composition-pipeline.yaml

apiVersion: apiextensions.crossplane.io/v1
kind: Composition
metadata:
  name: xcidrs.platform.upbound.io
spec:
  compositeTypeRef:
    apiVersion: platform.upbound.io/v1alpha1
    kind: XCIDR
  mode: Pipeline
  pipeline:
    - step: cidr-subnets-partitions
      functionRef:
        name: upbound-function-cidr
      input:
        apiVersion: cidr.fn.crossplane.io/v1beta1
        kind: Parameters
        cidrFunc: cidrsubnets
        prefixField: spec.parameters.cidrBlock
        newBits:
          - 1
          - 1
        outputField: status.atFunction.cidr.partitions
    - step: cidr-subnets-private
      functionRef:
        name: upbound-function-cidr
      input:
        apiVersion: cidr.fn.crossplane.io/v1beta1
        kind: Parameters
        cidrFunc: cidrsubnets
        prefixField: desired.composite.resource.status.atFunction.cidr.partitions[0]
        newBits:
          - 1
          - 1
        outputField: status.atFunction.cidr.private.subnets
    - step: cidr-subnets-public
      functionRef:
        name: upbound-function-cidr
      input:
        apiVersion: cidr.fn.crossplane.io/v1beta1
        kind: Parameters
        cidrFunc: cidrsubnets
        prefixField: desired.composite.resource.status.atFunction.cidr.partitions[1]
        newBits:
          - 1
          - 1
        outputField: status.atFunction.cidr.public.subnets
  ## To debug the pipeline output you can generate a new resource which contains all attributes. Make sure to add function-go-templating to functions.yaml.
  # - step: render-templates
  #   functionRef:
  #     name: function-go-templating
  #   input:
  #     apiVersion: gotemplate.fn.crossplane.io/v1beta1
  #     kind: GoTemplate
  #     source: Inline
  #     inline:
  #       template: |
  #         apiVersion: test.my-domain.com/v1alpha1
  #         kind: DebugResource
  #         metadata:
  #           annotations:
  #             gotemplating.fn.crossplane.io/composition-resource-name: debug
  #         debug:
  #         {{ . | toYaml | nindent 2 }}
  #         debugValue:
  #         {{ index .desired.composite.resource.status.atFunction.cidr.public.subnets 0 | nindent 2 }}