Remove the managed resource providerConfig query (for now)

internal/graph/model/common_test.go

@@ -371,8 +371,8 @@ func TestGetKubernetesResource(t *testing.T) {
 					ID:       ReferenceID{Name: "cool"},
 					Metadata: &ObjectMeta{Name: "cool"},
 					Spec: &ManagedResourceSpec{
-						ProviderConfigReference: &xpv1.Reference{Name: "pr"},
-						DeletionPolicy:          &dp,
+						ProviderConfigRef: &ProviderConfigReference{Name: "pr"},
+						DeletionPolicy:    &dp,
 					},
 				},
 			},

internal/graph/model/managed.go

@@ -10,9 +10,10 @@ import (
 
 // A ManagedResourceSpec specifies the desired state of a managed resource.
 type ManagedResourceSpec struct {
+	ProviderConfigRef *ProviderConfigReference `json:"providerConfigRef"`
+	DeletionPolicy    *DeletionPolicy          `json:"deletionPolicy"`
+
 	WritesConnectionSecretToReference *xpv1.SecretReference
-	ProviderConfigReference           *xpv1.Reference
-	DeletionPolicy                    *DeletionPolicy `json:"deletionPolicy"`
 }
 
 // GetDeletionPolicy from the supplied Crossplane policy.
@@ -29,6 +30,14 @@ func GetDeletionPolicy(p xpv1.DeletionPolicy) *DeletionPolicy {
 	}
 }
 
+// GetProviderConfigReference from the supplied Crossplane reference.
+func GetProviderConfigReference(in *xpv1.Reference) *ProviderConfigReference {
+	if in == nil {
+		return nil
+	}
+	return &ProviderConfigReference{Name: in.Name}
+}
+
 // GetManagedResourceStatus from the supplied Crossplane resource.
 func GetManagedResourceStatus(in *unstructured.Managed) *ManagedResourceStatus {
 	c := in.GetConditions()
@@ -53,7 +62,7 @@ func GetManagedResource(u *kunstructured.Unstructured) ManagedResource {
 		Metadata:   GetObjectMeta(mg),
 		Spec: &ManagedResourceSpec{
 			WritesConnectionSecretToReference: mg.GetWriteConnectionSecretToReference(),
-			ProviderConfigReference:           mg.GetProviderConfigReference(),
+			ProviderConfigRef:                 GetProviderConfigReference(mg.GetProviderConfigReference()),
 			DeletionPolicy:                    GetDeletionPolicy(mg.GetDeletionPolicy()),
 		},
 		Status: GetManagedResourceStatus(mg),

internal/graph/model/managed_test.go

@@ -48,9 +48,9 @@ func TestGetManagedResource(t *testing.T) {
 					Name: "cool",
 				},
 				Spec: &ManagedResourceSpec{
-					ProviderConfigReference:           &xpv1.Reference{Name: "coolprov"},
-					WritesConnectionSecretToReference: &xpv1.SecretReference{Name: "coolsecret"},
+					ProviderConfigRef:                 &ProviderConfigReference{Name: "coolprov"},
 					DeletionPolicy:                    &orphan,
+					WritesConnectionSecretToReference: &xpv1.SecretReference{Name: "coolsecret"},
 				},
 				Status: &ManagedResourceStatus{
 					Conditions: []Condition{{}},

internal/graph/resolvers/managed.go

@@ -62,10 +62,3 @@ func (r *managedResourceSpec) ConnectionSecret(ctx context.Context, obj *model.M
 	out := model.GetSecret(s)
 	return &out, nil
 }
-
-func (r *managedResourceSpec) ProviderConfig(ctx context.Context, obj *model.ManagedResourceSpec) (*model.ProviderConfig, error) {
-	// TODO(negz): How can we resolve this? We only know the name of the config,
-	// not its apiVersion and kind. I can't immediately think of an approach
-	// that isn't hacky and/or expensive.
-	return nil, nil
-}

schema/managed.gql

@@ -42,7 +42,7 @@ type ManagedResourceSpec {
   The provider configuration configures how this managed resource interacts
   with an external system.
   """
-  providerConfig: ProviderConfig @goField(forceResolver: true)
+  providerConfigRef: ProviderConfigReference
 
   """
   The deletion policy specifies what will happen to the underlying external
@@ -51,6 +51,14 @@ type ManagedResourceSpec {
   deletionPolicy: DeletionPolicy
 }
 
+"""
+A reference to the ProviderConfig used by a particular managed resource.
+"""
+type ProviderConfigReference {
+  "Name of the provider config."
+  name: String!
+}
+
 """
 A DeletionPolicy specifies what will happen to the underlying external resource
 when this managed resource is deleted - either "Delete" or "Orphan" the external