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feat(dns-server): check system prerequisites when init/add machine: DNS port is not in use by another DNS server

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This commit is contained in:
Pavel Sviderski
2025-04-30 20:46:10 +10:00
parent 6e1165ec57
commit 769f5e47c3
6 changed files with 366 additions and 180 deletions
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internal/machine/api/pb/machine.pb.go
+249 -167
View File
@@ -21,6 +21,63 @@ const (
_ = protoimpl.EnforceVersion(protoimpl.MaxVersion - 20)
)
type CheckPrerequisitesResponse struct {
state protoimpl.MessageState
sizeCache protoimpl.SizeCache
unknownFields protoimpl.UnknownFields
// Overall status of the checks.
Satisfied bool `protobuf:"varint,1,opt,name=satisfied,proto3" json:"satisfied,omitempty"`
// Error message if not satisfied (empty if all checks pass).
Error string `protobuf:"bytes,2,opt,name=error,proto3" json:"error,omitempty"`
}
func (x *CheckPrerequisitesResponse) Reset() {
*x = CheckPrerequisitesResponse{}
if protoimpl.UnsafeEnabled {
mi := &file_internal_machine_api_pb_machine_proto_msgTypes[0]
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
ms.StoreMessageInfo(mi)
}
}
func (x *CheckPrerequisitesResponse) String() string {
return protoimpl.X.MessageStringOf(x)
}
func (*CheckPrerequisitesResponse) ProtoMessage() {}
func (x *CheckPrerequisitesResponse) ProtoReflect() protoreflect.Message {
mi := &file_internal_machine_api_pb_machine_proto_msgTypes[0]
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 CheckPrerequisitesResponse.ProtoReflect.Descriptor instead.
func (*CheckPrerequisitesResponse) Descriptor() ([]byte, []int) {
return file_internal_machine_api_pb_machine_proto_rawDescGZIP(), []int{0}
}
func (x *CheckPrerequisitesResponse) GetSatisfied() bool {
if x != nil {
return x.Satisfied
}
return false
}
func (x *CheckPrerequisitesResponse) GetError() string {
if x != nil {
return x.Error
}
return ""
}
type MachineInfo struct {
state protoimpl.MessageState
sizeCache protoimpl.SizeCache
@@ -35,7 +92,7 @@ type MachineInfo struct {
func (x *MachineInfo) Reset() {
*x = MachineInfo{}
if protoimpl.UnsafeEnabled {
mi := &file_internal_machine_api_pb_machine_proto_msgTypes[0]
mi := &file_internal_machine_api_pb_machine_proto_msgTypes[1]
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
ms.StoreMessageInfo(mi)
}
@@ -48,7 +105,7 @@ func (x *MachineInfo) String() string {
func (*MachineInfo) ProtoMessage() {}
func (x *MachineInfo) ProtoReflect() protoreflect.Message {
mi := &file_internal_machine_api_pb_machine_proto_msgTypes[0]
mi := &file_internal_machine_api_pb_machine_proto_msgTypes[1]
if protoimpl.UnsafeEnabled && x != nil {
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
if ms.LoadMessageInfo() == nil {
@@ -61,7 +118,7 @@ func (x *MachineInfo) ProtoReflect() protoreflect.Message {
// Deprecated: Use MachineInfo.ProtoReflect.Descriptor instead.
func (*MachineInfo) Descriptor() ([]byte, []int) {
return file_internal_machine_api_pb_machine_proto_rawDescGZIP(), []int{0}
return file_internal_machine_api_pb_machine_proto_rawDescGZIP(), []int{1}
}
func (x *MachineInfo) GetId() string {
@@ -106,7 +163,7 @@ type NetworkConfig struct {
func (x *NetworkConfig) Reset() {
*x = NetworkConfig{}
if protoimpl.UnsafeEnabled {
mi := &file_internal_machine_api_pb_machine_proto_msgTypes[1]
mi := &file_internal_machine_api_pb_machine_proto_msgTypes[2]
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
ms.StoreMessageInfo(mi)
}
@@ -119,7 +176,7 @@ func (x *NetworkConfig) String() string {
func (*NetworkConfig) ProtoMessage() {}
func (x *NetworkConfig) ProtoReflect() protoreflect.Message {
mi := &file_internal_machine_api_pb_machine_proto_msgTypes[1]
mi := &file_internal_machine_api_pb_machine_proto_msgTypes[2]
if protoimpl.UnsafeEnabled && x != nil {
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
if ms.LoadMessageInfo() == nil {
@@ -132,7 +189,7 @@ func (x *NetworkConfig) ProtoReflect() protoreflect.Message {
// Deprecated: Use NetworkConfig.ProtoReflect.Descriptor instead.
func (*NetworkConfig) Descriptor() ([]byte, []int) {
return file_internal_machine_api_pb_machine_proto_rawDescGZIP(), []int{1}
return file_internal_machine_api_pb_machine_proto_rawDescGZIP(), []int{2}
}
func (x *NetworkConfig) GetSubnet() *IPPrefix {
@@ -180,7 +237,7 @@ type InitClusterRequest struct {
func (x *InitClusterRequest) Reset() {
*x = InitClusterRequest{}
if protoimpl.UnsafeEnabled {
mi := &file_internal_machine_api_pb_machine_proto_msgTypes[2]
mi := &file_internal_machine_api_pb_machine_proto_msgTypes[3]
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
ms.StoreMessageInfo(mi)
}
@@ -193,7 +250,7 @@ func (x *InitClusterRequest) String() string {
func (*InitClusterRequest) ProtoMessage() {}
func (x *InitClusterRequest) ProtoReflect() protoreflect.Message {
mi := &file_internal_machine_api_pb_machine_proto_msgTypes[2]
mi := &file_internal_machine_api_pb_machine_proto_msgTypes[3]
if protoimpl.UnsafeEnabled && x != nil {
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
if ms.LoadMessageInfo() == nil {
@@ -206,7 +263,7 @@ func (x *InitClusterRequest) ProtoReflect() protoreflect.Message {
// Deprecated: Use InitClusterRequest.ProtoReflect.Descriptor instead.
func (*InitClusterRequest) Descriptor() ([]byte, []int) {
return file_internal_machine_api_pb_machine_proto_rawDescGZIP(), []int{2}
return file_internal_machine_api_pb_machine_proto_rawDescGZIP(), []int{3}
}
func (x *InitClusterRequest) GetMachineName() string {
@@ -271,7 +328,7 @@ type InitClusterResponse struct {
func (x *InitClusterResponse) Reset() {
*x = InitClusterResponse{}
if protoimpl.UnsafeEnabled {
mi := &file_internal_machine_api_pb_machine_proto_msgTypes[3]
mi := &file_internal_machine_api_pb_machine_proto_msgTypes[4]
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
ms.StoreMessageInfo(mi)
}
@@ -284,7 +341,7 @@ func (x *InitClusterResponse) String() string {
func (*InitClusterResponse) ProtoMessage() {}
func (x *InitClusterResponse) ProtoReflect() protoreflect.Message {
mi := &file_internal_machine_api_pb_machine_proto_msgTypes[3]
mi := &file_internal_machine_api_pb_machine_proto_msgTypes[4]
if protoimpl.UnsafeEnabled && x != nil {
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
if ms.LoadMessageInfo() == nil {
@@ -297,7 +354,7 @@ func (x *InitClusterResponse) ProtoReflect() protoreflect.Message {
// Deprecated: Use InitClusterResponse.ProtoReflect.Descriptor instead.
func (*InitClusterResponse) Descriptor() ([]byte, []int) {
return file_internal_machine_api_pb_machine_proto_rawDescGZIP(), []int{3}
return file_internal_machine_api_pb_machine_proto_rawDescGZIP(), []int{4}
}
func (x *InitClusterResponse) GetMachine() *MachineInfo {
@@ -319,7 +376,7 @@ type JoinClusterRequest struct {
func (x *JoinClusterRequest) Reset() {
*x = JoinClusterRequest{}
if protoimpl.UnsafeEnabled {
mi := &file_internal_machine_api_pb_machine_proto_msgTypes[4]
mi := &file_internal_machine_api_pb_machine_proto_msgTypes[5]
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
ms.StoreMessageInfo(mi)
}
@@ -332,7 +389,7 @@ func (x *JoinClusterRequest) String() string {
func (*JoinClusterRequest) ProtoMessage() {}
func (x *JoinClusterRequest) ProtoReflect() protoreflect.Message {
mi := &file_internal_machine_api_pb_machine_proto_msgTypes[4]
mi := &file_internal_machine_api_pb_machine_proto_msgTypes[5]
if protoimpl.UnsafeEnabled && x != nil {
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
if ms.LoadMessageInfo() == nil {
@@ -345,7 +402,7 @@ func (x *JoinClusterRequest) ProtoReflect() protoreflect.Message {
// Deprecated: Use JoinClusterRequest.ProtoReflect.Descriptor instead.
func (*JoinClusterRequest) Descriptor() ([]byte, []int) {
return file_internal_machine_api_pb_machine_proto_rawDescGZIP(), []int{4}
return file_internal_machine_api_pb_machine_proto_rawDescGZIP(), []int{5}
}
func (x *JoinClusterRequest) GetMachine() *MachineInfo {
@@ -373,7 +430,7 @@ type TokenResponse struct {
func (x *TokenResponse) Reset() {
*x = TokenResponse{}
if protoimpl.UnsafeEnabled {
mi := &file_internal_machine_api_pb_machine_proto_msgTypes[5]
mi := &file_internal_machine_api_pb_machine_proto_msgTypes[6]
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
ms.StoreMessageInfo(mi)
}
@@ -386,7 +443,7 @@ func (x *TokenResponse) String() string {
func (*TokenResponse) ProtoMessage() {}
func (x *TokenResponse) ProtoReflect() protoreflect.Message {
mi := &file_internal_machine_api_pb_machine_proto_msgTypes[5]
mi := &file_internal_machine_api_pb_machine_proto_msgTypes[6]
if protoimpl.UnsafeEnabled && x != nil {
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
if ms.LoadMessageInfo() == nil {
@@ -399,7 +456,7 @@ func (x *TokenResponse) ProtoReflect() protoreflect.Message {
// Deprecated: Use TokenResponse.ProtoReflect.Descriptor instead.
func (*TokenResponse) Descriptor() ([]byte, []int) {
return file_internal_machine_api_pb_machine_proto_rawDescGZIP(), []int{5}
return file_internal_machine_api_pb_machine_proto_rawDescGZIP(), []int{6}
}
func (x *TokenResponse) GetToken() string {
@@ -423,7 +480,7 @@ type Service struct {
func (x *Service) Reset() {
*x = Service{}
if protoimpl.UnsafeEnabled {
mi := &file_internal_machine_api_pb_machine_proto_msgTypes[6]
mi := &file_internal_machine_api_pb_machine_proto_msgTypes[7]
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
ms.StoreMessageInfo(mi)
}
@@ -436,7 +493,7 @@ func (x *Service) String() string {
func (*Service) ProtoMessage() {}
func (x *Service) ProtoReflect() protoreflect.Message {
mi := &file_internal_machine_api_pb_machine_proto_msgTypes[6]
mi := &file_internal_machine_api_pb_machine_proto_msgTypes[7]
if protoimpl.UnsafeEnabled && x != nil {
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
if ms.LoadMessageInfo() == nil {
@@ -449,7 +506,7 @@ func (x *Service) ProtoReflect() protoreflect.Message {
// Deprecated: Use Service.ProtoReflect.Descriptor instead.
func (*Service) Descriptor() ([]byte, []int) {
return file_internal_machine_api_pb_machine_proto_rawDescGZIP(), []int{6}
return file_internal_machine_api_pb_machine_proto_rawDescGZIP(), []int{7}
}
func (x *Service) GetId() string {
@@ -491,7 +548,7 @@ type InspectServiceRequest struct {
func (x *InspectServiceRequest) Reset() {
*x = InspectServiceRequest{}
if protoimpl.UnsafeEnabled {
mi := &file_internal_machine_api_pb_machine_proto_msgTypes[7]
mi := &file_internal_machine_api_pb_machine_proto_msgTypes[8]
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
ms.StoreMessageInfo(mi)
}
@@ -504,7 +561,7 @@ func (x *InspectServiceRequest) String() string {
func (*InspectServiceRequest) ProtoMessage() {}
func (x *InspectServiceRequest) ProtoReflect() protoreflect.Message {
mi := &file_internal_machine_api_pb_machine_proto_msgTypes[7]
mi := &file_internal_machine_api_pb_machine_proto_msgTypes[8]
if protoimpl.UnsafeEnabled && x != nil {
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
if ms.LoadMessageInfo() == nil {
@@ -517,7 +574,7 @@ func (x *InspectServiceRequest) ProtoReflect() protoreflect.Message {
// Deprecated: Use InspectServiceRequest.ProtoReflect.Descriptor instead.
func (*InspectServiceRequest) Descriptor() ([]byte, []int) {
return file_internal_machine_api_pb_machine_proto_rawDescGZIP(), []int{7}
return file_internal_machine_api_pb_machine_proto_rawDescGZIP(), []int{8}
}
func (x *InspectServiceRequest) GetId() string {
@@ -538,7 +595,7 @@ type InspectServiceResponse struct {
func (x *InspectServiceResponse) Reset() {
*x = InspectServiceResponse{}
if protoimpl.UnsafeEnabled {
mi := &file_internal_machine_api_pb_machine_proto_msgTypes[8]
mi := &file_internal_machine_api_pb_machine_proto_msgTypes[9]
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
ms.StoreMessageInfo(mi)
}
@@ -551,7 +608,7 @@ func (x *InspectServiceResponse) String() string {
func (*InspectServiceResponse) ProtoMessage() {}
func (x *InspectServiceResponse) ProtoReflect() protoreflect.Message {
mi := &file_internal_machine_api_pb_machine_proto_msgTypes[8]
mi := &file_internal_machine_api_pb_machine_proto_msgTypes[9]
if protoimpl.UnsafeEnabled && x != nil {
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
if ms.LoadMessageInfo() == nil {
@@ -564,7 +621,7 @@ func (x *InspectServiceResponse) ProtoReflect() protoreflect.Message {
// Deprecated: Use InspectServiceResponse.ProtoReflect.Descriptor instead.
func (*InspectServiceResponse) Descriptor() ([]byte, []int) {
return file_internal_machine_api_pb_machine_proto_rawDescGZIP(), []int{8}
return file_internal_machine_api_pb_machine_proto_rawDescGZIP(), []int{9}
}
func (x *InspectServiceResponse) GetService() *Service {
@@ -587,7 +644,7 @@ type Service_Container struct {
func (x *Service_Container) Reset() {
*x = Service_Container{}
if protoimpl.UnsafeEnabled {
mi := &file_internal_machine_api_pb_machine_proto_msgTypes[9]
mi := &file_internal_machine_api_pb_machine_proto_msgTypes[10]
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
ms.StoreMessageInfo(mi)
}
@@ -600,7 +657,7 @@ func (x *Service_Container) String() string {
func (*Service_Container) ProtoMessage() {}
func (x *Service_Container) ProtoReflect() protoreflect.Message {
mi := &file_internal_machine_api_pb_machine_proto_msgTypes[9]
mi := &file_internal_machine_api_pb_machine_proto_msgTypes[10]
if protoimpl.UnsafeEnabled && x != nil {
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
if ms.LoadMessageInfo() == nil {
@@ -613,7 +670,7 @@ func (x *Service_Container) ProtoReflect() protoreflect.Message {
// Deprecated: Use Service_Container.ProtoReflect.Descriptor instead.
func (*Service_Container) Descriptor() ([]byte, []int) {
return file_internal_machine_api_pb_machine_proto_rawDescGZIP(), []int{6, 0}
return file_internal_machine_api_pb_machine_proto_rawDescGZIP(), []int{7, 0}
}
func (x *Service_Container) GetMachineId() string {
@@ -640,96 +697,106 @@ var file_internal_machine_api_pb_machine_proto_rawDesc = []byte{
0x70, 0x74, 0x79, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x1a, 0x24, 0x69, 0x6e, 0x74, 0x65, 0x72,
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}
var (
@@ -744,48 +811,51 @@ func file_internal_machine_api_pb_machine_proto_rawDescGZIP() []byte {
return file_internal_machine_api_pb_machine_proto_rawDescData
}
var file_internal_machine_api_pb_machine_proto_msgTypes = make([]protoimpl.MessageInfo, 10)
var file_internal_machine_api_pb_machine_proto_msgTypes = make([]protoimpl.MessageInfo, 11)
var file_internal_machine_api_pb_machine_proto_goTypes = []any{
(*MachineInfo)(nil), // 0: api.MachineInfo
(*NetworkConfig)(nil), // 1: api.NetworkConfig
(*InitClusterRequest)(nil), // 2: api.InitClusterRequest
(*InitClusterResponse)(nil), // 3: api.InitClusterResponse
(*JoinClusterRequest)(nil), // 4: api.JoinClusterRequest
(*TokenResponse)(nil), // 5: api.TokenResponse
(*Service)(nil), // 6: api.Service
(*InspectServiceRequest)(nil), // 7: api.InspectServiceRequest
(*InspectServiceResponse)(nil), // 8: api.InspectServiceResponse
(*Service_Container)(nil), // 9: api.Service.Container
(*IP)(nil), // 10: api.IP
(*IPPrefix)(nil), // 11: api.IPPrefix
(*IPPort)(nil), // 12: api.IPPort
(*emptypb.Empty)(nil), // 13: google.protobuf.Empty
(*CheckPrerequisitesResponse)(nil), // 0: api.CheckPrerequisitesResponse
(*MachineInfo)(nil), // 1: api.MachineInfo
(*NetworkConfig)(nil), // 2: api.NetworkConfig
(*InitClusterRequest)(nil), // 3: api.InitClusterRequest
(*InitClusterResponse)(nil), // 4: api.InitClusterResponse
(*JoinClusterRequest)(nil), // 5: api.JoinClusterRequest
(*TokenResponse)(nil), // 6: api.TokenResponse
(*Service)(nil), // 7: api.Service
(*InspectServiceRequest)(nil), // 8: api.InspectServiceRequest
(*InspectServiceResponse)(nil), // 9: api.InspectServiceResponse
(*Service_Container)(nil), // 10: api.Service.Container
(*IP)(nil), // 11: api.IP
(*IPPrefix)(nil), // 12: api.IPPrefix
(*IPPort)(nil), // 13: api.IPPort
(*emptypb.Empty)(nil), // 14: google.protobuf.Empty
}
var file_internal_machine_api_pb_machine_proto_depIdxs = []int32{
1, // 0: api.MachineInfo.network:type_name -> api.NetworkConfig
10, // 1: api.MachineInfo.public_ip:type_name -> api.IP
11, // 2: api.NetworkConfig.subnet:type_name -> api.IPPrefix
10, // 3: api.NetworkConfig.management_ip:type_name -> api.IP
12, // 4: api.NetworkConfig.endpoints:type_name -> api.IPPort
11, // 5: api.InitClusterRequest.network:type_name -> api.IPPrefix
10, // 6: api.InitClusterRequest.public_ip:type_name -> api.IP
0, // 7: api.InitClusterResponse.machine:type_name -> api.MachineInfo
0, // 8: api.JoinClusterRequest.machine:type_name -> api.MachineInfo
0, // 9: api.JoinClusterRequest.other_machines:type_name -> api.MachineInfo
9, // 10: api.Service.containers:type_name -> api.Service.Container
6, // 11: api.InspectServiceResponse.service:type_name -> api.Service
2, // 12: api.Machine.InitCluster:input_type -> api.InitClusterRequest
4, // 13: api.Machine.JoinCluster:input_type -> api.JoinClusterRequest
13, // 14: api.Machine.Token:input_type -> google.protobuf.Empty
13, // 15: api.Machine.Inspect:input_type -> google.protobuf.Empty
7, // 16: api.Machine.InspectService:input_type -> api.InspectServiceRequest
3, // 17: api.Machine.InitCluster:output_type -> api.InitClusterResponse
13, // 18: api.Machine.JoinCluster:output_type -> google.protobuf.Empty
5, // 19: api.Machine.Token:output_type -> api.TokenResponse
0, // 20: api.Machine.Inspect:output_type -> api.MachineInfo
8, // 21: api.Machine.InspectService:output_type -> api.InspectServiceResponse
17, // [17:22] is the sub-list for method output_type
12, // [12:17] is the sub-list for method input_type
2, // 0: api.MachineInfo.network:type_name -> api.NetworkConfig
11, // 1: api.MachineInfo.public_ip:type_name -> api.IP
12, // 2: api.NetworkConfig.subnet:type_name -> api.IPPrefix
11, // 3: api.NetworkConfig.management_ip:type_name -> api.IP
13, // 4: api.NetworkConfig.endpoints:type_name -> api.IPPort
12, // 5: api.InitClusterRequest.network:type_name -> api.IPPrefix
11, // 6: api.InitClusterRequest.public_ip:type_name -> api.IP
1, // 7: api.InitClusterResponse.machine:type_name -> api.MachineInfo
1, // 8: api.JoinClusterRequest.machine:type_name -> api.MachineInfo
1, // 9: api.JoinClusterRequest.other_machines:type_name -> api.MachineInfo
10, // 10: api.Service.containers:type_name -> api.Service.Container
7, // 11: api.InspectServiceResponse.service:type_name -> api.Service
14, // 12: api.Machine.CheckPrerequisites:input_type -> google.protobuf.Empty
3, // 13: api.Machine.InitCluster:input_type -> api.InitClusterRequest
5, // 14: api.Machine.JoinCluster:input_type -> api.JoinClusterRequest
14, // 15: api.Machine.Token:input_type -> google.protobuf.Empty
14, // 16: api.Machine.Inspect:input_type -> google.protobuf.Empty
8, // 17: api.Machine.InspectService:input_type -> api.InspectServiceRequest
0, // 18: api.Machine.CheckPrerequisites:output_type -> api.CheckPrerequisitesResponse
4, // 19: api.Machine.InitCluster:output_type -> api.InitClusterResponse
14, // 20: api.Machine.JoinCluster:output_type -> google.protobuf.Empty
6, // 21: api.Machine.Token:output_type -> api.TokenResponse
1, // 22: api.Machine.Inspect:output_type -> api.MachineInfo
9, // 23: api.Machine.InspectService:output_type -> api.InspectServiceResponse
18, // [18:24] is the sub-list for method output_type
12, // [12:18] 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
@@ -799,7 +869,7 @@ func file_internal_machine_api_pb_machine_proto_init() {
file_internal_machine_api_pb_common_proto_init()
if !protoimpl.UnsafeEnabled {
file_internal_machine_api_pb_machine_proto_msgTypes[0].Exporter = func(v any, i int) any {
switch v := v.(*MachineInfo); i {
switch v := v.(*CheckPrerequisitesResponse); i {
case 0:
return &v.state
case 1:
@@ -811,7 +881,7 @@ func file_internal_machine_api_pb_machine_proto_init() {
}
}
file_internal_machine_api_pb_machine_proto_msgTypes[1].Exporter = func(v any, i int) any {
switch v := v.(*NetworkConfig); i {
switch v := v.(*MachineInfo); i {
case 0:
return &v.state
case 1:
@@ -823,7 +893,7 @@ func file_internal_machine_api_pb_machine_proto_init() {
}
}
file_internal_machine_api_pb_machine_proto_msgTypes[2].Exporter = func(v any, i int) any {
switch v := v.(*InitClusterRequest); i {
switch v := v.(*NetworkConfig); i {
case 0:
return &v.state
case 1:
@@ -835,7 +905,7 @@ func file_internal_machine_api_pb_machine_proto_init() {
}
}
file_internal_machine_api_pb_machine_proto_msgTypes[3].Exporter = func(v any, i int) any {
switch v := v.(*InitClusterResponse); i {
switch v := v.(*InitClusterRequest); i {
case 0:
return &v.state
case 1:
@@ -847,7 +917,7 @@ func file_internal_machine_api_pb_machine_proto_init() {
}
}
file_internal_machine_api_pb_machine_proto_msgTypes[4].Exporter = func(v any, i int) any {
switch v := v.(*JoinClusterRequest); i {
switch v := v.(*InitClusterResponse); i {
case 0:
return &v.state
case 1:
@@ -859,7 +929,7 @@ func file_internal_machine_api_pb_machine_proto_init() {
}
}
file_internal_machine_api_pb_machine_proto_msgTypes[5].Exporter = func(v any, i int) any {
switch v := v.(*TokenResponse); i {
switch v := v.(*JoinClusterRequest); i {
case 0:
return &v.state
case 1:
@@ -871,7 +941,7 @@ func file_internal_machine_api_pb_machine_proto_init() {
}
}
file_internal_machine_api_pb_machine_proto_msgTypes[6].Exporter = func(v any, i int) any {
switch v := v.(*Service); i {
switch v := v.(*TokenResponse); i {
case 0:
return &v.state
case 1:
@@ -883,7 +953,7 @@ func file_internal_machine_api_pb_machine_proto_init() {
}
}
file_internal_machine_api_pb_machine_proto_msgTypes[7].Exporter = func(v any, i int) any {
switch v := v.(*InspectServiceRequest); i {
switch v := v.(*Service); i {
case 0:
return &v.state
case 1:
@@ -895,7 +965,7 @@ func file_internal_machine_api_pb_machine_proto_init() {
}
}
file_internal_machine_api_pb_machine_proto_msgTypes[8].Exporter = func(v any, i int) any {
switch v := v.(*InspectServiceResponse); i {
switch v := v.(*InspectServiceRequest); i {
case 0:
return &v.state
case 1:
@@ -907,6 +977,18 @@ func file_internal_machine_api_pb_machine_proto_init() {
}
}
file_internal_machine_api_pb_machine_proto_msgTypes[9].Exporter = func(v any, i int) any {
switch v := v.(*InspectServiceResponse); i {
case 0:
return &v.state
case 1:
return &v.sizeCache
case 2:
return &v.unknownFields
default:
return nil
}
}
file_internal_machine_api_pb_machine_proto_msgTypes[10].Exporter = func(v any, i int) any {
switch v := v.(*Service_Container); i {
case 0:
return &v.state
@@ -919,7 +1001,7 @@ func file_internal_machine_api_pb_machine_proto_init() {
}
}
}
file_internal_machine_api_pb_machine_proto_msgTypes[2].OneofWrappers = []any{
file_internal_machine_api_pb_machine_proto_msgTypes[3].OneofWrappers = []any{
(*InitClusterRequest_PublicIp)(nil),
(*InitClusterRequest_PublicIpAuto)(nil),
}
@@ -929,7 +1011,7 @@ func file_internal_machine_api_pb_machine_proto_init() {
GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
RawDescriptor: file_internal_machine_api_pb_machine_proto_rawDesc,
NumEnums: 0,
NumMessages: 10,
NumMessages: 11,
NumExtensions: 0,
NumServices: 1,
},
internal/machine/api/pb/machine.proto
+9
View File
@@ -8,6 +8,8 @@ import "google/protobuf/empty.proto";
import "internal/machine/api/pb/common.proto";
service Machine {
// CheckPrerequisites verifies if the machine meets all necessary system requirements to participate in the cluster.
rpc CheckPrerequisites(google.protobuf.Empty) returns (CheckPrerequisitesResponse);
rpc InitCluster(InitClusterRequest) returns (InitClusterResponse);
rpc JoinCluster(JoinClusterRequest) returns (google.protobuf.Empty);
rpc Token(google.protobuf.Empty) returns (TokenResponse);
@@ -29,6 +31,13 @@ message NetworkConfig {
bytes public_key = 4;
}
message CheckPrerequisitesResponse {
// Overall status of the checks.
bool satisfied = 1;
// Error message if not satisfied (empty if all checks pass).
string error = 2;
}
message InitClusterRequest {
string machineName = 1;
IPPrefix network = 2;
internal/machine/api/pb/machine_grpc.pb.go
+43 -5
View File
@@ -20,17 +20,19 @@ import (
const _ = grpc.SupportPackageIsVersion9
const (
Machine_InitCluster_FullMethodName = "/api.Machine/InitCluster"
Machine_JoinCluster_FullMethodName = "/api.Machine/JoinCluster"
Machine_Token_FullMethodName = "/api.Machine/Token"
Machine_Inspect_FullMethodName = "/api.Machine/Inspect"
Machine_InspectService_FullMethodName = "/api.Machine/InspectService"
Machine_CheckPrerequisites_FullMethodName = "/api.Machine/CheckPrerequisites"
Machine_InitCluster_FullMethodName = "/api.Machine/InitCluster"
Machine_JoinCluster_FullMethodName = "/api.Machine/JoinCluster"
Machine_Token_FullMethodName = "/api.Machine/Token"
Machine_Inspect_FullMethodName = "/api.Machine/Inspect"
Machine_InspectService_FullMethodName = "/api.Machine/InspectService"
)
// MachineClient is the client API for Machine service.
//
// For semantics around ctx use and closing/ending streaming RPCs, please refer to https://pkg.go.dev/google.golang.org/grpc/?tab=doc#ClientConn.NewStream.
type MachineClient interface {
CheckPrerequisites(ctx context.Context, in *emptypb.Empty, opts ...grpc.CallOption) (*CheckPrerequisitesResponse, error)
InitCluster(ctx context.Context, in *InitClusterRequest, opts ...grpc.CallOption) (*InitClusterResponse, error)
JoinCluster(ctx context.Context, in *JoinClusterRequest, opts ...grpc.CallOption) (*emptypb.Empty, error)
Token(ctx context.Context, in *emptypb.Empty, opts ...grpc.CallOption) (*TokenResponse, error)
@@ -46,6 +48,16 @@ func NewMachineClient(cc grpc.ClientConnInterface) MachineClient {
return &machineClient{cc}
}
func (c *machineClient) CheckPrerequisites(ctx context.Context, in *emptypb.Empty, opts ...grpc.CallOption) (*CheckPrerequisitesResponse, error) {
cOpts := append([]grpc.CallOption{grpc.StaticMethod()}, opts...)
out := new(CheckPrerequisitesResponse)
err := c.cc.Invoke(ctx, Machine_CheckPrerequisites_FullMethodName, in, out, cOpts...)
if err != nil {
return nil, err
}
return out, nil
}
func (c *machineClient) InitCluster(ctx context.Context, in *InitClusterRequest, opts ...grpc.CallOption) (*InitClusterResponse, error) {
cOpts := append([]grpc.CallOption{grpc.StaticMethod()}, opts...)
out := new(InitClusterResponse)
@@ -100,6 +112,7 @@ func (c *machineClient) InspectService(ctx context.Context, in *InspectServiceRe
// All implementations must embed UnimplementedMachineServer
// for forward compatibility.
type MachineServer interface {
CheckPrerequisites(context.Context, *emptypb.Empty) (*CheckPrerequisitesResponse, error)
InitCluster(context.Context, *InitClusterRequest) (*InitClusterResponse, error)
JoinCluster(context.Context, *JoinClusterRequest) (*emptypb.Empty, error)
Token(context.Context, *emptypb.Empty) (*TokenResponse, error)
@@ -115,6 +128,9 @@ type MachineServer interface {
// pointer dereference when methods are called.
type UnimplementedMachineServer struct{}
func (UnimplementedMachineServer) CheckPrerequisites(context.Context, *emptypb.Empty) (*CheckPrerequisitesResponse, error) {
return nil, status.Errorf(codes.Unimplemented, "method CheckPrerequisites not implemented")
}
func (UnimplementedMachineServer) InitCluster(context.Context, *InitClusterRequest) (*InitClusterResponse, error) {
return nil, status.Errorf(codes.Unimplemented, "method InitCluster not implemented")
}
@@ -151,6 +167,24 @@ func RegisterMachineServer(s grpc.ServiceRegistrar, srv MachineServer) {
s.RegisterService(&Machine_ServiceDesc, srv)
}
func _Machine_CheckPrerequisites_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
in := new(emptypb.Empty)
if err := dec(in); err != nil {
return nil, err
}
if interceptor == nil {
return srv.(MachineServer).CheckPrerequisites(ctx, in)
}
info := &grpc.UnaryServerInfo{
Server: srv,
FullMethod: Machine_CheckPrerequisites_FullMethodName,
}
handler := func(ctx context.Context, req interface{}) (interface{}, error) {
return srv.(MachineServer).CheckPrerequisites(ctx, req.(*emptypb.Empty))
}
return interceptor(ctx, in, info, handler)
}
func _Machine_InitCluster_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
in := new(InitClusterRequest)
if err := dec(in); err != nil {
@@ -248,6 +282,10 @@ var Machine_ServiceDesc = grpc.ServiceDesc{
ServiceName: "api.Machine",
HandlerType: (*MachineServer)(nil),
Methods: []grpc.MethodDesc{
{
MethodName: "CheckPrerequisites",
Handler: _Machine_CheckPrerequisites_Handler,
},
{
MethodName: "InitCluster",
Handler: _Machine_InitCluster_Handler,
internal/machine/dns/server.go
+6 -6
View File
@@ -20,8 +20,8 @@ const (
// InternalDomain is the cluster internal domain for service discovery. All DNS queries ending with this suffix
// will be resolved using the internal DNS server.
InternalDomain = "internal."
// dnsPort is the standard DNS port.
dnsPort = 53
// Port is the standard DNS port.
Port = 53
// maxConcurrentForwards is the maximum number of concurrent forwarded queries to upstream DNS servers.
// 1024 is the default used by the Docker internal DNS server.
maxConcurrentForwards = 1024
@@ -72,15 +72,15 @@ func NewServer(listenAddr netip.Addr, resolver Resolver, upstreams []netip.AddrP
// to not create a forwarding loop.
continue
}
upstreams = append(upstreams, netip.AddrPortFrom(ns, dnsPort))
upstreams = append(upstreams, netip.AddrPortFrom(ns, Port))
}
}
// Fallback to common public DNS servers if no nameservers were found in /etc/resolv.conf.
if upstreams == nil {
upstreams = []netip.AddrPort{
netip.AddrPortFrom(netip.MustParseAddr("1.1.1.1"), dnsPort), // Cloudflare DNS
netip.AddrPortFrom(netip.MustParseAddr("8.8.8.8"), dnsPort), // Google DNS
netip.AddrPortFrom(netip.MustParseAddr("1.1.1.1"), Port), // Cloudflare DNS
netip.AddrPortFrom(netip.MustParseAddr("8.8.8.8"), Port), // Google DNS
}
}
}
@@ -97,7 +97,7 @@ func NewServer(listenAddr netip.Addr, resolver Resolver, upstreams []netip.AddrP
// Run starts the DNS server listening on both UDP and TCP ports. The server on TCP is not critical so it won't return
// an error if it fails to start. The server will run until the context is canceled or an error occurs.
func (s *Server) Run(ctx context.Context) error {
addr := net.JoinHostPort(s.listenAddr.String(), strconv.Itoa(dnsPort))
addr := net.JoinHostPort(s.listenAddr.String(), strconv.Itoa(Port))
s.udpServer = &dns.Server{
Addr: addr,
Net: "udp",
internal/machine/machine.go
+34
View File
@@ -359,6 +359,8 @@ func (m *Machine) Run(ctx context.Context) error {
var err error
m.cluster.UpdateMachineID(m.state.ID)
// TODO: set DNS server to m.IP() on the docker server so it knows which addr to pass as --dns
// for service containers.
// Ensure the corrosion config is up to date, including a new gossip address if the machine
// has just joined a cluster.
@@ -540,6 +542,38 @@ func (m *Machine) configureCorrosion() error {
return nil
}
// CheckPrerequisites verifies if the machine meets all necessary system requirements to participate in the cluster.
func (m *Machine) CheckPrerequisites(ctx context.Context, _ *emptypb.Empty) (*pb.CheckPrerequisitesResponse, error) {
// Check DNS port (UDP) availability.
if err := checkDNSPortAvailable(); err != nil {
return &pb.CheckPrerequisitesResponse{
Satisfied: false,
Error: err.Error(),
}, nil
}
return &pb.CheckPrerequisitesResponse{
Satisfied: true,
}, nil
}
// checkDNSPortAvailable verifies that DNS port 53/udp is available for Uncloud's embedded DNS service.
func checkDNSPortAvailable() error {
addr := &net.UDPAddr{
IP: net.IPv4(127, 0, 0, 210), // Use a unique loopback address to avoid conflicts.
Port: dns.Port,
}
conn, err := net.ListenUDP("udp", addr)
if err != nil {
return fmt.Errorf("DNS port %d/udp is already in use by another service: %w. Uncloud needs this port "+
"to run the embedded internal DNS service on WireGuard interface 'uncloud'. Please reconfigure "+
"any DNS servers (like dnsmasq, systemd-resolved, or named) that might be listening on all network "+
"interfaces (0.0.0.0) on the machine and try again", dns.Port, err)
}
conn.Close()
return nil
}
// InitCluster initialises a new cluster on the local machine with the provided network configuration.
func (m *Machine) InitCluster(ctx context.Context, req *pb.InitClusterRequest) (*pb.InitClusterResponse, error) {
if m.Initialised() {