feat: add listener presets for minikube

rust/stackable-cockpit/src/platform/operator/listener_operator.rs

@@ -45,6 +45,9 @@ pub async fn determine_and_store_listener_class_preset(from_cli: Option<&Listene
     let listener_class_preset = match kubernetes_environment {
         // Kind does not support LoadBalancers out of the box, so avoid that
         KubernetesEnvironment::Kind => ListenerClassPreset::StableNodes,
+        // Minikube does support LoadBalancers via "minikube tunnel", but that requires additional setup
+        // and we assume that users running Minikube with stackablectl want to keep things simple.
+        KubernetesEnvironment::Minikube => ListenerClassPreset::StableNodes,
         // LoadBalancer support in k3s is optional, so let's be better safe than sorry and not use
         // them
         KubernetesEnvironment::K3s => ListenerClassPreset::StableNodes,
@@ -69,6 +72,7 @@ enum KubernetesEnvironment {
     Kind,
     K3s,
     Ionos,
+    Minikube,
     Unknown,
 }
 
@@ -100,6 +104,13 @@ async fn guess_kubernetes_environment() -> Result<KubernetesEnvironment, snafu::
                 }
             }
         }
+
+        // Check labels for minikube (since minikube doesn't set providerID)
+        if let Some(labels) = node.metadata.labels.as_ref() {
+            if labels.contains_key("minikube.k8s.io/version") {
+                return Ok(KubernetesEnvironment::Minikube);
+            }
+        }
     }
 
     Ok(KubernetesEnvironment::Unknown)

rust/stackablectl/CHANGELOG.md

@@ -4,6 +4,12 @@ All notable changes to this project will be documented in this file.
 
 ## [Unreleased]
 
+### Added
+
+- Heuristic for setting listener presets when the environment is Minikube ([#438]).
+
+[#438]: https://github.com/stackabletech/stackable-cockpit/pull/438
+
 ## [1.4.0] - 2026-03-18
 
 ### Added