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johannesfreyjohannesfrey
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Add tests for existing network
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‎controllers/hetznercluster_controller_test.go

Lines changed: 269 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -25,6 +25,7 @@ import (
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. "github.com/onsi/ginkgo/v2"
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. "github.com/onsi/gomega"
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corev1 "k8s.io/api/core/v1"
28+
apierrors "k8s.io/apimachinery/pkg/api/errors"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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"k8s.io/klog/v2"
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"k8s.io/utils/ptr"
@@ -879,6 +880,274 @@ var _ = Describe("Hetzner ClusterReconciler", func() {
879880
}, timeout).Should(BeTrue())
880881
},
881882
)
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Describe("For an existing Network", func() {
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It("should attach the existing unlabeled Network by ID and not create a new one", func() {
886+
networkName := utils.GenerateName(nil, "network1-")
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network, err := hcloudClient.CreateNetwork(context.Background(), hcloud.NetworkCreateOpts{Name: networkName})
888+
Expect(err).To(Succeed())
889+
defer func() {
890+
err := hcloudClient.DeleteNetwork(context.Background(), network)
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Expect(err).To(Succeed())
892+
}()
893+
networksBeforeClusterCreate, err := hcloudClient.ListNetworks(context.Background(), hcloud.NetworkListOpts{})
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Expect(err).To(Succeed())
895+
896+
hetznerClusterName := utils.GenerateName(nil, "test1-")
897+
898+
capiCluster := &clusterv1.Cluster{
899+
ObjectMeta: metav1.ObjectMeta{
900+
GenerateName: "capi-test1-",
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Namespace: namespace,
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Finalizers: []string{clusterv1.ClusterFinalizer},
903+
},
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Spec: clusterv1.ClusterSpec{
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InfrastructureRef: &corev1.ObjectReference{
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APIVersion: infrav1.GroupVersion.String(),
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Kind: "HetznerCluster",
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Name: hetznerClusterName,
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Namespace: namespace,
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},
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},
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}
913+
Expect(testEnv.Create(ctx, capiCluster)).To(Succeed())
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defer func() {
915+
Expect(testEnv.Cleanup(ctx, capiCluster)).To(Succeed())
916+
}()
917+
918+
instance := &infrav1.HetznerCluster{
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ObjectMeta: metav1.ObjectMeta{
920+
Name: hetznerClusterName,
921+
Namespace: namespace,
922+
OwnerReferences: []metav1.OwnerReference{
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{
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APIVersion: "cluster.x-k8s.io/v1beta1",
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Kind: "Cluster",
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Name: capiCluster.Name,
927+
UID: capiCluster.UID,
928+
},
929+
},
930+
},
931+
Spec: getDefaultHetznerClusterSpec(),
932+
}
933+
// the creation of a HetznerCluster should not lead to the creation of a network when the ID of an
934+
// existing network was given.
935+
instance.Spec.HCloudNetwork.ID = ptr.To(network.ID)
936+
Expect(testEnv.Create(ctx, instance)).To(Succeed())
937+
defer func() {
938+
Expect(testEnv.Cleanup(ctx, instance)).To(Succeed())
939+
}()
940+
941+
key := client.ObjectKey{Namespace: instance.Namespace, Name: instance.Name}
942+
943+
Eventually(func() bool {
944+
if err := testEnv.Get(ctx, key, instance); err != nil {
945+
return false
946+
}
947+
if isPresentAndTrue(key, instance, infrav1.NetworkReadyCondition) && instance.Status.Network != nil {
948+
return true
949+
}
950+
return false
951+
}, timeout).Should(BeTrue())
952+
953+
networksAfterClusterCreate, err := hcloudClient.ListNetworks(ctx, hcloud.NetworkListOpts{})
954+
Expect(err).To(Succeed())
955+
956+
Expect(len(networksAfterClusterCreate)).To(Equal(len(networksBeforeClusterCreate)))
957+
958+
var found bool
959+
for _, n := range networksAfterClusterCreate {
960+
if n.ID == instance.Status.Network.ID {
961+
found = true
962+
break
963+
}
964+
}
965+
Expect(found).To(Equal(true))
966+
})
967+
It("should not delete the existing unlabeled Network when deleting the Cluster", func() {
968+
networkName := utils.GenerateName(nil, "network2-")
969+
network, err := hcloudClient.CreateNetwork(context.Background(), hcloud.NetworkCreateOpts{Name: networkName})
970+
Expect(err).To(Succeed())
971+
defer func() {
972+
err := hcloudClient.DeleteNetwork(context.Background(), network)
973+
Expect(err).To(Succeed())
974+
}()
975+
networksBeforeClusterDelete, err := hcloudClient.ListNetworks(context.Background(), hcloud.NetworkListOpts{})
976+
Expect(err).To(Succeed())
977+
978+
hetznerClusterName := utils.GenerateName(nil, "test1-")
979+
980+
capiCluster := &clusterv1.Cluster{
981+
ObjectMeta: metav1.ObjectMeta{
982+
GenerateName: "capi-test1-",
983+
Namespace: namespace,
984+
Finalizers: []string{clusterv1.ClusterFinalizer},
985+
},
986+
Spec: clusterv1.ClusterSpec{
987+
InfrastructureRef: &corev1.ObjectReference{
988+
APIVersion: infrav1.GroupVersion.String(),
989+
Kind: "HetznerCluster",
990+
Name: hetznerClusterName,
991+
Namespace: namespace,
992+
},
993+
},
994+
}
995+
Expect(testEnv.Create(ctx, capiCluster)).To(Succeed())
996+
997+
instance := &infrav1.HetznerCluster{
998+
ObjectMeta: metav1.ObjectMeta{
999+
Name: hetznerClusterName,
1000+
Namespace: namespace,
1001+
OwnerReferences: []metav1.OwnerReference{
1002+
{
1003+
APIVersion: "cluster.x-k8s.io/v1beta1",
1004+
Kind: "Cluster",
1005+
Name: capiCluster.Name,
1006+
UID: capiCluster.UID,
1007+
},
1008+
},
1009+
},
1010+
Spec: getDefaultHetznerClusterSpec(),
1011+
}
1012+
instance.Spec.HCloudNetwork.ID = ptr.To(network.ID)
1013+
Expect(testEnv.Create(ctx, instance)).To(Succeed())
1014+
1015+
key := client.ObjectKey{Namespace: instance.Namespace, Name: instance.Name}
1016+
1017+
var networkID *int64
1018+
Eventually(func() bool {
1019+
if err := testEnv.Get(ctx, key, instance); err != nil {
1020+
return false
1021+
}
1022+
if isPresentAndTrue(key, instance, infrav1.NetworkReadyCondition) && instance.Status.Network != nil {
1023+
networkID = &instance.Status.Network.ID
1024+
return true
1025+
}
1026+
return false
1027+
}, timeout).Should(BeTrue())
1028+
1029+
Expect(networkID).ToNot(BeNil())
1030+
1031+
// the deletion of a HetznerCluster should not lead to the deletion of an existing network
1032+
// when the network misses the `owned` label.
1033+
Expect(testEnv.Cleanup(ctx, instance, capiCluster)).To(Succeed())
1034+
1035+
Eventually(func() bool {
1036+
if err := testEnv.Get(ctx, client.ObjectKey{Namespace: instance.Namespace, Name: instance.Name}, instance); err != nil && apierrors.IsNotFound(err) {
1037+
return true
1038+
} else if err != nil {
1039+
return false
1040+
}
1041+
return false
1042+
}, timeout).Should(BeTrue())
1043+
1044+
networksAfterClusterDelete, err := hcloudClient.ListNetworks(ctx, hcloud.NetworkListOpts{})
1045+
Expect(err).To(Succeed())
1046+
1047+
Expect(len(networksAfterClusterDelete)).To(Equal(len(networksBeforeClusterDelete)))
1048+
1049+
var found bool
1050+
for _, n := range networksAfterClusterDelete {
1051+
if n.ID == *networkID {
1052+
found = true
1053+
break
1054+
}
1055+
}
1056+
Expect(found).To(Equal(true))
1057+
})
1058+
It(`should delete the existing "owned" labeled Network when deleting the Cluster`, func() {
1059+
hetznerClusterName := utils.GenerateName(nil, "test1-")
1060+
1061+
capiCluster := &clusterv1.Cluster{
1062+
ObjectMeta: metav1.ObjectMeta{
1063+
GenerateName: "capi-test1-",
1064+
Namespace: namespace,
1065+
Finalizers: []string{clusterv1.ClusterFinalizer},
1066+
},
1067+
Spec: clusterv1.ClusterSpec{
1068+
InfrastructureRef: &corev1.ObjectReference{
1069+
APIVersion: infrav1.GroupVersion.String(),
1070+
Kind: "HetznerCluster",
1071+
Name: hetznerClusterName,
1072+
Namespace: namespace,
1073+
},
1074+
},
1075+
}
1076+
Expect(testEnv.Create(ctx, capiCluster)).To(Succeed())
1077+
1078+
instance := &infrav1.HetznerCluster{
1079+
ObjectMeta: metav1.ObjectMeta{
1080+
Name: hetznerClusterName,
1081+
Namespace: namespace,
1082+
OwnerReferences: []metav1.OwnerReference{
1083+
{
1084+
APIVersion: "cluster.x-k8s.io/v1beta1",
1085+
Kind: "Cluster",
1086+
Name: capiCluster.Name,
1087+
UID: capiCluster.UID,
1088+
},
1089+
},
1090+
},
1091+
Spec: getDefaultHetznerClusterSpec(),
1092+
}
1093+
1094+
networkName := utils.GenerateName(nil, "network3-")
1095+
network, err := hcloudClient.CreateNetwork(context.Background(), hcloud.NetworkCreateOpts{
1096+
Name: networkName,
1097+
Labels: map[string]string{instance.ClusterTagKey(): "owned"},
1098+
})
1099+
Expect(err).To(Succeed())
1100+
1101+
networksBeforeClusterDelete, err := hcloudClient.ListNetworks(context.Background(), hcloud.NetworkListOpts{})
1102+
Expect(err).To(Succeed())
1103+
1104+
instance.Spec.HCloudNetwork.ID = ptr.To(network.ID)
1105+
Expect(testEnv.Create(ctx, instance)).To(Succeed())
1106+
1107+
key := client.ObjectKey{Namespace: instance.Namespace, Name: instance.Name}
1108+
1109+
var networkID *int64
1110+
Eventually(func() bool {
1111+
if err := testEnv.Get(ctx, key, instance); err != nil {
1112+
return false
1113+
}
1114+
if isPresentAndTrue(key, instance, infrav1.NetworkReadyCondition) && instance.Status.Network != nil {
1115+
networkID = &instance.Status.Network.ID
1116+
return true
1117+
}
1118+
return false
1119+
}, timeout).Should(BeTrue())
1120+
1121+
Expect(networkID).ToNot(BeNil())
1122+
1123+
// As the network has the `owned` label, the deletion of a HetznerCluster will also lead to the
1124+
// deletion of the network.
1125+
Expect(testEnv.Cleanup(ctx, instance, capiCluster)).To(Succeed())
1126+
1127+
Eventually(func() bool {
1128+
if err := testEnv.Get(ctx, client.ObjectKey{Namespace: instance.Namespace, Name: instance.Name}, instance); err != nil && apierrors.IsNotFound(err) {
1129+
return true
1130+
} else if err != nil {
1131+
return false
1132+
}
1133+
return false
1134+
}, timeout).Should(BeTrue())
1135+
1136+
networksAfterClusterDelete, err := hcloudClient.ListNetworks(ctx, hcloud.NetworkListOpts{})
1137+
Expect(err).To(Succeed())
1138+
1139+
Expect(len(networksAfterClusterDelete)).To(Equal(len(networksBeforeClusterDelete) - 1))
1140+
1141+
var found bool
1142+
for _, n := range networksAfterClusterDelete {
1143+
if n.ID == *networkID {
1144+
found = true
1145+
break
1146+
}
1147+
}
1148+
Expect(found).To(Not(Equal(true)))
1149+
})
1150+
})
8821151
})
8831152
})
8841153
})

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