Haystack¶
To enable the Haystack:
[tracing]
  [tracing.haystack]tracing:
  haystack: {}--tracing.haystack=truelocalAgentHost¶
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:
  haystack:
    localAgentHost: 127.0.0.1--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.
[tracing]
  [tracing.haystack]
    localAgentPort = 42699tracing:
  haystack:
    localAgentPort: 42699--tracing.haystack.localAgentPort=42699globalTag¶
Optional, Default=empty
Apply shared tag in a form of Key:Value to all the traces.
[tracing]
  [tracing.haystack]
    globalTag = "sample:test"tracing:
  haystack:
    globalTag: sample:test--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:
  haystack:
    traceIDHeaderName: sample--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:
  haystack:
    parentIDHeaderName: "sample"--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:
  haystack:
    spanIDHeaderName: "sample:test"--tracing.haystack.spanIDHeaderName=sample:testbaggagePrefixHeaderName¶
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:
  haystack:
    baggagePrefixHeaderName: "sample"--tracing.haystack.baggagePrefixHeaderName="sample"