OTEL wiring in grpcserver interceptor (DataDog POC)

.github/workflows/build.yml

@@ -23,7 +23,7 @@ jobs:
       - uses: actions/checkout@v3
       - uses: actions/setup-go@v3
         with:
-          go-version: "1.20"
+          go-version: "1.21"
           check-latest: true
       - uses: technote-space/[email protected]
         id: git_diff

.github/workflows/lint.yml

@@ -16,11 +16,11 @@ jobs:
     steps:
       - uses: actions/setup-go@v3
         with:
-          go-version: "1.20"
+          go-version: "1.21"
           check-latest: true
       - uses: actions/checkout@v3
       - name: golangci-lint
         uses: golangci/golangci-lint-action@v3
         with:
           # Optional: version of golangci-lint to use in form of v1.2 or v1.2.3 or `latest` to use the latest version
-          version: v1.51.2
+          version: v1.54.0

.github/workflows/test.yml

@@ -20,7 +20,7 @@ jobs:
       - uses: actions/checkout@v3
       - uses: actions/setup-go@v3
         with:
-          go-version: "1.20"
+          go-version: "1.21"
           check-latest: true
       - name: Create a file with all core Cosmos SDK pkgs
         run: go list ./... > pkgs.txt
@@ -54,7 +54,7 @@ jobs:
       - uses: actions/checkout@v3
       - uses: actions/setup-go@v3
         with:
-          go-version: "1.20"
+          go-version: "1.21"
           check-latest: true
           cache: true
           cache-dependency-path: go.sum
@@ -86,7 +86,7 @@ jobs:
       - uses: actions/checkout@v3
       - uses: actions/setup-go@v3
         with:
-          go-version: "1.20"
+          go-version: "1.21"
           check-latest: true
           cache: true
           cache-dependency-path: go.sum
@@ -117,7 +117,7 @@ jobs:
       - uses: actions/checkout@v3
       - uses: actions/setup-go@v3
         with:
-          go-version: "1.20"
+          go-version: "1.21"
           check-latest: true
           cache: true
           cache-dependency-path: go.sum
@@ -189,7 +189,7 @@ jobs:
       - uses: actions/checkout@v3
       - uses: actions/setup-go@v3
         with:
-          go-version: "1.20"
+          go-version: "1.21"
           check-latest: true
           cache: true
           cache-dependency-path: go.sum
@@ -219,7 +219,7 @@ jobs:
       - uses: actions/checkout@v3
       - uses: actions/setup-go@v3
         with:
-          go-version: "1.20"
+          go-version: "1.21"
           check-latest: true
           cache: true
           cache-dependency-path: go.sum
@@ -245,7 +245,7 @@ jobs:
       - uses: actions/checkout@v3
       - uses: actions/setup-go@v3
         with:
-          go-version: "1.20"
+          go-version: "1.21"
           check-latest: true
           cache: true
           cache-dependency-path: simapp/go.sum

.golangci.yml

@@ -8,7 +8,6 @@ run:
 linters:
   disable-all: true
   enable:
-    - depguard
     - dogsled
     - exportloopref
     - goconst

baseapp/grpcserver.go

@@ -5,6 +5,12 @@ import (
 	"fmt"
 	"strconv"
 
+	"go.opentelemetry.io/otel"
+	"go.opentelemetry.io/otel/attribute"
+	otelcodes "go.opentelemetry.io/otel/codes"
+	"go.opentelemetry.io/otel/propagation"
+	"go.opentelemetry.io/otel/trace"
+
 	gogogrpc "github.com/cosmos/gogoproto/grpc"
 	grpcmiddleware "github.com/grpc-ecosystem/go-grpc-middleware"
 	grpcrecovery "github.com/grpc-ecosystem/go-grpc-middleware/recovery"
@@ -18,14 +24,18 @@ import (
 	grpctypes "github.com/cosmos/cosmos-sdk/types/grpc"
 )
 
+const tracerName = "cosmos-sdk"
+
 // GRPCQueryRouter returns the GRPCQueryRouter of a BaseApp.
 func (app *BaseApp) GRPCQueryRouter() *GRPCQueryRouter { return app.grpcQueryRouter }
 
 // RegisterGRPCServer registers gRPC services directly with the gRPC server.
 func (app *BaseApp) RegisterGRPCServer(server gogogrpc.Server, logQueries bool) {
+	tracer := otel.Tracer(tracerName)
+
 	// Define an interceptor for all gRPC queries: this interceptor will create
 	// a new sdk.Context, and pass it into the query handler.
-	interceptor := func(grpcCtx context.Context, req interface{}, _ *grpc.UnaryServerInfo, handler grpc.UnaryHandler) (resp interface{}, err error) {
+	interceptor := func(grpcCtx context.Context, req interface{}, grpcInfo *grpc.UnaryServerInfo, handler grpc.UnaryHandler) (resp interface{}, err error) {
 		// If there's some metadata in the context, retrieve it.
 		md, ok := metadata.FromIncomingContext(grpcCtx)
 		if !ok {
@@ -70,7 +80,25 @@ func (app *BaseApp) RegisterGRPCServer(server gogogrpc.Server, logQueries bool)
 			app.logger.Info("gRPC query received of type: " + fmt.Sprintf("%#v", req))
 		}
 
-		return handler(grpcCtx, req)
+		// Extract the existing span context from the incoming request
+		parentCtx := otel.GetTextMapPropagator().Extract(grpcCtx, propagation.HeaderCarrier(md))
+
+		// Start a new span representing the request
+		// The span ends when the request is complete
+		grpcCtx, span := tracer.Start(parentCtx, grpcInfo.FullMethod, trace.WithSpanKind(trace.SpanKindServer))
+		defer span.End()
+
+		span.SetAttributes(attribute.String("http.method", grpcInfo.FullMethod))
+
+		resp, err = handler(grpcCtx, req)
+
+		if err != nil {
+			span.SetStatus(otelcodes.Error, err.Error())
+		} else {
+			span.SetStatus(otelcodes.Ok, "OK")
+		}
+
+		return resp, err
 	}
 
 	// Loop through all services and methods, add the interceptor, and register

contrib/images/simd-dlv/Dockerfile

@@ -1,4 +1,4 @@
-FROM golang:1.20-alpine AS build
+FROM golang:1.21-alpine AS build
 
 RUN apk add build-base git linux-headers libc-dev
 RUN go install github.com/go-delve/delve/cmd/dlv@latest

contrib/images/simd-env/Dockerfile

@@ -1,4 +1,4 @@
-FROM golang:1.20-alpine AS build
+FROM golang:1.21-alpine AS build
 
 RUN apk add build-base git linux-headers
 

go.mod

@@ -1,4 +1,4 @@
-go 1.20
+go 1.21
 
 module github.com/cosmos/cosmos-sdk
 
@@ -30,7 +30,7 @@ require (
 	github.com/cosmos/ics23/go v0.10.0
 	github.com/cosmos/ledger-cosmos-go v0.12.1
 	github.com/golang/mock v1.6.0
-	github.com/golang/protobuf v1.5.3
+	github.com/golang/protobuf v1.5.4
 	github.com/google/gofuzz v1.2.0
 	github.com/gorilla/handlers v1.5.1
 	github.com/gorilla/mux v1.8.0
@@ -54,23 +54,25 @@ require (
 	github.com/spf13/cobra v1.6.1
 	github.com/spf13/pflag v1.0.5
 	github.com/spf13/viper v1.14.0
-	github.com/stretchr/testify v1.8.4
+	github.com/stretchr/testify v1.9.0
 	github.com/tendermint/go-amino v0.16.0
 	github.com/tidwall/btree v1.6.0
-	golang.org/x/crypto v0.18.0
+	go.opentelemetry.io/contrib/instrumentation/google.golang.org/grpc/otelgrpc v0.53.0
+	go.opentelemetry.io/otel v1.28.0
+	go.opentelemetry.io/otel/trace v1.28.0
+	golang.org/x/crypto v0.24.0
 	golang.org/x/exp v0.0.0-20231006140011-7918f672742d
-	google.golang.org/genproto/googleapis/api v0.0.0-20230726155614-23370e0ffb3e
-	google.golang.org/grpc v1.57.0
-	google.golang.org/protobuf v1.32.0
+	google.golang.org/genproto/googleapis/api v0.0.0-20240528184218-531527333157
+	google.golang.org/grpc v1.65.0
+	google.golang.org/protobuf v1.34.2
 	gotest.tools/v3 v3.5.0
 	pgregory.net/rapid v0.5.5
 	sigs.k8s.io/yaml v1.3.0
 )
 
 require (
 	cloud.google.com/go v0.110.6 // indirect
-	cloud.google.com/go/compute v1.23.0 // indirect
-	cloud.google.com/go/compute/metadata v0.2.3 // indirect
+	cloud.google.com/go/compute/metadata v0.3.0 // indirect
 	cloud.google.com/go/iam v1.1.1 // indirect
 	cloud.google.com/go/storage v1.30.1 // indirect
 	filippo.io/edwards25519 v1.0.0 // indirect
@@ -84,7 +86,7 @@ require (
 	github.com/bufbuild/protocompile v0.4.0 // indirect
 	github.com/cenkalti/backoff/v4 v4.1.3 // indirect
 	github.com/cespare/xxhash v1.1.0 // indirect
-	github.com/cespare/xxhash/v2 v2.2.0 // indirect
+	github.com/cespare/xxhash/v2 v2.3.0 // indirect
 	github.com/cockroachdb/errors v1.10.0 // indirect
 	github.com/cockroachdb/logtags v0.0.0-20230118201751-21c54148d20b // indirect
 	github.com/cockroachdb/pebble v0.0.0-20220817183557-09c6e030a677 // indirect
@@ -109,17 +111,19 @@ require (
 	github.com/go-kit/kit v0.12.0 // indirect
 	github.com/go-kit/log v0.2.1 // indirect
 	github.com/go-logfmt/logfmt v0.5.1 // indirect
+	github.com/go-logr/logr v1.4.2 // indirect
+	github.com/go-logr/stdr v1.2.2 // indirect
 	github.com/godbus/dbus v0.0.0-20190726142602-4481cbc300e2 // indirect
 	github.com/gogo/googleapis v1.4.1 // indirect
 	github.com/gogo/protobuf v1.3.2 // indirect
-	github.com/golang/glog v1.1.0 // indirect
+	github.com/golang/glog v1.2.1 // indirect
 	github.com/golang/groupcache v0.0.0-20210331224755-41bb18bfe9da // indirect
 	github.com/golang/snappy v0.0.4 // indirect
 	github.com/google/btree v1.1.2 // indirect
 	github.com/google/go-cmp v0.6.0 // indirect
 	github.com/google/orderedcode v0.0.1 // indirect
 	github.com/google/s2a-go v0.1.4 // indirect
-	github.com/google/uuid v1.3.0 // indirect
+	github.com/google/uuid v1.6.0 // indirect
 	github.com/googleapis/enterprise-certificate-proxy v0.2.3 // indirect
 	github.com/googleapis/gax-go/v2 v2.11.0 // indirect
 	github.com/gorilla/websocket v1.5.0 // indirect
@@ -168,17 +172,18 @@ require (
 	github.com/zondax/ledger-go v0.14.0 // indirect
 	go.etcd.io/bbolt v1.3.7 // indirect
 	go.opencensus.io v0.24.0 // indirect
-	golang.org/x/net v0.20.0 // indirect
-	golang.org/x/oauth2 v0.16.0 // indirect
-	golang.org/x/sync v0.3.0 // indirect
-	golang.org/x/sys v0.16.0 // indirect
-	golang.org/x/term v0.16.0 // indirect
-	golang.org/x/text v0.14.0 // indirect
+	go.opentelemetry.io/otel/metric v1.28.0 // indirect
+	golang.org/x/net v0.26.0 // indirect
+	golang.org/x/oauth2 v0.20.0 // indirect
+	golang.org/x/sync v0.7.0 // indirect
+	golang.org/x/sys v0.21.0 // indirect
+	golang.org/x/term v0.21.0 // indirect
+	golang.org/x/text v0.16.0 // indirect
 	golang.org/x/xerrors v0.0.0-20220907171357-04be3eba64a2 // indirect
 	google.golang.org/api v0.126.0 // indirect
 	google.golang.org/appengine v1.6.7 // indirect
 	google.golang.org/genproto v0.0.0-20230803162519-f966b187b2e5 // indirect
-	google.golang.org/genproto/googleapis/rpc v0.0.0-20230815205213-6bfd019c3878 // indirect
+	google.golang.org/genproto/googleapis/rpc v0.0.0-20240701130421-f6361c86f094 // indirect
 	gopkg.in/ini.v1 v1.67.0 // indirect
 	gopkg.in/yaml.v2 v2.4.0 // indirect
 	gopkg.in/yaml.v3 v3.0.1 // indirect