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fix(extra/redisotel): set span.kind attribute to client 

According to the opentelemetry specification this should always be set to client for database client
libraries.

I've also removed the SetAttributes call and instead set the attributes during creation of the span.
This is what the library SHOULD be doing according to the opentelemetry api specification.
This commit is contained in:
Kristinn Björgvin Árdal 2021-10-26 15:55:57 +02:00
parent 38d398f630
commit 065b200070
2 changed files with 17 additions and 6 deletions
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1
extra/redisotel/go.sum
View File

@ -33,6 +33,7 @@ github.com/onsi/ginkgo v1.6.0/go.mod h1:lLunBs/Ym6LB5Z9jYTR76FiuTmxDTDusOGeTQH+W
github.com/onsi/ginkgo v1.12.1/go.mod h1:zj2OWP4+oCPe1qIXoGWkgMRwljMUYCdkwsT2108oapk=
github.com/onsi/ginkgo v1.16.4 h1:29JGrr5oVBm5ulCWet69zQkzWipVXIol6ygQUe/EzNc=
github.com/onsi/ginkgo v1.16.4/go.mod h1:dX+/inL/fNMqNlz0e9LfyB9TswhZpCVdJM/Z6Vvnwo0=
github.com/onsi/ginkgo v1.16.5/go.mod h1:+E8gABHa3K6zRBolWtd+ROzc/U5bkGt0FwiG042wbpU=
github.com/onsi/gomega v1.7.1/go.mod h1:XdKZgCCFLUoM/7CFJVPcG8C1xQ1AJ0vpAezJrB7JYyY=
github.com/onsi/gomega v1.10.1/go.mod h1:iN09h71vgCQne3DLsj+A5owkum+a2tYe+TOCB1ybHNo=
github.com/onsi/gomega v1.16.0 h1:6gjqkI8iiRHMvdccRJM8rVKjCWk6ZIm6FTm3ddIe4/c=

22
extra/redisotel/redisotel.go
View File

@ -27,11 +27,16 @@ func (TracingHook) BeforeProcess(ctx context.Context, cmd redis.Cmder) (context.
return ctx, nil
}
ctx, span := tracer.Start(ctx, cmd.FullName())
span.SetAttributes(
attrs := []attribute.KeyValue{
attribute.String("db.system", "redis"),
attribute.String("db.statement", rediscmd.CmdString(cmd)),
)
}
opts := []trace.SpanStartOption{
trace.WithSpanKind(trace.SpanKindClient),
trace.WithAttributes(attrs...),
}
ctx, _ = tracer.Start(ctx, cmd.FullName(), opts...)
return ctx, nil
}
@ -52,12 +57,17 @@ func (TracingHook) BeforeProcessPipeline(ctx context.Context, cmds []redis.Cmder
summary, cmdsString := rediscmd.CmdsString(cmds)
ctx, span := tracer.Start(ctx, "pipeline "+summary)
span.SetAttributes(
attrs := []attribute.KeyValue{
attribute.String("db.system", "redis"),
attribute.Int("db.redis.num_cmd", len(cmds)),
attribute.String("db.statement", cmdsString),
)
}
opts := []trace.SpanStartOption{
trace.WithSpanKind(trace.SpanKindClient),
trace.WithAttributes(attrs...),
}
ctx, _ = tracer.Start(ctx, "pipeline "+summary, opts...)
return ctx, nil
}