mirror of
https://github.com/kubernetes-sigs/external-dns.git
synced 2025-10-30 02:01:03 +01:00
327 lines
11 KiB
Go
327 lines
11 KiB
Go
/*
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Copyright 2020n The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package source
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import (
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"context"
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"encoding/json"
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"testing"
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"github.com/stretchr/testify/assert"
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corev1 "k8s.io/api/core/v1"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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"k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
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"k8s.io/apimachinery/pkg/runtime"
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"k8s.io/apimachinery/pkg/runtime/schema"
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fakeDynamic "k8s.io/client-go/dynamic/fake"
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fakeKube "k8s.io/client-go/kubernetes/fake"
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"sigs.k8s.io/external-dns/endpoint"
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)
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// This is a compile-time validation that glooSource is a Source.
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var _ Source = &glooSource{}
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const defaultGlooNamespace = "gloo-system"
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// Internal proxy test
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var internalProxy = proxy{
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TypeMeta: metav1.TypeMeta{
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APIVersion: proxyGVR.GroupVersion().String(),
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Kind: "Proxy",
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},
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Metadata: metav1.ObjectMeta{
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Name: "internal",
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Namespace: defaultGlooNamespace,
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},
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Spec: proxySpec{
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Listeners: []proxySpecListener{
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{
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HTTPListener: proxySpecHTTPListener{
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VirtualHosts: []proxyVirtualHost{
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{
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Domains: []string{"a.test", "b.test"},
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Metadata: proxyVirtualHostMetadata{
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Source: []proxyVirtualHostMetadataSource{
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{
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Kind: "*v1.Unknown",
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Name: "my-unknown-svc",
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Namespace: "unknown",
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},
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},
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},
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},
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{
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Domains: []string{"c.test"},
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Metadata: proxyVirtualHostMetadata{
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Source: []proxyVirtualHostMetadataSource{
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{
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Kind: "*v1.VirtualService",
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Name: "my-internal-svc",
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Namespace: "internal",
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},
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},
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},
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},
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},
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},
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},
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},
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},
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}
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var internalProxySvc = corev1.Service{
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ObjectMeta: metav1.ObjectMeta{
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Name: internalProxy.Metadata.Name,
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Namespace: internalProxy.Metadata.Namespace,
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},
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Spec: corev1.ServiceSpec{
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Type: corev1.ServiceTypeLoadBalancer,
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},
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Status: corev1.ServiceStatus{
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LoadBalancer: corev1.LoadBalancerStatus{
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Ingress: []corev1.LoadBalancerIngress{
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corev1.LoadBalancerIngress{
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IP: "203.0.113.1",
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},
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corev1.LoadBalancerIngress{
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IP: "203.0.113.2",
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},
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corev1.LoadBalancerIngress{
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IP: "203.0.113.3",
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},
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},
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},
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},
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}
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var internalProxySource = metav1.PartialObjectMetadata{
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TypeMeta: metav1.TypeMeta{
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APIVersion: virtualServiceGVR.GroupVersion().String(),
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Kind: "VirtualService",
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},
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ObjectMeta: metav1.ObjectMeta{
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Name: internalProxy.Spec.Listeners[0].HTTPListener.VirtualHosts[1].Metadata.Source[0].Name,
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Namespace: internalProxy.Spec.Listeners[0].HTTPListener.VirtualHosts[1].Metadata.Source[0].Namespace,
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Annotations: map[string]string{
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"external-dns.alpha.kubernetes.io/ttl": "42",
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"external-dns.alpha.kubernetes.io/aws-geolocation-country-code": "LU",
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"external-dns.alpha.kubernetes.io/set-identifier": "identifier",
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},
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},
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}
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// External proxy test
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var externalProxy = proxy{
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TypeMeta: metav1.TypeMeta{
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APIVersion: proxyGVR.GroupVersion().String(),
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Kind: "Proxy",
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},
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Metadata: metav1.ObjectMeta{
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Name: "external",
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Namespace: defaultGlooNamespace,
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},
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Spec: proxySpec{
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Listeners: []proxySpecListener{
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{
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HTTPListener: proxySpecHTTPListener{
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VirtualHosts: []proxyVirtualHost{
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{
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Domains: []string{"d.test"},
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Metadata: proxyVirtualHostMetadata{
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Source: []proxyVirtualHostMetadataSource{
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{
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Kind: "*v1.Unknown",
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Name: "my-unknown-svc",
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Namespace: "unknown",
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},
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},
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},
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},
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{
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Domains: []string{"e.test"},
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Metadata: proxyVirtualHostMetadata{
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Source: []proxyVirtualHostMetadataSource{
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{
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Kind: "*v1.VirtualService",
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Name: "my-external-svc",
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Namespace: "external",
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},
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},
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},
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},
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},
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},
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},
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},
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},
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}
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var externalProxySvc = corev1.Service{
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ObjectMeta: metav1.ObjectMeta{
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Name: externalProxy.Metadata.Name,
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Namespace: externalProxy.Metadata.Namespace,
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},
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Spec: corev1.ServiceSpec{
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Type: corev1.ServiceTypeLoadBalancer,
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},
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Status: corev1.ServiceStatus{
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LoadBalancer: corev1.LoadBalancerStatus{
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Ingress: []corev1.LoadBalancerIngress{
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corev1.LoadBalancerIngress{
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Hostname: "a.example.org",
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},
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corev1.LoadBalancerIngress{
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Hostname: "b.example.org",
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},
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corev1.LoadBalancerIngress{
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Hostname: "c.example.org",
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},
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},
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},
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},
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}
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var externalProxySource = metav1.PartialObjectMetadata{
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TypeMeta: metav1.TypeMeta{
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APIVersion: virtualServiceGVR.GroupVersion().String(),
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Kind: "VirtualService",
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},
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ObjectMeta: metav1.ObjectMeta{
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Name: externalProxy.Spec.Listeners[0].HTTPListener.VirtualHosts[1].Metadata.Source[0].Name,
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Namespace: externalProxy.Spec.Listeners[0].HTTPListener.VirtualHosts[1].Metadata.Source[0].Namespace,
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Annotations: map[string]string{
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"external-dns.alpha.kubernetes.io/ttl": "24",
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"external-dns.alpha.kubernetes.io/aws-geolocation-country-code": "JP",
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"external-dns.alpha.kubernetes.io/set-identifier": "identifier-external",
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},
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},
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}
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func TestGlooSource(t *testing.T) {
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t.Parallel()
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fakeKubernetesClient := fakeKube.NewSimpleClientset()
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fakeDynamicClient := fakeDynamic.NewSimpleDynamicClientWithCustomListKinds(runtime.NewScheme(),
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map[schema.GroupVersionResource]string{
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proxyGVR: "ProxyList",
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})
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source, err := NewGlooSource(fakeDynamicClient, fakeKubernetesClient, defaultGlooNamespace)
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assert.NoError(t, err)
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assert.NotNil(t, source)
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internalProxyUnstructured := unstructured.Unstructured{}
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externalProxyUnstructured := unstructured.Unstructured{}
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internalProxySourceUnstructured := unstructured.Unstructured{}
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externalProxySourceUnstructured := unstructured.Unstructured{}
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internalProxyAsJSON, err := json.Marshal(internalProxy)
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assert.NoError(t, err)
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externalProxyAsJSON, err := json.Marshal(externalProxy)
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assert.NoError(t, err)
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internalProxySvcAsJSON, err := json.Marshal(internalProxySource)
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assert.NoError(t, err)
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externalProxySvcAsJSON, err := json.Marshal(externalProxySource)
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assert.NoError(t, err)
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assert.NoError(t, internalProxyUnstructured.UnmarshalJSON(internalProxyAsJSON))
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assert.NoError(t, externalProxyUnstructured.UnmarshalJSON(externalProxyAsJSON))
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assert.NoError(t, internalProxySourceUnstructured.UnmarshalJSON(internalProxySvcAsJSON))
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assert.NoError(t, externalProxySourceUnstructured.UnmarshalJSON(externalProxySvcAsJSON))
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// Create proxy resources
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_, err = fakeDynamicClient.Resource(proxyGVR).Namespace(defaultGlooNamespace).Create(context.Background(), &internalProxyUnstructured, metav1.CreateOptions{})
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assert.NoError(t, err)
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_, err = fakeDynamicClient.Resource(proxyGVR).Namespace(defaultGlooNamespace).Create(context.Background(), &externalProxyUnstructured, metav1.CreateOptions{})
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assert.NoError(t, err)
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// Create proxy source
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_, err = fakeDynamicClient.Resource(virtualServiceGVR).Namespace(internalProxySource.Namespace).Create(context.Background(), &internalProxySourceUnstructured, metav1.CreateOptions{})
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assert.NoError(t, err)
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_, err = fakeDynamicClient.Resource(virtualServiceGVR).Namespace(externalProxySource.Namespace).Create(context.Background(), &externalProxySourceUnstructured, metav1.CreateOptions{})
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assert.NoError(t, err)
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// Create proxy service resources
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_, err = fakeKubernetesClient.CoreV1().Services(internalProxySvc.GetNamespace()).Create(context.Background(), &internalProxySvc, metav1.CreateOptions{})
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assert.NoError(t, err)
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_, err = fakeKubernetesClient.CoreV1().Services(externalProxySvc.GetNamespace()).Create(context.Background(), &externalProxySvc, metav1.CreateOptions{})
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assert.NoError(t, err)
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endpoints, err := source.Endpoints(context.Background())
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assert.NoError(t, err)
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assert.Len(t, endpoints, 5)
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assert.ElementsMatch(t, endpoints, []*endpoint.Endpoint{
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&endpoint.Endpoint{
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DNSName: "a.test",
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Targets: []string{internalProxySvc.Status.LoadBalancer.Ingress[0].IP, internalProxySvc.Status.LoadBalancer.Ingress[1].IP, internalProxySvc.Status.LoadBalancer.Ingress[2].IP},
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RecordType: endpoint.RecordTypeA,
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RecordTTL: 0,
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Labels: endpoint.Labels{},
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ProviderSpecific: endpoint.ProviderSpecific{},
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},
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&endpoint.Endpoint{
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DNSName: "b.test",
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Targets: []string{internalProxySvc.Status.LoadBalancer.Ingress[0].IP, internalProxySvc.Status.LoadBalancer.Ingress[1].IP, internalProxySvc.Status.LoadBalancer.Ingress[2].IP},
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RecordType: endpoint.RecordTypeA,
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RecordTTL: 0,
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Labels: endpoint.Labels{},
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ProviderSpecific: endpoint.ProviderSpecific{},
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},
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&endpoint.Endpoint{
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DNSName: "c.test",
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Targets: []string{internalProxySvc.Status.LoadBalancer.Ingress[0].IP, internalProxySvc.Status.LoadBalancer.Ingress[1].IP, internalProxySvc.Status.LoadBalancer.Ingress[2].IP},
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RecordType: endpoint.RecordTypeA,
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SetIdentifier: "identifier",
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RecordTTL: 42,
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Labels: endpoint.Labels{},
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ProviderSpecific: endpoint.ProviderSpecific{
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endpoint.ProviderSpecificProperty{
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Name: "aws/geolocation-country-code",
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Value: "LU",
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},
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},
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},
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&endpoint.Endpoint{
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DNSName: "d.test",
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Targets: []string{externalProxySvc.Status.LoadBalancer.Ingress[0].Hostname, externalProxySvc.Status.LoadBalancer.Ingress[1].Hostname, externalProxySvc.Status.LoadBalancer.Ingress[2].Hostname},
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RecordType: endpoint.RecordTypeCNAME,
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RecordTTL: 0,
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Labels: endpoint.Labels{},
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ProviderSpecific: endpoint.ProviderSpecific{},
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},
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&endpoint.Endpoint{
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DNSName: "e.test",
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Targets: []string{externalProxySvc.Status.LoadBalancer.Ingress[0].Hostname, externalProxySvc.Status.LoadBalancer.Ingress[1].Hostname, externalProxySvc.Status.LoadBalancer.Ingress[2].Hostname},
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RecordType: endpoint.RecordTypeCNAME,
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SetIdentifier: "identifier-external",
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RecordTTL: 24,
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Labels: endpoint.Labels{},
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ProviderSpecific: endpoint.ProviderSpecific{
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endpoint.ProviderSpecificProperty{
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Name: "aws/geolocation-country-code",
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Value: "JP",
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},
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},
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},
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})
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}
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