mirror of
https://github.com/kubernetes-sigs/external-dns.git
synced 2025-11-04 04:31:00 +01:00
138 lines
3.4 KiB
Go
138 lines
3.4 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 registry
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import (
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"context"
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"testing"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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"sigs.k8s.io/external-dns/endpoint"
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"sigs.k8s.io/external-dns/internal/testutils"
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"sigs.k8s.io/external-dns/plan"
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"sigs.k8s.io/external-dns/provider/inmemory"
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)
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var _ Registry = &NoopRegistry{}
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func TestNoopRegistry(t *testing.T) {
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t.Run("NewNoopRegistry", testNoopInit)
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t.Run("Records", testNoopRecords)
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t.Run("ApplyChanges", testNoopApplyChanges)
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}
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func testNoopInit(t *testing.T) {
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p := inmemory.NewInMemoryProvider()
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r, err := NewNoopRegistry(p)
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require.NoError(t, err)
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assert.Equal(t, p, r.provider)
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}
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func testNoopRecords(t *testing.T) {
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ctx := context.Background()
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p := inmemory.NewInMemoryProvider()
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p.CreateZone("org")
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inmemoryRecords := []*endpoint.Endpoint{
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{
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DNSName: "example.org",
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Targets: endpoint.Targets{"example-lb.com"},
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RecordType: endpoint.RecordTypeCNAME,
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},
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}
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p.ApplyChanges(ctx, &plan.Changes{
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Create: inmemoryRecords,
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})
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r, _ := NewNoopRegistry(p)
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eps, err := r.Records(ctx)
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require.NoError(t, err)
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assert.True(t, testutils.SameEndpoints(eps, inmemoryRecords))
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}
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func testNoopApplyChanges(t *testing.T) {
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// do some prep
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p := inmemory.NewInMemoryProvider()
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p.CreateZone("org")
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inmemoryRecords := []*endpoint.Endpoint{
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{
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DNSName: "example.org",
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Targets: endpoint.Targets{"old-lb.com"},
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RecordType: endpoint.RecordTypeCNAME,
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},
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}
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expectedUpdate := []*endpoint.Endpoint{
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{
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DNSName: "example.org",
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Targets: endpoint.Targets{"new-example-lb.com"},
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RecordType: endpoint.RecordTypeCNAME,
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},
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{
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DNSName: "new-record.org",
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Targets: endpoint.Targets{"new-lb.org"},
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RecordType: endpoint.RecordTypeCNAME,
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},
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}
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ctx := context.Background()
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p.ApplyChanges(ctx, &plan.Changes{
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Create: inmemoryRecords,
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})
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// wrong changes
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r, _ := NewNoopRegistry(p)
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err := r.ApplyChanges(ctx, &plan.Changes{
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Create: []*endpoint.Endpoint{
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{
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DNSName: "example.org",
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Targets: endpoint.Targets{"lb.com"},
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RecordType: endpoint.RecordTypeCNAME,
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},
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},
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})
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assert.EqualError(t, err, inmemory.ErrRecordAlreadyExists.Error())
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// correct changes
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require.NoError(t, r.ApplyChanges(ctx, &plan.Changes{
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Create: []*endpoint.Endpoint{
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{
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DNSName: "new-record.org",
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Targets: endpoint.Targets{"new-lb.org"},
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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: "example.org",
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Targets: endpoint.Targets{"new-example-lb.com"},
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RecordType: endpoint.RecordTypeCNAME,
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},
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},
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UpdateOld: []*endpoint.Endpoint{
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{
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DNSName: "example.org",
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Targets: endpoint.Targets{"old-lb.com"},
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RecordType: endpoint.RecordTypeCNAME,
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},
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},
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}))
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res, _ := p.Records(ctx)
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assert.True(t, testutils.SameEndpoints(res, expectedUpdate))
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}
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