Overlaying to a Package

original.yaml

apiVersion: data.packaging.carvel.dev/v1alpha1
kind: Package
metadata:
  name: scp-toolkit.tanzu.vmware.com.0.3.0
  namespace: scp-toolkit
spec:
  refName: scp-toolkit.tanzu.vmware.com
  version: 0.3.0
  releaseNotes: |
    * Updated support for authentication to private registries to use new method introduced by kapp-controller v0.24.0 and secretgen-controller v0.5.0, see [Authenticating to Private Registries](https://carvel.dev/kapp-controller/docs/latest/private-registry-auth/).
    * Increased the resource requirements and limits for Deployments, see [Resource Requirements](/reference/resource_requirements.md) for details.
    * Fixed an issue that did not allow the kubectl-scp plugin to federate multiple APIs from the same group.
    * Fixed replicated Secret not being cleaned up from workload clusters on deletion of original Secret.
    * Fixed incorrect RoleBinding roleRef created by `SecretExport` in Resource Replication.
    * Removed creation of redundant Role and RoleBinding resources by kubectl-scp plugin for Resource Replication.
    * Switched controller base images to use [paketobuildpacks/run:tiny](https://github.com/paketo-buildpacks/stacks#tiny).
    * Added support for [service-bindings v0.5.0](https://github.com/vmware-labs/service-bindings/releases/tag/v0.5.0) to kubectl-scp.
  releasedAt: "2021-09-17T13:53:29Z"
  valuesSchema:
    openAPIv3:
      properties: {}
  template:
    spec:
      deploy:
      - kapp: {}
      fetch:
      - imgpkgBundle:
          image: registry.tanzu.vmware.com/scp-toolkit/scp-toolkit-package-bundle@sha256:afbe2a83df495a66b139feec5f9c8a99c267c2df3d009d68a14d4d0f2cb31e91
      template:
      - kbld:
          paths:
          - .imgpkg/images.yml
          - '-'
      - ytt:
          ignoreUnknownComments: true

overlay.yaml

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

#@ def toolkit_overlay():
kind: Package
metadata:
  name: scp-toolkit.tanzu.vmware.com.0.3.0
#@ end

#@overlay/match by=overlay.subset(toolkit_overlay())
---
spec:
  template:
    spec:
      template:
      #@overlay/match by=lambda _,l,r: "ytt" in l, missing_ok=True
      - ytt:
          ignoreUnknownComments: true
      #@overlay/replace
      #@overlay/match by=lambda _,l,r: "kbld" in l
      - kbld:
          #@overlay/replace
          paths:
          - .imgpkg/images.yml
          - '-'