Merge pull request #27998 from dnephin/compose-on-swarm

Support `docker stack deploy` from a Compose file

command/service/opts.go

@@ -297,7 +297,7 @@ func (e *endpointOptions) ToEndpointSpec() *swarm.EndpointSpec {
 	ports, portBindings, _ := nat.ParsePortSpecs(e.ports.GetAll())
 
 	for port := range ports {
-		portConfigs = append(portConfigs, convertPortToPortConfig(port, portBindings)...)
+		portConfigs = append(portConfigs, ConvertPortToPortConfig(port, portBindings)...)
 	}
 
 	return &swarm.EndpointSpec{
@@ -306,7 +306,8 @@ func (e *endpointOptions) ToEndpointSpec() *swarm.EndpointSpec {
 	}
 }
 
-func convertPortToPortConfig(
+// ConvertPortToPortConfig converts ports to the swarm type
+func ConvertPortToPortConfig(
 	port nat.Port,
 	portBindings map[nat.Port][]nat.PortBinding,
 ) []swarm.PortConfig {

command/service/update.go

@@ -639,7 +639,7 @@ func updatePorts(flags *pflag.FlagSet, portConfig *[]swarm.PortConfig) error {
 		ports, portBindings, _ := nat.ParsePortSpecs(values)
 
 		for port := range ports {
-			newConfigs := convertPortToPortConfig(port, portBindings)
+			newConfigs := ConvertPortToPortConfig(port, portBindings)
 			for _, entry := range newConfigs {
 				if v, ok := portSet[portConfigToString(&entry)]; ok && v != entry {
 					return fmt.Errorf("conflicting port mapping between %v:%v/%s and %v:%v/%s", entry.PublishedPort, entry.TargetPort, entry.Protocol, v.PublishedPort, v.TargetPort, v.Protocol)

command/stack/cmd.go

@@ -19,7 +19,6 @@ func NewStackCommand(dockerCli *command.DockerCli) *cobra.Command {
 		Tags: map[string]string{"experimental": "", "version": "1.25"},
 	}
 	cmd.AddCommand(
-		newConfigCommand(dockerCli),
 		newDeployCommand(dockerCli),
 		newListCommand(dockerCli),
 		newRemoveCommand(dockerCli),

command/stack/common.go

@@ -46,3 +46,11 @@ func getNetworks(
 		ctx,
 		types.NetworkListOptions{Filters: getStackFilter(namespace)})
 }
+
+type namespace struct {
+	name string
+}
+
+func (n namespace) scope(name string) string {
+	return n.name + "_" + name
+}

command/stack/config.go

@@ -1,39 +0,0 @@
-package stack
-
-import (
-	"github.com/docker/docker/cli"
-	"github.com/docker/docker/cli/command"
-	"github.com/docker/docker/cli/command/bundlefile"
-	"github.com/spf13/cobra"
-)
-
-type configOptions struct {
-	bundlefile string
-	namespace  string
-}
-
-func newConfigCommand(dockerCli *command.DockerCli) *cobra.Command {
-	var opts configOptions
-
-	cmd := &cobra.Command{
-		Use:   "config [OPTIONS] STACK",
-		Short: "Print the stack configuration",
-		Args:  cli.ExactArgs(1),
-		RunE: func(cmd *cobra.Command, args []string) error {
-			opts.namespace = args[0]
-			return runConfig(dockerCli, opts)
-		},
-	}
-
-	flags := cmd.Flags()
-	addBundlefileFlag(&opts.bundlefile, flags)
-	return cmd
-}
-
-func runConfig(dockerCli *command.DockerCli, opts configOptions) error {
-	bundle, err := loadBundlefile(dockerCli.Err(), opts.namespace, opts.bundlefile)
-	if err != nil {
-		return err
-	}
-	return bundlefile.Print(dockerCli.Out(), bundle)
-}

command/stack/deploy.go

@@ -2,16 +2,26 @@ package stack
 
 import (
 	"fmt"
+	"io/ioutil"
+	"os"
+	"sort"
 	"strings"
 
 	"github.com/spf13/cobra"
 	"golang.org/x/net/context"
 
+	"github.com/aanand/compose-file/loader"
+	composetypes "github.com/aanand/compose-file/types"
 	"github.com/docker/docker/api/types"
+	"github.com/docker/docker/api/types/mount"
+	networktypes "github.com/docker/docker/api/types/network"
 	"github.com/docker/docker/api/types/swarm"
 	"github.com/docker/docker/cli"
 	"github.com/docker/docker/cli/command"
-	"github.com/docker/docker/cli/command/bundlefile"
+	servicecmd "github.com/docker/docker/cli/command/service"
+	"github.com/docker/docker/opts"
+	runconfigopts "github.com/docker/docker/runconfig/opts"
+	"github.com/docker/go-connections/nat"
 )
 
 const (
@@ -20,6 +30,7 @@ const (
 
 type deployOptions struct {
 	bundlefile       string
+	composefile      string
 	namespace        string
 	sendRegistryAuth bool
 }
@@ -30,10 +41,10 @@ func newDeployCommand(dockerCli *command.DockerCli) *cobra.Command {
 	cmd := &cobra.Command{
 		Use:     "deploy [OPTIONS] STACK",
 		Aliases: []string{"up"},
-		Short:   "Create and update a stack from a Distributed Application Bundle (DAB)",
+		Short:   "Deploy a new stack or update an existing stack",
 		Args:    cli.ExactArgs(1),
 		RunE: func(cmd *cobra.Command, args []string) error {
-			opts.namespace = strings.TrimSuffix(args[0], ".dab")
+			opts.namespace = args[0]
 			return runDeploy(dockerCli, opts)
 		},
 		Tags: map[string]string{"experimental": "", "version": "1.25"},
@@ -41,57 +52,160 @@ func newDeployCommand(dockerCli *command.DockerCli) *cobra.Command {
 
 	flags := cmd.Flags()
 	addBundlefileFlag(&opts.bundlefile, flags)
+	addComposefileFlag(&opts.composefile, flags)
 	addRegistryAuthFlag(&opts.sendRegistryAuth, flags)
 	return cmd
 }
 
 func runDeploy(dockerCli *command.DockerCli, opts deployOptions) error {
-	bundle, err := loadBundlefile(dockerCli.Err(), opts.namespace, opts.bundlefile)
-	if err != nil {
-		return err
+	switch {
+	case opts.bundlefile == "" && opts.composefile == "":
+		return fmt.Errorf("Please specify either a bundle file (with --bundle-file) or a Compose file (with --compose-file).")
+	case opts.bundlefile != "" && opts.composefile != "":
+		return fmt.Errorf("You cannot specify both a bundle file and a Compose file.")
+	case opts.bundlefile != "":
+		return deployBundle(dockerCli, opts)
+	default:
+		return deployCompose(dockerCli, opts)
 	}
-
-	info, err := dockerCli.Client().Info(context.Background())
-	if err != nil {
-		return err
-	}
-	if !info.Swarm.ControlAvailable {
-		return fmt.Errorf("This node is not a swarm manager. Use \"docker swarm init\" or \"docker swarm join\" to connect this node to swarm and try again.")
-	}
-
-	networks := getUniqueNetworkNames(bundle.Services)
-	ctx := context.Background()
-
-	if err := updateNetworks(ctx, dockerCli, networks, opts.namespace); err != nil {
-		return err
-	}
-	return deployServices(ctx, dockerCli, bundle.Services, opts.namespace, opts.sendRegistryAuth)
 }
 
-func getUniqueNetworkNames(services map[string]bundlefile.Service) []string {
-	networkSet := make(map[string]bool)
-	for _, service := range services {
-		for _, network := range service.Networks {
-			networkSet[network] = true
+func deployCompose(dockerCli *command.DockerCli, opts deployOptions) error {
+	configDetails, err := getConfigDetails(opts)
+	if err != nil {
+		return err
+	}
+
+	config, err := loader.Load(configDetails)
+	if err != nil {
+		if fpe, ok := err.(*loader.ForbiddenPropertiesError); ok {
+			return fmt.Errorf("Compose file contains unsupported options:\n\n%s\n",
+				propertyWarnings(fpe.Properties))
 		}
+
+		return err
 	}
 
-	networks := []string{}
-	for network := range networkSet {
-		networks = append(networks, network)
+	unsupportedProperties := loader.GetUnsupportedProperties(configDetails)
+	if len(unsupportedProperties) > 0 {
+		fmt.Fprintf(dockerCli.Err(), "Ignoring unsupported options: %s\n\n",
+			strings.Join(unsupportedProperties, ", "))
 	}
-	return networks
+
+	deprecatedProperties := loader.GetDeprecatedProperties(configDetails)
+	if len(deprecatedProperties) > 0 {
+		fmt.Fprintf(dockerCli.Err(), "Ignoring deprecated options:\n\n%s\n\n",
+			propertyWarnings(deprecatedProperties))
+	}
+
+	ctx := context.Background()
+	namespace := namespace{name: opts.namespace}
+
+	networks := convertNetworks(namespace, config.Networks)
+	if err := createNetworks(ctx, dockerCli, namespace, networks); err != nil {
+		return err
+	}
+	services, err := convertServices(namespace, config)
+	if err != nil {
+		return err
+	}
+	return deployServices(ctx, dockerCli, services, namespace, opts.sendRegistryAuth)
 }
 
-func updateNetworks(
+func propertyWarnings(properties map[string]string) string {
+	var msgs []string
+	for name, description := range properties {
+		msgs = append(msgs, fmt.Sprintf("%s: %s", name, description))
+	}
+	sort.Strings(msgs)
+	return strings.Join(msgs, "\n\n")
+}
+
+func getConfigDetails(opts deployOptions) (composetypes.ConfigDetails, error) {
+	var details composetypes.ConfigDetails
+	var err error
+
+	details.WorkingDir, err = os.Getwd()
+	if err != nil {
+		return details, err
+	}
+
+	configFile, err := getConfigFile(opts.composefile)
+	if err != nil {
+		return details, err
+	}
+	// TODO: support multiple files
+	details.ConfigFiles = []composetypes.ConfigFile{*configFile}
+	return details, nil
+}
+
+func getConfigFile(filename string) (*composetypes.ConfigFile, error) {
+	bytes, err := ioutil.ReadFile(filename)
+	if err != nil {
+		return nil, err
+	}
+	config, err := loader.ParseYAML(bytes)
+	if err != nil {
+		return nil, err
+	}
+	return &composetypes.ConfigFile{
+		Filename: filename,
+		Config:   config,
+	}, nil
+}
+
+func convertNetworks(
+	namespace namespace,
+	networks map[string]composetypes.NetworkConfig,
+) map[string]types.NetworkCreate {
+	if networks == nil {
+		networks = make(map[string]composetypes.NetworkConfig)
+	}
+
+	// TODO: only add default network if it's used
+	networks["default"] = composetypes.NetworkConfig{}
+
+	result := make(map[string]types.NetworkCreate)
+
+	for internalName, network := range networks {
+		if network.External.Name != "" {
+			continue
+		}
+
+		createOpts := types.NetworkCreate{
+			Labels:  getStackLabels(namespace.name, network.Labels),
+			Driver:  network.Driver,
+			Options: network.DriverOpts,
+		}
+
+		if network.Ipam.Driver != "" || len(network.Ipam.Config) > 0 {
+			createOpts.IPAM = &networktypes.IPAM{}
+		}
+
+		if network.Ipam.Driver != "" {
+			createOpts.IPAM.Driver = network.Ipam.Driver
+		}
+		for _, ipamConfig := range network.Ipam.Config {
+			config := networktypes.IPAMConfig{
+				Subnet: ipamConfig.Subnet,
+			}
+			createOpts.IPAM.Config = append(createOpts.IPAM.Config, config)
+		}
+		result[internalName] = createOpts
+	}
+
+	return result
+}
+
+func createNetworks(
 	ctx context.Context,
 	dockerCli *command.DockerCli,
-	networks []string,
-	namespace string,
+	namespace namespace,
+	networks map[string]types.NetworkCreate,
 ) error {
 	client := dockerCli.Client()
 
-	existingNetworks, err := getNetworks(ctx, client, namespace)
+	existingNetworks, err := getNetworks(ctx, client, namespace.name)
 	if err != nil {
 		return err
 	}
@@ -101,47 +215,170 @@ func updateNetworks(
 		existingNetworkMap[network.Name] = network
 	}
 
-	createOpts := types.NetworkCreate{
-		Labels: getStackLabels(namespace, nil),
-		Driver: defaultNetworkDriver,
-	}
-
-	for _, internalName := range networks {
-		name := fmt.Sprintf("%s_%s", namespace, internalName)
-
+	for internalName, createOpts := range networks {
+		name := namespace.scope(internalName)
 		if _, exists := existingNetworkMap[name]; exists {
 			continue
 		}
+
+		if createOpts.Driver == "" {
+			createOpts.Driver = defaultNetworkDriver
+		}
+
 		fmt.Fprintf(dockerCli.Out(), "Creating network %s\n", name)
 		if _, err := client.NetworkCreate(ctx, name, createOpts); err != nil {
 			return err
 		}
 	}
+
 	return nil
 }
 
-func convertNetworks(networks []string, namespace string, name string) []swarm.NetworkAttachmentConfig {
+func convertServiceNetworks(
+	networks map[string]*composetypes.ServiceNetworkConfig,
+	namespace namespace,
+	name string,
+) []swarm.NetworkAttachmentConfig {
+	if len(networks) == 0 {
+		return []swarm.NetworkAttachmentConfig{
+			{
+				Target:  namespace.scope("default"),
+				Aliases: []string{name},
+			},
+		}
+	}
+
 	nets := []swarm.NetworkAttachmentConfig{}
-	for _, network := range networks {
+	for networkName, network := range networks {
 		nets = append(nets, swarm.NetworkAttachmentConfig{
-			Target:  namespace + "_" + network,
-			Aliases: []string{name},
+			Target:  namespace.scope(networkName),
+			Aliases: append(network.Aliases, name),
 		})
 	}
 	return nets
 }
 
+func convertVolumes(
+	serviceVolumes []string,
+	stackVolumes map[string]composetypes.VolumeConfig,
+	namespace namespace,
+) ([]mount.Mount, error) {
+	var mounts []mount.Mount
+
+	for _, volumeSpec := range serviceVolumes {
+		mount, err := convertVolumeToMount(volumeSpec, stackVolumes, namespace)
+		if err != nil {
+			return nil, err
+		}
+		mounts = append(mounts, mount)
+	}
+	return mounts, nil
+}
+
+func convertVolumeToMount(
+	volumeSpec string,
+	stackVolumes map[string]composetypes.VolumeConfig,
+	namespace namespace,
+) (mount.Mount, error) {
+	var source, target string
+	var mode []string
+
+	// TODO: split Windows path mappings properly
+	parts := strings.SplitN(volumeSpec, ":", 3)
+
+	switch len(parts) {
+	case 3:
+		source = parts[0]
+		target = parts[1]
+		mode = strings.Split(parts[2], ",")
+	case 2:
+		source = parts[0]
+		target = parts[1]
+	case 1:
+		target = parts[0]
+	default:
+		return mount.Mount{}, fmt.Errorf("invald volume: %s", volumeSpec)
+	}
+
+	// TODO: catch Windows paths here
+	if strings.HasPrefix(source, "/") {
+		return mount.Mount{
+			Type:        mount.TypeBind,
+			Source:      source,
+			Target:      target,
+			ReadOnly:    isReadOnly(mode),
+			BindOptions: getBindOptions(mode),
+		}, nil
+	}
+
+	stackVolume, exists := stackVolumes[source]
+	if !exists {
+		return mount.Mount{}, fmt.Errorf("undefined volume: %s", source)
+	}
+
+	var volumeOptions *mount.VolumeOptions
+	if stackVolume.External.Name != "" {
+		source = stackVolume.External.Name
+	} else {
+		volumeOptions = &mount.VolumeOptions{
+			Labels: stackVolume.Labels,
+			NoCopy: isNoCopy(mode),
+		}
+
+		if stackVolume.Driver != "" {
+			volumeOptions.DriverConfig = &mount.Driver{
+				Name:    stackVolume.Driver,
+				Options: stackVolume.DriverOpts,
+			}
+		}
+		source = namespace.scope(source)
+	}
+	return mount.Mount{
+		Type:          mount.TypeVolume,
+		Source:        source,
+		Target:        target,
+		ReadOnly:      isReadOnly(mode),
+		VolumeOptions: volumeOptions,
+	}, nil
+}
+
+func modeHas(mode []string, field string) bool {
+	for _, item := range mode {
+		if item == field {
+			return true
+		}
+	}
+	return false
+}
+
+func isReadOnly(mode []string) bool {
+	return modeHas(mode, "ro")
+}
+
+func isNoCopy(mode []string) bool {
+	return modeHas(mode, "nocopy")
+}
+
+func getBindOptions(mode []string) *mount.BindOptions {
+	for _, item := range mode {
+		if strings.Contains(item, "private") || strings.Contains(item, "shared") || strings.Contains(item, "slave") {
+			return &mount.BindOptions{Propagation: mount.Propagation(item)}
+		}
+	}
+	return nil
+}
+
 func deployServices(
 	ctx context.Context,
 	dockerCli *command.DockerCli,
-	services map[string]bundlefile.Service,
-	namespace string,
+	services map[string]swarm.ServiceSpec,
+	namespace namespace,
 	sendAuth bool,
 ) error {
 	apiClient := dockerCli.Client()
 	out := dockerCli.Out()
 
-	existingServices, err := getServices(ctx, apiClient, namespace)
+	existingServices, err := getServices(ctx, apiClient, namespace.name)
 	if err != nil {
 		return err
 	}
@@ -151,47 +388,8 @@ func deployServices(
 		existingServiceMap[service.Spec.Name] = service
 	}
 
-	for internalName, service := range services {
-		name := fmt.Sprintf("%s_%s", namespace, internalName)
-
-		var ports []swarm.PortConfig
-		for _, portSpec := range service.Ports {
-			ports = append(ports, swarm.PortConfig{
-				Protocol:   swarm.PortConfigProtocol(portSpec.Protocol),
-				TargetPort: portSpec.Port,
-			})
-		}
-
-		serviceSpec := swarm.ServiceSpec{
-			Annotations: swarm.Annotations{
-				Name:   name,
-				Labels: getStackLabels(namespace, service.Labels),
-			},
-			TaskTemplate: swarm.TaskSpec{
-				ContainerSpec: swarm.ContainerSpec{
-					Image:   service.Image,
-					Command: service.Command,
-					Args:    service.Args,
-					Env:     service.Env,
-					// Service Labels will not be copied to Containers
-					// automatically during the deployment so we apply
-					// it here.
-					Labels: getStackLabels(namespace, nil),
-				},
-			},
-			EndpointSpec: &swarm.EndpointSpec{
-				Ports: ports,
-			},
-			Networks: convertNetworks(service.Networks, namespace, internalName),
-		}
-
-		cspec := &serviceSpec.TaskTemplate.ContainerSpec
-		if service.WorkingDir != nil {
-			cspec.Dir = *service.WorkingDir
-		}
-		if service.User != nil {
-			cspec.User = *service.User
-		}
+	for internalName, serviceSpec := range services {
+		name := namespace.scope(internalName)
 
 		encodedAuth := ""
 		if sendAuth {
@@ -234,3 +432,202 @@ func deployServices(
 
 	return nil
 }
+
+func convertServices(
+	namespace namespace,
+	config *composetypes.Config,
+) (map[string]swarm.ServiceSpec, error) {
+	result := make(map[string]swarm.ServiceSpec)
+
+	services := config.Services
+	volumes := config.Volumes
+
+	for _, service := range services {
+		serviceSpec, err := convertService(namespace, service, volumes)
+		if err != nil {
+			return nil, err
+		}
+		result[service.Name] = serviceSpec
+	}
+
+	return result, nil
+}
+
+func convertService(
+	namespace namespace,
+	service composetypes.ServiceConfig,
+	volumes map[string]composetypes.VolumeConfig,
+) (swarm.ServiceSpec, error) {
+	name := namespace.scope(service.Name)
+
+	endpoint, err := convertEndpointSpec(service.Ports)
+	if err != nil {
+		return swarm.ServiceSpec{}, err
+	}
+
+	mode, err := convertDeployMode(service.Deploy.Mode, service.Deploy.Replicas)
+	if err != nil {
+		return swarm.ServiceSpec{}, err
+	}
+
+	mounts, err := convertVolumes(service.Volumes, volumes, namespace)
+	if err != nil {
+		// TODO: better error message (include service name)
+		return swarm.ServiceSpec{}, err
+	}
+
+	resources, err := convertResources(service.Deploy.Resources)
+	if err != nil {
+		return swarm.ServiceSpec{}, err
+	}
+
+	restartPolicy, err := convertRestartPolicy(
+		service.Restart, service.Deploy.RestartPolicy)
+	if err != nil {
+		return swarm.ServiceSpec{}, err
+	}
+
+	serviceSpec := swarm.ServiceSpec{
+		Annotations: swarm.Annotations{
+			Name:   name,
+			Labels: getStackLabels(namespace.name, service.Deploy.Labels),
+		},
+		TaskTemplate: swarm.TaskSpec{
+			ContainerSpec: swarm.ContainerSpec{
+				Image:           service.Image,
+				Command:         service.Entrypoint,
+				Args:            service.Command,
+				Hostname:        service.Hostname,
+				Env:             convertEnvironment(service.Environment),
+				Labels:          getStackLabels(namespace.name, service.Labels),
+				Dir:             service.WorkingDir,
+				User:            service.User,
+				Mounts:          mounts,
+				StopGracePeriod: service.StopGracePeriod,
+			},
+			Resources:     resources,
+			RestartPolicy: restartPolicy,
+			Placement: &swarm.Placement{
+				Constraints: service.Deploy.Placement.Constraints,
+			},
+		},
+		EndpointSpec: endpoint,
+		Mode:         mode,
+		Networks:     convertServiceNetworks(service.Networks, namespace, service.Name),
+		UpdateConfig: convertUpdateConfig(service.Deploy.UpdateConfig),
+	}
+
+	return serviceSpec, nil
+}
+
+func convertRestartPolicy(restart string, source *composetypes.RestartPolicy) (*swarm.RestartPolicy, error) {
+	// TODO: log if restart is being ignored
+	if source == nil {
+		policy, err := runconfigopts.ParseRestartPolicy(restart)
+		if err != nil {
+			return nil, err
+		}
+		// TODO: is this an accurate convertion?
+		switch {
+		case policy.IsNone():
+			return nil, nil
+		case policy.IsAlways(), policy.IsUnlessStopped():
+			return &swarm.RestartPolicy{
+				Condition: swarm.RestartPolicyConditionAny,
+			}, nil
+		case policy.IsOnFailure():
+			attempts := uint64(policy.MaximumRetryCount)
+			return &swarm.RestartPolicy{
+				Condition:   swarm.RestartPolicyConditionOnFailure,
+				MaxAttempts: &attempts,
+			}, nil
+		}
+	}
+	return &swarm.RestartPolicy{
+		Condition:   swarm.RestartPolicyCondition(source.Condition),
+		Delay:       source.Delay,
+		MaxAttempts: source.MaxAttempts,
+		Window:      source.Window,
+	}, nil
+}
+
+func convertUpdateConfig(source *composetypes.UpdateConfig) *swarm.UpdateConfig {
+	if source == nil {
+		return nil
+	}
+	return &swarm.UpdateConfig{
+		Parallelism:     source.Parallelism,
+		Delay:           source.Delay,
+		FailureAction:   source.FailureAction,
+		Monitor:         source.Monitor,
+		MaxFailureRatio: source.MaxFailureRatio,
+	}
+}
+
+func convertResources(source composetypes.Resources) (*swarm.ResourceRequirements, error) {
+	resources := &swarm.ResourceRequirements{}
+	if source.Limits != nil {
+		cpus, err := opts.ParseCPUs(source.Limits.NanoCPUs)
+		if err != nil {
+			return nil, err
+		}
+		resources.Limits = &swarm.Resources{
+			NanoCPUs:    cpus,
+			MemoryBytes: int64(source.Limits.MemoryBytes),
+		}
+	}
+	if source.Reservations != nil {
+		cpus, err := opts.ParseCPUs(source.Reservations.NanoCPUs)
+		if err != nil {
+			return nil, err
+		}
+		resources.Reservations = &swarm.Resources{
+			NanoCPUs:    cpus,
+			MemoryBytes: int64(source.Reservations.MemoryBytes),
+		}
+	}
+	return resources, nil
+}
+
+func convertEndpointSpec(source []string) (*swarm.EndpointSpec, error) {
+	portConfigs := []swarm.PortConfig{}
+	ports, portBindings, err := nat.ParsePortSpecs(source)
+	if err != nil {
+		return nil, err
+	}
+
+	for port := range ports {
+		portConfigs = append(
+			portConfigs,
+			servicecmd.ConvertPortToPortConfig(port, portBindings)...)
+	}
+
+	return &swarm.EndpointSpec{Ports: portConfigs}, nil
+}
+
+func convertEnvironment(source map[string]string) []string {
+	var output []string
+
+	for name, value := range source {
+		output = append(output, fmt.Sprintf("%s=%s", name, value))
+	}
+
+	return output
+}
+
+func convertDeployMode(mode string, replicas *uint64) (swarm.ServiceMode, error) {
+	serviceMode := swarm.ServiceMode{}
+
+	switch mode {
+	case "global":
+		if replicas != nil {
+			return serviceMode, fmt.Errorf("replicas can only be used with replicated mode")
+		}
+		serviceMode.Global = &swarm.GlobalService{}
+	case "replicated", "":
+		serviceMode.Replicated = &swarm.ReplicatedService{Replicas: replicas}
+	default:
+		return serviceMode, fmt.Errorf("Unknown mode: %s", mode)
+	}
+	return serviceMode, nil
+}

command/stack/deploy_bundlefile.go

@@ -0,0 +1,80 @@
+package stack
+
+import (
+	"golang.org/x/net/context"
+
+	"github.com/docker/docker/api/types"
+	"github.com/docker/docker/api/types/swarm"
+	"github.com/docker/docker/cli/command"
+)
+
+func deployBundle(dockerCli *command.DockerCli, opts deployOptions) error {
+	bundle, err := loadBundlefile(dockerCli.Err(), opts.namespace, opts.bundlefile)
+	if err != nil {
+		return err
+	}
+
+	namespace := namespace{name: opts.namespace}
+
+	networks := make(map[string]types.NetworkCreate)
+	for _, service := range bundle.Services {
+		for _, networkName := range service.Networks {
+			networks[networkName] = types.NetworkCreate{
+				Labels: getStackLabels(namespace.name, nil),
+			}
+		}
+	}
+
+	services := make(map[string]swarm.ServiceSpec)
+	for internalName, service := range bundle.Services {
+		name := namespace.scope(internalName)
+
+		var ports []swarm.PortConfig
+		for _, portSpec := range service.Ports {
+			ports = append(ports, swarm.PortConfig{
+				Protocol:   swarm.PortConfigProtocol(portSpec.Protocol),
+				TargetPort: portSpec.Port,
+			})
+		}
+
+		nets := []swarm.NetworkAttachmentConfig{}
+		for _, networkName := range service.Networks {
+			nets = append(nets, swarm.NetworkAttachmentConfig{
+				Target:  namespace.scope(networkName),
+				Aliases: []string{networkName},
+			})
+		}
+
+		serviceSpec := swarm.ServiceSpec{
+			Annotations: swarm.Annotations{
+				Name:   name,
+				Labels: getStackLabels(namespace.name, service.Labels),
+			},
+			TaskTemplate: swarm.TaskSpec{
+				ContainerSpec: swarm.ContainerSpec{
+					Image:   service.Image,
+					Command: service.Command,
+					Args:    service.Args,
+					Env:     service.Env,
+					// Service Labels will not be copied to Containers
+					// automatically during the deployment so we apply
+					// it here.
+					Labels: getStackLabels(namespace.name, nil),
+				},
+			},
+			EndpointSpec: &swarm.EndpointSpec{
+				Ports: ports,
+			},
+			Networks: nets,
+		}
+
+		services[internalName] = serviceSpec
+	}
+
+	ctx := context.Background()
+
+	if err := createNetworks(ctx, dockerCli, namespace, networks); err != nil {
+		return err
+	}
+	return deployServices(ctx, dockerCli, services, namespace, opts.sendRegistryAuth)
+}

command/stack/opts.go

@@ -9,11 +9,12 @@ import (
 	"github.com/spf13/pflag"
 )
 
+func addComposefileFlag(opt *string, flags *pflag.FlagSet) {
+	flags.StringVar(opt, "compose-file", "", "Path to a Compose file")
+}
+
 func addBundlefileFlag(opt *string, flags *pflag.FlagSet) {
-	flags.StringVar(
-		opt,
-		"file", "",
-		"Path to a Distributed Application Bundle file (Default: STACK.dab)")
+	flags.StringVar(opt, "bundle-file", "", "Path to a Distributed Application Bundle file")
 }
 
 func addRegistryAuthFlag(opt *bool, flags *pflag.FlagSet) {