✨ addon: add support for multiple GVK (#585)

* addon: add support for multiple GVK adds test cases updates mergeAddonConfig function to match new multi same-gvk configs Signed-off-by: Joao Marcal <jmarcal@redhat.com> * add more UT Signed-off-by: haoqing0110 <qhao@redhat.com> * modify code Signed-off-by: haoqing0110 <qhao@redhat.com> --------- Signed-off-by: Joao Marcal <jmarcal@redhat.com> Signed-off-by: haoqing0110 <qhao@redhat.com> Co-authored-by: Joao Marcal <jmarcal@redhat.com>
2026-02-14 18:09:57 +00:00 · 2024-08-13 09:52:39 +08:00
parent fbdeb3efa1
commit dfa835d674
9 changed files with 1035 additions and 265 deletions
--- a/pkg/addon/controllers/addonconfiguration/addon_configuration_reconciler.go
+++ b/pkg/addon/controllers/addonconfiguration/addon_configuration_reconciler.go
@@ -46,36 +46,45 @@ func (d *managedClusterAddonConfigurationReconciler) mergeAddonConfig(
 	mca *addonv1alpha1.ManagedClusterAddOn, desiredConfigMap addonConfigMap) *addonv1alpha1.ManagedClusterAddOn {
 	mcaCopy := mca.DeepCopy()

-	var mergedConfigs []addonv1alpha1.ConfigReference
-	// remove configs that are not desired
-	for _, config := range mcaCopy.Status.ConfigReferences {
-		if _, ok := desiredConfigMap[config.ConfigGroupResource]; ok {
-			mergedConfigs = append(mergedConfigs, config)
+	mergedConfigs := make(addonConfigMap)
+	// First go through the configReferences listed in mca status,
+	// if the existing config (gvk + namespace + name) is also in the desiredConfigMap, append it to mergedConfigs,
+	// this will save the LastAppliedConfig and LastObservedGeneration from mca status.
+	for _, configRef := range mcaCopy.Status.ConfigReferences {
+		gr := configRef.ConfigGroupResource
+		if _, ok := mergedConfigs[gr]; !ok {
+			mergedConfigs[gr] = []addonv1alpha1.ConfigReference{}
+		}
+		if _, ok := desiredConfigMap.containsConfig(gr, configRef.DesiredConfig.ConfigReferent); ok {
+			mergedConfigs[gr] = append(mergedConfigs[gr], configRef)
 		}
 	}

-	// append or update configs
-	for _, config := range desiredConfigMap {
-		var match bool
-		for i := range mergedConfigs {
-			if mergedConfigs[i].ConfigGroupResource != config.ConfigGroupResource {
-				continue
+	// Then go through the desiredConfigMap, for each configReference,
+	// if the desired config (gvk + namespace + name) is aleady in the mergedConfigs,
+	// update the ConfigReferent and DesiredConfig (including desired spechash) to mergedConfigs.
+	// else just append it to the mergedConfigs.
+	for gr, configReferences := range desiredConfigMap {
+		for _, configRef := range configReferences {
+			if _, ok := mergedConfigs[gr]; !ok {
+				mergedConfigs[gr] = []addonv1alpha1.ConfigReference{}
 			}

-			match = true
-			// set LastObservedGeneration to 0 when config name/namespace changes
-			if mergedConfigs[i].DesiredConfig != nil && (mergedConfigs[i].DesiredConfig.ConfigReferent != config.DesiredConfig.ConfigReferent) {
-				mergedConfigs[i].LastObservedGeneration = 0
+			referent := configRef.DesiredConfig.ConfigReferent
+			if i, exist := mergedConfigs.containsConfig(gr, referent); exist {
+				mergedConfigs[gr][i].ConfigReferent = configRef.ConfigReferent
+				mergedConfigs[gr][i].DesiredConfig = configRef.DesiredConfig.DeepCopy()
+			} else {
+				mergedConfigs[gr] = append(mergedConfigs[gr], configRef)
 			}
-			mergedConfigs[i].ConfigReferent = config.ConfigReferent
-			mergedConfigs[i].DesiredConfig = config.DesiredConfig.DeepCopy()
-		}
-
-		if !match {
-			mergedConfigs = append(mergedConfigs, config)
 		}
 	}

-	mcaCopy.Status.ConfigReferences = mergedConfigs
+	// sort by gvk and set the final config references
+	configRefs := []addonv1alpha1.ConfigReference{}
+	for _, gvk := range mergedConfigs.orderedKeys() {
+		configRefs = append(configRefs, mergedConfigs[gvk]...)
+	}
+	mcaCopy.Status.ConfigReferences = configRefs
 	return mcaCopy
 }
--- a/pkg/addon/controllers/addonconfiguration/addon_configuration_reconciler_test.go
+++ b/pkg/addon/controllers/addonconfiguration/addon_configuration_reconciler_test.go
@@ -154,12 +154,264 @@ func TestAddonConfigReconcile(t *testing.T) {
 			},
 		},
 		{
-			name: "mca override",
+			name: "cma install strategy override with multiple same-GVK",
 			managedClusteraddon: []runtime.Object{
-				newManagedClusterAddon("test", "cluster1", []addonv1alpha1.AddOnConfig{{
+				addontesting.NewAddon("test", "cluster1"),
+				addontesting.NewAddon("test", "cluster2"),
+			},
+			placements: []runtime.Object{
+				&clusterv1beta1.Placement{ObjectMeta: metav1.ObjectMeta{Name: "test-placement", Namespace: "default"}},
+			},
+			placementDecisions: []runtime.Object{
+				&clusterv1beta1.PlacementDecision{
+					ObjectMeta: metav1.ObjectMeta{
+						Name:      "test-placement",
+						Namespace: "default",
+						Labels: map[string]string{
+							clusterv1beta1.PlacementLabel:          "test-placement",
+							clusterv1beta1.DecisionGroupIndexLabel: "0",
+						},
+					},
+					Status: clusterv1beta1.PlacementDecisionStatus{
+						Decisions: []clusterv1beta1.ClusterDecision{{ClusterName: "cluster2"}},
+					},
+				},
+			},
+			clusterManagementAddon: addontesting.NewClusterManagementAddon("test", "", "").WithSupportedConfigs(
+				addonv1alpha1.ConfigMeta{
 					ConfigGroupResource: addonv1alpha1.ConfigGroupResource{Group: "core", Resource: "Foo"},
-					ConfigReferent:      addonv1alpha1.ConfigReferent{Name: "test2"},
-				}}, nil, nil),
+					DefaultConfig:       &addonv1alpha1.ConfigReferent{Name: "test"},
+				},
+				addonv1alpha1.ConfigMeta{
+					ConfigGroupResource: addonv1alpha1.ConfigGroupResource{Group: "core", Resource: "Bar"},
+					DefaultConfig:       &addonv1alpha1.ConfigReferent{Name: "test"},
+				},
+			).WithDefaultConfigReferences(
+				addonv1alpha1.DefaultConfigReference{
+					ConfigGroupResource: v1alpha1.ConfigGroupResource{Group: "core", Resource: "Foo"},
+					DesiredConfig: &v1alpha1.ConfigSpecHash{
+						ConfigReferent: v1alpha1.ConfigReferent{Name: "test"},
+						SpecHash:       "hash",
+					},
+				},
+				addonv1alpha1.DefaultConfigReference{
+					ConfigGroupResource: v1alpha1.ConfigGroupResource{Group: "core", Resource: "Bar"},
+					DesiredConfig: &v1alpha1.ConfigSpecHash{
+						ConfigReferent: v1alpha1.ConfigReferent{Name: "test"},
+						SpecHash:       "hash",
+					},
+				},
+			).WithPlacementStrategy(addonv1alpha1.PlacementStrategy{
+				PlacementRef:    addonv1alpha1.PlacementRef{Name: "test-placement", Namespace: "default"},
+				RolloutStrategy: clusterv1alpha1.RolloutStrategy{Type: clusterv1alpha1.All},
+			}).WithInstallProgression(addonv1alpha1.InstallProgression{
+				PlacementRef: addonv1alpha1.PlacementRef{Name: "test-placement", Namespace: "default"},
+				ConfigReferences: []addonv1alpha1.InstallConfigReference{
+					{
+						ConfigGroupResource: v1alpha1.ConfigGroupResource{Group: "core", Resource: "Foo"},
+						DesiredConfig: &v1alpha1.ConfigSpecHash{
+							ConfigReferent: v1alpha1.ConfigReferent{Name: "test1"},
+							SpecHash:       "hash1",
+						},
+					},
+					{
+						ConfigGroupResource: v1alpha1.ConfigGroupResource{Group: "core", Resource: "Foo"},
+						DesiredConfig: &v1alpha1.ConfigSpecHash{
+							ConfigReferent: v1alpha1.ConfigReferent{Name: "test2"},
+							SpecHash:       "hash2",
+						},
+					},
+				},
+			}).Build(),
+			validateAddonActions: func(t *testing.T, actions []clienttesting.Action) {
+				addontesting.AssertActions(t, actions, "patch", "patch")
+				sort.Sort(byPatchName(actions))
+				expectPatchConfigurationAction(t, actions[0], []addonv1alpha1.ConfigReference{
+					{
+						ConfigGroupResource: addonv1alpha1.ConfigGroupResource{Group: "core", Resource: "Bar"},
+						ConfigReferent:      addonv1alpha1.ConfigReferent{Name: "test"},
+						DesiredConfig: &addonv1alpha1.ConfigSpecHash{
+							ConfigReferent: addonv1alpha1.ConfigReferent{Name: "test"},
+							SpecHash:       "hash",
+						},
+						LastObservedGeneration: 0,
+					},
+					{
+						ConfigGroupResource: addonv1alpha1.ConfigGroupResource{Group: "core", Resource: "Foo"},
+						ConfigReferent:      addonv1alpha1.ConfigReferent{Name: "test"},
+						DesiredConfig: &addonv1alpha1.ConfigSpecHash{
+							ConfigReferent: addonv1alpha1.ConfigReferent{Name: "test"},
+							SpecHash:       "hash",
+						},
+						LastObservedGeneration: 0,
+					},
+				})
+				expectPatchConfigurationAction(t, actions[1], []addonv1alpha1.ConfigReference{
+					{
+						ConfigGroupResource: addonv1alpha1.ConfigGroupResource{Group: "core", Resource: "Bar"},
+						ConfigReferent:      addonv1alpha1.ConfigReferent{Name: "test"},
+						DesiredConfig: &addonv1alpha1.ConfigSpecHash{
+							ConfigReferent: addonv1alpha1.ConfigReferent{Name: "test"},
+							SpecHash:       "hash",
+						},
+						LastObservedGeneration: 0,
+					},
+					{
+						ConfigGroupResource: addonv1alpha1.ConfigGroupResource{Group: "core", Resource: "Foo"},
+						ConfigReferent:      addonv1alpha1.ConfigReferent{Name: "test1"},
+						DesiredConfig: &addonv1alpha1.ConfigSpecHash{
+							ConfigReferent: addonv1alpha1.ConfigReferent{Name: "test1"},
+							SpecHash:       "hash1",
+						},
+						LastObservedGeneration: 0,
+					},
+					{
+						ConfigGroupResource: addonv1alpha1.ConfigGroupResource{Group: "core", Resource: "Foo"},
+						ConfigReferent:      addonv1alpha1.ConfigReferent{Name: "test2"},
+						DesiredConfig: &addonv1alpha1.ConfigSpecHash{
+							ConfigReferent: addonv1alpha1.ConfigReferent{Name: "test2"},
+							SpecHash:       "hash2",
+						},
+						LastObservedGeneration: 0,
+					},
+				})
+			},
+		},
+		{
+			name: "mca override with multiple same-GVK",
+			managedClusteraddon: []runtime.Object{
+				newManagedClusterAddon("test", "cluster1", []addonv1alpha1.AddOnConfig{
+					{
+						ConfigGroupResource: addonv1alpha1.ConfigGroupResource{Group: "core", Resource: "Foo"},
+						ConfigReferent:      addonv1alpha1.ConfigReferent{Name: "test2"},
+					},
+					{
+						ConfigGroupResource: addonv1alpha1.ConfigGroupResource{Group: "core", Resource: "Foo"},
+						ConfigReferent:      addonv1alpha1.ConfigReferent{Name: "test3"},
+					},
+				}, nil, nil),
+				addontesting.NewAddon("test", "cluster2"),
+			},
+			placements: []runtime.Object{
+				&clusterv1beta1.Placement{ObjectMeta: metav1.ObjectMeta{Name: "test-placement", Namespace: "default"}},
+			},
+			placementDecisions: []runtime.Object{
+				&clusterv1beta1.PlacementDecision{
+					ObjectMeta: metav1.ObjectMeta{
+						Name:      "test-placement",
+						Namespace: "default",
+						Labels: map[string]string{
+							clusterv1beta1.PlacementLabel:          "test-placement",
+							clusterv1beta1.DecisionGroupIndexLabel: "0",
+						},
+					},
+					Status: clusterv1beta1.PlacementDecisionStatus{
+						Decisions: []clusterv1beta1.ClusterDecision{{ClusterName: "cluster1"}, {ClusterName: "cluster2"}},
+					},
+				},
+			},
+			clusterManagementAddon: addontesting.NewClusterManagementAddon("test", "", "").WithSupportedConfigs(
+				addonv1alpha1.ConfigMeta{
+					ConfigGroupResource: addonv1alpha1.ConfigGroupResource{Group: "core", Resource: "Foo"},
+					DefaultConfig:       &addonv1alpha1.ConfigReferent{Name: "test"},
+				},
+				addonv1alpha1.ConfigMeta{
+					ConfigGroupResource: addonv1alpha1.ConfigGroupResource{Group: "core", Resource: "Bar"},
+				},
+			).WithDefaultConfigReferences(addonv1alpha1.DefaultConfigReference{
+				ConfigGroupResource: v1alpha1.ConfigGroupResource{Group: "core", Resource: "Foo"},
+				DesiredConfig: &v1alpha1.ConfigSpecHash{
+					ConfigReferent: v1alpha1.ConfigReferent{Name: "test"},
+					SpecHash:       "hash",
+				},
+			}).WithPlacementStrategy(addonv1alpha1.PlacementStrategy{
+				PlacementRef:    addonv1alpha1.PlacementRef{Name: "test-placement", Namespace: "default"},
+				RolloutStrategy: clusterv1alpha1.RolloutStrategy{Type: clusterv1alpha1.All},
+			}).WithInstallProgression(addonv1alpha1.InstallProgression{
+				PlacementRef: addonv1alpha1.PlacementRef{Name: "test-placement", Namespace: "default"},
+				ConfigReferences: []addonv1alpha1.InstallConfigReference{
+					{
+						ConfigGroupResource: v1alpha1.ConfigGroupResource{Group: "core", Resource: "Bar"},
+						DesiredConfig: &v1alpha1.ConfigSpecHash{
+							ConfigReferent: v1alpha1.ConfigReferent{Name: "test1"},
+							SpecHash:       "hash1",
+						},
+					},
+					{
+						ConfigGroupResource: v1alpha1.ConfigGroupResource{Group: "core", Resource: "Foo"},
+						DesiredConfig: &v1alpha1.ConfigSpecHash{
+							ConfigReferent: v1alpha1.ConfigReferent{Name: "test1"},
+							SpecHash:       "hash1",
+						},
+					},
+				},
+			}).Build(),
+			validateAddonActions: func(t *testing.T, actions []clienttesting.Action) {
+				addontesting.AssertActions(t, actions, "patch", "patch")
+				sort.Sort(byPatchName(actions))
+				expectPatchConfigurationAction(t, actions[0], []addonv1alpha1.ConfigReference{
+					{
+						ConfigGroupResource: addonv1alpha1.ConfigGroupResource{Group: "core", Resource: "Bar"},
+						ConfigReferent:      addonv1alpha1.ConfigReferent{Name: "test1"},
+						DesiredConfig: &addonv1alpha1.ConfigSpecHash{
+							ConfigReferent: addonv1alpha1.ConfigReferent{Name: "test1"},
+							SpecHash:       "hash1",
+						},
+						LastObservedGeneration: 0,
+					},
+					{
+						ConfigGroupResource: addonv1alpha1.ConfigGroupResource{Group: "core", Resource: "Foo"},
+						ConfigReferent:      addonv1alpha1.ConfigReferent{Name: "test2"},
+						DesiredConfig: &addonv1alpha1.ConfigSpecHash{
+							ConfigReferent: addonv1alpha1.ConfigReferent{Name: "test2"},
+							SpecHash:       "",
+						},
+						LastObservedGeneration: 0,
+					},
+					{
+						ConfigGroupResource: addonv1alpha1.ConfigGroupResource{Group: "core", Resource: "Foo"},
+						ConfigReferent:      addonv1alpha1.ConfigReferent{Name: "test3"},
+						DesiredConfig: &addonv1alpha1.ConfigSpecHash{
+							ConfigReferent: addonv1alpha1.ConfigReferent{Name: "test3"},
+							SpecHash:       "",
+						},
+						LastObservedGeneration: 0,
+					},
+				})
+				expectPatchConfigurationAction(t, actions[1], []addonv1alpha1.ConfigReference{
+					{
+						ConfigGroupResource: addonv1alpha1.ConfigGroupResource{Group: "core", Resource: "Bar"},
+						ConfigReferent:      addonv1alpha1.ConfigReferent{Name: "test1"},
+						DesiredConfig: &addonv1alpha1.ConfigSpecHash{
+							ConfigReferent: addonv1alpha1.ConfigReferent{Name: "test1"},
+							SpecHash:       "hash1",
+						},
+						LastObservedGeneration: 0,
+					},
+					{
+						ConfigGroupResource: addonv1alpha1.ConfigGroupResource{Group: "core", Resource: "Foo"},
+						ConfigReferent:      addonv1alpha1.ConfigReferent{Name: "test1"},
+						DesiredConfig: &addonv1alpha1.ConfigSpecHash{
+							ConfigReferent: addonv1alpha1.ConfigReferent{Name: "test1"},
+							SpecHash:       "hash1",
+						},
+						LastObservedGeneration: 0,
+					}})
+			},
+		},
+		{
+			name: "duplicate configs",
+			managedClusteraddon: []runtime.Object{
+				newManagedClusterAddon("test", "cluster1", []addonv1alpha1.AddOnConfig{
+					{
+						ConfigGroupResource: addonv1alpha1.ConfigGroupResource{Group: "core", Resource: "Foo"},
+						ConfigReferent:      addonv1alpha1.ConfigReferent{Name: "test2"},
+					},
+					{
+						ConfigGroupResource: addonv1alpha1.ConfigGroupResource{Group: "core", Resource: "Foo"},
+						ConfigReferent:      addonv1alpha1.ConfigReferent{Name: "test2"},
+					},
+				}, nil, nil),
 				addontesting.NewAddon("test", "cluster2"),
 			},
 			placements: []runtime.Object{
@@ -183,12 +435,6 @@ func TestAddonConfigReconcile(t *testing.T) {
 			clusterManagementAddon: addontesting.NewClusterManagementAddon("test", "", "").WithSupportedConfigs(addonv1alpha1.ConfigMeta{
 				ConfigGroupResource: addonv1alpha1.ConfigGroupResource{Group: "core", Resource: "Foo"},
 				DefaultConfig:       &addonv1alpha1.ConfigReferent{Name: "test"},
-			}).WithDefaultConfigReferences(addonv1alpha1.DefaultConfigReference{
-				ConfigGroupResource: v1alpha1.ConfigGroupResource{Group: "core", Resource: "Foo"},
-				DesiredConfig: &v1alpha1.ConfigSpecHash{
-					ConfigReferent: v1alpha1.ConfigReferent{Name: "test"},
-					SpecHash:       "hash",
-				},
 			}).WithPlacementStrategy(addonv1alpha1.PlacementStrategy{
 				PlacementRef:    addonv1alpha1.PlacementRef{Name: "test-placement", Namespace: "default"},
 				RolloutStrategy: clusterv1alpha1.RolloutStrategy{Type: clusterv1alpha1.All},
@@ -202,11 +448,17 @@ func TestAddonConfigReconcile(t *testing.T) {
 							SpecHash:       "hash1",
 						},
 					},
+					{
+						ConfigGroupResource: v1alpha1.ConfigGroupResource{Group: "core", Resource: "Foo"},
+						DesiredConfig: &v1alpha1.ConfigSpecHash{
+							ConfigReferent: v1alpha1.ConfigReferent{Name: "test1"},
+							SpecHash:       "hash1",
+						},
+					},
 				},
 			}).Build(),
 			validateAddonActions: func(t *testing.T, actions []clienttesting.Action) {
 				addontesting.AssertActions(t, actions, "patch", "patch")
-				sort.Sort(byPatchName(actions))
 				expectPatchConfigurationAction(t, actions[0], []addonv1alpha1.ConfigReference{{
 					ConfigGroupResource: addonv1alpha1.ConfigGroupResource{Group: "core", Resource: "Foo"},
 					ConfigReferent:      addonv1alpha1.ConfigReferent{Name: "test2"},
@@ -237,6 +489,10 @@ func TestAddonConfigReconcile(t *testing.T) {
 						ConfigReferent: addonv1alpha1.ConfigReferent{Name: "test1"},
 						SpecHash:       "hash1",
 					},
+					LastAppliedConfig: &addonv1alpha1.ConfigSpecHash{
+						ConfigReferent: addonv1alpha1.ConfigReferent{Name: "test1"},
+						SpecHash:       "hash1",
+					},
 					LastObservedGeneration: 1,
 				}}, nil),
 			},
@@ -299,6 +555,10 @@ func TestAddonConfigReconcile(t *testing.T) {
 						ConfigReferent: addonv1alpha1.ConfigReferent{Name: "test1"},
 						SpecHash:       "hash1",
 					},
+					LastAppliedConfig: &addonv1alpha1.ConfigSpecHash{
+						ConfigReferent: addonv1alpha1.ConfigReferent{Name: "test1"},
+						SpecHash:       "hash1",
+					},
 					LastObservedGeneration: 1,
 				}}, nil),
 			},
@@ -350,6 +610,10 @@ func TestAddonConfigReconcile(t *testing.T) {
 						ConfigReferent: addonv1alpha1.ConfigReferent{Name: "test1"},
 						SpecHash:       "hash1new",
 					},
+					LastAppliedConfig: &addonv1alpha1.ConfigSpecHash{
+						ConfigReferent: addonv1alpha1.ConfigReferent{Name: "test1"},
+						SpecHash:       "hash1",
+					},
 					LastObservedGeneration: 1,
 				}})
 			},
--- a/pkg/addon/controllers/addonconfiguration/cma_progressing_reconciler_test.go
+++ b/pkg/addon/controllers/addonconfiguration/cma_progressing_reconciler_test.go
@@ -130,6 +130,13 @@ func TestMgmtAddonProgressingReconcile(t *testing.T) {
 							SpecHash:       "hash1",
 						},
 					},
+					{
+						ConfigGroupResource: addonv1alpha1.ConfigGroupResource{Group: "core", Resource: "Foo"},
+						DesiredConfig: &addonv1alpha1.ConfigSpecHash{
+							ConfigReferent: addonv1alpha1.ConfigReferent{Name: "test2"},
+							SpecHash:       "hash2",
+						},
+					},
 				}
 				return addon
 			}()},
@@ -147,6 +154,13 @@ func TestMgmtAddonProgressingReconcile(t *testing.T) {
 							SpecHash:       "hash1",
 						},
 					},
+					{
+						ConfigGroupResource: addonv1alpha1.ConfigGroupResource{Group: "core", Resource: "Foo"},
+						DesiredConfig: &addonv1alpha1.ConfigSpecHash{
+							ConfigReferent: addonv1alpha1.ConfigReferent{Name: "test2"},
+							SpecHash:       "hash2",
+						},
+					},
 				},
 			}).Build()},
 			placements: []runtime.Object{
@@ -209,6 +223,17 @@ func TestMgmtAddonProgressingReconcile(t *testing.T) {
 							SpecHash:       "hash1",
 						},
 					},
+					{
+						ConfigGroupResource: addonv1alpha1.ConfigGroupResource{Group: "core", Resource: "Foo"},
+						DesiredConfig: &addonv1alpha1.ConfigSpecHash{
+							ConfigReferent: addonv1alpha1.ConfigReferent{Name: "test2"},
+							SpecHash:       "hash2",
+						},
+						LastAppliedConfig: &addonv1alpha1.ConfigSpecHash{
+							ConfigReferent: addonv1alpha1.ConfigReferent{Name: "test2"},
+							SpecHash:       "hash2",
+						},
+					},
 				}
 				return addon
 			}()},
@@ -226,6 +251,13 @@ func TestMgmtAddonProgressingReconcile(t *testing.T) {
 							SpecHash:       "hash1",
 						},
 					},
+					{
+						ConfigGroupResource: addonv1alpha1.ConfigGroupResource{Group: "core", Resource: "Foo"},
+						DesiredConfig: &addonv1alpha1.ConfigSpecHash{
+							ConfigReferent: addonv1alpha1.ConfigReferent{Name: "test2"},
+							SpecHash:       "hash2",
+						},
+					},
 				},
 			}).Build()},
 			placements: []runtime.Object{
@@ -288,6 +320,13 @@ func TestMgmtAddonProgressingReconcile(t *testing.T) {
 							SpecHash:       "hash1",
 						},
 					},
+					{
+						ConfigGroupResource: addonv1alpha1.ConfigGroupResource{Group: "core", Resource: "Foo"},
+						DesiredConfig: &addonv1alpha1.ConfigSpecHash{
+							ConfigReferent: addonv1alpha1.ConfigReferent{Name: "test2"},
+							SpecHash:       "hash2",
+						},
+					},
 				}
 				return addon
 			}()},
@@ -309,6 +348,17 @@ func TestMgmtAddonProgressingReconcile(t *testing.T) {
 							SpecHash:       "hash",
 						},
 					},
+					{
+						ConfigGroupResource: addonv1alpha1.ConfigGroupResource{Group: "core", Resource: "Foo"},
+						DesiredConfig: &addonv1alpha1.ConfigSpecHash{
+							ConfigReferent: addonv1alpha1.ConfigReferent{Name: "test2"},
+							SpecHash:       "hash2",
+						},
+						LastAppliedConfig: &addonv1alpha1.ConfigSpecHash{
+							ConfigReferent: addonv1alpha1.ConfigReferent{Name: "test2"},
+							SpecHash:       "hash",
+						},
+					},
 				},
 			}).Build()},
 			placements: []runtime.Object{
@@ -368,6 +418,17 @@ func TestMgmtAddonProgressingReconcile(t *testing.T) {
 							SpecHash:       "hash1",
 						},
 					},
+					{
+						ConfigGroupResource: addonv1alpha1.ConfigGroupResource{Group: "core", Resource: "Foo"},
+						DesiredConfig: &addonv1alpha1.ConfigSpecHash{
+							ConfigReferent: addonv1alpha1.ConfigReferent{Name: "test2"},
+							SpecHash:       "hash2",
+						},
+						LastAppliedConfig: &addonv1alpha1.ConfigSpecHash{
+							ConfigReferent: addonv1alpha1.ConfigReferent{Name: "test2"},
+							SpecHash:       "hash2",
+						},
+					},
 				}
 				return addon
 			}()},
@@ -389,6 +450,17 @@ func TestMgmtAddonProgressingReconcile(t *testing.T) {
 							SpecHash:       "hash",
 						},
 					},
+					{
+						ConfigGroupResource: addonv1alpha1.ConfigGroupResource{Group: "core", Resource: "Foo"},
+						DesiredConfig: &addonv1alpha1.ConfigSpecHash{
+							ConfigReferent: addonv1alpha1.ConfigReferent{Name: "test2"},
+							SpecHash:       "hash2",
+						},
+						LastAppliedConfig: &addonv1alpha1.ConfigSpecHash{
+							ConfigReferent: addonv1alpha1.ConfigReferent{Name: "test2"},
+							SpecHash:       "hash",
+						},
+					},
 				},
 			}).Build()},
 			placements: []runtime.Object{
--- a/pkg/addon/controllers/addonconfiguration/graph.go
+++ b/pkg/addon/controllers/addonconfiguration/graph.go
@@ -48,14 +48,14 @@ type addonNode struct {
 	status         *clustersdkv1alpha1.ClusterRolloutStatus
 }

-type addonConfigMap map[addonv1alpha1.ConfigGroupResource]addonv1alpha1.ConfigReference
+type addonConfigMap map[addonv1alpha1.ConfigGroupResource][]addonv1alpha1.ConfigReference

 // set addon rollout status
 func (n *addonNode) setRolloutStatus() {
 	n.status = &clustersdkv1alpha1.ClusterRolloutStatus{ClusterName: n.mca.Namespace}

 	// desired configs doesn't match actual configs, set to ToApply
-	if len(n.mca.Status.ConfigReferences) != len(n.desiredConfigs) {
+	if len(n.mca.Status.ConfigReferences) != n.desiredConfigs.len() {
 		n.status.Status = clustersdkv1alpha1.ToApply
 		return
 	}
@@ -69,9 +69,9 @@ func (n *addonNode) setRolloutStatus() {
 	}

 	for _, actual := range n.mca.Status.ConfigReferences {
-		if desired, ok := n.desiredConfigs[actual.ConfigGroupResource]; ok {
+		if index, exist := n.desiredConfigs.containsConfig(actual.ConfigGroupResource, actual.DesiredConfig.ConfigReferent); exist {
 			// desired config spec hash doesn't match actual, set to ToApply
-			if !equality.Semantic.DeepEqual(desired.DesiredConfig, actual.DesiredConfig) {
+			if !equality.Semantic.DeepEqual(n.desiredConfigs[actual.ConfigGroupResource][index].DesiredConfig, actual.DesiredConfig) {
 				n.status.Status = clustersdkv1alpha1.ToApply
 				return
 				// desired config spec hash matches actual, but last applied config spec hash doesn't match actual
@@ -88,6 +88,7 @@ func (n *addonNode) setRolloutStatus() {
 				}
 				return
 			}
+
 		} else {
 			n.status.Status = clustersdkv1alpha1.ToApply
 			return
@@ -101,19 +102,61 @@ func (n *addonNode) setRolloutStatus() {
 	}
 }

-func (d addonConfigMap) copy() addonConfigMap {
-	output := addonConfigMap{}
-	for k, v := range d {
-		output[k] = v
+func (m addonConfigMap) copy() addonConfigMap {
+	output := make(addonConfigMap, len(m))
+	for k, v := range m {
+		// copy the key ConfigGroupResource
+		newk := k.DeepCopy()
+		// copy the slice of ConfigReference
+		newv := make([]addonv1alpha1.ConfigReference, len(v))
+		for i, cr := range v {
+			newv[i] = *cr.DeepCopy()
+		}
+		output[*newk] = newv
 	}
 	return output
 }

+func (m addonConfigMap) len() int {
+	totalLength := 0
+	for _, v := range m {
+		totalLength += len(v)
+	}
+	return totalLength
+}
+
+func (m addonConfigMap) containsConfig(expectConfigGr addonv1alpha1.ConfigGroupResource,
+	expectConfigRef addonv1alpha1.ConfigReferent) (int, bool) {
+	if existArray, ok := m[expectConfigGr]; ok {
+		for i, e := range existArray {
+			if expectConfigRef == e.DesiredConfig.ConfigReferent {
+				return i, true
+			}
+		}
+	}
+
+	return -1, false
+}
+
+func (m addonConfigMap) orderedKeys() []addonv1alpha1.ConfigGroupResource {
+	gvks := []addonv1alpha1.ConfigGroupResource{}
+	for gvk := range m {
+		gvks = append(gvks, gvk)
+	}
+	sort.Slice(gvks, func(i, j int) bool {
+		if gvks[i].Group == gvks[j].Group {
+			return gvks[i].Resource < gvks[j].Resource
+		}
+		return gvks[i].Group < gvks[j].Group
+	})
+	return gvks
+}
+
 func newGraph(supportedConfigs []addonv1alpha1.ConfigMeta, defaultConfigReferences []addonv1alpha1.DefaultConfigReference) *configurationGraph {
 	graph := &configurationGraph{
 		nodes: []*installStrategyNode{},
 		defaults: &installStrategyNode{
-			desiredConfigs: map[addonv1alpha1.ConfigGroupResource]addonv1alpha1.ConfigReference{},
+			desiredConfigs: addonConfigMap{},
 			children:       map[string]*addonNode{},
 		},
 	}
@@ -121,11 +164,13 @@ func newGraph(supportedConfigs []addonv1alpha1.ConfigMeta, defaultConfigReferenc
 	// init graph.defaults.desiredConfigs with supportedConfigs
 	for _, config := range supportedConfigs {
 		if config.DefaultConfig != nil {
-			graph.defaults.desiredConfigs[config.ConfigGroupResource] = addonv1alpha1.ConfigReference{
-				ConfigGroupResource: config.ConfigGroupResource,
-				ConfigReferent:      *config.DefaultConfig,
-				DesiredConfig: &addonv1alpha1.ConfigSpecHash{
-					ConfigReferent: *config.DefaultConfig,
+			graph.defaults.desiredConfigs[config.ConfigGroupResource] = []addonv1alpha1.ConfigReference{
+				{
+					ConfigGroupResource: config.ConfigGroupResource,
+					ConfigReferent:      *config.DefaultConfig,
+					DesiredConfig: &addonv1alpha1.ConfigSpecHash{
+						ConfigReferent: *config.DefaultConfig,
+					},
 				},
 			}
 		}
@@ -135,9 +180,12 @@ func newGraph(supportedConfigs []addonv1alpha1.ConfigMeta, defaultConfigReferenc
 		if configRef.DesiredConfig == nil {
 			continue
 		}
-		defaultsDesiredConfig, ok := graph.defaults.desiredConfigs[configRef.ConfigGroupResource]
-		if ok && (defaultsDesiredConfig.DesiredConfig.ConfigReferent == configRef.DesiredConfig.ConfigReferent) {
-			defaultsDesiredConfig.DesiredConfig.SpecHash = configRef.DesiredConfig.SpecHash
+		if defaultsDesiredConfigArray, ok := graph.defaults.desiredConfigs[configRef.ConfigGroupResource]; ok {
+			for i, defaultsDesiredConfig := range defaultsDesiredConfigArray {
+				if defaultsDesiredConfig.DesiredConfig.ConfigReferent == configRef.DesiredConfig.ConfigReferent {
+					graph.defaults.desiredConfigs[configRef.ConfigGroupResource][i].DesiredConfig.SpecHash = configRef.DesiredConfig.SpecHash
+				}
+			}
 		}
 	}

@@ -212,16 +260,7 @@ func (g *configurationGraph) addPlacementNode(
 	// overrides configuration by install strategy
 	if len(installConfigReference) > 0 {
 		node.desiredConfigs = node.desiredConfigs.copy()
-		for _, configRef := range installConfigReference {
-			if configRef.DesiredConfig == nil {
-				continue
-			}
-			node.desiredConfigs[configRef.ConfigGroupResource] = addonv1alpha1.ConfigReference{
-				ConfigGroupResource: configRef.ConfigGroupResource,
-				ConfigReferent:      configRef.DesiredConfig.ConfigReferent,
-				DesiredConfig:       configRef.DesiredConfig.DeepCopy(),
-			}
-		}
+		overrideConfigMapByInstallConfigRef(node.desiredConfigs, installConfigReference)
 	}

 	// remove addon in defaults and other placements.
@@ -296,22 +335,18 @@ func (n *installStrategyNode) addNode(addon *addonv1alpha1.ManagedClusterAddOn)
 	if len(addon.Spec.Configs) > 0 {
 		n.children[addon.Namespace].desiredConfigs = n.children[addon.Namespace].desiredConfigs.copy()
 		// TODO we should also filter out the configs which are not supported configs.
-		for _, config := range addon.Spec.Configs {
-			n.children[addon.Namespace].desiredConfigs[config.ConfigGroupResource] = addonv1alpha1.ConfigReference{
-				ConfigGroupResource: config.ConfigGroupResource,
-				ConfigReferent:      config.ConfigReferent,
-				DesiredConfig: &addonv1alpha1.ConfigSpecHash{
-					ConfigReferent: config.ConfigReferent,
-				},
+		overrideConfigMapByAddOnConfigs(n.children[addon.Namespace].desiredConfigs, addon.Spec.Configs)
+
+		// copy the spechash from mca status
+		for _, configRef := range addon.Status.ConfigReferences {
+			if configRef.DesiredConfig == nil {
+				continue
 			}
-			// copy the spechash from mca status
-			for _, configRef := range addon.Status.ConfigReferences {
-				if configRef.DesiredConfig == nil {
-					continue
-				}
-				nodeDesiredConfig, ok := n.children[addon.Namespace].desiredConfigs[configRef.ConfigGroupResource]
-				if ok && (nodeDesiredConfig.DesiredConfig.ConfigReferent == configRef.DesiredConfig.ConfigReferent) {
-					nodeDesiredConfig.DesiredConfig.SpecHash = configRef.DesiredConfig.SpecHash
+			if nodeDesiredConfigArray, ok := n.children[addon.Namespace].desiredConfigs[configRef.ConfigGroupResource]; ok {
+				for i, nodeDesiredConfig := range nodeDesiredConfigArray {
+					if nodeDesiredConfig.DesiredConfig.ConfigReferent == configRef.DesiredConfig.ConfigReferent {
+						n.children[addon.Namespace].desiredConfigs[configRef.ConfigGroupResource][i].DesiredConfig.SpecHash = configRef.DesiredConfig.SpecHash
+					}
 				}
 			}
 		}
@@ -445,9 +480,14 @@ func desiredConfigsEqual(a, b addonConfigMap) bool {
 	}

 	for configgrA := range a {
-		if a[configgrA] != b[configgrA] {
+		if len(a[configgrA]) != len(b[configgrA]) {
 			return false
 		}
+		for i := range a[configgrA] {
+			if a[configgrA][i] != b[configgrA][i] {
+				return false
+			}
+		}
 	}

 	return true
@@ -461,3 +501,63 @@ func rolloutStatusHasCluster(clusterRolloutStatus []clustersdkv1alpha1.ClusterRo
 	}
 	return false
 }
+
+// Override the desired addonConfigMap by a slice of InstallConfigReference (from cma status),
+func overrideConfigMapByInstallConfigRef(
+	desiredConfigs addonConfigMap,
+	installConfigRefs []addonv1alpha1.InstallConfigReference,
+) {
+	gvkOverwritten := sets.New[addonv1alpha1.ConfigGroupResource]()
+	// Go through the cma installConfigReferences,
+	// for a group of configs with same gvk, cma installConfigReferences override the desiredConfigs.
+	for _, configRef := range installConfigRefs {
+		if configRef.DesiredConfig == nil {
+			continue
+		}
+		gr := configRef.ConfigGroupResource
+		referent := configRef.DesiredConfig.ConfigReferent
+		if !gvkOverwritten.Has(gr) {
+			desiredConfigs[gr] = []addonv1alpha1.ConfigReference{}
+			gvkOverwritten.Insert(gr)
+		}
+		// If a config not exist in the desiredConfigs, append it.
+		// This is to avoid adding duplicate configs (name + namespace).
+		if _, exist := desiredConfigs.containsConfig(gr, referent); !exist {
+			desiredConfigs[gr] = append(desiredConfigs[gr], addonv1alpha1.ConfigReference{
+				ConfigGroupResource: gr,
+				ConfigReferent:      referent,
+				DesiredConfig:       configRef.DesiredConfig.DeepCopy(),
+			})
+		}
+	}
+}
+
+// Override the desired addonConfigMap by a slice of InstallConfigReference (from mca spec),
+func overrideConfigMapByAddOnConfigs(
+	desiredConfigs addonConfigMap,
+	addOnConfigs []addonv1alpha1.AddOnConfig,
+) {
+	gvkOverwritten := sets.New[addonv1alpha1.ConfigGroupResource]()
+	// Go through the mca addOnConfigs,
+	// for a group of configs with same gvk, mca addOnConfigs override the desiredConfigs.
+	for _, config := range addOnConfigs {
+		gr := config.ConfigGroupResource
+		referent := config.ConfigReferent
+		if !gvkOverwritten.Has(gr) {
+			desiredConfigs[gr] = []addonv1alpha1.ConfigReference{}
+			gvkOverwritten.Insert(gr)
+		}
+		// If a config not exist in the desiredConfigs, append it.
+		// This is to avoid adding duplicate configs (name + namespace).
+		if _, exist := desiredConfigs.containsConfig(gr, referent); !exist {
+			desiredConfigs[gr] = append(desiredConfigs[gr], addonv1alpha1.ConfigReference{
+				ConfigGroupResource: gr,
+				ConfigReferent:      referent,
+				DesiredConfig: &addonv1alpha1.ConfigSpecHash{
+					ConfigReferent: referent,
+				},
+			})
+
+		}
+	}
+}
--- a/pkg/addon/controllers/addonconfiguration/graph_test.go
+++ b/pkg/addon/controllers/addonconfiguration/graph_test.go
@@ -56,13 +56,15 @@ func TestConfigurationGraph(t *testing.T) {
 			},
 			expected: []*addonNode{
 				{
-					desiredConfigs: map[addonv1alpha1.ConfigGroupResource]addonv1alpha1.ConfigReference{
+					desiredConfigs: map[addonv1alpha1.ConfigGroupResource][]addonv1alpha1.ConfigReference{
 						{Group: "core", Resource: "Foo"}: {
-							ConfigGroupResource: addonv1alpha1.ConfigGroupResource{Group: "core", Resource: "Foo"},
-							ConfigReferent:      addonv1alpha1.ConfigReferent{Name: "test"},
-							DesiredConfig: &addonv1alpha1.ConfigSpecHash{
-								ConfigReferent: addonv1alpha1.ConfigReferent{Name: "test"},
-								SpecHash:       "<core-foo-test-hash>",
+							{
+								ConfigGroupResource: addonv1alpha1.ConfigGroupResource{Group: "core", Resource: "Foo"},
+								ConfigReferent:      addonv1alpha1.ConfigReferent{Name: "test"},
+								DesiredConfig: &addonv1alpha1.ConfigSpecHash{
+									ConfigReferent: addonv1alpha1.ConfigReferent{Name: "test"},
+									SpecHash:       "<core-foo-test-hash>",
+								},
 							},
 						},
 					},
@@ -72,13 +74,15 @@ func TestConfigurationGraph(t *testing.T) {
 						Status:      clustersdkv1alpha1.ToApply},
 				},
 				{
-					desiredConfigs: map[addonv1alpha1.ConfigGroupResource]addonv1alpha1.ConfigReference{
+					desiredConfigs: map[addonv1alpha1.ConfigGroupResource][]addonv1alpha1.ConfigReference{
 						{Group: "core", Resource: "Foo"}: {
-							ConfigGroupResource: addonv1alpha1.ConfigGroupResource{Group: "core", Resource: "Foo"},
-							ConfigReferent:      addonv1alpha1.ConfigReferent{Name: "test"},
-							DesiredConfig: &addonv1alpha1.ConfigSpecHash{
-								ConfigReferent: addonv1alpha1.ConfigReferent{Name: "test"},
-								SpecHash:       "<core-foo-test-hash>",
+							{
+								ConfigGroupResource: addonv1alpha1.ConfigGroupResource{Group: "core", Resource: "Foo"},
+								ConfigReferent:      addonv1alpha1.ConfigReferent{Name: "test"},
+								DesiredConfig: &addonv1alpha1.ConfigSpecHash{
+									ConfigReferent: addonv1alpha1.ConfigReferent{Name: "test"},
+									SpecHash:       "<core-foo-test-hash>",
+								},
 							},
 						},
 					},
@@ -135,21 +139,25 @@ func TestConfigurationGraph(t *testing.T) {
 			},
 			expected: []*addonNode{
 				{
-					desiredConfigs: map[addonv1alpha1.ConfigGroupResource]addonv1alpha1.ConfigReference{
+					desiredConfigs: map[addonv1alpha1.ConfigGroupResource][]addonv1alpha1.ConfigReference{
 						{Group: "core", Resource: "Bar"}: {
-							ConfigGroupResource: addonv1alpha1.ConfigGroupResource{Group: "core", Resource: "Bar"},
-							ConfigReferent:      addonv1alpha1.ConfigReferent{Name: "test1"},
-							DesiredConfig: &addonv1alpha1.ConfigSpecHash{
-								ConfigReferent: addonv1alpha1.ConfigReferent{Name: "test1"},
-								SpecHash:       "<core-bar-test1-hash>",
+							{
+								ConfigGroupResource: addonv1alpha1.ConfigGroupResource{Group: "core", Resource: "Bar"},
+								ConfigReferent:      addonv1alpha1.ConfigReferent{Name: "test1"},
+								DesiredConfig: &addonv1alpha1.ConfigSpecHash{
+									ConfigReferent: addonv1alpha1.ConfigReferent{Name: "test1"},
+									SpecHash:       "<core-bar-test1-hash>",
+								},
 							},
 						},
 						{Group: "core", Resource: "Foo"}: {
-							ConfigGroupResource: addonv1alpha1.ConfigGroupResource{Group: "core", Resource: "Foo"},
-							ConfigReferent:      addonv1alpha1.ConfigReferent{Name: "test"},
-							DesiredConfig: &addonv1alpha1.ConfigSpecHash{
-								ConfigReferent: addonv1alpha1.ConfigReferent{Name: "test"},
-								SpecHash:       "<core-foo-test-hash>",
+							{
+								ConfigGroupResource: addonv1alpha1.ConfigGroupResource{Group: "core", Resource: "Foo"},
+								ConfigReferent:      addonv1alpha1.ConfigReferent{Name: "test"},
+								DesiredConfig: &addonv1alpha1.ConfigSpecHash{
+									ConfigReferent: addonv1alpha1.ConfigReferent{Name: "test"},
+									SpecHash:       "<core-foo-test-hash>",
+								},
 							},
 						},
 					},
@@ -159,21 +167,25 @@ func TestConfigurationGraph(t *testing.T) {
 						Status:      clustersdkv1alpha1.ToApply},
 				},
 				{
-					desiredConfigs: map[addonv1alpha1.ConfigGroupResource]addonv1alpha1.ConfigReference{
+					desiredConfigs: map[addonv1alpha1.ConfigGroupResource][]addonv1alpha1.ConfigReference{
 						{Group: "core", Resource: "Bar"}: {
-							ConfigGroupResource: addonv1alpha1.ConfigGroupResource{Group: "core", Resource: "Bar"},
-							ConfigReferent:      addonv1alpha1.ConfigReferent{Name: "test2"},
-							DesiredConfig: &addonv1alpha1.ConfigSpecHash{
-								ConfigReferent: addonv1alpha1.ConfigReferent{Name: "test2"},
-								SpecHash:       "<core-bar-test2-hash>",
+							{
+								ConfigGroupResource: addonv1alpha1.ConfigGroupResource{Group: "core", Resource: "Bar"},
+								ConfigReferent:      addonv1alpha1.ConfigReferent{Name: "test2"},
+								DesiredConfig: &addonv1alpha1.ConfigSpecHash{
+									ConfigReferent: addonv1alpha1.ConfigReferent{Name: "test2"},
+									SpecHash:       "<core-bar-test2-hash>",
+								},
 							},
 						},
 						{Group: "core", Resource: "Foo"}: {
-							ConfigGroupResource: addonv1alpha1.ConfigGroupResource{Group: "core", Resource: "Foo"},
-							ConfigReferent:      addonv1alpha1.ConfigReferent{Name: "test2"},
-							DesiredConfig: &addonv1alpha1.ConfigSpecHash{
-								ConfigReferent: addonv1alpha1.ConfigReferent{Name: "test2"},
-								SpecHash:       "<core-foo-test2-hash>",
+							{
+								ConfigGroupResource: addonv1alpha1.ConfigGroupResource{Group: "core", Resource: "Foo"},
+								ConfigReferent:      addonv1alpha1.ConfigReferent{Name: "test2"},
+								DesiredConfig: &addonv1alpha1.ConfigSpecHash{
+									ConfigReferent: addonv1alpha1.ConfigReferent{Name: "test2"},
+									SpecHash:       "<core-foo-test2-hash>",
+								},
 							},
 						},
 					},
@@ -184,21 +196,25 @@ func TestConfigurationGraph(t *testing.T) {
 					},
 				},
 				{
-					desiredConfigs: map[addonv1alpha1.ConfigGroupResource]addonv1alpha1.ConfigReference{
+					desiredConfigs: map[addonv1alpha1.ConfigGroupResource][]addonv1alpha1.ConfigReference{
 						{Group: "core", Resource: "Bar"}: {
-							ConfigGroupResource: addonv1alpha1.ConfigGroupResource{Group: "core", Resource: "Bar"},
-							ConfigReferent:      addonv1alpha1.ConfigReferent{Name: "test"},
-							DesiredConfig: &addonv1alpha1.ConfigSpecHash{
-								ConfigReferent: addonv1alpha1.ConfigReferent{Name: "test"},
-								SpecHash:       "<core-bar-test-hash>",
+							{
+								ConfigGroupResource: addonv1alpha1.ConfigGroupResource{Group: "core", Resource: "Bar"},
+								ConfigReferent:      addonv1alpha1.ConfigReferent{Name: "test"},
+								DesiredConfig: &addonv1alpha1.ConfigSpecHash{
+									ConfigReferent: addonv1alpha1.ConfigReferent{Name: "test"},
+									SpecHash:       "<core-bar-test-hash>",
+								},
 							},
 						},
 						{Group: "core", Resource: "Foo"}: {
-							ConfigGroupResource: addonv1alpha1.ConfigGroupResource{Group: "core", Resource: "Foo"},
-							ConfigReferent:      addonv1alpha1.ConfigReferent{Name: "test"},
-							DesiredConfig: &addonv1alpha1.ConfigSpecHash{
-								ConfigReferent: addonv1alpha1.ConfigReferent{Name: "test"},
-								SpecHash:       "<core-foo-test-hash>",
+							{
+								ConfigGroupResource: addonv1alpha1.ConfigGroupResource{Group: "core", Resource: "Foo"},
+								ConfigReferent:      addonv1alpha1.ConfigReferent{Name: "test"},
+								DesiredConfig: &addonv1alpha1.ConfigSpecHash{
+									ConfigReferent: addonv1alpha1.ConfigReferent{Name: "test"},
+									SpecHash:       "<core-foo-test-hash>",
+								},
 							},
 						},
 					},
@@ -311,13 +327,15 @@ func TestConfigurationGraph(t *testing.T) {
 			},
 			expected: []*addonNode{
 				{
-					desiredConfigs: map[addonv1alpha1.ConfigGroupResource]addonv1alpha1.ConfigReference{
+					desiredConfigs: map[addonv1alpha1.ConfigGroupResource][]addonv1alpha1.ConfigReference{
 						{Group: "core", Resource: "Bar"}: {
-							ConfigGroupResource: addonv1alpha1.ConfigGroupResource{Group: "core", Resource: "Bar"},
-							ConfigReferent:      addonv1alpha1.ConfigReferent{Name: "test1"},
-							DesiredConfig: &addonv1alpha1.ConfigSpecHash{
-								ConfigReferent: addonv1alpha1.ConfigReferent{Name: "test1"},
-								SpecHash:       "<core-bar-test1-hash>",
+							{
+								ConfigGroupResource: addonv1alpha1.ConfigGroupResource{Group: "core", Resource: "Bar"},
+								ConfigReferent:      addonv1alpha1.ConfigReferent{Name: "test1"},
+								DesiredConfig: &addonv1alpha1.ConfigSpecHash{
+									ConfigReferent: addonv1alpha1.ConfigReferent{Name: "test1"},
+									SpecHash:       "<core-bar-test1-hash>",
+								},
 							},
 						},
 					},
@@ -329,13 +347,15 @@ func TestConfigurationGraph(t *testing.T) {
 					},
 				},
 				{
-					desiredConfigs: map[addonv1alpha1.ConfigGroupResource]addonv1alpha1.ConfigReference{
+					desiredConfigs: map[addonv1alpha1.ConfigGroupResource][]addonv1alpha1.ConfigReference{
 						{Group: "core", Resource: "Bar"}: {
-							ConfigGroupResource: addonv1alpha1.ConfigGroupResource{Group: "core", Resource: "Bar"},
-							ConfigReferent:      addonv1alpha1.ConfigReferent{Name: "test1"},
-							DesiredConfig: &addonv1alpha1.ConfigSpecHash{
-								ConfigReferent: addonv1alpha1.ConfigReferent{Name: "test1"},
-								SpecHash:       "<core-bar-test1-hash>",
+							{
+								ConfigGroupResource: addonv1alpha1.ConfigGroupResource{Group: "core", Resource: "Bar"},
+								ConfigReferent:      addonv1alpha1.ConfigReferent{Name: "test1"},
+								DesiredConfig: &addonv1alpha1.ConfigSpecHash{
+									ConfigReferent: addonv1alpha1.ConfigReferent{Name: "test1"},
+									SpecHash:       "<core-bar-test1-hash>",
+								},
 							},
 						},
 					},
@@ -347,13 +367,15 @@ func TestConfigurationGraph(t *testing.T) {
 					},
 				},
 				{
-					desiredConfigs: map[addonv1alpha1.ConfigGroupResource]addonv1alpha1.ConfigReference{
+					desiredConfigs: map[addonv1alpha1.ConfigGroupResource][]addonv1alpha1.ConfigReference{
 						{Group: "core", Resource: "Bar"}: {
-							ConfigGroupResource: addonv1alpha1.ConfigGroupResource{Group: "core", Resource: "Bar"},
-							ConfigReferent:      addonv1alpha1.ConfigReferent{Name: "test1"},
-							DesiredConfig: &addonv1alpha1.ConfigSpecHash{
-								ConfigReferent: addonv1alpha1.ConfigReferent{Name: "test1"},
-								SpecHash:       "<core-bar-test1-hash>",
+							{
+								ConfigGroupResource: addonv1alpha1.ConfigGroupResource{Group: "core", Resource: "Bar"},
+								ConfigReferent:      addonv1alpha1.ConfigReferent{Name: "test1"},
+								DesiredConfig: &addonv1alpha1.ConfigSpecHash{
+									ConfigReferent: addonv1alpha1.ConfigReferent{Name: "test1"},
+									SpecHash:       "<core-bar-test1-hash>",
+								},
 							},
 						},
 					},
@@ -411,21 +433,25 @@ func TestConfigurationGraph(t *testing.T) {
 			},
 			expected: []*addonNode{
 				{
-					desiredConfigs: map[addonv1alpha1.ConfigGroupResource]addonv1alpha1.ConfigReference{
+					desiredConfigs: map[addonv1alpha1.ConfigGroupResource][]addonv1alpha1.ConfigReference{
 						{Group: "core", Resource: "Bar"}: {
-							ConfigGroupResource: addonv1alpha1.ConfigGroupResource{Group: "core", Resource: "Bar"},
-							ConfigReferent:      addonv1alpha1.ConfigReferent{Name: "test1"},
-							DesiredConfig: &addonv1alpha1.ConfigSpecHash{
-								ConfigReferent: addonv1alpha1.ConfigReferent{Name: "test1"},
-								SpecHash:       "<core-bar-test1-hash>",
+							{
+								ConfigGroupResource: addonv1alpha1.ConfigGroupResource{Group: "core", Resource: "Bar"},
+								ConfigReferent:      addonv1alpha1.ConfigReferent{Name: "test1"},
+								DesiredConfig: &addonv1alpha1.ConfigSpecHash{
+									ConfigReferent: addonv1alpha1.ConfigReferent{Name: "test1"},
+									SpecHash:       "<core-bar-test1-hash>",
+								},
 							},
 						},
 						{Group: "core", Resource: "Foo"}: {
-							ConfigGroupResource: addonv1alpha1.ConfigGroupResource{Group: "core", Resource: "Foo"},
-							ConfigReferent:      addonv1alpha1.ConfigReferent{Name: "test"},
-							DesiredConfig: &addonv1alpha1.ConfigSpecHash{
-								ConfigReferent: addonv1alpha1.ConfigReferent{Name: "test"},
-								SpecHash:       "<core-foo-test-hash>",
+							{
+								ConfigGroupResource: addonv1alpha1.ConfigGroupResource{Group: "core", Resource: "Foo"},
+								ConfigReferent:      addonv1alpha1.ConfigReferent{Name: "test"},
+								DesiredConfig: &addonv1alpha1.ConfigSpecHash{
+									ConfigReferent: addonv1alpha1.ConfigReferent{Name: "test"},
+									SpecHash:       "<core-foo-test-hash>",
+								},
 							},
 						},
 					},
@@ -435,21 +461,25 @@ func TestConfigurationGraph(t *testing.T) {
 						Status:      clustersdkv1alpha1.ToApply},
 				},
 				{
-					desiredConfigs: map[addonv1alpha1.ConfigGroupResource]addonv1alpha1.ConfigReference{
+					desiredConfigs: map[addonv1alpha1.ConfigGroupResource][]addonv1alpha1.ConfigReference{
 						{Group: "core", Resource: "Bar"}: {
-							ConfigGroupResource: addonv1alpha1.ConfigGroupResource{Group: "core", Resource: "Bar"},
-							ConfigReferent:      addonv1alpha1.ConfigReferent{Name: "test2"},
-							DesiredConfig: &addonv1alpha1.ConfigSpecHash{
-								ConfigReferent: addonv1alpha1.ConfigReferent{Name: "test2"},
-								SpecHash:       "<core-bar-test2-hash>",
+							{
+								ConfigGroupResource: addonv1alpha1.ConfigGroupResource{Group: "core", Resource: "Bar"},
+								ConfigReferent:      addonv1alpha1.ConfigReferent{Name: "test2"},
+								DesiredConfig: &addonv1alpha1.ConfigSpecHash{
+									ConfigReferent: addonv1alpha1.ConfigReferent{Name: "test2"},
+									SpecHash:       "<core-bar-test2-hash>",
+								},
 							},
 						},
 						{Group: "core", Resource: "Foo"}: {
-							ConfigGroupResource: addonv1alpha1.ConfigGroupResource{Group: "core", Resource: "Foo"},
-							ConfigReferent:      addonv1alpha1.ConfigReferent{Name: "test2"},
-							DesiredConfig: &addonv1alpha1.ConfigSpecHash{
-								ConfigReferent: addonv1alpha1.ConfigReferent{Name: "test2"},
-								SpecHash:       "<core-foo-test2-hash>",
+							{
+								ConfigGroupResource: addonv1alpha1.ConfigGroupResource{Group: "core", Resource: "Foo"},
+								ConfigReferent:      addonv1alpha1.ConfigReferent{Name: "test2"},
+								DesiredConfig: &addonv1alpha1.ConfigSpecHash{
+									ConfigReferent: addonv1alpha1.ConfigReferent{Name: "test2"},
+									SpecHash:       "<core-foo-test2-hash>",
+								},
 							},
 						},
 					},
@@ -459,21 +489,25 @@ func TestConfigurationGraph(t *testing.T) {
 						Status:      clustersdkv1alpha1.ToApply},
 				},
 				{
-					desiredConfigs: map[addonv1alpha1.ConfigGroupResource]addonv1alpha1.ConfigReference{
+					desiredConfigs: map[addonv1alpha1.ConfigGroupResource][]addonv1alpha1.ConfigReference{
 						{Group: "core", Resource: "Bar"}: {
-							ConfigGroupResource: addonv1alpha1.ConfigGroupResource{Group: "core", Resource: "Bar"},
-							ConfigReferent:      addonv1alpha1.ConfigReferent{Name: "test2"},
-							DesiredConfig: &addonv1alpha1.ConfigSpecHash{
-								ConfigReferent: addonv1alpha1.ConfigReferent{Name: "test2"},
-								SpecHash:       "<core-bar-test2-hash>",
+							{
+								ConfigGroupResource: addonv1alpha1.ConfigGroupResource{Group: "core", Resource: "Bar"},
+								ConfigReferent:      addonv1alpha1.ConfigReferent{Name: "test2"},
+								DesiredConfig: &addonv1alpha1.ConfigSpecHash{
+									ConfigReferent: addonv1alpha1.ConfigReferent{Name: "test2"},
+									SpecHash:       "<core-bar-test2-hash>",
+								},
 							},
 						},
 						{Group: "core", Resource: "Foo"}: {
-							ConfigGroupResource: addonv1alpha1.ConfigGroupResource{Group: "core", Resource: "Foo"},
-							ConfigReferent:      addonv1alpha1.ConfigReferent{Name: "test2"},
-							DesiredConfig: &addonv1alpha1.ConfigSpecHash{
-								ConfigReferent: addonv1alpha1.ConfigReferent{Name: "test2"},
-								SpecHash:       "<core-foo-test2-hash>",
+							{
+								ConfigGroupResource: addonv1alpha1.ConfigGroupResource{Group: "core", Resource: "Foo"},
+								ConfigReferent:      addonv1alpha1.ConfigReferent{Name: "test2"},
+								DesiredConfig: &addonv1alpha1.ConfigSpecHash{
+									ConfigReferent: addonv1alpha1.ConfigReferent{Name: "test2"},
+									SpecHash:       "<core-foo-test2-hash>",
+								},
 							},
 						},
 					},
@@ -533,21 +567,25 @@ func TestConfigurationGraph(t *testing.T) {
 			},
 			expected: []*addonNode{
 				{
-					desiredConfigs: map[addonv1alpha1.ConfigGroupResource]addonv1alpha1.ConfigReference{
+					desiredConfigs: map[addonv1alpha1.ConfigGroupResource][]addonv1alpha1.ConfigReference{
 						{Group: "core", Resource: "Bar"}: {
-							ConfigGroupResource: addonv1alpha1.ConfigGroupResource{Group: "core", Resource: "Bar"},
-							ConfigReferent:      addonv1alpha1.ConfigReferent{Name: "test1"},
-							DesiredConfig: &addonv1alpha1.ConfigSpecHash{
-								ConfigReferent: addonv1alpha1.ConfigReferent{Name: "test1"},
-								SpecHash:       "",
+							{
+								ConfigGroupResource: addonv1alpha1.ConfigGroupResource{Group: "core", Resource: "Bar"},
+								ConfigReferent:      addonv1alpha1.ConfigReferent{Name: "test1"},
+								DesiredConfig: &addonv1alpha1.ConfigSpecHash{
+									ConfigReferent: addonv1alpha1.ConfigReferent{Name: "test1"},
+									SpecHash:       "",
+								},
 							},
 						},
 						{Group: "core", Resource: "Foo"}: {
-							ConfigGroupResource: addonv1alpha1.ConfigGroupResource{Group: "core", Resource: "Foo"},
-							ConfigReferent:      addonv1alpha1.ConfigReferent{Name: "test1"},
-							DesiredConfig: &addonv1alpha1.ConfigSpecHash{
-								ConfigReferent: addonv1alpha1.ConfigReferent{Name: "test1"},
-								SpecHash:       "<core-foo-test1-hash>",
+							{
+								ConfigGroupResource: addonv1alpha1.ConfigGroupResource{Group: "core", Resource: "Foo"},
+								ConfigReferent:      addonv1alpha1.ConfigReferent{Name: "test1"},
+								DesiredConfig: &addonv1alpha1.ConfigSpecHash{
+									ConfigReferent: addonv1alpha1.ConfigReferent{Name: "test1"},
+									SpecHash:       "<core-foo-test1-hash>",
+								},
 							},
 						},
 					},
@@ -560,21 +598,25 @@ func TestConfigurationGraph(t *testing.T) {
 						Status:      clustersdkv1alpha1.ToApply},
 				},
 				{
-					desiredConfigs: map[addonv1alpha1.ConfigGroupResource]addonv1alpha1.ConfigReference{
+					desiredConfigs: map[addonv1alpha1.ConfigGroupResource][]addonv1alpha1.ConfigReference{
 						{Group: "core", Resource: "Bar"}: {
-							ConfigGroupResource: addonv1alpha1.ConfigGroupResource{Group: "core", Resource: "Bar"},
-							ConfigReferent:      addonv1alpha1.ConfigReferent{Name: "test2"},
-							DesiredConfig: &addonv1alpha1.ConfigSpecHash{
-								ConfigReferent: addonv1alpha1.ConfigReferent{Name: "test2"},
-								SpecHash:       "<core-bar-test2-hash>",
+							{
+								ConfigGroupResource: addonv1alpha1.ConfigGroupResource{Group: "core", Resource: "Bar"},
+								ConfigReferent:      addonv1alpha1.ConfigReferent{Name: "test2"},
+								DesiredConfig: &addonv1alpha1.ConfigSpecHash{
+									ConfigReferent: addonv1alpha1.ConfigReferent{Name: "test2"},
+									SpecHash:       "<core-bar-test2-hash>",
+								},
 							},
 						},
 						{Group: "core", Resource: "Foo"}: {
-							ConfigGroupResource: addonv1alpha1.ConfigGroupResource{Group: "core", Resource: "Foo"},
-							ConfigReferent:      addonv1alpha1.ConfigReferent{Name: "test2"},
-							DesiredConfig: &addonv1alpha1.ConfigSpecHash{
-								ConfigReferent: addonv1alpha1.ConfigReferent{Name: "test2"},
-								SpecHash:       "<core-foo-test2-hash>",
+							{
+								ConfigGroupResource: addonv1alpha1.ConfigGroupResource{Group: "core", Resource: "Foo"},
+								ConfigReferent:      addonv1alpha1.ConfigReferent{Name: "test2"},
+								DesiredConfig: &addonv1alpha1.ConfigSpecHash{
+									ConfigReferent: addonv1alpha1.ConfigReferent{Name: "test2"},
+									SpecHash:       "<core-foo-test2-hash>",
+								},
 							},
 						},
 					},
@@ -584,21 +626,25 @@ func TestConfigurationGraph(t *testing.T) {
 						Status:      clustersdkv1alpha1.ToApply},
 				},
 				{
-					desiredConfigs: map[addonv1alpha1.ConfigGroupResource]addonv1alpha1.ConfigReference{
+					desiredConfigs: map[addonv1alpha1.ConfigGroupResource][]addonv1alpha1.ConfigReference{
 						{Group: "core", Resource: "Bar"}: {
-							ConfigGroupResource: addonv1alpha1.ConfigGroupResource{Group: "core", Resource: "Bar"},
-							ConfigReferent:      addonv1alpha1.ConfigReferent{Name: "test"},
-							DesiredConfig: &addonv1alpha1.ConfigSpecHash{
-								ConfigReferent: addonv1alpha1.ConfigReferent{Name: "test"},
-								SpecHash:       "<core-bar-test-hash>",
+							{
+								ConfigGroupResource: addonv1alpha1.ConfigGroupResource{Group: "core", Resource: "Bar"},
+								ConfigReferent:      addonv1alpha1.ConfigReferent{Name: "test"},
+								DesiredConfig: &addonv1alpha1.ConfigSpecHash{
+									ConfigReferent: addonv1alpha1.ConfigReferent{Name: "test"},
+									SpecHash:       "<core-bar-test-hash>",
+								},
 							},
 						},
 						{Group: "core", Resource: "Foo"}: {
-							ConfigGroupResource: addonv1alpha1.ConfigGroupResource{Group: "core", Resource: "Foo"},
-							ConfigReferent:      addonv1alpha1.ConfigReferent{Name: "test"},
-							DesiredConfig: &addonv1alpha1.ConfigSpecHash{
-								ConfigReferent: addonv1alpha1.ConfigReferent{Name: "test"},
-								SpecHash:       "<core-foo-test-hash>",
+							{
+								ConfigGroupResource: addonv1alpha1.ConfigGroupResource{Group: "core", Resource: "Foo"},
+								ConfigReferent:      addonv1alpha1.ConfigReferent{Name: "test"},
+								DesiredConfig: &addonv1alpha1.ConfigSpecHash{
+									ConfigReferent: addonv1alpha1.ConfigReferent{Name: "test"},
+									SpecHash:       "<core-foo-test-hash>",
+								},
 							},
 						},
 					},
@@ -609,6 +655,118 @@ func TestConfigurationGraph(t *testing.T) {
 				},
 			},
 		},
+		{
+			name: "placement strategy with multiple same-GVKs",
+			defaultConfigs: []addonv1alpha1.ConfigMeta{
+				{ConfigGroupResource: addonv1alpha1.ConfigGroupResource{Group: "core", Resource: "Bar"},
+					DefaultConfig: &addonv1alpha1.ConfigReferent{Name: "test"}},
+				{ConfigGroupResource: addonv1alpha1.ConfigGroupResource{Group: "core", Resource: "Foo"},
+					DefaultConfig: &addonv1alpha1.ConfigReferent{Name: "test"}},
+			},
+			defaultConfigReference: []addonv1alpha1.DefaultConfigReference{
+				newDefaultConfigReference("core", "Bar", "test", "<core-bar-test-hash>"),
+				newDefaultConfigReference("core", "Foo", "test", "<core-foo-test-hash>"),
+			},
+			addons: []*addonv1alpha1.ManagedClusterAddOn{
+				addontesting.NewAddon("test", "cluster1"),
+				addontesting.NewAddon("test", "cluster2"),
+			},
+			placementDesicions: []placementDesicion{
+				{PlacementRef: addonv1alpha1.PlacementRef{Name: "placement1", Namespace: "test"},
+					clusters: []clusterv1beta1.ClusterDecision{{ClusterName: "cluster1"}}},
+				{PlacementRef: addonv1alpha1.PlacementRef{Name: "placement2", Namespace: "test"},
+					clusters: []clusterv1beta1.ClusterDecision{{ClusterName: "cluster2"}}},
+			},
+			placementStrategies: []addonv1alpha1.PlacementStrategy{
+				{PlacementRef: addonv1alpha1.PlacementRef{Name: "placement1", Namespace: "test"},
+					RolloutStrategy: clusterv1alpha1.RolloutStrategy{Type: clusterv1alpha1.All}},
+				{PlacementRef: addonv1alpha1.PlacementRef{Name: "placement2", Namespace: "test"},
+					RolloutStrategy: clusterv1alpha1.RolloutStrategy{Type: clusterv1alpha1.All}},
+			},
+			installProgressions: []addonv1alpha1.InstallProgression{
+				{
+					PlacementRef: addonv1alpha1.PlacementRef{Name: "placement1", Namespace: "test"},
+					ConfigReferences: []addonv1alpha1.InstallConfigReference{
+						newInstallConfigReference("core", "Bar", "test1", "<core-bar-test1-hash>"),
+						newInstallConfigReference("core", "Bar", "test2", "<core-bar-test2-hash>"),
+					},
+				},
+				{
+					PlacementRef: addonv1alpha1.PlacementRef{Name: "placement2", Namespace: "test"},
+					ConfigReferences: []addonv1alpha1.InstallConfigReference{
+						newInstallConfigReference("core", "Bar", "test2", "<core-bar-test2-hash>"),
+						newInstallConfigReference("core", "Foo", "test2", "<core-foo-test2-hash>"),
+					},
+				},
+			},
+			expected: []*addonNode{
+				{
+					desiredConfigs: map[addonv1alpha1.ConfigGroupResource][]addonv1alpha1.ConfigReference{
+						{Group: "core", Resource: "Bar"}: {
+							{
+								ConfigGroupResource: addonv1alpha1.ConfigGroupResource{Group: "core", Resource: "Bar"},
+								ConfigReferent:      addonv1alpha1.ConfigReferent{Name: "test1"},
+								DesiredConfig: &addonv1alpha1.ConfigSpecHash{
+									ConfigReferent: addonv1alpha1.ConfigReferent{Name: "test1"},
+									SpecHash:       "<core-bar-test1-hash>",
+								},
+							},
+							{
+								ConfigGroupResource: addonv1alpha1.ConfigGroupResource{Group: "core", Resource: "Bar"},
+								ConfigReferent:      addonv1alpha1.ConfigReferent{Name: "test2"},
+								DesiredConfig: &addonv1alpha1.ConfigSpecHash{
+									ConfigReferent: addonv1alpha1.ConfigReferent{Name: "test2"},
+									SpecHash:       "<core-bar-test2-hash>",
+								},
+							},
+						},
+						{Group: "core", Resource: "Foo"}: {
+							{
+								ConfigGroupResource: addonv1alpha1.ConfigGroupResource{Group: "core", Resource: "Foo"},
+								ConfigReferent:      addonv1alpha1.ConfigReferent{Name: "test"},
+								DesiredConfig: &addonv1alpha1.ConfigSpecHash{
+									ConfigReferent: addonv1alpha1.ConfigReferent{Name: "test"},
+									SpecHash:       "<core-foo-test-hash>",
+								},
+							},
+						},
+					},
+					mca: addontesting.NewAddon("test", "cluster1"),
+					status: &clustersdkv1alpha1.ClusterRolloutStatus{
+						ClusterName: "cluster1",
+						Status:      clustersdkv1alpha1.ToApply},
+				},
+				{
+					desiredConfigs: map[addonv1alpha1.ConfigGroupResource][]addonv1alpha1.ConfigReference{
+						{Group: "core", Resource: "Bar"}: {
+							{
+								ConfigGroupResource: addonv1alpha1.ConfigGroupResource{Group: "core", Resource: "Bar"},
+								ConfigReferent:      addonv1alpha1.ConfigReferent{Name: "test2"},
+								DesiredConfig: &addonv1alpha1.ConfigSpecHash{
+									ConfigReferent: addonv1alpha1.ConfigReferent{Name: "test2"},
+									SpecHash:       "<core-bar-test2-hash>",
+								},
+							},
+						},
+						{Group: "core", Resource: "Foo"}: {
+							{
+								ConfigGroupResource: addonv1alpha1.ConfigGroupResource{Group: "core", Resource: "Foo"},
+								ConfigReferent:      addonv1alpha1.ConfigReferent{Name: "test2"},
+								DesiredConfig: &addonv1alpha1.ConfigSpecHash{
+									ConfigReferent: addonv1alpha1.ConfigReferent{Name: "test2"},
+									SpecHash:       "<core-foo-test2-hash>",
+								},
+							},
+						},
+					},
+					mca: addontesting.NewAddon("test", "cluster2"),
+					status: &clustersdkv1alpha1.ClusterRolloutStatus{
+						ClusterName: "cluster2",
+						Status:      clustersdkv1alpha1.ToApply,
+					},
+				},
+			},
+		},
 	}

 	for _, c := range cases {
--- a/pkg/addon/controllers/addonprogressing/controller_test.go
+++ b/pkg/addon/controllers/addonprogressing/controller_test.go
@@ -115,11 +115,22 @@ func TestReconcile(t *testing.T) {
 					{
 						ConfigGroupResource: v1alpha1.ConfigGroupResource{Group: "core", Resource: "foo"},
 						DesiredConfig: &v1alpha1.ConfigSpecHash{
-							ConfigReferent: v1alpha1.ConfigReferent{Name: "test", Namespace: "open-cluster-management"},
-							SpecHash:       "hashnew",
+							ConfigReferent: v1alpha1.ConfigReferent{Name: "test1", Namespace: "open-cluster-management"},
+							SpecHash:       "hash1new",
 						},
 						LastAppliedConfig: &v1alpha1.ConfigSpecHash{
-							ConfigReferent: v1alpha1.ConfigReferent{Name: "test", Namespace: "open-cluster-management"},
+							ConfigReferent: v1alpha1.ConfigReferent{Name: "test1", Namespace: "open-cluster-management"},
+							SpecHash:       "",
+						},
+					},
+					{
+						ConfigGroupResource: v1alpha1.ConfigGroupResource{Group: "core", Resource: "foo"},
+						DesiredConfig: &v1alpha1.ConfigSpecHash{
+							ConfigReferent: v1alpha1.ConfigReferent{Name: "test2", Namespace: "open-cluster-management"},
+							SpecHash:       "hash2new",
+						},
+						LastAppliedConfig: &v1alpha1.ConfigSpecHash{
+							ConfigReferent: v1alpha1.ConfigReferent{Name: "test2", Namespace: "open-cluster-management"},
 							SpecHash:       "",
 						},
 					},
@@ -255,11 +266,22 @@ func TestReconcile(t *testing.T) {
 					{
 						ConfigGroupResource: v1alpha1.ConfigGroupResource{Group: "core", Resource: "foo"},
 						DesiredConfig: &v1alpha1.ConfigSpecHash{
-							ConfigReferent: v1alpha1.ConfigReferent{Name: "test", Namespace: "open-cluster-management"},
-							SpecHash:       "hashnew",
+							ConfigReferent: v1alpha1.ConfigReferent{Name: "test1", Namespace: "open-cluster-management"},
+							SpecHash:       "hash1new",
 						},
 						LastAppliedConfig: &v1alpha1.ConfigSpecHash{
-							ConfigReferent: v1alpha1.ConfigReferent{Name: "test", Namespace: "open-cluster-management"},
+							ConfigReferent: v1alpha1.ConfigReferent{Name: "test1", Namespace: "open-cluster-management"},
+							SpecHash:       "hash",
+						},
+					},
+					{
+						ConfigGroupResource: v1alpha1.ConfigGroupResource{Group: "core", Resource: "foo"},
+						DesiredConfig: &v1alpha1.ConfigSpecHash{
+							ConfigReferent: v1alpha1.ConfigReferent{Name: "test2", Namespace: "open-cluster-management"},
+							SpecHash:       "hash2new",
+						},
+						LastAppliedConfig: &v1alpha1.ConfigSpecHash{
+							ConfigReferent: v1alpha1.ConfigReferent{Name: "test2", Namespace: "open-cluster-management"},
 							SpecHash:       "hash",
 						},
 					},
@@ -395,11 +417,22 @@ func TestReconcile(t *testing.T) {
 					{
 						ConfigGroupResource: v1alpha1.ConfigGroupResource{Group: "core", Resource: "foo"},
 						DesiredConfig: &v1alpha1.ConfigSpecHash{
-							ConfigReferent: v1alpha1.ConfigReferent{Name: "test", Namespace: "open-cluster-management"},
-							SpecHash:       "hashnew",
+							ConfigReferent: v1alpha1.ConfigReferent{Name: "test1", Namespace: "open-cluster-management"},
+							SpecHash:       "hash1new",
 						},
 						LastAppliedConfig: &v1alpha1.ConfigSpecHash{
-							ConfigReferent: v1alpha1.ConfigReferent{Name: "test", Namespace: "open-cluster-management"},
+							ConfigReferent: v1alpha1.ConfigReferent{Name: "test1", Namespace: "open-cluster-management"},
+							SpecHash:       "",
+						},
+					},
+					{
+						ConfigGroupResource: v1alpha1.ConfigGroupResource{Group: "core", Resource: "foo"},
+						DesiredConfig: &v1alpha1.ConfigSpecHash{
+							ConfigReferent: v1alpha1.ConfigReferent{Name: "test2", Namespace: "open-cluster-management"},
+							SpecHash:       "hash2new",
+						},
+						LastAppliedConfig: &v1alpha1.ConfigSpecHash{
+							ConfigReferent: v1alpha1.ConfigReferent{Name: "test2", Namespace: "open-cluster-management"},
 							SpecHash:       "",
 						},
 					},
@@ -424,7 +457,8 @@ func TestReconcile(t *testing.T) {
 					addonapiv1alpha1.AddonLabelKey: "test",
 				})
 				work.SetAnnotations(map[string]string{
-					workapiv1.ManifestConfigSpecHashAnnotationKey: "{\"foo.core/open-cluster-management/test\":\"hashnew\"}",
+					workapiv1.ManifestConfigSpecHashAnnotationKey: "{\"foo.core/open-cluster-management/test1\":\"hash1new\"," +
+						"\"foo.core/open-cluster-management/test2\":\"hash2new\"}",
 				})
 				work.Status.Conditions = []metav1.Condition{
 					{
@@ -451,7 +485,7 @@ func TestReconcile(t *testing.T) {
 				if !(configCond != nil && configCond.Reason == addonapiv1alpha1.ProgressingReasonCompleted && configCond.Status == metav1.ConditionFalse) {
 					t.Errorf("Condition Progressing is incorrect")
 				}
-				if len(addOn.Status.ConfigReferences) != 1 {
+				if len(addOn.Status.ConfigReferences) != 2 {
 					t.Errorf("ConfigReferences object is not correct: %v", addOn.Status.ConfigReferences)
 				}
 				if addOn.Status.ConfigReferences[0].LastAppliedConfig.SpecHash != addOn.Status.ConfigReferences[0].DesiredConfig.SpecHash {
@@ -468,11 +502,22 @@ func TestReconcile(t *testing.T) {
 					{
 						ConfigGroupResource: v1alpha1.ConfigGroupResource{Group: "core", Resource: "foo"},
 						DesiredConfig: &v1alpha1.ConfigSpecHash{
-							ConfigReferent: v1alpha1.ConfigReferent{Name: "test", Namespace: "open-cluster-management"},
-							SpecHash:       "hashnew",
+							ConfigReferent: v1alpha1.ConfigReferent{Name: "test1", Namespace: "open-cluster-management"},
+							SpecHash:       "hash1new",
 						},
 						LastAppliedConfig: &v1alpha1.ConfigSpecHash{
-							ConfigReferent: v1alpha1.ConfigReferent{Name: "test", Namespace: "open-cluster-management"},
+							ConfigReferent: v1alpha1.ConfigReferent{Name: "test1", Namespace: "open-cluster-management"},
+							SpecHash:       "hash",
+						},
+					},
+					{
+						ConfigGroupResource: v1alpha1.ConfigGroupResource{Group: "core", Resource: "foo"},
+						DesiredConfig: &v1alpha1.ConfigSpecHash{
+							ConfigReferent: v1alpha1.ConfigReferent{Name: "test2", Namespace: "open-cluster-management"},
+							SpecHash:       "hash2new",
+						},
+						LastAppliedConfig: &v1alpha1.ConfigSpecHash{
+							ConfigReferent: v1alpha1.ConfigReferent{Name: "test2", Namespace: "open-cluster-management"},
 							SpecHash:       "hash",
 						},
 					},
@@ -497,7 +542,8 @@ func TestReconcile(t *testing.T) {
 					addonapiv1alpha1.AddonLabelKey: "test",
 				})
 				work.SetAnnotations(map[string]string{
-					workapiv1.ManifestConfigSpecHashAnnotationKey: "{\"foo.core/open-cluster-management/test\":\"hashnew\"}",
+					workapiv1.ManifestConfigSpecHashAnnotationKey: "{\"foo.core/open-cluster-management/test1\":\"hash1new\"," +
+						"\"foo.core/open-cluster-management/test2\":\"hash2new\"}",
 				})
 				work.Status.Conditions = []metav1.Condition{
 					{
@@ -524,7 +570,7 @@ func TestReconcile(t *testing.T) {
 				if !(configCond != nil && configCond.Reason == addonapiv1alpha1.ProgressingReasonCompleted && configCond.Status == metav1.ConditionFalse) {
 					t.Errorf("Condition Progressing is incorrect")
 				}
-				if len(addOn.Status.ConfigReferences) != 1 {
+				if len(addOn.Status.ConfigReferences) != 2 {
 					t.Errorf("ConfigReferences object is not correct: %v", addOn.Status.ConfigReferences)
 				}
 				if addOn.Status.ConfigReferences[0].LastAppliedConfig.SpecHash != addOn.Status.ConfigReferences[0].DesiredConfig.SpecHash {
--- a/pkg/addon/controllers/cmainstallprogression/controller.go
+++ b/pkg/addon/controllers/cmainstallprogression/controller.go
@@ -2,10 +2,12 @@ package cmainstallprogression

 import (
 	"context"
+	"sort"

 	"github.com/openshift/library-go/pkg/controller/factory"
 	"github.com/openshift/library-go/pkg/operator/events"
 	"k8s.io/apimachinery/pkg/api/errors"
+	"k8s.io/apimachinery/pkg/util/sets"
 	"k8s.io/klog/v2"

 	addonv1alpha1 "open-cluster-management.io/api/addon/v1alpha1"
@@ -131,30 +133,45 @@ func setInstallProgression(supportedConfigs []addonv1alpha1.ConfigMeta, placemen
 		}

 		// set config references as default configuration
-		installConfigReferences := []addonv1alpha1.InstallConfigReference{}
-		installConfigReferencesMap := map[addonv1alpha1.ConfigGroupResource]addonv1alpha1.ConfigReferent{}
+		installConfigReferencesMap := map[addonv1alpha1.ConfigGroupResource]sets.Set[addonv1alpha1.ConfigReferent]{}
 		for _, config := range supportedConfigs {
 			if config.DefaultConfig != nil {
-				installConfigReferencesMap[config.ConfigGroupResource] = *config.DefaultConfig
+				installConfigReferencesMap[config.ConfigGroupResource] = sets.New[addonv1alpha1.ConfigReferent](*config.DefaultConfig)
 			}
 		}

 		// override the default configuration for each placement
-		for _, config := range placementStrategy.Configs {
-			installConfigReferencesMap[config.ConfigGroupResource] = config.ConfigReferent
+		overrideConfigMapByAddOnConfigs(installConfigReferencesMap, placementStrategy.Configs)
+
+		// sort gvk
+		gvks := []addonv1alpha1.ConfigGroupResource{}
+		for gvk := range installConfigReferencesMap {
+			gvks = append(gvks, gvk)
 		}
+		sort.Slice(gvks, func(i, j int) bool {
+			if gvks[i].Group == gvks[j].Group {
+				return gvks[i].Resource < gvks[j].Resource
+			}
+			return gvks[i].Group < gvks[j].Group
+		})

 		// set the config references for each install progression
-		for k, v := range installConfigReferencesMap {
-			installConfigReferences = append(installConfigReferences,
-				addonv1alpha1.InstallConfigReference{
-					ConfigGroupResource: k,
-					DesiredConfig: &addonv1alpha1.ConfigSpecHash{
-						ConfigReferent: v,
-					},
-				},
-			)
+		installConfigReferences := []addonv1alpha1.InstallConfigReference{}
+		for _, gvk := range gvks {
+			if configRefs, ok := installConfigReferencesMap[gvk]; ok {
+				for configRef := range configRefs {
+					installConfigReferences = append(installConfigReferences,
+						addonv1alpha1.InstallConfigReference{
+							ConfigGroupResource: gvk,
+							DesiredConfig: &addonv1alpha1.ConfigSpecHash{
+								ConfigReferent: configRef,
+							},
+						},
+					)
+				}
+			}
 		}
+
 		installProgression.ConfigReferences = installConfigReferences

 		// if the config group resource already exists in status, merge the install progression
@@ -172,7 +189,7 @@ func findInstallProgression(newobj *addonv1alpha1.InstallProgression, oldobjs []
 			count := 0
 			for _, oldconfig := range oldobj.ConfigReferences {
 				for _, newconfig := range newobj.ConfigReferences {
-					if oldconfig.ConfigGroupResource == newconfig.ConfigGroupResource {
+					if oldconfig.ConfigGroupResource == newconfig.ConfigGroupResource && oldconfig.DesiredConfig.ConfigReferent == newconfig.DesiredConfig.ConfigReferent {
 						count += 1
 					}
 				}
@@ -189,8 +206,9 @@ func mergeInstallProgression(newobj, oldobj *addonv1alpha1.InstallProgression) {
 	// merge config reference
 	for i := range newobj.ConfigReferences {
 		for _, oldconfig := range oldobj.ConfigReferences {
-			if newobj.ConfigReferences[i].ConfigGroupResource == oldconfig.ConfigGroupResource {
-				if newobj.ConfigReferences[i].DesiredConfig.ConfigReferent == oldconfig.DesiredConfig.ConfigReferent {
+			if newobj.ConfigReferences[i].ConfigGroupResource == oldconfig.ConfigGroupResource &&
+				newobj.ConfigReferences[i].DesiredConfig.ConfigReferent == oldconfig.DesiredConfig.ConfigReferent {
+				if oldconfig.DesiredConfig.SpecHash != "" {
 					newobj.ConfigReferences[i].DesiredConfig.SpecHash = oldconfig.DesiredConfig.SpecHash
 				}
 				newobj.ConfigReferences[i].LastAppliedConfig = oldconfig.LastAppliedConfig.DeepCopy()
@@ -200,3 +218,25 @@ func mergeInstallProgression(newobj, oldobj *addonv1alpha1.InstallProgression) {
 	}
 	newobj.Conditions = oldobj.Conditions
 }
+
+// Override the desired configs by a slice of AddOnConfig (from cma install strategy),
+func overrideConfigMapByAddOnConfigs(
+	desiredConfigs map[addonv1alpha1.ConfigGroupResource]sets.Set[addonv1alpha1.ConfigReferent],
+	addOnConfigs []addonv1alpha1.AddOnConfig,
+) {
+	gvkOverwritten := sets.New[addonv1alpha1.ConfigGroupResource]()
+	// Go through the cma install strategy configs,
+	// for a group of configs with same gvk, install strategy configs override the desiredConfigs.
+	for _, config := range addOnConfigs {
+		gr := config.ConfigGroupResource
+		if !gvkOverwritten.Has(gr) {
+			desiredConfigs[gr] = sets.New[addonv1alpha1.ConfigReferent]()
+			gvkOverwritten.Insert(gr)
+		}
+		// If a config not exist in the desiredConfigs, append it.
+		// This is to avoid adding duplicate configs (name + namespace).
+		if !desiredConfigs[gr].Has(config.ConfigReferent) {
+			desiredConfigs[gr].Insert(config.ConfigReferent)
+		}
+	}
+}
--- a/pkg/addon/controllers/cmainstallprogression/controller_test.go
+++ b/pkg/addon/controllers/cmainstallprogression/controller_test.go
@@ -87,7 +87,7 @@ func TestReconcile(t *testing.T) {
 			validateAddonActions: addontesting.AssertNoActions,
 		},
 		{
-			name:                "update clustermanagementaddon status with type placements",
+			name:                "update clustermanagementaddon status with type placements with multiple same-GVK",
 			syncKey:             "test",
 			managedClusteraddon: []runtime.Object{},
 			clusterManagementAddon: []runtime.Object{addontesting.NewClusterManagementAddon("test", "testcrd", "testcr").WithPlacementStrategy(
@@ -115,6 +115,62 @@ func TestReconcile(t *testing.T) {
 						},
 					},
 				},
+				addonapiv1alpha1.PlacementStrategy{
+					PlacementRef: addonapiv1alpha1.PlacementRef{
+						Name:      "placement3",
+						Namespace: "test",
+					},
+					Configs: []addonapiv1alpha1.AddOnConfig{
+						{
+							ConfigGroupResource: addonapiv1alpha1.ConfigGroupResource{
+								Group:    "addon.open-cluster-management.io",
+								Resource: "addondeploymentconfigs",
+							},
+							ConfigReferent: addonapiv1alpha1.ConfigReferent{
+								Name:      "test",
+								Namespace: "test",
+							},
+						},
+						{
+							ConfigGroupResource: addonapiv1alpha1.ConfigGroupResource{
+								Group:    "addon.open-cluster-management.io",
+								Resource: "addondeploymentconfigs",
+							},
+							ConfigReferent: addonapiv1alpha1.ConfigReferent{
+								Name:      "test",
+								Namespace: "test1",
+							},
+						},
+					},
+				},
+				addonapiv1alpha1.PlacementStrategy{
+					PlacementRef: addonapiv1alpha1.PlacementRef{
+						Name:      "placement4",
+						Namespace: "test",
+					},
+					Configs: []addonapiv1alpha1.AddOnConfig{
+						{
+							ConfigGroupResource: addonapiv1alpha1.ConfigGroupResource{
+								Group:    "addon.open-cluster-management.io",
+								Resource: "addondeploymentconfigs",
+							},
+							ConfigReferent: addonapiv1alpha1.ConfigReferent{
+								Name:      "test",
+								Namespace: "test",
+							},
+						},
+						{
+							ConfigGroupResource: addonapiv1alpha1.ConfigGroupResource{
+								Group:    "addon.open-cluster-management.io",
+								Resource: "addondeploymentconfigs",
+							},
+							ConfigReferent: addonapiv1alpha1.ConfigReferent{
+								Name:      "test",
+								Namespace: "test",
+							},
+						},
+					},
+				},
 			).Build()},
 			validateAddonActions: func(t *testing.T, actions []clienttesting.Action) {
 				addontesting.AssertActions(t, actions, "patch")
@@ -128,7 +184,7 @@ func TestReconcile(t *testing.T) {
 				if len(cma.Status.DefaultConfigReferences) != 0 {
 					t.Errorf("DefaultConfigReferences object is not correct: %v", cma.Status.DefaultConfigReferences)
 				}
-				if len(cma.Status.InstallProgressions) != 2 {
+				if len(cma.Status.InstallProgressions) != 4 {
 					t.Errorf("InstallProgressions object is not correct: %v", cma.Status.InstallProgressions)
 				}
 				if len(cma.Status.InstallProgressions[0].ConfigReferences) != 0 {
@@ -137,11 +193,16 @@ func TestReconcile(t *testing.T) {
 				if len(cma.Status.InstallProgressions[1].ConfigReferences) != 1 {
 					t.Errorf("InstallProgressions ConfigReferences object is not correct: %v", cma.Status.InstallProgressions[0].ConfigReferences)
 				}
-
+				if len(cma.Status.InstallProgressions[2].ConfigReferences) != 2 {
+					t.Errorf("InstallProgressions ConfigReferences object is not correct: %v", cma.Status.InstallProgressions[0].ConfigReferences)
+				}
+				if len(cma.Status.InstallProgressions[3].ConfigReferences) != 1 {
+					t.Errorf("InstallProgressions ConfigReferences object is not correct: %v", cma.Status.InstallProgressions[0].ConfigReferences)
+				}
 			},
 		},
 		{
-			name:                "update clustermanagementaddon status with type placements and default configs",
+			name:                "update clustermanagementaddon status with type placements with multiple same-GVK and default configs",
 			syncKey:             "test",
 			managedClusteraddon: []runtime.Object{},
 			clusterManagementAddon: []runtime.Object{addontesting.NewClusterManagementAddon("test", "testcrd", "testcr").WithPlacementStrategy(
@@ -168,6 +229,34 @@ func TestReconcile(t *testing.T) {
 						Name:      "placement2",
 						Namespace: "test",
 					},
+					Configs: []addonapiv1alpha1.AddOnConfig{
+						{
+							ConfigGroupResource: addonapiv1alpha1.ConfigGroupResource{
+								Group:    "addon.open-cluster-management.io",
+								Resource: "addonhubconfigs",
+							},
+							ConfigReferent: addonapiv1alpha1.ConfigReferent{
+								Name:      "test1",
+								Namespace: "test",
+							},
+						},
+						{
+							ConfigGroupResource: addonapiv1alpha1.ConfigGroupResource{
+								Group:    "addon.open-cluster-management.io",
+								Resource: "addonhubconfigs",
+							},
+							ConfigReferent: addonapiv1alpha1.ConfigReferent{
+								Name:      "test2",
+								Namespace: "test",
+							},
+						},
+					},
+				},
+				addonapiv1alpha1.PlacementStrategy{
+					PlacementRef: addonapiv1alpha1.PlacementRef{
+						Name:      "placement3",
+						Namespace: "test",
+					},
 					Configs: []addonapiv1alpha1.AddOnConfig{
 						{
 							ConfigGroupResource: addonapiv1alpha1.ConfigGroupResource{
@@ -175,7 +264,17 @@ func TestReconcile(t *testing.T) {
 								Resource: "addondeploymentconfigs",
 							},
 							ConfigReferent: addonapiv1alpha1.ConfigReferent{
-								Name:      "test",
+								Name:      "test3",
+								Namespace: "test",
+							},
+						},
+						{
+							ConfigGroupResource: addonapiv1alpha1.ConfigGroupResource{
+								Group:    "addon.open-cluster-management.io",
+								Resource: "addondeploymentconfigs",
+							},
+							ConfigReferent: addonapiv1alpha1.ConfigReferent{
+								Name:      "test4",
 								Namespace: "test",
 							},
 						},
@@ -204,7 +303,7 @@ func TestReconcile(t *testing.T) {
 				if len(cma.Status.DefaultConfigReferences) != 1 {
 					t.Errorf("DefaultConfigReferences object is not correct: %v", cma.Status.DefaultConfigReferences)
 				}
-				if len(cma.Status.InstallProgressions) != 2 {
+				if len(cma.Status.InstallProgressions) != 3 {
 					t.Errorf("InstallProgressions object is not correct: %v", cma.Status.InstallProgressions)
 				}
 				if len(cma.Status.InstallProgressions[0].ConfigReferences) != 1 {
@@ -216,6 +315,9 @@ func TestReconcile(t *testing.T) {
 				if len(cma.Status.InstallProgressions[1].ConfigReferences) != 2 {
 					t.Errorf("InstallProgressions ConfigReferences object is not correct: %v", cma.Status.InstallProgressions[0].ConfigReferences)
 				}
+				if len(cma.Status.InstallProgressions[2].ConfigReferences) != 3 {
+					t.Errorf("InstallProgressions ConfigReferences object is not correct: %v", cma.Status.InstallProgressions[0].ConfigReferences)
+				}
 			},
 		},
 	}