Haystack

To enable the Haystack:

  1. [tracing]
  2.   [tracing.haystack]

  1. tracing:
  2.   haystack: {}

  1. --tracing.haystack=true

localAgentHost

Require, Default="127.0.0.1"

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

  1. [tracing]
  2.   [tracing.haystack]
  3.     localAgentHost = "127.0.0.1"

  1. tracing:
  2.   haystack:
  3.     localAgentHost: 127.0.0.1

  1. --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.

  1. [tracing]
  2.   [tracing.haystack]
  3.     localAgentPort = 42699

  1. tracing:
  2.   haystack:
  3.     localAgentPort: 42699

  1. --tracing.haystack.localAgentPort=42699

globalTag

Optional, Default=empty

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

  1. [tracing]
  2.   [tracing.haystack]
  3.     globalTag = "sample:test"

  1. tracing:
  2.   haystack:
  3.     globalTag: sample:test

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

traceIDHeaderName

Optional, Default=empty

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

  1. [tracing]
  2.   [tracing.haystack]
  3.     traceIDHeaderName = "sample"

  1. tracing:
  2.   haystack:
  3.     traceIDHeaderName: sample

  1. --tracing.haystack.traceIDHeaderName=sample

parentIDHeaderName

Optional, Default=empty

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

  1. [tracing]
  2.   [tracing.haystack]
  3.     parentIDHeaderName = "sample"

  1. tracing:
  2.   haystack:
  3.     parentIDHeaderName: "sample"

  1. --tracing.haystack.parentIDHeaderName=sample

spanIDHeaderName

Optional, Default=empty

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

  1. [tracing]
  2.   [tracing.haystack]
  3.     spanIDHeaderName = "sample:test"

  1. tracing:
  2.   haystack:
  3.     spanIDHeaderName: "sample:test"

  1. --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.

  1. [tracing]
  2.   [tracing.haystack]
  3.     baggagePrefixHeaderName = "sample"

  1. tracing:
  2.   haystack:
  3.     baggagePrefixHeaderName: "sample"

  1. --tracing.haystack.baggagePrefixHeaderName=sample