natscarrier

Documentation

Overview

Package natscarrier provides an OTEL TextMapCarrier implementation for NATS messages.

The carrier can be used to inject and extract trace/span IDs from a nats.Msg via go.opentelemetry.io/otel/propagation.TextMapPropagator.

Index

• type Header
  • func (h Header) Get(key string) string
  • func (h Header) Keys() []string
  • func (h Header) Set(key string, value string)
  • func (h Header) String() string

Types

type Header

type Header nats.Header

Header implements the go.opentelemetry.io/otel/propagation.TextMapCarrier interface using a nats.Header held in memory as a storage

func (Header) Get

func (h Header) Get(key string) string

Get returns the value associated with the passed key

func (Header) Keys

func (h Header) Keys() []string

Keys lists the keys stored in this carrier

func (Header) Set

func (h Header) Set(key string, value string)

Set stores the key-value pair

func (Header) String

func (h Header) String() string

String implements the fmt.Stringer interface, see Header