feat: impl of functionality for renaming and updating machines (#91)

.github/workflows/go-tests.yml

@@ -37,7 +37,9 @@ jobs:
             (echo "go.mod or go.sum has changed. Please run 'go mod tidy' and commit the changes." && exit 1)
 
       - name: Run tests
-        run: make test
+        run: |
+          make ucind-image
+          make test
     timeout-minutes: 10
 
   check-protobuf:

Makefile

@@ -46,6 +46,11 @@ proto:
 	protoc --go_out=. --go_opt=paths=source_relative --go-grpc_out=. --go-grpc_opt=paths=source_relative \
 		--proto_path=. --proto_path=internal/machine/api/vendor internal/machine/api/pb/*.proto
 
+.PHONY: proto-mise
+proto-mise:
+	mise exec -- protoc --go_out=. --go_opt=paths=source_relative --go-grpc_out=. --go-grpc_opt=paths=source_relative \
+		--proto_path=. --proto_path=internal/machine/api/vendor internal/machine/api/pb/*.proto
+
 .PHONY: corrosion-image
 corrosion-image:
 	docker build -t "$(CORROSION_IMAGE)" --target corrosion .
@@ -67,9 +72,13 @@ test:
 ifeq ($(TEST_NAME),)
 	go test -count=1 -v ./...
 else
-	go test -count=1 -v -run ^$(TEST_NAME)$$ ./...
+	go test -race -count=1 -v -run ^$(TEST_NAME)$$ ./...
 endif
 
+.PHONY: test-e2e
+test-e2e:
+	go test -race -count=1 -v ./test/e2e
+
 .PHONY: test-clean
 test-clean:
 	@CONTAINERS=$$(docker ps --filter "name=ucind-test" -q); \

cmd/uncloud/machine/add.go

@@ -59,7 +59,7 @@ func NewAddCommand() *cobra.Command {
 	cmd.Flags().StringVar(
 		&opts.publicIP, "public-ip", "auto",
 		"Public IP address of the machine for ingress configuration. Use 'auto' for automatic detection, "+
-			"blank '' or 'none' to disable ingress on this machine, or specify an IP address.",
+			fmt.Sprintf("blank '' or '%s' to disable ingress on this machine, or specify an IP address.", PublicIPNone),
 	)
 	cmd.Flags().StringVarP(
 		&opts.sshKey, "ssh-key", "i", "~/.ssh/id_ed25519",
@@ -82,7 +82,7 @@ func add(ctx context.Context, uncli *cli.CLI, remoteMachine cli.RemoteMachine, o
 	switch opts.publicIP {
 	case "auto":
 		publicIP = &netip.Addr{}
-	case "", "none":
+	case "", PublicIPNone:
 		publicIP = nil
 	default:
 		ip, err := netip.ParseAddr(opts.publicIP)

cmd/uncloud/machine/constants.go

@@ -0,0 +1,6 @@
+package machine
+
+const (
+	// PublicIPNone is the value used to indicate removal of public IP
+	PublicIPNone = "none"
+)

cmd/uncloud/machine/init.go

@@ -77,7 +77,7 @@ func NewInitCommand() *cobra.Command {
 	cmd.Flags().StringVar(
 		&opts.publicIP, "public-ip", "auto",
 		"Public IP address of the machine for ingress configuration. Use 'auto' for automatic detection, "+
-			"blank '' or 'none' to disable ingress on this machine, or specify an IP address.",
+			fmt.Sprintf("blank '' or '%s' to disable ingress on this machine, or specify an IP address.", PublicIPNone),
 	)
 	cmd.Flags().StringVarP(
 		&opts.sshKey, "ssh-key", "i", "~/.ssh/id_ed25519",
@@ -105,7 +105,7 @@ func initCluster(ctx context.Context, uncli *cli.CLI, remoteMachine *cli.RemoteM
 	switch opts.publicIP {
 	case "auto":
 		publicIP = &netip.Addr{}
-	case "", "none":
+	case "", PublicIPNone:
 		publicIP = nil
 	default:
 		ip, err := netip.ParseAddr(opts.publicIP)

cmd/uncloud/machine/rename.go

@@ -0,0 +1,47 @@
+package machine
+
+import (
+	"context"
+	"fmt"
+
+	"github.com/psviderski/uncloud/internal/cli"
+	"github.com/spf13/cobra"
+)
+
+func NewRenameCommand() *cobra.Command {
+	var contextName string
+	cmd := &cobra.Command{
+		Use:   "rename OLD_NAME NEW_NAME",
+		Short: "Rename a machine in the cluster.",
+		Long: `Rename a machine in the cluster.
+
+This command changes the name of an existing machine while preserving all other
+configuration including network settings, public IP, and cluster membership.`,
+		Args: cobra.ExactArgs(2),
+		RunE: func(cmd *cobra.Command, args []string) error {
+			uncli := cmd.Context().Value("cli").(*cli.CLI)
+			return rename(cmd.Context(), uncli, contextName, args[0], args[1])
+		},
+	}
+	cmd.Flags().StringVarP(
+		&contextName, "context", "c", "",
+		"Name of the cluster context. (default is the current context)",
+	)
+	return cmd
+}
+
+func rename(ctx context.Context, uncli *cli.CLI, contextName, oldName, newName string) error {
+	client, err := uncli.ConnectCluster(ctx, contextName)
+	if err != nil {
+		return err
+	}
+	defer client.Close()
+
+	machine, err := client.RenameMachine(ctx, oldName, newName)
+	if err != nil {
+		return fmt.Errorf("rename machine: %w", err)
+	}
+
+	fmt.Printf("Machine %q renamed to %q (ID: %s)\n", oldName, machine.Name, machine.Id)
+	return nil
+}

cmd/uncloud/machine/root.go

@@ -14,7 +14,9 @@ func NewRootCommand() *cobra.Command {
 		NewAddCommand(),
 		NewInitCommand(),
 		NewListCommand(),
+		NewRenameCommand(),
 		NewRmCommand(),
+		NewUpdateCommand(),
 		NewTokenCommand(),
 	)
 	return cmd

cmd/uncloud/machine/update.go

@@ -0,0 +1,128 @@
+package machine
+
+import (
+	"context"
+	"fmt"
+	"net/netip"
+
+	"github.com/psviderski/uncloud/internal/cli"
+	"github.com/psviderski/uncloud/internal/machine/api/pb"
+	"github.com/spf13/cobra"
+)
+
+type updateOptions struct {
+	name     string
+	publicIP string
+	context  string
+}
+
+func NewUpdateCommand() *cobra.Command {
+	opts := updateOptions{}
+	cmd := &cobra.Command{
+		Use:   "update",
+		Short: "Update machine configuration in the cluster.",
+		Long: `Update machine configuration in the cluster.
+
+This command allows setting various machine properties including:
+- Machine name (--name)
+- Public IP address (--public-ip)
+
+At least one flag must be specified to perform an update operation.`,
+		Args: cobra.ExactArgs(1),
+		RunE: func(cmd *cobra.Command, args []string) error {
+			uncli := cmd.Context().Value("cli").(*cli.CLI)
+			return update(cmd.Context(), uncli, cmd, opts, args[0])
+		},
+	}
+
+	cmd.Flags().StringVar(
+		&opts.name, "name", "",
+		"New name for the machine",
+	)
+	cmd.Flags().StringVar(
+		&opts.publicIP, "public-ip", "",
+		fmt.Sprintf("Public IP address of the machine for ingress configuration. Use '%s' or '' to remove the public IP.", PublicIPNone),
+	)
+	cmd.Flags().StringVarP(
+		&opts.context, "context", "c", "",
+		"Name of the cluster context. (default is the current context)",
+	)
+
+	return cmd
+}
+
+func update(ctx context.Context, uncli *cli.CLI, cmd *cobra.Command, opts updateOptions, machineNameOrID string) error {
+	// Check if at least one flag was explicitly set
+	if !cmd.Flags().Changed("name") && !cmd.Flags().Changed("public-ip") {
+		return fmt.Errorf("at least one update flag must be specified (--name, --public-ip)")
+	}
+
+	client, err := uncli.ConnectCluster(ctx, opts.context)
+	if err != nil {
+		return err
+	}
+	defer client.Close()
+
+	// First, resolve the machine to get its ID
+	machine, err := client.InspectMachine(ctx, machineNameOrID)
+	if err != nil {
+		return fmt.Errorf("find machine: %w", err)
+	}
+
+	// Build the update request
+	req := &pb.UpdateMachineRequest{
+		MachineId: machine.Machine.Id,
+	}
+
+	if opts.name != "" {
+		req.Name = &opts.name
+	}
+
+	// Check if --public-ip flag was explicitly provided
+	if cmd.Flags().Changed("public-ip") {
+		if opts.publicIP == "" || opts.publicIP == PublicIPNone {
+			req.PublicIp = &pb.IP{} // Empty IP to signal removal
+		} else {
+			// Parse and validate the public IP
+			ip, err := netip.ParseAddr(opts.publicIP)
+			if err != nil {
+				return fmt.Errorf("invalid public IP address %q: %w", opts.publicIP, err)
+			}
+			req.PublicIp = pb.NewIP(ip)
+		}
+	}
+
+	// Perform the update operation
+	updatedMachine, err := client.UpdateMachine(ctx, req)
+	if err != nil {
+		return fmt.Errorf("update machine: %w", err)
+	}
+
+	// Report what was changed
+	changes := make([]string, 0)
+	if opts.name != "" {
+		changes = append(changes, fmt.Sprintf("name: %q -> %q", machine.Machine.Name, updatedMachine.Name))
+	}
+	if cmd.Flags().Changed("public-ip") {
+		oldIP := PublicIPNone
+		if machine.Machine.PublicIp != nil {
+			if addr, err := machine.Machine.PublicIp.ToAddr(); err == nil {
+				oldIP = addr.String()
+			}
+		}
+		newIP := PublicIPNone
+		if updatedMachine.PublicIp != nil {
+			if addr, err := updatedMachine.PublicIp.ToAddr(); err == nil {
+				newIP = addr.String()
+			}
+		}
+		changes = append(changes, fmt.Sprintf("public IP: %s -> %s", oldIP, newIP))
+	}
+
+	fmt.Printf("Machine %q (ID: %s) configuration updated:\n", updatedMachine.Name, updatedMachine.Id)
+	for _, change := range changes {
+		fmt.Printf("  %s\n", change)
+	}
+
+	return nil
+}

internal/machine/api/pb/cluster.pb.go

@@ -590,6 +590,126 @@ func (x *DNSRecord) GetValues() []string {
 	return nil
 }
 
+type UpdateMachineRequest struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// Machine to update
+	MachineId string `protobuf:"bytes,1,opt,name=machine_id,json=machineId,proto3" json:"machine_id,omitempty"`
+	// Updated machine information
+	Name      *string   `protobuf:"bytes,2,opt,name=name,proto3,oneof" json:"name,omitempty"`
+	PublicIp  *IP       `protobuf:"bytes,3,opt,name=public_ip,json=publicIp,proto3,oneof" json:"public_ip,omitempty"`
+	Endpoints []*IPPort `protobuf:"bytes,4,rep,name=endpoints,proto3" json:"endpoints,omitempty"`
+}
+
+func (x *UpdateMachineRequest) Reset() {
+	*x = UpdateMachineRequest{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_internal_machine_api_pb_cluster_proto_msgTypes[9]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *UpdateMachineRequest) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*UpdateMachineRequest) ProtoMessage() {}
+
+func (x *UpdateMachineRequest) ProtoReflect() protoreflect.Message {
+	mi := &file_internal_machine_api_pb_cluster_proto_msgTypes[9]
+	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 UpdateMachineRequest.ProtoReflect.Descriptor instead.
+func (*UpdateMachineRequest) Descriptor() ([]byte, []int) {
+	return file_internal_machine_api_pb_cluster_proto_rawDescGZIP(), []int{9}
+}
+
+func (x *UpdateMachineRequest) GetMachineId() string {
+	if x != nil {
+		return x.MachineId
+	}
+	return ""
+}
+
+func (x *UpdateMachineRequest) GetName() string {
+	if x != nil && x.Name != nil {
+		return *x.Name
+	}
+	return ""
+}
+
+func (x *UpdateMachineRequest) GetPublicIp() *IP {
+	if x != nil {
+		return x.PublicIp
+	}
+	return nil
+}
+
+func (x *UpdateMachineRequest) GetEndpoints() []*IPPort {
+	if x != nil {
+		return x.Endpoints
+	}
+	return nil
+}
+
+type UpdateMachineResponse struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Machine *MachineInfo `protobuf:"bytes,1,opt,name=machine,proto3" json:"machine,omitempty"`
+}
+
+func (x *UpdateMachineResponse) Reset() {
+	*x = UpdateMachineResponse{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_internal_machine_api_pb_cluster_proto_msgTypes[10]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *UpdateMachineResponse) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*UpdateMachineResponse) ProtoMessage() {}
+
+func (x *UpdateMachineResponse) ProtoReflect() protoreflect.Message {
+	mi := &file_internal_machine_api_pb_cluster_proto_msgTypes[10]
+	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 UpdateMachineResponse.ProtoReflect.Descriptor instead.
+func (*UpdateMachineResponse) Descriptor() ([]byte, []int) {
+	return file_internal_machine_api_pb_cluster_proto_rawDescGZIP(), []int{10}
+}
+
+func (x *UpdateMachineResponse) GetMachine() *MachineInfo {
+	if x != nil {
+		return x.Machine
+	}
+	return nil
+}
+
 var File_internal_machine_api_pb_cluster_proto protoreflect.FileDescriptor
 
 var file_internal_machine_api_pb_cluster_proto_rawDesc = []byte{
@@ -654,35 +774,56 @@ var file_internal_machine_api_pb_cluster_proto_rawDesc = []byte{
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+	0x71, 0x75, 0x65, 0x73, 0x74, 0x1a, 0x17, 0x2e, 0x61, 0x70, 0x69, 0x2e, 0x41, 0x64, 0x64, 0x4d,
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+	0x74, 0x4d, 0x61, 0x63, 0x68, 0x69, 0x6e, 0x65, 0x73, 0x52, 0x65, 0x73, 0x70, 0x6f, 0x6e, 0x73,
+	0x65, 0x12, 0x46, 0x0a, 0x0d, 0x55, 0x70, 0x64, 0x61, 0x74, 0x65, 0x4d, 0x61, 0x63, 0x68, 0x69,
+	0x6e, 0x65, 0x12, 0x19, 0x2e, 0x61, 0x70, 0x69, 0x2e, 0x55, 0x70, 0x64, 0x61, 0x74, 0x65, 0x4d,
+	0x61, 0x63, 0x68, 0x69, 0x6e, 0x65, 0x52, 0x65, 0x71, 0x75, 0x65, 0x73, 0x74, 0x1a, 0x1a, 0x2e,
+	0x61, 0x70, 0x69, 0x2e, 0x55, 0x70, 0x64, 0x61, 0x74, 0x65, 0x4d, 0x61, 0x63, 0x68, 0x69, 0x6e,
+	0x65, 0x52, 0x65, 0x73, 0x70, 0x6f, 0x6e, 0x73, 0x65, 0x12, 0x37, 0x0a, 0x0d, 0x52, 0x65, 0x73,
+	0x65, 0x72, 0x76, 0x65, 0x44, 0x6f, 0x6d, 0x61, 0x69, 0x6e, 0x12, 0x19, 0x2e, 0x61, 0x70, 0x69,
+	0x2e, 0x52, 0x65, 0x73, 0x65, 0x72, 0x76, 0x65, 0x44, 0x6f, 0x6d, 0x61, 0x69, 0x6e, 0x52, 0x65,
+	0x71, 0x75, 0x65, 0x73, 0x74, 0x1a, 0x0b, 0x2e, 0x61, 0x70, 0x69, 0x2e, 0x44, 0x6f, 0x6d, 0x61,
+	0x69, 0x6e, 0x12, 0x30, 0x0a, 0x09, 0x47, 0x65, 0x74, 0x44, 0x6f, 0x6d, 0x61, 0x69, 0x6e, 0x12,
+	0x16, 0x2e, 0x67, 0x6f, 0x6f, 0x67, 0x6c, 0x65, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x62, 0x75,
+	0x66, 0x2e, 0x45, 0x6d, 0x70, 0x74, 0x79, 0x1a, 0x0b, 0x2e, 0x61, 0x70, 0x69, 0x2e, 0x44, 0x6f,
+	0x6d, 0x61, 0x69, 0x6e, 0x12, 0x34, 0x0a, 0x0d, 0x52, 0x65, 0x6c, 0x65, 0x61, 0x73, 0x65, 0x44,
+	0x6f, 0x6d, 0x61, 0x69, 0x6e, 0x12, 0x16, 0x2e, 0x67, 0x6f, 0x6f, 0x67, 0x6c, 0x65, 0x2e, 0x70,
+	0x72, 0x6f, 0x74, 0x6f, 0x62, 0x75, 0x66, 0x2e, 0x45, 0x6d, 0x70, 0x74, 0x79, 0x1a, 0x0b, 0x2e,
+	0x61, 0x70, 0x69, 0x2e, 0x44, 0x6f, 0x6d, 0x61, 0x69, 0x6e, 0x12, 0x58, 0x0a, 0x13, 0x43, 0x72,
 	0x65, 0x61, 0x74, 0x65, 0x44, 0x6f, 0x6d, 0x61, 0x69, 0x6e, 0x52, 0x65, 0x63, 0x6f, 0x72, 0x64,
-	0x73, 0x52, 0x65, 0x73, 0x70, 0x6f, 0x6e, 0x73, 0x65, 0x42, 0x37, 0x5a, 0x35, 0x67, 0x69, 0x74,
-	0x68, 0x75, 0x62, 0x2e, 0x63, 0x6f, 0x6d, 0x2f, 0x70, 0x73, 0x76, 0x69, 0x64, 0x65, 0x72, 0x73,
-	0x6b, 0x69, 0x2f, 0x75, 0x6e, 0x63, 0x6c, 0x6f, 0x75, 0x64, 0x2f, 0x69, 0x6e, 0x74, 0x65, 0x72,
-	0x6e, 0x61, 0x6c, 0x2f, 0x6d, 0x61, 0x63, 0x68, 0x69, 0x6e, 0x65, 0x2f, 0x61, 0x70, 0x69, 0x2f,
-	0x70, 0x62, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
+	0x73, 0x12, 0x1f, 0x2e, 0x61, 0x70, 0x69, 0x2e, 0x43, 0x72, 0x65, 0x61, 0x74, 0x65, 0x44, 0x6f,
+	0x6d, 0x61, 0x69, 0x6e, 0x52, 0x65, 0x63, 0x6f, 0x72, 0x64, 0x73, 0x52, 0x65, 0x71, 0x75, 0x65,
+	0x73, 0x74, 0x1a, 0x20, 0x2e, 0x61, 0x70, 0x69, 0x2e, 0x43, 0x72, 0x65, 0x61, 0x74, 0x65, 0x44,
+	0x6f, 0x6d, 0x61, 0x69, 0x6e, 0x52, 0x65, 0x63, 0x6f, 0x72, 0x64, 0x73, 0x52, 0x65, 0x73, 0x70,
+	0x6f, 0x6e, 0x73, 0x65, 0x42, 0x37, 0x5a, 0x35, 0x67, 0x69, 0x74, 0x68, 0x75, 0x62, 0x2e, 0x63,
+	0x6f, 0x6d, 0x2f, 0x70, 0x73, 0x76, 0x69, 0x64, 0x65, 0x72, 0x73, 0x6b, 0x69, 0x2f, 0x75, 0x6e,
+	0x63, 0x6c, 0x6f, 0x75, 0x64, 0x2f, 0x69, 0x6e, 0x74, 0x65, 0x72, 0x6e, 0x61, 0x6c, 0x2f, 0x6d,
+	0x61, 0x63, 0x68, 0x69, 0x6e, 0x65, 0x2f, 0x61, 0x70, 0x69, 0x2f, 0x70, 0x62, 0x62, 0x06, 0x70,
+	0x72, 0x6f, 0x74, 0x6f, 0x33,
 }
 
 var (
@@ -698,7 +839,7 @@ func file_internal_machine_api_pb_cluster_proto_rawDescGZIP() []byte {
 }
 
 var file_internal_machine_api_pb_cluster_proto_enumTypes = make([]protoimpl.EnumInfo, 2)
-var file_internal_machine_api_pb_cluster_proto_msgTypes = make([]protoimpl.MessageInfo, 9)
+var file_internal_machine_api_pb_cluster_proto_msgTypes = make([]protoimpl.MessageInfo, 11)
 var file_internal_machine_api_pb_cluster_proto_goTypes = []any{
 	(MachineMember_MembershipState)(0),  // 0: api.MachineMember.MembershipState
 	(DNSRecord_RecordType)(0),           // 1: api.DNSRecord.RecordType
@@ -711,38 +852,46 @@ var file_internal_machine_api_pb_cluster_proto_goTypes = []any{
 	(*CreateDomainRecordsRequest)(nil),  // 8: api.CreateDomainRecordsRequest
 	(*CreateDomainRecordsResponse)(nil), // 9: api.CreateDomainRecordsResponse
 	(*DNSRecord)(nil),                   // 10: api.DNSRecord
-	(*NetworkConfig)(nil),               // 11: api.NetworkConfig
-	(*IP)(nil),                          // 12: api.IP
-	(*MachineInfo)(nil),                 // 13: api.MachineInfo
-	(*emptypb.Empty)(nil),               // 14: google.protobuf.Empty
+	(*UpdateMachineRequest)(nil),        // 11: api.UpdateMachineRequest
+	(*UpdateMachineResponse)(nil),       // 12: api.UpdateMachineResponse
+	(*NetworkConfig)(nil),               // 13: api.NetworkConfig
+	(*IP)(nil),                          // 14: api.IP
+	(*MachineInfo)(nil),                 // 15: api.MachineInfo
+	(*IPPort)(nil),                      // 16: api.IPPort
+	(*emptypb.Empty)(nil),               // 17: google.protobuf.Empty
 }
 var file_internal_machine_api_pb_cluster_proto_depIdxs = []int32{
-	11, // 0: api.AddMachineRequest.network:type_name -> api.NetworkConfig
-	12, // 1: api.AddMachineRequest.public_ip:type_name -> api.IP
-	13, // 2: api.AddMachineResponse.machine:type_name -> api.MachineInfo
-	13, // 3: api.MachineMember.machine:type_name -> api.MachineInfo
+	13, // 0: api.AddMachineRequest.network:type_name -> api.NetworkConfig
+	14, // 1: api.AddMachineRequest.public_ip:type_name -> api.IP
+	15, // 2: api.AddMachineResponse.machine:type_name -> api.MachineInfo
+	15, // 3: api.MachineMember.machine:type_name -> api.MachineInfo
 	0,  // 4: api.MachineMember.state:type_name -> api.MachineMember.MembershipState
 	4,  // 5: api.ListMachinesResponse.machines:type_name -> api.MachineMember
 	10, // 6: api.CreateDomainRecordsRequest.records:type_name -> api.DNSRecord
 	10, // 7: api.CreateDomainRecordsResponse.records:type_name -> api.DNSRecord
 	1,  // 8: api.DNSRecord.type:type_name -> api.DNSRecord.RecordType
-	2,  // 9: api.Cluster.AddMachine:input_type -> api.AddMachineRequest
-	14, // 10: api.Cluster.ListMachines:input_type -> google.protobuf.Empty
-	7,  // 11: api.Cluster.ReserveDomain:input_type -> api.ReserveDomainRequest
-	14, // 12: api.Cluster.GetDomain:input_type -> google.protobuf.Empty
-	14, // 13: api.Cluster.ReleaseDomain:input_type -> google.protobuf.Empty
-	8,  // 14: api.Cluster.CreateDomainRecords:input_type -> api.CreateDomainRecordsRequest
-	3,  // 15: api.Cluster.AddMachine:output_type -> api.AddMachineResponse
-	5,  // 16: api.Cluster.ListMachines:output_type -> api.ListMachinesResponse
-	6,  // 17: api.Cluster.ReserveDomain:output_type -> api.Domain
-	6,  // 18: api.Cluster.GetDomain:output_type -> api.Domain
-	6,  // 19: api.Cluster.ReleaseDomain:output_type -> api.Domain
-	9,  // 20: api.Cluster.CreateDomainRecords:output_type -> api.CreateDomainRecordsResponse
-	15, // [15:21] is the sub-list for method output_type
-	9,  // [9:15] is the sub-list for method input_type
-	9,  // [9:9] is the sub-list for extension type_name
-	9,  // [9:9] is the sub-list for extension extendee
-	0,  // [0:9] is the sub-list for field type_name
+	14, // 9: api.UpdateMachineRequest.public_ip:type_name -> api.IP
+	16, // 10: api.UpdateMachineRequest.endpoints:type_name -> api.IPPort
+	15, // 11: api.UpdateMachineResponse.machine:type_name -> api.MachineInfo
+	2,  // 12: api.Cluster.AddMachine:input_type -> api.AddMachineRequest
+	17, // 13: api.Cluster.ListMachines:input_type -> google.protobuf.Empty
+	11, // 14: api.Cluster.UpdateMachine:input_type -> api.UpdateMachineRequest
+	7,  // 15: api.Cluster.ReserveDomain:input_type -> api.ReserveDomainRequest
+	17, // 16: api.Cluster.GetDomain:input_type -> google.protobuf.Empty
+	17, // 17: api.Cluster.ReleaseDomain:input_type -> google.protobuf.Empty
+	8,  // 18: api.Cluster.CreateDomainRecords:input_type -> api.CreateDomainRecordsRequest
+	3,  // 19: api.Cluster.AddMachine:output_type -> api.AddMachineResponse
+	5,  // 20: api.Cluster.ListMachines:output_type -> api.ListMachinesResponse
+	12, // 21: api.Cluster.UpdateMachine:output_type -> api.UpdateMachineResponse
+	6,  // 22: api.Cluster.ReserveDomain:output_type -> api.Domain
+	6,  // 23: api.Cluster.GetDomain:output_type -> api.Domain
+	6,  // 24: api.Cluster.ReleaseDomain:output_type -> api.Domain
+	9,  // 25: api.Cluster.CreateDomainRecords:output_type -> api.CreateDomainRecordsResponse
+	19, // [19:26] is the sub-list for method output_type
+	12, // [12:19] is the sub-list for method input_type
+	12, // [12:12] is the sub-list for extension type_name
+	12, // [12:12] is the sub-list for extension extendee
+	0,  // [0:12] is the sub-list for field type_name
 }
 
 func init() { file_internal_machine_api_pb_cluster_proto_init() }
@@ -861,14 +1010,39 @@ func file_internal_machine_api_pb_cluster_proto_init() {
 				return nil
 			}
 		}
+		file_internal_machine_api_pb_cluster_proto_msgTypes[9].Exporter = func(v any, i int) any {
+			switch v := v.(*UpdateMachineRequest); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
 			}
+		}
+		file_internal_machine_api_pb_cluster_proto_msgTypes[10].Exporter = func(v any, i int) any {
+			switch v := v.(*UpdateMachineResponse); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+	}
+	file_internal_machine_api_pb_cluster_proto_msgTypes[9].OneofWrappers = []any{}
 	type x struct{}
 	out := protoimpl.TypeBuilder{
 		File: protoimpl.DescBuilder{
 			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
 			RawDescriptor: file_internal_machine_api_pb_cluster_proto_rawDesc,
 			NumEnums:      2,
-			NumMessages:   9,
+			NumMessages:   11,
 			NumExtensions: 0,
 			NumServices:   1,
 		},

internal/machine/api/pb/cluster.proto

@@ -11,6 +11,7 @@ import "internal/machine/api/pb/machine.proto";
 service Cluster {
   rpc AddMachine(AddMachineRequest) returns (AddMachineResponse);
   rpc ListMachines(google.protobuf.Empty) returns (ListMachinesResponse);
+  rpc UpdateMachine(UpdateMachineRequest) returns (UpdateMachineResponse);
 
   rpc ReserveDomain(ReserveDomainRequest) returns (Domain);
   rpc GetDomain(google.protobuf.Empty) returns (Domain);
@@ -76,3 +77,17 @@ message DNSRecord {
   RecordType type = 2;
   repeated string values = 3;
 }
+
+message UpdateMachineRequest {
+  // Machine to update
+  string machine_id = 1;
+  
+  // Updated machine information
+  optional string name = 2;
+  optional IP public_ip = 3;
+  repeated IPPort endpoints = 4;
+}
+
+message UpdateMachineResponse {
+  MachineInfo machine = 1;
+}

internal/machine/api/pb/cluster_grpc.pb.go

@@ -22,6 +22,7 @@ const _ = grpc.SupportPackageIsVersion9
 const (
 	Cluster_AddMachine_FullMethodName          = "/api.Cluster/AddMachine"
 	Cluster_ListMachines_FullMethodName        = "/api.Cluster/ListMachines"
+	Cluster_UpdateMachine_FullMethodName       = "/api.Cluster/UpdateMachine"
 	Cluster_ReserveDomain_FullMethodName       = "/api.Cluster/ReserveDomain"
 	Cluster_GetDomain_FullMethodName           = "/api.Cluster/GetDomain"
 	Cluster_ReleaseDomain_FullMethodName       = "/api.Cluster/ReleaseDomain"
@@ -34,6 +35,7 @@ const (
 type ClusterClient interface {
 	AddMachine(ctx context.Context, in *AddMachineRequest, opts ...grpc.CallOption) (*AddMachineResponse, error)
 	ListMachines(ctx context.Context, in *emptypb.Empty, opts ...grpc.CallOption) (*ListMachinesResponse, error)
+	UpdateMachine(ctx context.Context, in *UpdateMachineRequest, opts ...grpc.CallOption) (*UpdateMachineResponse, error)
 	ReserveDomain(ctx context.Context, in *ReserveDomainRequest, opts ...grpc.CallOption) (*Domain, error)
 	GetDomain(ctx context.Context, in *emptypb.Empty, opts ...grpc.CallOption) (*Domain, error)
 	ReleaseDomain(ctx context.Context, in *emptypb.Empty, opts ...grpc.CallOption) (*Domain, error)
@@ -68,6 +70,16 @@ func (c *clusterClient) ListMachines(ctx context.Context, in *emptypb.Empty, opt
 	return out, nil
 }
 
+func (c *clusterClient) UpdateMachine(ctx context.Context, in *UpdateMachineRequest, opts ...grpc.CallOption) (*UpdateMachineResponse, error) {
+	cOpts := append([]grpc.CallOption{grpc.StaticMethod()}, opts...)
+	out := new(UpdateMachineResponse)
+	err := c.cc.Invoke(ctx, Cluster_UpdateMachine_FullMethodName, in, out, cOpts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
 func (c *clusterClient) ReserveDomain(ctx context.Context, in *ReserveDomainRequest, opts ...grpc.CallOption) (*Domain, error) {
 	cOpts := append([]grpc.CallOption{grpc.StaticMethod()}, opts...)
 	out := new(Domain)
@@ -114,6 +126,7 @@ func (c *clusterClient) CreateDomainRecords(ctx context.Context, in *CreateDomai
 type ClusterServer interface {
 	AddMachine(context.Context, *AddMachineRequest) (*AddMachineResponse, error)
 	ListMachines(context.Context, *emptypb.Empty) (*ListMachinesResponse, error)
+	UpdateMachine(context.Context, *UpdateMachineRequest) (*UpdateMachineResponse, error)
 	ReserveDomain(context.Context, *ReserveDomainRequest) (*Domain, error)
 	GetDomain(context.Context, *emptypb.Empty) (*Domain, error)
 	ReleaseDomain(context.Context, *emptypb.Empty) (*Domain, error)
@@ -134,6 +147,9 @@ func (UnimplementedClusterServer) AddMachine(context.Context, *AddMachineRequest
 func (UnimplementedClusterServer) ListMachines(context.Context, *emptypb.Empty) (*ListMachinesResponse, error) {
 	return nil, status.Errorf(codes.Unimplemented, "method ListMachines not implemented")
 }
+func (UnimplementedClusterServer) UpdateMachine(context.Context, *UpdateMachineRequest) (*UpdateMachineResponse, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method UpdateMachine not implemented")
+}
 func (UnimplementedClusterServer) ReserveDomain(context.Context, *ReserveDomainRequest) (*Domain, error) {
 	return nil, status.Errorf(codes.Unimplemented, "method ReserveDomain not implemented")
 }
@@ -203,6 +219,24 @@ func _Cluster_ListMachines_Handler(srv interface{}, ctx context.Context, dec fun
 	return interceptor(ctx, in, info, handler)
 }
 
+func _Cluster_UpdateMachine_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(UpdateMachineRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(ClusterServer).UpdateMachine(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: Cluster_UpdateMachine_FullMethodName,
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(ClusterServer).UpdateMachine(ctx, req.(*UpdateMachineRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
 func _Cluster_ReserveDomain_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
 	in := new(ReserveDomainRequest)
 	if err := dec(in); err != nil {
@@ -290,6 +324,10 @@ var Cluster_ServiceDesc = grpc.ServiceDesc{
 			MethodName: "ListMachines",
 			Handler:    _Cluster_ListMachines_Handler,
 		},
+		{
+			MethodName: "UpdateMachine",
+			Handler:    _Cluster_UpdateMachine_Handler,
+		},
 		{
 			MethodName: "ReserveDomain",
 			Handler:    _Cluster_ReserveDomain_Handler,

internal/machine/cluster/cluster.go

@@ -198,6 +198,89 @@ func (c *Cluster) AddMachine(ctx context.Context, req *pb.AddMachineRequest) (*p
 	return resp, nil
 }
 
+// UpdateMachine updates machine configuration in the cluster.
+func (c *Cluster) UpdateMachine(ctx context.Context, req *pb.UpdateMachineRequest) (*pb.UpdateMachineResponse, error) {
+	if err := c.checkInitialised(ctx); err != nil {
+		return nil, err
+	}
+
+	if req.MachineId == "" {
+		return nil, status.Error(codes.InvalidArgument, "machine_id not set")
+	}
+
+	// Get the current machine info
+	currentMachine, err := c.store.GetMachine(ctx, req.MachineId)
+	if err != nil {
+		if errors.Is(err, store.ErrMachineNotFound) {
+			return nil, status.Errorf(codes.NotFound, "machine not found: %s", req.MachineId)
+		}
+		return nil, status.Errorf(codes.Internal, "failed to get machine: %v", err)
+	}
+
+	// Create a copy of the current machine for updating
+	updatedMachine := &pb.MachineInfo{
+		Id:       currentMachine.Id,
+		Name:     currentMachine.Name,
+		Network:  currentMachine.Network,
+		PublicIp: currentMachine.PublicIp,
+	}
+
+	// Apply updates from the request
+	if req.Name != nil {
+		// Check for empty name
+		if *req.Name == "" {
+			return nil, status.Error(codes.InvalidArgument, "machine name cannot be empty")
+		}
+		// Check for duplicate names (excluding the current machine)
+		if *req.Name != currentMachine.Name {
+			machines, err := c.store.ListMachines(ctx)
+			if err != nil {
+				return nil, status.Errorf(codes.Internal, "list machines: %v", err)
+			}
+			for _, m := range machines {
+				if m.Id != req.MachineId && m.Name == *req.Name {
+					return nil, status.Errorf(codes.AlreadyExists, "machine with name %q already exists", *req.Name)
+				}
+			}
+		}
+		updatedMachine.Name = *req.Name
+	}
+	if req.PublicIp != nil {
+		// Check if this is an empty IP (used to signal removal)
+		if len(req.PublicIp.Ip) == 0 {
+			// User wants to remove public IP
+			updatedMachine.PublicIp = nil
+		} else {
+			// Validate and set the new IP
+			ip, err := req.PublicIp.ToAddr()
+			if err != nil {
+				return nil, status.Errorf(codes.InvalidArgument, "invalid public IP: %v", err)
+			}
+			if !ip.IsValid() {
+				return nil, status.Error(codes.InvalidArgument, "invalid public IP")
+			}
+			updatedMachine.PublicIp = req.PublicIp
+		}
+	}
+	if req.Endpoints != nil {
+		updatedMachine.Network.Endpoints = req.Endpoints
+	}
+
+	// Update the machine in the store
+	if err = c.store.UpdateMachine(ctx, updatedMachine); err != nil {
+		if errors.Is(err, store.ErrMachineNotFound) {
+			return nil, status.Errorf(codes.NotFound, "machine not found: %s", req.MachineId)
+		}
+		return nil, status.Errorf(codes.Internal, "update machine: %v", err)
+	}
+
+	slog.Info("Machine configuration updated in the cluster.",
+		"id", updatedMachine.Id, "name", updatedMachine.Name)
+
+	resp := &pb.UpdateMachineResponse{Machine: updatedMachine}
+	return resp, nil
+}
+
 // ListMachines lists all machines in the cluster including their membership states.
 func (c *Cluster) ListMachines(ctx context.Context, _ *emptypb.Empty) (*pb.ListMachinesResponse, error) {
 	if err := c.checkInitialised(ctx); err != nil {

internal/machine/store/store.go

@@ -17,6 +17,7 @@ var (
 	Schema string
 
 	ErrKeyNotFound     = errors.New("key not found")
+	ErrMachineNotFound = errors.New("machine not found")
 )
 
 // Store is a cluster store backed by a distributed Corrosion database.
@@ -67,6 +68,79 @@ func (s *Store) CreateMachine(ctx context.Context, m *pb.MachineInfo) error {
 	return nil
 }
 
+func (s *Store) UpdateMachine(ctx context.Context, m *pb.MachineInfo) error {
+	if m == nil {
+		return fmt.Errorf("machine info cannot be nil")
+	}
+	if m.Id == "" {
+		return fmt.Errorf("machine ID cannot be empty")
+	}
+
+	mJSON, err := protojson.Marshal(m)
+	if err != nil {
+		return fmt.Errorf("marshal machine info: %w", err)
+	}
+
+	result, err := s.corro.ExecContext(ctx, "UPDATE machines SET info = ? WHERE id = ?", string(mJSON), m.Id)
+	if err != nil {
+		return fmt.Errorf("update machine: %w", err)
+	}
+
+	// Check if machine exists
+	if result.RowsAffected == 0 {
+		return fmt.Errorf("%w: %s", ErrMachineNotFound, m.Id)
+	}
+
+	return nil
+}
+
+func (s *Store) GetMachine(ctx context.Context, machineID string) (*pb.MachineInfo, error) {
+	if machineID == "" {
+		return nil, fmt.Errorf("machine ID cannot be empty")
+	}
+
+	rows, err := s.corro.QueryContext(ctx, "SELECT info FROM machines WHERE id = ?", machineID)
+	if err != nil {
+		return nil, fmt.Errorf("query machine: %w", err)
+	}
+	defer rows.Close()
+
+	if !rows.Next() {
+		if err := rows.Err(); err != nil {
+			return nil, fmt.Errorf("query error: %w", err)
+		}
+		return nil, fmt.Errorf("%w: %s", ErrMachineNotFound, machineID)
+	}
+
+	var mJSON string
+	if err = rows.Scan(&mJSON); err != nil {
+		return nil, fmt.Errorf("scan machine info: %w", err)
+	}
+
+	if mJSON == "" {
+		return nil, fmt.Errorf("machine info is empty for id %s", machineID)
+	}
+
+	protojsonParser := protojson.UnmarshalOptions{DiscardUnknown: true}
+	var m pb.MachineInfo
+	if err = protojsonParser.Unmarshal([]byte(mJSON), &m); err != nil {
+		return nil, fmt.Errorf("unmarshal machine info for id %s: %w", machineID, err)
+	}
+
+	// Validate the unmarshaled data. just in case
+	if m.Id != machineID {
+		return nil, fmt.Errorf("machine ID mismatch: expected %s, got %s", machineID, m.Id)
+	}
+
+	if m.Network != nil {
+		if err = m.Network.Validate(); err != nil {
+			return nil, fmt.Errorf("invalid network configuration for machine %s: %w", m.Id, err)
+		}
+	}
+
+	return &m, nil
+}
+
 func (s *Store) ListMachines(ctx context.Context) ([]*pb.MachineInfo, error) {
 	rows, err := s.corro.QueryContext(ctx, "SELECT info FROM machines ORDER BY name")
 	if err != nil {

pkg/client/machine.go

@@ -6,6 +6,8 @@ import (
 
 	"github.com/psviderski/uncloud/internal/machine/api/pb"
 	"github.com/psviderski/uncloud/pkg/api"
+	"google.golang.org/grpc/codes"
+	"google.golang.org/grpc/status"
 	"google.golang.org/protobuf/types/known/emptypb"
 )
 
@@ -46,6 +48,35 @@ func (cli *Client) ListMachines(ctx context.Context, filter *api.MachineFilter)
 	return machines, nil
 }
 
+// UpdateMachine updates machine configuration in the cluster.
+func (cli *Client) UpdateMachine(ctx context.Context, req *pb.UpdateMachineRequest) (*pb.MachineInfo, error) {
+	resp, err := cli.ClusterClient.UpdateMachine(ctx, req)
+	if err != nil {
+		if s, ok := status.FromError(err); ok && s.Code() == codes.NotFound {
+			return nil, api.ErrNotFound
+		}
+		return nil, err
+	}
+	return resp.Machine, nil
+}
+
+// RenameMachine renames an existing machine in the cluster.
+func (cli *Client) RenameMachine(ctx context.Context, nameOrID, newName string) (*pb.MachineInfo, error) {
+	// First, resolve the machine to get its ID
+	machine, err := cli.InspectMachine(ctx, nameOrID)
+	if err != nil {
+		return nil, err
+	}
+
+	// Update the machine with the new name
+	req := &pb.UpdateMachineRequest{
+		MachineId: machine.Machine.Id,
+		Name:      &newName,
+	}
+
+	return cli.UpdateMachine(ctx, req)
+}
+
 func MachineMatchesFilter(machine *pb.MachineMember, filter *api.MachineFilter) bool {
 	if filter == nil {
 		return true

test/e2e/machine_test.go

@@ -0,0 +1,450 @@
+package e2e
+
+import (
+	"context"
+	"errors"
+	"testing"
+
+	"github.com/psviderski/uncloud/internal/machine/api/pb"
+	"github.com/psviderski/uncloud/internal/ucind"
+	"github.com/psviderski/uncloud/pkg/api"
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+)
+
+func TestMachineRename(t *testing.T) {
+	name := "ucind-test.machine-rename"
+	ctx := context.Background()
+	c, _ := createTestCluster(t, name, ucind.CreateClusterOptions{Machines: 3}, true)
+
+	cli, err := c.Machines[0].Connect(ctx)
+	require.NoError(t, err)
+	defer cli.Close()
+
+	t.Run("rename machine by name", func(t *testing.T) {
+		// Get initial machine state
+		machines, err := cli.ListMachines(ctx, nil)
+		require.NoError(t, err)
+		require.Len(t, machines, 3)
+
+		// Select the second machine to rename
+		originalMachine := machines[1]
+		originalName := originalMachine.Machine.Name
+		// nolint:goconst
+		newName := "renamed-machine-1"
+
+		// Rename the machine
+		updatedMachine, err := cli.RenameMachine(ctx, originalName, newName)
+		require.NoError(t, err)
+		assert.Equal(t, newName, updatedMachine.Name)
+		assert.Equal(t, originalMachine.Machine.Id, updatedMachine.Id)
+
+		// Verify the machine list reflects the change
+		machines, err = cli.ListMachines(ctx, nil)
+		require.NoError(t, err)
+		require.Len(t, machines, 3)
+
+		// Find the renamed machine
+		var found bool
+		for _, m := range machines {
+			if m.Machine.Id == originalMachine.Machine.Id {
+				assert.Equal(t, newName, m.Machine.Name)
+				found = true
+			} else {
+				// Ensure other machines are unaffected
+				assert.NotEqual(t, newName, m.Machine.Name)
+			}
+		}
+		assert.True(t, found, "Renamed machine should be in the list")
+
+		// Verify we can inspect the machine by its new name
+		inspectedMachine, err := cli.InspectMachine(ctx, newName)
+		require.NoError(t, err)
+		assert.Equal(t, newName, inspectedMachine.Machine.Name)
+		assert.Equal(t, originalMachine.Machine.Id, inspectedMachine.Machine.Id)
+
+		// Verify the old name no longer works
+		_, err = cli.InspectMachine(ctx, originalName)
+		assert.ErrorIs(t, err, api.ErrNotFound)
+	})
+
+	t.Run("rename machine by ID", func(t *testing.T) {
+		// Get the third machine
+		machines, err := cli.ListMachines(ctx, nil)
+		require.NoError(t, err)
+		require.Len(t, machines, 3)
+
+		// Find a machine that hasn't been renamed yet
+		var targetMachine *pb.MachineMember
+		for _, m := range machines {
+			if m.Machine.Name != "renamed-machine-1" {
+				targetMachine = m
+				break
+			}
+		}
+		require.NotNil(t, targetMachine)
+
+		originalName := targetMachine.Machine.Name
+		machineID := targetMachine.Machine.Id
+		newName := "renamed-machine-2"
+
+		// Rename using ID instead of name
+		updatedMachine, err := cli.RenameMachine(ctx, machineID, newName)
+		require.NoError(t, err)
+		assert.Equal(t, newName, updatedMachine.Name)
+		assert.Equal(t, machineID, updatedMachine.Id)
+
+		// Verify the rename was successful
+		inspectedMachine, err := cli.InspectMachine(ctx, newName)
+		require.NoError(t, err)
+		assert.Equal(t, newName, inspectedMachine.Machine.Name)
+		assert.Equal(t, machineID, inspectedMachine.Machine.Id)
+
+		// Verify the old name no longer works
+		_, err = cli.InspectMachine(ctx, originalName)
+		assert.ErrorIs(t, err, api.ErrNotFound)
+	})
+
+	t.Run("rename non-existent machine", func(t *testing.T) {
+		// Try to rename a machine that doesn't exist
+		_, err := cli.RenameMachine(ctx, "non-existent-machine", "new-name")
+		assert.ErrorIs(t, err, api.ErrNotFound)
+
+		// Try with a non-existent ID
+		_, err = cli.RenameMachine(ctx, "non-existent-id-12345", "new-name")
+		assert.ErrorIs(t, err, api.ErrNotFound)
+	})
+
+	t.Run("rename to existing name", func(t *testing.T) {
+		// Get current machines
+		machines, err := cli.ListMachines(ctx, nil)
+		require.NoError(t, err)
+		require.Len(t, machines, 3)
+
+		// Try to rename machine 0 to the name of machine 1
+		machine0Name := machines[0].Machine.Name
+		machine1Name := machines[1].Machine.Name
+
+		// This should fail because the name is already taken
+		_, err = cli.RenameMachine(ctx, machine0Name, machine1Name)
+		assert.Error(t, err)
+	})
+
+	t.Run("rename with empty name", func(t *testing.T) {
+		// Get a machine to rename
+		machines, err := cli.ListMachines(ctx, nil)
+		require.NoError(t, err)
+		require.Len(t, machines, 3)
+
+		machineName := machines[0].Machine.Name
+
+		// Try to rename with empty string
+		_, err = cli.RenameMachine(ctx, machineName, "")
+		assert.Error(t, err)
+	})
+
+	t.Run("service continuity after rename", func(t *testing.T) {
+		// Deploy a service on a specific machine
+		machines, err := cli.ListMachines(ctx, nil)
+		require.NoError(t, err)
+
+		// Find a machine that hasn't been renamed to test with
+		var targetMachine *pb.MachineMember
+		for _, m := range machines {
+			if m.Machine.Name != "renamed-machine-1" && m.Machine.Name != "renamed-machine-2" {
+				targetMachine = m
+				break
+			}
+		}
+		require.NotNil(t, targetMachine)
+
+		originalMachineName := targetMachine.Machine.Name
+		serviceName := "test-service-rename-continuity"
+
+		// Create a service on the specific machine
+		spec := api.ServiceSpec{
+			Name: serviceName,
+			Mode: api.ServiceModeGlobal,
+			Container: api.ContainerSpec{
+				Image: "portainer/pause:latest",
+			},
+			Placement: api.Placement{
+				Machines: []string{originalMachineName},
+			},
+		}
+
+		_, err = cli.RunService(ctx, spec)
+		require.NoError(t, err)
+
+		t.Cleanup(func() {
+			err := cli.RemoveService(ctx, serviceName)
+			if err != nil && !errors.Is(err, api.ErrNotFound) {
+				assert.NoError(t, err)
+			}
+		})
+
+		// Verify service is running on the machine
+		svc, err := cli.InspectService(ctx, serviceName)
+		require.NoError(t, err)
+		assert.Len(t, svc.Containers, 1)
+		assert.Equal(t, targetMachine.Machine.Id, svc.Containers[0].MachineID)
+
+		// Rename the machine
+		newMachineName := "renamed-for-service-test"
+		_, err = cli.RenameMachine(ctx, originalMachineName, newMachineName)
+		require.NoError(t, err)
+
+		// Verify service is still running on the renamed machine
+		svc, err = cli.InspectService(ctx, serviceName)
+		require.NoError(t, err)
+		assert.Len(t, svc.Containers, 1)
+		assert.Equal(t, targetMachine.Machine.Id, svc.Containers[0].MachineID)
+
+		// The service spec's placement still references the old name,
+		// but the service should continue to run on the same machine id
+	})
+}
+
+func TestUpdateMachine(t *testing.T) {
+	name := "ucind-test.machine-update"
+	ctx := context.Background()
+	c, _ := createTestCluster(t, name, ucind.CreateClusterOptions{Machines: 3}, true)
+
+	cli, err := c.Machines[0].Connect(ctx)
+	require.NoError(t, err)
+	defer cli.Close()
+
+	t.Run("update machine name", func(t *testing.T) {
+		// Get initial machine state
+		machines, err := cli.ListMachines(ctx, nil)
+		require.NoError(t, err)
+		require.Len(t, machines, 3)
+
+		// Select a machine to update
+		targetMachine := machines[1]
+		originalName := targetMachine.Machine.Name
+		//TODO: From my point of view, the most correct option is to use exclusions.rules list for `_test\.go$` files
+		// nolint:goconst
+		newName := "updated-machine-name"
+
+		// Update the machine name using UpdateMachine directly
+		req := &pb.UpdateMachineRequest{
+			MachineId: targetMachine.Machine.Id,
+			Name:      &newName,
+		}
+		updatedMachine, err := cli.UpdateMachine(ctx, req)
+		require.NoError(t, err)
+		assert.Equal(t, newName, updatedMachine.Name)
+		assert.Equal(t, targetMachine.Machine.Id, updatedMachine.Id)
+
+		// Verify the change persisted
+		inspected, err := cli.InspectMachine(ctx, updatedMachine.Id)
+		require.NoError(t, err)
+		assert.Equal(t, newName, inspected.Machine.Name)
+
+		// Verify old name no longer works
+		_, err = cli.InspectMachine(ctx, originalName)
+		assert.ErrorIs(t, err, api.ErrNotFound)
+	})
+
+	t.Run("update machine public IP", func(t *testing.T) {
+		// Get a machine to update
+		machines, err := cli.ListMachines(ctx, nil)
+		require.NoError(t, err)
+
+		// Find a machine that hasn't been renamed
+		var targetMachine *pb.MachineMember
+		for _, m := range machines {
+			if m.Machine.Name != "updated-machine-name" {
+				targetMachine = m
+				break
+			}
+		}
+		require.NotNil(t, targetMachine)
+
+		// Create a new public IP (must be a valid public IP address)
+		newPublicIP := &pb.IP{
+			Ip: []byte{8, 8, 8, 8},
+		}
+
+		// Update the public IP
+		req := &pb.UpdateMachineRequest{
+			MachineId: targetMachine.Machine.Id,
+			PublicIp:  newPublicIP,
+		}
+		updatedMachine, err := cli.UpdateMachine(ctx, req)
+		require.NoError(t, err)
+		assert.Equal(t, newPublicIP.Ip, updatedMachine.PublicIp.Ip)
+
+		// Verify the change persisted
+		inspected, err := cli.InspectMachine(ctx, targetMachine.Machine.Id)
+		require.NoError(t, err)
+		assert.Equal(t, newPublicIP.Ip, inspected.Machine.PublicIp.Ip)
+	})
+
+	t.Run("remove machine public IP", func(t *testing.T) {
+		// Get machines
+		machines, err := cli.ListMachines(ctx, nil)
+		require.NoError(t, err)
+		require.True(t, len(machines) > 0, "Need at least one machine")
+
+		// First, set a public IP on a machine
+		targetMachine := machines[0]
+		setIPReq := &pb.UpdateMachineRequest{
+			MachineId: targetMachine.Machine.Id,
+			PublicIp:  &pb.IP{Ip: []byte{192, 0, 2, 1}}, // TEST-NET-1 address
+		}
+		updatedMachine, err := cli.UpdateMachine(ctx, setIPReq)
+		require.NoError(t, err)
+		require.NotNil(t, updatedMachine.PublicIp)
+
+		// Now test removing the public IP
+
+		// Remove the public IP by setting it to empty
+		emptyIP := &pb.IP{}
+		req := &pb.UpdateMachineRequest{
+			MachineId: updatedMachine.Id,
+			PublicIp:  emptyIP,
+		}
+		removedIPMachine, err := cli.UpdateMachine(ctx, req)
+		require.NoError(t, err)
+		assert.Nil(t, removedIPMachine.PublicIp)
+
+		// Verify the change persisted
+		inspected, err := cli.InspectMachine(ctx, updatedMachine.Id)
+		require.NoError(t, err)
+		assert.Nil(t, inspected.Machine.PublicIp)
+	})
+
+	t.Run("update machine endpoints", func(t *testing.T) {
+		// Get a machine to update
+		machines, err := cli.ListMachines(ctx, nil)
+		require.NoError(t, err)
+
+		var targetMachine *pb.MachineMember
+		for _, m := range machines {
+			targetMachine = m
+			break
+		}
+		require.NotNil(t, targetMachine)
+
+		newEndpoints := []*pb.IPPort{
+			{
+				Ip:   &pb.IP{Ip: []byte{10, 0, 0, 10}},
+				Port: 8080,
+			},
+			{
+				Ip:   &pb.IP{Ip: []byte{10, 0, 0, 10}},
+				Port: 8443,
+			},
+		}
+
+		req := &pb.UpdateMachineRequest{
+			MachineId: targetMachine.Machine.Id,
+			Endpoints: newEndpoints,
+		}
+		updatedMachine, err := cli.UpdateMachine(ctx, req)
+		require.NoError(t, err)
+		assert.Equal(t, len(newEndpoints), len(updatedMachine.Network.Endpoints))
+
+		// Verify endpoints were updated
+		for i, endpoint := range updatedMachine.Network.Endpoints {
+			assert.Equal(t, newEndpoints[i].Ip.Ip, endpoint.Ip.Ip)
+			assert.Equal(t, newEndpoints[i].Port, endpoint.Port)
+		}
+
+		// Verify other network fields remain unchanged
+		assert.Equal(t, targetMachine.Machine.Network.Subnet.Ip.Ip, updatedMachine.Network.Subnet.Ip.Ip)
+		assert.Equal(t, targetMachine.Machine.Network.Subnet.Bits, updatedMachine.Network.Subnet.Bits)
+		assert.Equal(t, targetMachine.Machine.Network.ManagementIp.Ip, updatedMachine.Network.ManagementIp.Ip)
+		assert.Equal(t, targetMachine.Machine.Network.PublicKey, updatedMachine.Network.PublicKey)
+	})
+
+	t.Run("update multiple fields simultaneously", func(t *testing.T) {
+		// Get a machine to update
+		machines, err := cli.ListMachines(ctx, nil)
+		require.NoError(t, err)
+
+		var targetMachine *pb.MachineMember
+		for _, m := range machines {
+			if m.Machine.Name != "updated-machine-name" {
+				targetMachine = m
+				break
+			}
+		}
+		require.NotNil(t, targetMachine)
+
+		// Update both name and public IP
+		newName := "multi-update-machine"
+		newPublicIP := &pb.IP{
+			Ip: []byte{1, 1, 1, 1},
+		}
+
+		req := &pb.UpdateMachineRequest{
+			MachineId: targetMachine.Machine.Id,
+			Name:      &newName,
+			PublicIp:  newPublicIP,
+		}
+		updatedMachine, err := cli.UpdateMachine(ctx, req)
+		require.NoError(t, err)
+		assert.Equal(t, newName, updatedMachine.Name)
+		assert.Equal(t, newPublicIP.Ip, updatedMachine.PublicIp.Ip)
+
+		// Verify both changes persisted
+		inspected, err := cli.InspectMachine(ctx, updatedMachine.Id)
+		require.NoError(t, err)
+		assert.Equal(t, newName, inspected.Machine.Name)
+		assert.Equal(t, newPublicIP.Ip, inspected.Machine.PublicIp.Ip)
+	})
+
+	t.Run("update non-existent machine", func(t *testing.T) {
+		// Try to update properties on a machine that doesn't exist
+		nonExistentName := "should-be-updated"
+		req := &pb.UpdateMachineRequest{
+			MachineId: "non-existent-machine-id",
+			Name:      &nonExistentName,
+		}
+		_, err := cli.UpdateMachine(ctx, req)
+		assert.Error(t, err)
+	})
+
+	t.Run("update to duplicate name", func(t *testing.T) {
+		// Get two machines
+		machines, err := cli.ListMachines(ctx, nil)
+		require.NoError(t, err)
+		require.Len(t, machines, 3)
+
+		machine1 := machines[0]
+		machine2 := machines[1]
+
+		// Try to update machine2 with machine1's name
+		req := &pb.UpdateMachineRequest{
+			MachineId: machine2.Machine.Id,
+			Name:      &machine1.Machine.Name,
+		}
+		_, err = cli.UpdateMachine(ctx, req)
+		assert.Error(t, err)
+	})
+
+	t.Run("update with empty request", func(t *testing.T) {
+		// Get a machine
+		machines, err := cli.ListMachines(ctx, nil)
+		require.NoError(t, err)
+
+		targetMachine := machines[0]
+
+		// Update with no fields set (should be a no-op)
+		req := &pb.UpdateMachineRequest{
+			MachineId: targetMachine.Machine.Id,
+		}
+		updatedMachine, err := cli.UpdateMachine(ctx, req)
+		require.NoError(t, err)
+
+		// Machine should remain unchanged
+		assert.Equal(t, targetMachine.Machine.Name, updatedMachine.Name)
+		if targetMachine.Machine.PublicIp != nil && updatedMachine.PublicIp != nil {
+			assert.Equal(t, targetMachine.Machine.PublicIp.Ip, updatedMachine.PublicIp.Ip)
+		}
+		assert.Equal(t, len(targetMachine.Machine.Network.Endpoints), len(updatedMachine.Network.Endpoints))
+	})
+}