mirror of
https://github.com/kubernetes-sigs/external-dns.git
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2c8b57eea4
* refactor(test): deduplicate endpoint assertion helpers across source and integration tests Signed-off-by: ivan katliarchuk <ivan.katliarchuk@gmail.com> * refactor(test): deduplicate endpoint assertion helpers across source Co-authored-by: Michel Loiseleur <97035654+mloiseleur@users.noreply.github.com> --------- Signed-off-by: ivan katliarchuk <ivan.katliarchuk@gmail.com> Co-authored-by: Michel Loiseleur <97035654+mloiseleur@users.noreply.github.com>
646 lines
18 KiB
Go
646 lines
18 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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"encoding/json"
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"testing"
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"sigs.k8s.io/external-dns/internal/testutils"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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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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"sigs.k8s.io/external-dns/source/annotations"
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f5 "github.com/F5Networks/k8s-bigip-ctlr/v2/config/apis/cis/v1"
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)
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const defaultF5VirtualServerNamespace = "virtualserver"
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func TestF5VirtualServerEndpoints(t *testing.T) {
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t.Parallel()
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tests := []struct {
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name string
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annotationFilter string
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virtualServer f5.VirtualServer
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expected []*endpoint.Endpoint
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}{
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{
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name: "F5 VirtualServer with target annotation",
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annotationFilter: "",
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virtualServer: f5.VirtualServer{
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TypeMeta: metav1.TypeMeta{
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APIVersion: f5VirtualServerGVR.GroupVersion().String(),
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Kind: "VirtualServer",
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},
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ObjectMeta: metav1.ObjectMeta{
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Name: "test-vs",
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Namespace: defaultF5VirtualServerNamespace,
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Annotations: map[string]string{
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annotations.TargetKey: "192.168.1.150",
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},
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},
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Spec: f5.VirtualServerSpec{
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Host: "www.example.com",
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VirtualServerAddress: "192.168.1.100",
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},
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Status: f5.CustomResourceStatus{
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VSAddress: "192.168.1.200",
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Status: "OK",
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},
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},
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expected: []*endpoint.Endpoint{
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{
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DNSName: "www.example.com",
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Targets: []string{"192.168.1.150"},
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RecordType: endpoint.RecordTypeA,
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RecordTTL: 0,
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Labels: endpoint.Labels{
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"resource": "f5-virtualserver/virtualserver/test-vs",
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},
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},
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},
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},
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{
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name: "F5 VirtualServer with host and virtualServerAddress set",
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annotationFilter: "",
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virtualServer: f5.VirtualServer{
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TypeMeta: metav1.TypeMeta{
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APIVersion: f5VirtualServerGVR.GroupVersion().String(),
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Kind: "VirtualServer",
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},
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ObjectMeta: metav1.ObjectMeta{
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Name: "test-vs",
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Namespace: defaultF5VirtualServerNamespace,
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},
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Spec: f5.VirtualServerSpec{
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Host: "www.example.com",
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VirtualServerAddress: "192.168.1.100",
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},
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Status: f5.CustomResourceStatus{
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VSAddress: "192.168.1.200",
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Status: "OK",
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},
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},
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expected: []*endpoint.Endpoint{
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{
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DNSName: "www.example.com",
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Targets: []string{"192.168.1.100"},
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RecordType: endpoint.RecordTypeA,
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RecordTTL: 0,
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Labels: endpoint.Labels{
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"resource": "f5-virtualserver/virtualserver/test-vs",
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},
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},
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},
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},
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{
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name: "F5 VirtualServer with host set and IP address from the status field",
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annotationFilter: "",
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virtualServer: f5.VirtualServer{
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TypeMeta: metav1.TypeMeta{
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APIVersion: f5VirtualServerGVR.GroupVersion().String(),
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Kind: "VirtualServer",
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},
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ObjectMeta: metav1.ObjectMeta{
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Name: "test-vs",
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Namespace: defaultF5VirtualServerNamespace,
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},
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Spec: f5.VirtualServerSpec{
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Host: "www.example.com",
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},
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Status: f5.CustomResourceStatus{
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VSAddress: "192.168.1.100",
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Status: "OK",
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},
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},
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expected: []*endpoint.Endpoint{
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{
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DNSName: "www.example.com",
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Targets: []string{"192.168.1.100"},
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RecordType: endpoint.RecordTypeA,
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RecordTTL: 0,
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Labels: endpoint.Labels{
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"resource": "f5-virtualserver/virtualserver/test-vs",
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},
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},
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},
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},
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{
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name: "F5 VirtualServer with no IP address set",
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annotationFilter: "",
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virtualServer: f5.VirtualServer{
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TypeMeta: metav1.TypeMeta{
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APIVersion: f5VirtualServerGVR.GroupVersion().String(),
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Kind: "VirtualServer",
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},
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ObjectMeta: metav1.ObjectMeta{
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Name: "test-vs",
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Namespace: defaultF5VirtualServerNamespace,
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},
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Spec: f5.VirtualServerSpec{
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Host: "www.example.com",
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},
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Status: f5.CustomResourceStatus{
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VSAddress: "",
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},
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},
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expected: nil,
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},
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{
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name: "F5 VirtualServer with matching annotation filter",
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annotationFilter: "foo=bar",
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virtualServer: f5.VirtualServer{
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TypeMeta: metav1.TypeMeta{
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APIVersion: f5VirtualServerGVR.GroupVersion().String(),
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Kind: "VirtualServer",
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},
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ObjectMeta: metav1.ObjectMeta{
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Name: "test-vs",
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Namespace: defaultF5VirtualServerNamespace,
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Annotations: map[string]string{
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"foo": "bar",
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},
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},
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Spec: f5.VirtualServerSpec{
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Host: "www.example.com",
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VirtualServerAddress: "192.168.1.100",
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},
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Status: f5.CustomResourceStatus{
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VSAddress: "192.168.1.100",
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Status: "OK",
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},
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},
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expected: []*endpoint.Endpoint{
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{
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DNSName: "www.example.com",
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Targets: []string{"192.168.1.100"},
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RecordType: endpoint.RecordTypeA,
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RecordTTL: 0,
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Labels: endpoint.Labels{
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"resource": "f5-virtualserver/virtualserver/test-vs",
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},
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},
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},
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},
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{
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name: "F5 VirtualServer with non-matching annotation filter",
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annotationFilter: "foo=bar",
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virtualServer: f5.VirtualServer{
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TypeMeta: metav1.TypeMeta{
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APIVersion: f5VirtualServerGVR.GroupVersion().String(),
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Kind: "VirtualServer",
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},
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ObjectMeta: metav1.ObjectMeta{
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Name: "test-vs",
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Namespace: defaultF5VirtualServerNamespace,
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Annotations: map[string]string{
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"bar": "foo",
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},
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},
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Spec: f5.VirtualServerSpec{
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Host: "www.example.com",
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VirtualServerAddress: "192.168.1.100",
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},
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Status: f5.CustomResourceStatus{
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VSAddress: "192.168.1.100",
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Status: "OK",
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},
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},
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expected: nil,
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},
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{
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name: "F5 VirtualServer TTL annotation",
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virtualServer: f5.VirtualServer{
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TypeMeta: metav1.TypeMeta{
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APIVersion: f5VirtualServerGVR.GroupVersion().String(),
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Kind: "VirtualServer",
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},
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ObjectMeta: metav1.ObjectMeta{
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Name: "test-vs",
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Namespace: defaultF5VirtualServerNamespace,
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Annotations: map[string]string{
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"external-dns.alpha.kubernetes.io/ttl": "600",
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},
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},
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Spec: f5.VirtualServerSpec{
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Host: "www.example.com",
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VirtualServerAddress: "192.168.1.100",
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},
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Status: f5.CustomResourceStatus{
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VSAddress: "192.168.1.100",
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Status: "OK",
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},
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},
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expected: []*endpoint.Endpoint{
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{
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DNSName: "www.example.com",
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Targets: []string{"192.168.1.100"},
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RecordType: endpoint.RecordTypeA,
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RecordTTL: 600,
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Labels: endpoint.Labels{
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"resource": "f5-virtualserver/virtualserver/test-vs",
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},
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},
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},
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},
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{
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name: "F5 VirtualServer with error status but valid IP",
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virtualServer: f5.VirtualServer{
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TypeMeta: metav1.TypeMeta{
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APIVersion: f5VirtualServerGVR.GroupVersion().String(),
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Kind: "VirtualServer",
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},
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ObjectMeta: metav1.ObjectMeta{
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Name: "test-vs",
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Namespace: defaultF5VirtualServerNamespace,
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Annotations: map[string]string{
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"external-dns.alpha.kubernetes.io/ttl": "600",
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},
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},
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Spec: f5.VirtualServerSpec{
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Host: "www.example.com",
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VirtualServerAddress: "192.168.1.100",
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},
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Status: f5.CustomResourceStatus{
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VSAddress: "192.168.1.100",
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Status: "ERROR",
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Error: "Some error status message",
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},
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},
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expected: []*endpoint.Endpoint{
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{
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DNSName: "www.example.com",
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Targets: []string{"192.168.1.100"},
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RecordType: endpoint.RecordTypeA,
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RecordTTL: 600,
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Labels: endpoint.Labels{
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"resource": "f5-virtualserver/virtualserver/test-vs",
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},
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},
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},
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},
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{
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name: "F5 VirtualServer with missing IP address and OK status",
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virtualServer: f5.VirtualServer{
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TypeMeta: metav1.TypeMeta{
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APIVersion: f5VirtualServerGVR.GroupVersion().String(),
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Kind: "VirtualServer",
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},
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ObjectMeta: metav1.ObjectMeta{
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Name: "test-vs",
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Namespace: defaultF5VirtualServerNamespace,
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Annotations: map[string]string{
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"external-dns.alpha.kubernetes.io/ttl": "600",
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},
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},
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Spec: f5.VirtualServerSpec{
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Host: "www.example.com",
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IPAMLabel: "test",
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},
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Status: f5.CustomResourceStatus{
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VSAddress: "None",
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Status: "OK",
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},
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},
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expected: nil,
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},
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{
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name: "F5 VirtualServer with hostAliases",
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virtualServer: f5.VirtualServer{
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TypeMeta: metav1.TypeMeta{
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APIVersion: f5VirtualServerGVR.GroupVersion().String(),
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Kind: "VirtualServer",
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},
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ObjectMeta: metav1.ObjectMeta{
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Name: "test-vs",
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Namespace: defaultF5VirtualServerNamespace,
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},
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Spec: f5.VirtualServerSpec{
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Host: "www.example.com",
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VirtualServerAddress: "192.168.1.100",
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HostAliases: []string{"alias1.example.com", "alias2.example.com"},
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},
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Status: f5.CustomResourceStatus{
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VSAddress: "192.168.1.100",
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Status: "OK",
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},
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},
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expected: []*endpoint.Endpoint{
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{
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DNSName: "alias1.example.com",
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Targets: []string{"192.168.1.100"},
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RecordType: endpoint.RecordTypeA,
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RecordTTL: 0,
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Labels: endpoint.Labels{
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"resource": "f5-virtualserver/virtualserver/test-vs",
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},
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},
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{
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DNSName: "alias2.example.com",
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Targets: []string{"192.168.1.100"},
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RecordType: endpoint.RecordTypeA,
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RecordTTL: 0,
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Labels: endpoint.Labels{
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"resource": "f5-virtualserver/virtualserver/test-vs",
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},
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},
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{
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DNSName: "www.example.com",
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Targets: []string{"192.168.1.100"},
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RecordType: endpoint.RecordTypeA,
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RecordTTL: 0,
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Labels: endpoint.Labels{
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"resource": "f5-virtualserver/virtualserver/test-vs",
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},
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},
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},
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},
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{
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name: "F5 VirtualServer with hostAliases and target annotation",
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virtualServer: f5.VirtualServer{
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TypeMeta: metav1.TypeMeta{
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APIVersion: f5VirtualServerGVR.GroupVersion().String(),
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Kind: "VirtualServer",
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},
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ObjectMeta: metav1.ObjectMeta{
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Name: "test-vs",
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Namespace: defaultF5VirtualServerNamespace,
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Annotations: map[string]string{
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annotations.TargetKey: "192.168.1.150",
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},
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},
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Spec: f5.VirtualServerSpec{
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Host: "www.example.com",
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VirtualServerAddress: "192.168.1.100",
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HostAliases: []string{"alias1.example.com", "alias2.example.com"},
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},
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Status: f5.CustomResourceStatus{
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VSAddress: "192.168.1.100",
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Status: "OK",
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},
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},
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expected: []*endpoint.Endpoint{
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{
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DNSName: "www.example.com",
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Targets: []string{"192.168.1.150"},
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RecordType: endpoint.RecordTypeA,
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RecordTTL: 0,
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Labels: endpoint.Labels{
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"resource": "f5-virtualserver/virtualserver/test-vs",
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},
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},
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{
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DNSName: "alias1.example.com",
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Targets: []string{"192.168.1.150"},
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RecordType: endpoint.RecordTypeA,
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RecordTTL: 0,
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Labels: endpoint.Labels{
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"resource": "f5-virtualserver/virtualserver/test-vs",
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},
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},
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{
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DNSName: "alias2.example.com",
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Targets: []string{"192.168.1.150"},
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RecordType: endpoint.RecordTypeA,
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RecordTTL: 0,
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Labels: endpoint.Labels{
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"resource": "f5-virtualserver/virtualserver/test-vs",
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},
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},
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},
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},
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{
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name: "F5 VirtualServer with hostAliases and TTL annotation",
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virtualServer: f5.VirtualServer{
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TypeMeta: metav1.TypeMeta{
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APIVersion: f5VirtualServerGVR.GroupVersion().String(),
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Kind: "VirtualServer",
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},
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ObjectMeta: metav1.ObjectMeta{
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Name: "test-vs",
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Namespace: defaultF5VirtualServerNamespace,
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Annotations: map[string]string{
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"external-dns.alpha.kubernetes.io/ttl": "300",
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},
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},
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Spec: f5.VirtualServerSpec{
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Host: "www.example.com",
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VirtualServerAddress: "192.168.1.100",
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HostAliases: []string{"alias1.example.com", "alias2.example.com"},
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},
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Status: f5.CustomResourceStatus{
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VSAddress: "192.168.1.100",
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Status: "OK",
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},
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},
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expected: []*endpoint.Endpoint{
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{
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DNSName: "www.example.com",
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Targets: []string{"192.168.1.100"},
|
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RecordType: endpoint.RecordTypeA,
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RecordTTL: 300,
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Labels: endpoint.Labels{
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"resource": "f5-virtualserver/virtualserver/test-vs",
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},
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},
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{
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DNSName: "alias1.example.com",
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Targets: []string{"192.168.1.100"},
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RecordType: endpoint.RecordTypeA,
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RecordTTL: 300,
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Labels: endpoint.Labels{
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"resource": "f5-virtualserver/virtualserver/test-vs",
|
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},
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},
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{
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DNSName: "alias2.example.com",
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Targets: []string{"192.168.1.100"},
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RecordType: endpoint.RecordTypeA,
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RecordTTL: 300,
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Labels: endpoint.Labels{
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"resource": "f5-virtualserver/virtualserver/test-vs",
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},
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},
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},
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},
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{
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name: "F5 VirtualServer with empty hostAliases",
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virtualServer: f5.VirtualServer{
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TypeMeta: metav1.TypeMeta{
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APIVersion: f5VirtualServerGVR.GroupVersion().String(),
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Kind: "VirtualServer",
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},
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ObjectMeta: metav1.ObjectMeta{
|
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Name: "test-vs",
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Namespace: defaultF5VirtualServerNamespace,
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},
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Spec: f5.VirtualServerSpec{
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Host: "www.example.com",
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VirtualServerAddress: "192.168.1.100",
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HostAliases: []string{},
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},
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Status: f5.CustomResourceStatus{
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VSAddress: "192.168.1.100",
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Status: "OK",
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},
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},
|
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expected: []*endpoint.Endpoint{
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{
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DNSName: "www.example.com",
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Targets: []string{"192.168.1.100"},
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RecordType: endpoint.RecordTypeA,
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RecordTTL: 0,
|
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Labels: endpoint.Labels{
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"resource": "f5-virtualserver/virtualserver/test-vs",
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},
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},
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},
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},
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{
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name: "F5 VirtualServer with hostAliases containing empty strings",
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virtualServer: f5.VirtualServer{
|
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TypeMeta: metav1.TypeMeta{
|
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APIVersion: f5VirtualServerGVR.GroupVersion().String(),
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|
Kind: "VirtualServer",
|
|
},
|
|
ObjectMeta: metav1.ObjectMeta{
|
|
Name: "test-vs",
|
|
Namespace: defaultF5VirtualServerNamespace,
|
|
},
|
|
Spec: f5.VirtualServerSpec{
|
|
Host: "www.example.com",
|
|
VirtualServerAddress: "192.168.1.100",
|
|
HostAliases: []string{"alias1.example.com", "", "alias2.example.com"},
|
|
},
|
|
Status: f5.CustomResourceStatus{
|
|
VSAddress: "192.168.1.100",
|
|
Status: "OK",
|
|
},
|
|
},
|
|
expected: []*endpoint.Endpoint{
|
|
{
|
|
DNSName: "www.example.com",
|
|
Targets: []string{"192.168.1.100"},
|
|
RecordType: endpoint.RecordTypeA,
|
|
RecordTTL: 0,
|
|
Labels: endpoint.Labels{
|
|
"resource": "f5-virtualserver/virtualserver/test-vs",
|
|
},
|
|
},
|
|
{
|
|
DNSName: "alias1.example.com",
|
|
Targets: []string{"192.168.1.100"},
|
|
RecordType: endpoint.RecordTypeA,
|
|
RecordTTL: 0,
|
|
Labels: endpoint.Labels{
|
|
"resource": "f5-virtualserver/virtualserver/test-vs",
|
|
},
|
|
},
|
|
{
|
|
DNSName: "alias2.example.com",
|
|
Targets: []string{"192.168.1.100"},
|
|
RecordType: endpoint.RecordTypeA,
|
|
RecordTTL: 0,
|
|
Labels: endpoint.Labels{
|
|
"resource": "f5-virtualserver/virtualserver/test-vs",
|
|
},
|
|
},
|
|
},
|
|
},
|
|
{
|
|
name: "F5 VirtualServer does not support provider-specific annotations",
|
|
virtualServer: f5.VirtualServer{
|
|
TypeMeta: metav1.TypeMeta{
|
|
APIVersion: f5VirtualServerGVR.GroupVersion().String(),
|
|
Kind: "VirtualServer",
|
|
},
|
|
ObjectMeta: metav1.ObjectMeta{
|
|
Name: "test-vs",
|
|
Namespace: defaultF5VirtualServerNamespace,
|
|
Annotations: map[string]string{
|
|
annotations.AWSPrefix + "weight": "10",
|
|
},
|
|
},
|
|
Spec: f5.VirtualServerSpec{
|
|
Host: "www.example.com",
|
|
VirtualServerAddress: "192.168.1.100",
|
|
},
|
|
Status: f5.CustomResourceStatus{
|
|
VSAddress: "192.168.1.100",
|
|
Status: "OK",
|
|
},
|
|
},
|
|
expected: []*endpoint.Endpoint{
|
|
{
|
|
DNSName: "www.example.com",
|
|
Targets: []string{"192.168.1.100"},
|
|
RecordType: endpoint.RecordTypeA,
|
|
RecordTTL: 0,
|
|
Labels: endpoint.Labels{
|
|
"resource": "f5-virtualserver/virtualserver/test-vs",
|
|
},
|
|
},
|
|
},
|
|
},
|
|
}
|
|
|
|
for _, tc := range tests {
|
|
t.Run(tc.name, func(t *testing.T) {
|
|
fakeKubernetesClient := fakeKube.NewClientset()
|
|
scheme := runtime.NewScheme()
|
|
scheme.AddKnownTypes(f5VirtualServerGVR.GroupVersion(), &f5.VirtualServer{}, &f5.VirtualServerList{})
|
|
fakeDynamicClient := fakeDynamic.NewSimpleDynamicClient(scheme)
|
|
|
|
virtualServer := unstructured.Unstructured{}
|
|
|
|
virtualServerJSON, err := json.Marshal(tc.virtualServer)
|
|
require.NoError(t, err)
|
|
assert.NoError(t, virtualServer.UnmarshalJSON(virtualServerJSON))
|
|
|
|
// Create VirtualServer resources
|
|
_, err = fakeDynamicClient.Resource(f5VirtualServerGVR).Namespace(defaultF5VirtualServerNamespace).Create(t.Context(), &virtualServer, metav1.CreateOptions{})
|
|
assert.NoError(t, err)
|
|
|
|
source, err := NewF5VirtualServerSource(t.Context(), fakeDynamicClient, fakeKubernetesClient,
|
|
&Config{
|
|
Namespace: defaultF5VirtualServerNamespace,
|
|
AnnotationFilter: tc.annotationFilter,
|
|
})
|
|
require.NoError(t, err)
|
|
assert.NotNil(t, source)
|
|
|
|
count := &unstructured.UnstructuredList{}
|
|
for len(count.Items) < 1 {
|
|
count, _ = fakeDynamicClient.Resource(f5VirtualServerGVR).Namespace(defaultF5VirtualServerNamespace).List(t.Context(), metav1.ListOptions{})
|
|
}
|
|
|
|
endpoints, err := source.Endpoints(t.Context())
|
|
require.NoError(t, err)
|
|
assert.Len(t, endpoints, len(tc.expected))
|
|
testutils.ValidateEndpoints(t, endpoints, tc.expected)
|
|
})
|
|
}
|
|
}
|