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Istio Access Log 설정 가이드

Access Log Provider 설정​

References
istiod-values.yaml
meshConfig:
  extensionProviders:
    - name: jsonlogger
      envoyFileAccessLog:
        path: /dev/stdout
        logFormat:
          labels: {}
        omitEmptyValues: true
  • extensionProviders: []
    • name: <name>
    • envoyFileAccessLog
      • path: /dev/stderr|/dev/stdout
      • logFormat
        • text: <format>
        • labels
          • key: <value>
          • {}로 설정하면 기본 포맷이 적용됩니다.
      • omitEmptyValues: true|false
  • defaultProviders
    • accessLogging: [<provider>]

Envoy에 provider 적용하기​

References
apiVersion: telemetry.istio.io/v1
kind: Telemetry
spec:
  accessLogging:
    - providers:
        - name: jsonlogger
      filter:
        expression: response.code >= 500
  • providers: []
    • name: <extensionProvider>
      • 기본 ExtensionProvider로 envoy가 제공됩니다.
  • filter
    • expression: <CELExpression>
      • e.g. response.code >= 500