Add DataSourceRef field to PVC spec

Modify the behavior of the AnyVolumeDataSource alpha feature gate to enable
a new field, DataSourceRef, rather than modifying the behavior of the
existing DataSource field. This allows addition Volume Populators in a way
that doesn't risk breaking backwards compatibility, although it will
result in eventually deprecating the DataSource field.

Kubernetes-commit: 00dba76918e8ce5b5cff6719bbd64c2cd38ad4e2

applyconfigurations/core/v1/persistentvolumeclaimspec.go

@@ -33,6 +33,7 @@ type PersistentVolumeClaimSpecApplyConfiguration struct {
 	StorageClassName *string                                      `json:"storageClassName,omitempty"`
 	VolumeMode       *v1.PersistentVolumeMode                     `json:"volumeMode,omitempty"`
 	DataSource       *TypedLocalObjectReferenceApplyConfiguration `json:"dataSource,omitempty"`
+	DataSourceRef    *TypedLocalObjectReferenceApplyConfiguration `json:"dataSourceRef,omitempty"`
 }
 
 // PersistentVolumeClaimSpecApplyConfiguration constructs an declarative configuration of the PersistentVolumeClaimSpec type for use with
@@ -98,3 +99,11 @@ func (b *PersistentVolumeClaimSpecApplyConfiguration) WithDataSource(value *Type
 	b.DataSource = value
 	return b
 }
+
+// WithDataSourceRef sets the DataSourceRef field in the declarative configuration to the given value
+// and returns the receiver, so that objects can be built by chaining "With" function invocations.
+// If called multiple times, the DataSourceRef field is set to the value of the last call.
+func (b *PersistentVolumeClaimSpecApplyConfiguration) WithDataSourceRef(value *TypedLocalObjectReferenceApplyConfiguration) *PersistentVolumeClaimSpecApplyConfiguration {
+	b.DataSourceRef = value
+	return b
+}

applyconfigurations/internal/internal.go

@@ -4916,6 +4916,9 @@ var schemaYAML = typed.YAMLObject(`types:
     - name: dataSource
       type:
         namedType: io.k8s.api.core.v1.TypedLocalObjectReference
+    - name: dataSourceRef
+      type:
+        namedType: io.k8s.api.core.v1.TypedLocalObjectReference
     - name: resources
       type:
         namedType: io.k8s.api.core.v1.ResourceRequirements