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Kubernetes LeaderWorkerSet 사용 가이드

설치​

References
helm pull oci://registry.k8s.io/lws/charts/lws --version 0.7.0
helm show values oci://registry.k8s.io/lws/charts/lws --version 0.7.0 \
    > lws-0.7.0.yaml
helm template lws oci://registry.k8s.io/lws/charts/lws \
    --version 0.7.0 \
    -n lws-system \
    > lws.yaml
helm upgrade -i lws oci://registry.k8s.io/lws/charts/lws \
    --history-max 5 \
    --create-namespace \
    --version 0.7.0 \
    -n lws-system

LeaderWorkerSet​

apiVersion: leaderworkerset.x-k8s.io/v1
kind: LeaderWorkerSet
spec:
  replicas: 1
  leaderWorkerTemplate:
    size: 2
    leaderTemplate:
      spec: {}
    workerTemplate:
      spec: {}
  • startupPolicy: LeaderCreated|LeaderReady
    • 기본값: LeaderCreated
  • leaderWorkerTemplate
    • restartPolicy: RecreateGroupOnPodRestart|None
      • 기본값: RecreateGroupOnPodRestart
      • None: Failed pod만 재시작합니다.