render: Remove unused code

When we switched render to use the high-fidelity engine (`crossplane internal
render`), we left behind some helper functions that are exported but no longer
used. These functions just duplicate functionality from the real composite
controller, so they shouldn't be necessary for any external consumers of the
render code.

Signed-off-by: Adam Wolfe Gordon <awg@upbound.io>

Author: adamwg

cmd/crossplane/render/render.go

@@ -30,8 +30,6 @@ import (
 
 	"github.com/crossplane/crossplane-runtime/v2/pkg/errors"
 	"github.com/crossplane/crossplane-runtime/v2/pkg/logging"
-	"github.com/crossplane/crossplane-runtime/v2/pkg/meta"
-	"github.com/crossplane/crossplane-runtime/v2/pkg/resource"
 	"github.com/crossplane/crossplane-runtime/v2/pkg/resource/unstructured/composed"
 	ucomposite "github.com/crossplane/crossplane-runtime/v2/pkg/resource/unstructured/composite"
 
@@ -42,14 +40,6 @@ import (
 	renderv1alpha1 "github.com/crossplane/cli/v2/proto/render/v1alpha1"
 )
 
-// Annotations added to composed resources.
-const (
-	AnnotationKeyCompositionResourceName = "crossplane.io/composition-resource-name"
-	AnnotationKeyCompositeName           = "crossplane.io/composite"
-	AnnotationKeyClaimNamespace          = "crossplane.io/claim-namespace"
-	AnnotationKeyClaimName               = "crossplane.io/claim-name"
-)
-
 // CompositionInputs contains all inputs to the render process.
 type CompositionInputs struct {
 	CompositeResource   *ucomposite.Unstructured
@@ -154,54 +144,6 @@ func RewriteAddressesForDocker(fns []*renderv1alpha1.FunctionInput) []*renderv1a
 	return fns
 }
 
-// GetSecret retrieves the secret with the specified name and namespace from the provided list of secrets.
-func GetSecret(name string, nameSpace string, secrets []corev1.Secret) (*corev1.Secret, error) {
-	for _, s := range secrets {
-		if s.GetName() == name && s.GetNamespace() == nameSpace {
-			return &s, nil
-		}
-	}
-
-	return nil, errors.Errorf("secret %q not found", name)
-}
-
-// SetComposedResourceMetadata sets standard, required composed resource
-// metadata. It mirrors the behavior of RenderComposedResourceMetadata in
-// Crossplane's composition controller.
-func SetComposedResourceMetadata(cd resource.Object, xr resource.LegacyComposite, name string) error {
-	namePrefix := xr.GetLabels()[AnnotationKeyCompositeName]
-	if namePrefix == "" {
-		namePrefix = xr.GetName()
-	}
-
-	if cd.GetName() == "" && cd.GetGenerateName() == "" {
-		cd.SetGenerateName(namePrefix + "-")
-	}
-
-	if xr.GetNamespace() != "" {
-		cd.SetNamespace(xr.GetNamespace())
-	}
-
-	meta.AddAnnotations(cd, map[string]string{AnnotationKeyCompositionResourceName: name})
-	meta.AddLabels(cd, map[string]string{AnnotationKeyCompositeName: namePrefix})
-
-	if xr.GetLabels()[AnnotationKeyClaimName] != "" && xr.GetLabels()[AnnotationKeyClaimNamespace] != "" {
-		meta.AddLabels(cd, map[string]string{
-			AnnotationKeyClaimNamespace: xr.GetLabels()[AnnotationKeyClaimNamespace],
-			AnnotationKeyClaimName:      xr.GetLabels()[AnnotationKeyClaimName],
-		})
-	} else if ref := xr.GetClaimReference(); ref != nil {
-		meta.AddLabels(cd, map[string]string{
-			AnnotationKeyClaimNamespace: ref.Namespace,
-			AnnotationKeyClaimName:      ref.Name,
-		})
-	}
-
-	or := meta.AsController(meta.TypedReferenceTo(xr, xr.GetObjectKind().GroupVersionKind()))
-
-	return errors.Wrapf(meta.AddControllerReference(cd, or), "cannot set composite resource %q as controller ref of composed resource", xr.GetName())
-}
-
 // injectNetworkAnnotation sets the Docker network annotation on all functions
 // so their containers join the specified network.
 func injectNetworkAnnotation(fns []pkgv1.Function, networkName string) {