composition.yaml

apiVersion: apiextensions.crossplane.io/v1
kind: Composition
metadata:
  name: kubernetes-cluster
spec:
  compositeTypeRef:
    apiVersion: k8s.crossplane.jonashackt.io/v1alpha1
    kind: XKubernetesCluster
  
  writeConnectionSecretsToNamespace: crossplane-system

  resources:
    ### Nested use of XNetworking XR
    - name: compositeNetworkEKS
      base:
        apiVersion: net.aws.crossplane.jonashackt.io/v1alpha1
        kind: XNetworking
      patches:
        - fromFieldPath: spec.id
          toFieldPath: spec.id
        - fromFieldPath: spec.parameters.region
          toFieldPath: spec.parameters.region
        # provide the subnetIds & securityGroupClusterIds for later use
        - type: ToCompositeFieldPath
          fromFieldPath: status.subnetIds
          toFieldPath: status.subnetIds
          policy:
            fromFieldPath: Required
        - type: ToCompositeFieldPath
          fromFieldPath: status.securityGroupClusterIds
          toFieldPath: status.securityGroupClusterIds
          policy:
            fromFieldPath: Required
    
    ### Nested use of XEKSCluster XR
    - name: compositeClusterEKS
      base:
        apiVersion: eks.aws.crossplane.jonashackt.io/v1alpha1
        kind: XEKSCluster
      connectionDetails:
        - fromConnectionSecretKey: kubeconfig
      patches:
        - fromFieldPath: spec.id
          toFieldPath: spec.id
        - fromFieldPath: spec.id
          toFieldPath: metadata.annotations[crossplane.io/external-name]
        - fromFieldPath: metadata.uid
          toFieldPath: spec.writeConnectionSecretToRef.name
          transforms:
            - type: string
              string:
                fmt: "%s-eks"
        - fromFieldPath: spec.writeConnectionSecretToRef.namespace
          toFieldPath: spec.writeConnectionSecretToRef.namespace
        - fromFieldPath: spec.parameters.region
          toFieldPath: spec.parameters.region
        - fromFieldPath: spec.parameters.nodes.count
          toFieldPath: spec.parameters.nodes.count
        - fromFieldPath: status.subnetIds
          toFieldPath: spec.parameters.subnetIds
          policy:
            fromFieldPath: Required
        - fromFieldPath: status.securityGroupClusterIds
          toFieldPath: spec.parameters.securityGroupClusterIds
          policy:
            fromFieldPath: Required