A Crossplane composition for an Azure Blob storage resource

blob-composition.yaml

apiVersion: apiextensions.crossplane.io/v1
kind: Composition
metadata:
  name: xblobs.infrastructure.example.org
  labels:
    provider: azure
spec:
  compositeTypeRef:
    apiVersion: infrastructure.example.org/v1alpha1
    kind: XBlob
  resources:
    - base: 
        apiVersion: azure.upbound.io/v1beta1
        kind: ResourceGroup
        spec:
          forProvider:
            location: westus
      patches:
        - fromFieldPath: spec.parameters.resourcegroup
          toFieldPath: metadata.annotations[crossplane.io/external-name]
    - base:
        apiVersion: storage.azure.upbound.io/v1beta1
        kind: Account
        metadata:
            name: storageaccount
        spec:
          forProvider:
            accountReplicationType: LRS
            accountTier: Standard
            location: westus
            resourceGroupNameSelector:
              matchControllerRef: true
            tags:
              provisioner: Upbound
          writeConnectionSecretToRef:
            name: blob-storage-account
            namespace: upbound-system
      patches:
        - fromFieldPath: spec.id
          toFieldPath: metadata.annotations[crossplane.io/external-name]
    - base:
        apiVersion: storage.azure.upbound.io/v1beta1
        kind: Container
        spec:
          forProvider:
            containerAccessType: private
            storageAccountNameSelector:
              matchControllerRef: true
      patches:
        - fromFieldPath: spec.id
          toFieldPath: metadata.annotations[crossplane.io/external-name]
          transforms:
            - type: string
              string:
                fmt: "%s-container"
        - fromFieldPath: spec.id
          toFieldPath: metadata.name
          transforms:
            - type: string
              string:
                fmt: "%s-container"
    - base:
        apiVersion: storage.azure.upbound.io/v1beta1
        kind: Blob
        spec:
          forProvider:
            storageAccountNameSelector:
              matchControllerRef: true
            storageContainerNameSelector:
              matchControllerRef: true
            type: Block
      patches:
        - fromFieldPath: spec.id
          toFieldPath: metadata.annotations[crossplane.io/external-name]