composition.yaml

apiVersion: apiextensions.crossplane.io/v1
kind: Composition
metadata:
  name: example-function-get-composite-resource
spec:
  compositeTypeRef:
    apiVersion: example.crossplane.io/v1beta1
    kind: XR
  mode: Pipeline
  pipeline:
    - step: render-templates
      functionRef:
        name: function-go-templating
      input:
        apiVersion: gotemplating.fn.crossplane.io/v1beta1
        kind: GoTemplate
        source: Inline
        inline:
          template: |
            ---
            # Use a getCompositeResource to retrieve the XR 
            {{ $xr := getCompositeResource . }}
            
            apiVersion: dbforpostgresql.azure.upbound.io/v1beta1
            kind: FlexibleServer
            metadata:
              annotations:
                {{ setResourceNameAnnotation "flexserver" }}
                gotemplating.fn.crossplane.io/ready: "False"
            spec:
              forProvider:
            
                # Use the XR object to set values 
                adminLogin: {{ get $xr.spec "adminLogin" }}
                location: {{ get $xr.spec "location" }}