Merge branch 'release/0.2.6'

CHANGELOG.md

@@ -1,6 +1,11 @@
 # Changelog
 This is the changelog for NeoFS Proto
 
+## [0.2.6] - 2019-12-17
+
+### Added
+- Request to dump node config
+
 ## [0.2.5] - 2019-12-05
 
 ### Removed
@@ -66,3 +71,4 @@ Initial public release
 [0.2.3]: https://github.com/nspcc-dev/neofs-proto/compare/v0.2.2...v0.2.3
 [0.2.4]: https://github.com/nspcc-dev/neofs-proto/compare/v0.2.3...v0.2.4
 [0.2.5]: https://github.com/nspcc-dev/neofs-proto/compare/v0.2.4...v0.2.5
+[0.2.6]: https://github.com/nspcc-dev/neofs-proto/compare/v0.2.5...v0.2.6

docs/state.md

@@ -8,6 +8,8 @@
     - [Status](#state.Status)
     
   - Messages
+    - [DumpRequest](#state.DumpRequest)
+    - [DumpResponse](#state.DumpResponse)
     - [HealthRequest](#state.HealthRequest)
     - [HealthResponse](#state.HealthResponse)
     - [MetricsRequest](#state.MetricsRequest)
@@ -36,6 +38,7 @@ Status service provides node's healthcheck and status info
 rpc Netmap(NetmapRequest) returns (.bootstrap.SpreadMap);
 rpc Metrics(MetricsRequest) returns (MetricsResponse);
 rpc HealthCheck(HealthRequest) returns (HealthResponse);
+rpc DumpConfig(DumpRequest) returns (DumpResponse);
 
 ```
 
@@ -61,9 +64,42 @@ If node unhealthy field Status would contains detailed info.
 | Name | Input | Output |
 | ---- | ----- | ------ |
 | HealthCheck | [HealthRequest](#state.HealthRequest) | [HealthResponse](#state.HealthResponse) |
+#### Method DumpConfig
+
+DumpConfig request allows dumping settings for the current node.
+To permit access, used server config options.
+The request should be signed.
+
+| Name | Input | Output |
+| ---- | ----- | ------ |
+| DumpConfig | [DumpRequest](#state.DumpRequest) | [DumpResponse](#state.DumpResponse) |
  <!-- end services -->
 
 
+<a name="state.DumpRequest"></a>
+
+### Message DumpRequest
+DumpRequest message to fetch current server config.
+
+
+| 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.DumpResponse"></a>
+
+### Message DumpResponse
+DumpResponse message contains current server config.
+Config stored in JSON encoded into slice of bytes.
+
+
+| Field | Type | Label | Description |
+| ----- | ---- | ----- | ----------- |
+| Config | [bytes](#bytes) |  |  |
+
+
 <a name="state.HealthRequest"></a>
 
 ### Message HealthRequest

go.mod

@@ -13,6 +13,7 @@ require (
 	github.com/pkg/errors v0.8.1
 	github.com/prometheus/client_golang v1.2.1
 	github.com/prometheus/client_model v0.0.0-20190812154241-14fe0d1b01d4
+	github.com/spf13/viper v1.6.1
 	github.com/stretchr/testify v1.4.0
 	golang.org/x/crypto v0.0.0-20191011191535-87dc89f01550
 	google.golang.org/grpc v1.24.0

go.sum

@@ -1,61 +1,100 @@
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@@ -88,39 +131,77 @@ github.com/prometheus/client_model v0.0.0-20180712105110-5c3871d89910/go.mod h1:
 github.com/prometheus/client_model v0.0.0-20190129233127-fd36f4220a90/go.mod h1:xMI15A0UPsDsEKsMN9yxemIoYk6Tm2C1GtYGdfGttqA=
 github.com/prometheus/client_model v0.0.0-20190812154241-14fe0d1b01d4 h1:gQz4mCbXsO+nc9n1hCxHcGA3Zx3Eo+UHZoInFGUIXNM=
 github.com/prometheus/client_model v0.0.0-20190812154241-14fe0d1b01d4/go.mod h1:xMI15A0UPsDsEKsMN9yxemIoYk6Tm2C1GtYGdfGttqA=
+github.com/prometheus/common v0.0.0-20181113130724-41aa239b4cce/go.mod h1:daVV7qP5qjZbuso7PdcryaAu0sAZbrN9i7WWcTMWvro=
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 github.com/prometheus/procfs v0.0.5 h1:3+auTFlqw+ZaQYJARz6ArODtkaIwtvBTx3N2NehQlL8=
 github.com/prometheus/procfs v0.0.5/go.mod h1:4A/X28fw3Fc593LaREMrKMqOKvUAntwMDaekg4FpcdQ=
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+golang.org/x/sys v0.0.0-20180830151530-49385e6e1522/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20180905080454-ebe1bf3edb33/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
+golang.org/x/sys v0.0.0-20181107165924-66b7b1311ac8/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20181116152217-5ac8a444bdc5/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20181228144115-9a3f9b0469bb/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
@@ -131,19 +212,34 @@ golang.org/x/sys v0.0.0-20191010194322-b09406accb47 h1:/XfQ9z7ib8eEJX2hdgFTZJ/nt
 golang.org/x/sys v0.0.0-20191010194322-b09406accb47/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/text v0.3.0 h1:g61tztE5qeGQ89tm6NTjjM9VPIm088od1l6aSorWRWg=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
+golang.org/x/time v0.0.0-20190308202827-9d24e82272b4/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
+golang.org/x/tools v0.0.0-20180221164845-07fd8470d635/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
 golang.org/x/tools v0.0.0-20181030221726-6c7e314b6563/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
+golang.org/x/tools v0.0.0-20190114222345-bf090417da8b/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
 golang.org/x/tools v0.0.0-20190311212946-11955173bddd/go.mod h1:LCzVGOaR6xXOjkQ3onu1FJEFr0SW1gC7cKk1uF8kGRs=
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state/service.go

@@ -1,9 +1,12 @@
 package state
 
 import (
+	"encoding/json"
+
 	"github.com/golang/protobuf/proto"
 	"github.com/prometheus/client_golang/prometheus"
 	dto "github.com/prometheus/client_model/go"
+	"github.com/spf13/viper"
 	"google.golang.org/grpc/codes"
 	"google.golang.org/grpc/status"
 )
@@ -46,3 +49,14 @@ func DecodeMetrics(r *MetricsResponse) ([]*MetricFamily, error) {
 
 	return metrics, nil
 }
+
+// EncodeConfig encodes viper settings into DumpConfig message,
+// if something went wrong returns gRPC Status error (can be returned from service).
+func EncodeConfig(v *viper.Viper) (*DumpResponse, error) {
+	data, err := json.Marshal(v.AllSettings())
+	if err != nil {
+		return nil, status.Error(codes.Internal, err.Error())
+	}
+
+	return &DumpResponse{Config: data}, nil
+}

state/service.pb.go

@@ -249,44 +249,134 @@ func (m *HealthResponse) GetStatus() string {
 	return ""
 }
 
+// DumpRequest message to fetch current server config.
+type DumpRequest 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 *DumpRequest) Reset()         { *m = DumpRequest{} }
+func (m *DumpRequest) String() string { return proto.CompactTextString(m) }
+func (*DumpRequest) ProtoMessage()    {}
+func (*DumpRequest) Descriptor() ([]byte, []int) {
+	return fileDescriptor_695592f6f2fc97b7, []int{5}
+}
+func (m *DumpRequest) XXX_Unmarshal(b []byte) error {
+	return m.Unmarshal(b)
+}
+func (m *DumpRequest) 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 *DumpRequest) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_DumpRequest.Merge(m, src)
+}
+func (m *DumpRequest) XXX_Size() int {
+	return m.Size()
+}
+func (m *DumpRequest) XXX_DiscardUnknown() {
+	xxx_messageInfo_DumpRequest.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_DumpRequest proto.InternalMessageInfo
+
+// DumpResponse message contains current server config.
+// Config stored in JSON encoded into slice of bytes.
+type DumpResponse struct {
+	Config               []byte   `protobuf:"bytes,1,opt,name=Config,proto3" json:"Config,omitempty"`
+	XXX_NoUnkeyedLiteral struct{} `json:"-"`
+	XXX_unrecognized     []byte   `json:"-"`
+	XXX_sizecache        int32    `json:"-"`
+}
+
+func (m *DumpResponse) Reset()         { *m = DumpResponse{} }
+func (m *DumpResponse) String() string { return proto.CompactTextString(m) }
+func (*DumpResponse) ProtoMessage()    {}
+func (*DumpResponse) Descriptor() ([]byte, []int) {
+	return fileDescriptor_695592f6f2fc97b7, []int{6}
+}
+func (m *DumpResponse) XXX_Unmarshal(b []byte) error {
+	return m.Unmarshal(b)
+}
+func (m *DumpResponse) 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 *DumpResponse) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_DumpResponse.Merge(m, src)
+}
+func (m *DumpResponse) XXX_Size() int {
+	return m.Size()
+}
+func (m *DumpResponse) XXX_DiscardUnknown() {
+	xxx_messageInfo_DumpResponse.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_DumpResponse proto.InternalMessageInfo
+
+func (m *DumpResponse) GetConfig() []byte {
+	if m != nil {
+		return m.Config
+	}
+	return nil
+}
+
 func init() {
 	proto.RegisterType((*NetmapRequest)(nil), "state.NetmapRequest")
 	proto.RegisterType((*MetricsRequest)(nil), "state.MetricsRequest")
 	proto.RegisterType((*MetricsResponse)(nil), "state.MetricsResponse")
 	proto.RegisterType((*HealthRequest)(nil), "state.HealthRequest")
 	proto.RegisterType((*HealthResponse)(nil), "state.HealthResponse")
+	proto.RegisterType((*DumpRequest)(nil), "state.DumpRequest")
+	proto.RegisterType((*DumpResponse)(nil), "state.DumpResponse")
 }
 
 func init() { proto.RegisterFile("state/service.proto", fileDescriptor_695592f6f2fc97b7) }
 
 var fileDescriptor_695592f6f2fc97b7 = []byte{
-	// 408 bytes of a gzipped FileDescriptorProto
+	// 459 bytes of a gzipped FileDescriptorProto
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+	0x80, 0x34, 0x17, 0x2a, 0xc1, 0xaf, 0x15, 0x6a, 0xe2, 0xe7, 0xf0, 0x64, 0x84, 0x24, 0xfc, 0xb4,
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+	0xcb, 0xfa, 0x8d, 0xb3, 0x20, 0xaa, 0x63, 0xba, 0xfa, 0x7d, 0xed, 0x0a, 0xc5, 0x18, 0xcb, 0xe1,
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+	0xf4, 0x33, 0xe3, 0xed, 0xed, 0x7a, 0x4d, 0x35, 0xcf, 0x04, 0xe5, 0xb2, 0x78, 0xb0, 0x86, 0xf3,
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+	0xf6, 0x7e, 0x30, 0x38, 0x1a, 0x21, 0x95, 0x79, 0xa6, 0xf7, 0x25, 0xd2, 0x2b, 0x78, 0xb9, 0x4e,
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+	0x1f, 0x75, 0x59, 0xff, 0x79, 0xe2, 0x54, 0xef, 0x1b, 0x83, 0xc6, 0x65, 0x35, 0xdf, 0x9b, 0x29,
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+	0x39, 0x85, 0xa6, 0x8d, 0xe3, 0x3a, 0xea, 0x80, 0x77, 0x21, 0x8b, 0x49, 0x3e, 0x35, 0x0d, 0x35,
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+	0x16, 0x6d, 0x0d, 0x7e, 0xd0, 0x8a, 0xd6, 0x37, 0x2a, 0xba, 0x56, 0x25, 0x8a, 0xf1, 0x48, 0x28,
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+	0x7e, 0xbe, 0x3e, 0x68, 0xde, 0x76, 0xb6, 0xed, 0xe9, 0x0c, 0x3a, 0xbb, 0xd8, 0x45, 0x7a, 0x07,
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+	0x0d, 0xbb, 0xab, 0x17, 0x33, 0xcc, 0x3e, 0xaf, 0xff, 0x74, 0x6b, 0x36, 0x82, 0xf6, 0x0e, 0x75,
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+	0xde, 0xb7, 0x00, 0xf7, 0xed, 0xd9, 0x26, 0x38, 0x77, 0x1f, 0x6d, 0x1c, 0x40, 0x70, 0xbc, 0xc5,
-	0x78, 0x9b, 0x96, 0xe5, 0xb1, 0x03, 0x00, 0x00,
+	0xac, 0x6d, 0xf8, 0xfe, 0x66, 0x15, 0xb2, 0xdb, 0x55, 0xc8, 0x7e, 0xad, 0x42, 0xf6, 0x7b, 0x15,
+	0xb2, 0x9f, 0x7f, 0xc2, 0x83, 0x4f, 0xa7, 0x1b, 0x4f, 0x42, 0xa1, 0x55, 0x96, 0x0d, 0xc6, 0xb8,
+	0x88, 0x0b, 0x94, 0x13, 0x3d, 0xb0, 0x0f, 0x82, 0x59, 0x2a, 0xf5, 0x8c, 0x78, 0xfd, 0x2f, 0x00,
+	0x00, 0xff, 0xff, 0x88, 0xd9, 0x75, 0x33, 0xa0, 0x04, 0x00, 0x00,
 }
 
 // Reference imports to suppress errors if they are not otherwise used.
@@ -308,6 +398,10 @@ type StatusClient interface {
 	// HealthCheck request allows to check health status of the node.
 	// If node unhealthy field Status would contains detailed info.
 	HealthCheck(ctx context.Context, in *HealthRequest, opts ...grpc.CallOption) (*HealthResponse, error)
+	// DumpConfig request allows dumping settings for the current node.
+	// To permit access, used server config options.
+	// The request should be signed.
+	DumpConfig(ctx context.Context, in *DumpRequest, opts ...grpc.CallOption) (*DumpResponse, error)
 }
 
 type statusClient struct {
@@ -345,6 +439,15 @@ func (c *statusClient) HealthCheck(ctx context.Context, in *HealthRequest, opts
 	return out, nil
 }
 
+func (c *statusClient) DumpConfig(ctx context.Context, in *DumpRequest, opts ...grpc.CallOption) (*DumpResponse, error) {
+	out := new(DumpResponse)
+	err := c.cc.Invoke(ctx, "/state.Status/DumpConfig", 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)
@@ -354,6 +457,10 @@ type StatusServer interface {
 	// HealthCheck request allows to check health status of the node.
 	// If node unhealthy field Status would contains detailed info.
 	HealthCheck(context.Context, *HealthRequest) (*HealthResponse, error)
+	// DumpConfig request allows dumping settings for the current node.
+	// To permit access, used server config options.
+	// The request should be signed.
+	DumpConfig(context.Context, *DumpRequest) (*DumpResponse, error)
 }
 
 // UnimplementedStatusServer can be embedded to have forward compatible implementations.
@@ -369,6 +476,9 @@ func (*UnimplementedStatusServer) Metrics(ctx context.Context, req *MetricsReque
 func (*UnimplementedStatusServer) HealthCheck(ctx context.Context, req *HealthRequest) (*HealthResponse, error) {
 	return nil, status.Errorf(codes.Unimplemented, "method HealthCheck not implemented")
 }
+func (*UnimplementedStatusServer) DumpConfig(ctx context.Context, req *DumpRequest) (*DumpResponse, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method DumpConfig not implemented")
+}
 
 func RegisterStatusServer(s *grpc.Server, srv StatusServer) {
 	s.RegisterService(&_Status_serviceDesc, srv)
@@ -428,6 +538,24 @@ func _Status_HealthCheck_Handler(srv interface{}, ctx context.Context, dec func(
 	return interceptor(ctx, in, info, handler)
 }
 
+func _Status_DumpConfig_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(DumpRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(StatusServer).DumpConfig(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/state.Status/DumpConfig",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(StatusServer).DumpConfig(ctx, req.(*DumpRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
 var _Status_serviceDesc = grpc.ServiceDesc{
 	ServiceName: "state.Status",
 	HandlerType: (*StatusServer)(nil),
@@ -444,6 +572,10 @@ var _Status_serviceDesc = grpc.ServiceDesc{
 			MethodName: "HealthCheck",
 			Handler:    _Status_HealthCheck_Handler,
 		},
+		{
+			MethodName: "DumpConfig",
+			Handler:    _Status_DumpConfig_Handler,
+		},
 	},
 	Streams:  []grpc.StreamDesc{},
 	Metadata: "state/service.proto",
@@ -682,6 +814,91 @@ func (m *HealthResponse) MarshalToSizedBuffer(dAtA []byte) (int, error) {
 	return len(dAtA) - i, nil
 }
 
+func (m *DumpRequest) 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 *DumpRequest) MarshalTo(dAtA []byte) (int, error) {
+	size := m.Size()
+	return m.MarshalToSizedBuffer(dAtA[:size])
+}
+
+func (m *DumpRequest) 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 *DumpResponse) 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 *DumpResponse) MarshalTo(dAtA []byte) (int, error) {
+	size := m.Size()
+	return m.MarshalToSizedBuffer(dAtA[:size])
+}
+
+func (m *DumpResponse) 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.Config) > 0 {
+		i -= len(m.Config)
+		copy(dAtA[i:], m.Config)
+		i = encodeVarintService(dAtA, i, uint64(len(m.Config)))
+		i--
+		dAtA[i] = 0xa
+	}
+	return len(dAtA) - i, nil
+}
+
 func encodeVarintService(dAtA []byte, offset int, v uint64) int {
 	offset -= sovService(v)
 	base := offset
@@ -778,6 +995,38 @@ func (m *HealthResponse) Size() (n int) {
 	return n
 }
 
+func (m *DumpRequest) 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 *DumpResponse) Size() (n int) {
+	if m == nil {
+		return 0
+	}
+	var l int
+	_ = l
+	l = len(m.Config)
+	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
 }
@@ -1336,6 +1585,214 @@ func (m *HealthResponse) Unmarshal(dAtA []byte) error {
 	}
 	return nil
 }
+func (m *DumpRequest) 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: DumpRequest: wiretype end group for non-group")
+		}
+		if fieldNum <= 0 {
+			return fmt.Errorf("proto: DumpRequest: 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 *DumpResponse) 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: DumpResponse: wiretype end group for non-group")
+		}
+		if fieldNum <= 0 {
+			return fmt.Errorf("proto: DumpResponse: illegal tag %d (wire type %d)", fieldNum, wire)
+		}
+		switch fieldNum {
+		case 1:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Config", 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.Config = append(m.Config[:0], dAtA[iNdEx:postIndex]...)
+			if m.Config == nil {
+				m.Config = []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

state/service.proto

@@ -18,6 +18,10 @@ service Status {
     // HealthCheck request allows to check health status of the node.
     // If node unhealthy field Status would contains detailed info.
     rpc HealthCheck(HealthRequest) returns (HealthResponse);
+    // DumpConfig request allows dumping settings for the current node.
+    // To permit access, used server config options.
+    // The request should be signed.
+    rpc DumpConfig(DumpRequest) returns (DumpResponse);
 }
 
 // NetmapRequest message to request current node netmap
@@ -58,3 +62,17 @@ message HealthResponse {
     // Status contains detailed information about health status
     string Status = 2;
 }
+
+// DumpRequest message to fetch current server config.
+message DumpRequest {
+    // 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];
+}
+
+// DumpResponse message contains current server config.
+// Config stored in JSON encoded into slice of bytes.
+message DumpResponse {
+    bytes Config = 1;
+}