Add three more recent Kubernetes versions

Author: mamercad

.circleci/config.yml

@@ -12,6 +12,9 @@ orbs:
 jobs:
   # Spin up minikube K8s cluster and run Helm chart & e2e tests on it
   e2e-minikube:
+    parameters:
+      minikube-version:
+        type: string
     # 'large' 4 vCPUs & 15GB RAM CircleCI machine executor
     # required to deploy heavy 'stackstorm-ha' Helm release with RabbitMQ, MongoDB, Redis clusters and 25+ st2 Pods.
     # https://circleci.com/docs/2.0/configuration-reference/#machine-executor-linux
@@ -24,7 +27,7 @@ jobs:
       - kubernetes/install
       - minikube/minikube-install:
           # https://github.com/kubernetes/minikube/releases
-          version: v1.15.1
+          version: << parameters.minikube-version >>
       - run:
           name: Install dependencies
           command: |
@@ -64,11 +67,23 @@ workflows:
   version: 2
   e2e:
     jobs:
-      - e2e-minikube
+      - e2e-minikube:
+          matrix:
+            parameters:
+              minikube-version: # https://github.com/kubernetes/minikube/releases
+                - v1.22.0
+                - v1.21.0
+                - v1.20.0
   # Run periodic nightly Helm tests to ensure there are no regressions
   e2e-nightly:
     jobs:
-      - e2e-minikube
+      - e2e-minikube:
+          matrix:
+            parameters:
+              minikube-version: # https://github.com/kubernetes/minikube/releases
+                - v1.22.0
+                - v1.21.0
+                - v1.20.0
     triggers:
       - schedule:
           cron: "0 1 * * *"

.github/workflows/e2e.yaml

@@ -26,8 +26,9 @@ jobs:
       matrix:
         # TODO: Document which versions we support and cover them.
         # https://github.com/StackStorm/stackstorm-k8s/issues/342
+        # https://github.com/k3s-io/k3s/releases
         k3s-channel:
-          - "v1.25.4+k3s1"
+          - "v1.26.0+k3s1"
     steps:
       - name: Checkout source
         uses: actions/checkout@v3
@@ -55,7 +56,7 @@ jobs:
       - name: Helm upgrade with RBAC enabled
         run: |
           helm upgrade --set st2.rbac.enabled=true \
-            --timeout 5m0s --debug --wait stackstorm-ha .
+            --timeout 10m0s --debug --wait stackstorm-ha .
 
       - name: Helm test
         run: |

CHANGELOG.md

@@ -1,6 +1,7 @@
 # Changelog
 
 ## In Development
+* Cover the three most recent Kubernetes versions. (#342) (by @mamercad)
 * Update the GitHub badges. (#345) (by @mamercad)
 * Reorganizing and renaming the CI workflows and jobs. (#344) (by @mamercad)
 * Add support for providing `ingressClassName`. (#336) (by @mamercad)

README.md

@@ -13,7 +13,7 @@ RabbitMQ HA, MongoDB HA Replicaset and Redis cluster that st2 replies on for MQ,
 It's more than welcome to fine-tune each component settings to fit specific availability/scalability demands.
 
 ## Requirements
-* [Kubernetes](https://kubernetes.io/docs/setup/pick-right-solution/) cluster
+* [Supported](https://kubernetes.io/releases/) [Kubernetes](https://kubernetes.io/docs/setup/) cluster
 * [Helm](https://docs.helm.sh/using_helm/#install-helm) `v3.5` or greater
 
 ## Usage