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Merge branch 'main' of github.com:go-kratos/kratos into main

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chenzhihui 2021-02-21 17:35:38 +08:00
commit 283313c2a1
1 changed files with 4 additions and 0 deletions
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4
middleware/tracing/tracing.go
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@ -104,6 +104,10 @@ func Client(opts ...Option) middleware.Middleware {
if md, ok := metadata.FromOutgoingContext(ctx); ok {
carrier = opentracing.HTTPHeadersCarrier(md)
ctx = metadata.NewOutgoingContext(ctx, md)
} else {
md = metadata.Pairs()
carrier = opentracing.HTTPHeadersCarrier(md)
ctx = metadata.NewOutgoingContext(ctx, md)
}
}
span := options.tracer.StartSpan(