assorted changes required to remove gogo

.circleci/config.yml

@@ -232,6 +232,7 @@ jobs:
             wget https://github.com/protocolbuffers/protobuf/releases/download/v3.12.3/protoc-3.12.3-linux-x86_64.zip
             sudo unzip -d /usr/local protoc-*.zip
             sudo chmod +x /usr/local/bin/protoc
+            sudo chmod -R a+Xr /usr/local/include/google/
             rm protoc-*.zip
       - run:
           name: Install gogo/protobuf
@@ -239,6 +240,8 @@ jobs:
             gogo_version=$(go list -m github.com/gogo/protobuf | awk '{print $2}')
             go install -v github.com/hashicorp/protoc-gen-go-binary@master
             go install -v github.com/gogo/protobuf/protoc-gen-gofast@${gogo_version}
+            go install -v github.com/favadi/protoc-go-inject-tag@v1.3.0
+            go install -v github.com/golang/protobuf/protoc-gen-go@v1.3.5
 
       - run:
           command: make --always-make proto

agent/http.go

@@ -31,7 +31,7 @@ import (
 	"github.com/hashicorp/consul/api"
 	"github.com/hashicorp/consul/lib"
 	"github.com/hashicorp/consul/logging"
-	"github.com/hashicorp/consul/proto/pbcommongogo"
+	"github.com/hashicorp/consul/proto/pbcommon"
 )
 
 var HTTPSummaries = []prometheus.SummaryDefinition{
@@ -781,7 +781,7 @@ func setLastContact(resp http.ResponseWriter, last time.Duration) {
 }
 
 // setMeta is used to set the query response meta data
-func setMeta(resp http.ResponseWriter, m structs.QueryMetaCompat) error {
+func setMeta(resp http.ResponseWriter, m *structs.QueryMeta) error {
 	lastContact, err := m.GetLastContact()
 	if err != nil {
 		return err
@@ -981,7 +981,7 @@ func (s *HTTPHandlers) parseConsistency(resp http.ResponseWriter, req *http.Requ
 }
 
 // parseConsistencyReadRequest is used to parse the ?consistent query param.
-func parseConsistencyReadRequest(resp http.ResponseWriter, req *http.Request, b *pbcommongogo.ReadRequest) {
+func parseConsistencyReadRequest(resp http.ResponseWriter, req *http.Request, b *pbcommon.ReadRequest) {
 	query := req.URL.Query()
 	if _, ok := query["consistent"]; ok {
 		b.RequireConsistent = true

agent/structs/protobuf_compat.go

@@ -32,23 +32,6 @@ type QueryOptionsCompat interface {
 	SetFilter(string)
 }
 
-// QueryMetaCompat is the interface that both the structs.QueryMeta
-// and the proto/pbcommongogo.QueryMeta structs need to implement so that they
-// can be operated on interchangeably
-type QueryMetaCompat interface {
-	GetLastContact() (time.Duration, error)
-	SetLastContact(time.Duration)
-	GetKnownLeader() bool
-	SetKnownLeader(bool)
-	GetIndex() uint64
-	SetIndex(uint64)
-	GetConsistencyLevel() string
-	SetConsistencyLevel(string)
-	GetBackend() QueryBackend
-	GetResultsFilteredByACLs() bool
-	SetResultsFilteredByACLs(bool)
-}
-
 // GetToken helps implement the QueryOptionsCompat interface
 // Copied from proto/pbcommongogo/common.pb.go
 func (m *QueryOptions) GetToken() string {

agent/structs/structs.go

@@ -16,6 +16,7 @@ import (
 	"strings"
 	"time"
 
+	"github.com/golang/protobuf/proto"
 	"github.com/hashicorp/consul-net-rpc/go-msgpack/codec"
 	"github.com/hashicorp/go-multierror"
 	"github.com/hashicorp/serf/coordinate"
@@ -2575,13 +2576,17 @@ type ProtoMarshaller interface {
 
 func EncodeProtoInterface(t MessageType, message interface{}) ([]byte, error) {
 	if marshaller, ok := message.(ProtoMarshaller); ok {
+		return EncodeProtoGogo(t, marshaller)
+	}
+
+	if marshaller, ok := message.(proto.Message); ok {
 		return EncodeProto(t, marshaller)
 	}
 
 	return nil, fmt.Errorf("message does not implement the ProtoMarshaller interface: %T", message)
 }
 
-func EncodeProto(t MessageType, message ProtoMarshaller) ([]byte, error) {
+func EncodeProtoGogo(t MessageType, message ProtoMarshaller) ([]byte, error) {
 	data := make([]byte, message.Size()+1)
 	data[0] = uint8(t)
 	if _, err := message.MarshalTo(data[1:]); err != nil {
@@ -2590,7 +2595,24 @@ func EncodeProto(t MessageType, message ProtoMarshaller) ([]byte, error) {
 	return data, nil
 }
 
-func DecodeProto(buf []byte, out ProtoMarshaller) error {
+func EncodeProto(t MessageType, pb proto.Message) ([]byte, error) {
+	data := make([]byte, proto.Size(pb)+1)
+	data[0] = uint8(t)
+
+	buf := proto.NewBuffer(data[1:1])
+	if err := buf.Marshal(pb); err != nil {
+		return nil, err
+	}
+
+	return data, nil
+}
+
+func DecodeProto(buf []byte, pb proto.Message) error {
+	// Note that this assumes the leading byte indicating the type as already been stripped off.
+	return proto.Unmarshal(buf, pb)
+}
+
+func DecodeProtoGogo(buf []byte, out ProtoMarshaller) error {
 	// Note that this assumes the leading byte indicating the type as already been stripped off.
 	return out.Unmarshal(buf)
 }
@@ -2720,3 +2742,9 @@ func TimeToProto(s time.Time) *timestamp.Timestamp {
 	ret, _ := ptypes.TimestampProto(s)
 	return ret
 }
+
+// IsZeroProtoTime returns true if the time is the minimum protobuf timestamp
+// (the Unix epoch).
+func IsZeroProtoTime(t *timestamp.Timestamp) bool {
+	return t.Seconds == 0 && t.Nanos == 0
+}

build-support/scripts/proto-gen-no-gogo.sh

@@ -68,6 +68,8 @@ function main {
       return 1
    fi
 
+   go mod download
+
    local golang_proto_path=$(go list -f '{{ .Dir }}' -m github.com/golang/protobuf)
    local golang_proto_mod_path=$(sed -e 's,\(.*\)github.com.*,\1,' <<< "${golang_proto_path}")
 
@@ -100,6 +102,13 @@ function main {
    #  -I="${golang_proto_path}/protobuf" \
    local -i ret=0
    status_stage "Generating ${proto_path} into ${proto_go_path} and ${proto_go_bin_path} (NO GOGO)"
+    echo "debug_run protoc \
+          -I=\"${golang_proto_path}\" \
+          -I=\"${golang_proto_mod_path}\" \
+          -I=\"${SOURCE_DIR}\" \
+          --go_out=\"${go_proto_out}${SOURCE_DIR}\" \
+          --go-binary_out=\"${SOURCE_DIR}\" \
+          \"${proto_path}\""
    debug_run protoc \
       -I="${golang_proto_path}" \
       -I="${golang_proto_mod_path}" \
@@ -107,9 +116,22 @@ function main {
       --go_out="${go_proto_out}${SOURCE_DIR}" \
       --go-binary_out="${SOURCE_DIR}" \
       "${proto_path}"
+
+   if test $? -ne 0
+   then
+      err "Failed to run protoc for ${proto_path}"
+      return 1
+   fi
+
    debug_run protoc-go-inject-tag \
    	   -input="${proto_go_path}"
 
+   if test $? -ne 0
+   then
+      err "Failed to run protoc-go-inject-tag for ${proto_path}"
+      return 1
+   fi
+
     echo "debug_run protoc \
           -I=\"${golang_proto_path}\" \
           -I=\"${golang_proto_mod_path}\" \
@@ -117,11 +139,6 @@ function main {
           --go_out=\"${go_proto_out}${SOURCE_DIR}\" \
           --go-binary_out=\"${SOURCE_DIR}\" \
           \"${proto_path}\""
-   if test $? -ne 0
-   then
-      err "Failed to generate outputs from ${proto_path}"
-      return 1
-   fi
 
    BUILD_TAGS=$(sed -e '/^[[:space:]]*$/,$d' < "${proto_path}" | grep '// +build')
    if test -n "${BUILD_TAGS}"

proto/pbcommon/common.gen.go

@@ -68,3 +68,15 @@ func RaftIndexFromStructs(t *structs.RaftIndex, s *RaftIndex) {
 	s.CreateIndex = t.CreateIndex
 	s.ModifyIndex = t.ModifyIndex
 }
+func WriteRequestToStructs(s *WriteRequest, t *structs.WriteRequest) {
+	if s == nil {
+		return
+	}
+	t.Token = s.Token
+}
+func WriteRequestFromStructs(t *structs.WriteRequest, s *WriteRequest) {
+	if s == nil {
+		return
+	}
+	s.Token = t.Token
+}

proto/pbcommon/common.go

@@ -88,35 +88,6 @@ func (q *QueryOptions) SetFilter(filter string) {
 	q.Filter = filter
 }
 
-// SetLastContact is needed to implement the structs.QueryMetaCompat interface
-func (q *QueryMeta) SetLastContact(lastContact time.Duration) {
-	q.LastContact = structs.DurationToProto(lastContact)
-}
-
-// SetKnownLeader is needed to implement the structs.QueryMetaCompat interface
-func (q *QueryMeta) SetKnownLeader(knownLeader bool) {
-	q.KnownLeader = knownLeader
-}
-
-// SetIndex is needed to implement the structs.QueryMetaCompat interface
-func (q *QueryMeta) SetIndex(index uint64) {
-	q.Index = index
-}
-
-// SetConsistencyLevel is needed to implement the structs.QueryMetaCompat interface
-func (q *QueryMeta) SetConsistencyLevel(consistencyLevel string) {
-	q.ConsistencyLevel = consistencyLevel
-}
-
-func (q *QueryMeta) GetBackend() structs.QueryBackend {
-	return structs.QueryBackend(0)
-}
-
-// SetResultsFilteredByACLs is needed to implement the structs.QueryMetaCompat interface
-func (q *QueryMeta) SetResultsFilteredByACLs(v bool) {
-	q.ResultsFilteredByACLs = v
-}
-
 // WriteRequest only applies to writes, always false
 //
 // IsRead implements structs.RPCInfo

proto/pbcommon/common.pb.go

@@ -120,6 +120,12 @@ func (m *TargetDatacenter) GetDatacenter() string {
 	return ""
 }
 
+// mog annotation:
+//
+// target=github.com/hashicorp/consul/agent/structs.WriteRequest
+// output=common.gen.go
+// name=Structs
+// ignore-fields=state,sizeCache,unknownFields
 type WriteRequest struct {
 	// Token is the ACL token ID. If not provided, the 'anonymous'
 	// token is assumed for backwards compatibility.

proto/pbcommon/common.proto

@@ -29,6 +29,12 @@ message TargetDatacenter {
    string Datacenter = 1;
 }
 
+// mog annotation:
+//
+// target=github.com/hashicorp/consul/agent/structs.WriteRequest
+// output=common.gen.go
+// name=Structs
+// ignore-fields=state,sizeCache,unknownFields
 message WriteRequest {
    // Token is the ACL token ID. If not provided, the 'anonymous'
    // token is assumed for backwards compatibility.