN
		config["user.internet.router.asn"] = fmt.Sprintf("%d", router.Configuration.ASN)
		config["user.internet.router.password.login"] = router.Configuration.PasswordLogin
		config["user.internet.router.password.enable"] = router.Configuration.PasswordEnable
		if router.Configuration.RouterID != nil {
			config["user.internet.router.routerid"] = router.Configuration.RouterID.String()
		}

		if router.Internal {
			config["user.internet.internal"] = "true"
		} else {
			config["user.internet.internal"] = "false"
		}

		if router.Tier >= 1 && router.Tier <= 3 {
			interfaces = fmt.Sprintf(`auto lo
iface lo inet loopback
    pre-up echo 0 > /proc/sys/net/ipv6/conf/all/accept_dad || true
    post-up echo 1 > /proc/sys/net/ipv6/conf/all/forwarding || true

auto local
iface local inet6 manual
    pre-up ip link add local type dummy || true
    pre-up ip link set local up || true
`)
		}

		for i, r := range router.Configuration.Loopback.Addresses {
//.........这里部分代码省略.........