runtime changes for supporting resource references (#62)

Issue #, if available: aws-controllers-k8s/community#1063

Description of changes:

* Add new `ResolveReferences` method to AWSResourceManager interface
* Add new condition `ACK.ReferencesResolved`
* Update mockery to 2.9.4(Supports binary for apple M1 architecture)
* remove deprecated 'trivialVersions' for deepcopy generation
* reconciler changes for resolving resource references

By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license.

Author: vijtrip2

apis/core/v1alpha1/conditions.go

@@ -52,6 +52,16 @@ const (
 	// "True" status indicates that the resource fields have been late initialized
 	// "False" status indicates that the resource fields are in process of being late initialized.
 	ConditionTypeLateInitialized ConditionType = "ACK.LateInitialized"
+	// ConditionTypeReferencesResolved indicates whether all the references of
+	// type AWSResourceReference have been resolved or not.
+	//
+	// Absence of this condition means there are no references to be resolved.
+	// "True" status indicates that the resource references have been resolved.
+	// "Unknown" status indicates that the resource references are in process of
+	// being resolved
+	// "False" status indicates that the resource references failed to resolve.
+	// For Ex: When referenced resource is in terminal condition
+	ConditionTypeReferencesResolved ConditionType = "ACK.ReferencesResolved"
 )
 
 // Condition is the common struct used by all CRDs managed by ACK service

apis/core/v1alpha1/identifiers.go

@@ -35,3 +35,19 @@ type TargetKubernetesResource struct {
 	Kind     string             `json:"kind"`
 	Metadata *PartialObjectMeta `json:"metadata,omitempty"`
 }
+
+// AWSResourceReferenceWrapper provides a wrapper around *AWSResourceReference
+// type to provide more user friendly syntax for references using 'from' field
+// Ex:
+// APIIDRef:
+//   from:
+//     name: my-api
+type AWSResourceReferenceWrapper struct {
+	From *AWSResourceReference `json:"from,omitempty"`
+}
+
+// AWSResourceReference provides all the values necessary to reference another
+// k8s resource for finding the identifier(Id/ARN/Name)
+type AWSResourceReference struct {
+	Name *string `json:"name,omitempty"`
+}

apis/core/v1alpha1/zz_generated.deepcopy.go

@@ -4,7 +4,7 @@ apiVersion: apiextensions.k8s.io/v1
 kind: CustomResourceDefinition
 metadata:
   annotations:
-    controller-gen.kubebuilder.io/version: v0.4.0
+    controller-gen.kubebuilder.io/version: v0.7.0
   creationTimestamp: null
   name: adoptedresources.services.k8s.aws
 spec: