traefik/docs/content/observability/tracing/haystack.md

Haystack

To enable the Haystack:

[tracing]
  [tracing.haystack]

--tracing
--tracing.haystack

localAgentHost

Require, Default="127.0.0.1"

Local Agent Host instructs reporter to send spans to haystack-agent at this address.

[tracing]
  [tracing.haystack]
    localAgentHost = "127.0.0.1"

--tracing
--tracing.haystack.localAgentHost="127.0.0.1"

localAgentPort

Require, Default=42699

Local Agent port instructs reporter to send spans to the haystack-agent at this port.

[tracing]
  [tracing.haystack]
    localAgentPort = 42699

--tracing
--tracing.haystack.localAgentPort=42699

globalTag

Optional, Default=empty

Apply shared tag in a form of Key:Value to all the traces.

[tracing]
  [tracing.haystack]
    globalTag = "sample:test"

--tracing
--tracing.haystack.globalTag="sample:test"

traceIDHeaderName

Optional, Default=empty

Specifies the header name that will be used to store the trace ID.

[tracing]
  [tracing.haystack]
    traceIDHeaderName = "sample"

--tracing
--tracing.haystack.traceIDHeaderName="sample"

parentIDHeaderName

Optional, Default=empty

Specifies the header name that will be used to store the span ID.

[tracing]
  [tracing.haystack]
    parentIDHeaderName = "sample"

--tracing
--tracing.haystack.parentIDHeaderName="sample"

spanIDHeaderName

Optional, Default=empty

Apply shared tag in a form of Key:Value to all the traces.

[tracing]
  [tracing.haystack]
    spanIDHeaderName = "sample:test"

--tracing
--tracing.haystack.spanIDHeaderName="sample:test"

baggagePrefixHeaderName

Optional, Default=empty

Specifies the header name prefix that will be used to store baggage items in a map.

[tracing]
  [tracing.haystack]
    baggagePrefixHeaderName = "sample"

--tracing
--tracing.haystack.baggagePrefixHeaderName="sample"