feat: Add Region::is_default_config function

crates/stackable-operator/CHANGELOG.md

@@ -4,6 +4,10 @@ All notable changes to this project will be documented in this file.
 
 ## [Unreleased]
 
+### Added
+
+- Add a `Region::is_default_config` function to determine if a region sticks to the default config ([#XXX]).
+
 ## [0.87.2] - 2025-03-10
 
 ### Changed

crates/stackable-operator/src/commons/s3/crd.rs

@@ -98,18 +98,31 @@ pub enum S3AccessStyle {
 #[derive(Clone, Debug, Deserialize, Eq, JsonSchema, PartialEq, Serialize)]
 #[serde(rename_all = "camelCase")]
 pub struct Region {
- #[serde(default = "default_region_name")]
+ #[serde(default = "Region::default_region_name")]
  pub name: String,
 }
 
+/// Having it as const &str as well, so we don't always allocate a [`String`] just for comparisons
+const DEFAULT_REGION_NAME: &str = "us-east-1";
+impl Region {
+ fn default_region_name() -> String {
+ DEFAULT_REGION_NAME.to_string()
+ }
+
+ /// Returns if the region sticks to the Stackable defaults.
+ ///
+ /// Some products don't really support configuring the region.
+ /// This function can be used to determine if a warning or error should be raised to inform the
+ /// user of this situation.
+ pub fn is_default_config(&self) -> bool {
+ self.name == DEFAULT_REGION_NAME
+ }
+}
+
 impl Default for Region {
  fn default() -> Self {
  Self {
- name: default_region_name(),
+ name: Self::default_region_name(),
  }
  }
 }
-
-fn default_region_name() -> String {
- "us-east-1".into()
-}