tests: Add support for nodeport ingress for the kbs setup

this can be used on kcli or other systems where cluster nodes are
accessible from all places where the tests are running.

Fixes: #9272

Signed-off-by: Lukáš Doktor <ldoktor@redhat.com>

tests/integration/kubernetes/confidential_kbs.sh

@@ -296,6 +296,11 @@ kbs_k8s_svc_host() {
 	if kubectl get ingress -n "$KBS_NS" 2>/dev/null | grep -q kbs; then
 		kubectl get ingress kbs -n "$KBS_NS" \
 			-o jsonpath='{.spec.rules[0].host}' 2>/dev/null
+	elif kubectl get svc kbs-nodeport -n "$KBS_NS" &>/dev/null; then
+			local host
+			host=$(kubectl get nodes -o jsonpath='{.items[0].status.addresses[?(@.type=="ExternalIP")].address}' -n "$KBS_NS")
+			[ -z "$host"] && host=$(kubectl get nodes -o jsonpath='{.items[0].status.addresses[?(@.type=="InternalIP")].address}' -n "$KBS_NS")
+			echo "$host"
 	else
 		kubectl get svc kbs -n "$KBS_NS" \
 			-o jsonpath='{.spec.clusterIP}' 2>/dev/null
@@ -309,6 +314,8 @@ kbs_k8s_svc_port() {
 	if kubectl get ingress -n "$KBS_NS" 2>/dev/null | grep -q kbs; then
 		# Assume served on default HTTP port 80
 		echo "80"
+	elif kubectl get svc kbs-nodeport -n "$KBS_NS" &>/dev/null; then
+		kubectl get -o jsonpath='{.spec.ports[0].nodePort}' svc kbs-nodeport -n "$KBS_NS"
 	else
 		kubectl get svc kbs -n "$KBS_NS" \
 			-o jsonpath='{.spec.ports[0].port}' 2>/dev/null
@@ -407,4 +414,32 @@ _handle_ingress_aks() {
 
 	kustomize edit add resource ingress.yaml
 	popd
-}
+}
+
+
+# Implements the ingress handler for servernode
+# this is useful on kcli or anywhere where cluster IPs are accessible
+# from the testing machines.
+#
+_handle_ingress_nodeport() {
+	pushd "${COCO_KBS_DIR}/config/kubernetes/overlays"
+
+	cat > nodeport_service.yaml <<EOF
+# Service to expose the KBS on nodes
+apiVersion: v1
+kind: Service
+metadata:
+  name: kbs-nodeport
+  namespace: "$KBS_NS"
+spec:
+  selector:
+    app: kbs
+  ports:
+  - protocol: TCP
+    port: 8080
+    targetPort: 8080
+  type: NodePort
+EOF
+	kustomize edit add resource nodeport_service.yaml
+	popd
+}