Set ZOOCFGDIR env var to /stackable/rwconfig via product config (#988)

* Set ZOOCFGDIR env var to /stackable/rwconfig via product config

* Adapt changelog

Author: maltesander

CHANGELOG.md

@@ -4,6 +4,12 @@ All notable changes to this project will be documented in this file.
 
 ## [Unreleased]
 
+### Added
+
+- Add `ZOOCFGDIR` env var to `/stackable/rwconfig` to improve shell script usage like `zkCleanup.sh` ([#988]).
+
+[#988]: https://github.com/stackabletech/zookeeper-operator/pull/988
+
 ## [25.11.0] - 2025-11-07
 
 ## [25.11.0-rc1] - 2025-11-06

rust/operator-binary/src/crd/mod.rs

@@ -416,16 +416,24 @@ impl Configuration for v1alpha1::ZookeeperConfigFragment {
         resource: &Self::Configurable,
         _role_name: &str,
     ) -> Result<BTreeMap<String, Option<String>>, product_config_utils::Error> {
-        Ok([(
-            v1alpha1::ZookeeperConfig::MYID_OFFSET.to_string(),
-            self.myid_offset
-                .or(v1alpha1::ZookeeperConfig::default_server_config(
-                    &resource.name_any(),
-                    &ZookeeperRole::Server,
-                )
-                .myid_offset)
-                .map(|myid_offset| myid_offset.to_string()),
-        )]
+        Ok([
+            (
+                v1alpha1::ZookeeperConfig::MYID_OFFSET.to_string(),
+                self.myid_offset
+                    .or(v1alpha1::ZookeeperConfig::default_server_config(
+                        &resource.name_any(),
+                        &ZookeeperRole::Server,
+                    )
+                    .myid_offset)
+                    .map(|myid_offset| myid_offset.to_string()),
+            ),
+            // This is used by zkEnv.sh and for the shell scripts in bin/
+            // If unset it tries to find the conf directory automatically and that fails
+            (
+                "ZOOCFGDIR".to_string(),
+                Some(STACKABLE_RW_CONFIG_DIR.to_string()),
+            ),
+        ]
         .into())
     }