Revert "Connecting Mizu to the application (#313)" (#316)

cli/auth/authProvider.go

@@ -1,123 +0,0 @@
-package auth
-
-import (
-	"context"
-	"errors"
-	"fmt"
-	"github.com/google/uuid"
-	"github.com/up9inc/mizu/cli/logger"
-	"github.com/up9inc/mizu/cli/uiUtils"
-	"golang.org/x/oauth2"
-	"net"
-	"net/http"
-	"time"
-)
-
-const loginTimeoutInMin = 2
-
-// Ports are configured in keycloak "cli" client as valid redirect URIs. A change here must be reflected there as well.
-var listenPorts = []int{3141, 4001, 5002, 6003, 7004, 8005, 9006, 10007}
-
-func LoginInteractively(envName string) (*oauth2.Token, error) {
-	tokenChannel := make(chan *oauth2.Token)
-	errorChannel := make(chan error)
-
-	server := http.Server{}
-	go startLoginServer(tokenChannel, errorChannel, envName, &server)
-
-	defer func() {
-		if err := server.Shutdown(context.Background()); err != nil {
-			logger.Log.Debugf("Error shutting down server, err: %v", err)
-		}
-	}()
-
-	select {
-	case <-time.After(loginTimeoutInMin * time.Minute):
-		return nil, errors.New("auth timed out")
-	case err := <-errorChannel:
-		return nil, err
-	case token := <-tokenChannel:
-		return token, nil
-	}
-}
-
-func startLoginServer(tokenChannel chan *oauth2.Token, errorChannel chan error, envName string, server *http.Server) {
-	for _, port := range listenPorts {
-		var config = &oauth2.Config{
-			ClientID:    "cli",
-			RedirectURL: fmt.Sprintf("http://localhost:%v/callback", port),
-			Endpoint: oauth2.Endpoint{
-				AuthURL:  fmt.Sprintf("https://auth.%s/auth/realms/testr/protocol/openid-connect/auth", envName),
-				TokenURL: fmt.Sprintf("https://auth.%s/auth/realms/testr/protocol/openid-connect/token", envName),
-			},
-		}
-
-		state := uuid.New()
-
-		mux := http.NewServeMux()
-		server.Handler = mux
-		mux.Handle("/callback", loginCallbackHandler(tokenChannel, errorChannel, config, envName, state))
-
-		listener, listenErr := net.Listen("tcp", fmt.Sprintf("%s:%d", "127.0.0.1", port))
-		if listenErr != nil {
-			logger.Log.Debugf("failed to start listening on port %v, err: %v", port, listenErr)
-			continue
-		}
-
-		authorizationUrl := config.AuthCodeURL(state.String())
-		uiUtils.OpenBrowser(authorizationUrl)
-
-		serveErr := server.Serve(listener)
-		if serveErr == http.ErrServerClosed {
-			logger.Log.Debugf("received server shutdown, server on port %v is closed", port)
-			return
-		} else if serveErr != nil {
-			logger.Log.Debugf("failed to start serving on port %v, err: %v", port, serveErr)
-			continue
-		}
-
-		logger.Log.Debugf("didn't receive server closed on port %v", port)
-		return
-	}
-
-	errorChannel <- fmt.Errorf("failed to start serving on all listen ports, ports: %v", listenPorts)
-}
-
-func loginCallbackHandler(tokenChannel chan *oauth2.Token, errorChannel chan error, config *oauth2.Config, envName string, state uuid.UUID) http.Handler {
-	return http.HandlerFunc(func(writer http.ResponseWriter, request *http.Request) {
-		if err := request.ParseForm(); err != nil {
-			errorMsg := fmt.Sprintf("failed to parse form, err: %v", err)
-			http.Error(writer, errorMsg, http.StatusBadRequest)
-			errorChannel <- fmt.Errorf(errorMsg)
-			return
-		}
-
-		requestState := request.Form.Get("state")
-		if requestState != state.String() {
-			errorMsg := fmt.Sprintf("state invalid, requestState: %v, authState:%v", requestState, state.String())
-			http.Error(writer, errorMsg, http.StatusBadRequest)
-			errorChannel <- fmt.Errorf(errorMsg)
-			return
-		}
-
-		code := request.Form.Get("code")
-		if code == "" {
-			errorMsg := "code not found"
-			http.Error(writer, errorMsg, http.StatusBadRequest)
-			errorChannel <- fmt.Errorf(errorMsg)
-			return
-		}
-
-		token, err := config.Exchange(context.Background(), code)
-		if err != nil {
-			errorMsg := fmt.Sprintf("failed to create token, err: %v", err)
-			http.Error(writer, errorMsg, http.StatusInternalServerError)
-			errorChannel <- fmt.Errorf(errorMsg)
-			return
-		}
-
-		tokenChannel <- token
-
-		http.Redirect(writer, request, fmt.Sprintf("https://%s/CliLogin", envName), http.StatusFound)
-	})
-}

cli/cmd/auth.go

@@ -1,15 +0,0 @@
-package cmd
-
-import (
-	"github.com/spf13/cobra"
-)
-
-var authCmd = &cobra.Command{
-	Use:   "auth",
-	Short: "Authenticate to up9 application",
-}
-
-func init() {
-	rootCmd.AddCommand(authCmd)
-}
-

cli/cmd/authLogin.go

@@ -1,44 +0,0 @@
-package cmd
-
-import (
-	"github.com/spf13/cobra"
-	"github.com/up9inc/mizu/cli/auth"
-	"github.com/up9inc/mizu/cli/config"
-	"github.com/up9inc/mizu/cli/config/configStructs"
-	"github.com/up9inc/mizu/cli/logger"
-	"github.com/up9inc/mizu/cli/telemetry"
-)
-
-var authLoginCmd = &cobra.Command{
-	Use:   "login",
-	Short: "Login to up9 application",
-	RunE: func(cmd *cobra.Command, args []string) error {
-		go telemetry.ReportRun("authLogin", config.Config.Auth)
-
-		token, err := auth.LoginInteractively(config.Config.Auth.EnvName)
-		if err != nil {
-			logger.Log.Errorf("Failed login interactively, err: %v", err)
-			return nil
-		}
-
-		authConfig := configStructs.AuthConfig{
-			EnvName:      config.Config.Auth.EnvName,
-			Token:        token.AccessToken,
-		}
-
-		config.Config.Auth = authConfig
-
-		if err := config.WriteConfig(&config.Config); err != nil {
-			logger.Log.Errorf("Failed writing config with auth, err: %v", err)
-			return nil
-		}
-
-		logger.Log.Infof("Login successfully, token stored in config")
-
-		return nil
-	},
-}
-
-func init() {
-	authCmd.AddCommand(authLoginCmd)
-}

cli/cmd/authLogout.go

@@ -1,31 +0,0 @@
-package cmd
-
-import (
-	"github.com/spf13/cobra"
-	"github.com/up9inc/mizu/cli/config"
-	"github.com/up9inc/mizu/cli/logger"
-	"github.com/up9inc/mizu/cli/telemetry"
-)
-
-var authLogoutCmd = &cobra.Command{
-	Use:   "logout",
-	Short: "Logout from up9 application",
-	RunE: func(cmd *cobra.Command, args []string) error {
-		go telemetry.ReportRun("authLogout", config.Config.Auth)
-
-		config.Config.Auth.Token = ""
-
-		if err := config.WriteConfig(&config.Config); err != nil {
-			logger.Log.Errorf("Failed writing config with default auth, err: %v", err)
-			return nil
-		}
-
-		logger.Log.Infof("Logout successfully, token removed from config")
-
-		return nil
-	},
-}
-
-func init() {
-	authCmd.AddCommand(authLogoutCmd)
-}

cli/cmd/common.go

@@ -4,7 +4,9 @@ import (
 	"context"
 	"fmt"
 	"os"
+	"os/exec"
 	"os/signal"
+	"runtime"
 	"syscall"
 
 	"github.com/up9inc/mizu/cli/config"
@@ -47,3 +49,21 @@ func waitForFinish(ctx context.Context, cancel context.CancelFunc) {
 	}
 }
 
+func openBrowser(url string) {
+	var err error
+
+	switch runtime.GOOS {
+	case "linux":
+		err = exec.Command("xdg-open", url).Start()
+	case "windows":
+		err = exec.Command("rundll32", "url.dll,FileProtocolHandler", url).Start()
+	case "darwin":
+		err = exec.Command("open", url).Start()
+	default:
+		err = fmt.Errorf("unsupported platform")
+	}
+
+	if err != nil {
+		logger.Log.Errorf("error while opening browser, %v", err)
+	}
+}

cli/cmd/config.go

@@ -9,6 +9,7 @@ import (
 	"github.com/up9inc/mizu/cli/logger"
 	"github.com/up9inc/mizu/cli/telemetry"
 	"github.com/up9inc/mizu/cli/uiUtils"
+	"io/ioutil"
 )
 
 var configCmd = &cobra.Command{
@@ -17,30 +18,22 @@ var configCmd = &cobra.Command{
 	RunE: func(cmd *cobra.Command, args []string) error {
 		go telemetry.ReportRun("config", config.Config.Config)
 
-		configWithDefaults, err := config.GetConfigWithDefaults()
+		template, err := config.GetConfigWithDefaults()
 		if err != nil {
-			logger.Log.Errorf("Failed generating config with defaults, err: %v", err)
+			logger.Log.Errorf("Failed generating config with defaults %v", err)
 			return nil
 		}
-
 		if config.Config.Config.Regenerate {
-			if err := config.WriteConfig(configWithDefaults); err != nil {
+			data := []byte(template)
-				logger.Log.Errorf("Failed writing config with defaults, err: %v", err)
+			if err := ioutil.WriteFile(config.Config.ConfigFilePath, data, 0644); err != nil {
+				logger.Log.Errorf("Failed writing config %v", err)
 				return nil
 			}
-
 			logger.Log.Infof(fmt.Sprintf("Template File written to %s", fmt.Sprintf(uiUtils.Purple, config.Config.ConfigFilePath)))
 		} else {
-			template, err := uiUtils.PrettyYaml(configWithDefaults)
-			if err != nil {
-				logger.Log.Errorf("Failed converting config with defaults to yaml, err: %v", err)
-				return nil
-			}
-
 			logger.Log.Debugf("Writing template config.\n%v", template)
 			fmt.Printf("%v", template)
 		}
-
 		return nil
 	},
 }

cli/cmd/tapRunner.go

@@ -585,7 +585,7 @@ func watchApiServerPod(ctx context.Context, kubernetesProvider *kubernetes.Provi
 				}
 
 				logger.Log.Infof("Mizu is available at %s\n", url)
-				uiUtils.OpenBrowser(url)
+				openBrowser(url)
 				requestForAnalysisIfNeeded()
 				if err := apiserver.Provider.ReportTappedPods(state.currentlyTappedPods); err != nil {
 					logger.Log.Debugf("[Error] failed update tapped pods %v", err)

cli/cmd/viewRunner.go

@@ -57,8 +57,7 @@ func runMizuView() {
 
 	logger.Log.Infof("Mizu is available at %s\n", url)
 
-	uiUtils.OpenBrowser(url)
+	openBrowser(url)
-
 	if isCompatible, err := version.CheckVersionCompatibility(); err != nil {
 		logger.Log.Errorf("Failed to check versions compatibility %v", err)
 		cancel()

cli/config/config.go

@@ -54,30 +54,16 @@ func InitConfig(cmd *cobra.Command) error {
 	return nil
 }
 
-func GetConfigWithDefaults() (*ConfigStruct, error) {
+func GetConfigWithDefaults() (string, error) {
 	defaultConf := ConfigStruct{}
 	if err := defaults.Set(&defaultConf); err != nil {
-		return nil, err
+		return "", err
 	}
 
 	configElem := reflect.ValueOf(&defaultConf).Elem()
 	setZeroForReadonlyFields(configElem)
 
-	return &defaultConf, nil
+	return uiUtils.PrettyYaml(defaultConf)
-}
-
-func WriteConfig(config *ConfigStruct) error {
-	template, err := uiUtils.PrettyYaml(config)
-	if err != nil {
-		return fmt.Errorf("failed converting config to yaml, err: %v", err)
-	}
-
-	data := []byte(template)
-	if err := ioutil.WriteFile(Config.ConfigFilePath, data, 0644); err != nil {
-		return fmt.Errorf("failed writing config, err: %v", err)
-	}
-
-	return nil
 }
 
 func mergeConfigFile(configFilePath string) error {

cli/config/configStruct.go

@@ -21,7 +21,6 @@ type ConfigStruct struct {
 	Version                configStructs.VersionConfig `yaml:"version"`
 	View                   configStructs.ViewConfig    `yaml:"view"`
 	Logs                   configStructs.LogsConfig    `yaml:"logs"`
-	Auth                   configStructs.AuthConfig    `yaml:"auth"`
 	Config                 configStructs.ConfigConfig  `yaml:"config,omitempty"`
 	AgentImage             string                      `yaml:"agent-image,omitempty" readonly:""`
 	ImagePullPolicyStr     string                      `yaml:"image-pull-policy" default:"Always"`

cli/config/configStructs/authConfig.go

@@ -1,6 +0,0 @@
-package configStructs
-
-type AuthConfig struct {
-	EnvName      string    `yaml:"env-name" default:"up9.app"`
-	Token        string    `yaml:"token"`
-}

cli/config/config_test.go

@@ -3,7 +3,6 @@ package config_test
 import (
 	"fmt"
 	"github.com/up9inc/mizu/cli/config"
-	"gopkg.in/yaml.v3"
 	"reflect"
 	"strings"
 	"testing"
@@ -16,11 +15,10 @@ func TestConfigWriteIgnoresReadonlyFields(t *testing.T) {
 	getFieldsWithReadonlyTag(configElem, &readonlyFields)
 
 	configWithDefaults, _ := config.GetConfigWithDefaults()
-	configWithDefaultsBytes, _ := yaml.Marshal(configWithDefaults)
 	for _, readonlyField := range readonlyFields {
 		t.Run(readonlyField, func(t *testing.T) {
-			readonlyFieldToCheck := fmt.Sprintf(" %s:", readonlyField)
+			readonlyFieldToCheck := fmt.Sprintf("\n%s:", readonlyField)
-			if strings.Contains(string(configWithDefaultsBytes), readonlyFieldToCheck) {
+			if strings.Contains(configWithDefaults, readonlyFieldToCheck) {
 				t.Errorf("unexpected result - readonly field: %v, config: %v", readonlyField, configWithDefaults)
 			}
 		})

cli/go.mod

@@ -6,13 +6,12 @@ require (
 	github.com/creasty/defaults v1.5.1
 	github.com/denisbrodbeck/machineid v1.0.1
 	github.com/google/go-github/v37 v37.0.0
-	github.com/google/uuid v1.1.2
+	github.com/gorilla/websocket v1.4.2
 	github.com/op/go-logging v0.0.0-20160315200505-970db520ece7
 	github.com/spf13/cobra v1.1.3
 	github.com/spf13/pflag v1.0.5
 	github.com/up9inc/mizu/shared v0.0.0
 	github.com/up9inc/mizu/tap/api v0.0.0
-	golang.org/x/oauth2 v0.0.0-20200107190931-bf48bf16ab8d
 	gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b
 	k8s.io/api v0.21.2
 	k8s.io/apimachinery v0.21.2

cli/go.sum

@@ -237,6 +237,7 @@ github.com/googleapis/gnostic v0.4.1 h1:DLJCy1n/vrD4HPjOvYcT8aYQXpPIzoRZONaYwyyc
 github.com/googleapis/gnostic v0.4.1/go.mod h1:LRhVm6pbyptWbWbuZ38d1eyptfvIytN3ir6b65WBswg=
 github.com/gopherjs/gopherjs v0.0.0-20181017120253-0766667cb4d1/go.mod h1:wJfORRmW1u3UXTncJ5qlYoELFm8eSnnEO6hX4iZ3EWY=
 github.com/gorilla/websocket v1.4.0/go.mod h1:E7qHFY5m1UJ88s3WnNqhKjPHQ0heANvMoAMk2YaljkQ=
+github.com/gorilla/websocket v1.4.2 h1:+/TMaTYc4QFitKJxsQ7Yye35DkWvkdLcvGKqM+x0Ufc=
 github.com/gorilla/websocket v1.4.2/go.mod h1:YR8l580nyteQvAITg2hZ9XVh4b55+EU/adAjf1fMHhE=
 github.com/gregjones/httpcache v0.0.0-20180305231024-9cad4c3443a7/go.mod h1:FecbI9+v66THATjSRHfNgh1IVFe/9kFxbXtjV0ctIMA=
 github.com/grpc-ecosystem/go-grpc-middleware v1.0.0/go.mod h1:FiyG127CGDf3tlThmgyCl78X/SZQqEOJBCDaAfeWzPs=

cli/uiUtils/openBrowser.go

@@ -1,27 +0,0 @@
-package uiUtils
-
-import (
-	"fmt"
-	"github.com/up9inc/mizu/cli/logger"
-	"os/exec"
-	"runtime"
-)
-
-func OpenBrowser(url string) {
-	var err error
-
-	switch runtime.GOOS {
-	case "linux":
-		err = exec.Command("xdg-open", url).Start()
-	case "windows":
-		err = exec.Command("rundll32", "url.dll,FileProtocolHandler", url).Start()
-	case "darwin":
-		err = exec.Command("open", url).Start()
-	default:
-		err = fmt.Errorf("unsupported platform")
-	}
-
-	if err != nil {
-		logger.Log.Errorf("error while opening browser, %v", err)
-	}
-}