Add support for kubernetes in docker cli

- Add support for kubernetes for docker stack command
- Update to go 1.9
- Add kubernetes to vendors
- Print orchestrator in docker version command

Signed-off-by: Vincent Demeester <vincent@sbr.pm>
Signed-off-by: Silvin Lubecki <silvin.lubecki@docker.com>

cli/command/stack/deploy.go

@@ -1,122 +0,0 @@
-package stack
-
-import (
-	"fmt"
-
-	"github.com/docker/cli/cli"
-	"github.com/docker/cli/cli/command"
-	"github.com/docker/cli/cli/compose/convert"
-	"github.com/docker/docker/api/types/swarm"
-	"github.com/docker/docker/api/types/versions"
-	"github.com/pkg/errors"
-	"github.com/spf13/cobra"
-	"golang.org/x/net/context"
-)
-
-const (
-	defaultNetworkDriver = "overlay"
-	resolveImageAlways   = "always"
-	resolveImageChanged  = "changed"
-	resolveImageNever    = "never"
-)
-
-type deployOptions struct {
-	bundlefile       string
-	composefile      string
-	namespace        string
-	resolveImage     string
-	sendRegistryAuth bool
-	prune            bool
-}
-
-func newDeployCommand(dockerCli command.Cli) *cobra.Command {
-	var opts deployOptions
-
-	cmd := &cobra.Command{
-		Use:     "deploy [OPTIONS] STACK",
-		Aliases: []string{"up"},
-		Short:   "Deploy a new stack or update an existing stack",
-		Args:    cli.ExactArgs(1),
-		RunE: func(cmd *cobra.Command, args []string) error {
-			opts.namespace = args[0]
-			return runDeploy(dockerCli, opts)
-		},
-	}
-
-	flags := cmd.Flags()
-	addBundlefileFlag(&opts.bundlefile, flags)
-	addComposefileFlag(&opts.composefile, flags)
-	addRegistryAuthFlag(&opts.sendRegistryAuth, flags)
-	flags.BoolVar(&opts.prune, "prune", false, "Prune services that are no longer referenced")
-	flags.SetAnnotation("prune", "version", []string{"1.27"})
-	flags.StringVar(&opts.resolveImage, "resolve-image", resolveImageAlways,
-		`Query the registry to resolve image digest and supported platforms ("`+resolveImageAlways+`"|"`+resolveImageChanged+`"|"`+resolveImageNever+`")`)
-	flags.SetAnnotation("resolve-image", "version", []string{"1.30"})
-	return cmd
-}
-
-func runDeploy(dockerCli command.Cli, opts deployOptions) error {
-	ctx := context.Background()
-
-	if err := validateResolveImageFlag(dockerCli, &opts); err != nil {
-		return err
-	}
-
-	switch {
-	case opts.bundlefile == "" && opts.composefile == "":
-		return errors.Errorf("Please specify either a bundle file (with --bundle-file) or a Compose file (with --compose-file).")
-	case opts.bundlefile != "" && opts.composefile != "":
-		return errors.Errorf("You cannot specify both a bundle file and a Compose file.")
-	case opts.bundlefile != "":
-		return deployBundle(ctx, dockerCli, opts)
-	default:
-		return deployCompose(ctx, dockerCli, opts)
-	}
-}
-
-// validateResolveImageFlag validates the opts.resolveImage command line option
-// and also turns image resolution off if the version is older than 1.30
-func validateResolveImageFlag(dockerCli command.Cli, opts *deployOptions) error {
-	if opts.resolveImage != resolveImageAlways && opts.resolveImage != resolveImageChanged && opts.resolveImage != resolveImageNever {
-		return errors.Errorf("Invalid option %s for flag --resolve-image", opts.resolveImage)
-	}
-	// client side image resolution should not be done when the supported
-	// server version is older than 1.30
-	if versions.LessThan(dockerCli.Client().ClientVersion(), "1.30") {
-		opts.resolveImage = resolveImageNever
-	}
-	return nil
-}
-
-// checkDaemonIsSwarmManager does an Info API call to verify that the daemon is
-// a swarm manager. This is necessary because we must create networks before we
-// create services, but the API call for creating a network does not return a
-// proper status code when it can't create a network in the "global" scope.
-func checkDaemonIsSwarmManager(ctx context.Context, dockerCli command.Cli) error {
-	info, err := dockerCli.Client().Info(ctx)
-	if err != nil {
-		return err
-	}
-	if !info.Swarm.ControlAvailable {
-		return errors.New("this node is not a swarm manager. Use \"docker swarm init\" or \"docker swarm join\" to connect this node to swarm and try again")
-	}
-	return nil
-}
-
-// pruneServices removes services that are no longer referenced in the source
-func pruneServices(ctx context.Context, dockerCli command.Cli, namespace convert.Namespace, services map[string]struct{}) {
-	client := dockerCli.Client()
-
-	oldServices, err := getServices(ctx, client, namespace.Name())
-	if err != nil {
-		fmt.Fprintf(dockerCli.Err(), "Failed to list services: %s", err)
-	}
-
-	pruneServices := []swarm.Service{}
-	for _, service := range oldServices {
-		if _, exists := services[namespace.Descope(service.Spec.Name)]; !exists {
-			pruneServices = append(pruneServices, service)
-		}
-	}
-	removeServices(ctx, dockerCli, pruneServices)
-}