chore: Use client instead of APIReader + Add observedGeneration to status Conditions

Makefile

@@ -35,6 +35,9 @@ mocks: install-mockery ## Build mocks
 	@echo -n "building mocks for sigs.k8s.io/controller-runtime/pkg/client ... "
 	@bin/mockery --quiet --name="(Object|Client|Status|Reader|SubResourceWriter)" --case=underscore --output=mocks/controller-runtime/pkg/client --dir="$(CONTROLLER_RUNTIME_DIR)/pkg/client"
 	@echo "ok."
+	@echo -n "building mocks for sigs.k8s.io/controller-runtime/pkg/cache ... "
+	@bin/mockery --quiet --name="(Cache)" --case=underscore --output=mocks/controller-runtime/pkg/cache --dir="$(CONTROLLER_RUNTIME_DIR)/pkg/cache"
+	@echo "ok."
 
 help:           ## Show this help.
 	@grep -F -h "##" $(MAKEFILE_LIST) | grep -F -v grep | sed -e 's/\\$$//' \

apis/core/v1alpha1/annotations.go

@@ -82,7 +82,7 @@ const (
 	// ACK service controller.
 	AnnotationReadOnly = AnnotationPrefix + "read-only"
 	// AnnotationAdoptionPolicy is an annotation whose value is the identifier for whether
-	// we will attempt adoption only (value = adopt-only) or attempt a create if resource 
+	// we will attempt adoption only (value = adopt-only) or attempt a create if resource
 	// is not found (value adopt-or-create).
 	//
 	// NOTE (michaelhtm): Currently create-or-adopt is not supported

apis/core/v1alpha1/conditions.go

@@ -72,6 +72,11 @@ type Condition struct {
 	Type ConditionType `json:"type"`
 	// Status of the condition, one of True, False, Unknown.
 	Status corev1.ConditionStatus `json:"status"`
+	// observedGeneration represents the .metadata.generation that the condition was set based upon.
+	// For instance, if .metadata.generation is currently 12, but the .status.conditions[x].observedGeneration 
+	// is 9, the condition is out of date with respect to the current state of the instance.
+	// +optional
+	ObservedGeneration int64 `json:"observedGeneration,omitempty"`
 	// Last time the condition transitioned from one status to another.
 	// +optional
 	LastTransitionTime *metav1.Time `json:"lastTransitionTime,omitempty"`