composition-pipeline-context.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: pull-extra-resources
      functionRef:
        name: function-extra-resources
      input:
        apiVersion: extra-resources.fn.crossplane.io/v1beta1
        kind: Input
        spec:
          extraResources:
            - kind: XCluster
              into: XCluster
              apiVersion: example.crossplane.io/v1
              type: Selector
              selector:
                maxMatch: 2
                minMatch: 1
                matchLabels:
                  - key: type
                    type: Value
                    value: cluster
    - step: debug-context
      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: DebugContext
            metadata:
              annotations:
                gotemplating.fn.crossplane.io/composition-resource-name: debug-context
            debug:
            {{ . | toYaml | nindent 2 }}
    - step: cidr-subnets-partitions
      functionRef:
        name: upbound-function-cidr
      input:
        apiVersion: cidr.fn.crossplane.io/v1beta1
        kind: Parameters
        cidrFunc: cidrsubnets
        prefixField: context.apiextensions\.crossplane\.io/extra-resources.XCluster.0.spec.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 }}