use otelhttp tracing middleware

Signed-off-by: Jörn Friedrich Dreyer <[email protected]>

go.mod

@@ -72,14 +72,15 @@ require (
 	github.com/shamaton/msgpack/v2 v2.1.1
 	github.com/sirupsen/logrus v1.9.0
 	github.com/spf13/cobra v1.7.0
-	github.com/stretchr/testify v1.8.3
+	github.com/stretchr/testify v1.8.4
 	github.com/test-go/testify v1.1.4
 	github.com/thejerf/suture/v4 v4.0.2
 	github.com/tus/tusd v1.10.1
 	github.com/urfave/cli/v2 v2.25.1
 	github.com/xhit/go-simple-mail/v2 v2.13.0
 	go-micro.dev/v4 v4.9.0
 	go.etcd.io/bbolt v1.3.7
+	go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp v0.42.1-0.20230608065455-5cc3715df180
 	go.opentelemetry.io/contrib/zpages v0.42.0
 	go.opentelemetry.io/otel v1.16.0
 	go.opentelemetry.io/otel/exporters/jaeger v1.15.1

go.sum

@@ -1576,8 +1576,8 @@ github.com/stretchr/testify v1.7.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/
 github.com/stretchr/testify v1.7.2/go.mod h1:R6va5+xMeoiuVRoj+gSkQ7d3FALtqAAGI1FQKckRals=
 github.com/stretchr/testify v1.8.0/go.mod h1:yNjHg4UonilssWZ8iaSj1OCr/vHnekPRkoO+kdMU+MU=
 github.com/stretchr/testify v1.8.1/go.mod h1:w2LPCIKwWwSfY2zedu0+kehJoqGctiVI29o6fzry7u4=
-github.com/stretchr/testify v1.8.3 h1:RP3t2pwF7cMEbC1dqtB6poj3niw/9gnV4Cjg5oW5gtY=
-github.com/stretchr/testify v1.8.3/go.mod h1:sz/lmYIOXD/1dqDmKjjqLyZ2RngseejIcXlSw2iwfAo=
+github.com/stretchr/testify v1.8.4 h1:CcVxjf3Q8PM0mHUKJCdn+eZZtm5yQwehR5yeSVQQcUk=
+github.com/stretchr/testify v1.8.4/go.mod h1:sz/lmYIOXD/1dqDmKjjqLyZ2RngseejIcXlSw2iwfAo=
 github.com/stvp/go-udp-testing v0.0.0-20201019212854-469649b16807/go.mod h1:7jxmlfBCDBXRzr0eAQJ48XC1hBu1np4CS5+cHEYfwpc=
 github.com/subosito/gotenv v1.2.0/go.mod h1:N0PQaV/YGNqwC0u51sEeR/aUtSLEXKX9iv69rRypqCw=
 github.com/tchap/go-patricia/v2 v2.3.1 h1:6rQp39lgIYZ+MHmdEq4xzuk1t7OdC35z/xm0BGhTkes=
@@ -1675,6 +1675,8 @@ go.opencensus.io v0.24.0 h1:y73uSU6J157QMP2kn2r30vwW1A2W2WFwSCGnAVxeaD0=
 go.opencensus.io v0.24.0/go.mod h1:vNK8G9p7aAivkbmorf4v+7Hgx+Zs0yY+0fOtgBfjQKo=
 go.opentelemetry.io/contrib/instrumentation/google.golang.org/grpc/otelgrpc v0.36.4 h1:PRXhsszxTt5bbPriTjmaweWUsAnJYeWBhUMLRetUgBU=
 go.opentelemetry.io/contrib/instrumentation/google.golang.org/grpc/otelgrpc v0.36.4/go.mod h1:05eWWy6ZWzmpeImD3UowLTB3VjDMU1yxQ+ENuVWDM3c=
+go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp v0.42.1-0.20230608065455-5cc3715df180 h1:vx3BgH4QDw5zqcu8MPC43KPznuLJt7Ly6so2cUUwhu8=
+go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp v0.42.1-0.20230608065455-5cc3715df180/go.mod h1:/Q7SZ3KqNy3qTGotS1MKC8lO5z0CFSeacGbjfgMa4sk=
 go.opentelemetry.io/contrib/zpages v0.42.0 h1:hFscXKQ9PTjyIVmAr6zIV8cMoiEeR9lPIwPVqHi8+5Q=
 go.opentelemetry.io/contrib/zpages v0.42.0/go.mod h1:qRJBEfB0iwRKrYImq5qfwTolmY8HXvZBRucvhuTVQZw=
 go.opentelemetry.io/otel v1.16.0 h1:Z7GVAX/UkAXPKsy94IU+i6thsQS4nb7LviLpnaNeW8s=

services/proxy/pkg/command/server.go

@@ -40,6 +40,7 @@ import (
 	"github.com/owncloud/ocis/v2/services/proxy/pkg/userroles"
 	"github.com/urfave/cli/v2"
 	microstore "go-micro.dev/v4/store"
+	"go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp"
 )
 
 // Server is the entrypoint for the server command.
@@ -377,6 +378,12 @@ func loadMiddlewares(ctx context.Context, logger log.Logger, cfg *config.Config,
 
 	return alice.New(
 		// first make sure we log all requests and redirect to https if necessary
+		otelhttp.NewMiddleware("proxy",
+			otelhttp.WithTracerProvider(tracing.TraceProvider),
+			otelhttp.WithSpanNameFormatter(func(name string, r *http.Request) string {
+				return fmt.Sprintf("%s %s", r.Method, r.URL.Path)
+			}),
+		),
 		middleware.Tracer(),
 		pkgmiddleware.TraceContext,
 		chimiddleware.RealIP,