feat: daemon not works well on Windows

Makefile

@@ -93,7 +93,7 @@ container-local: kubevpn-linux-amd64
 
 .PHONY: container-test
 container-test: kubevpn-linux-amd64
-	docker buildx build --platform linux/amd64 -t docker.io/naison/kubevpn:test-daemon -f $(BUILD_DIR)/test.Dockerfile --push .
+	docker buildx build --platform linux/amd64,linux/arm64 -t docker.io/naison/kubevpn:test -f $(BUILD_DIR)/test.Dockerfile --push .
 
 .PHONY: version
 version:

cmd/kubevpn/cmds/connect.go

@@ -9,6 +9,8 @@ import (
 
 	log "github.com/sirupsen/logrus"
 	"github.com/spf13/cobra"
+	"google.golang.org/grpc/codes"
+	"google.golang.org/grpc/status"
 	cmdutil "k8s.io/kubectl/pkg/cmd/util"
 	"k8s.io/kubectl/pkg/util/i18n"
 	"k8s.io/kubectl/pkg/util/templates"
@@ -77,6 +79,8 @@ func CmdConnect(f cmdutil.Factory) *cobra.Command {
 				recv, err := resp.Recv()
 				if err == io.EOF {
 					break
+				} else if code := status.Code(err); code == codes.DeadlineExceeded || code == codes.Canceled {
+					return nil
 				} else if err != nil {
 					return err
 				}
@@ -99,6 +103,8 @@ func CmdConnect(f cmdutil.Factory) *cobra.Command {
 					resp, err = stream.Recv()
 					if err == io.EOF {
 						return nil
+					} else if code := status.Code(err); code == codes.DeadlineExceeded || code == codes.Canceled {
+						return nil
 					} else if err != nil {
 						return err
 					}

cmd/kubevpn/cmds/disconnect.go

@@ -7,6 +7,8 @@ import (
 	"time"
 
 	"github.com/spf13/cobra"
+	"google.golang.org/grpc/codes"
+	"google.golang.org/grpc/status"
 	cmdutil "k8s.io/kubectl/pkg/cmd/util"
 	"k8s.io/kubectl/pkg/util/i18n"
 	"k8s.io/kubectl/pkg/util/templates"
@@ -44,6 +46,8 @@ func CmdDisconnect(f cmdutil.Factory) *cobra.Command {
 					return nil
 				} else if err == nil {
 					fmt.Fprint(os.Stdout, resp.Message)
+				} else if code := status.Code(err); code == codes.DeadlineExceeded || code == codes.Canceled {
+					return nil
 				} else {
 					return err
 				}

cmd/kubevpn/cmds/duplicate.go

@@ -3,13 +3,14 @@ package cmds
 import (
 	"context"
 	"fmt"
+	"os"
+
 	log "github.com/sirupsen/logrus"
 	"github.com/spf13/cobra"
 	cmdutil "k8s.io/kubectl/pkg/cmd/util"
 	utilcomp "k8s.io/kubectl/pkg/util/completion"
 	"k8s.io/kubectl/pkg/util/i18n"
 	"k8s.io/kubectl/pkg/util/templates"
-	"os"
 
 	"github.com/wencaiwulue/kubevpn/pkg/config"
 	"github.com/wencaiwulue/kubevpn/pkg/handler"

cmd/kubevpn/cmds/leave.go

@@ -5,6 +5,8 @@ import (
 	"io"
 
 	"github.com/spf13/cobra"
+	"google.golang.org/grpc/codes"
+	"google.golang.org/grpc/status"
 	cmdutil "k8s.io/kubectl/pkg/cmd/util"
 
 	"github.com/wencaiwulue/kubevpn/pkg/daemon"
@@ -30,6 +32,8 @@ func CmdLeave(f cmdutil.Factory) *cobra.Command {
 				recv, err := leave.Recv()
 				if err == io.EOF {
 					return nil
+				} else if code := status.Code(err); code == codes.DeadlineExceeded || code == codes.Canceled {
+					return nil
 				} else if err != nil {
 					return err
 				}

cmd/kubevpn/cmds/logs.go

@@ -1,13 +1,13 @@
 package cmds
 
 import (
-	"context"
-	"errors"
 	"fmt"
 	"io"
 	"os"
 
 	"github.com/spf13/cobra"
+	"google.golang.org/grpc/codes"
+	"google.golang.org/grpc/status"
 	cmdutil "k8s.io/kubectl/pkg/cmd/util"
 	"k8s.io/kubectl/pkg/util/i18n"
 	"k8s.io/kubectl/pkg/util/templates"
@@ -39,7 +39,7 @@ func CmdLogs(f cmdutil.Factory) *cobra.Command {
 					break
 				} else if err == nil {
 					fmt.Fprintln(os.Stdout, resp.Message)
-				} else if errors.Is(err, context.Canceled) || errors.Is(err, context.DeadlineExceeded) {
+				} else if code := status.Code(err); code == codes.DeadlineExceeded || code == codes.Canceled {
 					return nil
 				} else {
 					return err

cmd/kubevpn/cmds/proxy.go

@@ -7,6 +7,8 @@ import (
 
 	log "github.com/sirupsen/logrus"
 	"github.com/spf13/cobra"
+	"google.golang.org/grpc/codes"
+	"google.golang.org/grpc/status"
 	cmdutil "k8s.io/kubectl/pkg/cmd/util"
 	utilcomp "k8s.io/kubectl/pkg/util/completion"
 	"k8s.io/kubectl/pkg/util/i18n"
@@ -111,6 +113,8 @@ func CmdProxy(f cmdutil.Factory) *cobra.Command {
 					break
 				} else if err == nil {
 					fmt.Fprint(os.Stdout, resp.Message)
+				} else if code := status.Code(err); code == codes.DeadlineExceeded || code == codes.Canceled {
+					return nil
 				} else {
 					return err
 				}

cmd/kubevpn/cmds/quit.go

@@ -7,6 +7,8 @@ import (
 	"os"
 
 	"github.com/spf13/cobra"
+	"google.golang.org/grpc/codes"
+	"google.golang.org/grpc/status"
 	cmdutil "k8s.io/kubectl/pkg/cmd/util"
 	"k8s.io/kubectl/pkg/util/i18n"
 	"k8s.io/kubectl/pkg/util/templates"
@@ -49,6 +51,8 @@ func quit(ctx context.Context, isSudo bool) error {
 			break
 		} else if err == nil {
 			fmt.Fprint(os.Stdout, resp.Message)
+		} else if code := status.Code(err); code == codes.DeadlineExceeded || code == codes.Canceled {
+			return nil
 		} else {
 			return err
 		}

cmd/kubevpn/cmds/root.go

@@ -62,6 +62,7 @@ func NewKubeVPNCommand() *cobra.Command {
 				CmdUpgrade(factory),
 				CmdReset(factory),
 				CmdVersion(factory),
+				CmdStatus(factory),
 				// Hidden, Server Commands (DO NOT USE IT !!!)
 				CmdControlPlane(factory),
 				CmdServe(factory),

cmd/kubevpn/cmds/serve.go

@@ -5,13 +5,15 @@ import (
 	"runtime"
 	"time"
 
+	log "github.com/sirupsen/logrus"
 	"github.com/spf13/cobra"
+	"go.uber.org/automaxprocs/maxprocs"
+	cmdutil "k8s.io/kubectl/pkg/cmd/util"
+
 	"github.com/wencaiwulue/kubevpn/pkg/config"
 	"github.com/wencaiwulue/kubevpn/pkg/core"
 	"github.com/wencaiwulue/kubevpn/pkg/handler"
 	"github.com/wencaiwulue/kubevpn/pkg/util"
-	"go.uber.org/automaxprocs/maxprocs"
-	cmdutil "k8s.io/kubectl/pkg/cmd/util"
 )
 
 func CmdServe(_ cmdutil.Factory) *cobra.Command {
@@ -29,11 +31,16 @@ func CmdServe(_ cmdutil.Factory) *cobra.Command {
 		RunE: func(cmd *cobra.Command, args []string) error {
 			rand.Seed(time.Now().UnixNano())
 			_, _ = maxprocs.Set(maxprocs.Logger(nil))
-			err := handler.Complete(route)
+			err := handler.RentIPIfNeeded(route)
 			if err != nil {
 				return err
 			}
-			defer handler.Final()
+			defer func() {
+				err := handler.ReleaseIPIfNeeded()
+				if err != nil {
+					log.Error(err)
+				}
+			}()
 			servers, err := handler.Parse(*route)
 			if err != nil {
 				return err

cmd/kubevpn/cmds/status.go

@@ -1 +1,37 @@
 package cmds
+
+import (
+	"fmt"
+
+	"github.com/spf13/cobra"
+	cmdutil "k8s.io/kubectl/pkg/cmd/util"
+	"k8s.io/kubectl/pkg/util/i18n"
+	"k8s.io/kubectl/pkg/util/templates"
+
+	"github.com/wencaiwulue/kubevpn/pkg/daemon"
+	"github.com/wencaiwulue/kubevpn/pkg/daemon/rpc"
+)
+
+func CmdStatus(f cmdutil.Factory) *cobra.Command {
+	cmd := &cobra.Command{
+		Use:     "status",
+		Short:   i18n.T("KubeVPN status"),
+		Long:    templates.LongDesc(i18n.T(`KubeVPN status`)),
+		Example: templates.Examples(i18n.T(``)),
+		PreRunE: func(cmd *cobra.Command, args []string) (err error) {
+			return daemon.StartupDaemon(cmd.Context())
+		},
+		RunE: func(cmd *cobra.Command, args []string) error {
+			client, err := daemon.GetClient(false).Status(
+				cmd.Context(),
+				&rpc.StatusRequest{},
+			)
+			if err != nil {
+				return err
+			}
+			fmt.Print(client.GetMessage())
+			return nil
+		},
+	}
+	return cmd
+}

cmd/kubevpn/cmds/version.go

@@ -35,6 +35,7 @@ func CmdVersion(cmdutil.Factory) *cobra.Command {
 		Run: func(cmd *cobra.Command, args []string) {
 			fmt.Printf("KubeVPN: CLI\n")
 			fmt.Printf("    Version: %s\n", config.Version)
+			fmt.Printf("    DaemonVersion: %s\n", config.Version)
 			fmt.Printf("    Image: %s\n", config.Image)
 			fmt.Printf("    Branch: %s\n", Branch)
 			fmt.Printf("    Git commit: %s\n", config.GitCommit)

pkg/config/const.go

@@ -9,8 +9,8 @@ const (
 	SockPath     = "daemon.sock"
 	SudoSockPath = "sudo_daemon.sock"
 
-	PidPath     = "daemon_pid"
+	PidPath     = "daemon.pid"
-	SudoPidPath = "sudo_daemon_pid"
+	SudoPidPath = "sudo_daemon.pid"
 
 	LogFile = "daemon.log"
 

pkg/daemon/action/connect.go

@@ -74,12 +74,12 @@ func InitFactory(kubeconfigBytes string, ns string) cmdutil.Factory {
 
 func (svr *Server) Connect(req *rpc.ConnectRequest, resp rpc.Daemon_ConnectServer) error {
 	origin := log.StandardLogger().Out
-	out := io.MultiWriter(newWarp(resp), origin)
-	log.SetOutput(out)
 	defer func() {
 		log.SetOutput(origin)
 		log.SetLevel(log.DebugLevel)
 	}()
+	out := io.MultiWriter(newWarp(resp), origin)
+	log.SetOutput(out)
 	util.InitLogger(false)
 	if !svr.IsSudo {
 		return svr.redirectToSudoDaemon(req, resp)

pkg/daemon/action/logs.go

@@ -17,6 +17,7 @@ func (svr *Server) Logs(req *rpc.LogRequest, resp rpc.Daemon_LogsServer) error {
 	if err != nil {
 		return err
 	}
+	defer file.Stop()
 	for {
 		select {
 		case <-resp.Context().Done():

pkg/daemon/action/status.go

@@ -7,7 +7,11 @@ import (
 )
 
 func (svr *Server) Status(ctx context.Context, request *rpc.StatusRequest) (*rpc.StatusResponse, error) {
+	status := "None"
+	if svr.connect != nil {
+		status = "Connected"
+	}
 	return &rpc.StatusResponse{
-		Message: "i am fine",
+		Message: status,
 	}, nil
 }

pkg/daemon/action/upgrade.go

@@ -1 +1,34 @@
 package action
+
+import (
+	"os"
+
+	goversion "github.com/hashicorp/go-version"
+	log "github.com/sirupsen/logrus"
+
+	"github.com/wencaiwulue/kubevpn/pkg/config"
+	"github.com/wencaiwulue/kubevpn/pkg/daemon/rpc"
+)
+
+func (svr *Server) Upgrade(req *rpc.UpgradeRequest, resp rpc.Daemon_UpgradeServer) error {
+	var err error
+	var clientVersion, daemonVersion *goversion.Version
+	clientVersion, err = goversion.NewVersion(req.ClientVersion)
+	if err != nil {
+		return err
+	}
+	daemonVersion, err = goversion.NewVersion(config.Version)
+	if err != nil {
+		return err
+	}
+	if clientVersion.GreaterThan(daemonVersion) || (clientVersion.Equal(daemonVersion) && req.ClientCommitId == config.GitCommit) {
+		log.Info("Already up to date, don't needs to upgrade")
+		return nil
+	}
+	executable, err := os.Executable()
+	if err != nil {
+		return err
+	}
+	println(executable)
+	return nil
+}

pkg/daemon/client.go

@@ -20,6 +20,7 @@ import (
 
 	"github.com/wencaiwulue/kubevpn/pkg/config"
 	"github.com/wencaiwulue/kubevpn/pkg/daemon/rpc"
+	"github.com/wencaiwulue/kubevpn/pkg/util"
 )
 
 var daemonClient, sudoDaemonClient rpc.DaemonClient
@@ -87,11 +88,27 @@ func GetPidPath(isSudo bool) string {
 	return filepath.Join(config.DaemonPath, name)
 }
 
-func GetDaemonCommand(isSudo bool) *exec.Cmd {
+func GetDaemonCommand(isSudo bool) error {
-	if isSudo {
+	exe, err := os.Executable()
-		return exec.Command("sudo", "--preserve-env", os.Args[0], "daemon", "--sudo")
+	if err != nil {
+		return err
 	}
-	return exec.Command(os.Args[0], "daemon")
+	fmt.Println(exe)
+	if isSudo {
+		return util.RunCmdWithElevated([]string{"daemon", "--sudo"})
+	}
+	cmd := exec.Command(exe, "daemon")
+	err = cmd.Start()
+	if err != nil {
+		return err
+	}
+	go func() {
+		err := cmd.Wait()
+		if err != nil {
+			log.Error(err)
+		}
+	}()
+	return nil
 }
 
 func StartupDaemon(ctx context.Context) error {
@@ -127,27 +144,27 @@ func runDaemon(ctx context.Context, isSudo bool) error {
 				if err = p.Kill(); err != nil && err != os.ErrProcessDone {
 					log.Error(err)
 				}
+				p.Wait()
 			}
 		}
 	}
-	cmd := GetDaemonCommand(isSudo)
+	err = GetDaemonCommand(isSudo)
-	cmd.Stdin = os.Stdin
-	cmd.Stdout = os.Stdout
-	cmd.Stderr = os.Stderr
-	if err = cmd.Start(); err != nil {
-		return err
-	}
-	err = os.WriteFile(pidPath, []byte(strconv.Itoa(cmd.Process.Pid)), os.ModePerm)
 	if err != nil {
 		return err
 	}
-	err = os.Chmod(GetPidPath(false), os.ModePerm)
+	//cmd.Stdin = os.Stdin
-	if err != nil {
+	//cmd.Stdout = os.Stdout
-		return err
+	//cmd.Stderr = os.Stderr
-	}
+	//if err = cmd.Start(); err != nil {
-	go func() {
+	//	return err
-		cmd.Wait()
+	//}
-	}()
+	//err = os.WriteFile(pidPath, []byte(strconv.Itoa(cmd.Process.Pid)), os.ModePerm)
+	//if err != nil {
+	//	return err
+	//}
+	//go func() {
+	//	cmd.Wait()
+	//}()
 
 	for ctx.Err() == nil {
 		time.Sleep(time.Millisecond * 50)
@@ -156,6 +173,11 @@ func runDaemon(ctx context.Context, isSudo bool) error {
 		}
 	}
 
+	err = os.Chmod(GetPidPath(false), os.ModePerm)
+	if err != nil {
+		return err
+	}
+
 	client := GetClient(isSudo)
 	if client == nil {
 		return fmt.Errorf("can not get daemon server client")

pkg/daemon/rpc/daemon.pb.go

@@ -782,6 +782,108 @@ func (x *LeaveResponse) GetMessage() string {
 	return ""
 }
 
+type UpgradeRequest struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	ClientVersion  string `protobuf:"bytes,1,opt,name=ClientVersion,proto3" json:"ClientVersion,omitempty"`
+	ClientCommitId string `protobuf:"bytes,2,opt,name=ClientCommitId,proto3" json:"ClientCommitId,omitempty"`
+}
+
+func (x *UpgradeRequest) Reset() {
+	*x = UpgradeRequest{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_daemon_proto_msgTypes[14]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *UpgradeRequest) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*UpgradeRequest) ProtoMessage() {}
+
+func (x *UpgradeRequest) ProtoReflect() protoreflect.Message {
+	mi := &file_daemon_proto_msgTypes[14]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use UpgradeRequest.ProtoReflect.Descriptor instead.
+func (*UpgradeRequest) Descriptor() ([]byte, []int) {
+	return file_daemon_proto_rawDescGZIP(), []int{14}
+}
+
+func (x *UpgradeRequest) GetClientVersion() string {
+	if x != nil {
+		return x.ClientVersion
+	}
+	return ""
+}
+
+func (x *UpgradeRequest) GetClientCommitId() string {
+	if x != nil {
+		return x.ClientCommitId
+	}
+	return ""
+}
+
+type UpgradeResponse struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Message string `protobuf:"bytes,1,opt,name=message,proto3" json:"message,omitempty"`
+}
+
+func (x *UpgradeResponse) Reset() {
+	*x = UpgradeResponse{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_daemon_proto_msgTypes[15]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *UpgradeResponse) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*UpgradeResponse) ProtoMessage() {}
+
+func (x *UpgradeResponse) ProtoReflect() protoreflect.Message {
+	mi := &file_daemon_proto_msgTypes[15]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use UpgradeResponse.ProtoReflect.Descriptor instead.
+func (*UpgradeResponse) Descriptor() ([]byte, []int) {
+	return file_daemon_proto_rawDescGZIP(), []int{15}
+}
+
+func (x *UpgradeResponse) GetMessage() string {
+	if x != nil {
+		return x.Message
+	}
+	return ""
+}
+
 var File_daemon_proto protoreflect.FileDescriptor
 
 var file_daemon_proto_rawDesc = []byte{
@@ -854,36 +956,48 @@ var file_daemon_proto_rawDesc = []byte{
 	0x03, 0x28, 0x09, 0x52, 0x09, 0x57, 0x6f, 0x72, 0x6b, 0x6c, 0x6f, 0x61, 0x64, 0x73, 0x22, 0x29,
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+	0x52, 0x07, 0x6d, 0x65, 0x73, 0x73, 0x61, 0x67, 0x65, 0x22, 0x5e, 0x0a, 0x0e, 0x55, 0x70, 0x67,
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+	0x72, 0x61, 0x64, 0x65, 0x52, 0x65, 0x71, 0x75, 0x65, 0x73, 0x74, 0x12, 0x24, 0x0a, 0x0d, 0x43,
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+	0x6c, 0x69, 0x65, 0x6e, 0x74, 0x56, 0x65, 0x72, 0x73, 0x69, 0x6f, 0x6e, 0x18, 0x01, 0x20, 0x01,
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+	0x28, 0x09, 0x52, 0x0d, 0x43, 0x6c, 0x69, 0x65, 0x6e, 0x74, 0x56, 0x65, 0x72, 0x73, 0x69, 0x6f,
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+	0x6e, 0x12, 0x26, 0x0a, 0x0e, 0x43, 0x6c, 0x69, 0x65, 0x6e, 0x74, 0x43, 0x6f, 0x6d, 0x6d, 0x69,
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+	0x63, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
 }
 
 var (
@@ -898,7 +1012,7 @@ func file_daemon_proto_rawDescGZIP() []byte {
 	return file_daemon_proto_rawDescData
 }
 
-var file_daemon_proto_msgTypes = make([]protoimpl.MessageInfo, 15)
+var file_daemon_proto_msgTypes = make([]protoimpl.MessageInfo, 17)
 var file_daemon_proto_goTypes = []interface{}{
 	(*ConnectRequest)(nil),     // 0: rpc.ConnectRequest
 	(*ConnectResponse)(nil),    // 1: rpc.ConnectResponse
@@ -914,10 +1028,12 @@ var file_daemon_proto_goTypes = []interface{}{
 	(*ListResponse)(nil),       // 11: rpc.ListResponse
 	(*LeaveRequest)(nil),       // 12: rpc.LeaveRequest
 	(*LeaveResponse)(nil),      // 13: rpc.LeaveResponse
-	nil,                        // 14: rpc.ConnectRequest.HeadersEntry
+	(*UpgradeRequest)(nil),     // 14: rpc.UpgradeRequest
+	(*UpgradeResponse)(nil),    // 15: rpc.UpgradeResponse
+	nil,                        // 16: rpc.ConnectRequest.HeadersEntry
 }
 var file_daemon_proto_depIdxs = []int32{
-	14, // 0: rpc.ConnectRequest.Headers:type_name -> rpc.ConnectRequest.HeadersEntry
+	16, // 0: rpc.ConnectRequest.Headers:type_name -> rpc.ConnectRequest.HeadersEntry
 	0,  // 1: rpc.Daemon.Connect:input_type -> rpc.ConnectRequest
 	0,  // 2: rpc.Daemon.Proxy:input_type -> rpc.ConnectRequest
 	8,  // 3: rpc.Daemon.Disconnect:input_type -> rpc.DisconnectRequest
@@ -926,16 +1042,18 @@ var file_daemon_proto_depIdxs = []int32{
 	2,  // 6: rpc.Daemon.Quit:input_type -> rpc.QuitRequest
 	10, // 7: rpc.Daemon.List:input_type -> rpc.ListRequest
 	12, // 8: rpc.Daemon.Leave:input_type -> rpc.LeaveRequest
-	1,  // 9: rpc.Daemon.Connect:output_type -> rpc.ConnectResponse
+	14, // 9: rpc.Daemon.Upgrade:input_type -> rpc.UpgradeRequest
-	1,  // 10: rpc.Daemon.Proxy:output_type -> rpc.ConnectResponse
+	1,  // 10: rpc.Daemon.Connect:output_type -> rpc.ConnectResponse
-	9,  // 11: rpc.Daemon.Disconnect:output_type -> rpc.DisconnectResponse
+	1,  // 11: rpc.Daemon.Proxy:output_type -> rpc.ConnectResponse
-	7,  // 12: rpc.Daemon.Logs:output_type -> rpc.LogResponse
+	9,  // 12: rpc.Daemon.Disconnect:output_type -> rpc.DisconnectResponse
-	5,  // 13: rpc.Daemon.Status:output_type -> rpc.StatusResponse
+	7,  // 13: rpc.Daemon.Logs:output_type -> rpc.LogResponse
-	3,  // 14: rpc.Daemon.Quit:output_type -> rpc.QuitResponse
+	5,  // 14: rpc.Daemon.Status:output_type -> rpc.StatusResponse
-	11, // 15: rpc.Daemon.List:output_type -> rpc.ListResponse
+	3,  // 15: rpc.Daemon.Quit:output_type -> rpc.QuitResponse
-	13, // 16: rpc.Daemon.Leave:output_type -> rpc.LeaveResponse
+	11, // 16: rpc.Daemon.List:output_type -> rpc.ListResponse
-	9,  // [9:17] is the sub-list for method output_type
+	13, // 17: rpc.Daemon.Leave:output_type -> rpc.LeaveResponse
-	1,  // [1:9] is the sub-list for method input_type
+	15, // 18: rpc.Daemon.Upgrade:output_type -> rpc.UpgradeResponse
+	10, // [10:19] is the sub-list for method output_type
+	1,  // [1:10] is the sub-list for method input_type
 	1,  // [1:1] is the sub-list for extension type_name
 	1,  // [1:1] is the sub-list for extension extendee
 	0,  // [0:1] is the sub-list for field type_name
@@ -1115,6 +1233,30 @@ func file_daemon_proto_init() {
 				return nil
 			}
 		}
+		file_daemon_proto_msgTypes[14].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*UpgradeRequest); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_daemon_proto_msgTypes[15].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*UpgradeResponse); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
 	}
 	type x struct{}
 	out := protoimpl.TypeBuilder{
@@ -1122,7 +1264,7 @@ func file_daemon_proto_init() {
 			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
 			RawDescriptor: file_daemon_proto_rawDesc,
 			NumEnums:      0,
-			NumMessages:   15,
+			NumMessages:   17,
 			NumExtensions: 0,
 			NumServices:   1,
 		},

pkg/daemon/rpc/daemon.proto

@@ -13,6 +13,7 @@ service Daemon {
   rpc Quit (QuitRequest) returns (stream QuitResponse) {}
   rpc List (ListRequest) returns (ListResponse) {}
   rpc Leave (LeaveRequest) returns (stream LeaveResponse) {}
+  rpc Upgrade (UpgradeRequest) returns (stream UpgradeResponse) {}
 }
 
 message ConnectRequest {
@@ -87,4 +88,13 @@ message LeaveRequest {
 
 message LeaveResponse {
   string message = 1;
+}
+
+message UpgradeRequest {
+  string ClientVersion = 1;
+  string ClientCommitId = 2;
+}
+
+message UpgradeResponse {
+  string message = 1;
 }

pkg/daemon/rpc/daemon_grpc.pb.go

@@ -27,6 +27,7 @@ const (
 	Daemon_Quit_FullMethodName       = "/rpc.Daemon/Quit"
 	Daemon_List_FullMethodName       = "/rpc.Daemon/List"
 	Daemon_Leave_FullMethodName      = "/rpc.Daemon/Leave"
+	Daemon_Upgrade_FullMethodName    = "/rpc.Daemon/Upgrade"
 )
 
 // DaemonClient is the client API for Daemon service.
@@ -41,6 +42,7 @@ type DaemonClient interface {
 	Quit(ctx context.Context, in *QuitRequest, opts ...grpc.CallOption) (Daemon_QuitClient, error)
 	List(ctx context.Context, in *ListRequest, opts ...grpc.CallOption) (*ListResponse, error)
 	Leave(ctx context.Context, in *LeaveRequest, opts ...grpc.CallOption) (Daemon_LeaveClient, error)
+	Upgrade(ctx context.Context, in *UpgradeRequest, opts ...grpc.CallOption) (Daemon_UpgradeClient, error)
 }
 
 type daemonClient struct {
@@ -261,6 +263,38 @@ func (x *daemonLeaveClient) Recv() (*LeaveResponse, error) {
 	return m, nil
 }
 
+func (c *daemonClient) Upgrade(ctx context.Context, in *UpgradeRequest, opts ...grpc.CallOption) (Daemon_UpgradeClient, error) {
+	stream, err := c.cc.NewStream(ctx, &Daemon_ServiceDesc.Streams[6], Daemon_Upgrade_FullMethodName, opts...)
+	if err != nil {
+		return nil, err
+	}
+	x := &daemonUpgradeClient{stream}
+	if err := x.ClientStream.SendMsg(in); err != nil {
+		return nil, err
+	}
+	if err := x.ClientStream.CloseSend(); err != nil {
+		return nil, err
+	}
+	return x, nil
+}
+
+type Daemon_UpgradeClient interface {
+	Recv() (*UpgradeResponse, error)
+	grpc.ClientStream
+}
+
+type daemonUpgradeClient struct {
+	grpc.ClientStream
+}
+
+func (x *daemonUpgradeClient) Recv() (*UpgradeResponse, error) {
+	m := new(UpgradeResponse)
+	if err := x.ClientStream.RecvMsg(m); err != nil {
+		return nil, err
+	}
+	return m, nil
+}
+
 // DaemonServer is the server API for Daemon service.
 // All implementations must embed UnimplementedDaemonServer
 // for forward compatibility
@@ -273,6 +307,7 @@ type DaemonServer interface {
 	Quit(*QuitRequest, Daemon_QuitServer) error
 	List(context.Context, *ListRequest) (*ListResponse, error)
 	Leave(*LeaveRequest, Daemon_LeaveServer) error
+	Upgrade(*UpgradeRequest, Daemon_UpgradeServer) error
 	mustEmbedUnimplementedDaemonServer()
 }
 
@@ -304,6 +339,9 @@ func (UnimplementedDaemonServer) List(context.Context, *ListRequest) (*ListRespo
 func (UnimplementedDaemonServer) Leave(*LeaveRequest, Daemon_LeaveServer) error {
 	return status.Errorf(codes.Unimplemented, "method Leave not implemented")
 }
+func (UnimplementedDaemonServer) Upgrade(*UpgradeRequest, Daemon_UpgradeServer) error {
+	return status.Errorf(codes.Unimplemented, "method Upgrade not implemented")
+}
 func (UnimplementedDaemonServer) mustEmbedUnimplementedDaemonServer() {}
 
 // UnsafeDaemonServer may be embedded to opt out of forward compatibility for this service.
@@ -479,6 +517,27 @@ func (x *daemonLeaveServer) Send(m *LeaveResponse) error {
 	return x.ServerStream.SendMsg(m)
 }
 
+func _Daemon_Upgrade_Handler(srv interface{}, stream grpc.ServerStream) error {
+	m := new(UpgradeRequest)
+	if err := stream.RecvMsg(m); err != nil {
+		return err
+	}
+	return srv.(DaemonServer).Upgrade(m, &daemonUpgradeServer{stream})
+}
+
+type Daemon_UpgradeServer interface {
+	Send(*UpgradeResponse) error
+	grpc.ServerStream
+}
+
+type daemonUpgradeServer struct {
+	grpc.ServerStream
+}
+
+func (x *daemonUpgradeServer) Send(m *UpgradeResponse) error {
+	return x.ServerStream.SendMsg(m)
+}
+
 // Daemon_ServiceDesc is the grpc.ServiceDesc for Daemon service.
 // It's only intended for direct use with grpc.RegisterService,
 // and not to be introspected or modified (even as a copy)
@@ -526,6 +585,11 @@ var Daemon_ServiceDesc = grpc.ServiceDesc{
 			Handler:       _Daemon_Leave_Handler,
 			ServerStreams: true,
 		},
+		{
+			StreamName:    "Upgrade",
+			Handler:       _Daemon_Upgrade_Handler,
+			ServerStreams: true,
+		},
 	},
 	Metadata: "daemon.proto",
 }

pkg/handler/connect.go

@@ -4,7 +4,6 @@ import (
 	"context"
 	"encoding/json"
 	"fmt"
-	"google.golang.org/grpc/metadata"
 	"io"
 	"math"
 	"math/rand"
@@ -29,6 +28,7 @@ import (
 	log "github.com/sirupsen/logrus"
 	"github.com/spf13/pflag"
 	"golang.org/x/sync/errgroup"
+	"google.golang.org/grpc/metadata"
 	v1 "k8s.io/api/core/v1"
 	apierrors "k8s.io/apimachinery/pkg/api/errors"
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"

pkg/handler/serve.go

@@ -13,7 +13,7 @@ import (
 	"github.com/wencaiwulue/kubevpn/pkg/util"
 )
 
-func Complete(route *core.Route) error {
+func RentIPIfNeeded(route *core.Route) error {
 	if v, ok := os.LookupEnv(config.EnvInboundPodTunIPv4); ok && v == "" {
 		namespace := os.Getenv(config.EnvPodNamespace)
 		if namespace == "" {
@@ -60,7 +60,7 @@ func Complete(route *core.Route) error {
 	return nil
 }
 
-func Final() error {
+func ReleaseIPIfNeeded() error {
 	namespace := os.Getenv(config.EnvPodNamespace)
 	url := fmt.Sprintf("https://%s:80%s", util.GetTlsDomain(namespace), config.APIReleaseIP)
 	req, err := http.NewRequest("DELETE", url, nil)

pkg/util/elevate_others.go

@@ -0,0 +1,51 @@
+//go:build !windows
+// +build !windows
+
+package util
+
+import (
+	"flag"
+	log "github.com/sirupsen/logrus"
+	"k8s.io/client-go/tools/clientcmd"
+	"os"
+	"os/exec"
+	"runtime"
+)
+
+func RunCmdWithElevated(args []string) error {
+	// fix if startup with normal user, after elevated home dir will change to root user in linux
+	// but unix don't have this issue
+	if runtime.GOOS == "linux" && flag.Lookup("kubeconfig") == nil {
+		if _, err := os.Stat(clientcmd.RecommendedHomeFile); err == nil {
+			os.Args = append(os.Args, "--kubeconfig", clientcmd.RecommendedHomeFile)
+		}
+	}
+	exe, err := os.Executable()
+	if err != nil {
+		return err
+	}
+	cmd := exec.Command("sudo", append([]string{"--preserve-env", exe}, args...)...)
+	log.Debug(cmd.Args)
+	cmd.Stdout = os.Stdout
+	cmd.Stderr = os.Stderr
+	cmd.Stdin = os.Stdin
+	cmd.Env = append(os.Environ(), envStartSudoKubeVPNByKubeVPN+"=1")
+	//// while send single CTRL+C, command will quit immediately, but output will cut off and print util quit final
+	//// so, mute single CTRL+C, let inner command handle single only
+	//go func() {
+	//	signals := make(chan os.Signal)
+	//	signal.Notify(signals, os.Interrupt, os.Kill, syscall.SIGHUP, syscall.SIGINT, syscall.SIGTERM, syscall.SIGQUIT, syscall.SIGKILL, syscall.SIGSTOP)
+	//	<-signals
+	//}()
+	err = cmd.Start()
+	if err != nil {
+		return err
+	}
+	go func() {
+		err := cmd.Wait()
+		if err != nil {
+			log.Warn(err)
+		}
+	}()
+	return nil
+}

pkg/util/elevate_windows.go

@@ -0,0 +1,52 @@
+//go:build windows
+// +build windows
+
+package util
+
+import (
+	"os"
+	"strings"
+	"syscall"
+
+	"github.com/sirupsen/logrus"
+	"golang.org/x/sys/windows"
+)
+
+// ref https://stackoverflow.com/questions/31558066/how-to-ask-for-administer-privileges-on-windows-with-go
+func RunCmdWithElevated(arg []string) error {
+	verb := "runas"
+	exe, err := os.Executable()
+	if err != nil {
+		return err
+	}
+	cwd, err := os.Getwd()
+	if err != nil {
+		return err
+	}
+	args := strings.Join(arg, " ")
+
+	verbPtr, err := windows.UTF16PtrFromString(verb)
+	if err != nil {
+		return err
+	}
+	exePtr, err := syscall.UTF16PtrFromString(exe)
+	if err != nil {
+		return err
+	}
+	cwdPtr, err := syscall.UTF16PtrFromString(cwd)
+	if err != nil {
+		return err
+	}
+	argPtr, err := syscall.UTF16PtrFromString(args)
+	if err != nil {
+		return err
+	}
+
+	var showCmd int32 = 1 //SW_NORMAL
+
+	err = windows.ShellExecute(0, verbPtr, exePtr, argPtr, cwdPtr, showCmd)
+	if err != nil {
+		logrus.Warn(err)
+	}
+	return err
+}