apiVersion: argoproj.io/v1alpha1
kind: ApplicationSet
metadata:
  name: multi-cluster-application-set
  namespace: argocd
spec:
  generators:
  - clusters: {} #all clusters
    #   selector:
    #     matchLabels:
    #       test: "true"
    #   values:
    #     name: "test"
  template:      
    metadata:
      name: '{{name}}-app'  ## name == clusterName (cluster1, cluster2)
    spec:
      project: default
      source:
        path: guestbook
        repoURL: https://gitee.com/gmkk/argocd-example-apps.git
        targetRevision: main
      destination:
        server: '{{server}}'   # cluster URL 
        namespace: '{{name}}-demoapp'
      # Sync policy
      syncPolicy:
        syncOptions:
          - CreateNamespace=true  
        # automated: # automated sync by default retries failed attempts 5 times with following delays between attempts ( 5s, 10s, 20s, 40s, 80s ); retry controlled using `retry` field.
        #  prune: true # Specifies if resources should be pruned during auto-syncing ( false by default ).
        #  selfHeal: true # Specifies if partial app sync should be executed when resources are changed only in target Kubernetes cluster and no git change detected ( false by default ).