Bump docker/cli to 06f34ba50786ec67761745c818e87baecc2ba139

Signed-off-by: ulyssessouza <ulyssessouza@gmail.com>

vendor/github.com/docker/cli/AUTHORS

@@ -11,6 +11,7 @@ Abin Shahab <ashahab@altiscale.com>
 Ace Tang <aceapril@126.com>
 Addam Hardy <addam.hardy@gmail.com>
 Adolfo Ochagavía <aochagavia92@gmail.com>
+Adrian Plata <adrian.plata@docker.com>
 Adrien Duermael <adrien@duermael.com>
 Adrien Folie <folie.adrien@gmail.com>
 Ahmet Alp Balkan <ahmetb@microsoft.com>
@@ -136,6 +137,7 @@ Dafydd Crosby <dtcrsby@gmail.com>
 dalanlan <dalanlan925@gmail.com>
 Damien Nadé <github@livna.org>
 Dan Cotora <dan@bluevision.ro>
+Daniel Cassidy <mail@danielcassidy.me.uk>
 Daniel Dao <dqminh@cloudflare.com>
 Daniel Farrell <dfarrell@redhat.com>
 Daniel Gasienica <daniel@gasienica.ch>
@@ -215,6 +217,7 @@ Felix Rabe <felix@rabe.io>
 Filip Jareš <filipjares@gmail.com>
 Flavio Crisciani <flavio.crisciani@docker.com>
 Florian Klein <florian.klein@free.fr>
+Forest Johnson <fjohnson@peoplenetonline.com>
 Foysal Iqbal <foysal.iqbal.fb@gmail.com>
 François Scala <francois.scala@swiss-as.com>
 Fred Lifton <fred.lifton@docker.com>
@@ -231,6 +234,7 @@ George MacRorie <gmacr31@gmail.com>
 George Xie <georgexsh@gmail.com>
 Gianluca Borello <g.borello@gmail.com>
 Gildas Cuisinier <gildas.cuisinier@gcuisinier.net>
+Goksu Toprak <goksu.toprak@docker.com>
 Gou Rao <gou@portworx.com>
 Grant Reaber <grant.reaber@gmail.com>
 Greg Pflaum <gpflaum@users.noreply.github.com>
@@ -351,6 +355,7 @@ Kara Alexandra <kalexandra@us.ibm.com>
 Kareem Khazem <karkhaz@karkhaz.com>
 Karthik Nayak <Karthik.188@gmail.com>
 Kat Samperi <kat.samperi@gmail.com>
+Kathryn Spiers <kathryn@spiers.me>
 Katie McLaughlin <katie@glasnt.com>
 Ke Xu <leonhartx.k@gmail.com>
 Kei Ohmura <ohmura.kei@gmail.com>
@@ -372,7 +377,6 @@ Krasi Georgiev <krasi@vip-consult.solutions>
 Kris-Mikael Krister <krismikael@protonmail.com>
 Kun Zhang <zkazure@gmail.com>
 Kunal Kushwaha <kushwaha_kunal_v7@lab.ntt.co.jp>
-Kyle Spiers <kyle@spiers.me>
 Lachlan Cooper <lachlancooper@gmail.com>
 Lai Jiangshan <jiangshanlai@gmail.com>
 Lars Kellogg-Stedman <lars@redhat.com>
@@ -537,6 +541,7 @@ Qiang Huang <h.huangqiang@huawei.com>
 Qinglan Peng <qinglanpeng@zju.edu.cn>
 qudongfang <qudongfang@gmail.com>
 Raghavendra K T <raghavendra.kt@linux.vnet.ibm.com>
+Ravi Shekhar Jethani <rsjethani@gmail.com>
 Ray Tsang <rayt@google.com>
 Reficul <xuzhenglun@gmail.com>
 Remy Suen <remy.suen@gmail.com>
@@ -553,6 +558,7 @@ Robin Naundorf <r.naundorf@fh-muenster.de>
 Robin Speekenbrink <robin@kingsquare.nl>
 Rodolfo Ortiz <rodolfo.ortiz@definityfirst.com>
 Rogelio Canedo <rcanedo@mappy.priv>
+Rohan Verma <hello@rohanverma.net>
 Roland Kammerer <roland.kammerer@linbit.com>
 Roman Dudin <katrmr@gmail.com>
 Rory Hunter <roryhunter2@gmail.com>
@@ -701,6 +707,7 @@ Yuan Sun <sunyuan3@huawei.com>
 Yue Zhang <zy675793960@yeah.net>
 Yunxiang Huang <hyxqshk@vip.qq.com>
 Zachary Romero <zacromero3@gmail.com>
+Zander Mackie <zmackie@gmail.com>
 zebrilee <zebrilee@gmail.com>
 Zhang Kun <zkazure@gmail.com>
 Zhang Wei <zhangwei555@huawei.com>

vendor/github.com/docker/cli/NOTICE

@@ -3,7 +3,7 @@ Copyright 2012-2017 Docker, Inc.
 
 This product includes software developed at Docker, Inc. (https://www.docker.com).
 
-This product contains software (https://github.com/kr/pty) developed
+This product contains software (https://github.com/creack/pty) developed
 by Keith Rarick, licensed under the MIT License.
 
 The following is courtesy of our legal counsel:

vendor/github.com/docker/cli/cli/command/cli.go

@@ -14,7 +14,6 @@ import (
 	"github.com/docker/cli/cli/config/configfile"
 	dcontext "github.com/docker/cli/cli/context"
 	"github.com/docker/cli/cli/context/docker"
-	kubecontext "github.com/docker/cli/cli/context/kubernetes"
 	"github.com/docker/cli/cli/context/store"
 	"github.com/docker/cli/cli/debug"
 	cliflags "github.com/docker/cli/cli/flags"
@@ -210,11 +209,11 @@ func (cli *DockerCli) Initialize(opts *cliflags.ClientOptions, ops ...Initialize
 
 	cli.configFile = cliconfig.LoadDefaultConfigFile(cli.err)
 
-	baseContextSore := store.New(cliconfig.ContextStoreDir(), cli.contextStoreConfig)
+	baseContextStore := store.New(cliconfig.ContextStoreDir(), cli.contextStoreConfig)
 	cli.contextStore = &ContextStoreWithDefault{
-		Store: baseContextSore,
+		Store: baseContextStore,
 		Resolver: func() (*DefaultContext, error) {
-			return resolveDefaultContext(opts.Common, cli.ConfigFile(), cli.Err())
+			return ResolveDefaultContext(opts.Common, cli.ConfigFile(), cli.contextStoreConfig, cli.Err())
 		},
 	}
 	cli.currentContext, err = resolveContextName(opts.Common, cli.configFile, cli.contextStore)
@@ -259,10 +258,11 @@ func (cli *DockerCli) Initialize(opts *cliflags.ClientOptions, ops ...Initialize
 
 // NewAPIClientFromFlags creates a new APIClient from command line flags
 func NewAPIClientFromFlags(opts *cliflags.CommonOptions, configFile *configfile.ConfigFile) (client.APIClient, error) {
+	storeConfig := DefaultContextStoreConfig()
 	store := &ContextStoreWithDefault{
-		Store: store.New(cliconfig.ContextStoreDir(), defaultContextStoreConfig()),
+		Store: store.New(cliconfig.ContextStoreDir(), storeConfig),
 		Resolver: func() (*DefaultContext, error) {
-			return resolveDefaultContext(opts, configFile, ioutil.Discard)
+			return ResolveDefaultContext(opts, configFile, storeConfig, ioutil.Discard)
 		},
 	}
 	contextName, err := resolveContextName(opts, configFile, store)
@@ -453,7 +453,7 @@ func NewDockerCli(ops ...DockerCliOption) (*DockerCli, error) {
 		WithContentTrustFromEnv(),
 		WithContainerizedClient(containerizedengine.NewClient),
 	}
-	cli.contextStoreConfig = defaultContextStoreConfig()
+	cli.contextStoreConfig = DefaultContextStoreConfig()
 	ops = append(defaultOps, ops...)
 	if err := cli.Apply(ops...); err != nil {
 		return nil, err
@@ -526,10 +526,22 @@ func resolveContextName(opts *cliflags.CommonOptions, config *configfile.ConfigF
 	return DefaultContextName, nil
 }
 
-func defaultContextStoreConfig() store.Config {
+var defaultStoreEndpoints = []store.NamedTypeGetter{
+	store.EndpointTypeGetter(docker.DockerEndpoint, func() interface{} { return &docker.EndpointMeta{} }),
+}
+
+// RegisterDefaultStoreEndpoints registers a new named endpoint
+// metadata type with the default context store config, so that
+// endpoint will be supported by stores using the config returned by
+// DefaultContextStoreConfig.
+func RegisterDefaultStoreEndpoints(ep ...store.NamedTypeGetter) {
+	defaultStoreEndpoints = append(defaultStoreEndpoints, ep...)
+}
+
+// DefaultContextStoreConfig returns a new store.Config with the default set of endpoints configured.
+func DefaultContextStoreConfig() store.Config {
 	return store.NewConfig(
 		func() interface{} { return &DockerContext{} },
-		store.EndpointTypeGetter(docker.DockerEndpoint, func() interface{} { return &docker.EndpointMeta{} }),
-		store.EndpointTypeGetter(kubecontext.KubernetesEndpoint, func() interface{} { return &kubecontext.EndpointMeta{} }),
+		defaultStoreEndpoints...,
 	)
 }

vendor/github.com/docker/cli/cli/command/cli_options.go

@@ -7,7 +7,6 @@ import (
 	"strconv"
 
 	"github.com/docker/cli/cli/context/docker"
-	"github.com/docker/cli/cli/context/kubernetes"
 	"github.com/docker/cli/cli/context/store"
 	"github.com/docker/cli/cli/streams"
 	clitypes "github.com/docker/cli/types"
@@ -97,7 +96,7 @@ func WithContainerizedClient(containerizedFn func(string) (clitypes.Containerize
 func WithContextEndpointType(endpointName string, endpointType store.TypeGetter) DockerCliOption {
 	return func(cli *DockerCli) error {
 		switch endpointName {
-		case docker.DockerEndpoint, kubernetes.KubernetesEndpoint:
+		case docker.DockerEndpoint:
 			return fmt.Errorf("cannot change %q endpoint type", endpointName)
 		}
 		cli.contextStoreConfig.SetEndpoint(endpointName, endpointType)

vendor/github.com/docker/cli/cli/command/defaultcontextstore.go

@@ -3,15 +3,11 @@ package command
 import (
 	"fmt"
 	"io"
-	"os"
-	"path/filepath"
 
 	"github.com/docker/cli/cli/config/configfile"
 	"github.com/docker/cli/cli/context/docker"
-	"github.com/docker/cli/cli/context/kubernetes"
 	"github.com/docker/cli/cli/context/store"
 	cliflags "github.com/docker/cli/cli/flags"
-	"github.com/docker/docker/pkg/homedir"
 	"github.com/pkg/errors"
 )
 
@@ -20,7 +16,7 @@ const (
 	DefaultContextName = "default"
 )
 
-// DefaultContext contains the default context data for all enpoints
+// DefaultContext contains the default context data for all endpoints
 type DefaultContext struct {
 	Meta store.Metadata
 	TLS  store.ContextTLSData
@@ -35,8 +31,21 @@ type ContextStoreWithDefault struct {
 	Resolver DefaultContextResolver
 }
 
-// resolveDefaultContext creates a Metadata for the current CLI invocation parameters
-func resolveDefaultContext(opts *cliflags.CommonOptions, config *configfile.ConfigFile, stderr io.Writer) (*DefaultContext, error) {
+// EndpointDefaultResolver is implemented by any EndpointMeta object
+// which wants to be able to populate the store with whatever their default is.
+type EndpointDefaultResolver interface {
+	// ResolveDefault returns values suitable for storing in store.Metadata.Endpoints
+	// and store.ContextTLSData.Endpoints.
+	//
+	// An error is only returned for something fatal, not simply
+	// the lack of a default (e.g. because the config file which
+	// would contain it is missing). If there is no default then
+	// returns nil, nil, nil.
+	ResolveDefault(Orchestrator) (interface{}, *store.EndpointTLSData, error)
+}
+
+// ResolveDefaultContext creates a Metadata for the current CLI invocation parameters
+func ResolveDefaultContext(opts *cliflags.CommonOptions, config *configfile.ConfigFile, storeconfig store.Config, stderr io.Writer) (*DefaultContext, error) {
 	stackOrchestrator, err := GetStackOrchestrator("", "", config.StackOrchestrator, stderr)
 	if err != nil {
 		return nil, err
@@ -62,20 +71,28 @@ func resolveDefaultContext(opts *cliflags.CommonOptions, config *configfile.Conf
 		contextTLSData.Endpoints[docker.DockerEndpoint] = *dockerEP.TLSData.ToStoreTLSData()
 	}
 
-	// Default context uses env-based kubeconfig for Kubernetes endpoint configuration
-	kubeconfig := os.Getenv("KUBECONFIG")
-	if kubeconfig == "" {
-		kubeconfig = filepath.Join(homedir.Get(), ".kube/config")
-	}
-	kubeEP, err := kubernetes.FromKubeConfig(kubeconfig, "", "")
-	if (stackOrchestrator == OrchestratorKubernetes || stackOrchestrator == OrchestratorAll) && err != nil {
-		return nil, errors.Wrapf(err, "default orchestrator is %s but kubernetes endpoint could not be found", stackOrchestrator)
-	}
-	if err == nil {
-		contextMetadata.Endpoints[kubernetes.KubernetesEndpoint] = kubeEP.EndpointMeta
-		if kubeEP.TLSData != nil {
-			contextTLSData.Endpoints[kubernetes.KubernetesEndpoint] = *kubeEP.TLSData.ToStoreTLSData()
+	if err := storeconfig.ForeachEndpointType(func(n string, get store.TypeGetter) error {
+		if n == docker.DockerEndpoint { // handled above
+			return nil
 		}
+		ep := get()
+		if i, ok := ep.(EndpointDefaultResolver); ok {
+			meta, tls, err := i.ResolveDefault(stackOrchestrator)
+			if err != nil {
+				return err
+			}
+			if meta == nil {
+				return nil
+			}
+			contextMetadata.Endpoints[n] = meta
+			if tls != nil {
+				contextTLSData.Endpoints[n] = *tls
+			}
+		}
+		// Nothing to be done
+		return nil
+	}); err != nil {
+		return nil, err
 	}
 
 	return &DefaultContext{Meta: contextMetadata, TLS: contextTLSData}, nil

vendor/github.com/docker/cli/cli/compose/loader/full-example.yml

@@ -1,4 +1,4 @@
-version: "3.8"
+version: "3.9"
 
 services:
   foo:

vendor/github.com/docker/cli/cli/compose/loader/interpolate.go

@@ -16,6 +16,8 @@ var interpolateTypeCastMapping = map[interp.Path]interp.Cast{
 	servicePath("deploy", "replicas"):                                toInt,
 	servicePath("deploy", "update_config", "parallelism"):            toInt,
 	servicePath("deploy", "update_config", "max_failure_ratio"):      toFloat,
+	servicePath("deploy", "rollback_config", "parallelism"):          toInt,
+	servicePath("deploy", "rollback_config", "max_failure_ratio"):    toFloat,
 	servicePath("deploy", "restart_policy", "max_attempts"):          toInt,
 	servicePath("ports", interp.PathMatchList, "target"):             toInt,
 	servicePath("ports", interp.PathMatchList, "published"):          toInt,

vendor/github.com/docker/cli/cli/compose/loader/loader.go

@@ -32,6 +32,14 @@ type Options struct {
 	SkipInterpolation bool
 	// Interpolation options
 	Interpolate *interp.Options
+	// Discard 'env_file' entries after resolving to 'environment' section
+	discardEnvFiles bool
+}
+
+// WithDiscardEnvFiles sets the Options to discard the `env_file` section after resolving to
+// the `environment` section
+func WithDiscardEnvFiles(opts *Options) {
+	opts.discardEnvFiles = true
 }
 
 // ParseYAML reads the bytes from a file, parses the bytes into a mapping
@@ -105,6 +113,11 @@ func Load(configDetails types.ConfigDetails, options ...func(*Options)) (*types.
 			return nil, err
 		}
 		cfg.Filename = file.Filename
+		if opts.discardEnvFiles {
+			for i := range cfg.Services {
+				cfg.Services[i].EnvFile = nil
+			}
+		}
 
 		configs = append(configs, cfg)
 	}
@@ -479,12 +492,13 @@ func resolveVolumePaths(volumes []types.ServiceVolumeConfig, workingDir string,
 		}
 
 		filePath := expandUser(volume.Source, lookupEnv)
-		// Check for a Unix absolute path first, to handle a Windows client
-		// with a Unix daemon. This handles a Windows client connecting to a
-		// Unix daemon. Note that this is not required for Docker for Windows
-		// when specifying a local Windows path, because Docker for Windows
-		// translates the Windows path into a valid path within the VM.
-		if !path.IsAbs(filePath) {
+		// Check if source is an absolute path (either Unix or Windows), to
+		// handle a Windows client with a Unix daemon or vice-versa.
+		//
+		// Note that this is not required for Docker for Windows when specifying
+		// a local Windows path, because Docker for Windows translates the Windows
+		// path into a valid path within the VM.
+		if !path.IsAbs(filePath) && !isAbs(filePath) {
 			filePath = absPath(workingDir, filePath)
 		}
 		volume.Source = filePath

vendor/github.com/docker/cli/cli/compose/loader/windows_path.go

@@ -0,0 +1,66 @@
+package loader
+
+// Copyright 2010 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+// https://github.com/golang/go/blob/master/LICENSE
+
+// This file contains utilities to check for Windows absolute paths on Linux.
+// The code in this file was largely copied from the Golang filepath package
+// https://github.com/golang/go/blob/1d0e94b1e13d5e8a323a63cd1cc1ef95290c9c36/src/path/filepath/path_windows.go#L12-L65
+
+func isSlash(c uint8) bool {
+	return c == '\\' || c == '/'
+}
+
+// isAbs reports whether the path is a Windows absolute path.
+func isAbs(path string) (b bool) {
+	l := volumeNameLen(path)
+	if l == 0 {
+		return false
+	}
+	path = path[l:]
+	if path == "" {
+		return false
+	}
+	return isSlash(path[0])
+}
+
+// volumeNameLen returns length of the leading volume name on Windows.
+// It returns 0 elsewhere.
+// nolint: gocyclo
+func volumeNameLen(path string) int {
+	if len(path) < 2 {
+		return 0
+	}
+	// with drive letter
+	c := path[0]
+	if path[1] == ':' && ('a' <= c && c <= 'z' || 'A' <= c && c <= 'Z') {
+		return 2
+	}
+	// is it UNC? https://msdn.microsoft.com/en-us/library/windows/desktop/aa365247(v=vs.85).aspx
+	if l := len(path); l >= 5 && isSlash(path[0]) && isSlash(path[1]) &&
+		!isSlash(path[2]) && path[2] != '.' {
+		// first, leading `\\` and next shouldn't be `\`. its server name.
+		for n := 3; n < l-1; n++ {
+			// second, next '\' shouldn't be repeated.
+			if isSlash(path[n]) {
+				n++
+				// third, following something characters. its share name.
+				if !isSlash(path[n]) {
+					if path[n] == '.' {
+						break
+					}
+					for ; n < l; n++ {
+						if isSlash(path[n]) {
+							break
+						}
+					}
+					return n
+				}
+				break
+			}
+		}
+	}
+	return 0
+}

vendor/github.com/docker/cli/cli/compose/schema/bindata.go

@@ -552,6 +552,50 @@ ean7MQBPP+U4w19V/z+t/hsAAP//Fd/bF0ZHAAA=
 `,
 	},
 
+	"/data/config_schema_v3.9.json": {
+		local:   "data/config_schema_v3.9.json",
+		size:    18246,
+		modtime: 1518458244,
+		compressed: `
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+t2SlzlTjI0TdciM8Be4bR93ljtyuN9Oj1ae+lHXXy2odrWKvYyy3/7qqZl9buspvxBhC91GVujMLJm9Q
++JwU+p0hraX6jGhnRLS/uv1/PFttv1sNfhtZU4U/Nb3CQiO+EfkA+l9Crf9zblnlq5wYyGbYeQNbniAP
+py23VJ+2vLQtfxArsFqaBtYwvVqbU1B03/VqeJPWb8Mmc/xChy8L9W7KdxFsLdrqZp7zBYPIwy8zaH/u
++4gbweQFmkndOrUKVKu+ddT+gQF/6OnGT35uoOJTHCdXvz/G7UPNTwWsR/KxSJpvlwZRex1VvHD9CIHd
+vNT9GICnn3Kc4a+q/59W/w0AAP//CCwovkZHAAA=
+`,
+	},
+
 	"/": {
 		isDir: true,
 		local: "",

vendor/github.com/docker/cli/cli/compose/schema/schema.go

@@ -18,15 +18,19 @@ const (
 
 type portsFormatChecker struct{}
 
-func (checker portsFormatChecker) IsFormat(input string) bool {
+func (checker portsFormatChecker) IsFormat(input interface{}) bool {
 	// TODO: implement this
 	return true
 }
 
 type durationFormatChecker struct{}
 
-func (checker durationFormatChecker) IsFormat(input string) bool {
-	_, err := time.ParseDuration(input)
+func (checker durationFormatChecker) IsFormat(input interface{}) bool {
+	value, ok := input.(string)
+	if !ok {
+		return false
+	}
+	_, err := time.ParseDuration(value)
 	return err == nil
 }
 

vendor/github.com/docker/cli/cli/config/config.go

@@ -10,7 +10,6 @@ import (
 	"github.com/docker/cli/cli/config/configfile"
 	"github.com/docker/cli/cli/config/credentials"
 	"github.com/docker/cli/cli/config/types"
-	"github.com/docker/docker/pkg/homedir"
 	"github.com/pkg/errors"
 )
 
@@ -28,7 +27,10 @@ var (
 
 func init() {
 	if configDir == "" {
-		configDir = filepath.Join(homedir.Get(), configFileDir)
+		homedir, err := os.UserHomeDir()
+		if err == nil {
+			configDir = filepath.Join(homedir, configFileDir)
+		}
 	}
 }
 
@@ -106,7 +108,11 @@ func Load(configDir string) (*configfile.ConfigFile, error) {
 	}
 
 	// Can't find latest config file so check for the old one
-	confFile := filepath.Join(homedir.Get(), oldConfigfile)
+	homedir, err := os.UserHomeDir()
+	if err != nil {
+		return configFile, errors.Wrap(err, oldConfigfile)
+	}
+	confFile := filepath.Join(homedir, oldConfigfile)
 	if _, err := os.Stat(confFile); err != nil {
 		return configFile, nil //missing file is not an error
 	}

vendor/github.com/docker/cli/cli/context/docker/load.go

@@ -104,8 +104,8 @@ func (c *Endpoint) ClientOpts() ([]client.Opt, error) {
 				return nil, err
 			}
 			result = append(result,
-				client.WithHost(c.Host),
 				withHTTPClient(tlsConfig),
+				client.WithHost(c.Host),
 			)
 
 		} else {

vendor/github.com/docker/cli/cli/context/kubernetes/load.go

@@ -1,9 +1,15 @@
 package kubernetes
 
 import (
+	"os"
+	"path/filepath"
+
+	"github.com/docker/cli/cli/command"
 	"github.com/docker/cli/cli/context"
 	"github.com/docker/cli/cli/context/store"
 	api "github.com/docker/compose-on-kubernetes/api"
+	"github.com/docker/docker/pkg/homedir"
+	"github.com/pkg/errors"
 	"k8s.io/client-go/tools/clientcmd"
 	clientcmdapi "k8s.io/client-go/tools/clientcmd/api"
 )
@@ -17,6 +23,8 @@ type EndpointMeta struct {
 	Exec             *clientcmdapi.ExecConfig         `json:",omitempty"`
 }
 
+var _ command.EndpointDefaultResolver = &EndpointMeta{}
+
 // Endpoint is a typed wrapper around a context-store generic endpoint describing
 // a Kubernetes endpoint, with TLS data
 type Endpoint struct {
@@ -24,6 +32,12 @@ type Endpoint struct {
 	TLSData *context.TLSData
 }
 
+func init() {
+	command.RegisterDefaultStoreEndpoints(
+		store.EndpointTypeGetter(KubernetesEndpoint, func() interface{} { return &EndpointMeta{} }),
+	)
+}
+
 // WithTLSData loads TLS materials for the endpoint
 func (c *EndpointMeta) WithTLSData(s store.Reader, contextName string) (Endpoint, error) {
 	tlsData, err := context.LoadTLSData(s, contextName, KubernetesEndpoint)
@@ -61,6 +75,32 @@ func (c *Endpoint) KubernetesConfig() clientcmd.ClientConfig {
 	return clientcmd.NewDefaultClientConfig(*cfg, &clientcmd.ConfigOverrides{})
 }
 
+// ResolveDefault returns endpoint metadata for the default Kubernetes
+// endpoint, which is derived from the env-based kubeconfig.
+func (c *EndpointMeta) ResolveDefault(stackOrchestrator command.Orchestrator) (interface{}, *store.EndpointTLSData, error) {
+	kubeconfig := os.Getenv("KUBECONFIG")
+	if kubeconfig == "" {
+		kubeconfig = filepath.Join(homedir.Get(), ".kube/config")
+	}
+	kubeEP, err := FromKubeConfig(kubeconfig, "", "")
+	if err != nil {
+		if stackOrchestrator == command.OrchestratorKubernetes || stackOrchestrator == command.OrchestratorAll {
+			return nil, nil, errors.Wrapf(err, "default orchestrator is %s but unable to resolve kubernetes endpoint", stackOrchestrator)
+		}
+
+		// We deliberately quash the error here, returning nil
+		// for the first argument is sufficient to indicate we weren't able to
+		// provide a default
+		return nil, nil, nil
+	}
+
+	var tls *store.EndpointTLSData
+	if kubeEP.TLSData != nil {
+		tls = kubeEP.TLSData.ToStoreTLSData()
+	}
+	return kubeEP.EndpointMeta, tls, nil
+}
+
 // EndpointFromContext extracts kubernetes endpoint info from current context
 func EndpointFromContext(metadata store.Metadata) *EndpointMeta {
 	ep, ok := metadata.Endpoints[KubernetesEndpoint]

vendor/github.com/docker/cli/cli/context/store/io_utils.go

@@ -0,0 +1,29 @@
+package store
+
+import (
+	"errors"
+	"io"
+)
+
+// LimitedReader is a fork of io.LimitedReader to override Read.
+type LimitedReader struct {
+	R io.Reader
+	N int64 // max bytes remaining
+}
+
+// Read is a fork of io.LimitedReader.Read that returns an error when limit exceeded.
+func (l *LimitedReader) Read(p []byte) (n int, err error) {
+	if l.N < 0 {
+		return 0, errors.New("read exceeds the defined limit")
+	}
+	if l.N == 0 {
+		return 0, io.EOF
+	}
+	// have to cap N + 1 otherwise we won't hit limit err
+	if int64(len(p)) > l.N+1 {
+		p = p[0 : l.N+1]
+	}
+	n, err = l.R.Read(p)
+	l.N -= int64(n)
+	return n, err
+}

vendor/github.com/docker/cli/cli/context/store/store.go

@@ -2,12 +2,16 @@ package store
 
 import (
 	"archive/tar"
+	"archive/zip"
+	"bufio"
+	"bytes"
 	_ "crypto/sha256" // ensure ids can be computed
 	"encoding/json"
 	"errors"
 	"fmt"
 	"io"
 	"io/ioutil"
+	"net/http"
 	"path"
 	"path/filepath"
 	"strings"
@@ -259,12 +263,44 @@ func Export(name string, s Reader) io.ReadCloser {
 	return reader
 }
 
+const (
+	maxAllowedFileSizeToImport int64  = 10 << 20
+	zipType                    string = "application/zip"
+)
+
+func getImportContentType(r *bufio.Reader) (string, error) {
+	head, err := r.Peek(512)
+	if err != nil && err != io.EOF {
+		return "", err
+	}
+
+	return http.DetectContentType(head), nil
+}
+
 // Import imports an exported context into a store
 func Import(name string, s Writer, reader io.Reader) error {
-	tr := tar.NewReader(reader)
+	// Buffered reader will not advance the buffer, needed to determine content type
+	r := bufio.NewReader(reader)
+
+	importContentType, err := getImportContentType(r)
+	if err != nil {
+		return err
+	}
+	switch importContentType {
+	case zipType:
+		return importZip(name, s, r)
+	default:
+		// Assume it's a TAR (TAR does not have a "magic number")
+		return importTar(name, s, r)
+	}
+}
+
+func importTar(name string, s Writer, reader io.Reader) error {
+	tr := tar.NewReader(&LimitedReader{R: reader, N: maxAllowedFileSizeToImport})
 	tlsData := ContextTLSData{
 		Endpoints: map[string]EndpointTLSData{},
 	}
+	var importedMetaFile bool
 	for {
 		hdr, err := tr.Next()
 		if err == io.EOF {
@@ -282,37 +318,119 @@ func Import(name string, s Writer, reader io.Reader) error {
 			if err != nil {
 				return err
 			}
-			var meta Metadata
-			if err := json.Unmarshal(data, &meta); err != nil {
+			meta, err := parseMetadata(data, name)
+			if err != nil {
 				return err
 			}
-			meta.Name = name
 			if err := s.CreateOrUpdate(meta); err != nil {
 				return err
 			}
+			importedMetaFile = true
 		} else if strings.HasPrefix(hdr.Name, "tls/") {
-			relative := strings.TrimPrefix(hdr.Name, "tls/")
-			parts := strings.SplitN(relative, "/", 2)
-			if len(parts) != 2 {
-				return errors.New("archive format is invalid")
-			}
-			endpointName := parts[0]
-			fileName := parts[1]
 			data, err := ioutil.ReadAll(tr)
 			if err != nil {
 				return err
 			}
-			if _, ok := tlsData.Endpoints[endpointName]; !ok {
-				tlsData.Endpoints[endpointName] = EndpointTLSData{
-					Files: map[string][]byte{},
-				}
+			if err := importEndpointTLS(&tlsData, hdr.Name, data); err != nil {
+				return err
 			}
-			tlsData.Endpoints[endpointName].Files[fileName] = data
 		}
 	}
+	if !importedMetaFile {
+		return errdefs.InvalidParameter(errors.New("invalid context: no metadata found"))
+	}
 	return s.ResetTLSMaterial(name, &tlsData)
 }
 
+func importZip(name string, s Writer, reader io.Reader) error {
+	body, err := ioutil.ReadAll(&LimitedReader{R: reader, N: maxAllowedFileSizeToImport})
+	if err != nil {
+		return err
+	}
+	zr, err := zip.NewReader(bytes.NewReader(body), int64(len(body)))
+	if err != nil {
+		return err
+	}
+	tlsData := ContextTLSData{
+		Endpoints: map[string]EndpointTLSData{},
+	}
+
+	var importedMetaFile bool
+	for _, zf := range zr.File {
+		fi := zf.FileInfo()
+		if fi.IsDir() {
+			// skip this entry, only taking files into account
+			continue
+		}
+		if zf.Name == metaFile {
+			f, err := zf.Open()
+			if err != nil {
+				return err
+			}
+
+			data, err := ioutil.ReadAll(&LimitedReader{R: f, N: maxAllowedFileSizeToImport})
+			defer f.Close()
+			if err != nil {
+				return err
+			}
+			meta, err := parseMetadata(data, name)
+			if err != nil {
+				return err
+			}
+			if err := s.CreateOrUpdate(meta); err != nil {
+				return err
+			}
+			importedMetaFile = true
+		} else if strings.HasPrefix(zf.Name, "tls/") {
+			f, err := zf.Open()
+			if err != nil {
+				return err
+			}
+			data, err := ioutil.ReadAll(f)
+			defer f.Close()
+			if err != nil {
+				return err
+			}
+			err = importEndpointTLS(&tlsData, zf.Name, data)
+			if err != nil {
+				return err
+			}
+		}
+	}
+	if !importedMetaFile {
+		return errdefs.InvalidParameter(errors.New("invalid context: no metadata found"))
+	}
+	return s.ResetTLSMaterial(name, &tlsData)
+}
+
+func parseMetadata(data []byte, name string) (Metadata, error) {
+	var meta Metadata
+	if err := json.Unmarshal(data, &meta); err != nil {
+		return meta, err
+	}
+	meta.Name = name
+	return meta, nil
+}
+
+func importEndpointTLS(tlsData *ContextTLSData, path string, data []byte) error {
+	parts := strings.SplitN(strings.TrimPrefix(path, "tls/"), "/", 2)
+	if len(parts) != 2 {
+		// TLS endpoints require archived file directory with 2 layers
+		// i.e. tls/{endpointName}/{fileName}
+		return errors.New("archive format is invalid")
+	}
+
+	epName := parts[0]
+	fileName := parts[1]
+	if _, ok := tlsData.Endpoints[epName]; !ok {
+		tlsData.Endpoints[epName] = EndpointTLSData{
+			Files: map[string][]byte{},
+		}
+	}
+	tlsData.Endpoints[epName].Files[fileName] = data
+	return nil
+}
+
 type setContextName interface {
 	setContext(name string)
 }

vendor/github.com/docker/cli/cli/context/store/storeconfig.go

@@ -30,6 +30,16 @@ func (c Config) SetEndpoint(name string, getter TypeGetter) {
 	c.endpointTypes[name] = getter
 }
 
+// ForeachEndpointType calls cb on every endpoint type registered with the Config
+func (c Config) ForeachEndpointType(cb func(string, TypeGetter) error) error {
+	for n, ep := range c.endpointTypes {
+		if err := cb(n, ep); err != nil {
+			return err
+		}
+	}
+	return nil
+}
+
 // NewConfig creates a config object
 func NewConfig(contextType TypeGetter, endpoints ...NamedTypeGetter) Config {
 	res := Config{

vendor/modules.txt

@@ -100,7 +100,7 @@ github.com/containerd/ttrpc
 github.com/containerd/typeurl
 # github.com/davecgh/go-spew v1.1.1
 github.com/davecgh/go-spew/spew
-# github.com/docker/cli v1.14.0-0.20190523191156-ab688a9a79a1
+# github.com/docker/cli v0.0.0-20191010210043-06f34ba50786
 github.com/docker/cli/cli/compose/loader
 github.com/docker/cli/cli/compose/types
 github.com/docker/cli/cli/config/types
@@ -171,10 +171,10 @@ github.com/docker/docker/api/types/swarm
 github.com/docker/docker/api/types/time
 github.com/docker/docker/api/types/volume
 github.com/docker/docker/errdefs
-github.com/docker/docker/pkg/homedir
 github.com/docker/docker/pkg/system
 github.com/docker/docker/pkg/term
 github.com/docker/docker/registry
+github.com/docker/docker/pkg/homedir
 github.com/docker/docker/api/types/blkiodev
 github.com/docker/docker/api/types/strslice
 github.com/docker/docker/api/types/swarm/runtime