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Merge pull request #6 from jodevsa/tests
add tests
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,164 @@ | ||
| package controllers | ||
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| import ( | ||
| "context" | ||
| "fmt" | ||
| "time" | ||
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| vpnv1alpha1 "github.com/jodevsa/wireguard-operator/api/v1alpha1" | ||
| . "github.com/onsi/ginkgo" | ||
| . "github.com/onsi/gomega" | ||
| corev1 "k8s.io/api/core/v1" | ||
| metav1 "k8s.io/apimachinery/pkg/apis/meta/v1" | ||
| "k8s.io/apimachinery/pkg/types" | ||
| ) | ||
|
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| var _ = Describe("wireguard controller", func() { | ||
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| // Define utility constants for object names and testing timeouts/durations and intervals. | ||
| const ( | ||
| wgName = "vpn" | ||
| wgNamespace = "default" | ||
| Timeout = time.Second * 2 | ||
| Interval = time.Second * 1 | ||
| dnsServiceIp = "10.0.0.42" | ||
| ) | ||
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| Context("Wireguard", func() { | ||
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| It("Should create succesfully", func() { | ||
| // create kube-dns service | ||
| dnsService := &corev1.Service{ | ||
| ObjectMeta: metav1.ObjectMeta{ | ||
| Name: "kube-dns", | ||
| Namespace: "kube-system", | ||
| }, | ||
| Spec: corev1.ServiceSpec{ | ||
| ClusterIP: dnsServiceIp, | ||
| Ports: []corev1.ServicePort{{Name: "dns", Protocol: corev1.ProtocolUDP, Port: 53}}, | ||
| }, | ||
| } | ||
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| Expect(k8sClient.Create(context.Background(), dnsService)).Should(Succeed()) | ||
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| wgKey := types.NamespacedName{ | ||
| Name: wgName, | ||
| Namespace: wgNamespace, | ||
| } | ||
| created := &vpnv1alpha1.Wireguard{ | ||
| ObjectMeta: metav1.ObjectMeta{ | ||
| Name: wgKey.Name, | ||
| Namespace: wgKey.Namespace, | ||
| }, | ||
| } | ||
| expectedLabels := map[string]string{"app": "wireguard", "instance": wgKey.Name} | ||
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| Expect(k8sClient.Create(context.Background(), created)).Should(Succeed()) | ||
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| // service created | ||
| expectedExternalHostName := "test-host-name" | ||
| serviceName := wgKey.Name + "-svc" | ||
| serviceKey := types.NamespacedName{ | ||
| Namespace: wgKey.Namespace, | ||
| Name: serviceName, | ||
| } | ||
|
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| // match labels | ||
| Eventually(func() map[string]string { | ||
| svc := &corev1.Service{} | ||
| k8sClient.Get(context.Background(), serviceKey, svc) | ||
| return svc.Spec.Selector | ||
| }, Timeout, Interval).Should(BeEquivalentTo(expectedLabels)) | ||
|
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| // match service type | ||
| Eventually(func() corev1.ServiceType { | ||
| svc := &corev1.Service{} | ||
| k8sClient.Get(context.Background(), serviceKey, svc) | ||
| return svc.Spec.Type | ||
| }, Timeout, Interval).Should(Equal(corev1.ServiceTypeLoadBalancer)) | ||
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| Eventually(func() vpnv1alpha1.WireguardStatus { | ||
| wg := &vpnv1alpha1.Wireguard{} | ||
| k8sClient.Get(context.Background(), wgKey, wg) | ||
| return wg.Status | ||
| }, Timeout, Interval).Should(Equal(vpnv1alpha1.WireguardStatus{ | ||
| Hostname: "", | ||
| Port: "", | ||
| Status: "pending", | ||
| Message: "Waiting for service to be ready", | ||
| })) | ||
|
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| // update service external hostname | ||
| svc := &corev1.Service{} | ||
| k8sClient.Get(context.Background(), serviceKey, svc) | ||
| svc.Status.LoadBalancer.Ingress = []corev1.LoadBalancerIngress{{Hostname: expectedExternalHostName}} | ||
| Expect(k8sClient.Status().Update(context.Background(), svc)).Should(Succeed()) | ||
|
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| // check that wireguard resource got the right status after the service is ready | ||
| wg := &vpnv1alpha1.Wireguard{} | ||
| Eventually(func() vpnv1alpha1.WireguardStatus { | ||
| Expect(k8sClient.Get(context.Background(), wgKey, wg)).Should(Succeed()) | ||
| return wg.Status | ||
| }, Timeout, Interval).Should(Equal(vpnv1alpha1.WireguardStatus{ | ||
| Hostname: expectedExternalHostName, | ||
| Port: "51820", | ||
| Status: "ready", | ||
| Message: "VPN is active!", | ||
| })) | ||
|
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| // create peer | ||
| peerKey := types.NamespacedName{ | ||
| Name: wgKey.Name + "peer", | ||
| Namespace: wgKey.Namespace, | ||
| } | ||
| peer := &vpnv1alpha1.WireguardPeer{ | ||
| ObjectMeta: metav1.ObjectMeta{ | ||
| Name: peerKey.Name, | ||
| Namespace: peerKey.Namespace, | ||
| }, | ||
| Spec: vpnv1alpha1.WireguardPeerSpec{ | ||
| WireguardRef: wgKey.Name, | ||
| }, | ||
| } | ||
| Expect(k8sClient.Create(context.Background(), peer)).Should(Succeed()) | ||
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| //get peer secret | ||
| wgSecretKeyName := types.NamespacedName{ | ||
| Name: wgKey.Name, | ||
| Namespace: wgKey.Namespace, | ||
| } | ||
| wgSecret := &corev1.Secret{} | ||
| Eventually(func() error { | ||
| return k8sClient.Get(context.Background(), wgSecretKeyName, wgSecret) | ||
| }, Timeout, Interval).Should(Succeed()) | ||
| wgPublicKey := string(wgSecret.Data["publicKey"]) | ||
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| Eventually(func() string { | ||
| Expect(k8sClient.Get(context.Background(), peerKey, peer)).Should(Succeed()) | ||
| return peer.Spec.Address | ||
| }, Timeout, Interval).Should(Equal("10.8.0.2")) | ||
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| Eventually(func() vpnv1alpha1.WireguardPeerStatus { | ||
| Expect(k8sClient.Get(context.Background(), peerKey, peer)).Should(Succeed()) | ||
| return peer.Status | ||
| }, Timeout, Interval).Should(Equal(vpnv1alpha1.WireguardPeerStatus{ | ||
| Config: fmt.Sprintf(` | ||
| echo " | ||
| [Interface] | ||
| PrivateKey = $(kubectl get secret %s-peer --template={{.data.privateKey}} -n default | base64 -d) | ||
| Address = %s | ||
| DNS = %s, %s.svc.cluster.local | ||
| [Peer] | ||
| PublicKey = %s | ||
| AllowedIPs = 0.0.0.0/0 | ||
| Endpoint = %s:%s"`, peerKey.Name, peer.Spec.Address, dnsServiceIp, peer.Namespace, wgPublicKey, expectedExternalHostName, wg.Status.Port), | ||
| Status: "ready", | ||
| Message: "Peer configured", | ||
| })) | ||
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| }) | ||
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| }) | ||
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| }) |