feat: new resource for DBClusterEndpoint (#218)

Issue [#854](aws-controllers-k8s/community#854)

Description of changes:
The Amazon RDS [DBClusterEndpoint](https://docs.aws.amazon.com/AmazonRDS/latest/APIReference/API_CreateDBClusterEndpoint.html) resource represents the RDS Aurora Serverless API's command-line/configuration options for DB clusters.

- [x] generator config file to un-ignore DBClusterEndpoint resource
- [x] generate RDS service controller with support for the DBClusterEndpoint resource
- [x] e2e python test for CRUD operations for a DBClusterEndpoint

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

Author: michaelhtm

apis/v1alpha1/ack-generate-metadata.yaml

@@ -1,13 +1,13 @@
 ack_generate_info:
-  build_date: "2025-04-11T18:51:18Z"
+  build_date: "2025-04-25T05:50:00Z"
   build_hash: 0909e7f0adb8ffe4120a8c20d5d58b991f2539e9
   go_version: go1.24.1
   version: v0.44.0-3-g0909e7f
-api_directory_checksum: 2960d5d47c03026d9207068e776eef99e09f798a
+api_directory_checksum: 52968d74358773de28be65be320d1bfb9c91e0bf
 api_version: v1alpha1
 aws_sdk_go_version: v1.32.6
 generator_config_info:
-  file_checksum: a26cf64f154232a938a280a17dfc5219c2c75877
+  file_checksum: ced2b68c703e2daf7b04da8f84f6ad6c95114fb9
   original_file_name: generator.yaml
 last_modification:
   reason: API generation

apis/v1alpha1/db_cluster_endpoint.go

@@ -4,7 +4,7 @@ ignore:
     - CustomAvailabilityZone
     - CustomDBEngineVersion
     #- DBCluster
-    - DBClusterEndpoint
+    # - DBClusterEndpoint
     #- DBClusterParameterGroup
     # DBClusterSnapshot
     #- DBInstance
@@ -99,6 +99,9 @@ ignore:
     - CreateGlobalClusterOutput.GlobalCluster.TagList
     - CreateGlobalClusterOutput.GlobalCluster.FailoverState.IsDataLossAllowed
     - GlobalClusterMember.SynchronizationStatus
+    - CreateDBClusterEndpointOutput.EndpointType
+    - ModifyDBClusterEndpointOutput.EndpointType
+    - DBClusterEndpoint.EndpointType
 operations:
   ModifyDBCluster:
     override_values:
@@ -578,3 +581,36 @@ resources:
         template_path: hooks/db_cluster_snapshot/sdk_read_many_post_set_output.go.tpl
     update_operation:
       custom_method_name: customUpdateDBClusterSnapshot
+  DBClusterEndpoint:
+    renames:
+      operations:
+        CreateDBClusterEndpoint:
+          output_fields:
+            CustomEndpointType: EndpointType
+        DescribeDBClusterEndpoints:
+          output_fields:
+            CustomEndpointType: EndpointType
+        ModifyDBClusterEndpoint:
+          output_fields:
+            CustomEndpointType: EndpointType
+    fields:
+      # i would rename this to Name, or ID..probably name makes more sense since it's in
+      # the spec...but i also want to keep the standard we have..
+      # any thoughts?
+      DBClusterEndpointIdentifier:
+        is_primary_key: true
+      DBClusterIdentifier:
+        references:
+          resource: DBCluster
+          path: Spec.DBClusterIdentifier
+      Tags:
+        compare:
+          # We have a custom comparison function...
+          is_ignored: true
+    hooks:
+      sdk_read_many_post_set_output:
+        template_path: hooks/db_cluster_endpoint/sdk_read_many_post_set_output.go.tpl
+      sdk_update_pre_set_output:
+        template_path: hooks/db_cluster_endpoint/sdk_update_pre_set_output.go.tpl
+      delta_pre_compare:
+        template_path: hooks/db_cluster_endpoint/delta_pre_compare.go.tpl