mirror of
https://github.com/kubernetes-sigs/external-dns.git
synced 2025-08-05 17:16:59 +02:00
338 lines
8.3 KiB
Go
338 lines
8.3 KiB
Go
/*
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Copyright 2017 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 exoscale
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import (
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"context"
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"strings"
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"testing"
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"github.com/exoscale/egoscale"
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"github.com/stretchr/testify/assert"
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"sigs.k8s.io/external-dns/endpoint"
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"sigs.k8s.io/external-dns/plan"
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)
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type createRecordExoscale struct {
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name string
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rec egoscale.DNSRecord
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}
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type deleteRecordExoscale struct {
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name string
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recordID int64
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}
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type updateRecordExoscale struct {
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name string
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updateDNSRecord egoscale.UpdateDNSRecord
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}
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var (
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createExoscale []createRecordExoscale
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deleteExoscale []deleteRecordExoscale
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updateExoscale []updateRecordExoscale
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)
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type ExoscaleClientStub struct{}
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func NewExoscaleClientStub() EgoscaleClientI {
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ep := &ExoscaleClientStub{}
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return ep
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}
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func (ep *ExoscaleClientStub) DeleteRecord(ctx context.Context, name string, recordID int64) error {
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deleteExoscale = append(deleteExoscale, deleteRecordExoscale{name: name, recordID: recordID})
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return nil
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}
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func (ep *ExoscaleClientStub) GetRecords(ctx context.Context, name string) ([]egoscale.DNSRecord, error) {
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init := []egoscale.DNSRecord{
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{ID: 0, Name: "v4.barfoo.com", RecordType: "ALIAS"},
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{ID: 1, Name: "v1.foo.com", RecordType: "TXT"},
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{ID: 2, Name: "v2.bar.com", RecordType: "A"},
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{ID: 3, Name: "v3.bar.com", RecordType: "ALIAS"},
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{ID: 4, Name: "v2.foo.com", RecordType: "CNAME"},
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{ID: 5, Name: "v1.foobar.com", RecordType: "TXT"},
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}
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rec := make([]egoscale.DNSRecord, 0)
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for _, r := range init {
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if strings.HasSuffix(r.Name, "."+name) {
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r.Name = strings.TrimSuffix(r.Name, "."+name)
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rec = append(rec, r)
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}
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}
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return rec, nil
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}
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func (ep *ExoscaleClientStub) UpdateRecord(ctx context.Context, name string, rec egoscale.UpdateDNSRecord) (*egoscale.DNSRecord, error) {
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updateExoscale = append(updateExoscale, updateRecordExoscale{name: name, updateDNSRecord: rec})
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return nil, nil
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}
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func (ep *ExoscaleClientStub) CreateRecord(ctx context.Context, name string, rec egoscale.DNSRecord) (*egoscale.DNSRecord, error) {
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createExoscale = append(createExoscale, createRecordExoscale{name: name, rec: rec})
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return nil, nil
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}
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func (ep *ExoscaleClientStub) GetDomains(ctx context.Context) ([]egoscale.DNSDomain, error) {
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dom := []egoscale.DNSDomain{
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{ID: 1, Name: "foo.com"},
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{ID: 2, Name: "bar.com"},
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}
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return dom, nil
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}
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func contains(arr []*endpoint.Endpoint, name string) bool {
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for _, a := range arr {
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if a.DNSName == name {
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return true
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}
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}
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return false
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}
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func TestExoscaleGetRecords(t *testing.T) {
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provider := NewExoscaleProviderWithClient("", "", "", NewExoscaleClientStub(), false)
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if recs, err := provider.Records(context.Background()); err == nil {
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assert.Equal(t, 3, len(recs))
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assert.True(t, contains(recs, "v1.foo.com"))
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assert.True(t, contains(recs, "v2.bar.com"))
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assert.True(t, contains(recs, "v2.foo.com"))
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assert.False(t, contains(recs, "v3.bar.com"))
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assert.False(t, contains(recs, "v1.foobar.com"))
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} else {
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assert.Error(t, err)
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}
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}
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func TestExoscaleApplyChanges(t *testing.T) {
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provider := NewExoscaleProviderWithClient("", "", "", NewExoscaleClientStub(), false)
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plan := &plan.Changes{
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Create: []*endpoint.Endpoint{
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{
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DNSName: "v1.foo.com",
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RecordType: "A",
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Targets: []string{""},
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},
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{
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DNSName: "v1.foobar.com",
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RecordType: "TXT",
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Targets: []string{""},
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},
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},
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Delete: []*endpoint.Endpoint{
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{
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DNSName: "v1.foo.com",
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RecordType: "A",
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Targets: []string{""},
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},
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{
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DNSName: "v1.foobar.com",
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RecordType: "TXT",
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Targets: []string{""},
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},
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},
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UpdateOld: []*endpoint.Endpoint{
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{
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DNSName: "v1.foo.com",
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RecordType: "A",
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Targets: []string{""},
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},
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{
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DNSName: "v1.foobar.com",
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RecordType: "TXT",
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Targets: []string{""},
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},
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},
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UpdateNew: []*endpoint.Endpoint{
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{
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DNSName: "v1.foo.com",
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RecordType: "A",
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Targets: []string{""},
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},
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{
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DNSName: "v1.foobar.com",
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RecordType: "TXT",
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Targets: []string{""},
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},
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},
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}
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createExoscale = make([]createRecordExoscale, 0)
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deleteExoscale = make([]deleteRecordExoscale, 0)
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provider.ApplyChanges(context.Background(), plan)
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assert.Equal(t, 1, len(createExoscale))
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assert.Equal(t, "foo.com", createExoscale[0].name)
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assert.Equal(t, "v1", createExoscale[0].rec.Name)
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assert.Equal(t, 1, len(deleteExoscale))
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assert.Equal(t, "foo.com", deleteExoscale[0].name)
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assert.Equal(t, int64(1), deleteExoscale[0].recordID)
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assert.Equal(t, 1, len(updateExoscale))
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assert.Equal(t, "foo.com", updateExoscale[0].name)
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assert.Equal(t, int64(1), updateExoscale[0].updateDNSRecord.ID)
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}
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func TestExoscaleMerge_NoUpdateOnTTL0Changes(t *testing.T) {
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updateOld := []*endpoint.Endpoint{
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{
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DNSName: "name1",
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Targets: endpoint.Targets{"target1"},
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RecordTTL: endpoint.TTL(1),
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RecordType: endpoint.RecordTypeA,
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},
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{
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DNSName: "name2",
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Targets: endpoint.Targets{"target2"},
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RecordTTL: endpoint.TTL(1),
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RecordType: endpoint.RecordTypeA,
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},
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}
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updateNew := []*endpoint.Endpoint{
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{
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DNSName: "name1",
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Targets: endpoint.Targets{"target1"},
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RecordTTL: endpoint.TTL(0),
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RecordType: endpoint.RecordTypeCNAME,
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},
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{
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DNSName: "name2",
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Targets: endpoint.Targets{"target2"},
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RecordTTL: endpoint.TTL(0),
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RecordType: endpoint.RecordTypeCNAME,
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},
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}
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assert.Equal(t, 0, len(merge(updateOld, updateNew)))
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}
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func TestExoscaleMerge_UpdateOnTTLChanges(t *testing.T) {
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updateOld := []*endpoint.Endpoint{
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{
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DNSName: "name1",
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Targets: endpoint.Targets{"target1"},
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RecordTTL: endpoint.TTL(1),
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RecordType: endpoint.RecordTypeCNAME,
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},
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{
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DNSName: "name2",
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Targets: endpoint.Targets{"target2"},
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RecordTTL: endpoint.TTL(1),
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RecordType: endpoint.RecordTypeCNAME,
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},
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}
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updateNew := []*endpoint.Endpoint{
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{
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DNSName: "name1",
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Targets: endpoint.Targets{"target1"},
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RecordTTL: endpoint.TTL(77),
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RecordType: endpoint.RecordTypeCNAME,
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},
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{
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DNSName: "name2",
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Targets: endpoint.Targets{"target2"},
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RecordTTL: endpoint.TTL(10),
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RecordType: endpoint.RecordTypeCNAME,
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},
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}
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merged := merge(updateOld, updateNew)
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assert.Equal(t, 2, len(merged))
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assert.Equal(t, "name1", merged[0].DNSName)
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}
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func TestExoscaleMerge_AlwaysUpdateTarget(t *testing.T) {
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updateOld := []*endpoint.Endpoint{
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{
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DNSName: "name1",
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Targets: endpoint.Targets{"target1"},
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RecordTTL: endpoint.TTL(1),
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RecordType: endpoint.RecordTypeCNAME,
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},
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{
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DNSName: "name2",
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Targets: endpoint.Targets{"target2"},
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RecordTTL: endpoint.TTL(1),
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RecordType: endpoint.RecordTypeCNAME,
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},
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}
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updateNew := []*endpoint.Endpoint{
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{
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DNSName: "name1",
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Targets: endpoint.Targets{"target1-changed"},
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RecordTTL: endpoint.TTL(0),
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RecordType: endpoint.RecordTypeCNAME,
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},
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{
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DNSName: "name2",
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Targets: endpoint.Targets{"target2"},
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RecordTTL: endpoint.TTL(0),
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RecordType: endpoint.RecordTypeCNAME,
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},
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}
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merged := merge(updateOld, updateNew)
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assert.Equal(t, 1, len(merged))
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assert.Equal(t, "target1-changed", merged[0].Targets[0])
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}
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func TestExoscaleMerge_NoUpdateIfTTLUnchanged(t *testing.T) {
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updateOld := []*endpoint.Endpoint{
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{
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DNSName: "name1",
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Targets: endpoint.Targets{"target1"},
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RecordTTL: endpoint.TTL(55),
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RecordType: endpoint.RecordTypeCNAME,
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},
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{
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DNSName: "name2",
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Targets: endpoint.Targets{"target2"},
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RecordTTL: endpoint.TTL(55),
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RecordType: endpoint.RecordTypeCNAME,
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},
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}
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updateNew := []*endpoint.Endpoint{
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{
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DNSName: "name1",
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Targets: endpoint.Targets{"target1"},
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RecordTTL: endpoint.TTL(55),
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RecordType: endpoint.RecordTypeCNAME,
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},
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{
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DNSName: "name2",
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Targets: endpoint.Targets{"target2"},
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RecordTTL: endpoint.TTL(55),
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RecordType: endpoint.RecordTypeCNAME,
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},
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}
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merged := merge(updateOld, updateNew)
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assert.Equal(t, 0, len(merged))
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}
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