mirror of
https://github.com/VictoriaMetrics/VictoriaMetrics.git
synced 2024-12-18 14:40:26 +01:00
38 lines
1.6 KiB
Go
38 lines
1.6 KiB
Go
// Copyright The OpenTelemetry Authors
|
|
// SPDX-License-Identifier: Apache-2.0
|
|
|
|
package trace // import "go.opentelemetry.io/otel/trace"
|
|
|
|
import (
|
|
"context"
|
|
|
|
"go.opentelemetry.io/otel/trace/embedded"
|
|
)
|
|
|
|
// Tracer is the creator of Spans.
|
|
//
|
|
// Warning: Methods may be added to this interface in minor releases. See
|
|
// package documentation on API implementation for information on how to set
|
|
// default behavior for unimplemented methods.
|
|
type Tracer interface {
|
|
// Users of the interface can ignore this. This embedded type is only used
|
|
// by implementations of this interface. See the "API Implementations"
|
|
// section of the package documentation for more information.
|
|
embedded.Tracer
|
|
|
|
// Start creates a span and a context.Context containing the newly-created span.
|
|
//
|
|
// If the context.Context provided in `ctx` contains a Span then the newly-created
|
|
// Span will be a child of that span, otherwise it will be a root span. This behavior
|
|
// can be overridden by providing `WithNewRoot()` as a SpanOption, causing the
|
|
// newly-created Span to be a root span even if `ctx` contains a Span.
|
|
//
|
|
// When creating a Span it is recommended to provide all known span attributes using
|
|
// the `WithAttributes()` SpanOption as samplers will only have access to the
|
|
// attributes provided when a Span is created.
|
|
//
|
|
// Any Span that is created MUST also be ended. This is the responsibility of the user.
|
|
// Implementations of this API may leak memory or other resources if Spans are not ended.
|
|
Start(ctx context.Context, spanName string, opts ...SpanStartOption) (context.Context, Span)
|
|
}
|