Remove support for Kubernetes 1.27, 1.28, and 1.29 (#12343)

Signed-off-by: Jakub Scholz <www@scholzj.com>

Author: scholzj

.azure/scripts/setup-helm.sh

@@ -1,8 +1,8 @@
 #!/usr/bin/env bash
 set -x
 
-TEST_HELM3_VERSION=${TEST_HELM3_VERSION:-'v3.15.4'}
-TEST_HELM_UNITTEST_VERSION=${TEST_HELM_UNITTEST_VERSION:-'v0.6.3'}
+TEST_HELM3_VERSION=${TEST_HELM3_VERSION:-'v3.20.0'}
+TEST_HELM_UNITTEST_VERSION=${TEST_HELM_UNITTEST_VERSION:-'v1.0.3'}
 
 function install_helm3 {
     export HELM_INSTALL_DIR=/usr/bin

.azure/scripts/setup-kind.sh

@@ -3,11 +3,11 @@ set -xe
 
 rm -rf ~/.kube
 
-KIND_VERSION=${KIND_VERSION:-"v0.29.0"}
-KIND_CLOUD_PROVIDER_VERSION=${KIND_CLOUD_PROVIDER_VERSION:-"v0.6.0"}
+KIND_VERSION=${KIND_VERSION:-"v0.31.0"}
+KIND_CLOUD_PROVIDER_VERSION=${KIND_CLOUD_PROVIDER_VERSION:-"v0.10.0"}
 # To properly upgrade Kind version check the releases in github https://github.com/kubernetes-sigs/kind/releases and use proper image based on Kind version
-KIND_LATEST_DEFAULT_IMAGE="kindest/node:v1.33.1@sha256:050072256b9a903bd914c0b2866828150cb229cea0efe5892e2b644d5dd3b34f"
-KIND_OLDEST_DEFAULT_IMAGE="kindest/node:v1.27.16@sha256:2d21a61643eafc439905e18705b8186f3296384750a835ad7a005dceb9546d20"
+KIND_LATEST_DEFAULT_IMAGE="kindest/node:v1.35.0@sha256:452d707d4862f52530247495d180205e029056831160e22870e37e3f6c1ac31f"
+KIND_OLDEST_DEFAULT_IMAGE="kindest/node:v1.30.13@sha256:397209b3d947d154f6641f2d0ce8d473732bd91c87d9575ade99049aa33cd648"
 KIND_NODE_IMAGE=${KIND_NODE_IMAGE:-$KIND_LATEST_DEFAULT_IMAGE}
 # Replace latest as one special version
 if [[ "${KIND_NODE_IMAGE}" == "latest" ]]; then

.azure/scripts/setup-kubernetes.sh

@@ -3,7 +3,7 @@ set -xe
 
 rm -rf ~/.kube
 
-KUBE_VERSION=${KUBE_VERSION:-1.27.0}
+KUBE_VERSION=${KUBE_VERSION:-1.30.0}
 MINIKUBE_REGISTRY_IMAGE=${REGISTRY_IMAGE:-"registry"}
 COPY_DOCKER_LOGIN=${COPY_DOCKER_LOGIN:-"false"}
 

.azure/templates/steps/default_variables.yaml

@@ -22,7 +22,7 @@ variables:
   repo_slug: $(Build.Repository.Name)
   commit_message: $(Build.SourceVersionMessage)
   test_cluster: minikube
-  test_kubectl_version: v1.27.0
+  test_kubectl_version: v1.30.0
   strimzi_default_log_level: DEBUG
   operator_image_pull_policy: IfNotPresent
   components_image_pull_policy: IfNotPresent

.azure/templates/steps/prerequisites/install_helm.yaml

@@ -2,5 +2,5 @@ steps:
   - bash: ".azure/scripts/setup-helm.sh"
     displayName: "Install Helm"
     env:
-      TEST_HELM3_VERSION: v3.15.4
-      TEST_HELM_UNITTEST_VERSION: v0.5.2
+      TEST_HELM3_VERSION: v3.20.0
+      TEST_HELM_UNITTEST_VERSION: v1.0.3

.azure/templates/steps/prerequisites/install_minikube.yaml

@@ -3,5 +3,5 @@ steps:
     displayName: "Setup Minikube cluster"
     env:
       TEST_CLUSTER: minikube
-      TEST_KUBECTL_VERSION: v1.27.0
-      TEST_MINIKUBE_VERSION: v1.36.0
+      TEST_KUBECTL_VERSION: v1.30.0
+      TEST_MINIKUBE_VERSION: v1.37.0

.github/actions/dependencies/install-helm/action.yml

@@ -9,5 +9,5 @@ runs:
       run: "${{ github.action_path }}/../../../../.azure/scripts/setup-helm.sh"
       env:
         # TODO - update versions in the upcoming PRs
-        TEST_HELM3_VERSION: v3.15.4
-        TEST_HELM_UNITTEST_VERSION: v0.5.2
+        TEST_HELM3_VERSION: v3.20.0
+        TEST_HELM_UNITTEST_VERSION: v1.0.3

CHANGELOG.md

@@ -4,6 +4,11 @@
 
 * Nothing here yet, but we will surely develop something new pretty soon 😉
 
+### Major changes, deprecations, and removals
+
+* **From Strimzi 0.51 on, we support only Kubernetes 1.30 and newer.**
+  Kubernetes 1.27, 1.28, and 1.29 are not supported anymore.
+
 ## 0.50.0
 
 * Use Java 21 as the runtime and language level

api/pom.xml

@@ -350,7 +350,7 @@
                                 <argument>io.strimzi.crdgenerator.DocGenerator</argument>
                                 <argument>--linker</argument>
                                 <argument>io.strimzi.crdgenerator.KubeLinker</argument>
-                                <argument>https://kubernetes.io/docs/reference/generated/kubernetes-api/v1.27/</argument>
+                                <argument>https://kubernetes.io/docs/reference/generated/kubernetes-api/v1.30/</argument>
                                 <argument>modules/appendix_crds.adoc</argument>
                                 <argument>io.strimzi.api.kafka.model.kafka.Kafka</argument>
                                 <argument>io.strimzi.api.kafka.model.connect.KafkaConnect</argument>

crd-generator/src/main/java/io/strimzi/crdgenerator/annotations/Crd.java

@@ -190,7 +190,7 @@ Subresources subresources() default @Subresources(
 
             /**
              * The scale subresource of a custom resources that this is the definition for.
-             * @see <a href="https://kubernetes.io/docs/reference/generated/kubernetes-api/v1.27/#customresourcesubresourcescale-v1-apiextensions-k8s-io">Kubernetes 1.27 API documtation</a>
+             * @see <a href="https://kubernetes.io/docs/reference/generated/kubernetes-api/v1.30/#customresourcesubresourcescale-v1-apiextensions-k8s-io">Kubernetes 1.30 API documetation</a>
              */
             @interface Scale {
                 /**