feat: disable openebs-device storage class (#333)

we only want to support one storage class at this stage.

Co-authored-by: Andrew Lavery <[email protected]>

Author: ricardomaraschini

e2e/scripts/single-node-install.sh

@@ -99,6 +99,15 @@ wait_for_nginx_pods() {
     done
 }
 
+check_openebs_storage_class() {
+    scs=$(kubectl get sc --no-headers | wc -l)
+    if [ "$scs" -ne "1" ]; then
+        echo "Expected 1 storage class, found $scs"
+        kubectl get sc
+        return 1
+    fi
+}
+
 ensure_app_not_upgraded() {
     if kubectl get ns | grep -q goldpinger ; then
         echo "found goldpinger ns"
@@ -132,6 +141,10 @@ main() {
         echo "Failed to install embedded-cluster"
         exit 1
     fi
+    if ! check_openebs_storage_class; then
+        echo "Failed to validate if only openebs storage class is present"
+        exit 1
+    fi
     if ! wait_for_nginx_pods; then
         echo "Failed waiting for the application's nginx pods"
         exit 1

pkg/addons/openebs/openebs.go

@@ -31,6 +31,9 @@ var helmValues = map[string]interface{}{
 		"enabled": false,
 	},
 	"localprovisioner": map[string]interface{}{
+		"deviceClass": map[string]interface{}{
+			"enabled": false,
+		},
 		"hostpathClass": map[string]interface{}{
 			"isDefaultClass": true,
 		},