Exemplo n.º 1
0
func (c *launchCmd) run(config *lxd.Config, args []string) error {
	if len(args) > 2 || len(args) < 1 {
		return errArgs
	}

	iremote, image := config.ParseRemoteAndContainer(args[0])

	var name string
	var remote string
	if len(args) == 2 {
		remote, name = config.ParseRemoteAndContainer(args[1])
	} else {
		remote, name = config.ParseRemoteAndContainer("")
	}

	d, err := lxd.NewClient(config, remote)
	if err != nil {
		return err
	}

	/*
	 * requested_empty_profiles means user requested empty
	 * !requested_empty_profiles but len(profArgs) == 0 means use profile default
	 */
	var resp *lxd.Response
	profiles := []string{}
	for _, p := range profArgs {
		profiles = append(profiles, p)
	}
	if !requested_empty_profiles && len(profiles) == 0 {
		resp, err = d.Init(name, iremote, image, nil, configMap, ephem)
	} else {
		resp, err = d.Init(name, iremote, image, &profiles, configMap, ephem)
	}
	if err != nil {
		return err
	}

	if name == "" {
		op, err := resp.MetadataAsOperation()
		if err != nil {
			return fmt.Errorf(i18n.G("didn't get any affected image, container or snapshot from server"))
		}

		containers, ok := op.Resources["containers"]
		if !ok || len(containers) == 0 {
			return fmt.Errorf(i18n.G("didn't get any affected image, container or snapshot from server"))
		}

		var version string
		toScan := strings.Replace(containers[0], "/", " ", -1)
		count, err := fmt.Sscanf(toScan, " %s containers %s", &version, &name)
		if err != nil {
			return err
		}

		if count != 2 {
			return fmt.Errorf(i18n.G("bad number of things scanned from image, container or snapshot"))
		}

		if version != shared.APIVersion {
			return fmt.Errorf(i18n.G("got bad version"))
		}
	}
	fmt.Printf(i18n.G("Creating %s")+" ", name)

	if err = d.WaitForSuccess(resp.Operation); err != nil {
		return err
	}
	fmt.Println(i18n.G("done."))

	fmt.Printf(i18n.G("Starting %s")+" ", name)
	resp, err = d.Action(name, shared.Start, -1, false)
	if err != nil {
		return err
	}

	err = d.WaitForSuccess(resp.Operation)
	if err != nil {
		fmt.Println(i18n.G("error."))
		return fmt.Errorf("%s\n"+i18n.G("Try `lxc info --show-log %s` for more info"), err, name)
	}

	fmt.Println(i18n.G("done."))

	return nil
}
Exemplo n.º 2
0
Arquivo: init.go Projeto: vahe/lxd
func (c *initCmd) run(config *lxd.Config, args []string) error {
	if len(args) > 2 || len(args) < 1 {
		return errArgs
	}

	iremote, image := config.ParseRemoteAndContainer(args[0])

	var name string
	var remote string
	if len(args) == 2 {
		remote, name = config.ParseRemoteAndContainer(args[1])
	} else {
		remote, name = config.ParseRemoteAndContainer("")
	}

	d, err := lxd.NewClient(config, remote)
	if err != nil {
		return err
	}

	// TODO: implement the syntax for supporting other image types/remotes

	/*
	 * initRequestedEmptyProfiles means user requested empty
	 * !initRequestedEmptyProfiles but len(profArgs) == 0 means use profile default
	 */
	profiles := []string{}
	for _, p := range c.profArgs {
		profiles = append(profiles, p)
	}

	var resp *lxd.Response
	if name == "" {
		fmt.Printf(i18n.G("Creating the container") + "\n")
	} else {
		fmt.Printf(i18n.G("Creating %s")+"\n", name)
	}

	iremote, image = c.guessImage(config, d, remote, iremote, image)

	devicesMap := map[string]shared.Device{}
	if c.network != "" {
		network, err := d.NetworkGet(c.network)
		if err != nil {
			return err
		}

		if network.Type == "bridge" {
			devicesMap[c.network] = shared.Device{"type": "nic", "nictype": "bridged", "parent": c.network}
		} else {
			devicesMap[c.network] = shared.Device{"type": "nic", "nictype": "macvlan", "parent": c.network}
		}
	}

	if !initRequestedEmptyProfiles && len(profiles) == 0 {
		resp, err = d.Init(name, iremote, image, nil, configMap, devicesMap, c.ephem)
	} else {
		resp, err = d.Init(name, iremote, image, &profiles, configMap, devicesMap, c.ephem)
	}
	if err != nil {
		return err
	}

	c.initProgressTracker(d, resp.Operation)

	err = d.WaitForSuccess(resp.Operation)

	if err != nil {
		return err
	} else {
		op, err := resp.MetadataAsOperation()
		if err != nil {
			return fmt.Errorf(i18n.G("didn't get any affected image, container or snapshot from server"))
		}

		containers, ok := op.Resources["containers"]
		if !ok || len(containers) == 0 {
			return fmt.Errorf(i18n.G("didn't get any affected image, container or snapshot from server"))
		}

		if len(containers) == 1 && name == "" {
			fields := strings.Split(containers[0], "/")
			fmt.Printf(i18n.G("Container name is: %s")+"\n", fields[len(fields)-1])
		}
	}

	c.checkNetwork(d, name)

	return nil
}
Exemplo n.º 3
0
func (c *initCmd) run(config *lxd.Config, args []string) error {
	if len(args) > 2 || len(args) < 1 {
		return errArgs
	}

	iremote, image := config.ParseRemoteAndContainer(args[0])

	var name string
	var remote string
	if len(args) == 2 {
		remote, name = config.ParseRemoteAndContainer(args[1])
	} else {
		remote, name = config.ParseRemoteAndContainer("")
	}

	d, err := lxd.NewClient(config, remote)
	if err != nil {
		return err
	}

	// TODO: implement the syntax for supporting other image types/remotes

	/*
	 * requested_empty_profiles means user requested empty
	 * !requested_empty_profiles but len(profArgs) == 0 means use profile default
	 */
	profiles := []string{}
	for _, p := range profArgs {
		profiles = append(profiles, p)
	}

	var resp *lxd.Response
	if name == "" {
		fmt.Printf(i18n.G("Creating") + " ")
	} else {
		fmt.Printf(i18n.G("Creating %s")+" ", name)
	}
	if !requested_empty_profiles && len(profiles) == 0 {
		resp, err = d.Init(name, iremote, image, nil, configMap, ephem)
	} else {
		resp, err = d.Init(name, iremote, image, &profiles, configMap, ephem)
	}

	if err != nil {
		return err
	}

	err = d.WaitForSuccess(resp.Operation)
	if err != nil {
		fmt.Println(i18n.G("error."))
		return err
	} else {
		op, err := resp.MetadataAsOperation()
		if err != nil {
			return fmt.Errorf(i18n.G("didn't get any affected image, container or snapshot from server"))
		}

		containers, ok := op.Resources["containers"]
		if !ok || len(containers) == 0 {
			return fmt.Errorf(i18n.G("didn't get any affected image, container or snapshot from server"))
		}

		if len(containers) == 1 && name == "" {
			cname := path.Base(containers[0])
			fmt.Println(cname, i18n.G("done."))
		} else {
			fmt.Println(i18n.G("done."))
		}
	}
	return nil
}
Exemplo n.º 4
0
Arquivo: copy.go Projeto: vahe/lxd
func (c *copyCmd) copyContainer(config *lxd.Config, sourceResource string, destResource string, keepVolatile bool, ephemeral int) error {
	sourceRemote, sourceName := config.ParseRemoteAndContainer(sourceResource)
	destRemote, destName := config.ParseRemoteAndContainer(destResource)

	if sourceName == "" {
		return fmt.Errorf(i18n.G("you must specify a source container name"))
	}

	if destName == "" && destResource != "" {
		destName = sourceName
	}

	source, err := lxd.NewClient(config, sourceRemote)
	if err != nil {
		return err
	}

	var status struct {
		Architecture string
		Devices      shared.Devices
		Config       map[string]string
		Profiles     []string
	}

	// TODO: presumably we want to do this for copying snapshots too? We
	// need to think a bit more about how we track the baseImage in the
	// face of LVM and snapshots in general; this will probably make more
	// sense once that work is done.
	baseImage := ""

	if !shared.IsSnapshot(sourceName) {
		result, err := source.ContainerInfo(sourceName)
		if err != nil {
			return err
		}

		status.Architecture = result.Architecture
		status.Devices = result.Devices
		status.Config = result.Config
		status.Profiles = result.Profiles

	} else {
		result, err := source.SnapshotInfo(sourceName)
		if err != nil {
			return err
		}

		status.Architecture = result.Architecture
		status.Devices = result.Devices
		status.Config = result.Config
		status.Profiles = result.Profiles
	}

	if c.profArgs != nil {
		status.Profiles = append(status.Profiles, c.profArgs...)
	}

	if configMap != nil {
		for key, value := range configMap {
			status.Config[key] = value
		}
	}

	baseImage = status.Config["volatile.base_image"]

	if !keepVolatile {
		for k := range status.Config {
			if strings.HasPrefix(k, "volatile") {
				delete(status.Config, k)
			}
		}
	}

	// Do a local copy if the remotes are the same, otherwise do a migration
	if sourceRemote == destRemote {
		if sourceName == destName {
			return fmt.Errorf(i18n.G("can't copy to the same container name"))
		}

		cp, err := source.LocalCopy(sourceName, destName, status.Config, status.Profiles, ephemeral == 1)
		if err != nil {
			return err
		}

		err = source.WaitForSuccess(cp.Operation)
		if err != nil {
			return err
		}

		if destResource == "" {
			op, err := cp.MetadataAsOperation()
			if err != nil {
				return fmt.Errorf(i18n.G("didn't get any affected image, container or snapshot from server"))
			}

			containers, ok := op.Resources["containers"]
			if !ok || len(containers) == 0 {
				return fmt.Errorf(i18n.G("didn't get any affected image, container or snapshot from server"))
			}

			fields := strings.Split(containers[0], "/")
			fmt.Printf(i18n.G("Container name is: %s")+"\n", fields[len(fields)-1])
		}

		return nil
	}

	dest, err := lxd.NewClient(config, destRemote)
	if err != nil {
		return err
	}

	sourceProfs := shared.NewStringSet(status.Profiles)
	destProfs := []string{}

	profiles, err := dest.ListProfiles()
	if err != nil {
		return err
	}

	for _, profile := range profiles {
		destProfs = append(destProfs, profile.Name)
	}

	if !sourceProfs.IsSubset(shared.NewStringSet(destProfs)) {
		return fmt.Errorf(i18n.G("not all the profiles from the source exist on the target"))
	}

	if ephemeral == -1 {
		ct, err := source.ContainerInfo(sourceName)
		if err != nil {
			return err
		}

		if ct.Ephemeral {
			ephemeral = 1
		} else {
			ephemeral = 0
		}
	}

	sourceWSResponse, err := source.GetMigrationSourceWS(sourceName)
	if err != nil {
		return err
	}

	secrets := map[string]string{}

	op, err := sourceWSResponse.MetadataAsOperation()
	if err != nil {
		return err
	}

	for k, v := range *op.Metadata {
		secrets[k] = v.(string)
	}

	addresses, err := source.Addresses()
	if err != nil {
		return err
	}

	/* Since we're trying a bunch of different network ports that
	 * may be invalid, we can get "bad handshake" errors when the
	 * websocket code tries to connect. If the first error is a
	 * real error, but the subsequent errors are only network
	 * errors, we should try to report the first real error. Of
	 * course, if all the errors are websocket errors, let's just
	 * report that.
	 */
	for _, addr := range addresses {
		var migration *lxd.Response

		sourceWSUrl := "https://" + addr + sourceWSResponse.Operation
		migration, err = dest.MigrateFrom(destName, sourceWSUrl, source.Certificate, secrets, status.Architecture, status.Config, status.Devices, status.Profiles, baseImage, ephemeral == 1, false, source, sourceWSResponse.Operation)
		if err != nil {
			continue
		}

		if err := source.WaitForSuccess(sourceWSResponse.Operation); err != nil {
			return err
		}

		// If push mode is implemented then MigrateFrom will return a
		// non-waitable operation. So this needs to be conditionalized
		// on pull mode.
		if err = dest.WaitForSuccess(migration.Operation); err != nil {
			return err
		}

		if destResource == "" {
			op, err := migration.MetadataAsOperation()
			if err != nil {
				return fmt.Errorf(i18n.G("didn't get any affected image, container or snapshot from server"))
			}

			containers, ok := op.Resources["containers"]
			if !ok || len(containers) == 0 {
				return fmt.Errorf(i18n.G("didn't get any affected image, container or snapshot from server"))
			}

			fields := strings.Split(containers[0], "/")
			fmt.Printf(i18n.G("Container name is: %s")+"\n", fields[len(fields)-1])
		}

		return nil
	}

	return err
}
Exemplo n.º 5
0
func (c *launchCmd) run(config *lxd.Config, args []string) error {
	if len(args) > 2 || len(args) < 1 {
		return errArgs
	}

	iremote, image := config.ParseRemoteAndContainer(args[0])

	var name string
	var remote string
	if len(args) == 2 {
		remote, name = config.ParseRemoteAndContainer(args[1])
	} else {
		remote, name = config.ParseRemoteAndContainer("")
	}

	d, err := lxd.NewClient(config, remote)
	if err != nil {
		return err
	}

	/*
	 * initRequestedEmptyProfiles means user requested empty
	 * !initRequestedEmptyProfiles but len(profArgs) == 0 means use profile default
	 */
	var resp *lxd.Response
	profiles := []string{}
	for _, p := range c.init.profArgs {
		profiles = append(profiles, p)
	}

	iremote, image = c.init.guessImage(config, d, remote, iremote, image)

	devicesMap := map[string]shared.Device{}
	if c.init.network != "" {
		network, err := d.NetworkGet(c.init.network)
		if err != nil {
			return err
		}

		if network.Type == "bridge" {
			devicesMap[c.init.network] = shared.Device{"type": "nic", "nictype": "bridged", "parent": c.init.network}
		} else {
			devicesMap[c.init.network] = shared.Device{"type": "nic", "nictype": "macvlan", "parent": c.init.network}
		}
	}

	if !initRequestedEmptyProfiles && len(profiles) == 0 {
		resp, err = d.Init(name, iremote, image, nil, configMap, devicesMap, c.init.ephem)
	} else {
		resp, err = d.Init(name, iremote, image, &profiles, configMap, devicesMap, c.init.ephem)
	}

	if err != nil {
		return err
	}

	progress := ProgressRenderer{}
	c.init.initProgressTracker(d, &progress, resp.Operation)

	if name == "" {
		op, err := resp.MetadataAsOperation()
		if err != nil {
			return fmt.Errorf(i18n.G("didn't get any affected image, container or snapshot from server"))
		}

		containers, ok := op.Resources["containers"]
		if !ok || len(containers) == 0 {
			return fmt.Errorf(i18n.G("didn't get any affected image, container or snapshot from server"))
		}

		var version string
		toScan := strings.Replace(containers[0], "/", " ", -1)
		count, err := fmt.Sscanf(toScan, " %s containers %s", &version, &name)
		if err != nil {
			return err
		}

		if count != 2 {
			return fmt.Errorf(i18n.G("bad number of things scanned from image, container or snapshot"))
		}

		if version != shared.APIVersion {
			return fmt.Errorf(i18n.G("got bad version"))
		}
	}
	fmt.Printf(i18n.G("Creating %s")+"\n", name)

	if err = d.WaitForSuccess(resp.Operation); err != nil {
		return err
	}
	progress.Done("")

	c.init.checkNetwork(d, name)

	fmt.Printf(i18n.G("Starting %s")+"\n", name)
	resp, err = d.Action(name, shared.Start, -1, false, false)
	if err != nil {
		return err
	}

	err = d.WaitForSuccess(resp.Operation)
	if err != nil {
		prettyName := name
		if remote != "" {
			prettyName = fmt.Sprintf("%s:%s", remote, name)
		}

		return fmt.Errorf("%s\n"+i18n.G("Try `lxc info --show-log %s` for more info"), err, prettyName)
	}

	return nil
}