feat: add support for finalizers in application resource

apis/applications/v1alpha1/types.go

@@ -51,6 +51,9 @@ type ApplicationParameters struct {
 
 	// Annotations that will be applied to the ArgoCD Application
 	Annotations map[string]string `json:"annotations,omitempty" protobuf:"bytes,12,opt,name=annotations"`
+
+	// Finalizers added to the ArgoCD Application
+	Finalizers []string `json:"finalizers,omitempty" protobuf:"bytes,13,opt,name=finalizers"`
 }
 
 // ResourceIgnoreDifferences contains resource filter and list of json paths which should be ignored during comparison with live state.

examples/application/application-with-finalizers.yaml

@@ -0,0 +1,23 @@
+---
+# Example using finalizers
+apiVersion: applications.argocd.crossplane.io/v1alpha1
+kind: Application
+metadata:
+  name: example-application-finalizers
+spec:
+  providerConfigRef:
+    name: argocd-provider
+  forProvider:
+    finalizers:
+      - resources-finalizer.argocd.argoproj.io
+    destination:
+      namespace: default
+      server: https://kubernetes.default.svc
+    project: default
+    source:
+      repoURL: https://github.com/bonilla-cesar/argocd
+      path: resources/cm
+      targetRevision: HEAD
+
+
+

package/crds/applications.argocd.crossplane.io_applications.yaml

@@ -248,6 +248,11 @@ spec:
                             type: object
                         type: object
                     type: object
+                  finalizers:
+                    description: Finalizers added to the ArgoCD Application
+                    items:
+                      type: string
+                    type: array
                   ignoreDifferences:
                     description: IgnoreDifferences is a list of resources and their
                       fields which should be ignored during comparison

pkg/controller/applications/comp.go

@@ -1,6 +1,9 @@
 package applications
 
 import (
+	"maps"
+	"slices"
+
 	argocdv1alpha1 "github.com/argoproj/argo-cd/v2/pkg/apis/application/v1alpha1"
 	"github.com/google/go-cmp/cmp"
 	"github.com/google/go-cmp/cmp/cmpopts"
@@ -19,5 +22,10 @@ func IsApplicationUpToDate(cr *v1alpha1.ApplicationParameters, remote *argocdv1a
 		// the unexported fields should not bother here, since we don't copy them or write them
 		cmpopts.IgnoreUnexported(argocdv1alpha1.ApplicationDestination{}),
 	}
-	return cmp.Equal(*cluster, remote.Spec, opts...) && cmp.Equal(cr.Annotations, remote.Annotations, opts...)
+
+	// Sort finalizer slices for comparison
+	slices.Sort(cr.Finalizers)
+	slices.Sort(remote.Finalizers)
+
+	return cmp.Equal(*cluster, remote.Spec, opts...) && maps.Equal(cr.Annotations, remote.Annotations) && slices.Equal(cr.Finalizers, remote.Finalizers)
 }

pkg/controller/applications/controller.go

@@ -217,6 +217,7 @@ func generateCreateApplicationRequest(cr *v1alpha1.Application) *application.App
 		ObjectMeta: metav1.ObjectMeta{
 			Name:        meta.GetExternalName(cr),
 			Annotations: cr.Spec.ForProvider.Annotations,
+			Finalizers:  cr.Spec.ForProvider.Finalizers,
 		},
 		Spec: *spec,
 	}
@@ -238,6 +239,7 @@ func generateUpdateRepositoryOptions(cr *v1alpha1.Application) *application.Appl
 		ObjectMeta: metav1.ObjectMeta{
 			Name:        meta.GetExternalName(cr),
 			Annotations: cr.Spec.ForProvider.Annotations,
+			Finalizers:  cr.Spec.ForProvider.Finalizers,
 		},
 		Spec: *spec,
 	}

pkg/controller/applications/controller_test.go

@@ -47,7 +47,8 @@ var (
 	chartPath                   = "charts/podinfo"
 	revision                    = "HEAD"
 	selfHealEnabled             = true
-	testApplicationAnnotations  = map[string]string{"annotation1": "value1"}
+	testApplicationAnnotations  = map[string]string{"annotation1": "value1", "annotation2": "value2"}
+	testApplicationFinalizers   = []string{"resources-finalizer.argocd.argoproj.io"}
 )
 
 type args struct {
@@ -126,6 +127,7 @@ func TestObserve(t *testing.T) {
 								ObjectMeta: metav1.ObjectMeta{
 									Name:        testApplicationExternalName,
 									Annotations: testApplicationAnnotations,
+									Finalizers:  testApplicationFinalizers,
 								},
 								Spec: argocdv1alpha1.ApplicationSpec{
 									Project: testProjectName,
@@ -165,6 +167,7 @@ func TestObserve(t *testing.T) {
 							},
 						},
 						Annotations: testApplicationAnnotations,
+						Finalizers:  testApplicationFinalizers,
 					}),
 				),
 			},
@@ -187,6 +190,7 @@ func TestObserve(t *testing.T) {
 							},
 						},
 						Annotations: testApplicationAnnotations,
+						Finalizers:  testApplicationFinalizers,
 					}),
 					withConditions(xpv1.Available()),
 					withObservation(initializedArgoAppStatus()),
@@ -216,6 +220,7 @@ func TestObserve(t *testing.T) {
 								ObjectMeta: metav1.ObjectMeta{
 									Name:        testApplicationExternalName,
 									Annotations: testApplicationAnnotations,
+									Finalizers:  testApplicationFinalizers,
 								},
 								Spec: argocdv1alpha1.ApplicationSpec{
 									Project: testProjectName,
@@ -250,6 +255,7 @@ func TestObserve(t *testing.T) {
 							},
 						},
 						Annotations: testApplicationAnnotations,
+						Finalizers:  testApplicationFinalizers,
 					}),
 				),
 			},
@@ -272,6 +278,7 @@ func TestObserve(t *testing.T) {
 							},
 						},
 						Annotations: testApplicationAnnotations,
+						Finalizers:  testApplicationFinalizers,
 					}),
 					withConditions(xpv1.Available()),
 					withObservation(initializedArgoAppStatus()),
@@ -505,6 +512,7 @@ func TestUpdate(t *testing.T) {
 								ObjectMeta: metav1.ObjectMeta{
 									Name:        testApplicationExternalName,
 									Annotations: testApplicationAnnotations,
+									Finalizers:  testApplicationFinalizers,
 								},
 								Spec: argocdv1alpha1.ApplicationSpec{
 									Project: testProjectName,
@@ -518,6 +526,7 @@ func TestUpdate(t *testing.T) {
 						ObjectMeta: metav1.ObjectMeta{
 							Name:        testApplicationExternalName,
 							Annotations: testApplicationAnnotations,
+							Finalizers:  testApplicationFinalizers,
 						},
 					}, nil)
 				}),
@@ -529,6 +538,7 @@ func TestUpdate(t *testing.T) {
 							Namespace: &testDestinationNamespace,
 						},
 						Annotations: testApplicationAnnotations,
+						Finalizers:  testApplicationFinalizers,
 					}),
 					withExternalName(testApplicationExternalName),
 				),
@@ -542,6 +552,7 @@ func TestUpdate(t *testing.T) {
 							Namespace: &testDestinationNamespace,
 						},
 						Annotations: testApplicationAnnotations,
+						Finalizers:  testApplicationFinalizers,
 					}),
 					withExternalName(testApplicationExternalName),
 				),