1.17.2. 段階的なロールアウトストラテジーのサンプル ApplicationSet リソースを理解する

apiVersion: argoproj.io/v1alpha1
kind: ApplicationSet
metadata:
  name: guestbook-allclusters-app-set
  namespace: openshift-gitops
spec:
  generators:
  - clusterDecisionResource:
      configMapRef: ocm-placement-generator
      labelSelector:
        matchLabels:
          cluster.open-cluster-management.io/placement: aws-app-placement
      requeueAfterSeconds: 30
  strategy:
    type: RollingSync
    rollingSync:
      steps:
      - name: dev-stage
        matchExpressions:
        - key: envLabel
          operator: In
          values: [env-dev]
        maxUpdate: 100%
      - name: qa-stage
        matchExpressions:
        - key: envLabel
          operator: In
          values: [env-qa]
        maxUpdate: 100%
      - name: prod-stage
        matchExpressions:
        - key: envLabel
          operator: In
          values: [env-prod]
        maxUpdate: 100%
  template:
    preserveFields: 

    - metadata.labels.envLabel
    metadata:
      annotations:
        apps.open-cluster-management.io/ocm-managed-cluster: '{{name}}'
        apps.open-cluster-management.io/ocm-managed-cluster-app-namespace: openshift-gitops
        argocd.argoproj.io/skip-reconcile: "true"
      labels:
        apps.open-cluster-management.io/pull-to-ocm-managed-cluster: "true"
      name: '{{name}}-guestbook-app'
    spec:
      destination:
        namespace: guestbook
        server: https://kubernetes.default.svc
      project: default
      sources:
      - repoURL: https://github.com/argoproj/argocd-example-apps.git
        targetRevision: main
        path: guestbook
      syncPolicy:
        syncOptions:
        - CreateNamespace=true