mirror of
https://github.com/gogf/gf.git
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113 lines
3.4 KiB
Go
113 lines
3.4 KiB
Go
// Copyright GoFrame Author(https://goframe.org). All Rights Reserved.
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//
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// This Source Code Form is subject to the terms of the MIT License.
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// If a copy of the MIT was not distributed with this file,
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// You can obtain one at https://github.com/gogf/gf.
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package tracing
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import (
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"context"
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"go.opentelemetry.io/otel"
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"go.opentelemetry.io/otel/attribute"
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"go.opentelemetry.io/otel/baggage"
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"go.opentelemetry.io/otel/codes"
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"go.opentelemetry.io/otel/trace"
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"google.golang.org/grpc"
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grpcCodes "google.golang.org/grpc/codes"
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"google.golang.org/grpc/metadata"
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"google.golang.org/grpc/status"
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"github.com/gogf/gf/v2"
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"github.com/gogf/gf/v2/net/gtrace"
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"github.com/gogf/gf/v2/util/gconv"
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"github.com/gogf/gf/contrib/rpc/grpcx/v2/internal/grpcctx"
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)
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// UnaryServerInterceptor returns a grpc.UnaryServerInterceptor suitable
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// for usage in a grpc.NewServer call.
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func UnaryServerInterceptor(ctx context.Context, req interface{}, info *grpc.UnaryServerInfo, handler grpc.UnaryHandler) (interface{}, error) {
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tracer := otel.GetTracerProvider().Tracer(
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tracingInstrumentGrpcServer,
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trace.WithInstrumentationVersion(gf.VERSION),
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)
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requestMetadata, _ := metadata.FromIncomingContext(ctx)
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metadataCopy := requestMetadata.Copy()
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entries, spanCtx := Extract(ctx, metadataCopy)
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ctx = baggage.ContextWithBaggage(ctx, entries)
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ctx = trace.ContextWithRemoteSpanContext(ctx, spanCtx)
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name, attr := spanInfo(info.FullMethod, peerFromCtx(ctx))
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ctx, span := tracer.Start(
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ctx,
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name,
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trace.WithSpanKind(trace.SpanKindServer),
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trace.WithAttributes(attr...),
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)
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defer span.End()
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// If it is now using default trace provider, it then does no complex tracing jobs.
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if gtrace.IsUsingDefaultProvider() {
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return handler(ctx, req)
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}
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span.SetAttributes(gtrace.CommonLabels()...)
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span.AddEvent(tracingEventGrpcRequest, trace.WithAttributes(
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attribute.String(tracingEventGrpcRequestBaggage, gconv.String(gtrace.GetBaggageMap(ctx))),
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attribute.String(tracingEventGrpcMetadataIncoming, gconv.String(grpcctx.Ctx{}.IncomingMap(ctx))),
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))
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res, err := handler(ctx, req)
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if err != nil {
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s, _ := status.FromError(err)
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span.SetStatus(codes.Error, s.Message())
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span.SetAttributes(statusCodeAttr(s.Code()))
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} else {
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span.SetAttributes(statusCodeAttr(grpcCodes.OK))
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}
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return res, err
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}
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// StreamServerInterceptor returns a grpc.StreamServerInterceptor suitable
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// for use in a grpc.NewServer call.
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func StreamServerInterceptor(srv interface{}, ss grpc.ServerStream, info *grpc.StreamServerInfo, handler grpc.StreamHandler) error {
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tracer := otel.GetTracerProvider().Tracer(
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tracingInstrumentGrpcServer,
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trace.WithInstrumentationVersion(gf.VERSION),
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)
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ctx := ss.Context()
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requestMetadata, _ := metadata.FromIncomingContext(ctx)
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metadataCopy := requestMetadata.Copy()
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entries, spanCtx := Extract(ctx, metadataCopy)
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ctx = baggage.ContextWithBaggage(ctx, entries)
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ctx = trace.ContextWithRemoteSpanContext(ctx, spanCtx)
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name, attr := spanInfo(info.FullMethod, peerFromCtx(ctx))
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ctx, span := tracer.Start(
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ctx,
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name,
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trace.WithSpanKind(trace.SpanKindServer),
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trace.WithAttributes(attr...),
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)
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defer span.End()
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span.SetAttributes(gtrace.CommonLabels()...)
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err := handler(srv, wrapServerStream(ctx, ss))
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if err != nil {
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s, _ := status.FromError(err)
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span.SetStatus(codes.Error, s.Message())
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span.SetAttributes(statusCodeAttr(s.Code()))
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} else {
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span.SetAttributes(statusCodeAttr(grpcCodes.OK))
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}
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return err
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}
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