37 lines
1.1 KiB
Go
37 lines
1.1 KiB
Go
// Copyright The OpenTelemetry Authors
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// SPDX-License-Identifier: Apache-2.0
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package otel // import "go.opentelemetry.io/otel"
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import (
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"go.opentelemetry.io/otel/internal/global"
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"go.opentelemetry.io/otel/trace"
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)
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// Tracer creates a named tracer that implements Tracer interface.
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// If the name is an empty string then provider uses default name.
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//
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// This is short for GetTracerProvider().Tracer(name, opts...)
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func Tracer(name string, opts ...trace.TracerOption) trace.Tracer {
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return GetTracerProvider().Tracer(name, opts...)
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}
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// GetTracerProvider returns the registered global trace provider.
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// If none is registered then an instance of NoopTracerProvider is returned.
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//
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// Use the trace provider to create a named tracer. E.g.
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//
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// tracer := otel.GetTracerProvider().Tracer("example.com/foo")
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//
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// or
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//
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// tracer := otel.Tracer("example.com/foo")
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func GetTracerProvider() trace.TracerProvider {
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return global.TracerProvider()
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}
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// SetTracerProvider registers `tp` as the global trace provider.
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func SetTracerProvider(tp trace.TracerProvider) {
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global.SetTracerProvider(tp)
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}
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