linkerd

README

otel-linkerd

OpenTelemetry linkerd trace propagator.

Currently supports l5d-tctx-trace set by telemetry: io.l5d.tracelog.

Usage

import (
  otelhttp "go.opentelemetry.io/contrib/instrumentation/net/http"
)

var httpClient = http.Client{Transport: otelhttp.NewTransport(
    http.DefaultTransport,
    // ...
    otelhttp.WithPropagators(linkerd.New()),
),
}

License

license

Documentation

Index

• func New() propagation.TextMapPropagator
• type Propagator
  • func (l5d Propagator) Extract(ctx context.Context, carrier propagation.TextMapCarrier) context.Context
  • func (l5d Propagator) Fields() []string
  • func (l5d Propagator) Inject(ctx context.Context, carrier propagation.TextMapCarrier)

Functions

func New

func New() propagation.TextMapPropagator

Types

type Propagator

type Propagator struct{}

func (Propagator) Extract

func (l5d Propagator) Extract(ctx context.Context, carrier propagation.TextMapCarrier) context.Context

Extract gets a context from the carrier if it contains linkerd trace header.

func (Propagator) Fields

func (l5d Propagator) Fields() []string

Fields returns list of fields used by HTTPTextFormat.

func (Propagator) Inject

func (l5d Propagator) Inject(ctx context.Context, carrier propagation.TextMapCarrier)

Inject injects a context to the carrier following linkerd trace format.