feat: include additional metadata for tracing the collaboration service

services/collaboration/pkg/connector/contentconnector.go

@@ -15,9 +15,11 @@ import (
 	providerv1beta1 "github.com/cs3org/go-cs3apis/cs3/storage/provider/v1beta1"
 	types "github.com/cs3org/go-cs3apis/cs3/types/v1beta1"
 	revactx "github.com/cs3org/reva/v2/pkg/ctx"
+	"github.com/owncloud/ocis/v2/ocis-pkg/tracing"
 	"github.com/owncloud/ocis/v2/services/collaboration/pkg/config"
 	"github.com/owncloud/ocis/v2/services/collaboration/pkg/middleware"
 	"github.com/rs/zerolog"
+	"go.opentelemetry.io/otel/propagation"
 )
 
 // ContentConnectorService is the interface to implement the "File contents"
@@ -143,6 +145,8 @@ func (c *ContentConnector) GetFile(ctx context.Context, writer io.Writer) error
 	} else {
 		httpReq.Header.Add("X-Access-Token", wopiContext.AccessToken)
 	}
+	tracingProp := tracing.GetPropagator()
+	tracingProp.Inject(ctx, propagation.HeaderCarrier(httpReq.Header))
 
 	httpResp, err := httpClient.Do(httpReq)
 	if err != nil {
@@ -341,6 +345,8 @@ func (c *ContentConnector) PutFile(ctx context.Context, stream io.Reader, stream
 		//if lockID, ok := ctxpkg.ContextGetLockID(ctx); ok {
 		//	httpReq.Header.Add("X-Lock-Id", lockID)
 		//}
+		tracingProp := tracing.GetPropagator()
+		tracingProp.Inject(ctx, propagation.HeaderCarrier(httpReq.Header))
 
 		httpResp, err := httpClient.Do(httpReq)
 		if err != nil {

services/collaboration/pkg/middleware/tracing.go

@@ -0,0 +1,39 @@
+package middleware
+
+import (
+	"net/http"
+
+	"go.opentelemetry.io/otel/attribute"
+	"go.opentelemetry.io/otel/trace"
+)
+
+func CollaborationTracingMiddleware(next http.Handler) http.Handler {
+	return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		wopiContext, err := WopiContextFromCtx(r.Context())
+		if err != nil {
+			// if we can't get the context, skip this middleware
+			next.ServeHTTP(w, r)
+		}
+
+		span := trace.SpanFromContext(r.Context())
+
+		wopiMethod := r.Header.Get("X-WOPI-Override")
+
+		wopiFile := wopiContext.FileReference
+		wopiUser := wopiContext.User.GetId()
+
+		attrs := []attribute.KeyValue{
+			attribute.String("ocis.wopi.method", wopiMethod),
+			attribute.String("ocis.wopi.resource.id.storage", wopiFile.GetResourceId().GetStorageId()),
+			attribute.String("ocis.wopi.resource.id.opaque", wopiFile.GetResourceId().GetOpaqueId()),
+			attribute.String("ocis.wopi.resource.id.space", wopiFile.GetResourceId().GetSpaceId()),
+			attribute.String("ocis.wopi.resource.path", wopiFile.GetPath()),
+			attribute.String("ocis.wopi.user.idp", wopiUser.GetIdp()),
+			attribute.String("ocis.wopi.user.opaque", wopiUser.GetOpaqueId()),
+			attribute.String("ocis.wopi.user.type", wopiUser.GetType().String()),
+		}
+		span.SetAttributes(attrs...)
+
+		next.ServeHTTP(w, r)
+	})
+}

services/collaboration/pkg/server/http/server.go

@@ -73,6 +73,7 @@ func Server(opts ...Option) (http.Service, error) {
 			otelchi.WithChiRoutes(mux),
 			otelchi.WithTracerProvider(options.TracerProvider),
 			otelchi.WithPropagators(tracing.GetPropagator()),
+			otelchi.WithRequestMethodInSpanName(true),
 		),
 	)
 
@@ -115,10 +116,13 @@ func prepareRoutes(r *chi.Mux, options Options) {
 
 		r.Route("/files/{fileid}", func(r chi.Router) {
 
-			r.Use(func(h stdhttp.Handler) stdhttp.Handler {
-				// authentication and wopi context
-				return colabmiddleware.WopiContextAuthMiddleware(options.Config.Wopi.Secret, h)
-			})
+			r.Use(
+				func(h stdhttp.Handler) stdhttp.Handler {
+					// authentication and wopi context
+					return colabmiddleware.WopiContextAuthMiddleware(options.Config.Wopi.Secret, h)
+				},
+				colabmiddleware.CollaborationTracingMiddleware,
+			)
 
 			// check whether we should check for proof keys
 			if !options.Config.App.ProofKeys.Disable {

services/proxy/pkg/middleware/tracing.go

@@ -32,6 +32,8 @@ func (m tracer) ServeHTTP(w http.ResponseWriter, r *http.Request) {
 		span trace.Span
 	)
 
+	ctx = pkgtrace.Propagator.Extract(ctx, propagation.HeaderCarrier(r.Header))
+
 	tracer := m.traceProvider.Tracer("proxy")
 	spanOpts := []trace.SpanStartOption{
 		trace.WithSpanKind(trace.SpanKindServer),