[#74] apemanager: Generate protobufs for apemanager service

* Generate protobufs.
* Make marshallers, unmarshallers, json-encoders etc.
* Create message encoding/decoding unit-tests.

Signed-off-by: Airat Arifullin <a.arifullin@yadro.com>

apemanager/convert.go

@@ -0,0 +1,481 @@
+package apemanager
+
+import (
+	"fmt"
+
+	apemanager "git.frostfs.info/TrueCloudLab/frostfs-api-go/v2/apemanager/grpc"
+	"git.frostfs.info/TrueCloudLab/frostfs-api-go/v2/rpc/grpc"
+	"git.frostfs.info/TrueCloudLab/frostfs-api-go/v2/rpc/message"
+)
+
+func TargetTypeToGRPCField(typ TargetType) apemanager.TargetType {
+	switch typ {
+	case TargetTypeNamespace:
+		return apemanager.TargetType_NAMESPACE
+	case TargetTypeContainer:
+		return apemanager.TargetType_CONTAINER
+	case TargetTypeUser:
+		return apemanager.TargetType_USER
+	case TargetTypeGroup:
+		return apemanager.TargetType_GROUP
+	default:
+		return apemanager.TargetType_UNDEFINED
+	}
+}
+
+func TargetTypeFromGRPCField(typ apemanager.TargetType) TargetType {
+	switch typ {
+	case apemanager.TargetType_NAMESPACE:
+		return TargetTypeNamespace
+	case apemanager.TargetType_CONTAINER:
+		return TargetTypeContainer
+	case apemanager.TargetType_USER:
+		return TargetTypeUser
+	case apemanager.TargetType_GROUP:
+		return TargetTypeGroup
+	default:
+		return TargetTypeUndefined
+	}
+}
+
+func TargetTypeToGRPC(typ TargetType) apemanager.TargetType {
+	return apemanager.TargetType(typ)
+}
+
+func TargetTypeFromGRPC(typ apemanager.TargetType) TargetType {
+	return TargetType(typ)
+}
+
+func (v2 *ChainTarget) ToGRPCMessage() grpc.Message {
+	var mgrpc *apemanager.ChainTarget
+
+	if v2 != nil {
+		mgrpc = new(apemanager.ChainTarget)
+
+		mgrpc.SetType(TargetTypeToGRPC(v2.GetTargetType()))
+		mgrpc.SetName(v2.GetName())
+	}
+
+	return mgrpc
+}
+
+func (v2 *ChainTarget) FromGRPCMessage(m grpc.Message) error {
+	mgrpc, ok := m.(*apemanager.ChainTarget)
+	if !ok {
+		return message.NewUnexpectedMessageType(m, mgrpc)
+	}
+
+	v2.SetTargetType(TargetTypeFromGRPC(mgrpc.GetType()))
+	v2.SetName(mgrpc.GetName())
+
+	return nil
+}
+
+func (v2 *ChainRaw) ToGRPCMessage() grpc.Message {
+	var mgrpc *apemanager.Chain_Raw
+
+	if v2 != nil {
+		mgrpc = new(apemanager.Chain_Raw)
+
+		mgrpc.SetRaw(v2.GetRaw())
+	}
+
+	return mgrpc
+}
+
+func (v2 *ChainRaw) FromGRPCMessage(m grpc.Message) error {
+	mgrpc, ok := m.(*apemanager.Chain_Raw)
+	if !ok {
+		return message.NewUnexpectedMessageType(m, mgrpc)
+	}
+
+	v2.SetRaw(mgrpc.GetRaw())
+
+	return nil
+}
+
+func (v2 *Chain) ToGRPCMessage() grpc.Message {
+	var mgrpc *apemanager.Chain
+
+	if v2 != nil {
+		mgrpc = new(apemanager.Chain)
+
+		switch chainKind := v2.GetKind().(type) {
+		default:
+			panic(fmt.Sprintf("unsupported chain kind: %T", chainKind))
+		case *ChainRaw:
+			mgrpc.SetKind(chainKind.ToGRPCMessage().(*apemanager.Chain_Raw))
+		}
+	}
+
+	return mgrpc
+}
+
+func (v2 *Chain) FromGRPCMessage(m grpc.Message) error {
+	mgrpc, ok := m.(*apemanager.Chain)
+	if !ok {
+		return message.NewUnexpectedMessageType(m, mgrpc)
+	}
+
+	switch chainKind := mgrpc.GetKind().(type) {
+	default:
+		return fmt.Errorf("unsupported chain kind: %T", chainKind)
+	case *apemanager.Chain_Raw:
+		chainRaw := new(ChainRaw)
+		if err := chainRaw.FromGRPCMessage(chainKind); err != nil {
+			return err
+		}
+		v2.SetKind(chainRaw)
+	}
+
+	return nil
+}
+
+func (reqBody *AddChainRequestBody) ToGRPCMessage() grpc.Message {
+	var reqBodygrpc *apemanager.AddChainRequest_Body
+
+	if reqBody != nil {
+		reqBodygrpc = new(apemanager.AddChainRequest_Body)
+
+		reqBodygrpc.SetTarget(reqBody.GetTarget().ToGRPCMessage().(*apemanager.ChainTarget))
+		reqBodygrpc.SetChain(reqBody.GetChain().ToGRPCMessage().(*apemanager.Chain))
+	}
+
+	return reqBodygrpc
+}
+
+func (reqBody *AddChainRequestBody) FromGRPCMessage(m grpc.Message) error {
+	reqBodygrpc, ok := m.(*apemanager.AddChainRequest_Body)
+	if !ok {
+		return message.NewUnexpectedMessageType(m, reqBodygrpc)
+	}
+
+	if targetgrpc := reqBodygrpc.GetTarget(); targetgrpc != nil {
+		reqBody.target = new(ChainTarget)
+		if err := reqBody.target.FromGRPCMessage(targetgrpc); err != nil {
+			return err
+		}
+	}
+
+	if chaingrpc := reqBodygrpc.GetChain(); chaingrpc != nil {
+		reqBody.chain = new(Chain)
+		if err := reqBody.GetChain().FromGRPCMessage(chaingrpc); err != nil {
+			return err
+		}
+	}
+
+	return nil
+}
+
+func (req *AddChainRequest) ToGRPCMessage() grpc.Message {
+	var reqgrpc *apemanager.AddChainRequest
+
+	if req != nil {
+		reqgrpc = new(apemanager.AddChainRequest)
+
+		reqgrpc.SetBody(req.GetBody().ToGRPCMessage().(*apemanager.AddChainRequest_Body))
+		req.RequestHeaders.ToMessage(reqgrpc)
+	}
+
+	return reqgrpc
+}
+
+func (req *AddChainRequest) FromGRPCMessage(m grpc.Message) error {
+	reqgrpc, ok := m.(*apemanager.AddChainRequest)
+	if !ok {
+		return message.NewUnexpectedMessageType(m, reqgrpc)
+	}
+
+	if reqBodygrpc := reqgrpc.GetBody(); reqBodygrpc != nil {
+		req.body = new(AddChainRequestBody)
+		if err := req.body.FromGRPCMessage(reqBodygrpc); err != nil {
+			return err
+		}
+	}
+
+	return req.RequestHeaders.FromMessage(reqgrpc)
+}
+
+func (respBody *AddChainResponseBody) ToGRPCMessage() grpc.Message {
+	var respBodygrpc *apemanager.AddChainResponse_Body
+
+	if respBody != nil {
+		respBodygrpc = new(apemanager.AddChainResponse_Body)
+
+		respBodygrpc.SetChainID(respBody.GetChainID())
+	}
+
+	return respBodygrpc
+}
+
+func (respBody *AddChainResponseBody) FromGRPCMessage(m grpc.Message) error {
+	respBodygrpc, ok := m.(*apemanager.AddChainResponse_Body)
+	if !ok {
+		return message.NewUnexpectedMessageType(m, respBodygrpc)
+	}
+
+	respBody.SetChainID(respBodygrpc.GetChainId())
+
+	return nil
+}
+
+func (resp *AddChainResponse) ToGRPCMessage() grpc.Message {
+	var respgrpc *apemanager.AddChainResponse
+
+	if resp != nil {
+		respgrpc = new(apemanager.AddChainResponse)
+
+		respgrpc.SetBody(resp.body.ToGRPCMessage().(*apemanager.AddChainResponse_Body))
+		resp.ResponseHeaders.ToMessage(respgrpc)
+	}
+
+	return respgrpc
+}
+
+func (resp *AddChainResponse) FromGRPCMessage(m grpc.Message) error {
+	respgrpc, ok := m.(*apemanager.AddChainResponse)
+	if !ok {
+		return message.NewUnexpectedMessageType(m, respgrpc)
+	}
+
+	if respBodygrpc := respgrpc.GetBody(); respBodygrpc != nil {
+		resp.body = new(AddChainResponseBody)
+		if err := resp.body.FromGRPCMessage(respBodygrpc); err != nil {
+			return err
+		}
+	}
+
+	return resp.ResponseHeaders.FromMessage(respgrpc)
+}
+
+func (reqBody *RemoveChainRequestBody) ToGRPCMessage() grpc.Message {
+	var reqBodygrpc *apemanager.RemoveChainRequest_Body
+
+	if reqBody != nil {
+		reqBodygrpc = new(apemanager.RemoveChainRequest_Body)
+
+		reqBodygrpc.SetTarget(reqBody.target.ToGRPCMessage().(*apemanager.ChainTarget))
+		reqBodygrpc.SetChainID(reqBody.GetChainID())
+	}
+
+	return reqBodygrpc
+}
+
+func (reqBody *RemoveChainRequestBody) FromGRPCMessage(m grpc.Message) error {
+	reqBodygrpc, ok := m.(*apemanager.RemoveChainRequest_Body)
+	if !ok {
+		return message.NewUnexpectedMessageType(m, reqBodygrpc)
+	}
+
+	if targetgrpc := reqBodygrpc.GetTarget(); targetgrpc != nil {
+		reqBody.target = new(ChainTarget)
+		if err := reqBody.target.FromGRPCMessage(targetgrpc); err != nil {
+			return err
+		}
+	}
+
+	reqBody.SetChainID(reqBodygrpc.GetChainId())
+
+	return nil
+}
+
+func (req *RemoveChainRequest) ToGRPCMessage() grpc.Message {
+	var reqgrpc *apemanager.RemoveChainRequest
+
+	if req != nil {
+		reqgrpc = new(apemanager.RemoveChainRequest)
+
+		reqgrpc.SetBody(req.body.ToGRPCMessage().(*apemanager.RemoveChainRequest_Body))
+		req.RequestHeaders.ToMessage(reqgrpc)
+	}
+
+	return reqgrpc
+}
+
+func (req *RemoveChainRequest) FromGRPCMessage(m grpc.Message) error {
+	reqgrpc, ok := m.(*apemanager.RemoveChainRequest)
+	if !ok {
+		return message.NewUnexpectedMessageType(m, reqgrpc)
+	}
+
+	if reqBodygrpc := reqgrpc.GetBody(); reqBodygrpc != nil {
+		req.body = new(RemoveChainRequestBody)
+		if err := req.body.FromGRPCMessage(reqBodygrpc); err != nil {
+			return err
+		}
+	}
+
+	return req.RequestHeaders.FromMessage(reqgrpc)
+}
+
+func (respBody *RemoveChainResponseBody) ToGRPCMessage() grpc.Message {
+	var respBodygrpc *apemanager.RemoveChainResponse_Body
+
+	if respBody != nil {
+		respBodygrpc = new(apemanager.RemoveChainResponse_Body)
+	}
+
+	return respBodygrpc
+}
+
+func (respBody *RemoveChainResponseBody) FromGRPCMessage(m grpc.Message) error {
+	respBodygrpc, ok := m.(*apemanager.RemoveChainResponse_Body)
+	if !ok {
+		return message.NewUnexpectedMessageType(m, respBodygrpc)
+	}
+
+	return nil
+}
+
+func (resp *RemoveChainResponse) ToGRPCMessage() grpc.Message {
+	var respgrpc *apemanager.RemoveChainResponse
+
+	if resp != nil {
+		respgrpc = new(apemanager.RemoveChainResponse)
+
+		respgrpc.SetBody(resp.body.ToGRPCMessage().(*apemanager.RemoveChainResponse_Body))
+		resp.ResponseHeaders.ToMessage(respgrpc)
+	}
+
+	return respgrpc
+}
+
+func (resp *RemoveChainResponse) FromGRPCMessage(m grpc.Message) error {
+	respgrpc, ok := m.(*apemanager.RemoveChainResponse)
+	if !ok {
+		return message.NewUnexpectedMessageType(m, respgrpc)
+	}
+
+	if respBodygrpc := respgrpc.GetBody(); respBodygrpc != nil {
+		resp.body = new(RemoveChainResponseBody)
+		if err := resp.body.FromGRPCMessage(respBodygrpc); err != nil {
+			return err
+		}
+	}
+
+	return resp.ResponseHeaders.FromMessage(respgrpc)
+}
+
+func (reqBody *ListChainsRequestBody) ToGRPCMessage() grpc.Message {
+	var reqBodygrpc *apemanager.ListChainsRequest_Body
+
+	if reqBody != nil {
+		reqBodygrpc = new(apemanager.ListChainsRequest_Body)
+
+		reqBodygrpc.SetTarget(reqBody.target.ToGRPCMessage().(*apemanager.ChainTarget))
+	}
+
+	return reqBodygrpc
+}
+
+func (reqBody *ListChainsRequestBody) FromGRPCMessage(m grpc.Message) error {
+	reqBodygrpc, ok := m.(*apemanager.ListChainsRequest_Body)
+	if !ok {
+		return message.NewUnexpectedMessageType(m, reqBodygrpc)
+	}
+
+	if targetgrpc := reqBodygrpc.GetTarget(); targetgrpc != nil {
+		reqBody.target = new(ChainTarget)
+		if err := reqBody.target.FromGRPCMessage(targetgrpc); err != nil {
+			return err
+		}
+	}
+
+	return nil
+}
+
+func (req *ListChainsRequest) ToGRPCMessage() grpc.Message {
+	var reqgrpc *apemanager.ListChainsRequest
+
+	if req != nil {
+		reqgrpc = new(apemanager.ListChainsRequest)
+
+		reqgrpc.SetBody(req.body.ToGRPCMessage().(*apemanager.ListChainsRequest_Body))
+		req.RequestHeaders.ToMessage(reqgrpc)
+	}
+
+	return reqgrpc
+}
+
+func (req *ListChainsRequest) FromGRPCMessage(m grpc.Message) error {
+	reqgrpc, ok := m.(*apemanager.ListChainsRequest)
+	if !ok {
+		return message.NewUnexpectedMessageType(m, reqgrpc)
+	}
+
+	if reqBodygrpc := reqgrpc.GetBody(); reqBodygrpc != nil {
+		req.body = new(ListChainsRequestBody)
+		if err := req.body.FromGRPCMessage(reqBodygrpc); err != nil {
+			return err
+		}
+	}
+
+	return req.RequestHeaders.FromMessage(reqgrpc)
+}
+
+func (respBody *ListChainsResponseBody) ToGRPCMessage() grpc.Message {
+	var respBodygrpc *apemanager.ListChainsResponse_Body
+
+	if respBody != nil {
+		respBodygrpc = new(apemanager.ListChainsResponse_Body)
+
+		chainsgrpc := make([]*apemanager.Chain, 0, len(respBody.GetChains()))
+		for _, chain := range respBody.GetChains() {
+			chainsgrpc = append(chainsgrpc, chain.ToGRPCMessage().(*apemanager.Chain))
+		}
+
+		respBodygrpc.SetChains(chainsgrpc)
+	}
+
+	return respBodygrpc
+}
+
+func (respBody *ListChainsResponseBody) FromGRPCMessage(m grpc.Message) error {
+	respBodygrpc, ok := m.(*apemanager.ListChainsResponse_Body)
+	if !ok {
+		return message.NewUnexpectedMessageType(m, respBodygrpc)
+	}
+
+	chains := make([]*Chain, 0, len(respBodygrpc.GetChains()))
+
+	for _, chaingrpc := range respBodygrpc.GetChains() {
+		chain := new(Chain)
+		if err := chain.FromGRPCMessage(chaingrpc); err != nil {
+			return err
+		}
+		chains = append(chains, chain)
+	}
+
+	respBody.SetChains(chains)
+
+	return nil
+}
+
+func (resp *ListChainsResponse) ToGRPCMessage() grpc.Message {
+	var respgrpc *apemanager.ListChainsResponse
+
+	if resp != nil {
+		respgrpc = new(apemanager.ListChainsResponse)
+
+		respgrpc.SetBody(resp.body.ToGRPCMessage().(*apemanager.ListChainsResponse_Body))
+		resp.ResponseHeaders.ToMessage(respgrpc)
+	}
+
+	return respgrpc
+}
+
+func (resp *ListChainsResponse) FromGRPCMessage(m grpc.Message) error {
+	respgrpc, ok := m.(*apemanager.ListChainsResponse)
+	if !ok {
+		return message.NewUnexpectedMessageType(m, respgrpc)
+	}
+
+	if respBodygrpc := respgrpc.GetBody(); respBodygrpc != nil {
+		resp.body = new(ListChainsResponseBody)
+		if err := resp.body.FromGRPCMessage(respBodygrpc); err != nil {
+			return err
+		}
+	}
+
+	return resp.ResponseHeaders.FromMessage(respgrpc)
+}

apemanager/grpc/service.go

@@ -0,0 +1,105 @@
+package apemanager
+
+import (
+	session_grpc "git.frostfs.info/TrueCloudLab/frostfs-api-go/v2/session/grpc"
+)
+
+func (rb *AddChainRequest_Body) SetTarget(t *ChainTarget) {
+	rb.Target = t
+}
+
+func (rb *AddChainRequest_Body) SetChain(chain *Chain) {
+	rb.Chain = chain
+}
+
+func (r *AddChainRequest) SetBody(rb *AddChainRequest_Body) {
+	r.Body = rb
+}
+
+func (r *AddChainRequest) SetMetaHeader(mh *session_grpc.RequestMetaHeader) {
+	r.MetaHeader = mh
+}
+
+func (r *AddChainRequest) SetVerifyHeader(vh *session_grpc.RequestVerificationHeader) {
+	r.VerifyHeader = vh
+}
+
+func (rb *AddChainResponse_Body) SetChainID(chainID []byte) {
+	rb.ChainId = chainID
+}
+
+func (r *AddChainResponse) SetBody(rb *AddChainResponse_Body) {
+	r.Body = rb
+}
+
+func (r *AddChainResponse) SetMetaHeader(mh *session_grpc.ResponseMetaHeader) {
+	r.MetaHeader = mh
+}
+
+func (r *AddChainResponse) SetVerifyHeader(vh *session_grpc.ResponseVerificationHeader) {
+	r.VerifyHeader = vh
+}
+
+func (rb *RemoveChainRequest_Body) SetTarget(t *ChainTarget) {
+	rb.Target = t
+}
+
+func (rb *RemoveChainRequest_Body) SetChainID(chainID []byte) {
+	rb.ChainId = chainID
+}
+
+func (r *RemoveChainRequest) SetBody(rb *RemoveChainRequest_Body) {
+	r.Body = rb
+}
+
+func (r *RemoveChainRequest) SetMetaHeader(mh *session_grpc.RequestMetaHeader) {
+	r.MetaHeader = mh
+}
+
+func (r *RemoveChainRequest) SetVerifyHeader(vh *session_grpc.RequestVerificationHeader) {
+	r.VerifyHeader = vh
+}
+
+func (r *RemoveChainResponse) SetBody(rb *RemoveChainResponse_Body) {
+	r.Body = rb
+}
+
+func (r *RemoveChainResponse) SetMetaHeader(mh *session_grpc.ResponseMetaHeader) {
+	r.MetaHeader = mh
+}
+
+func (r *RemoveChainResponse) SetVerifyHeader(vh *session_grpc.ResponseVerificationHeader) {
+	r.VerifyHeader = vh
+}
+
+func (r *ListChainsRequest_Body) SetTarget(t *ChainTarget) {
+	r.Target = t
+}
+
+func (r *ListChainsRequest) SetBody(rb *ListChainsRequest_Body) {
+	r.Body = rb
+}
+
+func (r *ListChainsRequest) SetMetaHeader(mh *session_grpc.RequestMetaHeader) {
+	r.MetaHeader = mh
+}
+
+func (r *ListChainsRequest) SetVerifyHeader(vh *session_grpc.RequestVerificationHeader) {
+	r.VerifyHeader = vh
+}
+
+func (rb *ListChainsResponse_Body) SetChains(chains []*Chain) {
+	rb.Chains = chains
+}
+
+func (r *ListChainsResponse) SetBody(rb *ListChainsResponse_Body) {
+	r.Body = rb
+}
+
+func (r *ListChainsResponse) SetMetaHeader(mh *session_grpc.ResponseMetaHeader) {
+	r.MetaHeader = mh
+}
+
+func (r *ListChainsResponse) SetVerifyHeader(vh *session_grpc.ResponseVerificationHeader) {
+	r.VerifyHeader = vh
+}

apemanager/grpc/types.go

@@ -0,0 +1,21 @@
+package apemanager
+
+func (t *ChainTarget) SetType(typ TargetType) {
+	t.Type = typ
+}
+
+func (t *ChainTarget) SetName(name string) {
+	t.Name = name
+}
+
+func (c *Chain) SetKind(kind isChain_Kind) {
+	c.Kind = kind
+}
+
+func (cr *Chain_Raw) SetRaw(raw []byte) {
+	cr.Raw = raw
+}
+
+func (cr *Chain_Raw) GetRaw() []byte {
+	return cr.Raw
+}

apemanager/json.go

@@ -0,0 +1,14 @@
+package apemanager
+
+import (
+	apemanager_grpc "git.frostfs.info/TrueCloudLab/frostfs-api-go/v2/apemanager/grpc"
+	"git.frostfs.info/TrueCloudLab/frostfs-api-go/v2/rpc/message"
+)
+
+func (t *ChainTarget) MarshalJSON() ([]byte, error) {
+	return message.MarshalJSON(t)
+}
+
+func (t *ChainTarget) UnmarshalJSON(data []byte) error {
+	return message.UnmarshalJSON(t, data, new(apemanager_grpc.ChainTarget))
+}

apemanager/marshal.go

@@ -0,0 +1,288 @@
+package apemanager
+
+import (
+	"fmt"
+
+	apemanager "git.frostfs.info/TrueCloudLab/frostfs-api-go/v2/apemanager/grpc"
+	"git.frostfs.info/TrueCloudLab/frostfs-api-go/v2/rpc/message"
+	"git.frostfs.info/TrueCloudLab/frostfs-api-go/v2/util/proto"
+)
+
+const (
+	chainTargetTargetTypeField = 1
+	chainTargetNameField       = 2
+
+	chainRawField = 1
+
+	addChainReqBodyTargetField = 1
+	addChainReqBodyChainField  = 2
+
+	addChainRespBodyChainIDField = 1
+
+	removeChainReqBodyTargetField = 1
+	removeChainReqBodyChainField  = 2
+
+	/*
+		Fields for RemoveResponseBody are missed since RemoveResponseBody is empty.
+	*/
+
+	listChainsReqBodyTargetField = 1
+
+	listChainsRespBodyChainsField = 1
+)
+
+func (t *ChainTarget) StableSize() (size int) {
+	if t == nil {
+		return 0
+	}
+
+	size += proto.EnumSize(chainTargetTargetTypeField, int32(t.targeType))
+	size += proto.StringSize(chainTargetNameField, t.name)
+
+	return size
+}
+
+func (t *ChainTarget) StableMarshal(buf []byte) []byte {
+	if t == nil {
+		return []byte{}
+	}
+
+	if buf == nil {
+		buf = make([]byte, t.StableSize())
+	}
+
+	var offset int
+
+	offset += proto.EnumMarshal(chainTargetTargetTypeField, buf[offset:], int32(t.targeType))
+	proto.StringMarshal(chainTargetNameField, buf[offset:], t.name)
+
+	return buf
+}
+
+func (t *ChainTarget) Unmarshal(data []byte) error {
+	return message.Unmarshal(t, data, new(apemanager.ChainTarget))
+}
+
+func (c *Chain) StableSize() (size int) {
+	if c == nil {
+		return 0
+	}
+
+	switch v := c.GetKind().(type) {
+	case *ChainRaw:
+		if v != nil {
+			size += proto.BytesSize(chainRawField, v.GetRaw())
+		}
+	default:
+		panic(fmt.Sprintf("unsupported chain kind: %T", v))
+	}
+
+	return size
+}
+
+func (c *Chain) StableMarshal(buf []byte) []byte {
+	if c == nil {
+		return []byte{}
+	}
+
+	if buf == nil {
+		buf = make([]byte, c.StableSize())
+	}
+
+	var offset int
+
+	switch v := c.GetKind().(type) {
+	case *ChainRaw:
+		if v != nil {
+			proto.BytesMarshal(chainRawField, buf[offset:], v.GetRaw())
+		}
+	default:
+		panic(fmt.Sprintf("unsupported chain kind: %T", v))
+	}
+
+	return buf
+}
+
+func (c *Chain) Unmarshal(data []byte) error {
+	return message.Unmarshal(c, data, new(apemanager.Chain))
+}
+
+func (rb *AddChainRequestBody) StableSize() (size int) {
+	if rb == nil {
+		return 0
+	}
+
+	size += proto.NestedStructureSize(addChainReqBodyTargetField, rb.target)
+	size += proto.NestedStructureSize(addChainReqBodyChainField, rb.chain)
+
+	return size
+}
+
+func (rb *AddChainRequestBody) StableMarshal(buf []byte) []byte {
+	if rb == nil {
+		return []byte{}
+	}
+
+	if buf == nil {
+		buf = make([]byte, rb.StableSize())
+	}
+
+	var offset int
+
+	offset += proto.NestedStructureMarshal(addChainReqBodyTargetField, buf[offset:], rb.target)
+	proto.NestedStructureMarshal(addChainReqBodyChainField, buf[offset:], rb.chain)
+
+	return buf
+}
+
+func (rb *AddChainRequestBody) Unmarshal(data []byte) error {
+	return message.Unmarshal(rb, data, new(apemanager.AddChainRequest_Body))
+}
+
+func (rb *AddChainResponseBody) StableSize() (size int) {
+	if rb == nil {
+		return 0
+	}
+
+	size += proto.BytesSize(addChainRespBodyChainIDField, rb.chainID)
+
+	return size
+}
+
+func (rb *AddChainResponseBody) StableMarshal(buf []byte) []byte {
+	if rb == nil {
+		return []byte{}
+	}
+
+	if buf == nil {
+		buf = make([]byte, rb.StableSize())
+	}
+
+	var offset int
+
+	proto.BytesMarshal(addChainRespBodyChainIDField, buf[offset:], rb.chainID)
+
+	return buf
+}
+
+func (rb *AddChainResponseBody) Unmarshal(data []byte) error {
+	return message.Unmarshal(rb, data, new(apemanager.AddChainResponse_Body))
+}
+
+func (rb *RemoveChainRequestBody) StableSize() (size int) {
+	if rb == nil {
+		return 0
+	}
+
+	size += proto.NestedStructureSize(addChainReqBodyTargetField, rb.target)
+	size += proto.BytesSize(addChainReqBodyChainField, rb.chainID)
+
+	return size
+}
+
+func (rb *RemoveChainRequestBody) StableMarshal(buf []byte) []byte {
+	if rb == nil {
+		return []byte{}
+	}
+
+	if buf == nil {
+		buf = make([]byte, rb.StableSize())
+	}
+
+	var offset int
+
+	offset += proto.NestedStructureMarshal(removeChainReqBodyTargetField, buf[offset:], rb.target)
+	proto.BytesMarshal(removeChainReqBodyChainField, buf[offset:], rb.chainID)
+
+	return buf
+}
+
+func (rb *RemoveChainRequestBody) Unmarshal(data []byte) error {
+	return message.Unmarshal(rb, data, new(apemanager.RemoveChainRequest_Body))
+}
+
+func (rb *RemoveChainResponseBody) StableSize() (size int) {
+	if rb == nil {
+		return 0
+	}
+
+	return size
+}
+
+func (rb *RemoveChainResponseBody) StableMarshal(buf []byte) []byte {
+	if rb == nil {
+		return []byte{}
+	}
+
+	if buf == nil {
+		buf = make([]byte, rb.StableSize())
+	}
+
+	return buf
+}
+
+func (rb *RemoveChainResponseBody) Unmarshal(data []byte) error {
+	return message.Unmarshal(rb, data, new(apemanager.RemoveChainResponse_Body))
+}
+
+func (rb *ListChainsRequestBody) StableSize() (size int) {
+	if rb == nil {
+		return 0
+	}
+
+	size += proto.NestedStructureSize(listChainsReqBodyTargetField, rb.target)
+
+	return size
+}
+
+func (rb *ListChainsRequestBody) StableMarshal(buf []byte) []byte {
+	if rb == nil {
+		return []byte{}
+	}
+
+	if buf == nil {
+		buf = make([]byte, rb.StableSize())
+	}
+
+	var offset int
+	proto.NestedStructureMarshal(addChainReqBodyTargetField, buf[offset:], rb.target)
+
+	return buf
+}
+
+func (rb *ListChainsRequestBody) Unmarshal(data []byte) error {
+	return message.Unmarshal(rb, data, new(apemanager.ListChainsRequest_Body))
+}
+
+func (rb *ListChainsResponseBody) StableSize() (size int) {
+	if rb == nil {
+		return 0
+	}
+
+	for _, chain := range rb.GetChains() {
+		size += proto.NestedStructureSize(listChainsRespBodyChainsField, chain)
+	}
+
+	return size
+}
+
+func (rb *ListChainsResponseBody) StableMarshal(buf []byte) []byte {
+	if rb == nil {
+		return []byte{}
+	}
+
+	if buf == nil {
+		buf = make([]byte, rb.StableSize())
+	}
+
+	var offset int
+	for _, chain := range rb.GetChains() {
+		offset += proto.NestedStructureMarshal(listChainsRespBodyChainsField, buf[offset:], chain)
+	}
+
+	return buf
+}
+
+func (rb *ListChainsResponseBody) Unmarshal(data []byte) error {
+	return message.Unmarshal(rb, data, new(apemanager.ListChainsResponse_Body))
+}

apemanager/message_test.go

@@ -0,0 +1,27 @@
+package apemanager_test
+
+import (
+	"testing"
+
+	apemanagertest "git.frostfs.info/TrueCloudLab/frostfs-api-go/v2/apemanager/test"
+	"git.frostfs.info/TrueCloudLab/frostfs-api-go/v2/rpc/message"
+	messagetest "git.frostfs.info/TrueCloudLab/frostfs-api-go/v2/rpc/message/test"
+)
+
+func TestMessageConvert(t *testing.T) {
+	messagetest.TestRPCMessage(t,
+		func(empty bool) message.Message { return apemanagertest.GenerateChainTarget(empty) },
+		func(empty bool) message.Message { return apemanagertest.GenerateAddChainRequestBody(empty) },
+		func(empty bool) message.Message { return apemanagertest.GenerateAddChainRequest(empty) },
+		func(empty bool) message.Message { return apemanagertest.GenerateAddChainResponseBody(empty) },
+		func(empty bool) message.Message { return apemanagertest.GenerateAddChainResponse(empty) },
+		func(empty bool) message.Message { return apemanagertest.GenerateRemoveChainRequestBody(empty) },
+		func(empty bool) message.Message { return apemanagertest.GenerateRemoveChainRequest(empty) },
+		func(empty bool) message.Message { return apemanagertest.GenerateRemoveChainResponseBody(empty) },
+		func(empty bool) message.Message { return apemanagertest.GenerateRemoveChainResponse(empty) },
+		func(empty bool) message.Message { return apemanagertest.GenerateListChainsRequestBody(empty) },
+		func(empty bool) message.Message { return apemanagertest.GenerateListChainsRequest(empty) },
+		func(empty bool) message.Message { return apemanagertest.GenerateListChainsResponseBody(empty) },
+		func(empty bool) message.Message { return apemanagertest.GenerateListChainsResponse(empty) },
+	)
+}

apemanager/status.go

@@ -0,0 +1,76 @@
+package apemanager
+
+import (
+	"git.frostfs.info/TrueCloudLab/frostfs-api-go/v2/status"
+	statusgrpc "git.frostfs.info/TrueCloudLab/frostfs-api-go/v2/status/grpc"
+)
+
+// LocalizeFailStatus checks if passed global status.Code is related to ape manager failure and:
+//
+//	then localizes the code and returns true,
+//	else leaves the code unchanged and returns false.
+//
+// Arg must be non-nil.
+func LocalizeFailStatus(c *status.Code) bool {
+	return status.LocalizeIfInSection(c, uint32(statusgrpc.Section_SECTION_APE_MANAGER))
+}
+
+// GlobalizeFail globalizes local code of ape manager failure.
+//
+// Arg must be non-nil.
+func GlobalizeFail(c *status.Code) {
+	c.GlobalizeSection(uint32(statusgrpc.Section_SECTION_APE_MANAGER))
+}
+
+const (
+	// StatusAPEManagerAccessDenied is a local status.Code value for
+	// ACCESS_DENIED ape manager failure.
+	StatusAPEManagerAccessDenied status.Code = iota
+)
+
+const (
+	// detailAccessDeniedDesc is a StatusAccessDenied detail ID for
+	// human-readable description.
+	detailAccessDeniedDesc = iota
+)
+
+// WriteAccessDeniedDesc writes human-readable description of StatusAccessDenied
+// into status.Status as a detail. The status must not be nil.
+//
+// Existing details are expected to be ID-unique, otherwise undefined behavior.
+func WriteAccessDeniedDesc(st *status.Status, desc string) {
+	var found bool
+
+	st.IterateDetails(func(d *status.Detail) bool {
+		if d.ID() == detailAccessDeniedDesc {
+			found = true
+			d.SetValue([]byte(desc))
+		}
+
+		return found
+	})
+
+	if !found {
+		var d status.Detail
+
+		d.SetID(detailAccessDeniedDesc)
+		d.SetValue([]byte(desc))
+
+		st.AppendDetails(d)
+	}
+}
+
+// ReadAccessDeniedDesc looks up for status detail with human-readable description
+// of StatusAccessDenied. Returns empty string if detail is missing.
+func ReadAccessDeniedDesc(st status.Status) (desc string) {
+	st.IterateDetails(func(d *status.Detail) bool {
+		if d.ID() == detailAccessDeniedDesc {
+			desc = string(d.Value())
+			return true
+		}
+
+		return false
+	})
+
+	return
+}

apemanager/status_test.go

@@ -0,0 +1,30 @@
+package apemanager_test
+
+import (
+	"testing"
+
+	"git.frostfs.info/TrueCloudLab/frostfs-api-go/v2/apemanager"
+	"git.frostfs.info/TrueCloudLab/frostfs-api-go/v2/status"
+	statustest "git.frostfs.info/TrueCloudLab/frostfs-api-go/v2/status/test"
+	"github.com/stretchr/testify/require"
+)
+
+func TestStatusCodes(t *testing.T) {
+	statustest.TestCodes(t, apemanager.LocalizeFailStatus, apemanager.GlobalizeFail,
+		apemanager.StatusAPEManagerAccessDenied, 5120,
+	)
+}
+
+func TestAccessDeniedDesc(t *testing.T) {
+	var st status.Status
+
+	require.Empty(t, apemanager.ReadAccessDeniedDesc(st))
+
+	const desc = "some description"
+
+	apemanager.WriteAccessDeniedDesc(&st, desc)
+	require.Equal(t, desc, apemanager.ReadAccessDeniedDesc(st))
+
+	apemanager.WriteAccessDeniedDesc(&st, desc+"1")
+	require.Equal(t, desc+"1", apemanager.ReadAccessDeniedDesc(st))
+}

apemanager/string.go

@@ -0,0 +1,18 @@
+package apemanager
+
+import (
+	apemanager_grpc "git.frostfs.info/TrueCloudLab/frostfs-api-go/v2/apemanager/grpc"
+)
+
+func (tt TargetType) String() string {
+	return TargetTypeToGRPCField(tt).String()
+}
+
+func (tt *TargetType) FromString(s string) bool {
+	i, ok := apemanager_grpc.TargetType_value[s]
+	if ok {
+		*tt = TargetType(i)
+	}
+
+	return ok
+}

apemanager/test/generate.go

@@ -0,0 +1,208 @@
+package apemanagertest
+
+import (
+	"git.frostfs.info/TrueCloudLab/frostfs-api-go/v2/apemanager"
+	sessiontest "git.frostfs.info/TrueCloudLab/frostfs-api-go/v2/session/test"
+)
+
+func generateChainID(empty bool) []byte {
+	if empty {
+		return []byte{}
+	}
+
+	return []byte("616c6c6f774f626a476574436e72")
+}
+
+func generateRawChains(empty bool, n int) []*apemanager.Chain {
+	if empty {
+		return []*apemanager.Chain{}
+	}
+
+	res := make([]*apemanager.Chain, n)
+	for i := range res {
+		res[i] = generateRawChain(empty)
+	}
+	return res
+}
+
+func generateRawChain(empty bool) *apemanager.Chain {
+	chRaw := new(apemanager.ChainRaw)
+
+	if empty {
+		chRaw.SetRaw([]byte("{}"))
+	} else {
+		chRaw.SetRaw([]byte(`{
+			"ID": "",
+			"Rules": [
+			  {
+				"Status": "Allow",
+				"Actions": {
+				  "Inverted": false,
+				  "Names": [
+					"GetObject"
+				  ]
+				},
+				"Resources": {
+				  "Inverted": false,
+				  "Names": [
+					"native:object/*"
+				  ]
+				},
+				"Any": false,
+				"Condition": [
+				  {
+					"Op": "StringEquals",
+					"Object": "Resource",
+					"Key": "Department",
+					"Value": "HR"
+				  }
+				]
+			  }
+			],
+			"MatchType": "DenyPriority"
+			}`))
+	}
+
+	ch := new(apemanager.Chain)
+	ch.SetKind(chRaw)
+	return ch
+}
+
+func GenerateChainTarget(empty bool) *apemanager.ChainTarget {
+	m := new(apemanager.ChainTarget)
+
+	if !empty {
+		m.SetTargetType(apemanager.TargetTypeContainer)
+		m.SetName("BzQw5HH3feoxFDD5tCT87Y1726qzgLfxEE7wgtoRzB3R")
+	}
+
+	return m
+}
+
+func GenerateAddChainRequestBody(empty bool) *apemanager.AddChainRequestBody {
+	m := new(apemanager.AddChainRequestBody)
+
+	if !empty {
+		m.SetTarget(GenerateChainTarget(empty))
+		m.SetChain(generateRawChain(empty))
+	}
+
+	return m
+}
+
+func GenerateAddChainRequest(empty bool) *apemanager.AddChainRequest {
+	m := new(apemanager.AddChainRequest)
+
+	if !empty {
+		m.SetBody(GenerateAddChainRequestBody(empty))
+		m.SetMetaHeader(sessiontest.GenerateRequestMetaHeader(empty))
+		m.SetVerificationHeader(sessiontest.GenerateRequestVerificationHeader(empty))
+	}
+
+	return m
+}
+
+func GenerateAddChainResponseBody(empty bool) *apemanager.AddChainResponseBody {
+	m := new(apemanager.AddChainResponseBody)
+
+	if !empty {
+		m.SetChainID(generateChainID(empty))
+	}
+
+	return m
+}
+
+func GenerateAddChainResponse(empty bool) *apemanager.AddChainResponse {
+	m := new(apemanager.AddChainResponse)
+
+	if !empty {
+		m.SetBody(GenerateAddChainResponseBody(empty))
+		m.SetMetaHeader(sessiontest.GenerateResponseMetaHeader(empty))
+		m.SetVerificationHeader(sessiontest.GenerateResponseVerificationHeader(empty))
+	}
+
+	return m
+}
+
+func GenerateRemoveChainRequestBody(empty bool) *apemanager.RemoveChainRequestBody {
+	m := new(apemanager.RemoveChainRequestBody)
+
+	if !empty {
+		m.SetChainID(generateChainID(empty))
+		m.SetTarget(GenerateChainTarget(empty))
+	}
+
+	return m
+}
+
+func GenerateRemoveChainRequest(empty bool) *apemanager.RemoveChainRequest {
+	m := new(apemanager.RemoveChainRequest)
+
+	if !empty {
+		m.SetBody(GenerateRemoveChainRequestBody(empty))
+		m.SetMetaHeader(sessiontest.GenerateRequestMetaHeader(empty))
+		m.SetVerificationHeader(sessiontest.GenerateRequestVerificationHeader(empty))
+	}
+
+	return m
+}
+
+func GenerateRemoveChainResponseBody(_ bool) *apemanager.RemoveChainResponseBody {
+	return new(apemanager.RemoveChainResponseBody)
+}
+
+func GenerateRemoveChainResponse(empty bool) *apemanager.RemoveChainResponse {
+	m := new(apemanager.RemoveChainResponse)
+
+	if !empty {
+		m.SetBody(GenerateRemoveChainResponseBody(empty))
+		m.SetMetaHeader(sessiontest.GenerateResponseMetaHeader(empty))
+		m.SetVerificationHeader(sessiontest.GenerateResponseVerificationHeader(empty))
+	}
+
+	return m
+}
+
+func GenerateListChainsRequestBody(empty bool) *apemanager.ListChainsRequestBody {
+	m := new(apemanager.ListChainsRequestBody)
+
+	if !empty {
+		m.SetTarget(GenerateChainTarget(empty))
+	}
+
+	return m
+}
+
+func GenerateListChainsRequest(empty bool) *apemanager.ListChainsRequest {
+	m := new(apemanager.ListChainsRequest)
+
+	if !empty {
+		m.SetBody(GenerateListChainsRequestBody(empty))
+		m.SetMetaHeader(sessiontest.GenerateRequestMetaHeader(empty))
+		m.SetVerificationHeader(sessiontest.GenerateRequestVerificationHeader(empty))
+	}
+
+	return m
+}
+
+func GenerateListChainsResponseBody(empty bool) *apemanager.ListChainsResponseBody {
+	m := new(apemanager.ListChainsResponseBody)
+
+	if !empty {
+		m.SetChains(generateRawChains(empty, 10))
+	}
+
+	return m
+}
+
+func GenerateListChainsResponse(empty bool) *apemanager.ListChainsResponse {
+	m := new(apemanager.ListChainsResponse)
+
+	if !empty {
+		m.SetBody(GenerateListChainsResponseBody(empty))
+		m.SetMetaHeader(sessiontest.GenerateResponseMetaHeader(empty))
+		m.SetVerificationHeader(sessiontest.GenerateResponseVerificationHeader(empty))
+	}
+
+	return m
+}

apemanager/types.go

@@ -0,0 +1,244 @@
+package apemanager
+
+import (
+	"git.frostfs.info/TrueCloudLab/frostfs-api-go/v2/session"
+)
+
+type TargetType uint32
+
+const (
+	TargetTypeUndefined TargetType = iota
+	TargetTypeNamespace
+	TargetTypeContainer
+	TargetTypeUser
+	TargetTypeGroup
+)
+
+type ChainTarget struct {
+	targeType TargetType
+
+	name string
+}
+
+func (ct *ChainTarget) SetTargetType(targeType TargetType) {
+	ct.targeType = targeType
+}
+
+func (ct *ChainTarget) SetName(name string) {
+	ct.name = name
+}
+
+func (ct *ChainTarget) GetTargetType() TargetType {
+	if ct != nil {
+		return ct.targeType
+	}
+
+	return 0
+}
+
+func (ct *ChainTarget) GetName() string {
+	if ct != nil {
+		return ct.name
+	}
+
+	return ""
+}
+
+type AddChainRequest struct {
+	body *AddChainRequestBody
+
+	session.RequestHeaders
+}
+
+func (r *AddChainRequest) SetBody(body *AddChainRequestBody) {
+	r.body = body
+}
+
+func (r *AddChainRequest) GetBody() *AddChainRequestBody {
+	return r.body
+}
+
+type chainKind interface {
+	isChainKind()
+}
+
+type Chain struct {
+	kind chainKind
+}
+
+func (c *Chain) SetKind(kind chainKind) {
+	c.kind = kind
+}
+
+func (c *Chain) GetKind() chainKind {
+	return c.kind
+}
+
+type ChainRaw struct {
+	Raw []byte
+}
+
+func (*ChainRaw) isChainKind() {}
+
+func (c *ChainRaw) SetRaw(raw []byte) {
+	c.Raw = raw
+}
+
+func (c *ChainRaw) GetRaw() []byte {
+	return c.Raw
+}
+
+type AddChainRequestBody struct {
+	target *ChainTarget
+
+	chain *Chain
+}
+
+func (rb *AddChainRequestBody) SetTarget(target *ChainTarget) {
+	rb.target = target
+}
+
+func (rb *AddChainRequestBody) GetTarget() *ChainTarget {
+	return rb.target
+}
+
+func (rb *AddChainRequestBody) SetChain(chain *Chain) {
+	rb.chain = chain
+}
+
+func (rb *AddChainRequestBody) GetChain() *Chain {
+	return rb.chain
+}
+
+type AddChainResponse struct {
+	body *AddChainResponseBody
+
+	session.ResponseHeaders
+}
+
+func (r *AddChainResponse) SetBody(body *AddChainResponseBody) {
+	r.body = body
+}
+
+func (r *AddChainResponse) GetBody() *AddChainResponseBody {
+	return r.body
+}
+
+type AddChainResponseBody struct {
+	chainID []byte
+}
+
+func (rb *AddChainResponseBody) SetChainID(chainID []byte) {
+	rb.chainID = chainID
+}
+
+func (rb *AddChainResponseBody) GetChainID() []byte {
+	return rb.chainID
+}
+
+type RemoveChainRequest struct {
+	body *RemoveChainRequestBody
+
+	session.RequestHeaders
+}
+
+func (r *RemoveChainRequest) SetBody(body *RemoveChainRequestBody) {
+	r.body = body
+}
+
+func (r *RemoveChainRequest) GetBody() *RemoveChainRequestBody {
+	return r.body
+}
+
+type RemoveChainRequestBody struct {
+	target *ChainTarget
+
+	chainID []byte
+}
+
+func (rb *RemoveChainRequestBody) SetTarget(target *ChainTarget) {
+	rb.target = target
+}
+
+func (rb *RemoveChainRequestBody) GetTarget() *ChainTarget {
+	return rb.target
+}
+
+func (rb *RemoveChainRequestBody) SetChainID(chainID []byte) {
+	rb.chainID = chainID
+}
+
+func (rb *RemoveChainRequestBody) GetChainID() []byte {
+	return rb.chainID
+}
+
+type RemoveChainResponse struct {
+	body *RemoveChainResponseBody
+
+	session.ResponseHeaders
+}
+
+type RemoveChainResponseBody struct {
+}
+
+func (r *RemoveChainResponse) SetBody(body *RemoveChainResponseBody) {
+	r.body = body
+}
+
+func (r *RemoveChainResponse) GetBody() *RemoveChainResponseBody {
+	return r.body
+}
+
+type ListChainsRequest struct {
+	body *ListChainsRequestBody
+
+	session.RequestHeaders
+}
+
+func (r *ListChainsRequest) SetBody(body *ListChainsRequestBody) {
+	r.body = body
+}
+
+func (r *ListChainsRequest) GetBody() *ListChainsRequestBody {
+	return r.body
+}
+
+type ListChainsRequestBody struct {
+	target *ChainTarget
+}
+
+func (rb *ListChainsRequestBody) SetTarget(target *ChainTarget) {
+	rb.target = target
+}
+
+func (rb *ListChainsRequestBody) GetTarget() *ChainTarget {
+	return rb.target
+}
+
+type ListChainsResponse struct {
+	body *ListChainsResponseBody
+
+	session.ResponseHeaders
+}
+
+func (r *ListChainsResponse) SetBody(body *ListChainsResponseBody) {
+	r.body = body
+}
+
+func (r *ListChainsResponse) GetBody() *ListChainsResponseBody {
+	return r.body
+}
+
+type ListChainsResponseBody struct {
+	chains []*Chain
+
+	session.RequestHeaders
+}
+
+func (r *ListChainsResponseBody) SetChains(chains []*Chain) {
+	r.chains = chains
+}
+
+func (r *ListChainsResponseBody) GetChains() []*Chain {
+	return r.chains
+}

rpc/apemanager.go

@@ -0,0 +1,60 @@
+package rpc
+
+import (
+	"git.frostfs.info/TrueCloudLab/frostfs-api-go/v2/apemanager"
+	"git.frostfs.info/TrueCloudLab/frostfs-api-go/v2/rpc/client"
+	"git.frostfs.info/TrueCloudLab/frostfs-api-go/v2/rpc/common"
+)
+
+const serviceAPEManager = serviceNamePrefix + "apemanager.APEManagerService"
+
+const (
+	rpcAPEManagerAddChain    = "AddChain"
+	rpcAPEManagerRemoveChain = "RemoveChain"
+	rpcAPEManagerListChains  = "ListChains"
+)
+
+func AddChain(
+	cli *client.Client,
+	req *apemanager.AddChainRequest,
+	opts ...client.CallOption,
+) (*apemanager.AddChainResponse, error) {
+	resp := new(apemanager.AddChainResponse)
+
+	err := client.SendUnary(cli, common.CallMethodInfoUnary(serviceAPEManager, rpcAPEManagerAddChain), req, resp, opts...)
+	if err != nil {
+		return nil, err
+	}
+
+	return resp, nil
+}
+
+func RemoveChain(
+	cli *client.Client,
+	req *apemanager.RemoveChainRequest,
+	opts ...client.CallOption,
+) (*apemanager.RemoveChainResponse, error) {
+	resp := new(apemanager.RemoveChainResponse)
+
+	err := client.SendUnary(cli, common.CallMethodInfoUnary(serviceAPEManager, rpcAPEManagerRemoveChain), req, resp, opts...)
+	if err != nil {
+		return nil, err
+	}
+
+	return resp, nil
+}
+
+func ListChains(
+	cli *client.Client,
+	req *apemanager.ListChainsRequest,
+	opts ...client.CallOption,
+) (*apemanager.ListChainsResponse, error) {
+	resp := new(apemanager.ListChainsResponse)
+
+	err := client.SendUnary(cli, common.CallMethodInfoUnary(serviceAPEManager, rpcAPEManagerListChains), req, resp, opts...)
+	if err != nil {
+		return nil, err
+	}
+
+	return resp, nil
+}

signature/body.go

@@ -4,6 +4,7 @@ import (
 	"fmt"
 
 	"git.frostfs.info/TrueCloudLab/frostfs-api-go/v2/accounting"
+	"git.frostfs.info/TrueCloudLab/frostfs-api-go/v2/apemanager"
 	"git.frostfs.info/TrueCloudLab/frostfs-api-go/v2/container"
 	"git.frostfs.info/TrueCloudLab/frostfs-api-go/v2/netmap"
 	"git.frostfs.info/TrueCloudLab/frostfs-api-go/v2/object"
@@ -105,5 +106,19 @@ func serviceMessageBody(req any) stableMarshaler {
 		return v.GetBody()
 	case *netmap.SnapshotResponse:
 		return v.GetBody()
+
+		/* APEManager */
+	case *apemanager.AddChainRequest:
+		return v.GetBody()
+	case *apemanager.AddChainResponse:
+		return v.GetBody()
+	case *apemanager.RemoveChainRequest:
+		return v.GetBody()
+	case *apemanager.RemoveChainResponse:
+		return v.GetBody()
+	case *apemanager.ListChainsRequest:
+		return v.GetBody()
+	case *apemanager.ListChainsResponse:
+		return v.GetBody()
 	}
 }