mirror of
https://github.com/kubernetes-sigs/external-dns.git
synced 2025-08-05 17:16:59 +02:00
626 lines
20 KiB
Go
626 lines
20 KiB
Go
/*
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Copyright 2022 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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traefikV1alpha1 "github.com/traefik/traefik/v2/pkg/provider/kubernetes/crd/traefik/v1alpha1"
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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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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 traefikSource is a Source.
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var _ Source = &traefikSource{}
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const defaultTraefikNamespace = "traefik"
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func TestTraefikProxyIngressRouteEndpoints(t *testing.T) {
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t.Parallel()
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for _, ti := range []struct {
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title string
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ingressRoute traefikV1alpha1.IngressRoute
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expected []*endpoint.Endpoint
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}{
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{
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title: "IngressRoute with hostname annotation",
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ingressRoute: traefikV1alpha1.IngressRoute{
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TypeMeta: metav1.TypeMeta{
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APIVersion: traefikV1alpha1.SchemeGroupVersion.String(),
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Kind: "IngressRoute",
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},
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ObjectMeta: metav1.ObjectMeta{
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Name: "ingressroute-annotation",
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Namespace: defaultTraefikNamespace,
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Annotations: map[string]string{
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"external-dns.alpha.kubernetes.io/hostname": "a.example.com",
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"external-dns.alpha.kubernetes.io/target": "target.domain.tld",
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"kubernetes.io/ingress.class": "traefik",
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},
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},
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},
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expected: []*endpoint.Endpoint{
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{
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DNSName: "a.example.com",
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Targets: []string{"target.domain.tld"},
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RecordType: endpoint.RecordTypeCNAME,
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RecordTTL: 0,
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Labels: endpoint.Labels{
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"resource": "ingressroute/traefik/ingressroute-annotation",
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},
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ProviderSpecific: endpoint.ProviderSpecific{},
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},
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},
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},
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{
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title: "IngressRoute with host rule",
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ingressRoute: traefikV1alpha1.IngressRoute{
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TypeMeta: metav1.TypeMeta{
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APIVersion: traefikV1alpha1.SchemeGroupVersion.String(),
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Kind: "IngressRoute",
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},
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ObjectMeta: metav1.ObjectMeta{
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Name: "ingressroute-host-match",
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Namespace: defaultTraefikNamespace,
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Annotations: map[string]string{
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"external-dns.alpha.kubernetes.io/target": "target.domain.tld",
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"kubernetes.io/ingress.class": "traefik",
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},
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},
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Spec: traefikV1alpha1.IngressRouteSpec{
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Routes: []traefikV1alpha1.Route{
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{
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Match: "Host(`b.example.com`)",
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},
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},
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},
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},
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expected: []*endpoint.Endpoint{
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{
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DNSName: "b.example.com",
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Targets: []string{"target.domain.tld"},
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RecordType: endpoint.RecordTypeCNAME,
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RecordTTL: 0,
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Labels: endpoint.Labels{
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"resource": "ingressroute/traefik/ingressroute-host-match",
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},
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ProviderSpecific: endpoint.ProviderSpecific{},
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},
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},
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},
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{
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title: "IngressRoute with hostheader rule",
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ingressRoute: traefikV1alpha1.IngressRoute{
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TypeMeta: metav1.TypeMeta{
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APIVersion: traefikV1alpha1.SchemeGroupVersion.String(),
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Kind: "IngressRoute",
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},
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ObjectMeta: metav1.ObjectMeta{
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Name: "ingressroute-hostheader-match",
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Namespace: defaultTraefikNamespace,
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Annotations: map[string]string{
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"external-dns.alpha.kubernetes.io/target": "target.domain.tld",
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"kubernetes.io/ingress.class": "traefik",
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},
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},
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Spec: traefikV1alpha1.IngressRouteSpec{
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Routes: []traefikV1alpha1.Route{
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{
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Match: "HostHeader(`c.example.com`)",
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},
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},
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},
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},
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expected: []*endpoint.Endpoint{
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{
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DNSName: "c.example.com",
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Targets: []string{"target.domain.tld"},
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RecordType: endpoint.RecordTypeCNAME,
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RecordTTL: 0,
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Labels: endpoint.Labels{
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"resource": "ingressroute/traefik/ingressroute-hostheader-match",
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},
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ProviderSpecific: endpoint.ProviderSpecific{},
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},
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},
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},
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{
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title: "IngressRoute with multiple host rules",
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ingressRoute: traefikV1alpha1.IngressRoute{
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TypeMeta: metav1.TypeMeta{
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APIVersion: traefikV1alpha1.SchemeGroupVersion.String(),
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Kind: "IngressRoute",
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},
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ObjectMeta: metav1.ObjectMeta{
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Name: "ingressroute-multi-host-match",
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Namespace: defaultTraefikNamespace,
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Annotations: map[string]string{
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"external-dns.alpha.kubernetes.io/target": "target.domain.tld",
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"kubernetes.io/ingress.class": "traefik",
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},
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},
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Spec: traefikV1alpha1.IngressRouteSpec{
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Routes: []traefikV1alpha1.Route{
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{
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Match: "Host(`d.example.com`) || Host(`e.example.com`)",
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},
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},
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},
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},
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expected: []*endpoint.Endpoint{
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{
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DNSName: "d.example.com",
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Targets: []string{"target.domain.tld"},
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RecordType: endpoint.RecordTypeCNAME,
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RecordTTL: 0,
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Labels: endpoint.Labels{
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"resource": "ingressroute/traefik/ingressroute-multi-host-match",
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},
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ProviderSpecific: endpoint.ProviderSpecific{},
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},
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{
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DNSName: "e.example.com",
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Targets: []string{"target.domain.tld"},
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RecordType: endpoint.RecordTypeCNAME,
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RecordTTL: 0,
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Labels: endpoint.Labels{
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"resource": "ingressroute/traefik/ingressroute-multi-host-match",
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},
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ProviderSpecific: endpoint.ProviderSpecific{},
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},
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},
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},
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{
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title: "IngressRoute with multiple host rules and annotation",
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ingressRoute: traefikV1alpha1.IngressRoute{
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TypeMeta: metav1.TypeMeta{
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APIVersion: traefikV1alpha1.SchemeGroupVersion.String(),
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Kind: "IngressRoute",
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},
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ObjectMeta: metav1.ObjectMeta{
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Name: "ingressroute-multi-host-annotations-match",
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Namespace: defaultTraefikNamespace,
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Annotations: map[string]string{
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"external-dns.alpha.kubernetes.io/hostname": "f.example.com",
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"external-dns.alpha.kubernetes.io/target": "target.domain.tld",
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"kubernetes.io/ingress.class": "traefik",
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},
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},
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Spec: traefikV1alpha1.IngressRouteSpec{
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Routes: []traefikV1alpha1.Route{
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{
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Match: "Host(`g.example.com`, `h.example.com`)",
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},
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},
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},
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},
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expected: []*endpoint.Endpoint{
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{
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DNSName: "f.example.com",
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Targets: []string{"target.domain.tld"},
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RecordType: endpoint.RecordTypeCNAME,
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RecordTTL: 0,
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Labels: endpoint.Labels{
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"resource": "ingressroute/traefik/ingressroute-multi-host-annotations-match",
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},
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ProviderSpecific: endpoint.ProviderSpecific{},
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},
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{
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DNSName: "g.example.com",
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Targets: []string{"target.domain.tld"},
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RecordType: endpoint.RecordTypeCNAME,
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RecordTTL: 0,
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Labels: endpoint.Labels{
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"resource": "ingressroute/traefik/ingressroute-multi-host-annotations-match",
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},
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ProviderSpecific: endpoint.ProviderSpecific{},
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},
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{
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DNSName: "h.example.com",
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Targets: []string{"target.domain.tld"},
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RecordType: endpoint.RecordTypeCNAME,
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RecordTTL: 0,
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Labels: endpoint.Labels{
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"resource": "ingressroute/traefik/ingressroute-multi-host-annotations-match",
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},
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ProviderSpecific: endpoint.ProviderSpecific{},
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},
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},
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},
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} {
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ti := ti
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t.Run(ti.title, func(t *testing.T) {
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t.Parallel()
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fakeKubernetesClient := fakeKube.NewSimpleClientset()
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scheme := runtime.NewScheme()
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scheme.AddKnownTypes(ingressrouteGVR.GroupVersion(), &traefikV1alpha1.IngressRoute{}, &traefikV1alpha1.IngressRouteList{})
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scheme.AddKnownTypes(ingressrouteTCPGVR.GroupVersion(), &traefikV1alpha1.IngressRouteTCP{}, &traefikV1alpha1.IngressRouteTCPList{})
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scheme.AddKnownTypes(ingressrouteUDPGVR.GroupVersion(), &traefikV1alpha1.IngressRouteUDP{}, &traefikV1alpha1.IngressRouteUDPList{})
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fakeDynamicClient := fakeDynamic.NewSimpleDynamicClient(scheme)
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ir := unstructured.Unstructured{}
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ingressRouteAsJSON, err := json.Marshal(ti.ingressRoute)
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assert.NoError(t, err)
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assert.NoError(t, ir.UnmarshalJSON(ingressRouteAsJSON))
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// Create proxy resources
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_, err = fakeDynamicClient.Resource(ingressrouteGVR).Namespace(defaultTraefikNamespace).Create(context.Background(), &ir, metav1.CreateOptions{})
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assert.NoError(t, err)
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source, err := NewTraefikSource(context.TODO(), fakeDynamicClient, fakeKubernetesClient, defaultTraefikNamespace, "kubernetes.io/ingress.class=traefik")
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assert.NoError(t, err)
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assert.NotNil(t, source)
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count := &unstructured.UnstructuredList{}
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for len(count.Items) < 1 {
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count, _ = fakeDynamicClient.Resource(ingressrouteGVR).Namespace(defaultTraefikNamespace).List(context.Background(), metav1.ListOptions{})
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}
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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, len(ti.expected))
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assert.Equal(t, endpoints, ti.expected)
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})
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}
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}
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func TestTraefikProxyIngressRouteTCPEndpoints(t *testing.T) {
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t.Parallel()
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for _, ti := range []struct {
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title string
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ingressRouteTCP traefikV1alpha1.IngressRouteTCP
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expected []*endpoint.Endpoint
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}{
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{
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title: "IngressRouteTCP with hostname annotation",
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ingressRouteTCP: traefikV1alpha1.IngressRouteTCP{
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TypeMeta: metav1.TypeMeta{
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APIVersion: traefikV1alpha1.SchemeGroupVersion.String(),
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Kind: "IngressRouteTCP",
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},
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ObjectMeta: metav1.ObjectMeta{
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Name: "ingressroutetcp-annotation",
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Namespace: defaultTraefikNamespace,
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Annotations: map[string]string{
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"external-dns.alpha.kubernetes.io/hostname": "a.example.com",
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"external-dns.alpha.kubernetes.io/target": "target.domain.tld",
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"kubernetes.io/ingress.class": "traefik",
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},
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},
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},
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expected: []*endpoint.Endpoint{
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{
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DNSName: "a.example.com",
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Targets: []string{"target.domain.tld"},
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RecordType: endpoint.RecordTypeCNAME,
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RecordTTL: 0,
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Labels: endpoint.Labels{
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"resource": "ingressroutetcp/traefik/ingressroutetcp-annotation",
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},
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ProviderSpecific: endpoint.ProviderSpecific{},
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},
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},
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},
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{
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title: "IngressRouteTCP with host sni rule",
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ingressRouteTCP: traefikV1alpha1.IngressRouteTCP{
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TypeMeta: metav1.TypeMeta{
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APIVersion: traefikV1alpha1.SchemeGroupVersion.String(),
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Kind: "IngressRouteTCP",
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},
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ObjectMeta: metav1.ObjectMeta{
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Name: "ingressroutetcp-hostsni-match",
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Namespace: defaultTraefikNamespace,
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Annotations: map[string]string{
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"external-dns.alpha.kubernetes.io/target": "target.domain.tld",
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"kubernetes.io/ingress.class": "traefik",
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},
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},
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Spec: traefikV1alpha1.IngressRouteTCPSpec{
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Routes: []traefikV1alpha1.RouteTCP{
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{
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Match: "HostSNI(`b.example.com`)",
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},
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},
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},
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},
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expected: []*endpoint.Endpoint{
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{
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DNSName: "b.example.com",
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Targets: []string{"target.domain.tld"},
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RecordType: endpoint.RecordTypeCNAME,
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RecordTTL: 0,
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Labels: endpoint.Labels{
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"resource": "ingressroutetcp/traefik/ingressroutetcp-hostsni-match",
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},
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ProviderSpecific: endpoint.ProviderSpecific{},
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},
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},
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},
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{
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title: "IngressRouteTCP with multiple host sni rules",
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ingressRouteTCP: traefikV1alpha1.IngressRouteTCP{
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TypeMeta: metav1.TypeMeta{
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APIVersion: traefikV1alpha1.SchemeGroupVersion.String(),
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Kind: "IngressRouteTCP",
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},
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ObjectMeta: metav1.ObjectMeta{
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Name: "ingressroutetcp-multi-host-match",
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Namespace: defaultTraefikNamespace,
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Annotations: map[string]string{
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"external-dns.alpha.kubernetes.io/target": "target.domain.tld",
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"kubernetes.io/ingress.class": "traefik",
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},
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},
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Spec: traefikV1alpha1.IngressRouteTCPSpec{
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Routes: []traefikV1alpha1.RouteTCP{
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{
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Match: "HostSNI(`d.example.com`) || HostSNI(`e.example.com`)",
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},
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},
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},
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},
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expected: []*endpoint.Endpoint{
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{
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DNSName: "d.example.com",
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Targets: []string{"target.domain.tld"},
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RecordType: endpoint.RecordTypeCNAME,
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RecordTTL: 0,
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Labels: endpoint.Labels{
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"resource": "ingressroutetcp/traefik/ingressroutetcp-multi-host-match",
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},
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ProviderSpecific: endpoint.ProviderSpecific{},
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},
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{
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DNSName: "e.example.com",
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Targets: []string{"target.domain.tld"},
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RecordType: endpoint.RecordTypeCNAME,
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RecordTTL: 0,
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Labels: endpoint.Labels{
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"resource": "ingressroutetcp/traefik/ingressroutetcp-multi-host-match",
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},
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ProviderSpecific: endpoint.ProviderSpecific{},
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},
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},
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},
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{
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title: "IngressRouteTCP with multiple host sni rules and annotation",
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ingressRouteTCP: traefikV1alpha1.IngressRouteTCP{
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TypeMeta: metav1.TypeMeta{
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APIVersion: traefikV1alpha1.SchemeGroupVersion.String(),
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Kind: "IngressRouteTCP",
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},
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ObjectMeta: metav1.ObjectMeta{
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Name: "ingressroutetcp-multi-host-annotations-match",
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Namespace: defaultTraefikNamespace,
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Annotations: map[string]string{
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"external-dns.alpha.kubernetes.io/hostname": "f.example.com",
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"external-dns.alpha.kubernetes.io/target": "target.domain.tld",
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"kubernetes.io/ingress.class": "traefik",
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},
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},
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Spec: traefikV1alpha1.IngressRouteTCPSpec{
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Routes: []traefikV1alpha1.RouteTCP{
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{
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Match: "HostSNI(`g.example.com`, `h.example.com`)",
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},
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},
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},
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},
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expected: []*endpoint.Endpoint{
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{
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DNSName: "f.example.com",
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Targets: []string{"target.domain.tld"},
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RecordType: endpoint.RecordTypeCNAME,
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RecordTTL: 0,
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Labels: endpoint.Labels{
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"resource": "ingressroutetcp/traefik/ingressroutetcp-multi-host-annotations-match",
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},
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ProviderSpecific: endpoint.ProviderSpecific{},
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},
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{
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DNSName: "g.example.com",
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Targets: []string{"target.domain.tld"},
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RecordType: endpoint.RecordTypeCNAME,
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RecordTTL: 0,
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Labels: endpoint.Labels{
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"resource": "ingressroutetcp/traefik/ingressroutetcp-multi-host-annotations-match",
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},
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ProviderSpecific: endpoint.ProviderSpecific{},
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},
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{
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DNSName: "h.example.com",
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Targets: []string{"target.domain.tld"},
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RecordType: endpoint.RecordTypeCNAME,
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RecordTTL: 0,
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Labels: endpoint.Labels{
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"resource": "ingressroutetcp/traefik/ingressroutetcp-multi-host-annotations-match",
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},
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ProviderSpecific: endpoint.ProviderSpecific{},
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},
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},
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},
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} {
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ti := ti
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t.Run(ti.title, func(t *testing.T) {
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t.Parallel()
|
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|
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fakeKubernetesClient := fakeKube.NewSimpleClientset()
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scheme := runtime.NewScheme()
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scheme.AddKnownTypes(ingressrouteGVR.GroupVersion(), &traefikV1alpha1.IngressRoute{}, &traefikV1alpha1.IngressRouteList{})
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scheme.AddKnownTypes(ingressrouteTCPGVR.GroupVersion(), &traefikV1alpha1.IngressRouteTCP{}, &traefikV1alpha1.IngressRouteTCPList{})
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scheme.AddKnownTypes(ingressrouteUDPGVR.GroupVersion(), &traefikV1alpha1.IngressRouteUDP{}, &traefikV1alpha1.IngressRouteUDPList{})
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fakeDynamicClient := fakeDynamic.NewSimpleDynamicClient(scheme)
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ir := unstructured.Unstructured{}
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ingressRouteAsJSON, err := json.Marshal(ti.ingressRouteTCP)
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assert.NoError(t, err)
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assert.NoError(t, ir.UnmarshalJSON(ingressRouteAsJSON))
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|
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// Create proxy resources
|
|
_, err = fakeDynamicClient.Resource(ingressrouteTCPGVR).Namespace(defaultTraefikNamespace).Create(context.Background(), &ir, metav1.CreateOptions{})
|
|
assert.NoError(t, err)
|
|
|
|
source, err := NewTraefikSource(context.TODO(), fakeDynamicClient, fakeKubernetesClient, defaultTraefikNamespace, "kubernetes.io/ingress.class=traefik")
|
|
assert.NoError(t, err)
|
|
assert.NotNil(t, source)
|
|
|
|
count := &unstructured.UnstructuredList{}
|
|
for len(count.Items) < 1 {
|
|
count, _ = fakeDynamicClient.Resource(ingressrouteTCPGVR).Namespace(defaultTraefikNamespace).List(context.Background(), metav1.ListOptions{})
|
|
}
|
|
|
|
endpoints, err := source.Endpoints(context.Background())
|
|
assert.NoError(t, err)
|
|
assert.Len(t, endpoints, len(ti.expected))
|
|
assert.Equal(t, endpoints, ti.expected)
|
|
})
|
|
}
|
|
}
|
|
|
|
func TestTraefikProxyIngressRouteUDPEndpoints(t *testing.T) {
|
|
t.Parallel()
|
|
|
|
for _, ti := range []struct {
|
|
title string
|
|
ingressRouteUDP traefikV1alpha1.IngressRouteUDP
|
|
expected []*endpoint.Endpoint
|
|
}{
|
|
{
|
|
title: "IngressRouteTCP with hostname annotation",
|
|
ingressRouteUDP: traefikV1alpha1.IngressRouteUDP{
|
|
TypeMeta: metav1.TypeMeta{
|
|
APIVersion: traefikV1alpha1.SchemeGroupVersion.String(),
|
|
Kind: "IngressRouteUDP",
|
|
},
|
|
ObjectMeta: metav1.ObjectMeta{
|
|
Name: "ingressrouteudp-annotation",
|
|
Namespace: defaultTraefikNamespace,
|
|
Annotations: map[string]string{
|
|
"external-dns.alpha.kubernetes.io/hostname": "a.example.com",
|
|
"external-dns.alpha.kubernetes.io/target": "target.domain.tld",
|
|
"kubernetes.io/ingress.class": "traefik",
|
|
},
|
|
},
|
|
},
|
|
expected: []*endpoint.Endpoint{
|
|
{
|
|
DNSName: "a.example.com",
|
|
Targets: []string{"target.domain.tld"},
|
|
RecordType: endpoint.RecordTypeCNAME,
|
|
RecordTTL: 0,
|
|
Labels: endpoint.Labels{
|
|
"resource": "ingressrouteudp/traefik/ingressrouteudp-annotation",
|
|
},
|
|
ProviderSpecific: endpoint.ProviderSpecific{},
|
|
},
|
|
},
|
|
},
|
|
{
|
|
title: "IngressRouteTCP with multiple hostname annotation",
|
|
ingressRouteUDP: traefikV1alpha1.IngressRouteUDP{
|
|
TypeMeta: metav1.TypeMeta{
|
|
APIVersion: traefikV1alpha1.SchemeGroupVersion.String(),
|
|
Kind: "IngressRouteUDP",
|
|
},
|
|
ObjectMeta: metav1.ObjectMeta{
|
|
Name: "ingressrouteudp-multi-annotation",
|
|
Namespace: defaultTraefikNamespace,
|
|
Annotations: map[string]string{
|
|
"external-dns.alpha.kubernetes.io/hostname": "a.example.com, b.example.com",
|
|
"external-dns.alpha.kubernetes.io/target": "target.domain.tld",
|
|
"kubernetes.io/ingress.class": "traefik",
|
|
},
|
|
},
|
|
},
|
|
expected: []*endpoint.Endpoint{
|
|
{
|
|
DNSName: "a.example.com",
|
|
Targets: []string{"target.domain.tld"},
|
|
RecordType: endpoint.RecordTypeCNAME,
|
|
RecordTTL: 0,
|
|
Labels: endpoint.Labels{
|
|
"resource": "ingressrouteudp/traefik/ingressrouteudp-multi-annotation",
|
|
},
|
|
ProviderSpecific: endpoint.ProviderSpecific{},
|
|
},
|
|
{
|
|
DNSName: "b.example.com",
|
|
Targets: []string{"target.domain.tld"},
|
|
RecordType: endpoint.RecordTypeCNAME,
|
|
RecordTTL: 0,
|
|
Labels: endpoint.Labels{
|
|
"resource": "ingressrouteudp/traefik/ingressrouteudp-multi-annotation",
|
|
},
|
|
ProviderSpecific: endpoint.ProviderSpecific{},
|
|
},
|
|
},
|
|
},
|
|
} {
|
|
ti := ti
|
|
t.Run(ti.title, func(t *testing.T) {
|
|
t.Parallel()
|
|
|
|
fakeKubernetesClient := fakeKube.NewSimpleClientset()
|
|
scheme := runtime.NewScheme()
|
|
scheme.AddKnownTypes(ingressrouteGVR.GroupVersion(), &traefikV1alpha1.IngressRoute{}, &traefikV1alpha1.IngressRouteList{})
|
|
scheme.AddKnownTypes(ingressrouteTCPGVR.GroupVersion(), &traefikV1alpha1.IngressRouteTCP{}, &traefikV1alpha1.IngressRouteTCPList{})
|
|
scheme.AddKnownTypes(ingressrouteUDPGVR.GroupVersion(), &traefikV1alpha1.IngressRouteUDP{}, &traefikV1alpha1.IngressRouteUDPList{})
|
|
fakeDynamicClient := fakeDynamic.NewSimpleDynamicClient(scheme)
|
|
|
|
ir := unstructured.Unstructured{}
|
|
|
|
ingressRouteAsJSON, err := json.Marshal(ti.ingressRouteUDP)
|
|
assert.NoError(t, err)
|
|
|
|
assert.NoError(t, ir.UnmarshalJSON(ingressRouteAsJSON))
|
|
|
|
// Create proxy resources
|
|
_, err = fakeDynamicClient.Resource(ingressrouteUDPGVR).Namespace(defaultTraefikNamespace).Create(context.Background(), &ir, metav1.CreateOptions{})
|
|
assert.NoError(t, err)
|
|
|
|
source, err := NewTraefikSource(context.TODO(), fakeDynamicClient, fakeKubernetesClient, defaultTraefikNamespace, "kubernetes.io/ingress.class=traefik")
|
|
assert.NoError(t, err)
|
|
assert.NotNil(t, source)
|
|
|
|
count := &unstructured.UnstructuredList{}
|
|
for len(count.Items) < 1 {
|
|
count, _ = fakeDynamicClient.Resource(ingressrouteUDPGVR).Namespace(defaultTraefikNamespace).List(context.Background(), metav1.ListOptions{})
|
|
}
|
|
|
|
endpoints, err := source.Endpoints(context.Background())
|
|
assert.NoError(t, err)
|
|
assert.Len(t, endpoints, len(ti.expected))
|
|
assert.Equal(t, endpoints, ti.expected)
|
|
})
|
|
}
|
|
}
|