fix: wggateway controllers pod watch

Author: cheina97

deployments/liqo/templates/_helpers.tpl

@@ -97,6 +97,8 @@ helm.sh/chart: {{ quote (include "liqo.chart" .) }}
 app.kubernetes.io/version: {{ quote (include "liqo.version" .) }}
 app.kubernetes.io/managed-by: {{ quote .Release.Service }}
 networking.liqo.io/component: "gateway"
+networking.liqo.io/gateway-name: "{{"{{ .Name }}"}}"
+networking.liqo.io/gateway-namespace: "{{"{{ .Namespace }}"}}"
 {{- if .isService }}
 networking.liqo.io/active: "true"
 {{- end }}

pkg/liqo-controller-manager/networking/external-network/wireguard/utils.go

@@ -97,6 +97,34 @@ func clusterRoleBindingEnquerer(_ context.Context, obj client.Object) []ctrl.Req
 	}
 }
 
+func podEnquerer(_ context.Context, obj client.Object) []ctrl.Request {
+	pod, ok := obj.(*corev1.Pod)
+	if !ok {
+		return nil
+	}
+
+	if pod.Labels == nil {
+		return nil
+	}
+	gwName, ok := pod.Labels[consts.GatewayNameLabel]
+	if !ok {
+		return nil
+	}
+	gwNs, ok := pod.Labels[consts.GatewayNamespaceLabel]
+	if !ok {
+		return nil
+	}
+
+	return []ctrl.Request{
+		{
+			NamespacedName: types.NamespacedName{
+				Namespace: gwNs,
+				Name:      gwName,
+			},
+		},
+	}
+}
+
 // ensureKeysSecret ensure the presence of the private and public keys for the Wireguard interface and save them inside a Secret resource and Options.
 func ensureKeysSecret(ctx context.Context, cl client.Client, wgObj metav1.Object, mode gateway.Mode) error {
 	var controllerRef metav1.OwnerReference

pkg/liqo-controller-manager/networking/external-network/wireguard/wggatewayclient_controller.go

@@ -208,6 +208,7 @@ func (r *WgGatewayClientReconciler) SetupWithManager(mgr ctrl.Manager) error {
 		For(&networkingv1beta1.WgGatewayClient{}).
 		Owns(&appsv1.Deployment{}).
 		Owns(&corev1.ServiceAccount{}).
+		Watches(&corev1.Pod{}, handler.EnqueueRequestsFromMapFunc(podEnquerer)).
 		Watches(&rbacv1.ClusterRoleBinding{},
 			handler.EnqueueRequestsFromMapFunc(clusterRoleBindingEnquerer)).
 		Watches(&corev1.Secret{},

pkg/liqo-controller-manager/networking/external-network/wireguard/wggatewayserver_controller.go

@@ -224,6 +224,7 @@ func (r *WgGatewayServerReconciler) SetupWithManager(mgr ctrl.Manager) error {
 		Owns(&appsv1.Deployment{}).
 		Owns(&corev1.Service{}).
 		Owns(&corev1.ServiceAccount{}).
+		Watches(&corev1.Pod{}, handler.EnqueueRequestsFromMapFunc(podEnquerer)).
 		Watches(&rbacv1.ClusterRoleBinding{},
 			handler.EnqueueRequestsFromMapFunc(clusterRoleBindingEnquerer)).
 		Watches(&corev1.Secret{},

test/e2e/cruise/network/network_test.go

@@ -44,7 +44,7 @@ import (
 
 const (
 	// clustersRequired is the number of clusters required in this E2E test.
-	clustersRequired = 3
+	clustersRequired = 2
 	// testName is the name of this E2E test.
 	testName = "NETWORK"
 	// StressMax is the maximum number of stress iterations.