README.md

$ kubectl get clusterrolebinding | grep admin-binding
provider-kubernetes-admin-binding                                                ClusterRole/cluster-admin                                                                    64m
kcl-function-admin-binding                                                       ClusterRole/cluster-admin                                                                    58m
provider-helm-admin-binding                                                      ClusterRole/cluster-admin                                                                    58m
crossplane-admin-binding                                                         ClusterRole/cluster-admin                                                                    3m37s
$ kubectl apply -f xrd-claim.yaml -f function-kcl.yaml
$ kubectl apply -f resource.yaml
$ kubectl get composite
NAME             SYNCED   READY   COMPOSITION   AGE
test-yyy-wb9mg   False            example       15m
$ kubectl describe composite
....
Status:
  Conditions:
    Last Transition Time:  2024-05-07T11:35:15Z
    Message:               cannot compose resources: cannot update composite resource spec.resourceRefs: failed to create typed patch object (/test-yyy-wb9mg; crossplane.io/v1beta1, Kind=XExample): .spec.resourceRefs[0].namespace: field not declared in schema
    Reason:                ReconcileError
    Status:                False
    Type:                  Synced
Events:
  Type     Reason             Age                From                                                             Message
  ----     ------             ----               ----                                                             -------
  Normal   SelectComposition  16m                defined/compositeresourcedefinition.apiextensions.crossplane.io  Successfully selected composition: example
  Normal   SelectComposition  16m                defined/compositeresourcedefinition.apiextensions.crossplane.io  Selected composition revision: example-a6fcde9
  Warning  ComposeResources   7s (x22 over 16m)  defined/compositeresourcedefinition.apiextensions.crossplane.io  cannot compose resources: cannot update composite resource spec.resourceRefs: failed to create typed patch object (/test-yyy-wb9mg; crossplane.io/v1beta1, Kind=XExample): .spec.resourceRefs[0].namespace: field not declared in schema

function-kcl.yaml

apiVersion: apiextensions.crossplane.io/v1
kind: Composition
metadata:
  name: example
spec:
  compositeTypeRef:
    apiVersion: crossplane.io/v1beta1
    kind: XExample
  mode: Pipeline
  pipeline:
    - step: normal
      functionRef:
        name: kcl-function
      input:
        apiVersion: krm.kcl.dev/v1alpha1
        kind: KCLRun
        spec:
          source: |
            items = [
              {
                apiVersion = "v1"
                kind = "ConfigMap"
                metadata.name = "test-configmap"
                metadata.namespace = "default"
                data = {
                  foo = "bar"
                }
              }
            ]

resource.yaml

apiVersion: crossplane.io/v1beta1
kind: Example
metadata:
  name: test-yyy
spec:
  name: "team-d"

xrd-claim.yaml

apiVersion: apiextensions.crossplane.io/v1
kind: CompositeResourceDefinition
metadata:
  name: xexamples.crossplane.io
spec:
  group: crossplane.io
  names:
    kind: XExample
    plural: xexamples
  claimNames:
    kind: Example
    plural: examples
  versions:
  - name: v1beta1
    served: true
    referenceable: true
    schema:
      openAPIV3Schema:
        type: object
        properties:
          spec:
            type: object
            properties:
              name:
                type: string