Merge pull request #51 from nspcc-dev/add-method-to-state-service-to-dump-debug-variables

Add method to state service to dump debug variables
This commit is contained in:
Evgeniy Kulikov 2020-02-10 15:25:09 +03:00 committed by GitHub
commit 49926d59ac
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
6 changed files with 600 additions and 32 deletions

View file

@ -14,7 +14,6 @@ deps:
@go mod vendor
@echo "${B}${G}=> Cleanup old files ${R}"
@find . -type f -name '*.pb.go' -not -path './vendor/*' -exec rm {} \;
@find . -type f -name '*.proto' -not -path './vendor/*' -not -name '*_test.proto' -exec rm {} \;
@echo "${B}${G}=> NeoFS Proto files ${R}"
@ -49,6 +48,9 @@ docgen: deps
# Regenerate proto files:
protoc: deps
@echo "${B}${G}=> Cleanup old files ${R}"
@find . -type f -name '*.pb.go' -not -path './vendor/*' -exec rm {} \;
@echo "${B}${G}=> Install specific version for gogo-proto ${R}"
@go list -f '{{.Path}}/...@{{.Version}}' -m github.com/gogo/protobuf | xargs go get -v
@echo "${B}${G}=> Install specific version for protobuf lib ${R}"
@ -60,3 +62,5 @@ protoc: deps
--proto_path=.:./vendor:/usr/local/include \
--gofast_out=plugins=grpc,paths=source_relative:. $$f; \
done
update: docgen protoc

View file

@ -10,6 +10,8 @@
- Messages
- [DumpRequest](#state.DumpRequest)
- [DumpResponse](#state.DumpResponse)
- [DumpVarsRequest](#state.DumpVarsRequest)
- [DumpVarsResponse](#state.DumpVarsResponse)
- [HealthRequest](#state.HealthRequest)
- [HealthResponse](#state.HealthResponse)
- [MetricsRequest](#state.MetricsRequest)
@ -39,6 +41,7 @@ rpc Netmap(NetmapRequest) returns (.bootstrap.SpreadMap);
rpc Metrics(MetricsRequest) returns (MetricsResponse);
rpc HealthCheck(HealthRequest) returns (HealthResponse);
rpc DumpConfig(DumpRequest) returns (DumpResponse);
rpc DumpVars(DumpVarsRequest) returns (DumpVarsResponse);
```
@ -73,6 +76,15 @@ The request should be signed.
| Name | Input | Output |
| ---- | ----- | ------ |
| DumpConfig | [DumpRequest](#state.DumpRequest) | [DumpResponse](#state.DumpResponse) |
#### Method DumpVars
DumpVars returns debug variables for the current node.
To permit access, used server config options.
The request should be signed.
| Name | Input | Output |
| ---- | ----- | ------ |
| DumpVars | [DumpVarsRequest](#state.DumpVarsRequest) | [DumpVarsResponse](#state.DumpVarsResponse) |
<!-- end services -->
@ -100,6 +112,30 @@ Config stored in JSON encoded into slice of bytes.
| Config | [bytes](#bytes) | | |
<a name="state.DumpVarsRequest"></a>
### Message DumpVarsRequest
DumpVarsRequest message to fetch current server debug variables.
| Field | Type | Label | Description |
| ----- | ---- | ----- | ----------- |
| Meta | [service.RequestMetaHeader](#service.RequestMetaHeader) | | RequestMetaHeader contains information about request meta headers (should be embedded into message) |
| Verify | [service.RequestVerificationHeader](#service.RequestVerificationHeader) | | RequestVerificationHeader is a set of signatures of every NeoFS Node that processed request (should be embedded into message) |
<a name="state.DumpVarsResponse"></a>
### Message DumpVarsResponse
DumpVarsResponse message contains current server debug variables.
Variables stored in JSON encoded into slice of bytes.
| Field | Type | Label | Description |
| ----- | ---- | ----- | ----------- |
| Variables | [bytes](#bytes) | | |
<a name="state.HealthRequest"></a>
### Message HealthRequest

View file

@ -1,7 +1,10 @@
package state
import (
"bytes"
"encoding/json"
"expvar"
"fmt"
"github.com/golang/protobuf/proto"
"github.com/prometheus/client_golang/prometheus"
@ -61,3 +64,25 @@ func EncodeConfig(v *viper.Viper) (*DumpResponse, error) {
return &DumpResponse{Config: data}, nil
}
// EncodeVariables encodes debug variables into DumpVarsResponse message.
// Variables encoded into JSON and stored as slice of bytes.
func EncodeVariables() *DumpVarsResponse {
buf := new(bytes.Buffer)
buf.WriteString("{\n")
first := true
expvar.Do(func(kv expvar.KeyValue) {
if !first {
buf.WriteString(",\n")
}
first = false
_, _ = fmt.Fprintf(buf, "%q: %s", kv.Key, kv.Value)
})
buf.WriteString("\n}\n")
return &DumpVarsResponse{Variables: buf.Bytes()}
}

View file

@ -334,6 +334,91 @@ func (m *DumpResponse) GetConfig() []byte {
return nil
}
// DumpVarsRequest message to fetch current server debug variables.
type DumpVarsRequest struct {
// RequestMetaHeader contains information about request meta headers (should be embedded into message)
service.RequestMetaHeader `protobuf:"bytes,98,opt,name=Meta,proto3,embedded=Meta" json:"Meta"`
// RequestVerificationHeader is a set of signatures of every NeoFS Node that processed request (should be embedded into message)
service.RequestVerificationHeader `protobuf:"bytes,99,opt,name=Verify,proto3,embedded=Verify" json:"Verify"`
XXX_NoUnkeyedLiteral struct{} `json:"-"`
XXX_unrecognized []byte `json:"-"`
XXX_sizecache int32 `json:"-"`
}
func (m *DumpVarsRequest) Reset() { *m = DumpVarsRequest{} }
func (m *DumpVarsRequest) String() string { return proto.CompactTextString(m) }
func (*DumpVarsRequest) ProtoMessage() {}
func (*DumpVarsRequest) Descriptor() ([]byte, []int) {
return fileDescriptor_695592f6f2fc97b7, []int{7}
}
func (m *DumpVarsRequest) XXX_Unmarshal(b []byte) error {
return m.Unmarshal(b)
}
func (m *DumpVarsRequest) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
b = b[:cap(b)]
n, err := m.MarshalToSizedBuffer(b)
if err != nil {
return nil, err
}
return b[:n], nil
}
func (m *DumpVarsRequest) XXX_Merge(src proto.Message) {
xxx_messageInfo_DumpVarsRequest.Merge(m, src)
}
func (m *DumpVarsRequest) XXX_Size() int {
return m.Size()
}
func (m *DumpVarsRequest) XXX_DiscardUnknown() {
xxx_messageInfo_DumpVarsRequest.DiscardUnknown(m)
}
var xxx_messageInfo_DumpVarsRequest proto.InternalMessageInfo
// DumpVarsResponse message contains current server debug variables.
// Variables stored in JSON encoded into slice of bytes.
type DumpVarsResponse struct {
Variables []byte `protobuf:"bytes,1,opt,name=Variables,proto3" json:"Variables,omitempty"`
XXX_NoUnkeyedLiteral struct{} `json:"-"`
XXX_unrecognized []byte `json:"-"`
XXX_sizecache int32 `json:"-"`
}
func (m *DumpVarsResponse) Reset() { *m = DumpVarsResponse{} }
func (m *DumpVarsResponse) String() string { return proto.CompactTextString(m) }
func (*DumpVarsResponse) ProtoMessage() {}
func (*DumpVarsResponse) Descriptor() ([]byte, []int) {
return fileDescriptor_695592f6f2fc97b7, []int{8}
}
func (m *DumpVarsResponse) XXX_Unmarshal(b []byte) error {
return m.Unmarshal(b)
}
func (m *DumpVarsResponse) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
b = b[:cap(b)]
n, err := m.MarshalToSizedBuffer(b)
if err != nil {
return nil, err
}
return b[:n], nil
}
func (m *DumpVarsResponse) XXX_Merge(src proto.Message) {
xxx_messageInfo_DumpVarsResponse.Merge(m, src)
}
func (m *DumpVarsResponse) XXX_Size() int {
return m.Size()
}
func (m *DumpVarsResponse) XXX_DiscardUnknown() {
xxx_messageInfo_DumpVarsResponse.DiscardUnknown(m)
}
var xxx_messageInfo_DumpVarsResponse proto.InternalMessageInfo
func (m *DumpVarsResponse) GetVariables() []byte {
if m != nil {
return m.Variables
}
return nil
}
func init() {
proto.RegisterType((*NetmapRequest)(nil), "state.NetmapRequest")
proto.RegisterType((*MetricsRequest)(nil), "state.MetricsRequest")
@ -342,42 +427,47 @@ func init() {
proto.RegisterType((*HealthResponse)(nil), "state.HealthResponse")
proto.RegisterType((*DumpRequest)(nil), "state.DumpRequest")
proto.RegisterType((*DumpResponse)(nil), "state.DumpResponse")
proto.RegisterType((*DumpVarsRequest)(nil), "state.DumpVarsRequest")
proto.RegisterType((*DumpVarsResponse)(nil), "state.DumpVarsResponse")
}
func init() { proto.RegisterFile("state/service.proto", fileDescriptor_695592f6f2fc97b7) }
var fileDescriptor_695592f6f2fc97b7 = []byte{
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}
// Reference imports to suppress errors if they are not otherwise used.
@ -403,6 +493,10 @@ type StatusClient interface {
// To permit access, used server config options.
// The request should be signed.
DumpConfig(ctx context.Context, in *DumpRequest, opts ...grpc.CallOption) (*DumpResponse, error)
// DumpVars returns debug variables for the current node.
// To permit access, used server config options.
// The request should be signed.
DumpVars(ctx context.Context, in *DumpVarsRequest, opts ...grpc.CallOption) (*DumpVarsResponse, error)
}
type statusClient struct {
@ -449,6 +543,15 @@ func (c *statusClient) DumpConfig(ctx context.Context, in *DumpRequest, opts ...
return out, nil
}
func (c *statusClient) DumpVars(ctx context.Context, in *DumpVarsRequest, opts ...grpc.CallOption) (*DumpVarsResponse, error) {
out := new(DumpVarsResponse)
err := c.cc.Invoke(ctx, "/state.Status/DumpVars", in, out, opts...)
if err != nil {
return nil, err
}
return out, nil
}
// StatusServer is the server API for Status service.
type StatusServer interface {
// Netmap request allows to receive current [bootstrap.SpreadMap](bootstrap.md#bootstrap.SpreadMap)
@ -462,6 +565,10 @@ type StatusServer interface {
// To permit access, used server config options.
// The request should be signed.
DumpConfig(context.Context, *DumpRequest) (*DumpResponse, error)
// DumpVars returns debug variables for the current node.
// To permit access, used server config options.
// The request should be signed.
DumpVars(context.Context, *DumpVarsRequest) (*DumpVarsResponse, error)
}
// UnimplementedStatusServer can be embedded to have forward compatible implementations.
@ -480,6 +587,9 @@ func (*UnimplementedStatusServer) HealthCheck(ctx context.Context, req *HealthRe
func (*UnimplementedStatusServer) DumpConfig(ctx context.Context, req *DumpRequest) (*DumpResponse, error) {
return nil, status.Errorf(codes.Unimplemented, "method DumpConfig not implemented")
}
func (*UnimplementedStatusServer) DumpVars(ctx context.Context, req *DumpVarsRequest) (*DumpVarsResponse, error) {
return nil, status.Errorf(codes.Unimplemented, "method DumpVars not implemented")
}
func RegisterStatusServer(s *grpc.Server, srv StatusServer) {
s.RegisterService(&_Status_serviceDesc, srv)
@ -557,6 +667,24 @@ func _Status_DumpConfig_Handler(srv interface{}, ctx context.Context, dec func(i
return interceptor(ctx, in, info, handler)
}
func _Status_DumpVars_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
in := new(DumpVarsRequest)
if err := dec(in); err != nil {
return nil, err
}
if interceptor == nil {
return srv.(StatusServer).DumpVars(ctx, in)
}
info := &grpc.UnaryServerInfo{
Server: srv,
FullMethod: "/state.Status/DumpVars",
}
handler := func(ctx context.Context, req interface{}) (interface{}, error) {
return srv.(StatusServer).DumpVars(ctx, req.(*DumpVarsRequest))
}
return interceptor(ctx, in, info, handler)
}
var _Status_serviceDesc = grpc.ServiceDesc{
ServiceName: "state.Status",
HandlerType: (*StatusServer)(nil),
@ -577,6 +705,10 @@ var _Status_serviceDesc = grpc.ServiceDesc{
MethodName: "DumpConfig",
Handler: _Status_DumpConfig_Handler,
},
{
MethodName: "DumpVars",
Handler: _Status_DumpVars_Handler,
},
},
Streams: []grpc.StreamDesc{},
Metadata: "state/service.proto",
@ -900,6 +1032,91 @@ func (m *DumpResponse) MarshalToSizedBuffer(dAtA []byte) (int, error) {
return len(dAtA) - i, nil
}
func (m *DumpVarsRequest) Marshal() (dAtA []byte, err error) {
size := m.Size()
dAtA = make([]byte, size)
n, err := m.MarshalToSizedBuffer(dAtA[:size])
if err != nil {
return nil, err
}
return dAtA[:n], nil
}
func (m *DumpVarsRequest) MarshalTo(dAtA []byte) (int, error) {
size := m.Size()
return m.MarshalToSizedBuffer(dAtA[:size])
}
func (m *DumpVarsRequest) MarshalToSizedBuffer(dAtA []byte) (int, error) {
i := len(dAtA)
_ = i
var l int
_ = l
if m.XXX_unrecognized != nil {
i -= len(m.XXX_unrecognized)
copy(dAtA[i:], m.XXX_unrecognized)
}
{
size, err := m.RequestVerificationHeader.MarshalToSizedBuffer(dAtA[:i])
if err != nil {
return 0, err
}
i -= size
i = encodeVarintService(dAtA, i, uint64(size))
}
i--
dAtA[i] = 0x6
i--
dAtA[i] = 0x9a
{
size, err := m.RequestMetaHeader.MarshalToSizedBuffer(dAtA[:i])
if err != nil {
return 0, err
}
i -= size
i = encodeVarintService(dAtA, i, uint64(size))
}
i--
dAtA[i] = 0x6
i--
dAtA[i] = 0x92
return len(dAtA) - i, nil
}
func (m *DumpVarsResponse) Marshal() (dAtA []byte, err error) {
size := m.Size()
dAtA = make([]byte, size)
n, err := m.MarshalToSizedBuffer(dAtA[:size])
if err != nil {
return nil, err
}
return dAtA[:n], nil
}
func (m *DumpVarsResponse) MarshalTo(dAtA []byte) (int, error) {
size := m.Size()
return m.MarshalToSizedBuffer(dAtA[:size])
}
func (m *DumpVarsResponse) MarshalToSizedBuffer(dAtA []byte) (int, error) {
i := len(dAtA)
_ = i
var l int
_ = l
if m.XXX_unrecognized != nil {
i -= len(m.XXX_unrecognized)
copy(dAtA[i:], m.XXX_unrecognized)
}
if len(m.Variables) > 0 {
i -= len(m.Variables)
copy(dAtA[i:], m.Variables)
i = encodeVarintService(dAtA, i, uint64(len(m.Variables)))
i--
dAtA[i] = 0xa
}
return len(dAtA) - i, nil
}
func encodeVarintService(dAtA []byte, offset int, v uint64) int {
offset -= sovService(v)
base := offset
@ -1028,6 +1245,38 @@ func (m *DumpResponse) Size() (n int) {
return n
}
func (m *DumpVarsRequest) Size() (n int) {
if m == nil {
return 0
}
var l int
_ = l
l = m.RequestMetaHeader.Size()
n += 2 + l + sovService(uint64(l))
l = m.RequestVerificationHeader.Size()
n += 2 + l + sovService(uint64(l))
if m.XXX_unrecognized != nil {
n += len(m.XXX_unrecognized)
}
return n
}
func (m *DumpVarsResponse) Size() (n int) {
if m == nil {
return 0
}
var l int
_ = l
l = len(m.Variables)
if l > 0 {
n += 1 + l + sovService(uint64(l))
}
if m.XXX_unrecognized != nil {
n += len(m.XXX_unrecognized)
}
return n
}
func sovService(x uint64) (n int) {
return (math_bits.Len64(x|1) + 6) / 7
}
@ -1794,6 +2043,214 @@ func (m *DumpResponse) Unmarshal(dAtA []byte) error {
}
return nil
}
func (m *DumpVarsRequest) Unmarshal(dAtA []byte) error {
l := len(dAtA)
iNdEx := 0
for iNdEx < l {
preIndex := iNdEx
var wire uint64
for shift := uint(0); ; shift += 7 {
if shift >= 64 {
return ErrIntOverflowService
}
if iNdEx >= l {
return io.ErrUnexpectedEOF
}
b := dAtA[iNdEx]
iNdEx++
wire |= uint64(b&0x7F) << shift
if b < 0x80 {
break
}
}
fieldNum := int32(wire >> 3)
wireType := int(wire & 0x7)
if wireType == 4 {
return fmt.Errorf("proto: DumpVarsRequest: wiretype end group for non-group")
}
if fieldNum <= 0 {
return fmt.Errorf("proto: DumpVarsRequest: illegal tag %d (wire type %d)", fieldNum, wire)
}
switch fieldNum {
case 98:
if wireType != 2 {
return fmt.Errorf("proto: wrong wireType = %d for field RequestMetaHeader", wireType)
}
var msglen int
for shift := uint(0); ; shift += 7 {
if shift >= 64 {
return ErrIntOverflowService
}
if iNdEx >= l {
return io.ErrUnexpectedEOF
}
b := dAtA[iNdEx]
iNdEx++
msglen |= int(b&0x7F) << shift
if b < 0x80 {
break
}
}
if msglen < 0 {
return ErrInvalidLengthService
}
postIndex := iNdEx + msglen
if postIndex < 0 {
return ErrInvalidLengthService
}
if postIndex > l {
return io.ErrUnexpectedEOF
}
if err := m.RequestMetaHeader.Unmarshal(dAtA[iNdEx:postIndex]); err != nil {
return err
}
iNdEx = postIndex
case 99:
if wireType != 2 {
return fmt.Errorf("proto: wrong wireType = %d for field RequestVerificationHeader", wireType)
}
var msglen int
for shift := uint(0); ; shift += 7 {
if shift >= 64 {
return ErrIntOverflowService
}
if iNdEx >= l {
return io.ErrUnexpectedEOF
}
b := dAtA[iNdEx]
iNdEx++
msglen |= int(b&0x7F) << shift
if b < 0x80 {
break
}
}
if msglen < 0 {
return ErrInvalidLengthService
}
postIndex := iNdEx + msglen
if postIndex < 0 {
return ErrInvalidLengthService
}
if postIndex > l {
return io.ErrUnexpectedEOF
}
if err := m.RequestVerificationHeader.Unmarshal(dAtA[iNdEx:postIndex]); err != nil {
return err
}
iNdEx = postIndex
default:
iNdEx = preIndex
skippy, err := skipService(dAtA[iNdEx:])
if err != nil {
return err
}
if skippy < 0 {
return ErrInvalidLengthService
}
if (iNdEx + skippy) < 0 {
return ErrInvalidLengthService
}
if (iNdEx + skippy) > l {
return io.ErrUnexpectedEOF
}
m.XXX_unrecognized = append(m.XXX_unrecognized, dAtA[iNdEx:iNdEx+skippy]...)
iNdEx += skippy
}
}
if iNdEx > l {
return io.ErrUnexpectedEOF
}
return nil
}
func (m *DumpVarsResponse) Unmarshal(dAtA []byte) error {
l := len(dAtA)
iNdEx := 0
for iNdEx < l {
preIndex := iNdEx
var wire uint64
for shift := uint(0); ; shift += 7 {
if shift >= 64 {
return ErrIntOverflowService
}
if iNdEx >= l {
return io.ErrUnexpectedEOF
}
b := dAtA[iNdEx]
iNdEx++
wire |= uint64(b&0x7F) << shift
if b < 0x80 {
break
}
}
fieldNum := int32(wire >> 3)
wireType := int(wire & 0x7)
if wireType == 4 {
return fmt.Errorf("proto: DumpVarsResponse: wiretype end group for non-group")
}
if fieldNum <= 0 {
return fmt.Errorf("proto: DumpVarsResponse: illegal tag %d (wire type %d)", fieldNum, wire)
}
switch fieldNum {
case 1:
if wireType != 2 {
return fmt.Errorf("proto: wrong wireType = %d for field Variables", wireType)
}
var byteLen int
for shift := uint(0); ; shift += 7 {
if shift >= 64 {
return ErrIntOverflowService
}
if iNdEx >= l {
return io.ErrUnexpectedEOF
}
b := dAtA[iNdEx]
iNdEx++
byteLen |= int(b&0x7F) << shift
if b < 0x80 {
break
}
}
if byteLen < 0 {
return ErrInvalidLengthService
}
postIndex := iNdEx + byteLen
if postIndex < 0 {
return ErrInvalidLengthService
}
if postIndex > l {
return io.ErrUnexpectedEOF
}
m.Variables = append(m.Variables[:0], dAtA[iNdEx:postIndex]...)
if m.Variables == nil {
m.Variables = []byte{}
}
iNdEx = postIndex
default:
iNdEx = preIndex
skippy, err := skipService(dAtA[iNdEx:])
if err != nil {
return err
}
if skippy < 0 {
return ErrInvalidLengthService
}
if (iNdEx + skippy) < 0 {
return ErrInvalidLengthService
}
if (iNdEx + skippy) > l {
return io.ErrUnexpectedEOF
}
m.XXX_unrecognized = append(m.XXX_unrecognized, dAtA[iNdEx:iNdEx+skippy]...)
iNdEx += skippy
}
}
if iNdEx > l {
return io.ErrUnexpectedEOF
}
return nil
}
func skipService(dAtA []byte) (n int, err error) {
l := len(dAtA)
iNdEx := 0

View file

@ -23,6 +23,10 @@ service Status {
// To permit access, used server config options.
// The request should be signed.
rpc DumpConfig(DumpRequest) returns (DumpResponse);
// DumpVars returns debug variables for the current node.
// To permit access, used server config options.
// The request should be signed.
rpc DumpVars(DumpVarsRequest) returns (DumpVarsResponse);
}
// NetmapRequest message to request current node netmap
@ -77,3 +81,17 @@ message DumpRequest {
message DumpResponse {
bytes Config = 1;
}
// DumpVarsRequest message to fetch current server debug variables.
message DumpVarsRequest {
// RequestMetaHeader contains information about request meta headers (should be embedded into message)
service.RequestMetaHeader Meta = 98 [(gogoproto.embed) = true, (gogoproto.nullable) = false];
// RequestVerificationHeader is a set of signatures of every NeoFS Node that processed request (should be embedded into message)
service.RequestVerificationHeader Verify = 99 [(gogoproto.embed) = true, (gogoproto.nullable) = false];
}
// DumpVarsResponse message contains current server debug variables.
// Variables stored in JSON encoded into slice of bytes.
message DumpVarsResponse {
bytes Variables = 1;
}

28
state/service_test.go Normal file
View file

@ -0,0 +1,28 @@
package state
import (
"encoding/json"
"expvar"
"testing"
"github.com/stretchr/testify/require"
)
func TestEncodeVariables(t *testing.T) {
dump := make(map[string]interface{})
expvar.NewString("test1").Set("test1")
expvar.NewString("test2").Set("test2")
res := EncodeVariables()
require.NoError(t, json.Unmarshal(res.Variables, &dump))
require.NotEmpty(t, dump)
// dump should contains keys `test1` and `test2`
require.Contains(t, dump, "test1")
require.Equal(t, "test1", dump["test1"])
require.Contains(t, dump, "test2")
require.Equal(t, "test2", dump["test2"])
}