chore: update docs and tests to sdp 26.3 versions

CHANGELOG.md

@@ -8,6 +8,7 @@ All notable changes to this project will be documented in this file.
 
 - Support objectOverrides using `.spec.objectOverrides`.
   See [objectOverrides concepts page](https://docs.stackable.tech/home/nightly/concepts/overrides/#object-overrides) for details ([#927]).
+- Added experimental support for `4.1.1` ([#929])
 
 ### Changed
 
@@ -18,12 +19,14 @@ All notable changes to this project will be documented in this file.
 
 - Refactor: remove unused RBAC cluster role ([#914]).
 - Refactor: remove superfluous and partly misconfigured Kafka listeners CLIENT_AUTH and CONTROLLER_AUTH ([#915]).
+- Remove support for `3.7.2` and `4.1.0` ([#929])
 
 [#911]: https://github.com/stackabletech/kafka-operator/pull/911
 [#914]: https://github.com/stackabletech/kafka-operator/pull/914
 [#915]: https://github.com/stackabletech/kafka-operator/pull/915
 [#925]: https://github.com/stackabletech/kafka-operator/pull/925
 [#927]: https://github.com/stackabletech/kafka-operator/pull/927
+[#929]: https://github.com/stackabletech/kafka-operator/pull/929
 
 ## [25.11.0] - 2025-11-07
 

docs/modules/kafka/partials/supported-versions.adoc

@@ -2,9 +2,8 @@
 // This is a separate file, since it is used by both the direct Kafka documentation, and the overarching
 // Stackable Platform documentation.
 
-* 4.1.0 (experimental)
+* 4.1.1 (experimental)
 * 3.9.1 (LTS)
-* 3.7.2 (deprecated)
 
 Support for clusters running in Kraft mode (which includes Apache Kafka 4.x.x) is experimental because it has not been thoroughly tested in production environments yet.
 Migrations from older Kafka version which used Apache Zookeeper for cluster coordination to the new KRaft mode are not supported yet.
@@ -13,4 +12,4 @@ Also there are some known issues such as:
 
 * Controller scaling is not reliable.
 * Kerberos authentication is not tested yet.
-* Service exposision is not definitive.
+* Service exposition is not definitive.

tests/templates/kuttl/upgrade/02-assert.yaml.j2

@@ -10,3 +10,11 @@ metadata:
 status:
   readyReplicas: 1
   replicas: 1
+---
+apiVersion: apps/v1
+kind: StatefulSet
+metadata:
+  name: test-kafka-controller-default
+status:
+  readyReplicas: 1
+  replicas: 1

tests/templates/kuttl/upgrade/02-install-kafka.yaml.j2

@@ -1,11 +1,3 @@
----
-apiVersion: zookeeper.stackable.tech/v1alpha1
-kind: ZookeeperZnode
-metadata:
-  name: test-kafka-znode
-spec:
-  clusterRef:
-    name: test-zk
 {% if test_scenario['values']['use-client-auth-tls'] == 'true' %}
 ---
 apiVersion: authentication.stackable.tech/v1alpha1
@@ -53,7 +45,6 @@ spec:
 {% if lookup('env', 'VECTOR_AGGREGATOR') %}
     vectorAggregatorConfigMapName: vector-aggregator-discovery
 {% endif %}
-    zookeeperConfigMapName: test-zk
   brokers:
     config:
       gracefulShutdownTimeout: 30s # speed up tests
@@ -62,3 +53,11 @@ spec:
     roleGroups:
       default:
         replicas: 1
+  controllers:
+    config:
+      gracefulShutdownTimeout: 30s # speed up tests
+      logging:
+        enableVectorAgent: {{ lookup('env', 'VECTOR_AGGREGATOR') | length > 0 }}
+    roleGroups:
+      default:
+        replicas: 1

tests/templates/kuttl/upgrade/04-assert.yaml.j2

@@ -14,3 +14,15 @@ status:
   replicas: 1
   currentReplicas: 1
   updatedReplicas: 1
+---
+apiVersion: apps/v1
+kind: StatefulSet
+metadata:
+  name: test-kafka-controller-default
+  labels:
+    app.kubernetes.io/version: "{{ test_scenario['values']['upgrade_new'] }}-stackable0.0.0-dev"
+status:
+  readyReplicas: 1
+  replicas: 1
+  currentReplicas: 1
+  updatedReplicas: 1

tests/test-definition.yaml

@@ -6,12 +6,10 @@
 dimensions:
   - name: kafka-kraft
     values:
-      - 3.7.2
       - 3.9.1
-      - 4.1.0
+      - 4.1.1
   - name: kafka
     values:
-      - 3.7.2
       - 3.9.1
       # Alternatively, if you want to use a custom image, append a comma and the full image name to the product version
       # as in the example below.
@@ -24,17 +22,16 @@ dimensions:
       # - 3.9.1,oci.stackable.tech/sdp/kafka:3.9.1-stackable0.0.0-dev
   - name: zookeeper
     values:
-      - 3.9.3
       - 3.9.4
   - name: zookeeper-latest
     values:
       - 3.9.4
   - name: upgrade_old
     values:
-      - 3.7.2
+      - 3.9.1
   - name: upgrade_new
     values:
-      - 3.9.1
+      - 4.1.1
   - name: use-client-tls
     values:
       - "true"
@@ -86,9 +83,9 @@ tests:
     dimensions:
       - kafka-latest
       - openshift
+  # This tests upgrading kraft clusters only
   - name: upgrade
     dimensions:
-      - zookeeper
       - upgrade_new
       - upgrade_old
       - use-client-tls