zrok reserve; zrok share reserved updated to work with --backend-mode (#151)

cmd/zrok/reserve.go

@@ -21,18 +21,20 @@ func init() {
 type reserveCommand struct {
 	basicAuth         []string
 	frontendSelection []string
+	backendMode       string
 	cmd               *cobra.Command
 }
 
 func newReserveCommand() *reserveCommand {
 	cmd := &cobra.Command{
-		Use:   "reserve <public|private> <targetEndpoint>",
+		Use:   "reserve <public|private> <target>",
 		Short: "Create a reserved share",
 		Args:  cobra.ExactArgs(2),
 	}
 	command := &reserveCommand{cmd: cmd}
 	cmd.Flags().StringArrayVar(&command.basicAuth, "basic-auth", []string{}, "Basic authentication users (<username:password>,...)")
 	cmd.Flags().StringArrayVar(&command.frontendSelection, "frontends", []string{"public"}, "Selected frontends to use for the share")
+	cmd.Flags().StringVar(&command.backendMode, "backend-mode", "proxy", "The backend mode {proxy, web}")
 	cmd.Run = command.run
 	return command
 }
@@ -43,15 +45,23 @@ func (cmd *reserveCommand) run(_ *cobra.Command, args []string) {
 		tui.Error("invalid sharing mode; expecting 'public' or 'private'", nil)
 	}
 
-	targetEndpoint, err := url.Parse(args[1])
-	if err != nil {
-		if !panicInstead {
-			tui.Error("invalid target endpoint URL", err)
+	var target string
+	switch cmd.backendMode {
+	case "proxy":
+		targetEndpoint, err := url.Parse(args[1])
+		if err != nil {
+			if !panicInstead {
+				tui.Error("invalid target endpoint URL", err)
+			}
+			panic(err)
 		}
-		panic(err)
-	}
-	if targetEndpoint.Scheme == "" {
-		targetEndpoint.Scheme = "https"
+		if targetEndpoint.Scheme == "" {
+			targetEndpoint.Scheme = "https"
+		}
+		target = targetEndpoint.String()
+
+	case "web":
+		target = args[1]
 	}
 
 	zrd, err := zrokdir.Load()
@@ -78,8 +88,8 @@ func (cmd *reserveCommand) run(_ *cobra.Command, args []string) {
 	req.Body = &rest_model_zrok.ShareRequest{
 		EnvZID:               zrd.Env.ZId,
 		ShareMode:            shareMode,
-		BackendMode:          "proxy",
-		BackendProxyEndpoint: targetEndpoint.String(),
+		BackendMode:          cmd.backendMode,
+		BackendProxyEndpoint: target,
 		AuthScheme:           string(model.None),
 		Reserved:             true,
 	}

cmd/zrok/shareReserved.go

@@ -2,15 +2,17 @@ package main
 
 import (
 	httptransport "github.com/go-openapi/runtime/client"
+	"github.com/openziti-test-kitchen/zrok/endpoints"
 	"github.com/openziti-test-kitchen/zrok/endpoints/proxyBackend"
+	"github.com/openziti-test-kitchen/zrok/endpoints/webBackend"
 	"github.com/openziti-test-kitchen/zrok/rest_client_zrok/metadata"
 	"github.com/openziti-test-kitchen/zrok/rest_client_zrok/share"
 	"github.com/openziti-test-kitchen/zrok/rest_model_zrok"
 	"github.com/openziti-test-kitchen/zrok/tui"
 	"github.com/openziti-test-kitchen/zrok/zrokdir"
+	"github.com/pkg/errors"
 	"github.com/sirupsen/logrus"
 	"github.com/spf13/cobra"
-	"net/url"
 	"time"
 )
 
@@ -36,20 +38,7 @@ func newShareReservedCommand() *shareReservedCommand {
 
 func (cmd *shareReservedCommand) run(_ *cobra.Command, args []string) {
 	shrToken := args[0]
-	targetEndpoint := ""
-	if cmd.overrideEndpoint != "" {
-		e, err := url.Parse(cmd.overrideEndpoint)
-		if err != nil {
-			if !panicInstead {
-				tui.Error("invalid override endpoint URL", err)
-			}
-			panic(err)
-		}
-		if e.Scheme == "" {
-			e.Scheme = "https"
-		}
-		targetEndpoint = e.String()
-	}
+	var target string
 
 	zrd, err := zrokdir.Load()
 	if err != nil {
@@ -80,8 +69,8 @@ func (cmd *shareReservedCommand) run(_ *cobra.Command, args []string) {
 		}
 		panic(err)
 	}
-	if targetEndpoint == "" {
-		targetEndpoint = resp.Payload.BackendProxyEndpoint
+	if target == "" {
+		target = resp.Payload.BackendProxyEndpoint
 	}
 
 	zif, err := zrokdir.ZitiIdentityFile("backend")
@@ -91,18 +80,14 @@ func (cmd *shareReservedCommand) run(_ *cobra.Command, args []string) {
 		}
 		panic(err)
 	}
-	cfg := &proxyBackend.Config{
-		IdentityPath:    zif,
-		EndpointAddress: targetEndpoint,
-		ShrToken:        shrToken,
-	}
-	logrus.Infof("sharing target endpoint: '%v'", cfg.EndpointAddress)
 
-	if resp.Payload.BackendProxyEndpoint != targetEndpoint {
+	logrus.Infof("sharing target: '%v'", target)
+
+	if resp.Payload.BackendProxyEndpoint != target {
 		upReq := share.NewUpdateShareParams()
 		upReq.Body = &rest_model_zrok.UpdateShareRequest{
 			ShrToken:             shrToken,
-			BackendProxyEndpoint: targetEndpoint,
+			BackendProxyEndpoint: target,
 		}
 		if _, err := zrok.Share.UpdateShare(upReq, auth); err != nil {
 			if !panicInstead {
@@ -110,27 +95,43 @@ func (cmd *shareReservedCommand) run(_ *cobra.Command, args []string) {
 			}
 			panic(err)
 		}
-		logrus.Infof("updated backend proxy endpoint to: %v", targetEndpoint)
+		logrus.Infof("updated backend proxy endpoint to: %v", target)
 	} else {
-		logrus.Infof("using existing backend proxy endpoint: %v", targetEndpoint)
+		logrus.Infof("using existing backend proxy endpoint: %v", target)
 	}
 
-	httpProxy, err := proxyBackend.NewBackend(cfg)
-	if err != nil {
-		if !panicInstead {
-			tui.Error("unable to create http backend", err)
+	switch resp.Payload.BackendMode {
+	case "proxy":
+		cfg := &proxyBackend.Config{
+			IdentityPath:    zif,
+			EndpointAddress: target,
+			ShrToken:        shrToken,
 		}
-		panic(err)
-	}
-
-	go func() {
-		if err := httpProxy.Run(); err != nil {
+		_, err := cmd.proxyBackendMode(cfg)
+		if err != nil {
 			if !panicInstead {
-				tui.Error("unable to run http proxy", err)
+				tui.Error("unable to create proxy backend handler", err)
 			}
 			panic(err)
 		}
-	}()
+
+	case "web":
+		cfg := &webBackend.Config{
+			IdentityPath: zif,
+			WebRoot:      target,
+			ShrToken:     shrToken,
+		}
+		_, err := cmd.webBackendMode(cfg)
+		if err != nil {
+			if !panicInstead {
+				tui.Error("unable to create web backend handler", err)
+			}
+			panic(err)
+		}
+
+	default:
+		tui.Error("invalid backend mode", nil)
+	}
 
 	switch resp.Payload.ShareMode {
 	case "public":
@@ -144,3 +145,33 @@ func (cmd *shareReservedCommand) run(_ *cobra.Command, args []string) {
 		time.Sleep(30 * time.Second)
 	}
 }
+
+func (cmd *shareReservedCommand) proxyBackendMode(cfg *proxyBackend.Config) (endpoints.BackendHandler, error) {
+	be, err := proxyBackend.NewBackend(cfg)
+	if err != nil {
+		return nil, errors.Wrap(err, "error creating http proxy backend")
+	}
+
+	go func() {
+		if err := be.Run(); err != nil {
+			logrus.Errorf("error running http proxy backend: %v", err)
+		}
+	}()
+
+	return be, nil
+}
+
+func (cmd *shareReservedCommand) webBackendMode(cfg *webBackend.Config) (endpoints.BackendHandler, error) {
+	be, err := webBackend.NewBackend(cfg)
+	if err != nil {
+		return nil, errors.Wrap(err, "error creating http web backend")
+	}
+
+	go func() {
+		if err := be.Run(); err != nil {
+			logrus.Errorf("error running http web backend: %v", err)
+		}
+	}()
+
+	return be, nil
+}