Create aws context

Signed-off-by: aiordache <[email protected]>

amazon/backend.go

@@ -0,0 +1,85 @@
+package amazon
+
+import (
+	"context"
+
+	"github.com/docker/api/backend"
+	"github.com/docker/api/compose"
+	"github.com/docker/api/containers"
+	apicontext "github.com/docker/api/context"
+	"github.com/docker/api/context/cloud"
+	"github.com/docker/api/context/store"
+	aws "github.com/docker/ecs-plugin/pkg/amazon/backend"
+)
+
+// ContextParams options for creating AWS context
+type ContextParams struct {
+	Description string
+	Region      string
+	Profile     string
+	Cluster     string
+
+	AwsID     string
+	AwsSecret string
+}
+
+func init() {
+	backend.Register("aws", "aws", service, getCloudService)
+}
+
+func service(ctx context.Context) (backend.Service, error) {
+	contextStore := store.ContextStore(ctx)
+	currentContext := apicontext.CurrentContext(ctx)
+	var awsContext store.AwsContext
+
+	if err := contextStore.GetEndpoint(currentContext, &awsContext); err != nil {
+		return nil, err
+	}
+
+	return getAwsAPIService(awsContext)
+}
+
+func getAwsAPIService(awsCtx store.AwsContext) (*awsAPIService, error) {
+	backend, err := aws.NewBackend(awsCtx.Profile, awsCtx.Cluster, awsCtx.Region)
+	if err != nil {
+		return nil, err
+	}
+	return &awsAPIService{
+		ctx:            awsCtx,
+		composeBackend: backend,
+	}, nil
+}
+
+type awsAPIService struct {
+	ctx            store.AwsContext
+	composeBackend *aws.Backend
+}
+
+func (a *awsAPIService) ContainerService() containers.Service {
+	return nil
+}
+
+func (a *awsAPIService) ComposeService() compose.Service {
+	return a.composeBackend
+}
+
+func getCloudService() (cloud.Service, error) {
+	return awsCloudService{}, nil
+}
+
+type awsCloudService struct {
+}
+
+func (a awsCloudService) Login(ctx context.Context, params interface{}) error {
+	return nil
+}
+
+func (a awsCloudService) Logout(ctx context.Context) error {
+	return nil
+}
+
+func (a awsCloudService) CreateContextData(ctx context.Context, params interface{}) (interface{}, string, error) {
+	contextHelper := newContextCreateHelper()
+	createOpts := params.(ContextParams)
+	return contextHelper.createContextData(ctx, createOpts)
+}

amazon/context.go

@@ -0,0 +1,205 @@
+package amazon
+
+import (
+	"context"
+	"fmt"
+	"os"
+	"reflect"
+	"strings"
+
+	"github.com/AlecAivazis/survey/v2/terminal"
+	"github.com/aws/aws-sdk-go/aws/awserr"
+	"github.com/aws/aws-sdk-go/aws/credentials"
+	"github.com/aws/aws-sdk-go/aws/defaults"
+	"github.com/docker/api/context/store"
+	"github.com/docker/api/prompt"
+	"gopkg.in/ini.v1"
+)
+
+type contextCreateAWSHelper struct {
+	user prompt.UI
+}
+
+func newContextCreateHelper() contextCreateAWSHelper {
+	return contextCreateAWSHelper{
+		user: prompt.User{},
+	}
+}
+
+func (h contextCreateAWSHelper) createContextData(ctx context.Context, opts ContextParams) (interface{}, string, error) {
+
+	accessKey := opts.AwsID
+	secretKey := opts.AwsSecret
+
+	awsCtx := store.AwsContext{
+		Profile: opts.Profile,
+		Cluster: opts.Cluster,
+		Region:  opts.Region,
+	}
+
+	if h.missingRequiredFlags(awsCtx) {
+		profilesList, err := h.getProfiles()
+		if err != nil {
+			return nil, "", err
+		}
+		// get profile
+		_, ok := profilesList[awsCtx.Profile]
+		if !ok {
+			profile, err := h.chooseProfile(profilesList)
+			if err != nil {
+				return nil, "", err
+			}
+			awsCtx.Profile = profile
+		}
+		// set cluster
+		cluster, err := h.chooseCluster(awsCtx.Cluster)
+		if err != nil {
+			return nil, "", err
+		}
+		awsCtx.Cluster = cluster
+		// set region
+		region, err := h.chooseRegion(awsCtx.Region, profilesList[awsCtx.Profile])
+		if err != nil {
+			return nil, "", err
+		}
+		awsCtx.Region = region
+
+		accessKey, secretKey, err = h.askCredentials()
+		if err != nil {
+			return nil, "", err
+		}
+	}
+	if accessKey != "" && secretKey != "" {
+		if err := h.saveCredentials(awsCtx.Profile, accessKey, secretKey); err != nil {
+			return nil, "", err
+		}
+	}
+
+	description := fmt.Sprintf("%s@%s", awsCtx.Cluster, awsCtx.Region)
+	if opts.Description != "" {
+		description = fmt.Sprintf("%s (%s)", opts.Description, description)
+	}
+
+	return awsCtx, description, nil
+}
+
+func (h contextCreateAWSHelper) missingRequiredFlags(ctx store.AwsContext) bool {
+	if ctx.Profile == "" || ctx.Region == "" {
+		return true
+	}
+	return false
+}
+
+func (h contextCreateAWSHelper) saveCredentials(profile string, accessKeyID string, secretAccessKey string) error {
+	p := credentials.SharedCredentialsProvider{Profile: profile}
+	_, err := p.Retrieve()
+	if err == nil {
+		fmt.Println("credentials already exists!")
+		return nil
+	}
+
+	if err.(awserr.Error).Code() == "SharedCredsLoad" && err.(awserr.Error).Message() == "failed to load shared credentials file" {
+		os.Create(p.Filename)
+	}
+
+	credIni, err := ini.Load(p.Filename)
+	if err != nil {
+		return err
+	}
+	section, err := credIni.NewSection(profile)
+	if err != nil {
+		return err
+	}
+	section.NewKey("aws_access_key_id", accessKeyID)
+	section.NewKey("aws_secret_access_key", secretAccessKey)
+	return credIni.SaveTo(p.Filename)
+}
+
+func (h contextCreateAWSHelper) getProfiles() (map[string]ini.Section, error) {
+	profiles := map[string]ini.Section{"new profile": {}}
+	credIni, err := ini.Load(defaults.SharedConfigFilename())
+	if err != nil {
+		return nil, err
+	}
+	if err != nil {
+		return nil, err
+	}
+	for _, section := range credIni.Sections() {
+		if strings.HasPrefix(section.Name(), "profile") {
+			profiles[section.Name()[len("profile "):]] = *section
+		}
+	}
+	return profiles, nil
+}
+
+func (h contextCreateAWSHelper) chooseProfile(section map[string]ini.Section) (string, error) {
+	keys := reflect.ValueOf(section).MapKeys()
+	profiles := make([]string, len(keys))
+	for i := 0; i < len(keys); i++ {
+		profiles[i] = keys[i].String()
+	}
+
+	selected, err := h.user.Select("Select AWS Profile", profiles)
+	if err != nil {
+		if err == terminal.InterruptErr {
+			os.Exit(0)
+		}
+		return "", err
+	}
+	profile := profiles[selected]
+
+	if profiles[selected] == "new profile" {
+
+		return h.user.Input("profile name", "")
+	}
+	return profile, nil
+}
+
+func (h contextCreateAWSHelper) chooseRegion(region string, section ini.Section) (string, error) {
+	defaultRegion := region
+	if defaultRegion == "" && section.Name() != "" {
+		reg, err := section.GetKey("region")
+		if err == nil {
+			defaultRegion = reg.Value()
+		}
+	}
+	result, err := h.user.Input("Region", defaultRegion)
+	if err != nil {
+		return "", err
+	}
+	return result, nil
+}
+
+func (h contextCreateAWSHelper) chooseCluster(cluster string) (string, error) {
+	if cluster == "" {
+		cluster = "default"
+	}
+	result, err := h.user.Input("Cluster name", cluster)
+	if err != nil {
+		return "", err
+	}
+	return result, nil
+}
+
+func (h contextCreateAWSHelper) askCredentials() (string, string, error) {
+	confirm, err := h.user.Confirm("Enter credentials", false)
+	if err != nil {
+		return "", "", err
+	}
+	if confirm {
+		accessKeyID, err := h.user.Input("AWS Access Key ID", "")
+		if err != nil {
+			return "", "", err
+		}
+		secretAccessKey, err := h.user.Password("Enter AWS Secret Access Key")
+		if err != nil {
+			return "", "", err
+		}
+		// validate password
+		if len(secretAccessKey) < 3 {
+			return "", "", fmt.Errorf("AWS Secret Access Key must have more than 3 characters")
+		}
+		return accessKeyID, secretAccessKey, nil
+	}
+	return "", "", nil
+}

azure/context.go

@@ -21,24 +21,24 @@ import (
 	"fmt"
 	"os"
 
-	"github.com/AlecAivazis/survey/v2"
+	"github.com/AlecAivazis/survey/v2/terminal"
 	"github.com/Azure/azure-sdk-for-go/profiles/preview/preview/subscription/mgmt/subscription"
 	"github.com/Azure/azure-sdk-for-go/services/resources/mgmt/2018-05-01/resources"
 	"github.com/google/uuid"
 	"github.com/pkg/errors"
-	"github.com/tj/survey/terminal"
 
 	"github.com/docker/api/context/store"
+	"github.com/docker/api/prompt"
 )
 
 type contextCreateACIHelper struct {
-	selector            userSelector
+	selector            prompt.UI
 	resourceGroupHelper ACIResourceGroupHelper
 }
 
 func newContextCreateHelper() contextCreateACIHelper {
 	return contextCreateACIHelper{
-		selector:            cliUserSelector{},
+		selector:            prompt.User{},
 		resourceGroupHelper: aciResourceGroupHelperImpl{},
 	}
 }
@@ -114,7 +114,7 @@ func (helper contextCreateACIHelper) chooseGroup(ctx context.Context, subscripti
 		groupNames = append(groupNames, fmt.Sprintf("%s (%s)", *g.Name, *g.Location))
 	}
 
-	group, err := helper.selector.userSelect("Select a resource group", groupNames)
+	group, err := helper.selector.Select("Select a resource group", groupNames)
 	if err != nil {
 		if err == terminal.InterruptErr {
 			os.Exit(0)
@@ -140,32 +140,17 @@ func (helper contextCreateACIHelper) chooseSub(subs []subscription.Model) (strin
 	for _, sub := range subs {
 		options = append(options, display(sub))
 	}
-	selected, err := helper.selector.userSelect("Select a subscription ID", options)
+	selected, err := helper.selector.Select("Select a subscription ID", options)
 	if err != nil {
 		if err == terminal.InterruptErr {
 			os.Exit(0)
 		}
 		return "", err
 	}
+
 	return *subs[selected].SubscriptionID, nil
 }
 
 func display(sub subscription.Model) string {
 	return fmt.Sprintf("%s (%s)", *sub.DisplayName, *sub.SubscriptionID)
 }
-
-type userSelector interface {
-	userSelect(message string, options []string) (int, error)
-}
-
-type cliUserSelector struct{}
-
-func (us cliUserSelector) userSelect(message string, options []string) (int, error) {
-	qs := &survey.Select{
-		Message: message,
-		Options: options,
-	}
-	var selected int
-	err := survey.AskOne(qs, &selected, nil)
-	return selected, err
-}

azure/context_test.go

@@ -79,7 +79,7 @@ func (suite *ContextSuiteTest) TestCreateNewResourceGroup() {
 	suite.mockResourceGroupHeper.On("GetGroup", ctx, "1234", "myResourceGroup").Return(group("myResourceGroup", "eastus"), nil)
 
 	selectOptions := []string{"create a new resource group", "group1 (eastus)", "group2 (westeurope)"}
-	suite.mockUserSelector.On("userSelect", "Select a resource group", selectOptions).Return(0, nil)
+	suite.mockUserSelector.On("Select", "Select a resource group", selectOptions).Return(0, nil)
 	suite.mockResourceGroupHeper.On("CreateOrUpdate", ctx, "1234", mock.AnythingOfType("string"), mock.AnythingOfType("resources.Group")).Return(group("newResourceGroup", "eastus"), nil)
 	suite.mockResourceGroupHeper.On("ListGroups", ctx, "1234").Return([]resources.Group{
 		group("group1", "eastus"),
@@ -97,7 +97,7 @@ func (suite *ContextSuiteTest) TestSelectExistingResourceGroup() {
 	ctx := context.TODO()
 	opts := options("1234", "")
 	selectOptions := []string{"create a new resource group", "group1 (eastus)", "group2 (westeurope)"}
-	suite.mockUserSelector.On("userSelect", "Select a resource group", selectOptions).Return(2, nil)
+	suite.mockUserSelector.On("Select", "Select a resource group", selectOptions).Return(2, nil)
 	suite.mockResourceGroupHeper.On("ListGroups", ctx, "1234").Return([]resources.Group{
 		group("group1", "eastus"),
 		group("group2", "westeurope"),
@@ -138,9 +138,9 @@ func (suite *ContextSuiteTest) TestSelectSubscriptionIdAndExistingResourceGroup(
 	suite.mockResourceGroupHeper.On("GetSubscriptionIDs", ctx).Return([]subscription.Model{sub1, sub2}, nil)
 
 	selectOptions := []string{"Subscription1 (1234)", "Subscription2 (5678)"}
-	suite.mockUserSelector.On("userSelect", "Select a subscription ID", selectOptions).Return(1, nil)
+	suite.mockUserSelector.On("Select", "Select a subscription ID", selectOptions).Return(1, nil)
 	selectOptions = []string{"create a new resource group", "group1 (eastus)", "group2 (westeurope)"}
-	suite.mockUserSelector.On("userSelect", "Select a resource group", selectOptions).Return(2, nil)
+	suite.mockUserSelector.On("Select", "Select a resource group", selectOptions).Return(2, nil)
 	suite.mockResourceGroupHeper.On("ListGroups", ctx, "5678").Return([]resources.Group{
 		group("group1", "eastus"),
 		group("group2", "westeurope"),
@@ -192,10 +192,24 @@ type MockUserSelector struct {
 	mock.Mock
 }
 
-func (s *MockUserSelector) userSelect(message string, options []string) (int, error) {
+func (s *MockUserSelector) Select(message string, options []string) (int, error) {
 	args := s.Called(message, options)
 	return args.Int(0), args.Error(1)
 }
+func (s *MockUserSelector) Confirm(message string, defaultValue bool) (bool, error) {
+	args := s.Called(message, options)
+	return args.Bool(0), args.Error(1)
+}
+
+func (s *MockUserSelector) Input(message string, defaultValue string) (string, error) {
+	args := s.Called(message, options)
+	return args.String(0), args.Error(1)
+}
+
+func (s *MockUserSelector) Password(message string) (string, error) {
+	args := s.Called(message, options)
+	return args.String(0), args.Error(1)
+}
 
 type MockResourceGroupHelper struct {
 	mock.Mock

cli/cmd/context/create.go

@@ -72,6 +72,7 @@ $ docker context create my-context --description "some description" --docker "ho
 
 	cmd.AddCommand(
 		createAciCommand(),
+		createAwsCommand(),
 		createLocalCommand(),
 		createExampleCommand(),
 	)

cli/cmd/context/createaws.go

@@ -0,0 +1,69 @@
+/*
+   Copyright 2020 Docker, Inc.
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+*/
+
+package context
+
+import (
+	"context"
+
+	"github.com/pkg/errors"
+	"github.com/spf13/cobra"
+
+	"github.com/docker/api/amazon"
+	"github.com/docker/api/client"
+	"github.com/docker/api/context/store"
+	"github.com/docker/api/errdefs"
+)
+
+func createAwsCommand() *cobra.Command {
+	var opts amazon.ContextParams
+	cmd := &cobra.Command{
+		Use:   "aws CONTEXT [flags]",
+		Short: "Create a context for Amazon ECS",
+		Args:  cobra.ExactArgs(1),
+		RunE: func(cmd *cobra.Command, args []string) error {
+			return runCreateAws(cmd.Context(), args[0], opts)
+		},
+	}
+
+	addDescriptionFlag(cmd, &opts.Description)
+	cmd.Flags().StringVar(&opts.Profile, "profile", "", "AWS Profile")
+	cmd.Flags().StringVar(&opts.Cluster, "cluster", "", "ECS cluster")
+	cmd.Flags().StringVar(&opts.Region, "region", "", "AWS region")
+	cmd.Flags().StringVar(&opts.AwsID, "key-id", "", "AWS Access Key ID")
+	cmd.Flags().StringVar(&opts.AwsSecret, "secret-key", "", "AWS Secret Access Key")
+	return cmd
+}
+
+func runCreateAws(ctx context.Context, contextName string, opts amazon.ContextParams) error {
+	if contextExists(ctx, contextName) {
+		return errors.Wrapf(errdefs.ErrAlreadyExists, "context %s", contextName)
+	}
+	contextData, description, err := getAwsContextData(ctx, opts)
+	if err != nil {
+		return err
+	}
+	return createDockerContext(ctx, contextName, store.AwsContextType, description, contextData)
+
+}
+
+func getAwsContextData(ctx context.Context, opts amazon.ContextParams) (interface{}, string, error) {
+	cs, err := client.GetCloudService(ctx, store.AwsContextType)
+	if err != nil {
+		return nil, "", errors.Wrap(err, "cannot connect to AWS backend")
+	}
+	return cs.CreateContextData(ctx, opts)
+}

cli/main.go

@@ -36,6 +36,7 @@ import (
 	"github.com/spf13/cobra"
 
 	// Backend registrations
+	_ "github.com/docker/api/amazon"
 	_ "github.com/docker/api/azure"
 	_ "github.com/docker/api/example"
 	_ "github.com/docker/api/local"

cli/mobycli/exec.go

@@ -46,7 +46,7 @@ func ExecIfDefaultCtxType(ctx context.Context) {
 }
 
 func mustDelegateToMoby(ctxType string) bool {
-	return ctxType == store.DefaultContextType || ctxType == store.AwsContextType
+	return ctxType == store.DefaultContextType
 }
 
 // Exec delegates to com.docker.cli if on moby context

context/store/contextmetadata.go

@@ -49,6 +49,13 @@ type AciContext struct {
 	ResourceGroup  string `json:",omitempty"`
 }
 
+// AwsContext is the context for the AWS backend
+type AwsContext struct {
+	Profile string `json:",omitempty"`
+	Cluster string `json:",omitempty"`
+	Region  string `json:",omitempty"`
+}
+
 // LocalContext is the context for the local backend
 type LocalContext struct{}
 

context/store/store.go

@@ -336,13 +336,16 @@ func createDirIfNotExist(dir string) error {
 // be able to manage other contexts.
 func getters() map[string]func() interface{} {
 	return map[string]func() interface{}{
-		"aci": func() interface{} {
+		AciContextType: func() interface{} {
 			return &AciContext{}
 		},
-		"local": func() interface{} {
+		AwsContextType: func() interface{} {
+			return &AwsContext{}
+		},
+		LocalContextType: func() interface{} {
 			return &LocalContext{}
 		},
-		"example": func() interface{} {
+		ExampleContextType: func() interface{} {
 			return &ExampleContext{}
 		},
 	}

go.mod

@@ -15,15 +15,14 @@ require (
 	github.com/Azure/go-autorest/autorest/validation v0.2.0 // indirect
 	github.com/Microsoft/go-winio v0.4.15-0.20190919025122-fc70bd9a86b5
 	github.com/Microsoft/hcsshim v0.8.9 // indirect
+	github.com/aws/aws-sdk-go v1.33.5
 	github.com/buger/goterm v0.0.0-20200322175922-2f3e71b85129
 	github.com/compose-spec/compose-go v0.0.0-20200706135920-95edc5378384
 	github.com/containerd/console v1.0.0
 	github.com/containerd/containerd v1.3.5 // indirect
-	github.com/containerd/continuity v0.0.0-20200413184840-d3ef23f19fbb // indirect
 	github.com/docker/cli v0.0.0-20200528204125-dd360c7c0de8
-	github.com/docker/distribution v2.7.1+incompatible // indirect
 	github.com/docker/docker v17.12.0-ce-rc1.0.20200309214505-aa6a9891b09c+incompatible
-	github.com/docker/docker-credential-helpers v0.6.3 // indirect
+	github.com/docker/ecs-plugin v1.0.0-preview.2
 	github.com/docker/go-connections v0.4.0
 	github.com/docker/go-units v0.4.0
 	github.com/gobwas/httphead v0.0.0-20180130184737-2c6c146eadee // indirect
@@ -33,11 +32,11 @@ require (
 	github.com/google/uuid v1.1.1
 	github.com/gorilla/mux v1.7.4 // indirect
 	github.com/hashicorp/go-multierror v1.1.0
+	github.com/manifoldco/promptui v0.7.0
 	github.com/moby/term v0.0.0-20200611042045-63b9a826fb74
 	github.com/morikuni/aec v1.0.0
 	github.com/onsi/gomega v1.10.1
 	github.com/opencontainers/go-digest v1.0.0
-	github.com/opencontainers/image-spec v1.0.1 // indirect
 	github.com/opencontainers/runc v0.1.1 // indirect
 	github.com/pkg/errors v0.9.1
 	github.com/robpike/filter v0.0.0-20150108201509-2984852a2183
@@ -45,7 +44,6 @@ require (
 	github.com/spf13/cobra v1.0.0
 	github.com/spf13/pflag v1.0.5
 	github.com/stretchr/testify v1.6.1
-	github.com/tj/survey v2.0.6+incompatible
 	golang.org/x/net v0.0.0-20200520004742-59133d7f0dd7
 	golang.org/x/oauth2 v0.0.0-20180821212333-d2e6202438be
 	golang.org/x/sync v0.0.0-20190423024810-112230192c58
@@ -53,6 +51,7 @@ require (
 	google.golang.org/grpc v1.30.0
 	google.golang.org/protobuf v1.25.0
 	gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15 // indirect
+	gopkg.in/ini.v1 v1.57.0
 	gotest.tools v2.2.0+incompatible
 	gotest.tools/v3 v3.0.2
 )

go.sum

@@ -1,7 +1,6 @@
 bazil.org/fuse v0.0.0-20160811212531-371fbbdaa898/go.mod h1:Xbm+BRKSBEpa4q4hTSxohYNQpsxXPbPry4JJWOB3LB8=
+bitbucket.org/liamstask/goose v0.0.0-20150115234039-8488cc47d90c/go.mod h1:hSVuE3qU7grINVSwrmzHfpg9k87ALBk+XaualNyUzI4=
 cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
-github.com/AlecAivazis/survey/v2 v2.0.7 h1:+f825XHLse/hWd2tE/V5df04WFGimk34Eyg/z35w/rc=
-github.com/AlecAivazis/survey/v2 v2.0.7/go.mod h1:mlizQTaPjnR4jcpwRSaSlkbsRfYFEyKgLQvYTzxxiHA=
 github.com/AlecAivazis/survey/v2 v2.0.8 h1:zVjWKN+JIAfmrq6nGWG3DfLS8ypEBhxYy0p7FM+riFk=
 github.com/AlecAivazis/survey/v2 v2.0.8/go.mod h1:9FJRdMdDm8rnT+zHVbvQT2RTSTLq0Ttd6q3Vl2fahjk=
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@@ -132,10 +179,12 @@ github.com/gobwas/pool v0.2.0/go.mod h1:q8bcK0KcYlCgd9e7WYLm9LpyS+YeLd8JVDW6Wezm
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@@ -152,6 +201,7 @@ github.com/golang/protobuf v1.4.1/go.mod h1:U8fpvMrcmy5pZrNK1lt4xCsGvpyWQ/VVv6QD
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@@ -159,8 +209,12 @@ github.com/google/go-cmp v0.4.0 h1:xsAVV57WRhGj6kEIi8ReJzQlHHqcBYCElAvkovg3B/4=
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@@ -168,8 +222,11 @@ github.com/grpc-ecosystem/go-grpc-middleware v1.0.0/go.mod h1:FiyG127CGDf3tlThmg
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@@ -179,19 +236,37 @@ github.com/hinshun/vt10x v0.0.0-20180616224451-1954e6464174 h1:WlZsjVhE8Af9IcZDG
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 go.opencensus.io v0.22.0/go.mod h1:+kGneAE2xo2IficOXnaByMWTGM9T73dGwxeWcUqIpI8=
@@ -323,14 +458,19 @@ go.uber.org/multierr v1.1.0/go.mod h1:wR5kodmAFQ0UK8QlbwjlSNy0Z68gJhDJUG5sjR94q/
 go.uber.org/zap v1.10.0/go.mod h1:vwi/ZaCAaUcBkycHslxD9B2zi4UTXhF60s6SWpuDF0Q=
 golang.org/x/crypto v0.0.0-20171113213409-9f005a07e0d3/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
 golang.org/x/crypto v0.0.0-20180904163835-0709b304e793/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
+golang.org/x/crypto v0.0.0-20181203042331-505ab145d0a9/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
 golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
+golang.org/x/crypto v0.0.0-20190325154230-a5d413f7728c/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
 golang.org/x/crypto v0.0.0-20190530122614-20be4c3c3ed5/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
+golang.org/x/crypto v0.0.0-20190701094942-4def268fd1a4/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
+golang.org/x/crypto v0.0.0-20191205180655-e7c4368fe9dd/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
 golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9 h1:psW17arqaxU48Z5kZ0CQnkZWQJsqcURM6tKiBApRjXI=
 golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
 golang.org/x/exp v0.0.0-20190121172915-509febef88a4/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=
 golang.org/x/lint v0.0.0-20181026193005-c67002cb31c3/go.mod h1:UVdnD1Gm6xHRNCYTkRU2/jEulfH38KcIWyp/GAMgvoE=
 golang.org/x/lint v0.0.0-20190227174305-5b3e6a55c961/go.mod h1:wehouNa3lNwaWXcvxsM5YxQ5yQlVC4a0KAMCusXpPoU=
 golang.org/x/lint v0.0.0-20190313153728-d0100b6bd8b3/go.mod h1:6SW0HCj/g11FgYtHlgUYUwCkIfeOF89ocIRzGO/8vkc=
+golang.org/x/lint v0.0.0-20190930215403-16217165b5de/go.mod h1:6SW0HCj/g11FgYtHlgUYUwCkIfeOF89ocIRzGO/8vkc=
 golang.org/x/net v0.0.0-20180724234803-3673e40ba225/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20180826012351-8a410e7b638d/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20180906233101-161cd47e91fd/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
@@ -341,8 +481,11 @@ golang.org/x/net v0.0.0-20190311183353-d8887717615a/go.mod h1:t9HGtf8HONx5eT2rtn
 golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
 golang.org/x/net v0.0.0-20190501004415-9ce7a6920f09/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
 golang.org/x/net v0.0.0-20190522155817-f3200d17e092/go.mod h1:HSz+uSET+XFnRR8LxR5pz3Of3rY3CfYBVs4xY44aLks=
+golang.org/x/net v0.0.0-20190613194153-d28f0bde5980/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
 golang.org/x/net v0.0.0-20191004110552-13f9640d40b9/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
 golang.org/x/net v0.0.0-20191209160850-c0dbc17a3553/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
+golang.org/x/net v0.0.0-20200202094626-16171245cfb2/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
+golang.org/x/net v0.0.0-20200226121028-0de0cce0169b/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
 golang.org/x/net v0.0.0-20200520004742-59133d7f0dd7 h1:AeiKBIuRw3UomYXSbLy0Mc2dDLfdtbT/IVn4keq83P0=
 golang.org/x/net v0.0.0-20200520004742-59133d7f0dd7/go.mod h1:qpuaurCH72eLCgpAm/N6yyVIVM9cpaDIP3A8BGJEC5A=
 golang.org/x/oauth2 v0.0.0-20180821212333-d2e6202438be h1:vEDujvNQGv4jgYKudGeI/+DAX4Jffq6hpD55MmoEvKs=
@@ -358,6 +501,8 @@ golang.org/x/sys v0.0.0-20180905080454-ebe1bf3edb33/go.mod h1:STP8DvDyc/dI5b8T5h
 golang.org/x/sys v0.0.0-20180909124046-d0be0721c37e/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20181107165924-66b7b1311ac8/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20181116152217-5ac8a444bdc5/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
+golang.org/x/sys v0.0.0-20181122145206-62eef0e2fa9b/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
+golang.org/x/sys v0.0.0-20181205085412-a5c9d58dba9a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20190222072716-a9d3bda3a223/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
@@ -366,8 +511,10 @@ golang.org/x/sys v0.0.0-20190502145724-3ef323f4f1fd/go.mod h1:h1NjWce9XRLGQEsW7w
 golang.org/x/sys v0.0.0-20190514135907-3a4b5fb9f71f/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20190530182044-ad28b68e88f1/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20190626221950-04f50cda93cb/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20190801041406-cbf593c0f2f3/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20190904154756-749cb33beabd/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20190916202348-b4ddaad3f8a3/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20191022100944-742c48ecaeb7/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20191120155948-bd437916bb0e/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20200323222414-85ca7c5b95cd/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20200519105757-fe76b779f299 h1:DYfZAGf2WMFjMxbgTjaC+2HC7NkNAQs+6Q8b9WEB/F4=
@@ -377,12 +524,15 @@ golang.org/x/text v0.3.2 h1:tW2bmiBqwgJj/UpqtC8EpXEZVYOwU0yG4iWbprSVAcs=
 golang.org/x/text v0.3.2/go.mod h1:bEr9sfX3Q8Zfm5fL9x+3itogRgK3+ptLWKqgva+5dAk=
 golang.org/x/time v0.0.0-20190308202827-9d24e82272b4 h1:SvFZT6jyqRaOeXpc5h/JSfZenJ2O330aBsf7JfSUXmQ=
 golang.org/x/time v0.0.0-20190308202827-9d24e82272b4/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
+golang.org/x/time v0.0.0-20191024005414-555d28b269f0 h1:/5xXl8Y5W96D+TtHSlonuFqGHIWVuyCkGJLwGh9JJFs=
+golang.org/x/time v0.0.0-20191024005414-555d28b269f0/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
 golang.org/x/tools v0.0.0-20180221164845-07fd8470d635/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
 golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
 golang.org/x/tools v0.0.0-20181030221726-6c7e314b6563/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
 golang.org/x/tools v0.0.0-20190114222345-bf090417da8b/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
 golang.org/x/tools v0.0.0-20190226205152-f727befe758c/go.mod h1:9Yl7xja0Znq3iFh3HoIrodX9oNMXvdceNzlUR8zjMvY=
 golang.org/x/tools v0.0.0-20190311212946-11955173bddd/go.mod h1:LCzVGOaR6xXOjkQ3onu1FJEFr0SW1gC7cKk1uF8kGRs=
+golang.org/x/tools v0.0.0-20190328211700-ab21143f2384/go.mod h1:LCzVGOaR6xXOjkQ3onu1FJEFr0SW1gC7cKk1uF8kGRs=
 golang.org/x/tools v0.0.0-20190524140312-2c0ae7006135/go.mod h1:RgjU9mgBXZiqYHBnxXauZ1Gv1EHHAz9KjViQ78xBX0Q=
 golang.org/x/tools v0.0.0-20190624222133-a101b041ded4/go.mod h1:/rFqwRUd4F7ZHNgwSSTFct+R/Kf4OFW1sUzUTQQTgfc=
 golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543 h1:E7g+9GITq07hpfrRu66IVDexMakfv52eLZ2CXBWiKr4=
@@ -421,9 +571,15 @@ gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8
 gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15 h1:YR8cESwS4TdDjEe65xsg0ogRM/Nc3DYOhEAlW+xobZo=
 gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/dancannon/gorethink.v3 v3.0.5/go.mod h1:GXsi1e3N2OcKhcP6nsYABTiUejbWMFO4GY5a4pEaeEc=
+gopkg.in/fatih/pool.v2 v2.0.0/go.mod h1:8xVGeu1/2jr2wm5V9SPuMht2H5AEmf5aFMGSQixtjTY=
 gopkg.in/fsnotify.v1 v1.4.7 h1:xOHLXZwVvI9hhs+cLKq5+I5onOuwQLhQwiu63xxlHs4=
 gopkg.in/fsnotify.v1 v1.4.7/go.mod h1:Tz8NjZHkW78fSQdbUxIjBTcgA1z1m8ZHf0WmKUhAMys=
 gopkg.in/gemnasium/logrus-airbrake-hook.v2 v2.1.2/go.mod h1:Xk6kEKp8OKb+X14hQBKWaSkCsqBpgog8nAV2xsGOxlo=
+gopkg.in/gorethink/gorethink.v3 v3.0.5/go.mod h1:+3yIIHJUGMBK+wyPH+iN5TP+88ikFDfZdqTlK3Y9q8I=
+gopkg.in/ini.v1 v1.55.0/go.mod h1:pNLf8WUiyNEtQjuu5G5vTm06TEv9tsIgeAvK8hOrP4k=
+gopkg.in/ini.v1 v1.57.0 h1:9unxIsFcTt4I55uWluz+UmL95q4kdJ0buvQ1ZIqVQww=
+gopkg.in/ini.v1 v1.57.0/go.mod h1:pNLf8WUiyNEtQjuu5G5vTm06TEv9tsIgeAvK8hOrP4k=
 gopkg.in/resty.v1 v1.12.0/go.mod h1:mDo4pnntr5jdWRML875a/NmxYqAlA73dVijT2AXvQQo=
 gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7 h1:uRGJdciOHaEIrze2W8Q3AKkepLTh2hOroT7a+7czfdQ=
 gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7/go.mod h1:dt/ZhP58zS4L8KSrWDmTeBkI65Dw0HsyUHuEVlX15mw=
@@ -443,3 +599,5 @@ gotest.tools/v3 v3.0.2 h1:kG1BFyqVHuQoVQiR1bWGnfz/fmHvvuiSPIV7rvl360E=
 gotest.tools/v3 v3.0.2/go.mod h1:3SzNCllyD9/Y+b5r9JIKQ474KzkZyqLqEfYqMsX94Bk=
 honnef.co/go/tools v0.0.0-20190102054323-c2f93a96b099/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
 honnef.co/go/tools v0.0.0-20190523083050-ea95bdfd59fc/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
+k8s.io/kubernetes v1.13.0/go.mod h1:ocZa8+6APFNC2tX1DZASIbocyYT5jHzqFVsY5aoB7Jk=
+vbom.ml/util v0.0.0-20180919145318-efcd4e0f9787/go.mod h1:so/NYdZXCz+E3ZpW0uAoCj6uzU2+8OWDFv/HxUSs7kI=

prompt/prompt.go

@@ -0,0 +1,53 @@
+package prompt
+
+import (
+	"github.com/AlecAivazis/survey/v2"
+)
+
+type UI interface {
+	Select(message string, options []string) (int, error)
+	Input(message string, defaultValue string) (string, error)
+	Confirm(message string, defaultValue bool) (bool, error)
+	Password(message string) (string, error)
+}
+
+type User struct{}
+
+func (u User) Select(message string, options []string) (int, error) {
+	qs := &survey.Select{
+		Message: message,
+		Options: options,
+	}
+	var selected int
+	err := survey.AskOne(qs, &selected, nil)
+	return selected, err
+}
+func (u User) Input(message string, defaultValue string) (string, error) {
+	qs := &survey.Input{
+		Message: message,
+		Default: defaultValue,
+	}
+	var s string
+	err := survey.AskOne(qs, &s, nil)
+	return s, err
+}
+
+func (u User) Confirm(message string, defaultValue bool) (bool, error) {
+	qs := &survey.Confirm{
+		Message: message,
+		Default: defaultValue,
+	}
+	var b bool
+	err := survey.AskOne(qs, &b, nil)
+	return b, err
+}
+
+func (u User) Password(message string) (string, error) {
+	qs := &survey.Password{
+		Message: message,
+	}
+	var p string
+	err := survey.AskOne(qs, &p, nil)
+	return p, err
+
+}