base-supplychain.yaml

...
  - name: config-provider
    templateRef:
      kind: ClusterConfigTemplate
      name: convention-template
    params:
    - name: serviceAccount
      value: default
    images:
    - resource: image-provider
      name: image
  - name: app-config
    templateRef:
      kind: ClusterConfigTemplate
      name: appconfig-template
    configs:
    - resource: config-provider
      name: config
  - name: service-bindings
    templateRef:
      kind: ClusterConfigTemplate
      name: apply-bindings
    configs:
    - resource: app-config
      name: app_def
...

---
apiVersion: carto.run/v1alpha1
kind: ClusterConfigTemplate
metadata:
  name: appconfig-template
spec:
  configPath: '.status.resources[?(@.name="appconfig")].outputs'
  healthRule:
    alwaysHealthy: {}
  template:
    apiVersion: carto.run/v1alpha1
    kind: Workload
    metadata:
      name: $(workload.metadata.name)$-appconfig
      labels:
        tanzu-workload-type: $(workload.metadata.labels["apps.tanzu.vmware.com/workload-type"])$
    spec:
      params:
      - name: podIntent
        value: $(config)$
      - name: workloadName
        value: $(workload.metadata.name)$
      

knative-extension.yml

apiVersion: carto.run/v1alpha1
kind: ClusterConfigTemplate
metadata:
  name: knative-template
spec:
  configPath: .data
  healthRule:
    alwaysHealthy: {}

  ytt: |
    #@ load("@ytt:data", "data")

    #@ def delivery():
    apiVersion: serving.knative.dev/v1
    kind: Service
    metadata:
      name: #@ data.values.workloadName
    spec:
      template: #@ data.values.config
    #@ end
    ---
    apiVersion: v1
    kind: ConfigMap
    metadata:
      name: #@ data.values.workloadName
    data:
      delivery.yml: #@ yaml.encode(delivery())
---
apiVersion: carto.run/v1alpha1
kind: ClusterSupplyChain
metadata:
  name: web-app-config
spec:
  selector:
    tanzu-workload-type: web
  params:
  - name: podIntent
  - name: workloadName
  resources:
  - name: appconfig  # Note: name must match supplychain.yml, line 43 in the templated Workload
    templateRef:
      kind: ClusterConfigTemplate
      name: knative-template
    # Params are carried through

worker-extension.yml

apiVersion: carto.run/v1alpha1
kind: ClusterConfigTemplate
metadata:
  name: worker-template
spec:
  configPath: .data
  healthRule:
    alwaysHealthy: {}

  ytt: |
    #@ load("@ytt:data", "data")

    #@ def delivery():
    apiVersion: apps/v1
    kind: Deployment
    metadata:
      name: #@ data.values.workloadName
    spec:
      selector:
        matchLabels: #@ data.values.config.metadata.labels
      template: #@ data.values.config
    #@ end
    ---
    apiVersion: v1
    kind: ConfigMap
    metadata:
      name: #@ data.values.workloadName
    data:
      delivery.yml: #@ yaml.encode(delivery())
---
apiVersion: carto.run/v1alpha1
kind: ClusterSupplyChain
metadata:
  name: worker-app-config
spec:
  selector:
    tanzu-workload-type: worker
  params:
  - name: podIntent
  - name: workloadName
  resources:
  - name: appconfig  # Note: name must match supplychain.yml, line 43 in the templated Workload
    templateRef:
      kind: ClusterConfigTemplate
      name: worker-template
    # Params are carried through