argocd-helm/charts/argocd-apps/ci/item-templates.yaml

itemTemplates:
  - items:
      - name: my-appset
        generators: &generators
          - list:
              elements:
                - cluster: engineering-dev
                  url: https://1.2.3.4
                - cluster: engineering-prod
                  url: https://2.4.6.8
                - cluster: finance-preprod
                  url: https://9.8.7.6
    template:
      apiVersion: argoproj.io/v1alpha1
      kind: ApplicationSet
      metadata:
        name: "{{ .name }}"
      spec:
        generators: *generators
        template:
          metadata:
            name: "{{`{{cluster}}`}}-guestbook"
          spec:
            project: my-project
            source:
              repoURL: https://github.com/infra-team/cluster-deployments.git
              targetRevision: HEAD
              path: guestbook/{{`{{cluster}}`}}
            destination:
              server: "{{`{{cluster}}`}}"
              namespace: guestbook
  - items:
      - name: my-appset
        generators:
          - list:
              elements:
                - cluster: engineering-dev
                  url: https://1.2.3.4
                - cluster: engineering-prod
                  url: https://2.4.6.8
                - cluster: finance-preprod
                  url: https://9.8.7.6
    template: |-
      apiVersion: argoproj.io/v1alpha1
      kind: ApplicationSet
      metadata:
        name: {{ .name }}
      spec:
        generators: {{ toYaml .generators | nindent 4 }}
        template:
          metadata:
            name: '{{`{{cluster}}`}}-guestbook'
          spec:
            project: my-project
            source:
              repoURL: https://github.com/infra-team/cluster-deployments.git
              targetRevision: HEAD
              path: guestbook/{{`{{cluster}}`}}
            destination:
              server: '{{`{{cluster}}`}}'
              namespace: guestbook