Enable topolvm storage solution

.github/workflows/on-demand_ci.yml

@@ -42,7 +42,7 @@ jobs:
           - enable_tests: true
             krew_plugins_list: "virt"
             metallb_enabled: true
-            int_tests: "metallb istio kubevirt knative longhorn"
+            int_tests: "metallb istio kubevirt knative longhorn topolvm"
           - test_multinode: true
             run_conformance_tools: true
           - enable_tests: true

README.md

@@ -61,6 +61,7 @@ different scenarios. There are different setups located in the
 |     ArgoCD     | Declarative GitOps continuous delivery tool     |                            | Implemented |
 |     Tekton     | CI/CD system                                    |                            | Implemented |
 |    Longhorn    | Storage Operator                                |                            |   Tested    |
+|    TopoLVM     | Storage Operator                                |                            |   Tested    |
 
 ## Quick Deployment
 

_chart_installers.sh

@@ -300,3 +300,16 @@ function install_longhorn {
     _add_helm_repo longhorn https://charts.longhorn.io
     KRD_CHART_VALUES="defaultSettings.defaultDataPath=/var/lib/csi-block" _install_chart longhorn longhorn/longhorn
 }
+
+# install_topolvm() - Installs TopoLVM  distributed block storage system
+function install_topolvm {
+    _add_helm_repo topolvm https://topolvm.github.io/topolvm
+    cert_manager_deployed="false"
+    kubectl get deployments cert-manager -n cert-manager >/dev/null && cert_manager_deployed="true"
+    replica_count=$(kubectl get node --selector='!node-role.kubernetes.io/master' -o=jsonpath='{range .items[*]}{.metadata.name}{"\n"}{end}' | wc -l)
+    for class in $(kubectl get storageclasses --no-headers -o custom-columns=name:.metadata.name); do
+        kubectl patch storageclass "$class" -p '{"metadata": {"annotations":{"storageclass.kubernetes.io/is-default-class":"false"}}}'
+    done
+    KRD_CHART_VALUES="lvmd.deviceClasses[0].name=ssd,lvmd.deviceClasses[0].default=true,lvmd.deviceClasses[0].spare-gb=10,lvmd.deviceClasses[0].volume-group=${KRD_TOPOLVM_VOLUME_GROUP_NAME-myvg1},cert-manager.enabled=$cert_manager_deployed,controller.replicaCount=$replica_count" _install_chart topolvm topolvm/topolvm
+    kubectl patch storageclass topolvm-provisioner -p '{"metadata": {"annotations":{"storageclass.kubernetes.io/is-default-class":"true"}}}'
+}

_uninstallers.sh

@@ -166,3 +166,8 @@ function uninstall_kubewarden {
 function uninstall_longhorn {
     _uninstall_helm longhorn
 }
+
+# uninstall_topolvm() - Uninstall TopoLVM services
+function uninstall_topolvm {
+    _uninstall_helm topolvm
+}

tests/resources/topolvm/test.yaml

@@ -0,0 +1,36 @@
+---
+# SPDX-license-identifier: Apache-2.0
+##############################################################################
+# Copyright (c) 2024
+# All rights reserved. This program and the accompanying materials
+# are made available under the terms of the Apache License, Version 2.0
+# which accompanies this distribution, and is available at
+# http://www.apache.org/licenses/LICENSE-2.0
+##############################################################################
+apiVersion: v1
+kind: PersistentVolumeClaim
+metadata:
+  name: pv-claim
+spec:
+  storageClassName: topolvm-provisioner
+  accessModes:
+    - ReadWriteOnce
+  resources:
+    requests:
+      storage: 1Gi
+---
+apiVersion: v1
+kind: Pod
+metadata:
+  name: my-pod
+spec:
+  containers:
+    - name: pause
+      image: registry.k8s.io/pause
+      volumeMounts:
+        - mountPath: /data
+          name: volume
+  volumes:
+    - name: volume
+      persistentVolumeClaim:
+        claimName: pv-claim

tests/topolvm.sh

@@ -0,0 +1,33 @@
+#!/bin/bash
+# SPDX-license-identifier: Apache-2.0
+##############################################################################
+# Copyright (c) 2024
+# All rights reserved. This program and the accompanying materials
+# are made available under the terms of the Apache License, Version 2.0
+# which accompanies this distribution, and is available at
+# http://www.apache.org/licenses/LICENSE-2.0
+##############################################################################
+
+set -o errexit
+set -o nounset
+set -o pipefail
+
+# shellcheck source=tests/_functions.sh
+source _functions.sh
+# shellcheck source=tests/_assertions.sh
+source _assertions.sh
+
+function cleanup {
+    kubectl delete -f resources/topolvm/
+}
+
+trap cleanup EXIT
+
+info "===== Test started ====="
+
+kubectl apply -f resources/topolvm/
+
+kubectl wait --for=jsonpath='{.status.phase}'=Bound pvc/pv-claim
+assert_contains "$(kubectl get pv --no-headers)" 'pv-claim' "Persistent volume claim has not bind properly"
+
+info "===== Test completed ====="