Exemplo n.º 1
0
func (opts *nodeOptions) ToNodeSpec() (swarm.NodeSpec, error) {
	var spec swarm.NodeSpec

	spec.Annotations.Name = opts.annotations.name
	spec.Annotations.Labels = runconfigopts.ConvertKVStringsToMap(opts.annotations.labels.GetAll())

	switch swarm.NodeRole(strings.ToLower(opts.role)) {
	case swarm.NodeRoleWorker:
		spec.Role = swarm.NodeRoleWorker
	case swarm.NodeRoleManager:
		spec.Role = swarm.NodeRoleManager
	case "":
	default:
		return swarm.NodeSpec{}, fmt.Errorf("invalid role %q, only worker and manager are supported", opts.role)
	}

	switch swarm.NodeAvailability(strings.ToLower(opts.availability)) {
	case swarm.NodeAvailabilityActive:
		spec.Availability = swarm.NodeAvailabilityActive
	case swarm.NodeAvailabilityPause:
		spec.Availability = swarm.NodeAvailabilityPause
	case swarm.NodeAvailabilityDrain:
		spec.Availability = swarm.NodeAvailabilityDrain
	case "":
	default:
		return swarm.NodeSpec{}, fmt.Errorf("invalid availability %q, only active, pause and drain are supported", opts.availability)
	}

	return spec, nil
}
Exemplo n.º 2
0
// NodeFromGRPC converts a grpc Node to a Node.
func NodeFromGRPC(n swarmapi.Node) types.Node {
	node := types.Node{
		ID: n.ID,
		Spec: types.NodeSpec{
			Role:         types.NodeRole(strings.ToLower(n.Spec.Role.String())),
			Availability: types.NodeAvailability(strings.ToLower(n.Spec.Availability.String())),
		},
		Status: types.NodeStatus{
			State:   types.NodeState(strings.ToLower(n.Status.State.String())),
			Message: n.Status.Message,
			Addr:    n.Status.Addr,
		},
	}

	// Meta
	node.Version.Index = n.Meta.Version.Index
	node.CreatedAt, _ = ptypes.Timestamp(n.Meta.CreatedAt)
	node.UpdatedAt, _ = ptypes.Timestamp(n.Meta.UpdatedAt)

	//Annotations
	node.Spec.Name = n.Spec.Annotations.Name
	node.Spec.Labels = n.Spec.Annotations.Labels

	//Description
	if n.Description != nil {
		node.Description.Hostname = n.Description.Hostname
		if n.Description.Platform != nil {
			node.Description.Platform.Architecture = n.Description.Platform.Architecture
			node.Description.Platform.OS = n.Description.Platform.OS
		}
		if n.Description.Resources != nil {
			node.Description.Resources.NanoCPUs = n.Description.Resources.NanoCPUs
			node.Description.Resources.MemoryBytes = n.Description.Resources.MemoryBytes
		}
		if n.Description.Engine != nil {
			node.Description.Engine.EngineVersion = n.Description.Engine.EngineVersion
			node.Description.Engine.Labels = n.Description.Engine.Labels
			for _, plugin := range n.Description.Engine.Plugins {
				node.Description.Engine.Plugins = append(node.Description.Engine.Plugins, types.PluginDescription{Type: plugin.Type, Name: plugin.Name})
			}
		}
	}

	//Manager
	if n.ManagerStatus != nil {
		node.ManagerStatus = &types.ManagerStatus{
			Leader:       n.ManagerStatus.Leader,
			Reachability: types.Reachability(strings.ToLower(n.ManagerStatus.Reachability.String())),
			Addr:         n.ManagerStatus.Addr,
		}
	}

	return node
}
Exemplo n.º 3
0
func runInit(dockerCli command.Cli, flags *pflag.FlagSet, opts initOptions) error {
	client := dockerCli.Client()
	ctx := context.Background()

	req := swarm.InitRequest{
		ListenAddr:       opts.listenAddr.String(),
		AdvertiseAddr:    opts.advertiseAddr,
		ForceNewCluster:  opts.forceNewCluster,
		Spec:             opts.swarmOptions.ToSpec(flags),
		AutoLockManagers: opts.swarmOptions.autolock,
	}
	if flags.Changed(flagAvailability) {
		availability := swarm.NodeAvailability(strings.ToLower(opts.availability))
		switch availability {
		case swarm.NodeAvailabilityActive, swarm.NodeAvailabilityPause, swarm.NodeAvailabilityDrain:
			req.Availability = availability
		default:
			return fmt.Errorf("invalid availability %q, only active, pause and drain are supported", opts.availability)
		}
	}

	nodeID, err := client.SwarmInit(ctx, req)
	if err != nil {
		if strings.Contains(err.Error(), "could not choose an IP address to advertise") || strings.Contains(err.Error(), "could not find the system's IP address") {
			return errors.New(err.Error() + " - specify one with --advertise-addr")
		}
		return err
	}

	fmt.Fprintf(dockerCli.Out(), "Swarm initialized: current node (%s) is now a manager.\n\n", nodeID)

	if err := printJoinCommand(ctx, dockerCli, nodeID, false, true); err != nil {
		return err
	}

	fmt.Fprint(dockerCli.Out(), "To add a manager to this swarm, run 'docker swarm join-token manager' and follow the instructions.\n\n")

	if req.AutoLockManagers {
		unlockKeyResp, err := client.SwarmGetUnlockKey(ctx)
		if err != nil {
			return errors.Wrap(err, "could not fetch unlock key")
		}
		printUnlockCommand(ctx, dockerCli, unlockKeyResp.UnlockKey)
	}

	return nil
}
Exemplo n.º 4
0
func mergeNodeUpdate(flags *pflag.FlagSet) func(*swarm.Node) error {
	return func(node *swarm.Node) error {
		spec := &node.Spec

		if flags.Changed(flagRole) {
			str, err := flags.GetString(flagRole)
			if err != nil {
				return err
			}
			spec.Role = swarm.NodeRole(str)
		}
		if flags.Changed(flagAvailability) {
			str, err := flags.GetString(flagAvailability)
			if err != nil {
				return err
			}
			spec.Availability = swarm.NodeAvailability(str)
		}
		if spec.Annotations.Labels == nil {
			spec.Annotations.Labels = make(map[string]string)
		}
		if flags.Changed(flagLabelAdd) {
			labels := flags.Lookup(flagLabelAdd).Value.(*opts.ListOpts).GetAll()
			for k, v := range runconfigopts.ConvertKVStringsToMap(labels) {
				spec.Annotations.Labels[k] = v
			}
		}
		if flags.Changed(flagLabelRemove) {
			keys := flags.Lookup(flagLabelRemove).Value.(*opts.ListOpts).GetAll()
			for _, k := range keys {
				// if a key doesn't exist, fail the command explicitly
				if _, exists := spec.Annotations.Labels[k]; !exists {
					return fmt.Errorf("key %s doesn't exist in node's labels", k)
				}
				delete(spec.Annotations.Labels, k)
			}
		}
		return nil
	}
}
Exemplo n.º 5
0
func runJoin(dockerCli command.Cli, flags *pflag.FlagSet, opts joinOptions) error {
	client := dockerCli.Client()
	ctx := context.Background()

	req := swarm.JoinRequest{
		JoinToken:     opts.token,
		ListenAddr:    opts.listenAddr.String(),
		AdvertiseAddr: opts.advertiseAddr,
		RemoteAddrs:   []string{opts.remote},
	}
	if flags.Changed(flagAvailability) {
		availability := swarm.NodeAvailability(strings.ToLower(opts.availability))
		switch availability {
		case swarm.NodeAvailabilityActive, swarm.NodeAvailabilityPause, swarm.NodeAvailabilityDrain:
			req.Availability = availability
		default:
			return fmt.Errorf("invalid availability %q, only active, pause and drain are supported", opts.availability)
		}
	}

	err := client.SwarmJoin(ctx, req)
	if err != nil {
		return err
	}

	info, err := client.Info(ctx)
	if err != nil {
		return err
	}

	if info.Swarm.ControlAvailable {
		fmt.Fprintln(dockerCli.Out(), "This node joined a swarm as a manager.")
	} else {
		fmt.Fprintln(dockerCli.Out(), "This node joined a swarm as a worker.")
	}
	return nil
}