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dynamodb_test.go
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/*
Copyright 2023 The Kubernetes Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package registry
import (
"context"
"strings"
"testing"
"time"
"github.com/aws/aws-sdk-go/aws"
"github.com/aws/aws-sdk-go/aws/request"
"github.com/aws/aws-sdk-go/service/dynamodb"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
"k8s.io/apimachinery/pkg/util/sets"
"sigs.k8s.io/external-dns/endpoint"
"sigs.k8s.io/external-dns/internal/testutils"
"sigs.k8s.io/external-dns/plan"
"sigs.k8s.io/external-dns/provider"
"sigs.k8s.io/external-dns/provider/inmemory"
)
func TestDynamoDBRegistryNew(t *testing.T) {
api, p := newDynamoDBAPIStub(t, nil)
_, err := NewDynamoDBRegistry(p, "test-owner", api, "test-table", "", "", "", []string{}, []string{}, []byte(""), time.Hour)
require.NoError(t, err)
_, err = NewDynamoDBRegistry(p, "test-owner", api, "test-table", "testPrefix", "", "", []string{}, []string{}, []byte(""), time.Hour)
require.NoError(t, err)
_, err = NewDynamoDBRegistry(p, "test-owner", api, "test-table", "", "testSuffix", "", []string{}, []string{}, []byte(""), time.Hour)
require.NoError(t, err)
_, err = NewDynamoDBRegistry(p, "test-owner", api, "test-table", "", "", "testWildcard", []string{}, []string{}, []byte(""), time.Hour)
require.NoError(t, err)
_, err = NewDynamoDBRegistry(p, "test-owner", api, "test-table", "", "", "testWildcard", []string{}, []string{}, []byte(";k&l)nUC/33:{?d{3)54+,AD?]SX%yh^"), time.Hour)
require.NoError(t, err)
_, err = NewDynamoDBRegistry(p, "", api, "test-table", "", "", "", []string{}, []string{}, []byte(""), time.Hour)
require.EqualError(t, err, "owner id cannot be empty")
_, err = NewDynamoDBRegistry(p, "test-owner", api, "", "", "", "", []string{}, []string{}, []byte(""), time.Hour)
require.EqualError(t, err, "table cannot be empty")
_, err = NewDynamoDBRegistry(p, "test-owner", api, "test-table", "", "", "", []string{}, []string{}, []byte(";k&l)nUC/33:{?d{3)54+,AD?]SX%yh^x"), time.Hour)
require.EqualError(t, err, "the AES Encryption key must have a length of 32 bytes")
_, err = NewDynamoDBRegistry(p, "test-owner", api, "test-table", "testPrefix", "testSuffix", "", []string{}, []string{}, []byte(""), time.Hour)
require.EqualError(t, err, "txt-prefix and txt-suffix are mutually exclusive")
}
func TestDynamoDBRegistryRecordsBadTable(t *testing.T) {
for _, tc := range []struct {
name string
setup func(desc *dynamodb.TableDescription)
expected string
}{
{
name: "missing attribute k",
setup: func(desc *dynamodb.TableDescription) {
desc.AttributeDefinitions[0].AttributeName = aws.String("wrong")
},
expected: "table \"test-table\" must have attribute \"k\" of type \"S\"",
},
{
name: "wrong attribute type",
setup: func(desc *dynamodb.TableDescription) {
desc.AttributeDefinitions[0].AttributeType = aws.String("SS")
},
expected: "table \"test-table\" attribute \"k\" must have type \"S\"",
},
{
name: "wrong key",
setup: func(desc *dynamodb.TableDescription) {
desc.KeySchema[0].AttributeName = aws.String("wrong")
},
expected: "table \"test-table\" must have hash key \"k\"",
},
{
name: "has range key",
setup: func(desc *dynamodb.TableDescription) {
desc.AttributeDefinitions = append(desc.AttributeDefinitions, &dynamodb.AttributeDefinition{
AttributeName: aws.String("o"),
AttributeType: aws.String("S"),
})
desc.KeySchema = append(desc.KeySchema, &dynamodb.KeySchemaElement{
AttributeName: aws.String("o"),
KeyType: aws.String("RANGE"),
})
},
expected: "table \"test-table\" must not have a range key",
},
} {
t.Run(tc.name, func(t *testing.T) {
api, p := newDynamoDBAPIStub(t, nil)
tc.setup(&api.tableDescription)
r, _ := NewDynamoDBRegistry(p, "test-owner", api, "test-table", "", "", "", []string{}, []string{}, nil, time.Hour)
_, err := r.Records(context.Background())
assert.EqualError(t, err, tc.expected)
})
}
}
func TestDynamoDBRegistryRecords(t *testing.T) {
api, p := newDynamoDBAPIStub(t, nil)
ctx := context.Background()
expectedRecords := []*endpoint.Endpoint{
{
DNSName: "foo.test-zone.example.org",
Targets: endpoint.Targets{"foo.loadbalancer.com"},
RecordType: endpoint.RecordTypeCNAME,
Labels: map[string]string{
endpoint.OwnerLabelKey: "",
},
},
{
DNSName: "bar.test-zone.example.org",
Targets: endpoint.Targets{"my-domain.com"},
RecordType: endpoint.RecordTypeCNAME,
Labels: map[string]string{
endpoint.OwnerLabelKey: "test-owner",
endpoint.ResourceLabelKey: "ingress/default/my-ingress",
},
},
{
DNSName: "baz.test-zone.example.org",
Targets: endpoint.Targets{"1.1.1.1"},
RecordType: endpoint.RecordTypeA,
SetIdentifier: "set-1",
Labels: map[string]string{
endpoint.OwnerLabelKey: "test-owner",
endpoint.ResourceLabelKey: "ingress/default/my-ingress",
},
},
{
DNSName: "baz.test-zone.example.org",
Targets: endpoint.Targets{"2.2.2.2"},
RecordType: endpoint.RecordTypeA,
SetIdentifier: "set-2",
Labels: map[string]string{
endpoint.OwnerLabelKey: "test-owner",
endpoint.ResourceLabelKey: "ingress/default/other-ingress",
},
},
{
DNSName: "migrate.test-zone.example.org",
Targets: endpoint.Targets{"3.3.3.3"},
RecordType: endpoint.RecordTypeA,
SetIdentifier: "set-3",
Labels: map[string]string{
endpoint.OwnerLabelKey: "test-owner",
endpoint.ResourceLabelKey: "ingress/default/other-ingress",
},
ProviderSpecific: endpoint.ProviderSpecific{
{
Name: dynamodbAttributeMigrate,
Value: "true",
},
},
},
{
DNSName: "txt.orphaned.test-zone.example.org",
Targets: endpoint.Targets{"\"heritage=external-dns,external-dns/owner=test-owner,external-dns/resource=ingress/default/other-ingress\""},
RecordType: endpoint.RecordTypeTXT,
SetIdentifier: "set-3",
Labels: map[string]string{
endpoint.OwnerLabelKey: "test-owner",
},
},
{
DNSName: "txt.baz.test-zone.example.org",
Targets: endpoint.Targets{"\"heritage=external-dns,external-dns/owner=test-owner,external-dns/resource=ingress/default/other-ingress\""},
RecordType: endpoint.RecordTypeTXT,
SetIdentifier: "set-2",
Labels: map[string]string{
endpoint.OwnerLabelKey: "test-owner",
},
},
}
r, _ := NewDynamoDBRegistry(p, "test-owner", api, "test-table", "txt.", "", "", []string{}, []string{}, nil, time.Hour)
_ = p.(*wrappedProvider).Provider.ApplyChanges(context.Background(), &plan.Changes{
Create: []*endpoint.Endpoint{
endpoint.NewEndpoint("migrate.test-zone.example.org", endpoint.RecordTypeA, "3.3.3.3").WithSetIdentifier("set-3"),
endpoint.NewEndpoint("txt.migrate.test-zone.example.org", endpoint.RecordTypeTXT, "\"heritage=external-dns,external-dns/owner=test-owner,external-dns/resource=ingress/default/other-ingress\"").WithSetIdentifier("set-3"),
endpoint.NewEndpoint("txt.orphaned.test-zone.example.org", endpoint.RecordTypeTXT, "\"heritage=external-dns,external-dns/owner=test-owner,external-dns/resource=ingress/default/other-ingress\"").WithSetIdentifier("set-3"),
endpoint.NewEndpoint("txt.baz.test-zone.example.org", endpoint.RecordTypeTXT, "\"heritage=external-dns,external-dns/owner=test-owner,external-dns/resource=ingress/default/other-ingress\"").WithSetIdentifier("set-2"),
},
})
records, err := r.Records(ctx)
require.Nil(t, err)
assert.True(t, testutils.SameEndpoints(records, expectedRecords))
}
func TestDynamoDBRegistryApplyChanges(t *testing.T) {
for _, tc := range []struct {
name string
stubConfig DynamoDBStubConfig
addRecords []*endpoint.Endpoint
changes plan.Changes
expectedError string
expectedRecords []*endpoint.Endpoint
}{
{
name: "create",
changes: plan.Changes{
Create: []*endpoint.Endpoint{
{
DNSName: "new.test-zone.example.org",
Targets: endpoint.Targets{"new.loadbalancer.com"},
RecordType: endpoint.RecordTypeCNAME,
SetIdentifier: "set-new",
Labels: map[string]string{
endpoint.ResourceLabelKey: "ingress/default/new-ingress",
},
},
},
},
stubConfig: DynamoDBStubConfig{
ExpectInsert: map[string]map[string]string{
"new.test-zone.example.org#CNAME#set-new": {endpoint.ResourceLabelKey: "ingress/default/new-ingress"},
},
ExpectDelete: sets.New("quux.test-zone.example.org#A#set-2"),
},
expectedRecords: []*endpoint.Endpoint{
{
DNSName: "foo.test-zone.example.org",
Targets: endpoint.Targets{"foo.loadbalancer.com"},
RecordType: endpoint.RecordTypeCNAME,
Labels: map[string]string{
endpoint.OwnerLabelKey: "",
},
},
{
DNSName: "bar.test-zone.example.org",
Targets: endpoint.Targets{"my-domain.com"},
RecordType: endpoint.RecordTypeCNAME,
Labels: map[string]string{
endpoint.OwnerLabelKey: "test-owner",
endpoint.ResourceLabelKey: "ingress/default/my-ingress",
},
},
{
DNSName: "baz.test-zone.example.org",
Targets: endpoint.Targets{"1.1.1.1"},
RecordType: endpoint.RecordTypeA,
SetIdentifier: "set-1",
Labels: map[string]string{
endpoint.OwnerLabelKey: "test-owner",
endpoint.ResourceLabelKey: "ingress/default/my-ingress",
},
},
{
DNSName: "baz.test-zone.example.org",
Targets: endpoint.Targets{"2.2.2.2"},
RecordType: endpoint.RecordTypeA,
SetIdentifier: "set-2",
Labels: map[string]string{
endpoint.OwnerLabelKey: "test-owner",
endpoint.ResourceLabelKey: "ingress/default/other-ingress",
},
},
{
DNSName: "new.test-zone.example.org",
Targets: endpoint.Targets{"new.loadbalancer.com"},
RecordType: endpoint.RecordTypeCNAME,
SetIdentifier: "set-new",
Labels: map[string]string{
endpoint.OwnerLabelKey: "test-owner",
endpoint.ResourceLabelKey: "ingress/default/new-ingress",
},
},
},
},
{
name: "create orphaned",
changes: plan.Changes{
Create: []*endpoint.Endpoint{
{
DNSName: "quux.test-zone.example.org",
Targets: endpoint.Targets{"5.5.5.5"},
RecordType: endpoint.RecordTypeA,
SetIdentifier: "set-2",
Labels: map[string]string{
endpoint.ResourceLabelKey: "ingress/default/quux-ingress",
},
},
},
},
stubConfig: DynamoDBStubConfig{},
expectedRecords: []*endpoint.Endpoint{
{
DNSName: "foo.test-zone.example.org",
Targets: endpoint.Targets{"foo.loadbalancer.com"},
RecordType: endpoint.RecordTypeCNAME,
Labels: map[string]string{
endpoint.OwnerLabelKey: "",
},
},
{
DNSName: "bar.test-zone.example.org",
Targets: endpoint.Targets{"my-domain.com"},
RecordType: endpoint.RecordTypeCNAME,
Labels: map[string]string{
endpoint.OwnerLabelKey: "test-owner",
endpoint.ResourceLabelKey: "ingress/default/my-ingress",
},
},
{
DNSName: "baz.test-zone.example.org",
Targets: endpoint.Targets{"1.1.1.1"},
RecordType: endpoint.RecordTypeA,
SetIdentifier: "set-1",
Labels: map[string]string{
endpoint.OwnerLabelKey: "test-owner",
endpoint.ResourceLabelKey: "ingress/default/my-ingress",
},
},
{
DNSName: "baz.test-zone.example.org",
Targets: endpoint.Targets{"2.2.2.2"},
RecordType: endpoint.RecordTypeA,
SetIdentifier: "set-2",
Labels: map[string]string{
endpoint.OwnerLabelKey: "test-owner",
endpoint.ResourceLabelKey: "ingress/default/other-ingress",
},
},
{
DNSName: "quux.test-zone.example.org",
Targets: endpoint.Targets{"5.5.5.5"},
RecordType: endpoint.RecordTypeA,
SetIdentifier: "set-2",
Labels: map[string]string{
endpoint.OwnerLabelKey: "test-owner",
endpoint.ResourceLabelKey: "ingress/default/quux-ingress",
},
},
},
},
{
name: "create orphaned change",
changes: plan.Changes{
Create: []*endpoint.Endpoint{
{
DNSName: "quux.test-zone.example.org",
Targets: endpoint.Targets{"5.5.5.5"},
RecordType: endpoint.RecordTypeA,
SetIdentifier: "set-2",
Labels: map[string]string{
endpoint.ResourceLabelKey: "ingress/default/new-ingress",
},
},
},
},
stubConfig: DynamoDBStubConfig{
ExpectUpdate: map[string]map[string]string{
"quux.test-zone.example.org#A#set-2": {endpoint.ResourceLabelKey: "ingress/default/new-ingress"},
},
},
expectedRecords: []*endpoint.Endpoint{
{
DNSName: "foo.test-zone.example.org",
Targets: endpoint.Targets{"foo.loadbalancer.com"},
RecordType: endpoint.RecordTypeCNAME,
Labels: map[string]string{
endpoint.OwnerLabelKey: "",
},
},
{
DNSName: "bar.test-zone.example.org",
Targets: endpoint.Targets{"my-domain.com"},
RecordType: endpoint.RecordTypeCNAME,
Labels: map[string]string{
endpoint.OwnerLabelKey: "test-owner",
endpoint.ResourceLabelKey: "ingress/default/my-ingress",
},
},
{
DNSName: "baz.test-zone.example.org",
Targets: endpoint.Targets{"1.1.1.1"},
RecordType: endpoint.RecordTypeA,
SetIdentifier: "set-1",
Labels: map[string]string{
endpoint.OwnerLabelKey: "test-owner",
endpoint.ResourceLabelKey: "ingress/default/my-ingress",
},
},
{
DNSName: "baz.test-zone.example.org",
Targets: endpoint.Targets{"2.2.2.2"},
RecordType: endpoint.RecordTypeA,
SetIdentifier: "set-2",
Labels: map[string]string{
endpoint.OwnerLabelKey: "test-owner",
endpoint.ResourceLabelKey: "ingress/default/other-ingress",
},
},
{
DNSName: "quux.test-zone.example.org",
Targets: endpoint.Targets{"5.5.5.5"},
RecordType: endpoint.RecordTypeA,
SetIdentifier: "set-2",
Labels: map[string]string{
endpoint.OwnerLabelKey: "test-owner",
endpoint.ResourceLabelKey: "ingress/default/new-ingress",
},
},
},
},
{
name: "create duplicate",
changes: plan.Changes{
Create: []*endpoint.Endpoint{
{
DNSName: "new.test-zone.example.org",
Targets: endpoint.Targets{"new.loadbalancer.com"},
RecordType: endpoint.RecordTypeCNAME,
SetIdentifier: "set-new",
Labels: map[string]string{
endpoint.ResourceLabelKey: "ingress/default/new-ingress",
},
},
},
},
stubConfig: DynamoDBStubConfig{
ExpectInsertError: map[string]string{
"new.test-zone.example.org#CNAME#set-new": "DuplicateItem",
},
ExpectDelete: sets.New("quux.test-zone.example.org#A#set-2"),
},
expectedRecords: []*endpoint.Endpoint{
{
DNSName: "foo.test-zone.example.org",
Targets: endpoint.Targets{"foo.loadbalancer.com"},
RecordType: endpoint.RecordTypeCNAME,
Labels: map[string]string{
endpoint.OwnerLabelKey: "",
},
},
{
DNSName: "bar.test-zone.example.org",
Targets: endpoint.Targets{"my-domain.com"},
RecordType: endpoint.RecordTypeCNAME,
Labels: map[string]string{
endpoint.OwnerLabelKey: "test-owner",
endpoint.ResourceLabelKey: "ingress/default/my-ingress",
},
},
{
DNSName: "baz.test-zone.example.org",
Targets: endpoint.Targets{"1.1.1.1"},
RecordType: endpoint.RecordTypeA,
SetIdentifier: "set-1",
Labels: map[string]string{
endpoint.OwnerLabelKey: "test-owner",
endpoint.ResourceLabelKey: "ingress/default/my-ingress",
},
},
{
DNSName: "baz.test-zone.example.org",
Targets: endpoint.Targets{"2.2.2.2"},
RecordType: endpoint.RecordTypeA,
SetIdentifier: "set-2",
Labels: map[string]string{
endpoint.OwnerLabelKey: "test-owner",
endpoint.ResourceLabelKey: "ingress/default/other-ingress",
},
},
},
},
{
name: "create error",
changes: plan.Changes{
Create: []*endpoint.Endpoint{
{
DNSName: "new.test-zone.example.org",
Targets: endpoint.Targets{"new.loadbalancer.com"},
RecordType: endpoint.RecordTypeCNAME,
SetIdentifier: "set-new",
Labels: map[string]string{
endpoint.ResourceLabelKey: "ingress/default/new-ingress",
},
},
},
},
stubConfig: DynamoDBStubConfig{
ExpectInsertError: map[string]string{
"new.test-zone.example.org#CNAME#set-new": "TestingError",
},
},
expectedError: "inserting dynamodb record \"new.test-zone.example.org#CNAME#set-new\": TestingError: testing error",
expectedRecords: []*endpoint.Endpoint{
{
DNSName: "foo.test-zone.example.org",
Targets: endpoint.Targets{"foo.loadbalancer.com"},
RecordType: endpoint.RecordTypeCNAME,
Labels: map[string]string{
endpoint.OwnerLabelKey: "",
},
},
{
DNSName: "bar.test-zone.example.org",
Targets: endpoint.Targets{"my-domain.com"},
RecordType: endpoint.RecordTypeCNAME,
Labels: map[string]string{
endpoint.OwnerLabelKey: "test-owner",
endpoint.ResourceLabelKey: "ingress/default/my-ingress",
},
},
{
DNSName: "baz.test-zone.example.org",
Targets: endpoint.Targets{"1.1.1.1"},
RecordType: endpoint.RecordTypeA,
SetIdentifier: "set-1",
Labels: map[string]string{
endpoint.OwnerLabelKey: "test-owner",
endpoint.ResourceLabelKey: "ingress/default/my-ingress",
},
},
{
DNSName: "baz.test-zone.example.org",
Targets: endpoint.Targets{"2.2.2.2"},
RecordType: endpoint.RecordTypeA,
SetIdentifier: "set-2",
Labels: map[string]string{
endpoint.OwnerLabelKey: "test-owner",
endpoint.ResourceLabelKey: "ingress/default/other-ingress",
},
},
},
},
{
name: "update",
changes: plan.Changes{
UpdateOld: []*endpoint.Endpoint{
{
DNSName: "bar.test-zone.example.org",
Targets: endpoint.Targets{"my-domain.com"},
RecordType: endpoint.RecordTypeCNAME,
Labels: map[string]string{
endpoint.OwnerLabelKey: "test-owner",
endpoint.ResourceLabelKey: "ingress/default/my-ingress",
},
},
},
UpdateNew: []*endpoint.Endpoint{
{
DNSName: "bar.test-zone.example.org",
Targets: endpoint.Targets{"new-domain.com"},
RecordType: endpoint.RecordTypeCNAME,
Labels: map[string]string{
endpoint.OwnerLabelKey: "test-owner",
endpoint.ResourceLabelKey: "ingress/default/my-ingress",
},
},
},
},
stubConfig: DynamoDBStubConfig{
ExpectDelete: sets.New("quux.test-zone.example.org#A#set-2"),
},
expectedRecords: []*endpoint.Endpoint{
{
DNSName: "foo.test-zone.example.org",
Targets: endpoint.Targets{"foo.loadbalancer.com"},
RecordType: endpoint.RecordTypeCNAME,
Labels: map[string]string{
endpoint.OwnerLabelKey: "",
},
},
{
DNSName: "bar.test-zone.example.org",
Targets: endpoint.Targets{"new-domain.com"},
RecordType: endpoint.RecordTypeCNAME,
Labels: map[string]string{
endpoint.OwnerLabelKey: "test-owner",
endpoint.ResourceLabelKey: "ingress/default/my-ingress",
},
},
{
DNSName: "baz.test-zone.example.org",
Targets: endpoint.Targets{"1.1.1.1"},
RecordType: endpoint.RecordTypeA,
SetIdentifier: "set-1",
Labels: map[string]string{
endpoint.OwnerLabelKey: "test-owner",
endpoint.ResourceLabelKey: "ingress/default/my-ingress",
},
},
{
DNSName: "baz.test-zone.example.org",
Targets: endpoint.Targets{"2.2.2.2"},
RecordType: endpoint.RecordTypeA,
SetIdentifier: "set-2",
Labels: map[string]string{
endpoint.OwnerLabelKey: "test-owner",
endpoint.ResourceLabelKey: "ingress/default/other-ingress",
},
},
},
},
{
name: "update change",
changes: plan.Changes{
UpdateOld: []*endpoint.Endpoint{
{
DNSName: "bar.test-zone.example.org",
Targets: endpoint.Targets{"my-domain.com"},
RecordType: endpoint.RecordTypeCNAME,
Labels: map[string]string{
endpoint.OwnerLabelKey: "test-owner",
endpoint.ResourceLabelKey: "ingress/default/my-ingress",
},
},
},
UpdateNew: []*endpoint.Endpoint{
{
DNSName: "bar.test-zone.example.org",
Targets: endpoint.Targets{"new-domain.com"},
RecordType: endpoint.RecordTypeCNAME,
Labels: map[string]string{
endpoint.OwnerLabelKey: "test-owner",
endpoint.ResourceLabelKey: "ingress/default/new-ingress",
},
},
},
},
stubConfig: DynamoDBStubConfig{
ExpectDelete: sets.New("quux.test-zone.example.org#A#set-2"),
ExpectUpdate: map[string]map[string]string{
"bar.test-zone.example.org#CNAME#": {endpoint.ResourceLabelKey: "ingress/default/new-ingress"},
},
},
expectedRecords: []*endpoint.Endpoint{
{
DNSName: "foo.test-zone.example.org",
Targets: endpoint.Targets{"foo.loadbalancer.com"},
RecordType: endpoint.RecordTypeCNAME,
Labels: map[string]string{
endpoint.OwnerLabelKey: "",
},
},
{
DNSName: "bar.test-zone.example.org",
Targets: endpoint.Targets{"new-domain.com"},
RecordType: endpoint.RecordTypeCNAME,
Labels: map[string]string{
endpoint.OwnerLabelKey: "test-owner",
endpoint.ResourceLabelKey: "ingress/default/new-ingress",
},
},
{
DNSName: "baz.test-zone.example.org",
Targets: endpoint.Targets{"1.1.1.1"},
RecordType: endpoint.RecordTypeA,
SetIdentifier: "set-1",
Labels: map[string]string{
endpoint.OwnerLabelKey: "test-owner",
endpoint.ResourceLabelKey: "ingress/default/my-ingress",
},
},
{
DNSName: "baz.test-zone.example.org",
Targets: endpoint.Targets{"2.2.2.2"},
RecordType: endpoint.RecordTypeA,
SetIdentifier: "set-2",
Labels: map[string]string{
endpoint.OwnerLabelKey: "test-owner",
endpoint.ResourceLabelKey: "ingress/default/other-ingress",
},
},
},
},
{
name: "update migrate",
addRecords: []*endpoint.Endpoint{
{
DNSName: "txt.bar.test-zone.example.org",
Targets: endpoint.Targets{"\"heritage=external-dns,external-dns/owner=test-owner,external-dns/resource=ingress/default/new-ingress\""},
RecordType: endpoint.RecordTypeTXT,
SetIdentifier: "set-1",
},
},
changes: plan.Changes{
UpdateOld: []*endpoint.Endpoint{
{
DNSName: "bar.test-zone.example.org",
Targets: endpoint.Targets{"my-domain.com"},
RecordType: endpoint.RecordTypeCNAME,
Labels: map[string]string{
endpoint.OwnerLabelKey: "test-owner",
endpoint.ResourceLabelKey: "ingress/default/my-ingress",
},
ProviderSpecific: endpoint.ProviderSpecific{
{
Name: dynamodbAttributeMigrate,
Value: "true",
},
},
},
},
UpdateNew: []*endpoint.Endpoint{
{
DNSName: "bar.test-zone.example.org",
Targets: endpoint.Targets{"my-domain.com"},
RecordType: endpoint.RecordTypeCNAME,
Labels: map[string]string{
endpoint.OwnerLabelKey: "test-owner",
endpoint.ResourceLabelKey: "ingress/default/new-ingress",
},
},
},
},
stubConfig: DynamoDBStubConfig{
ExpectDelete: sets.New("quux.test-zone.example.org#A#set-2"),
ExpectInsert: map[string]map[string]string{
"bar.test-zone.example.org#CNAME#": {endpoint.ResourceLabelKey: "ingress/default/new-ingress"},
},
},
expectedRecords: []*endpoint.Endpoint{
{
DNSName: "foo.test-zone.example.org",
Targets: endpoint.Targets{"foo.loadbalancer.com"},
RecordType: endpoint.RecordTypeCNAME,
Labels: map[string]string{
endpoint.OwnerLabelKey: "",
},
},
{
DNSName: "bar.test-zone.example.org",
Targets: endpoint.Targets{"my-domain.com"},
RecordType: endpoint.RecordTypeCNAME,
Labels: map[string]string{
endpoint.OwnerLabelKey: "test-owner",
endpoint.ResourceLabelKey: "ingress/default/new-ingress",
},
},
{
DNSName: "baz.test-zone.example.org",
Targets: endpoint.Targets{"1.1.1.1"},
RecordType: endpoint.RecordTypeA,
SetIdentifier: "set-1",
Labels: map[string]string{
endpoint.OwnerLabelKey: "test-owner",
endpoint.ResourceLabelKey: "ingress/default/my-ingress",
},
},
{
DNSName: "baz.test-zone.example.org",
Targets: endpoint.Targets{"2.2.2.2"},
RecordType: endpoint.RecordTypeA,
SetIdentifier: "set-2",
Labels: map[string]string{
endpoint.OwnerLabelKey: "test-owner",
endpoint.ResourceLabelKey: "ingress/default/other-ingress",
},
},
{
DNSName: "txt.bar.test-zone.example.org",
Targets: endpoint.Targets{"\"heritage=external-dns,external-dns/owner=test-owner,external-dns/resource=ingress/default/new-ingress\""},
RecordType: endpoint.RecordTypeTXT,
SetIdentifier: "set-1",
Labels: map[string]string{
endpoint.OwnerLabelKey: "test-owner",
},
},
},
},
{
name: "update error",
changes: plan.Changes{
UpdateOld: []*endpoint.Endpoint{
{
DNSName: "bar.test-zone.example.org",
Targets: endpoint.Targets{"my-domain.com"},
RecordType: endpoint.RecordTypeCNAME,
Labels: map[string]string{
endpoint.OwnerLabelKey: "test-owner",
endpoint.ResourceLabelKey: "ingress/default/my-ingress",
},
},
},
UpdateNew: []*endpoint.Endpoint{
{
DNSName: "bar.test-zone.example.org",
Targets: endpoint.Targets{"new-domain.com"},
RecordType: endpoint.RecordTypeCNAME,
Labels: map[string]string{
endpoint.OwnerLabelKey: "test-owner",
endpoint.ResourceLabelKey: "ingress/default/new-ingress",
},
},
},
},
stubConfig: DynamoDBStubConfig{
ExpectUpdateError: map[string]string{
"bar.test-zone.example.org#CNAME#": "TestingError",
},
},
expectedError: "updating dynamodb record \"bar.test-zone.example.org#CNAME#\": TestingError: testing error",
expectedRecords: []*endpoint.Endpoint{
{
DNSName: "foo.test-zone.example.org",
Targets: endpoint.Targets{"foo.loadbalancer.com"},
RecordType: endpoint.RecordTypeCNAME,
Labels: map[string]string{
endpoint.OwnerLabelKey: "",
},
},
{
DNSName: "bar.test-zone.example.org",
Targets: endpoint.Targets{"my-domain.com"},
RecordType: endpoint.RecordTypeCNAME,
Labels: map[string]string{
endpoint.OwnerLabelKey: "test-owner",
endpoint.ResourceLabelKey: "ingress/default/my-ingress",
},
},
{
DNSName: "baz.test-zone.example.org",
Targets: endpoint.Targets{"1.1.1.1"},
RecordType: endpoint.RecordTypeA,
SetIdentifier: "set-1",
Labels: map[string]string{
endpoint.OwnerLabelKey: "test-owner",
endpoint.ResourceLabelKey: "ingress/default/my-ingress",
},
},
{
DNSName: "baz.test-zone.example.org",
Targets: endpoint.Targets{"2.2.2.2"},
RecordType: endpoint.RecordTypeA,
SetIdentifier: "set-2",
Labels: map[string]string{
endpoint.OwnerLabelKey: "test-owner",
endpoint.ResourceLabelKey: "ingress/default/other-ingress",
},
},
},
},
{
name: "delete",
changes: plan.Changes{
Delete: []*endpoint.Endpoint{
{
DNSName: "bar.test-zone.example.org",
Targets: endpoint.Targets{"my-domain.com"},
RecordType: endpoint.RecordTypeCNAME,
Labels: map[string]string{
endpoint.OwnerLabelKey: "test-owner",
endpoint.ResourceLabelKey: "ingress/default/my-ingress",
},
},
},
},
stubConfig: DynamoDBStubConfig{
ExpectDelete: sets.New("bar.test-zone.example.org#CNAME#", "quux.test-zone.example.org#A#set-2"),
},
expectedRecords: []*endpoint.Endpoint{
{
DNSName: "foo.test-zone.example.org",
Targets: endpoint.Targets{"foo.loadbalancer.com"},
RecordType: endpoint.RecordTypeCNAME,
Labels: map[string]string{
endpoint.OwnerLabelKey: "",
},
},
{
DNSName: "baz.test-zone.example.org",
Targets: endpoint.Targets{"1.1.1.1"},
RecordType: endpoint.RecordTypeA,
SetIdentifier: "set-1",
Labels: map[string]string{
endpoint.OwnerLabelKey: "test-owner",
endpoint.ResourceLabelKey: "ingress/default/my-ingress",
},
},
{
DNSName: "baz.test-zone.example.org",
Targets: endpoint.Targets{"2.2.2.2"},
RecordType: endpoint.RecordTypeA,
SetIdentifier: "set-2",
Labels: map[string]string{
endpoint.OwnerLabelKey: "test-owner",
endpoint.ResourceLabelKey: "ingress/default/other-ingress",
},
},
},
},
} {
t.Run(tc.name, func(t *testing.T) {
api, p := newDynamoDBAPIStub(t, &tc.stubConfig)
if len(tc.addRecords) > 0 {
_ = p.(*wrappedProvider).Provider.ApplyChanges(context.Background(), &plan.Changes{
Create: tc.addRecords,
})
}
ctx := context.Background()
r, _ := NewDynamoDBRegistry(p, "test-owner", api, "test-table", "txt.", "", "", []string{}, []string{}, nil, time.Hour)
_, err := r.Records(ctx)
require.Nil(t, err)
err = r.ApplyChanges(ctx, &tc.changes)
if tc.expectedError == "" {
assert.Nil(t, err)
} else {
assert.EqualError(t, err, tc.expectedError)
}
assert.Empty(t, tc.stubConfig.ExpectInsert, "all expected inserts made")
assert.Empty(t, tc.stubConfig.ExpectDelete, "all expected deletions made")
records, err := r.Records(ctx)
require.Nil(t, err)
assert.True(t, testutils.SameEndpoints(records, tc.expectedRecords))
r.recordsCache = nil
records, err = r.Records(ctx)
require.Nil(t, err)
assert.True(t, testutils.SameEndpoints(records, tc.expectedRecords))
if tc.expectedError == "" {
assert.Empty(t, r.orphanedLabels)
}
})
}
}
// DynamoDBAPIStub is a minimal implementation of DynamoDBAPI, used primarily for unit testing.
type DynamoDBStub struct {
t *testing.T
stubConfig *DynamoDBStubConfig
tableDescription dynamodb.TableDescription
changesApplied bool
}
type DynamoDBStubConfig struct {
ExpectInsert map[string]map[string]string
ExpectInsertError map[string]string
ExpectUpdate map[string]map[string]string
ExpectUpdateError map[string]string
ExpectDelete sets.Set[string]
}
type wrappedProvider struct {
provider.Provider
stub *DynamoDBStub
}
func (w *wrappedProvider) ApplyChanges(ctx context.Context, changes *plan.Changes) error {
assert.False(w.stub.t, w.stub.changesApplied, "ApplyChanges already called")
w.stub.changesApplied = true
return w.Provider.ApplyChanges(ctx, changes)
}
func newDynamoDBAPIStub(t *testing.T, stubConfig *DynamoDBStubConfig) (*DynamoDBStub, provider.Provider) {
stub := &DynamoDBStub{
t: t,
stubConfig: stubConfig,
tableDescription: dynamodb.TableDescription{
AttributeDefinitions: []*dynamodb.AttributeDefinition{
{
AttributeName: aws.String("k"),
AttributeType: aws.String("S"),
},
},
KeySchema: []*dynamodb.KeySchemaElement{
{
AttributeName: aws.String("k"),
KeyType: aws.String("HASH"),
},
},
},
}
p := inmemory.NewInMemoryProvider()
_ = p.CreateZone(testZone)
_ = p.ApplyChanges(context.Background(), &plan.Changes{