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service_test.go
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/*
Copyright 2017 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 source
import (
"context"
"net"
"sort"
"strings"
"testing"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
"github.com/stretchr/testify/suite"
v1 "k8s.io/api/core/v1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/labels"
"k8s.io/client-go/kubernetes/fake"
"sigs.k8s.io/external-dns/endpoint"
)
type ServiceSuite struct {
suite.Suite
sc Source
fooWithTargets *v1.Service
}
func (suite *ServiceSuite) SetupTest() {
fakeClient := fake.NewSimpleClientset()
suite.fooWithTargets = &v1.Service{
Spec: v1.ServiceSpec{
Type: v1.ServiceTypeLoadBalancer,
},
ObjectMeta: metav1.ObjectMeta{
Namespace: "default",
Name: "foo-with-targets",
Annotations: map[string]string{},
},
Status: v1.ServiceStatus{
LoadBalancer: v1.LoadBalancerStatus{
Ingress: []v1.LoadBalancerIngress{
{IP: "8.8.8.8"},
{Hostname: "foo"},
},
},
},
}
_, err := fakeClient.CoreV1().Services(suite.fooWithTargets.Namespace).Create(context.Background(), suite.fooWithTargets, metav1.CreateOptions{})
suite.NoError(err, "should successfully create service")
suite.sc, err = NewServiceSource(
context.TODO(),
fakeClient,
"",
"",
"{{.Name}}",
false,
"",
false,
false,
false,
[]string{},
false,
labels.Everything(),
false,
)
suite.NoError(err, "should initialize service source")
}
func (suite *ServiceSuite) TestResourceLabelIsSet() {
endpoints, _ := suite.sc.Endpoints(context.Background())
for _, ep := range endpoints {
suite.Equal("service/default/foo-with-targets", ep.Labels[endpoint.ResourceLabelKey], "should set correct resource label")
}
}
func TestServiceSource(t *testing.T) {
t.Parallel()
suite.Run(t, new(ServiceSuite))
t.Run("Interface", testServiceSourceImplementsSource)
t.Run("NewServiceSource", testServiceSourceNewServiceSource)
t.Run("Endpoints", testServiceSourceEndpoints)
t.Run("MultipleServices", testMultipleServicesEndpoints)
}
// testServiceSourceImplementsSource tests that serviceSource is a valid Source.
func testServiceSourceImplementsSource(t *testing.T) {
assert.Implements(t, (*Source)(nil), new(serviceSource))
}
// testServiceSourceNewServiceSource tests that NewServiceSource doesn't return an error.
func testServiceSourceNewServiceSource(t *testing.T) {
t.Parallel()
for _, ti := range []struct {
title string
annotationFilter string
fqdnTemplate string
serviceTypesFilter []string
expectError bool
}{
{
title: "invalid template",
expectError: true,
fqdnTemplate: "{{.Name",
},
{
title: "valid empty template",
expectError: false,
},
{
title: "valid template",
expectError: false,
fqdnTemplate: "{{.Name}}-{{.Namespace}}.ext-dns.test.com",
},
{
title: "non-empty annotation filter label",
expectError: false,
annotationFilter: "kubernetes.io/ingress.class=nginx",
},
{
title: "non-empty service types filter",
expectError: false,
serviceTypesFilter: []string{string(v1.ServiceTypeClusterIP)},
},
} {
ti := ti
t.Run(ti.title, func(t *testing.T) {
t.Parallel()
_, err := NewServiceSource(
context.TODO(),
fake.NewSimpleClientset(),
"",
ti.annotationFilter,
ti.fqdnTemplate,
false,
"",
false,
false,
false,
ti.serviceTypesFilter,
false,
labels.Everything(),
false,
)
if ti.expectError {
assert.Error(t, err)
} else {
assert.NoError(t, err)
}
})
}
}
// testServiceSourceEndpoints tests that various services generate the correct endpoints.
func testServiceSourceEndpoints(t *testing.T) {
t.Parallel()
for _, tc := range []struct {
title string
targetNamespace string
annotationFilter string
svcNamespace string
svcName string
svcType v1.ServiceType
compatibility string
fqdnTemplate string
combineFQDNAndAnnotation bool
ignoreHostnameAnnotation bool
labels map[string]string
annotations map[string]string
clusterIP string
externalIPs []string
lbs []string
serviceTypesFilter []string
expected []*endpoint.Endpoint
expectError bool
serviceLabelSelector string
resolveLoadBalancerHostname bool
}{
{
title: "no annotated services return no endpoints",
svcNamespace: "testing",
svcName: "foo",
svcType: v1.ServiceTypeLoadBalancer,
labels: map[string]string{},
annotations: map[string]string{},
externalIPs: []string{},
lbs: []string{"1.2.3.4"},
serviceTypesFilter: []string{},
expected: []*endpoint.Endpoint{},
},
{
title: "no annotated services return no endpoints when ignoring annotations",
svcNamespace: "testing",
svcName: "foo",
svcType: v1.ServiceTypeLoadBalancer,
ignoreHostnameAnnotation: true,
labels: map[string]string{},
annotations: map[string]string{},
externalIPs: []string{},
lbs: []string{"1.2.3.4"},
serviceTypesFilter: []string{},
expected: []*endpoint.Endpoint{},
},
{
title: "annotated services return an endpoint with target IP",
svcNamespace: "testing",
svcName: "foo",
svcType: v1.ServiceTypeLoadBalancer,
labels: map[string]string{},
annotations: map[string]string{
hostnameAnnotationKey: "foo.example.org.",
},
externalIPs: []string{},
lbs: []string{"1.2.3.4"},
serviceTypesFilter: []string{},
expected: []*endpoint.Endpoint{
{DNSName: "foo.example.org", RecordType: endpoint.RecordTypeA, Targets: endpoint.Targets{"1.2.3.4"}},
},
},
{
title: "hostname annotation on services is ignored",
svcNamespace: "testing",
svcName: "foo",
svcType: v1.ServiceTypeLoadBalancer,
ignoreHostnameAnnotation: true,
labels: map[string]string{},
annotations: map[string]string{
hostnameAnnotationKey: "foo.example.org.",
},
externalIPs: []string{},
lbs: []string{"1.2.3.4"},
serviceTypesFilter: []string{},
expected: []*endpoint.Endpoint{},
},
{
title: "annotated ClusterIp aren't processed without explicit authorization",
svcNamespace: "testing",
svcName: "foo",
svcType: v1.ServiceTypeClusterIP,
labels: map[string]string{},
annotations: map[string]string{
hostnameAnnotationKey: "foo.example.org.",
},
clusterIP: "1.2.3.4",
externalIPs: []string{},
lbs: []string{},
serviceTypesFilter: []string{},
expected: []*endpoint.Endpoint{},
},
{
title: "FQDN template with multiple hostnames return an endpoint with target IP",
svcNamespace: "testing",
svcName: "foo",
svcType: v1.ServiceTypeLoadBalancer,
fqdnTemplate: "{{.Name}}.fqdn.org,{{.Name}}.fqdn.com",
labels: map[string]string{},
annotations: map[string]string{},
externalIPs: []string{},
lbs: []string{"1.2.3.4"},
serviceTypesFilter: []string{},
expected: []*endpoint.Endpoint{
{DNSName: "foo.fqdn.org", RecordType: endpoint.RecordTypeA, Targets: endpoint.Targets{"1.2.3.4"}},
{DNSName: "foo.fqdn.com", RecordType: endpoint.RecordTypeA, Targets: endpoint.Targets{"1.2.3.4"}},
},
},
{
title: "FQDN template with multiple hostnames return an endpoint with target IP when ignoring annotations",
svcNamespace: "testing",
svcName: "foo",
svcType: v1.ServiceTypeLoadBalancer,
fqdnTemplate: "{{.Name}}.fqdn.org,{{.Name}}.fqdn.com",
ignoreHostnameAnnotation: true,
labels: map[string]string{},
annotations: map[string]string{},
externalIPs: []string{},
lbs: []string{"1.2.3.4"},
serviceTypesFilter: []string{},
expected: []*endpoint.Endpoint{
{DNSName: "foo.fqdn.org", RecordType: endpoint.RecordTypeA, Targets: endpoint.Targets{"1.2.3.4"}},
{DNSName: "foo.fqdn.com", RecordType: endpoint.RecordTypeA, Targets: endpoint.Targets{"1.2.3.4"}},
},
},
{
title: "FQDN template and annotation both with multiple hostnames return an endpoint with target IP",
svcNamespace: "testing",
svcName: "foo",
svcType: v1.ServiceTypeLoadBalancer,
fqdnTemplate: "{{.Name}}.fqdn.org,{{.Name}}.fqdn.com",
combineFQDNAndAnnotation: true,
labels: map[string]string{},
annotations: map[string]string{
hostnameAnnotationKey: "foo.example.org., bar.example.org.",
},
externalIPs: []string{},
lbs: []string{"1.2.3.4"},
serviceTypesFilter: []string{},
expected: []*endpoint.Endpoint{
{DNSName: "foo.example.org", RecordType: endpoint.RecordTypeA, Targets: endpoint.Targets{"1.2.3.4"}},
{DNSName: "bar.example.org", RecordType: endpoint.RecordTypeA, Targets: endpoint.Targets{"1.2.3.4"}},
{DNSName: "foo.fqdn.org", RecordType: endpoint.RecordTypeA, Targets: endpoint.Targets{"1.2.3.4"}},
{DNSName: "foo.fqdn.com", RecordType: endpoint.RecordTypeA, Targets: endpoint.Targets{"1.2.3.4"}},
},
},
{
title: "FQDN template and annotation both with multiple hostnames while ignoring annotations will only return FQDN endpoints",
svcNamespace: "testing",
svcName: "foo",
svcType: v1.ServiceTypeLoadBalancer,
fqdnTemplate: "{{.Name}}.fqdn.org,{{.Name}}.fqdn.com",
combineFQDNAndAnnotation: true,
ignoreHostnameAnnotation: true,
labels: map[string]string{},
annotations: map[string]string{
hostnameAnnotationKey: "foo.example.org., bar.example.org.",
},
externalIPs: []string{},
lbs: []string{"1.2.3.4"},
serviceTypesFilter: []string{},
expected: []*endpoint.Endpoint{
{DNSName: "foo.fqdn.org", RecordType: endpoint.RecordTypeA, Targets: endpoint.Targets{"1.2.3.4"}},
{DNSName: "foo.fqdn.com", RecordType: endpoint.RecordTypeA, Targets: endpoint.Targets{"1.2.3.4"}},
},
},
{
title: "annotated services with multiple hostnames return an endpoint with target IP",
svcNamespace: "testing",
svcName: "foo",
svcType: v1.ServiceTypeLoadBalancer,
labels: map[string]string{},
annotations: map[string]string{
hostnameAnnotationKey: "foo.example.org., bar.example.org.",
},
externalIPs: []string{},
lbs: []string{"1.2.3.4"},
serviceTypesFilter: []string{},
expected: []*endpoint.Endpoint{
{DNSName: "foo.example.org", RecordType: endpoint.RecordTypeA, Targets: endpoint.Targets{"1.2.3.4"}},
{DNSName: "bar.example.org", RecordType: endpoint.RecordTypeA, Targets: endpoint.Targets{"1.2.3.4"}},
},
},
{
title: "annotated services with multiple hostnames and without trailing period return an endpoint with target IP",
svcNamespace: "testing",
svcName: "foo",
svcType: v1.ServiceTypeLoadBalancer,
labels: map[string]string{},
annotations: map[string]string{
hostnameAnnotationKey: "foo.example.org, bar.example.org",
},
externalIPs: []string{},
lbs: []string{"1.2.3.4"},
serviceTypesFilter: []string{},
expected: []*endpoint.Endpoint{
{DNSName: "foo.example.org", RecordType: endpoint.RecordTypeA, Targets: endpoint.Targets{"1.2.3.4"}},
{DNSName: "bar.example.org", RecordType: endpoint.RecordTypeA, Targets: endpoint.Targets{"1.2.3.4"}},
},
},
{
title: "annotated services return an endpoint with target hostname",
svcNamespace: "testing",
svcName: "foo",
svcType: v1.ServiceTypeLoadBalancer,
labels: map[string]string{},
annotations: map[string]string{
hostnameAnnotationKey: "foo.example.org.",
},
externalIPs: []string{},
lbs: []string{"lb.example.com"}, // Kubernetes omits the trailing dot
serviceTypesFilter: []string{},
expected: []*endpoint.Endpoint{
{DNSName: "foo.example.org", RecordType: endpoint.RecordTypeCNAME, Targets: endpoint.Targets{"lb.example.com"}},
},
},
{
title: "annotated services return an endpoint with hostname then resolve hostname",
svcNamespace: "testing",
svcName: "foo",
svcType: v1.ServiceTypeLoadBalancer,
labels: map[string]string{},
annotations: map[string]string{
hostnameAnnotationKey: "foo.example.org.",
},
externalIPs: []string{},
lbs: []string{"example.com"}, // Use a resolvable hostname for testing.
serviceTypesFilter: []string{},
resolveLoadBalancerHostname: true,
expected: []*endpoint.Endpoint{
{DNSName: "foo.example.org", RecordType: endpoint.RecordTypeA, Targets: endpoint.Targets{"93.184.216.34"}},
{DNSName: "foo.example.org", RecordType: endpoint.RecordTypeAAAA, Targets: endpoint.Targets{"2606:2800:220:1:248:1893:25c8:1946"}},
},
},
{
title: "annotated services can omit trailing dot",
svcNamespace: "testing",
svcName: "foo",
svcType: v1.ServiceTypeLoadBalancer,
labels: map[string]string{},
annotations: map[string]string{
hostnameAnnotationKey: "foo.example.org", // Trailing dot is omitted
},
externalIPs: []string{},
lbs: []string{"1.2.3.4", "lb.example.com"}, // Kubernetes omits the trailing dot
serviceTypesFilter: []string{},
expected: []*endpoint.Endpoint{
{DNSName: "foo.example.org", RecordType: endpoint.RecordTypeA, Targets: endpoint.Targets{"1.2.3.4"}},
{DNSName: "foo.example.org", RecordType: endpoint.RecordTypeCNAME, Targets: endpoint.Targets{"lb.example.com"}},
},
},
{
title: "our controller type is kops dns controller",
svcNamespace: "testing",
svcName: "foo",
svcType: v1.ServiceTypeLoadBalancer,
labels: map[string]string{},
annotations: map[string]string{
controllerAnnotationKey: controllerAnnotationValue,
hostnameAnnotationKey: "foo.example.org.",
},
externalIPs: []string{},
lbs: []string{"1.2.3.4"},
serviceTypesFilter: []string{},
expected: []*endpoint.Endpoint{
{DNSName: "foo.example.org", RecordType: endpoint.RecordTypeA, Targets: endpoint.Targets{"1.2.3.4"}},
},
},
{
title: "different controller types are ignored even (with template specified)",
svcNamespace: "testing",
svcName: "foo",
svcType: v1.ServiceTypeLoadBalancer,
fqdnTemplate: "{{.Name}}.ext-dns.test.com",
labels: map[string]string{},
annotations: map[string]string{
controllerAnnotationKey: "some-other-tool",
hostnameAnnotationKey: "foo.example.org.",
},
externalIPs: []string{},
lbs: []string{"1.2.3.4"},
serviceTypesFilter: []string{},
expected: []*endpoint.Endpoint{},
},
{
title: "services are found in target namespace",
targetNamespace: "testing",
svcNamespace: "testing",
svcName: "foo",
svcType: v1.ServiceTypeLoadBalancer,
labels: map[string]string{},
annotations: map[string]string{
hostnameAnnotationKey: "foo.example.org.",
},
externalIPs: []string{},
lbs: []string{"1.2.3.4"},
serviceTypesFilter: []string{},
expected: []*endpoint.Endpoint{
{DNSName: "foo.example.org", RecordType: endpoint.RecordTypeA, Targets: endpoint.Targets{"1.2.3.4"}},
},
},
{
title: "services that are not in target namespace are ignored",
targetNamespace: "testing",
svcNamespace: "other-testing",
svcName: "foo",
svcType: v1.ServiceTypeLoadBalancer,
labels: map[string]string{},
annotations: map[string]string{
hostnameAnnotationKey: "foo.example.org.",
},
externalIPs: []string{},
lbs: []string{"1.2.3.4"},
serviceTypesFilter: []string{},
expected: []*endpoint.Endpoint{},
},
{
title: "services are found in all namespaces",
svcNamespace: "other-testing",
svcName: "foo",
svcType: v1.ServiceTypeLoadBalancer,
labels: map[string]string{},
annotations: map[string]string{
hostnameAnnotationKey: "foo.example.org.",
},
externalIPs: []string{},
lbs: []string{"1.2.3.4"},
serviceTypesFilter: []string{},
expected: []*endpoint.Endpoint{
{DNSName: "foo.example.org", RecordType: endpoint.RecordTypeA, Targets: endpoint.Targets{"1.2.3.4"}},
},
},
{
title: "valid matching annotation filter expression",
annotationFilter: "service.beta.kubernetes.io/external-traffic in (Global, OnlyLocal)",
svcNamespace: "testing",
svcName: "foo",
svcType: v1.ServiceTypeLoadBalancer,
labels: map[string]string{},
annotations: map[string]string{
hostnameAnnotationKey: "foo.example.org.",
"service.beta.kubernetes.io/external-traffic": "OnlyLocal",
},
externalIPs: []string{},
lbs: []string{"1.2.3.4"},
serviceTypesFilter: []string{},
expected: []*endpoint.Endpoint{
{DNSName: "foo.example.org", RecordType: endpoint.RecordTypeA, Targets: endpoint.Targets{"1.2.3.4"}},
},
},
{
title: "valid non-matching annotation filter expression",
annotationFilter: "service.beta.kubernetes.io/external-traffic in (Global, OnlyLocal)",
svcNamespace: "testing",
svcName: "foo",
svcType: v1.ServiceTypeLoadBalancer,
labels: map[string]string{},
annotations: map[string]string{
hostnameAnnotationKey: "foo.example.org.",
"service.beta.kubernetes.io/external-traffic": "SomethingElse",
},
externalIPs: []string{},
lbs: []string{"1.2.3.4"},
serviceTypesFilter: []string{},
expected: []*endpoint.Endpoint{},
},
{
title: "invalid annotation filter expression",
annotationFilter: "service.beta.kubernetes.io/external-traffic in (Global OnlyLocal)",
svcNamespace: "testing",
svcName: "foo",
svcType: v1.ServiceTypeLoadBalancer,
labels: map[string]string{},
annotations: map[string]string{
hostnameAnnotationKey: "foo.example.org.",
"service.beta.kubernetes.io/external-traffic": "OnlyLocal",
},
externalIPs: []string{},
lbs: []string{"1.2.3.4"},
serviceTypesFilter: []string{},
expected: []*endpoint.Endpoint{},
expectError: true,
},
{
title: "valid matching annotation filter label",
annotationFilter: "service.beta.kubernetes.io/external-traffic=Global",
svcNamespace: "testing",
svcName: "foo",
svcType: v1.ServiceTypeLoadBalancer,
labels: map[string]string{},
annotations: map[string]string{
hostnameAnnotationKey: "foo.example.org.",
"service.beta.kubernetes.io/external-traffic": "Global",
},
externalIPs: []string{},
lbs: []string{"1.2.3.4"},
serviceTypesFilter: []string{},
expected: []*endpoint.Endpoint{
{DNSName: "foo.example.org", RecordType: endpoint.RecordTypeA, Targets: endpoint.Targets{"1.2.3.4"}},
},
},
{
title: "valid non-matching annotation filter label",
annotationFilter: "service.beta.kubernetes.io/external-traffic=Global",
svcNamespace: "testing",
svcName: "foo",
svcType: v1.ServiceTypeLoadBalancer,
labels: map[string]string{},
annotations: map[string]string{
hostnameAnnotationKey: "foo.example.org.",
"service.beta.kubernetes.io/external-traffic": "OnlyLocal",
},
externalIPs: []string{},
lbs: []string{"1.2.3.4"},
serviceTypesFilter: []string{},
expected: []*endpoint.Endpoint{},
},
{
title: "no external entrypoints return no endpoints",
svcNamespace: "testing",
svcName: "foo",
svcType: v1.ServiceTypeLoadBalancer,
labels: map[string]string{},
annotations: map[string]string{
hostnameAnnotationKey: "foo.example.org.",
},
externalIPs: []string{},
lbs: []string{},
serviceTypesFilter: []string{},
expected: []*endpoint.Endpoint{},
},
{
title: "annotated service with externalIPs returns a single endpoint with multiple targets",
svcNamespace: "testing",
svcName: "foo",
svcType: v1.ServiceTypeLoadBalancer,
labels: map[string]string{},
annotations: map[string]string{
hostnameAnnotationKey: "foo.example.org.",
},
externalIPs: []string{"10.2.3.4", "11.2.3.4"},
lbs: []string{"1.2.3.4"},
serviceTypesFilter: []string{},
expected: []*endpoint.Endpoint{
{DNSName: "foo.example.org", RecordType: endpoint.RecordTypeA, Targets: endpoint.Targets{"10.2.3.4", "11.2.3.4"}},
},
},
{
title: "multiple external entrypoints return a single endpoint with multiple targets",
svcNamespace: "testing",
svcName: "foo",
svcType: v1.ServiceTypeLoadBalancer,
labels: map[string]string{},
annotations: map[string]string{
hostnameAnnotationKey: "foo.example.org.",
},
externalIPs: []string{},
lbs: []string{"1.2.3.4", "8.8.8.8"},
serviceTypesFilter: []string{},
expected: []*endpoint.Endpoint{
{DNSName: "foo.example.org", RecordType: endpoint.RecordTypeA, Targets: endpoint.Targets{"1.2.3.4", "8.8.8.8"}},
},
},
{
title: "services annotated with legacy mate annotations are ignored in default mode",
svcNamespace: "testing",
svcName: "foo",
svcType: v1.ServiceTypeLoadBalancer,
labels: map[string]string{},
annotations: map[string]string{
"zalando.org/dnsname": "foo.example.org.",
},
externalIPs: []string{},
lbs: []string{"1.2.3.4"},
serviceTypesFilter: []string{},
expected: []*endpoint.Endpoint{},
},
{
title: "services annotated with legacy mate annotations return an endpoint in compatibility mode",
svcNamespace: "testing",
svcName: "foo",
svcType: v1.ServiceTypeLoadBalancer,
compatibility: "mate",
labels: map[string]string{},
annotations: map[string]string{
"zalando.org/dnsname": "foo.example.org.",
},
externalIPs: []string{},
lbs: []string{"1.2.3.4"},
serviceTypesFilter: []string{},
expected: []*endpoint.Endpoint{
{DNSName: "foo.example.org", RecordType: endpoint.RecordTypeA, Targets: endpoint.Targets{"1.2.3.4"}},
},
},
{
title: "services annotated with legacy molecule annotations return an endpoint in compatibility mode",
svcNamespace: "testing",
svcName: "foo",
svcType: v1.ServiceTypeLoadBalancer,
compatibility: "molecule",
labels: map[string]string{
"dns": "route53",
},
annotations: map[string]string{
"domainName": "foo.example.org., bar.example.org",
},
externalIPs: []string{},
lbs: []string{"1.2.3.4"},
serviceTypesFilter: []string{},
expected: []*endpoint.Endpoint{
{DNSName: "foo.example.org", RecordType: endpoint.RecordTypeA, Targets: endpoint.Targets{"1.2.3.4"}},
{DNSName: "bar.example.org", RecordType: endpoint.RecordTypeA, Targets: endpoint.Targets{"1.2.3.4"}},
},
},
{
title: "load balancer services annotated with DNS Controller annotations return an endpoint with A and CNAME targets in compatibility mode",
svcNamespace: "testing",
svcName: "foo",
svcType: v1.ServiceTypeLoadBalancer,
compatibility: "kops-dns-controller",
labels: map[string]string{},
annotations: map[string]string{
kopsDNSControllerInternalHostnameAnnotationKey: "internal.foo.example.org",
},
externalIPs: []string{},
lbs: []string{"1.2.3.4", "lb.example.com"},
serviceTypesFilter: []string{},
expected: []*endpoint.Endpoint{
{DNSName: "internal.foo.example.org", RecordType: endpoint.RecordTypeA, Targets: endpoint.Targets{"1.2.3.4"}},
{DNSName: "internal.foo.example.org", RecordType: endpoint.RecordTypeCNAME, Targets: endpoint.Targets{"lb.example.com"}},
},
},
{
title: "load balancer services annotated with DNS Controller annotations return an endpoint with both annotations in compatibility mode",
svcNamespace: "testing",
svcName: "foo",
svcType: v1.ServiceTypeLoadBalancer,
compatibility: "kops-dns-controller",
labels: map[string]string{},
annotations: map[string]string{
kopsDNSControllerInternalHostnameAnnotationKey: "internal.foo.example.org., internal.bar.example.org",
kopsDNSControllerHostnameAnnotationKey: "foo.example.org., bar.example.org",
},
externalIPs: []string{},
lbs: []string{"1.2.3.4"},
serviceTypesFilter: []string{},
expected: []*endpoint.Endpoint{
{DNSName: "foo.example.org", RecordType: endpoint.RecordTypeA, Targets: endpoint.Targets{"1.2.3.4"}},
{DNSName: "bar.example.org", RecordType: endpoint.RecordTypeA, Targets: endpoint.Targets{"1.2.3.4"}},
{DNSName: "internal.foo.example.org", RecordType: endpoint.RecordTypeA, Targets: endpoint.Targets{"1.2.3.4"}},
{DNSName: "internal.bar.example.org", RecordType: endpoint.RecordTypeA, Targets: endpoint.Targets{"1.2.3.4"}},
},
},
{
title: "not annotated services with set fqdnTemplate return an endpoint with target IP",
svcNamespace: "testing",
svcName: "foo",
svcType: v1.ServiceTypeLoadBalancer,
fqdnTemplate: "{{.Name}}.bar.example.com",
labels: map[string]string{},
annotations: map[string]string{},
externalIPs: []string{},
lbs: []string{"1.2.3.4", "elb.com"},
serviceTypesFilter: []string{},
expected: []*endpoint.Endpoint{
{DNSName: "foo.bar.example.com", RecordType: endpoint.RecordTypeA, Targets: endpoint.Targets{"1.2.3.4"}},
{DNSName: "foo.bar.example.com", RecordType: endpoint.RecordTypeCNAME, Targets: endpoint.Targets{"elb.com"}},
},
},
{
title: "annotated services with set fqdnTemplate annotation takes precedence",
svcNamespace: "testing",
svcName: "foo",
svcType: v1.ServiceTypeLoadBalancer,
fqdnTemplate: "{{.Name}}.bar.example.com",
labels: map[string]string{},
annotations: map[string]string{
hostnameAnnotationKey: "foo.example.org.",
},
externalIPs: []string{},
lbs: []string{"1.2.3.4", "elb.com"},
serviceTypesFilter: []string{},
expected: []*endpoint.Endpoint{
{DNSName: "foo.example.org", RecordType: endpoint.RecordTypeA, Targets: endpoint.Targets{"1.2.3.4"}},
{DNSName: "foo.example.org", RecordType: endpoint.RecordTypeCNAME, Targets: endpoint.Targets{"elb.com"}},
},
},
{
title: "compatibility annotated services with tmpl. compatibility takes precedence",
svcNamespace: "testing",
svcName: "foo",
svcType: v1.ServiceTypeLoadBalancer,
compatibility: "mate",
fqdnTemplate: "{{.Name}}.bar.example.com",
labels: map[string]string{},
annotations: map[string]string{
"zalando.org/dnsname": "mate.example.org.",
},
externalIPs: []string{},
lbs: []string{"1.2.3.4"},
serviceTypesFilter: []string{},
expected: []*endpoint.Endpoint{
{DNSName: "mate.example.org", RecordType: endpoint.RecordTypeA, Targets: endpoint.Targets{"1.2.3.4"}},
},
},
{
title: "not annotated services with unknown tmpl field should not return anything",
svcNamespace: "testing",
svcName: "foo",
svcType: v1.ServiceTypeLoadBalancer,
fqdnTemplate: "{{.Calibre}}.bar.example.com",
labels: map[string]string{},
annotations: map[string]string{},
externalIPs: []string{},
lbs: []string{"1.2.3.4"},
serviceTypesFilter: []string{},
expected: []*endpoint.Endpoint{},
expectError: true,
},
{
title: "ttl not annotated should have RecordTTL.IsConfigured set to false",
svcNamespace: "testing",
svcName: "foo",
svcType: v1.ServiceTypeLoadBalancer,
labels: map[string]string{},
annotations: map[string]string{
hostnameAnnotationKey: "foo.example.org.",
},
externalIPs: []string{},
lbs: []string{"1.2.3.4"},
serviceTypesFilter: []string{},
expected: []*endpoint.Endpoint{
{DNSName: "foo.example.org", RecordType: endpoint.RecordTypeA, Targets: endpoint.Targets{"1.2.3.4"}, RecordTTL: endpoint.TTL(0)},
},
},
{
title: "ttl annotated but invalid should have RecordTTL.IsConfigured set to false",
svcNamespace: "testing",
svcName: "foo",
svcType: v1.ServiceTypeLoadBalancer,
labels: map[string]string{},
annotations: map[string]string{
hostnameAnnotationKey: "foo.example.org.",
ttlAnnotationKey: "foo",
},
externalIPs: []string{},
lbs: []string{"1.2.3.4"},
serviceTypesFilter: []string{},
expected: []*endpoint.Endpoint{
{DNSName: "foo.example.org", RecordType: endpoint.RecordTypeA, Targets: endpoint.Targets{"1.2.3.4"}, RecordTTL: endpoint.TTL(0)},
},
},
{
title: "ttl annotated and is valid should set Record.TTL",
svcNamespace: "testing",
svcName: "foo",
svcType: v1.ServiceTypeLoadBalancer,
labels: map[string]string{},
annotations: map[string]string{
hostnameAnnotationKey: "foo.example.org.",
ttlAnnotationKey: "10",
},
externalIPs: []string{},
lbs: []string{"1.2.3.4"},
serviceTypesFilter: []string{},
expected: []*endpoint.Endpoint{
{DNSName: "foo.example.org", RecordType: endpoint.RecordTypeA, Targets: endpoint.Targets{"1.2.3.4"}, RecordTTL: endpoint.TTL(10)},
},
},
{
title: "ttl annotated (in duration format) and is valid should set Record.TTL",
svcNamespace: "testing",
svcName: "foo",
svcType: v1.ServiceTypeLoadBalancer,
labels: map[string]string{},
annotations: map[string]string{
hostnameAnnotationKey: "foo.example.org.",
ttlAnnotationKey: "1m",
},
externalIPs: []string{},
lbs: []string{"1.2.3.4"},
serviceTypesFilter: []string{},
expected: []*endpoint.Endpoint{
{DNSName: "foo.example.org", RecordType: endpoint.RecordTypeA, Targets: endpoint.Targets{"1.2.3.4"}, RecordTTL: endpoint.TTL(60)},
},
},
{
title: "Negative ttl is not valid",
svcNamespace: "testing",
svcName: "foo",
svcType: v1.ServiceTypeLoadBalancer,
labels: map[string]string{},
annotations: map[string]string{
hostnameAnnotationKey: "foo.example.org.",
ttlAnnotationKey: "-10",
},
externalIPs: []string{},
lbs: []string{"1.2.3.4"},
serviceTypesFilter: []string{},
expected: []*endpoint.Endpoint{
{DNSName: "foo.example.org", RecordType: endpoint.RecordTypeA, Targets: endpoint.Targets{"1.2.3.4"}, RecordTTL: endpoint.TTL(0)},
},
},
{
title: "filter on service types should include matching services",
svcNamespace: "testing",
svcName: "foo",
svcType: v1.ServiceTypeLoadBalancer,
labels: map[string]string{},
annotations: map[string]string{
hostnameAnnotationKey: "foo.example.org.",
},
externalIPs: []string{},
lbs: []string{"1.2.3.4"},
serviceTypesFilter: []string{string(v1.ServiceTypeLoadBalancer)},
expected: []*endpoint.Endpoint{
{DNSName: "foo.example.org", RecordType: endpoint.RecordTypeA, Targets: endpoint.Targets{"1.2.3.4"}},
},
},
{
title: "filter on service types should exclude non-matching services",
svcNamespace: "testing",
svcName: "foo",
svcType: v1.ServiceTypeNodePort,
labels: map[string]string{},
annotations: map[string]string{
hostnameAnnotationKey: "foo.example.org.",
},
externalIPs: []string{},
lbs: []string{"1.2.3.4"},
serviceTypesFilter: []string{string(v1.ServiceTypeLoadBalancer)},
expected: []*endpoint.Endpoint{},
},
{
title: "internal-host annotated and host annotated clusterip services return an endpoint with Cluster IP",
svcNamespace: "testing",
svcName: "foo",
svcType: v1.ServiceTypeClusterIP,
labels: map[string]string{},
annotations: map[string]string{
hostnameAnnotationKey: "foo.example.org.",
internalHostnameAnnotationKey: "foo.internal.example.org.",
},
clusterIP: "1.1.1.1",
externalIPs: []string{},
lbs: []string{"1.2.3.4"},
serviceTypesFilter: []string{},
expected: []*endpoint.Endpoint{
{DNSName: "foo.internal.example.org", RecordType: endpoint.RecordTypeA, Targets: endpoint.Targets{"1.1.1.1"}},
},
},
{
title: "internal-host annotated loadbalancer services return an endpoint with Cluster IP",
svcNamespace: "testing",
svcName: "foo",
svcType: v1.ServiceTypeLoadBalancer,
labels: map[string]string{},
annotations: map[string]string{
internalHostnameAnnotationKey: "foo.internal.example.org.",
},
clusterIP: "1.1.1.1",
externalIPs: []string{},
lbs: []string{"1.2.3.4"},
serviceTypesFilter: []string{},
expected: []*endpoint.Endpoint{
{DNSName: "foo.internal.example.org", RecordType: endpoint.RecordTypeA, Targets: endpoint.Targets{"1.1.1.1"}},
},
},
{
title: "internal-host annotated and host annotated loadbalancer services return an endpoint with Cluster IP and an endpoint with lb IP",
svcNamespace: "testing",
svcName: "foo",
svcType: v1.ServiceTypeLoadBalancer,
labels: map[string]string{},
annotations: map[string]string{
hostnameAnnotationKey: "foo.example.org.",
internalHostnameAnnotationKey: "foo.internal.example.org.",
},
clusterIP: "1.1.1.1",
externalIPs: []string{},
lbs: []string{"1.2.3.4"},
serviceTypesFilter: []string{},
expected: []*endpoint.Endpoint{
{DNSName: "foo.internal.example.org", RecordType: endpoint.RecordTypeA, Targets: endpoint.Targets{"1.1.1.1"}},
{DNSName: "foo.example.org", RecordType: endpoint.RecordTypeA, Targets: endpoint.Targets{"1.2.3.4"}},
},
},
{
title: "service with matching labels and fqdn filter should be included",
svcNamespace: "testing",
svcName: "fqdn",
svcType: v1.ServiceTypeLoadBalancer,
labels: map[string]string{
"app": "web-external",
},
clusterIP: "1.1.1.1",
externalIPs: []string{},
lbs: []string{"1.2.3.4"},
serviceTypesFilter: []string{},
serviceLabelSelector: "app=web-external",
fqdnTemplate: "{{.Name}}.bar.example.com",
expected: []*endpoint.Endpoint{
{DNSName: "fqdn.bar.example.com", RecordType: endpoint.RecordTypeA, Targets: endpoint.Targets{"1.2.3.4"}},
},
},
{
title: "service with matching labels and hostname annotation should be included",
svcNamespace: "testing",
svcName: "foo",
svcType: v1.ServiceTypeLoadBalancer,
labels: map[string]string{
"app": "web-external",
},
clusterIP: "1.1.1.1",
externalIPs: []string{},
lbs: []string{"1.2.3.4"},
serviceTypesFilter: []string{},
serviceLabelSelector: "app=web-external",
annotations: map[string]string{hostnameAnnotationKey: "annotation.bar.example.com"},
expected: []*endpoint.Endpoint{
{DNSName: "annotation.bar.example.com", RecordType: endpoint.RecordTypeA, Targets: endpoint.Targets{"1.2.3.4"}},
},