Update minimum kubernetes version to 1.28.0, run tests on latest patc…

…h of that version: v1.28.9

Signed-off-by: pjuarezd <[email protected]>

.github/workflows/kubernetes-tests.yml

@@ -479,7 +479,7 @@ jobs:
       # Runs a set of commands using the runners shell
       - name: Deploy a MinIO Tenant on Kind
         run: |
-          curl -sLO "https://dl.k8s.io/release/v1.23.1/bin/linux/amd64/kubectl" -o kubectl
+          curl -sLO "https://dl.k8s.io/release/v1.28.12/bin/linux/amd64/kubectl" -o kubectl
           chmod +x kubectl
           mv kubectl /usr/local/bin
           "${GITHUB_WORKSPACE}/testing/check-helm.sh"
@@ -518,7 +518,7 @@ jobs:
         env:
           TEST_FLOOR: true
         run: |
-          curl -sLO "https://dl.k8s.io/release/v1.23.1/bin/linux/amd64/kubectl" -o kubectl
+          curl -sLO "https://dl.k8s.io/release/v1.28.12/bin/linux/amd64/kubectl" -o kubectl
           chmod +x kubectl
           mv kubectl /usr/local/bin
           "${GITHUB_WORKSPACE}/testing/check-helm.sh"

README.md

@@ -37,15 +37,11 @@ a Kubernetes cluster.
 
 ## Prerequisites
 
-### Kubernetes 1.21 or Later
+### Kubernetes 1.28.0 or Later
 
-Starting with Operator v5.0.0, MinIO requires Kubernetes version 1.21.0 or later. You must upgrade your Kubernetes
-cluster to 1.21.0 or later to use Operator
-v5.0.0+.
-
-Starting with Operator v4.0.0, MinIO requires Kubernetes version 1.19.0 or later. Previous versions of the Operator
-supported Kubernetes 1.17.0 or later. You must upgrade your Kubernetes cluster to 1.19.0 or later to use Operator
-v4.0.0+.
+Starting with Operator v6.0.0, MinIO requires Kubernetes version 1.28.0 or later. You must upgrade your Kubernetes
+cluster to 1.28.0 or later to use Operator
+v6.0.0+.
 
 This procedure assumes the host machine has [`kubectl`](https://kubernetes.io/docs/tasks/tools) installed and configured
 with access to the target Kubernetes cluster.

docs/notes/v6.0.0.md

@@ -6,7 +6,7 @@ MinIO Operator is the recommended production-ready way to manage MinIO deploymen
 
 ## What’s new?
 
-Operator 6.0.0 is now available. This release requires Kubernetes version 1.25.0 or later. If your cluster does not use Kubernetes version 1.25.0 or later, you must upgrade your cluster to before installing or upgrading to Operator v6.0.0+.
+Operator 6.0.0 is now available. This release requires Kubernetes version 1.28.0 or later. If your cluster does not use Kubernetes version 1.28.0 or later, you must upgrade your cluster to before installing or upgrading to Operator v6.0.0+.
 
 * Introducing MinIO Job
 * Sidecar container

testing/common.sh

@@ -26,7 +26,7 @@ DEV_TEST=$OPERATOR_DEV_TEST
 # Set OPERATOR_DEV_TEST to skip downloading these dependencies
 if [[ -z "${DEV_TEST}" ]]; then
   ## Make sure to install things if not present already
-  sudo curl -#L "https://dl.k8s.io/release/v1.23.1/bin/$OS/$ARCH/kubectl" -o /usr/local/bin/kubectl
+  sudo curl -#L "https://dl.k8s.io/release/v1.28.12/bin/$OS/$ARCH/kubectl" -o /usr/local/bin/kubectl
   sudo chmod +x /usr/local/bin/kubectl
 
   sudo curl -#L "https://dl.min.io/client/mc/release/${OS}-${ARCH}/mc" -o /usr/local/bin/mc

testing/kind-config-floor.yaml

@@ -3,12 +3,12 @@ kind: Cluster
 apiVersion: kind.x-k8s.io/v1alpha4
 nodes:
   - role: control-plane
-    image: kindest/node:v1.26.14
+    image: kindest/node:v1.28.9
   - role: worker
-    image: kindest/node:v1.26.14
+    image: kindest/node:v1.28.9
   - role: worker
-    image: kindest/node:v1.26.14
+    image: kindest/node:v1.28.9
   - role: worker
-    image: kindest/node:v1.26.14
+    image: kindest/node:v1.28.9
   - role: worker
-    image: kindest/node:v1.26.14
+    image: kindest/node:v1.28.9