217f720c72
When the endpoint reconcilers got split out of pkg/controlplane, GetMasterServiceUpdateIfNeeded() got moved to pkg/controlplane/reconcilers, even though it needs to be kept in sync with CreateOrUpdateMasterServiceIfNeeded() which stayed in pkg/controlplane. (And everything else in pkg/controlplane/reconcilers is about the Endpoints not the Service anyway.) So move it back. On the flip side, the implementation of masterCountEndpointReconciler got moved to pkg/controlplane/reconcilers, but its unit tests didn't. So belatedly fix that.
591 lines
19 KiB
Go
591 lines
19 KiB
Go
/*
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Copyright 2014 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 reconcilers
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import (
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"reflect"
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"testing"
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corev1 "k8s.io/api/core/v1"
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discoveryv1 "k8s.io/api/discovery/v1"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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"k8s.io/client-go/kubernetes/fake"
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core "k8s.io/client-go/testing"
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netutils "k8s.io/utils/net"
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)
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func TestMasterCountEndpointReconciler(t *testing.T) {
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ns := metav1.NamespaceDefault
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om := func(name string, skipMirrorLabel bool) metav1.ObjectMeta {
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o := metav1.ObjectMeta{Namespace: ns, Name: name}
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if skipMirrorLabel {
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o.Labels = map[string]string{
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discoveryv1.LabelSkipMirror: "true",
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}
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}
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return o
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}
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reconcileTests := []struct {
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testName string
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serviceName string
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ip string
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endpointPorts []corev1.EndpointPort
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additionalMasters int
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endpoints *corev1.EndpointsList
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expectUpdate *corev1.Endpoints // nil means none expected
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expectCreate *corev1.Endpoints // nil means none expected
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}{
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{
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testName: "no existing endpoints",
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serviceName: "foo",
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ip: "1.2.3.4",
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endpointPorts: []corev1.EndpointPort{{Name: "foo", Port: 8080, Protocol: "TCP"}},
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endpoints: nil,
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expectCreate: &corev1.Endpoints{
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ObjectMeta: om("foo", true),
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Subsets: []corev1.EndpointSubset{{
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Addresses: []corev1.EndpointAddress{{IP: "1.2.3.4"}},
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Ports: []corev1.EndpointPort{{Name: "foo", Port: 8080, Protocol: "TCP"}},
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}},
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},
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},
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{
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testName: "existing endpoints satisfy",
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serviceName: "foo",
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ip: "1.2.3.4",
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endpointPorts: []corev1.EndpointPort{{Name: "foo", Port: 8080, Protocol: "TCP"}},
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endpoints: &corev1.EndpointsList{
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Items: []corev1.Endpoints{{
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ObjectMeta: om("foo", true),
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Subsets: []corev1.EndpointSubset{{
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Addresses: []corev1.EndpointAddress{{IP: "1.2.3.4"}},
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Ports: []corev1.EndpointPort{{Name: "foo", Port: 8080, Protocol: "TCP"}},
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}},
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}},
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},
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},
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{
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testName: "existing endpoints satisfy but too many",
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serviceName: "foo",
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ip: "1.2.3.4",
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endpointPorts: []corev1.EndpointPort{{Name: "foo", Port: 8080, Protocol: "TCP"}},
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endpoints: &corev1.EndpointsList{
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Items: []corev1.Endpoints{{
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ObjectMeta: om("foo", true),
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Subsets: []corev1.EndpointSubset{{
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Addresses: []corev1.EndpointAddress{{IP: "1.2.3.4"}, {IP: "4.3.2.1"}},
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Ports: []corev1.EndpointPort{{Name: "foo", Port: 8080, Protocol: "TCP"}},
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}},
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}},
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},
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expectUpdate: &corev1.Endpoints{
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ObjectMeta: om("foo", true),
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Subsets: []corev1.EndpointSubset{{
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Addresses: []corev1.EndpointAddress{{IP: "1.2.3.4"}},
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Ports: []corev1.EndpointPort{{Name: "foo", Port: 8080, Protocol: "TCP"}},
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}},
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},
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},
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{
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testName: "existing endpoints satisfy but too many + extra masters",
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serviceName: "foo",
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ip: "1.2.3.4",
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endpointPorts: []corev1.EndpointPort{{Name: "foo", Port: 8080, Protocol: "TCP"}},
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additionalMasters: 3,
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endpoints: &corev1.EndpointsList{
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Items: []corev1.Endpoints{{
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ObjectMeta: om("foo", true),
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Subsets: []corev1.EndpointSubset{{
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Addresses: []corev1.EndpointAddress{
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{IP: "1.2.3.4"},
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{IP: "4.3.2.1"},
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{IP: "4.3.2.2"},
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{IP: "4.3.2.3"},
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{IP: "4.3.2.4"},
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},
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Ports: []corev1.EndpointPort{{Name: "foo", Port: 8080, Protocol: "TCP"}},
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}},
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}},
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},
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expectUpdate: &corev1.Endpoints{
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ObjectMeta: om("foo", true),
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Subsets: []corev1.EndpointSubset{{
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Addresses: []corev1.EndpointAddress{
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{IP: "1.2.3.4"},
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{IP: "4.3.2.2"},
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{IP: "4.3.2.3"},
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{IP: "4.3.2.4"},
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},
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Ports: []corev1.EndpointPort{{Name: "foo", Port: 8080, Protocol: "TCP"}},
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}},
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},
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},
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{
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testName: "existing endpoints satisfy but too many + extra masters + delete first",
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serviceName: "foo",
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ip: "4.3.2.4",
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endpointPorts: []corev1.EndpointPort{{Name: "foo", Port: 8080, Protocol: "TCP"}},
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additionalMasters: 3,
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endpoints: &corev1.EndpointsList{
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Items: []corev1.Endpoints{{
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ObjectMeta: om("foo", true),
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Subsets: []corev1.EndpointSubset{{
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Addresses: []corev1.EndpointAddress{
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{IP: "1.2.3.4"},
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{IP: "4.3.2.1"},
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{IP: "4.3.2.2"},
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{IP: "4.3.2.3"},
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{IP: "4.3.2.4"},
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},
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Ports: []corev1.EndpointPort{{Name: "foo", Port: 8080, Protocol: "TCP"}},
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}},
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}},
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},
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expectUpdate: &corev1.Endpoints{
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ObjectMeta: om("foo", true),
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Subsets: []corev1.EndpointSubset{{
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Addresses: []corev1.EndpointAddress{
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{IP: "4.3.2.1"},
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{IP: "4.3.2.2"},
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{IP: "4.3.2.3"},
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{IP: "4.3.2.4"},
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},
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Ports: []corev1.EndpointPort{{Name: "foo", Port: 8080, Protocol: "TCP"}},
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}},
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},
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},
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{
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testName: "existing endpoints satisfy and endpoint addresses length less than master count",
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serviceName: "foo",
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ip: "4.3.2.2",
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endpointPorts: []corev1.EndpointPort{{Name: "foo", Port: 8080, Protocol: "TCP"}},
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additionalMasters: 3,
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endpoints: &corev1.EndpointsList{
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Items: []corev1.Endpoints{{
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ObjectMeta: om("foo", true),
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Subsets: []corev1.EndpointSubset{{
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Addresses: []corev1.EndpointAddress{
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{IP: "4.3.2.1"},
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{IP: "4.3.2.2"},
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},
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Ports: []corev1.EndpointPort{{Name: "foo", Port: 8080, Protocol: "TCP"}},
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}},
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}},
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},
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expectUpdate: nil,
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},
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{
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testName: "existing endpoints current IP missing and address length less than master count",
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serviceName: "foo",
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ip: "4.3.2.2",
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endpointPorts: []corev1.EndpointPort{{Name: "foo", Port: 8080, Protocol: "TCP"}},
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additionalMasters: 3,
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endpoints: &corev1.EndpointsList{
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Items: []corev1.Endpoints{{
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ObjectMeta: om("foo", true),
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Subsets: []corev1.EndpointSubset{{
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Addresses: []corev1.EndpointAddress{
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{IP: "4.3.2.1"},
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},
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Ports: []corev1.EndpointPort{{Name: "foo", Port: 8080, Protocol: "TCP"}},
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}},
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}},
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},
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expectUpdate: &corev1.Endpoints{
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ObjectMeta: om("foo", true),
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Subsets: []corev1.EndpointSubset{{
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Addresses: []corev1.EndpointAddress{
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{IP: "4.3.2.1"},
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{IP: "4.3.2.2"},
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},
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Ports: []corev1.EndpointPort{{Name: "foo", Port: 8080, Protocol: "TCP"}},
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}},
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},
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},
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{
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testName: "existing endpoints wrong name",
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serviceName: "foo",
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ip: "1.2.3.4",
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endpointPorts: []corev1.EndpointPort{{Name: "foo", Port: 8080, Protocol: "TCP"}},
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endpoints: &corev1.EndpointsList{
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Items: []corev1.Endpoints{{
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ObjectMeta: om("bar", true),
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Subsets: []corev1.EndpointSubset{{
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Addresses: []corev1.EndpointAddress{{IP: "1.2.3.4"}},
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Ports: []corev1.EndpointPort{{Name: "foo", Port: 8080, Protocol: "TCP"}},
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}},
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}},
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},
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expectCreate: &corev1.Endpoints{
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ObjectMeta: om("foo", true),
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Subsets: []corev1.EndpointSubset{{
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Addresses: []corev1.EndpointAddress{{IP: "1.2.3.4"}},
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Ports: []corev1.EndpointPort{{Name: "foo", Port: 8080, Protocol: "TCP"}},
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}},
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},
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},
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{
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testName: "existing endpoints wrong IP",
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serviceName: "foo",
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ip: "1.2.3.4",
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endpointPorts: []corev1.EndpointPort{{Name: "foo", Port: 8080, Protocol: "TCP"}},
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endpoints: &corev1.EndpointsList{
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Items: []corev1.Endpoints{{
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ObjectMeta: om("foo", true),
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Subsets: []corev1.EndpointSubset{{
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Addresses: []corev1.EndpointAddress{{IP: "4.3.2.1"}},
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Ports: []corev1.EndpointPort{{Name: "foo", Port: 8080, Protocol: "TCP"}},
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}},
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}},
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},
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expectUpdate: &corev1.Endpoints{
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ObjectMeta: om("foo", true),
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Subsets: []corev1.EndpointSubset{{
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Addresses: []corev1.EndpointAddress{{IP: "1.2.3.4"}},
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Ports: []corev1.EndpointPort{{Name: "foo", Port: 8080, Protocol: "TCP"}},
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}},
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},
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},
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{
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testName: "existing endpoints wrong port",
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serviceName: "foo",
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ip: "1.2.3.4",
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endpointPorts: []corev1.EndpointPort{{Name: "foo", Port: 8080, Protocol: "TCP"}},
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endpoints: &corev1.EndpointsList{
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Items: []corev1.Endpoints{{
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ObjectMeta: om("foo", true),
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Subsets: []corev1.EndpointSubset{{
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Addresses: []corev1.EndpointAddress{{IP: "1.2.3.4"}},
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Ports: []corev1.EndpointPort{{Name: "foo", Port: 9090, Protocol: "TCP"}},
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}},
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}},
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},
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expectUpdate: &corev1.Endpoints{
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ObjectMeta: om("foo", true),
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Subsets: []corev1.EndpointSubset{{
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Addresses: []corev1.EndpointAddress{{IP: "1.2.3.4"}},
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Ports: []corev1.EndpointPort{{Name: "foo", Port: 8080, Protocol: "TCP"}},
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}},
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},
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},
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{
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testName: "existing endpoints wrong protocol",
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serviceName: "foo",
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ip: "1.2.3.4",
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endpointPorts: []corev1.EndpointPort{{Name: "foo", Port: 8080, Protocol: "TCP"}},
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endpoints: &corev1.EndpointsList{
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Items: []corev1.Endpoints{{
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ObjectMeta: om("foo", true),
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Subsets: []corev1.EndpointSubset{{
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Addresses: []corev1.EndpointAddress{{IP: "1.2.3.4"}},
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Ports: []corev1.EndpointPort{{Name: "foo", Port: 8080, Protocol: "UDP"}},
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}},
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}},
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},
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expectUpdate: &corev1.Endpoints{
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ObjectMeta: om("foo", true),
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Subsets: []corev1.EndpointSubset{{
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Addresses: []corev1.EndpointAddress{{IP: "1.2.3.4"}},
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Ports: []corev1.EndpointPort{{Name: "foo", Port: 8080, Protocol: "TCP"}},
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}},
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},
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},
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{
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testName: "existing endpoints wrong port name",
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serviceName: "foo",
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ip: "1.2.3.4",
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endpointPorts: []corev1.EndpointPort{{Name: "baz", Port: 8080, Protocol: "TCP"}},
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endpoints: &corev1.EndpointsList{
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Items: []corev1.Endpoints{{
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ObjectMeta: om("foo", true),
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Subsets: []corev1.EndpointSubset{{
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Addresses: []corev1.EndpointAddress{{IP: "1.2.3.4"}},
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Ports: []corev1.EndpointPort{{Name: "foo", Port: 8080, Protocol: "TCP"}},
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}},
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}},
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},
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expectUpdate: &corev1.Endpoints{
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ObjectMeta: om("foo", true),
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Subsets: []corev1.EndpointSubset{{
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Addresses: []corev1.EndpointAddress{{IP: "1.2.3.4"}},
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Ports: []corev1.EndpointPort{{Name: "baz", Port: 8080, Protocol: "TCP"}},
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}},
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},
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},
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{
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testName: "existing endpoints extra service ports satisfy",
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serviceName: "foo",
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ip: "1.2.3.4",
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endpointPorts: []corev1.EndpointPort{
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{Name: "foo", Port: 8080, Protocol: "TCP"},
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{Name: "bar", Port: 1000, Protocol: "TCP"},
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{Name: "baz", Port: 1010, Protocol: "TCP"},
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},
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endpoints: &corev1.EndpointsList{
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Items: []corev1.Endpoints{{
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ObjectMeta: om("foo", true),
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Subsets: []corev1.EndpointSubset{{
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Addresses: []corev1.EndpointAddress{{IP: "1.2.3.4"}},
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Ports: []corev1.EndpointPort{
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{Name: "foo", Port: 8080, Protocol: "TCP"},
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{Name: "bar", Port: 1000, Protocol: "TCP"},
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{Name: "baz", Port: 1010, Protocol: "TCP"},
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},
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}},
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}},
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},
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},
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{
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testName: "existing endpoints extra service ports missing port",
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serviceName: "foo",
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ip: "1.2.3.4",
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endpointPorts: []corev1.EndpointPort{
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{Name: "foo", Port: 8080, Protocol: "TCP"},
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{Name: "bar", Port: 1000, Protocol: "TCP"},
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},
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endpoints: &corev1.EndpointsList{
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Items: []corev1.Endpoints{{
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ObjectMeta: om("foo", true),
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Subsets: []corev1.EndpointSubset{{
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Addresses: []corev1.EndpointAddress{{IP: "1.2.3.4"}},
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Ports: []corev1.EndpointPort{{Name: "foo", Port: 8080, Protocol: "TCP"}},
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}},
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}},
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},
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expectUpdate: &corev1.Endpoints{
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ObjectMeta: om("foo", true),
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Subsets: []corev1.EndpointSubset{{
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Addresses: []corev1.EndpointAddress{{IP: "1.2.3.4"}},
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Ports: []corev1.EndpointPort{
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{Name: "foo", Port: 8080, Protocol: "TCP"},
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{Name: "bar", Port: 1000, Protocol: "TCP"},
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},
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}},
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},
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},
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{
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testName: "no existing sctp endpoints",
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serviceName: "boo",
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ip: "1.2.3.4",
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endpointPorts: []corev1.EndpointPort{{Name: "boo", Port: 7777, Protocol: "SCTP"}},
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endpoints: nil,
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expectCreate: &corev1.Endpoints{
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ObjectMeta: om("boo", true),
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Subsets: []corev1.EndpointSubset{{
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Addresses: []corev1.EndpointAddress{{IP: "1.2.3.4"}},
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Ports: []corev1.EndpointPort{{Name: "boo", Port: 7777, Protocol: "SCTP"}},
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}},
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},
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},
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}
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for _, test := range reconcileTests {
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fakeClient := fake.NewSimpleClientset()
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if test.endpoints != nil {
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fakeClient = fake.NewSimpleClientset(test.endpoints)
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}
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epAdapter := NewEndpointsAdapter(fakeClient.CoreV1(), nil)
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reconciler := NewMasterCountEndpointReconciler(test.additionalMasters+1, epAdapter)
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err := reconciler.ReconcileEndpoints(test.serviceName, netutils.ParseIPSloppy(test.ip), test.endpointPorts, true)
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if err != nil {
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t.Errorf("case %q: unexpected error: %v", test.testName, err)
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}
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updates := []core.UpdateAction{}
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for _, action := range fakeClient.Actions() {
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if action.GetVerb() != "update" {
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continue
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}
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updates = append(updates, action.(core.UpdateAction))
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}
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if test.expectUpdate != nil {
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if len(updates) != 1 {
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t.Errorf("case %q: unexpected updates: %v", test.testName, updates)
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} else if e, a := test.expectUpdate, updates[0].GetObject(); !reflect.DeepEqual(e, a) {
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t.Errorf("case %q: expected update:\n%#v\ngot:\n%#v\n", test.testName, e, a)
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}
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}
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if test.expectUpdate == nil && len(updates) > 0 {
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t.Errorf("case %q: no update expected, yet saw: %v", test.testName, updates)
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}
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creates := []core.CreateAction{}
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for _, action := range fakeClient.Actions() {
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if action.GetVerb() != "create" {
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continue
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}
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creates = append(creates, action.(core.CreateAction))
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}
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if test.expectCreate != nil {
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if len(creates) != 1 {
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t.Errorf("case %q: unexpected creates: %v", test.testName, creates)
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} else if e, a := test.expectCreate, creates[0].GetObject(); !reflect.DeepEqual(e, a) {
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t.Errorf("case %q: expected create:\n%#v\ngot:\n%#v\n", test.testName, e, a)
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}
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}
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if test.expectCreate == nil && len(creates) > 0 {
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t.Errorf("case %q: no create expected, yet saw: %v", test.testName, creates)
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}
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}
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|
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nonReconcileTests := []struct {
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testName string
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serviceName string
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ip string
|
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endpointPorts []corev1.EndpointPort
|
|
additionalMasters int
|
|
endpoints *corev1.EndpointsList
|
|
expectUpdate *corev1.Endpoints // nil means none expected
|
|
expectCreate *corev1.Endpoints // nil means none expected
|
|
}{
|
|
{
|
|
testName: "existing endpoints extra service ports missing port no update",
|
|
serviceName: "foo",
|
|
ip: "1.2.3.4",
|
|
endpointPorts: []corev1.EndpointPort{
|
|
{Name: "foo", Port: 8080, Protocol: "TCP"},
|
|
{Name: "bar", Port: 1000, Protocol: "TCP"},
|
|
},
|
|
endpoints: &corev1.EndpointsList{
|
|
Items: []corev1.Endpoints{{
|
|
ObjectMeta: om("foo", true),
|
|
Subsets: []corev1.EndpointSubset{{
|
|
Addresses: []corev1.EndpointAddress{{IP: "1.2.3.4"}},
|
|
Ports: []corev1.EndpointPort{{Name: "foo", Port: 8080, Protocol: "TCP"}},
|
|
}},
|
|
}},
|
|
},
|
|
expectUpdate: nil,
|
|
},
|
|
{
|
|
testName: "existing endpoints extra service ports, wrong ports, wrong IP",
|
|
serviceName: "foo",
|
|
ip: "1.2.3.4",
|
|
endpointPorts: []corev1.EndpointPort{
|
|
{Name: "foo", Port: 8080, Protocol: "TCP"},
|
|
{Name: "bar", Port: 1000, Protocol: "TCP"},
|
|
},
|
|
endpoints: &corev1.EndpointsList{
|
|
Items: []corev1.Endpoints{{
|
|
ObjectMeta: om("foo", true),
|
|
Subsets: []corev1.EndpointSubset{{
|
|
Addresses: []corev1.EndpointAddress{{IP: "4.3.2.1"}},
|
|
Ports: []corev1.EndpointPort{{Name: "foo", Port: 8080, Protocol: "TCP"}},
|
|
}},
|
|
}},
|
|
},
|
|
expectUpdate: &corev1.Endpoints{
|
|
ObjectMeta: om("foo", true),
|
|
Subsets: []corev1.EndpointSubset{{
|
|
Addresses: []corev1.EndpointAddress{{IP: "1.2.3.4"}},
|
|
Ports: []corev1.EndpointPort{{Name: "foo", Port: 8080, Protocol: "TCP"}},
|
|
}},
|
|
},
|
|
},
|
|
{
|
|
testName: "no existing endpoints",
|
|
serviceName: "foo",
|
|
ip: "1.2.3.4",
|
|
endpointPorts: []corev1.EndpointPort{{Name: "foo", Port: 8080, Protocol: "TCP"}},
|
|
endpoints: nil,
|
|
expectCreate: &corev1.Endpoints{
|
|
ObjectMeta: om("foo", true),
|
|
Subsets: []corev1.EndpointSubset{{
|
|
Addresses: []corev1.EndpointAddress{{IP: "1.2.3.4"}},
|
|
Ports: []corev1.EndpointPort{{Name: "foo", Port: 8080, Protocol: "TCP"}},
|
|
}},
|
|
},
|
|
},
|
|
}
|
|
for _, test := range nonReconcileTests {
|
|
fakeClient := fake.NewSimpleClientset()
|
|
if test.endpoints != nil {
|
|
fakeClient = fake.NewSimpleClientset(test.endpoints)
|
|
}
|
|
epAdapter := NewEndpointsAdapter(fakeClient.CoreV1(), nil)
|
|
reconciler := NewMasterCountEndpointReconciler(test.additionalMasters+1, epAdapter)
|
|
err := reconciler.ReconcileEndpoints(test.serviceName, netutils.ParseIPSloppy(test.ip), test.endpointPorts, false)
|
|
if err != nil {
|
|
t.Errorf("case %q: unexpected error: %v", test.testName, err)
|
|
}
|
|
|
|
updates := []core.UpdateAction{}
|
|
for _, action := range fakeClient.Actions() {
|
|
if action.GetVerb() != "update" {
|
|
continue
|
|
}
|
|
updates = append(updates, action.(core.UpdateAction))
|
|
}
|
|
if test.expectUpdate != nil {
|
|
if len(updates) != 1 {
|
|
t.Errorf("case %q: unexpected updates: %v", test.testName, updates)
|
|
} else if e, a := test.expectUpdate, updates[0].GetObject(); !reflect.DeepEqual(e, a) {
|
|
t.Errorf("case %q: expected update:\n%#v\ngot:\n%#v\n", test.testName, e, a)
|
|
}
|
|
}
|
|
if test.expectUpdate == nil && len(updates) > 0 {
|
|
t.Errorf("case %q: no update expected, yet saw: %v", test.testName, updates)
|
|
}
|
|
|
|
creates := []core.CreateAction{}
|
|
for _, action := range fakeClient.Actions() {
|
|
if action.GetVerb() != "create" {
|
|
continue
|
|
}
|
|
creates = append(creates, action.(core.CreateAction))
|
|
}
|
|
if test.expectCreate != nil {
|
|
if len(creates) != 1 {
|
|
t.Errorf("case %q: unexpected creates: %v", test.testName, creates)
|
|
} else if e, a := test.expectCreate, creates[0].GetObject(); !reflect.DeepEqual(e, a) {
|
|
t.Errorf("case %q: expected create:\n%#v\ngot:\n%#v\n", test.testName, e, a)
|
|
}
|
|
}
|
|
if test.expectCreate == nil && len(creates) > 0 {
|
|
t.Errorf("case %q: no create expected, yet saw: %v", test.testName, creates)
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
func TestEmptySubsets(t *testing.T) {
|
|
ns := metav1.NamespaceDefault
|
|
om := func(name string) metav1.ObjectMeta {
|
|
return metav1.ObjectMeta{Namespace: ns, Name: name}
|
|
}
|
|
endpoints := &corev1.EndpointsList{
|
|
Items: []corev1.Endpoints{{
|
|
ObjectMeta: om("foo"),
|
|
Subsets: nil,
|
|
}},
|
|
}
|
|
fakeClient := fake.NewSimpleClientset()
|
|
if endpoints != nil {
|
|
fakeClient = fake.NewSimpleClientset(endpoints)
|
|
}
|
|
epAdapter := NewEndpointsAdapter(fakeClient.CoreV1(), nil)
|
|
reconciler := NewMasterCountEndpointReconciler(1, epAdapter)
|
|
endpointPorts := []corev1.EndpointPort{
|
|
{Name: "foo", Port: 8080, Protocol: "TCP"},
|
|
}
|
|
err := reconciler.RemoveEndpoints("foo", netutils.ParseIPSloppy("1.2.3.4"), endpointPorts)
|
|
if err != nil {
|
|
t.Errorf("unexpected error: %v", err)
|
|
}
|
|
}
|