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Haystack

To enable the Haystack:

File (TOML)

[tracing]
  [tracing.haystack]

File (YAML)

tracing:
  haystack: {}

CLI

--tracing.haystack=true

localAgentHost

Require, Default="127.0.0.1"

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

File (TOML)

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

File (YAML)

tracing:
  haystack:
    localAgentHost: 127.0.0.1

CLI

--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.

File (TOML)

[tracing]
  [tracing.haystack]
    localAgentPort = 42699

File (YAML)

tracing:
  haystack:
    localAgentPort: 42699

CLI

--tracing.haystack.localAgentPort=42699

globalTag

Optional, Default=empty

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

File (TOML)

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

File (YAML)

tracing:
  haystack:
    globalTag: sample:test

CLI

--tracing.haystack.globalTag=sample:test

traceIDHeaderName

Optional, Default=empty

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

File (TOML)

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

File (YAML)

tracing:
  haystack:
    traceIDHeaderName: sample

CLI

--tracing.haystack.traceIDHeaderName=sample

parentIDHeaderName

Optional, Default=empty

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

File (TOML)

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

File (YAML)

tracing:
  haystack:
    parentIDHeaderName: "sample"

CLI

--tracing.haystack.parentIDHeaderName=sample

spanIDHeaderName

Optional, Default=empty

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

File (TOML)

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

File (YAML)

tracing:
  haystack:
    spanIDHeaderName: "sample:test"

CLI

--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.

File (TOML)

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

File (YAML)

tracing:
  haystack:
    baggagePrefixHeaderName: "sample"

CLI

--tracing.haystack.baggagePrefixHeaderName=sample