kubernetes endpoints_test 源码
kubernetes endpoints_test 代码
文件路径：/pkg/proxy/endpoints_test.go
/*
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 proxy
import (
"reflect"
"testing"
"time"
"github.com/davecgh/go-spew/spew"
v1 "k8s.io/api/core/v1"
discovery "k8s.io/api/discovery/v1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/types"
"k8s.io/apimachinery/pkg/util/sets"
"k8s.io/utils/pointer"
)
func (proxier *FakeProxier) addEndpoints(endpoints *v1.Endpoints) {
proxier.endpointsChanges.Update(nil, endpoints)
}
func (proxier *FakeProxier) updateEndpoints(oldEndpoints, endpoints *v1.Endpoints) {
proxier.endpointsChanges.Update(oldEndpoints, endpoints)
}
func (proxier *FakeProxier) deleteEndpoints(endpoints *v1.Endpoints) {
proxier.endpointsChanges.Update(endpoints, nil)
}
func TestGetLocalEndpointIPs(t *testing.T) {
testCases := []struct {
endpointsMap EndpointsMap
expected map[types.NamespacedName]sets.String
}{{
// Case[0]: nothing
endpointsMap: EndpointsMap{},
expected: map[types.NamespacedName]sets.String{},
}, {
// Case[1]: unnamed port
endpointsMap: EndpointsMap{
makeServicePortName("ns1", "ep1", "", v1.ProtocolTCP): []Endpoint{
&BaseEndpointInfo{Endpoint: "1.1.1.1:11", IsLocal: false, Ready: true, Serving: true, Terminating: false},
},
},
expected: map[types.NamespacedName]sets.String{},
}, {
// Case[2]: unnamed port local
endpointsMap: EndpointsMap{
makeServicePortName("ns1", "ep1", "", v1.ProtocolTCP): []Endpoint{
&BaseEndpointInfo{Endpoint: "1.1.1.1:11", IsLocal: true, Ready: true, Serving: true, Terminating: false},
},
},
expected: map[types.NamespacedName]sets.String{
{Namespace: "ns1", Name: "ep1"}: sets.NewString("1.1.1.1"),
},
}, {
// Case[3]: named local and non-local ports for the same IP.
endpointsMap: EndpointsMap{
makeServicePortName("ns1", "ep1", "p11", v1.ProtocolTCP): []Endpoint{
&BaseEndpointInfo{Endpoint: "1.1.1.1:11", IsLocal: false, Ready: true, Serving: true, Terminating: false},
&BaseEndpointInfo{Endpoint: "1.1.1.2:11", IsLocal: true, Ready: true, Serving: true, Terminating: false},
},
makeServicePortName("ns1", "ep1", "p12", v1.ProtocolTCP): []Endpoint{
&BaseEndpointInfo{Endpoint: "1.1.1.1:12", IsLocal: false, Ready: true, Serving: true, Terminating: false},
&BaseEndpointInfo{Endpoint: "1.1.1.2:12", IsLocal: true, Ready: true, Serving: true, Terminating: false},
},
},
expected: map[types.NamespacedName]sets.String{
{Namespace: "ns1", Name: "ep1"}: sets.NewString("1.1.1.2"),
},
}, {
// Case[4]: named local and non-local ports for different IPs.
endpointsMap: EndpointsMap{
makeServicePortName("ns1", "ep1", "p11", v1.ProtocolTCP): []Endpoint{
&BaseEndpointInfo{Endpoint: "1.1.1.1:11", IsLocal: false, Ready: true, Serving: true, Terminating: false},
},
makeServicePortName("ns2", "ep2", "p22", v1.ProtocolTCP): []Endpoint{
&BaseEndpointInfo{Endpoint: "2.2.2.2:22", IsLocal: true, Ready: true, Serving: true, Terminating: false},
&BaseEndpointInfo{Endpoint: "2.2.2.22:22", IsLocal: true, Ready: true, Serving: true, Terminating: false},
},
makeServicePortName("ns2", "ep2", "p23", v1.ProtocolTCP): []Endpoint{
&BaseEndpointInfo{Endpoint: "2.2.2.3:23", IsLocal: true, Ready: true, Serving: true, Terminating: false},
},
makeServicePortName("ns4", "ep4", "p44", v1.ProtocolTCP): []Endpoint{
&BaseEndpointInfo{Endpoint: "4.4.4.4:44", IsLocal: true, Ready: true, Serving: true, Terminating: false},
&BaseEndpointInfo{Endpoint: "4.4.4.5:44", IsLocal: false, Ready: true, Serving: true, Terminating: false},
},
makeServicePortName("ns4", "ep4", "p45", v1.ProtocolTCP): []Endpoint{
&BaseEndpointInfo{Endpoint: "4.4.4.6:45", IsLocal: true, Ready: true, Serving: true, Terminating: false},
},
},
expected: map[types.NamespacedName]sets.String{
{Namespace: "ns2", Name: "ep2"}: sets.NewString("2.2.2.2", "2.2.2.22", "2.2.2.3"),
{Namespace: "ns4", Name: "ep4"}: sets.NewString("4.4.4.4", "4.4.4.6"),
},
}, {
// Case[5]: named local and non-local ports for different IPs, some not ready.
endpointsMap: EndpointsMap{
makeServicePortName("ns1", "ep1", "p11", v1.ProtocolTCP): []Endpoint{
&BaseEndpointInfo{Endpoint: "1.1.1.1:11", IsLocal: false, Ready: true, Serving: true, Terminating: false},
},
makeServicePortName("ns2", "ep2", "p22", v1.ProtocolTCP): []Endpoint{
&BaseEndpointInfo{Endpoint: "2.2.2.2:22", IsLocal: true, Ready: true, Serving: true, Terminating: false},
&BaseEndpointInfo{Endpoint: "2.2.2.22:22", IsLocal: true, Ready: true, Serving: true, Terminating: false},
},
makeServicePortName("ns2", "ep2", "p23", v1.ProtocolTCP): []Endpoint{
&BaseEndpointInfo{Endpoint: "2.2.2.3:23", IsLocal: true, Ready: false, Serving: true, Terminating: true},
},
makeServicePortName("ns4", "ep4", "p44", v1.ProtocolTCP): []Endpoint{
&BaseEndpointInfo{Endpoint: "4.4.4.4:44", IsLocal: true, Ready: true, Serving: true, Terminating: false},
&BaseEndpointInfo{Endpoint: "4.4.4.5:44", IsLocal: false, Ready: true, Serving: true, Terminating: false},
},
makeServicePortName("ns4", "ep4", "p45", v1.ProtocolTCP): []Endpoint{
&BaseEndpointInfo{Endpoint: "4.4.4.6:45", IsLocal: true, Ready: true, Serving: true, Terminating: false},
},
},
expected: map[types.NamespacedName]sets.String{
{Namespace: "ns2", Name: "ep2"}: sets.NewString("2.2.2.2", "2.2.2.22"),
{Namespace: "ns4", Name: "ep4"}: sets.NewString("4.4.4.4", "4.4.4.6"),
},
}, {
// Case[6]: all endpoints are terminating,, so getLocalReadyEndpointIPs should return 0 ready endpoints
endpointsMap: EndpointsMap{
makeServicePortName("ns1", "ep1", "p11", v1.ProtocolTCP): []Endpoint{
&BaseEndpointInfo{Endpoint: "1.1.1.1:11", IsLocal: false, Ready: false, Serving: true, Terminating: true},
},
makeServicePortName("ns2", "ep2", "p22", v1.ProtocolTCP): []Endpoint{
&BaseEndpointInfo{Endpoint: "2.2.2.2:22", IsLocal: true, Ready: false, Serving: true, Terminating: true},
&BaseEndpointInfo{Endpoint: "2.2.2.22:22", IsLocal: true, Ready: false, Serving: true, Terminating: true},
},
makeServicePortName("ns2", "ep2", "p23", v1.ProtocolTCP): []Endpoint{
&BaseEndpointInfo{Endpoint: "2.2.2.3:23", IsLocal: true, Ready: false, Serving: true, Terminating: true},
},
makeServicePortName("ns4", "ep4", "p44", v1.ProtocolTCP): []Endpoint{
&BaseEndpointInfo{Endpoint: "4.4.4.4:44", IsLocal: true, Ready: false, Serving: true, Terminating: true},
&BaseEndpointInfo{Endpoint: "4.4.4.5:44", IsLocal: false, Ready: false, Serving: true, Terminating: true},
},
makeServicePortName("ns4", "ep4", "p45", v1.ProtocolTCP): []Endpoint{
&BaseEndpointInfo{Endpoint: "4.4.4.6:45", IsLocal: true, Ready: false, Serving: true, Terminating: true},
},
},
expected: make(map[types.NamespacedName]sets.String, 0),
}}
for tci, tc := range testCases {
// outputs
localIPs := tc.endpointsMap.getLocalReadyEndpointIPs()
if !reflect.DeepEqual(localIPs, tc.expected) {
t.Errorf("[%d] expected %#v, got %#v", tci, tc.expected, localIPs)
}
}
}
func makeTestEndpoints(namespace, name string, eptFunc func(*v1.Endpoints)) *v1.Endpoints {
ept := &v1.Endpoints{
ObjectMeta: metav1.ObjectMeta{
Name: name,
Namespace: namespace,
Annotations: make(map[string]string),
},
}
eptFunc(ept)
return ept
}
// This is a coarse test, but it offers some modicum of confidence as the code is evolved.
func TestEndpointsToEndpointsMap(t *testing.T) {
testCases := []struct {
desc string
newEndpoints *v1.Endpoints
expected map[ServicePortName][]*BaseEndpointInfo
isIPv6Mode *bool
ipFamily v1.IPFamily
}{
{
desc: "nothing",
ipFamily: v1.IPv4Protocol,
newEndpoints: makeTestEndpoints("ns1", "ep1", func(ept *v1.Endpoints) {}),
expected: map[ServicePortName][]*BaseEndpointInfo{},
},
{
desc: "no changes, unnamed port",
ipFamily: v1.IPv4Protocol,
newEndpoints: makeTestEndpoints("ns1", "ep1", func(ept *v1.Endpoints) {
ept.Subsets = []v1.EndpointSubset{
{
Addresses: []v1.EndpointAddress{{
IP: "1.1.1.1",
}},
Ports: []v1.EndpointPort{{
Name: "",
Port: 11,
Protocol: v1.ProtocolTCP,
}},
},
}
}),
expected: map[ServicePortName][]*BaseEndpointInfo{
makeServicePortName("ns1", "ep1", "", v1.ProtocolTCP): {
{Endpoint: "1.1.1.1:11", IsLocal: false, Ready: true, Serving: true, Terminating: false, ZoneHints: sets.String{}},
},
},
},
{
desc: "no changes, named port",
ipFamily: v1.IPv4Protocol,
newEndpoints: makeTestEndpoints("ns1", "ep1", func(ept *v1.Endpoints) {
ept.Subsets = []v1.EndpointSubset{
{
Addresses: []v1.EndpointAddress{{
IP: "1.1.1.1",
}},
Ports: []v1.EndpointPort{{
Name: "port",
Port: 11,
Protocol: v1.ProtocolTCP,
}},
},
}
}),
expected: map[ServicePortName][]*BaseEndpointInfo{
makeServicePortName("ns1", "ep1", "port", v1.ProtocolTCP): {
{Endpoint: "1.1.1.1:11", IsLocal: false, Ready: true, Serving: true, Terminating: false, ZoneHints: sets.String{}},
},
},
},
{
desc: "new port",
ipFamily: v1.IPv4Protocol,
newEndpoints: makeTestEndpoints("ns1", "ep1", func(ept *v1.Endpoints) {
ept.Subsets = []v1.EndpointSubset{
{
Addresses: []v1.EndpointAddress{{
IP: "1.1.1.1",
}},
Ports: []v1.EndpointPort{{
Port: 11,
Protocol: v1.ProtocolTCP,
}},
},
}
}),
expected: map[ServicePortName][]*BaseEndpointInfo{
makeServicePortName("ns1", "ep1", "", v1.ProtocolTCP): {
{Endpoint: "1.1.1.1:11", IsLocal: false, Ready: true, Serving: true, Terminating: false, ZoneHints: sets.String{}},
},
},
},
{
desc: "remove port",
ipFamily: v1.IPv4Protocol,
newEndpoints: makeTestEndpoints("ns1", "ep1", func(ept *v1.Endpoints) {}),
expected: map[ServicePortName][]*BaseEndpointInfo{},
},
{
desc: "new IP and port",
ipFamily: v1.IPv4Protocol,
newEndpoints: makeTestEndpoints("ns1", "ep1", func(ept *v1.Endpoints) {
ept.Subsets = []v1.EndpointSubset{
{
Addresses: []v1.EndpointAddress{{
IP: "1.1.1.1",
}, {
IP: "2.2.2.2",
}},
Ports: []v1.EndpointPort{{
Name: "p1",
Port: 11,
Protocol: v1.ProtocolTCP,
}, {
Name: "p2",
Port: 22,
Protocol: v1.ProtocolTCP,
}},
},
}
}),
expected: map[ServicePortName][]*BaseEndpointInfo{
makeServicePortName("ns1", "ep1", "p1", v1.ProtocolTCP): {
{Endpoint: "1.1.1.1:11", IsLocal: false, Ready: true, Serving: true, Terminating: false, ZoneHints: sets.String{}},
{Endpoint: "2.2.2.2:11", IsLocal: false, Ready: true, Serving: true, Terminating: false, ZoneHints: sets.String{}},
},
makeServicePortName("ns1", "ep1", "p2", v1.ProtocolTCP): {
{Endpoint: "1.1.1.1:22", IsLocal: false, Ready: true, Serving: true, Terminating: false, ZoneHints: sets.String{}},
{Endpoint: "2.2.2.2:22", IsLocal: false, Ready: true, Serving: true, Terminating: false, ZoneHints: sets.String{}},
},
},
},
{
desc: "remove IP and port",
ipFamily: v1.IPv4Protocol,
newEndpoints: makeTestEndpoints("ns1", "ep1", func(ept *v1.Endpoints) {
ept.Subsets = []v1.EndpointSubset{
{
Addresses: []v1.EndpointAddress{{
IP: "1.1.1.1",
}},
Ports: []v1.EndpointPort{{
Name: "p1",
Port: 11,
Protocol: v1.ProtocolTCP,
}},
},
}
}),
expected: map[ServicePortName][]*BaseEndpointInfo{
makeServicePortName("ns1", "ep1", "p1", v1.ProtocolTCP): {
{Endpoint: "1.1.1.1:11", IsLocal: false, Ready: true, Serving: true, Terminating: false, ZoneHints: sets.String{}},
},
},
},
{
desc: "rename port",
ipFamily: v1.IPv4Protocol,
newEndpoints: makeTestEndpoints("ns1", "ep1", func(ept *v1.Endpoints) {
ept.Subsets = []v1.EndpointSubset{
{
Addresses: []v1.EndpointAddress{{
IP: "1.1.1.1",
}},
Ports: []v1.EndpointPort{{
Name: "p2",
Port: 11,
Protocol: v1.ProtocolTCP,
}},
},
}
}),
expected: map[ServicePortName][]*BaseEndpointInfo{
makeServicePortName("ns1", "ep1", "p2", v1.ProtocolTCP): {
{Endpoint: "1.1.1.1:11", IsLocal: false, Ready: true, Serving: true, Terminating: false, ZoneHints: sets.String{}},
},
},
},
{
desc: "renumber port",
ipFamily: v1.IPv4Protocol,
newEndpoints: makeTestEndpoints("ns1", "ep1", func(ept *v1.Endpoints) {
ept.Subsets = []v1.EndpointSubset{
{
Addresses: []v1.EndpointAddress{{
IP: "1.1.1.1",
}},
Ports: []v1.EndpointPort{{
Name: "p1",
Port: 22,
Protocol: v1.ProtocolTCP,
}},
},
}
}),
expected: map[ServicePortName][]*BaseEndpointInfo{
makeServicePortName("ns1", "ep1", "p1", v1.ProtocolTCP): {
{Endpoint: "1.1.1.1:22", IsLocal: false, Ready: true, Serving: true, Terminating: false, ZoneHints: sets.String{}},
},
},
},
{
desc: "should omit IPv6 address in IPv4 mode",
ipFamily: v1.IPv4Protocol,
newEndpoints: makeTestEndpoints("ns1", "ep1", func(ept *v1.Endpoints) {
ept.Subsets = []v1.EndpointSubset{
{
Addresses: []v1.EndpointAddress{{
IP: "1.1.1.1",
}, {
IP: "2001:db8:85a3:0:0:8a2e:370:7334",
}},
Ports: []v1.EndpointPort{{
Name: "p1",
Port: 11,
Protocol: v1.ProtocolTCP,
}, {
Name: "p2",
Port: 22,
Protocol: v1.ProtocolTCP,
}},
},
}
}),
expected: map[ServicePortName][]*BaseEndpointInfo{
makeServicePortName("ns1", "ep1", "p1", v1.ProtocolTCP): {
{Endpoint: "1.1.1.1:11", IsLocal: false, Ready: true, Serving: true, Terminating: false, ZoneHints: sets.String{}},
},
makeServicePortName("ns1", "ep1", "p2", v1.ProtocolTCP): {
{Endpoint: "1.1.1.1:22", IsLocal: false, Ready: true, Serving: true, Terminating: false, ZoneHints: sets.String{}},
},
},
},
{
desc: "should omit IPv4 address in IPv6 mode",
ipFamily: v1.IPv6Protocol,
newEndpoints: makeTestEndpoints("ns1", "ep1", func(ept *v1.Endpoints) {
ept.Subsets = []v1.EndpointSubset{
{
Addresses: []v1.EndpointAddress{{
IP: "1.1.1.1",
}, {
IP: "2001:db8:85a3:0:0:8a2e:370:7334",
}},
Ports: []v1.EndpointPort{{
Name: "p1",
Port: 11,
Protocol: v1.ProtocolTCP,
}, {
Name: "p2",
Port: 22,
Protocol: v1.ProtocolTCP,
}},
},
}
}),
expected: map[ServicePortName][]*BaseEndpointInfo{
makeServicePortName("ns1", "ep1", "p1", v1.ProtocolTCP): {
{Endpoint: "[2001:db8:85a3:0:0:8a2e:370:7334]:11", IsLocal: false, Ready: true, Serving: true, Terminating: false, ZoneHints: sets.String{}},
},
makeServicePortName("ns1", "ep1", "p2", v1.ProtocolTCP): {
{Endpoint: "[2001:db8:85a3:0:0:8a2e:370:7334]:22", IsLocal: false, Ready: true, Serving: true, Terminating: false, ZoneHints: sets.String{}},
},
},
},
}
for _, tc := range testCases {
t.Run(tc.desc, func(t *testing.T) {
epTracker := NewEndpointChangeTracker("test-hostname", nil, tc.ipFamily, nil, nil)
// outputs
newEndpoints := epTracker.endpointsToEndpointsMap(tc.newEndpoints)
if len(newEndpoints) != len(tc.expected) {
t.Fatalf("[%s] expected %d new, got %d: %v", tc.desc, len(tc.expected), len(newEndpoints), spew.Sdump(newEndpoints))
}
for x := range tc.expected {
if len(newEndpoints[x]) != len(tc.expected[x]) {
t.Fatalf("[%s] expected %d endpoints for %v, got %d", tc.desc, len(tc.expected[x]), x, len(newEndpoints[x]))
} else {
for i := range newEndpoints[x] {
ep := newEndpoints[x][i].(*BaseEndpointInfo)
if !(reflect.DeepEqual(*ep, *(tc.expected[x][i]))) {
t.Fatalf("[%s] expected new[%v][%d] to be %v, got %v", tc.desc, x, i, tc.expected[x][i], *ep)
}
}
}
}
})
}
}
func TestUpdateEndpointsMap(t *testing.T) {
var nodeName = testHostname
emptyEndpoint := func(ept *v1.Endpoints) {
ept.Subsets = []v1.EndpointSubset{}
}
unnamedPort := func(ept *v1.Endpoints) {
ept.Subsets = []v1.EndpointSubset{{
Addresses: []v1.EndpointAddress{{
IP: "1.1.1.1",
}},
Ports: []v1.EndpointPort{{
Port: 11,
Protocol: v1.ProtocolUDP,
}},
}}
}
unnamedPortLocal := func(ept *v1.Endpoints) {
ept.Subsets = []v1.EndpointSubset{{
Addresses: []v1.EndpointAddress{{
IP: "1.1.1.1",
NodeName: &nodeName,
}},
Ports: []v1.EndpointPort{{
Port: 11,
Protocol: v1.ProtocolUDP,
}},
}}
}
namedPortLocal := func(ept *v1.Endpoints) {
ept.Subsets = []v1.EndpointSubset{{
Addresses: []v1.EndpointAddress{{
IP: "1.1.1.1",
NodeName: &nodeName,
}},
Ports: []v1.EndpointPort{{
Name: "p11",
Port: 11,
Protocol: v1.ProtocolUDP,
}},
}}
}
namedPort := func(ept *v1.Endpoints) {
ept.Subsets = []v1.EndpointSubset{{
Addresses: []v1.EndpointAddress{{
IP: "1.1.1.1",
}},
Ports: []v1.EndpointPort{{
Name: "p11",
Port: 11,
Protocol: v1.ProtocolUDP,
}},
}}
}
namedPortRenamed := func(ept *v1.Endpoints) {
ept.Subsets = []v1.EndpointSubset{{
Addresses: []v1.EndpointAddress{{
IP: "1.1.1.1",
}},
Ports: []v1.EndpointPort{{
Name: "p11-2",
Port: 11,
Protocol: v1.ProtocolUDP,
}},
}}
}
namedPortRenumbered := func(ept *v1.Endpoints) {
ept.Subsets = []v1.EndpointSubset{{
Addresses: []v1.EndpointAddress{{
IP: "1.1.1.1",
}},
Ports: []v1.EndpointPort{{
Name: "p11",
Port: 22,
Protocol: v1.ProtocolUDP,
}},
}}
}
namedPortsLocalNoLocal := func(ept *v1.Endpoints) {
ept.Subsets = []v1.EndpointSubset{{
Addresses: []v1.EndpointAddress{{
IP: "1.1.1.1",
}, {
IP: "1.1.1.2",
NodeName: &nodeName,
}},
Ports: []v1.EndpointPort{{
Name: "p11",
Port: 11,
Protocol: v1.ProtocolUDP,
}, {
Name: "p12",
Port: 12,
Protocol: v1.ProtocolUDP,
}},
}}
}
multipleSubsets := func(ept *v1.Endpoints) {
ept.Subsets = []v1.EndpointSubset{{
Addresses: []v1.EndpointAddress{{
IP: "1.1.1.1",
}},
Ports: []v1.EndpointPort{{
Name: "p11",
Port: 11,
Protocol: v1.ProtocolUDP,
}},
}, {
Addresses: []v1.EndpointAddress{{
IP: "1.1.1.2",
}},
Ports: []v1.EndpointPort{{
Name: "p12",
Port: 12,
Protocol: v1.ProtocolUDP,
}},
}}
}
multipleSubsetsWithLocal := func(ept *v1.Endpoints) {
ept.Subsets = []v1.EndpointSubset{{
Addresses: []v1.EndpointAddress{{
IP: "1.1.1.1",
}},
Ports: []v1.EndpointPort{{
Name: "p11",
Port: 11,
Protocol: v1.ProtocolUDP,
}},
}, {
Addresses: []v1.EndpointAddress{{
IP: "1.1.1.2",
NodeName: &nodeName,
}},
Ports: []v1.EndpointPort{{
Name: "p12",
Port: 12,
Protocol: v1.ProtocolUDP,
}},
}}
}
multipleSubsetsMultiplePortsLocal := func(ept *v1.Endpoints) {
ept.Subsets = []v1.EndpointSubset{{
Addresses: []v1.EndpointAddress{{
IP: "1.1.1.1",
NodeName: &nodeName,
}},
Ports: []v1.EndpointPort{{
Name: "p11",
Port: 11,
Protocol: v1.ProtocolUDP,
}, {
Name: "p12",
Port: 12,
Protocol: v1.ProtocolUDP,
}},
}, {
Addresses: []v1.EndpointAddress{{
IP: "1.1.1.3",
}},
Ports: []v1.EndpointPort{{
Name: "p13",
Port: 13,
Protocol: v1.ProtocolUDP,
}},
}}
}
multipleSubsetsIPsPorts1 := func(ept *v1.Endpoints) {
ept.Subsets = []v1.EndpointSubset{{
Addresses: []v1.EndpointAddress{{
IP: "1.1.1.1",
}, {
IP: "1.1.1.2",
NodeName: &nodeName,
}},
Ports: []v1.EndpointPort{{
Name: "p11",
Port: 11,
Protocol: v1.ProtocolUDP,
}, {
Name: "p12",
Port: 12,
Protocol: v1.ProtocolUDP,
}},
}, {
Addresses: []v1.EndpointAddress{{
IP: "1.1.1.3",
}, {
IP: "1.1.1.4",
NodeName: &nodeName,
}},
Ports: []v1.EndpointPort{{
Name: "p13",
Port: 13,
Protocol: v1.ProtocolUDP,
}, {
Name: "p14",
Port: 14,
Protocol: v1.ProtocolUDP,
}},
}}
}
multipleSubsetsIPsPorts2 := func(ept *v1.Endpoints) {
ept.Subsets = []v1.EndpointSubset{{
Addresses: []v1.EndpointAddress{{
IP: "2.2.2.1",
}, {
IP: "2.2.2.2",
NodeName: &nodeName,
}},
Ports: []v1.EndpointPort{{
Name: "p21",
Port: 21,
Protocol: v1.ProtocolUDP,
}, {
Name: "p22",
Port: 22,
Protocol: v1.ProtocolUDP,
}},
}}
}
complexBefore1 := func(ept *v1.Endpoints) {
ept.Subsets = []v1.EndpointSubset{{
Addresses: []v1.EndpointAddress{{
IP: "1.1.1.1",
}},
Ports: []v1.EndpointPort{{
Name: "p11",
Port: 11,
Protocol: v1.ProtocolUDP,
}},
}}
}
complexBefore2 := func(ept *v1.Endpoints) {
ept.Subsets = []v1.EndpointSubset{{
Addresses: []v1.EndpointAddress{{
IP: "2.2.2.2",
NodeName: &nodeName,
}, {
IP: "2.2.2.22",
NodeName: &nodeName,
}},
Ports: []v1.EndpointPort{{
Name: "p22",
Port: 22,
Protocol: v1.ProtocolUDP,
}},
}, {
Addresses: []v1.EndpointAddress{{
IP: "2.2.2.3",
NodeName: &nodeName,
}},
Ports: []v1.EndpointPort{{
Name: "p23",
Port: 23,
Protocol: v1.ProtocolUDP,
}},
}}
}
complexBefore4 := func(ept *v1.Endpoints) {
ept.Subsets = []v1.EndpointSubset{{
Addresses: []v1.EndpointAddress{{
IP: "4.4.4.4",
NodeName: &nodeName,
}, {
IP: "4.4.4.5",
NodeName: &nodeName,
}},
Ports: []v1.EndpointPort{{
Name: "p44",
Port: 44,
Protocol: v1.ProtocolUDP,
}},
}, {
Addresses: []v1.EndpointAddress{{
IP: "4.4.4.6",
NodeName: &nodeName,
}},
Ports: []v1.EndpointPort{{
Name: "p45",
Port: 45,
Protocol: v1.ProtocolUDP,
}},
}}
}
complexAfter1 := func(ept *v1.Endpoints) {
ept.Subsets = []v1.EndpointSubset{{
Addresses: []v1.EndpointAddress{{
IP: "1.1.1.1",
}, {
IP: "1.1.1.11",
}},
Ports: []v1.EndpointPort{{
Name: "p11",
Port: 11,
Protocol: v1.ProtocolUDP,
}},
}, {
Addresses: []v1.EndpointAddress{{
IP: "1.1.1.2",
}},
Ports: []v1.EndpointPort{{
Name: "p12",
Port: 12,
Protocol: v1.ProtocolUDP,
}, {
Name: "p122",
Port: 122,
Protocol: v1.ProtocolUDP,
}},
}}
}
complexAfter3 := func(ept *v1.Endpoints) {
ept.Subsets = []v1.EndpointSubset{{
Addresses: []v1.EndpointAddress{{
IP: "3.3.3.3",
}},
Ports: []v1.EndpointPort{{
Name: "p33",
Port: 33,
Protocol: v1.ProtocolUDP,
}},
}}
}
complexAfter4 := func(ept *v1.Endpoints) {
ept.Subsets = []v1.EndpointSubset{{
Addresses: []v1.EndpointAddress{{
IP: "4.4.4.4",
NodeName: &nodeName,
}},
Ports: []v1.EndpointPort{{
Name: "p44",
Port: 44,
Protocol: v1.ProtocolUDP,
}},
}}
}
testCases := []struct {
// previousEndpoints and currentEndpoints are used to call appropriate
// handlers OnEndpoints* (based on whether corresponding values are nil
// or non-nil) and must be of equal length.
name string
previousEndpoints []*v1.Endpoints
currentEndpoints []*v1.Endpoints
oldEndpoints map[ServicePortName][]*BaseEndpointInfo
expectedResult map[ServicePortName][]*BaseEndpointInfo
expectedStaleEndpoints []ServiceEndpoint
expectedStaleServiceNames map[ServicePortName]bool
expectedHealthchecks map[types.NamespacedName]int
}{{
name: "empty",
oldEndpoints: map[ServicePortName][]*BaseEndpointInfo{},
expectedResult: map[ServicePortName][]*BaseEndpointInfo{},
expectedStaleEndpoints: []ServiceEndpoint{},
expectedStaleServiceNames: map[ServicePortName]bool{},
expectedHealthchecks: map[types.NamespacedName]int{},
}, {
name: "no change, unnamed port",
previousEndpoints: []*v1.Endpoints{
makeTestEndpoints("ns1", "ep1", unnamedPort),
},
currentEndpoints: []*v1.Endpoints{
makeTestEndpoints("ns1", "ep1", unnamedPort),
},
oldEndpoints: map[ServicePortName][]*BaseEndpointInfo{
makeServicePortName("ns1", "ep1", "", v1.ProtocolUDP): {
{Endpoint: "1.1.1.1:11", IsLocal: false, Ready: true, Serving: true, Terminating: false},
},
},
expectedResult: map[ServicePortName][]*BaseEndpointInfo{
makeServicePortName("ns1", "ep1", "", v1.ProtocolUDP): {
{Endpoint: "1.1.1.1:11", IsLocal: false, Ready: true, Serving: true, Terminating: false},
},
},
expectedStaleEndpoints: []ServiceEndpoint{},
expectedStaleServiceNames: map[ServicePortName]bool{},
expectedHealthchecks: map[types.NamespacedName]int{},
}, {
name: "no change, named port, local",
previousEndpoints: []*v1.Endpoints{
makeTestEndpoints("ns1", "ep1", namedPortLocal),
},
currentEndpoints: []*v1.Endpoints{
makeTestEndpoints("ns1", "ep1", namedPortLocal),
},
oldEndpoints: map[ServicePortName][]*BaseEndpointInfo{
makeServicePortName("ns1", "ep1", "p11", v1.ProtocolUDP): {
{Endpoint: "1.1.1.1:11", IsLocal: true, Ready: true, Serving: true, Terminating: false},
},
},
expectedResult: map[ServicePortName][]*BaseEndpointInfo{
makeServicePortName("ns1", "ep1", "p11", v1.ProtocolUDP): {
{Endpoint: "1.1.1.1:11", IsLocal: true, Ready: true, Serving: true, Terminating: false},
},
},
expectedStaleEndpoints: []ServiceEndpoint{},
expectedStaleServiceNames: map[ServicePortName]bool{},
expectedHealthchecks: map[types.NamespacedName]int{
makeNSN("ns1", "ep1"): 1,
},
}, {
name: "no change, multiple subsets",
previousEndpoints: []*v1.Endpoints{
makeTestEndpoints("ns1", "ep1", multipleSubsets),
},
currentEndpoints: []*v1.Endpoints{
makeTestEndpoints("ns1", "ep1", multipleSubsets),
},
oldEndpoints: map[ServicePortName][]*BaseEndpointInfo{
makeServicePortName("ns1", "ep1", "p11", v1.ProtocolUDP): {
{Endpoint: "1.1.1.1:11", IsLocal: false, Ready: true, Serving: true, Terminating: false},
},
makeServicePortName("ns1", "ep1", "p12", v1.ProtocolUDP): {
{Endpoint: "1.1.1.2:12", IsLocal: false, Ready: true, Serving: true, Terminating: false},
},
},
expectedResult: map[ServicePortName][]*BaseEndpointInfo{
makeServicePortName("ns1", "ep1", "p11", v1.ProtocolUDP): {
{Endpoint: "1.1.1.1:11", IsLocal: false, Ready: true, Serving: true, Terminating: false},
},
makeServicePortName("ns1", "ep1", "p12", v1.ProtocolUDP): {
{Endpoint: "1.1.1.2:12", IsLocal: false, Ready: true, Serving: true, Terminating: false},
},
},
expectedStaleEndpoints: []ServiceEndpoint{},
expectedStaleServiceNames: map[ServicePortName]bool{},
expectedHealthchecks: map[types.NamespacedName]int{},
}, {
name: "no change, multiple subsets, multiple ports, local",
previousEndpoints: []*v1.Endpoints{
makeTestEndpoints("ns1", "ep1", multipleSubsetsMultiplePortsLocal),
},
currentEndpoints: []*v1.Endpoints{
makeTestEndpoints("ns1", "ep1", multipleSubsetsMultiplePortsLocal),
},
oldEndpoints: map[ServicePortName][]*BaseEndpointInfo{
makeServicePortName("ns1", "ep1", "p11", v1.ProtocolUDP): {
{Endpoint: "1.1.1.1:11", IsLocal: true, Ready: true, Serving: true, Terminating: false},
},
makeServicePortName("ns1", "ep1", "p12", v1.ProtocolUDP): {
{Endpoint: "1.1.1.1:12", IsLocal: true, Ready: true, Serving: true, Terminating: false},
},
makeServicePortName("ns1", "ep1", "p13", v1.ProtocolUDP): {
{Endpoint: "1.1.1.3:13", IsLocal: false, Ready: true, Serving: true, Terminating: false},
},
},
expectedResult: map[ServicePortName][]*BaseEndpointInfo{
makeServicePortName("ns1", "ep1", "p11", v1.ProtocolUDP): {
{Endpoint: "1.1.1.1:11", IsLocal: true, Ready: true, Serving: true, Terminating: false},
},
makeServicePortName("ns1", "ep1", "p12", v1.ProtocolUDP): {
{Endpoint: "1.1.1.1:12", IsLocal: true, Ready: true, Serving: true, Terminating: false},
},
makeServicePortName("ns1", "ep1", "p13", v1.ProtocolUDP): {
{Endpoint: "1.1.1.3:13", IsLocal: false, Ready: true, Serving: true, Terminating: false},
},
},
expectedStaleEndpoints: []ServiceEndpoint{},
expectedStaleServiceNames: map[ServicePortName]bool{},
expectedHealthchecks: map[types.NamespacedName]int{
makeNSN("ns1", "ep1"): 1,
},
}, {
name: "no change, multiple endpoints, subsets, IPs, and ports",
previousEndpoints: []*v1.Endpoints{
makeTestEndpoints("ns1", "ep1", multipleSubsetsIPsPorts1),
makeTestEndpoints("ns2", "ep2", multipleSubsetsIPsPorts2),
},
currentEndpoints: []*v1.Endpoints{
makeTestEndpoints("ns1", "ep1", multipleSubsetsIPsPorts1),
makeTestEndpoints("ns2", "ep2", multipleSubsetsIPsPorts2),
},
oldEndpoints: map[ServicePortName][]*BaseEndpointInfo{
makeServicePortName("ns1", "ep1", "p11", v1.ProtocolUDP): {
{Endpoint: "1.1.1.1:11", IsLocal: false, Ready: true, Serving: true, Terminating: false},
{Endpoint: "1.1.1.2:11", IsLocal: true, Ready: true, Serving: true, Terminating: false},
},
makeServicePortName("ns1", "ep1", "p12", v1.ProtocolUDP): {
{Endpoint: "1.1.1.1:12", IsLocal: false, Ready: true, Serving: true, Terminating: false},
{Endpoint: "1.1.1.2:12", IsLocal: true, Ready: true, Serving: true, Terminating: false},
},
makeServicePortName("ns1", "ep1", "p13", v1.ProtocolUDP): {
{Endpoint: "1.1.1.3:13", IsLocal: false, Ready: true, Serving: true, Terminating: false},
{Endpoint: "1.1.1.4:13", IsLocal: true, Ready: true, Serving: true, Terminating: false},
},
makeServicePortName("ns1", "ep1", "p14", v1.ProtocolUDP): {
{Endpoint: "1.1.1.3:14", IsLocal: false, Ready: true, Serving: true, Terminating: false},
{Endpoint: "1.1.1.4:14", IsLocal: true, Ready: true, Serving: true, Terminating: false},
},
makeServicePortName("ns2", "ep2", "p21", v1.ProtocolUDP): {
{Endpoint: "2.2.2.1:21", IsLocal: false, Ready: true, Serving: true, Terminating: false},
{Endpoint: "2.2.2.2:21", IsLocal: true, Ready: true, Serving: true, Terminating: false},
},
makeServicePortName("ns2", "ep2", "p22", v1.ProtocolUDP): {
{Endpoint: "2.2.2.1:22", IsLocal: false, Ready: true, Serving: true, Terminating: false},
{Endpoint: "2.2.2.2:22", IsLocal: true, Ready: true, Serving: true, Terminating: false},
},
},
expectedResult: map[ServicePortName][]*BaseEndpointInfo{
makeServicePortName("ns1", "ep1", "p11", v1.ProtocolUDP): {
{Endpoint: "1.1.1.1:11", IsLocal: false, Ready: true, Serving: true, Terminating: false},
{Endpoint: "1.1.1.2:11", IsLocal: true, Ready: true, Serving: true, Terminating: false},
},
makeServicePortName("ns1", "ep1", "p12", v1.ProtocolUDP): {
{Endpoint: "1.1.1.1:12", IsLocal: false, Ready: true, Serving: true, Terminating: false},
{Endpoint: "1.1.1.2:12", IsLocal: true, Ready: true, Serving: true, Terminating: false},
},
makeServicePortName("ns1", "ep1", "p13", v1.ProtocolUDP): {
{Endpoint: "1.1.1.3:13", IsLocal: false, Ready: true, Serving: true, Terminating: false},
{Endpoint: "1.1.1.4:13", IsLocal: true, Ready: true, Serving: true, Terminating: false},
},
makeServicePortName("ns1", "ep1", "p14", v1.ProtocolUDP): {
{Endpoint: "1.1.1.3:14", IsLocal: false, Ready: true, Serving: true, Terminating: false},
{Endpoint: "1.1.1.4:14", IsLocal: true, Ready: true, Serving: true, Terminating: false},
},
makeServicePortName("ns2", "ep2", "p21", v1.ProtocolUDP): {
{Endpoint: "2.2.2.1:21", IsLocal: false, Ready: true, Serving: true, Terminating: false},
{Endpoint: "2.2.2.2:21", IsLocal: true, Ready: true, Serving: true, Terminating: false},
},
makeServicePortName("ns2", "ep2", "p22", v1.ProtocolUDP): {
{Endpoint: "2.2.2.1:22", IsLocal: false, Ready: true, Serving: true, Terminating: false},
{Endpoint: "2.2.2.2:22", IsLocal: true, Ready: true, Serving: true, Terminating: false},
},
},
expectedStaleEndpoints: []ServiceEndpoint{},
expectedStaleServiceNames: map[ServicePortName]bool{},
expectedHealthchecks: map[types.NamespacedName]int{
makeNSN("ns1", "ep1"): 2,
makeNSN("ns2", "ep2"): 1,
},
}, {
name: "add an Endpoints",
previousEndpoints: []*v1.Endpoints{
nil,
},
currentEndpoints: []*v1.Endpoints{
makeTestEndpoints("ns1", "ep1", unnamedPortLocal),
},
oldEndpoints: map[ServicePortName][]*BaseEndpointInfo{},
expectedResult: map[ServicePortName][]*BaseEndpointInfo{
makeServicePortName("ns1", "ep1", "", v1.ProtocolUDP): {
{Endpoint: "1.1.1.1:11", IsLocal: true, Ready: true, Serving: true, Terminating: false},
},
},
expectedStaleEndpoints: []ServiceEndpoint{},
expectedStaleServiceNames: map[ServicePortName]bool{
makeServicePortName("ns1", "ep1", "", v1.ProtocolUDP): true,
},
expectedHealthchecks: map[types.NamespacedName]int{
makeNSN("ns1", "ep1"): 1,
},
}, {
name: "remove an Endpoints",
previousEndpoints: []*v1.Endpoints{
makeTestEndpoints("ns1", "ep1", unnamedPortLocal),
},
currentEndpoints: []*v1.Endpoints{
nil,
},
oldEndpoints: map[ServicePortName][]*BaseEndpointInfo{
makeServicePortName("ns1", "ep1", "", v1.ProtocolUDP): {
{Endpoint: "1.1.1.1:11", IsLocal: true, Ready: true, Serving: true, Terminating: false},
},
},
expectedResult: map[ServicePortName][]*BaseEndpointInfo{},
expectedStaleEndpoints: []ServiceEndpoint{{
Endpoint: "1.1.1.1:11",
ServicePortName: makeServicePortName("ns1", "ep1", "", v1.ProtocolUDP),
}},
expectedStaleServiceNames: map[ServicePortName]bool{},
expectedHealthchecks: map[types.NamespacedName]int{},
}, {
name: "add an IP and port",
previousEndpoints: []*v1.Endpoints{
makeTestEndpoints("ns1", "ep1", namedPort),
},
currentEndpoints: []*v1.Endpoints{
makeTestEndpoints("ns1", "ep1", namedPortsLocalNoLocal),
},
oldEndpoints: map[ServicePortName][]*BaseEndpointInfo{
makeServicePortName("ns1", "ep1", "p11", v1.ProtocolUDP): {
{Endpoint: "1.1.1.1:11", IsLocal: false, Ready: true, Serving: true, Terminating: false},
},
},
expectedResult: map[ServicePortName][]*BaseEndpointInfo{
makeServicePortName("ns1", "ep1", "p11", v1.ProtocolUDP): {
{Endpoint: "1.1.1.1:11", IsLocal: false, Ready: true, Serving: true, Terminating: false},
{Endpoint: "1.1.1.2:11", IsLocal: true, Ready: true, Serving: true, Terminating: false},
},
makeServicePortName("ns1", "ep1", "p12", v1.ProtocolUDP): {
{Endpoint: "1.1.1.1:12", IsLocal: false, Ready: true, Serving: true, Terminating: false},
{Endpoint: "1.1.1.2:12", IsLocal: true, Ready: true, Serving: true, Terminating: false},
},
},
expectedStaleEndpoints: []ServiceEndpoint{},
expectedStaleServiceNames: map[ServicePortName]bool{
makeServicePortName("ns1", "ep1", "p12", v1.ProtocolUDP): true,
},
expectedHealthchecks: map[types.NamespacedName]int{
makeNSN("ns1", "ep1"): 1,
},
}, {
name: "remove an IP and port",
previousEndpoints: []*v1.Endpoints{
makeTestEndpoints("ns1", "ep1", namedPortsLocalNoLocal),
},
currentEndpoints: []*v1.Endpoints{
makeTestEndpoints("ns1", "ep1", namedPort),
},
oldEndpoints: map[ServicePortName][]*BaseEndpointInfo{
makeServicePortName("ns1", "ep1", "p11", v1.ProtocolUDP): {
{Endpoint: "1.1.1.1:11", IsLocal: false, Ready: true, Serving: true, Terminating: false},
{Endpoint: "1.1.1.2:11", IsLocal: true, Ready: true, Serving: true, Terminating: false},
},
makeServicePortName("ns1", "ep1", "p12", v1.ProtocolUDP): {
{Endpoint: "1.1.1.1:12", IsLocal: false, Ready: true, Serving: true, Terminating: false},
{Endpoint: "1.1.1.2:12", IsLocal: true, Ready: true, Serving: true, Terminating: false},
},
},
expectedResult: map[ServicePortName][]*BaseEndpointInfo{
makeServicePortName("ns1", "ep1", "p11", v1.ProtocolUDP): {
{Endpoint: "1.1.1.1:11", IsLocal: false, Ready: true, Serving: true, Terminating: false},
},
},
expectedStaleEndpoints: []ServiceEndpoint{{
Endpoint: "1.1.1.2:11",
ServicePortName: makeServicePortName("ns1", "ep1", "p11", v1.ProtocolUDP),
}, {
Endpoint: "1.1.1.1:12",
ServicePortName: makeServicePortName("ns1", "ep1", "p12", v1.ProtocolUDP),
}, {
Endpoint: "1.1.1.2:12",
ServicePortName: makeServicePortName("ns1", "ep1", "p12", v1.ProtocolUDP),
}},
expectedStaleServiceNames: map[ServicePortName]bool{},
expectedHealthchecks: map[types.NamespacedName]int{},
}, {
name: "add a subset",
previousEndpoints: []*v1.Endpoints{
makeTestEndpoints("ns1", "ep1", namedPort),
},
currentEndpoints: []*v1.Endpoints{
makeTestEndpoints("ns1", "ep1", multipleSubsetsWithLocal),
},
oldEndpoints: map[ServicePortName][]*BaseEndpointInfo{
makeServicePortName("ns1", "ep1", "p11", v1.ProtocolUDP): {
{Endpoint: "1.1.1.1:11", IsLocal: false, Ready: true, Serving: true, Terminating: false},
},
},
expectedResult: map[ServicePortName][]*BaseEndpointInfo{
makeServicePortName("ns1", "ep1", "p11", v1.ProtocolUDP): {
{Endpoint: "1.1.1.1:11", IsLocal: false, Ready: true, Serving: true, Terminating: false},
},
makeServicePortName("ns1", "ep1", "p12", v1.ProtocolUDP): {
{Endpoint: "1.1.1.2:12", IsLocal: true, Ready: true, Serving: true, Terminating: false},
},
},
expectedStaleEndpoints: []ServiceEndpoint{},
expectedStaleServiceNames: map[ServicePortName]bool{
makeServicePortName("ns1", "ep1", "p12", v1.ProtocolUDP): true,
},
expectedHealthchecks: map[types.NamespacedName]int{
makeNSN("ns1", "ep1"): 1,
},
}, {
name: "remove a subset",
previousEndpoints: []*v1.Endpoints{
makeTestEndpoints("ns1", "ep1", multipleSubsets),
},
currentEndpoints: []*v1.Endpoints{
makeTestEndpoints("ns1", "ep1", namedPort),
},
oldEndpoints: map[ServicePortName][]*BaseEndpointInfo{
makeServicePortName("ns1", "ep1", "p11", v1.ProtocolUDP): {
{Endpoint: "1.1.1.1:11", IsLocal: false, Ready: true, Serving: true, Terminating: false},
},
makeServicePortName("ns1", "ep1", "p12", v1.ProtocolUDP): {
{Endpoint: "1.1.1.2:12", IsLocal: false, Ready: true, Serving: true, Terminating: false},
},
},
expectedResult: map[ServicePortName][]*BaseEndpointInfo{
makeServicePortName("ns1", "ep1", "p11", v1.ProtocolUDP): {
{Endpoint: "1.1.1.1:11", IsLocal: false, Ready: true, Serving: true, Terminating: false},
},
},
expectedStaleEndpoints: []ServiceEndpoint{{
Endpoint: "1.1.1.2:12",
ServicePortName: makeServicePortName("ns1", "ep1", "p12", v1.ProtocolUDP),
}},
expectedStaleServiceNames: map[ServicePortName]bool{},
expectedHealthchecks: map[types.NamespacedName]int{},
}, {
name: "rename a port",
previousEndpoints: []*v1.Endpoints{
makeTestEndpoints("ns1", "ep1", namedPort),
},
currentEndpoints: []*v1.Endpoints{
makeTestEndpoints("ns1", "ep1", namedPortRenamed),
},
oldEndpoints: map[ServicePortName][]*BaseEndpointInfo{
makeServicePortName("ns1", "ep1", "p11", v1.ProtocolUDP): {
{Endpoint: "1.1.1.1:11", IsLocal: false, Ready: true, Serving: true, Terminating: false},
},
},
expectedResult: map[ServicePortName][]*BaseEndpointInfo{
makeServicePortName("ns1", "ep1", "p11-2", v1.ProtocolUDP): {
{Endpoint: "1.1.1.1:11", IsLocal: false, Ready: true, Serving: true, Terminating: false},
},
},
expectedStaleEndpoints: []ServiceEndpoint{{
Endpoint: "1.1.1.1:11",
ServicePortName: makeServicePortName("ns1", "ep1", "p11", v1.ProtocolUDP),
}},
expectedStaleServiceNames: map[ServicePortName]bool{
makeServicePortName("ns1", "ep1", "p11-2", v1.ProtocolUDP): true,
},
expectedHealthchecks: map[types.NamespacedName]int{},
}, {
name: "renumber a port",
previousEndpoints: []*v1.Endpoints{
makeTestEndpoints("ns1", "ep1", namedPort),
},
currentEndpoints: []*v1.Endpoints{
makeTestEndpoints("ns1", "ep1", namedPortRenumbered),
},
oldEndpoints: map[ServicePortName][]*BaseEndpointInfo{
makeServicePortName("ns1", "ep1", "p11", v1.ProtocolUDP): {
{Endpoint: "1.1.1.1:11", IsLocal: false, Ready: true, Serving: true, Terminating: false},
},
},
expectedResult: map[ServicePortName][]*BaseEndpointInfo{
makeServicePortName("ns1", "ep1", "p11", v1.ProtocolUDP): {
{Endpoint: "1.1.1.1:22", IsLocal: false, Ready: true, Serving: true, Terminating: false},
},
},
expectedStaleEndpoints: []ServiceEndpoint{{
Endpoint: "1.1.1.1:11",
ServicePortName: makeServicePortName("ns1", "ep1", "p11", v1.ProtocolUDP),
}},
expectedStaleServiceNames: map[ServicePortName]bool{},
expectedHealthchecks: map[types.NamespacedName]int{},
}, {
name: "complex add and remove",
previousEndpoints: []*v1.Endpoints{
makeTestEndpoints("ns1", "ep1", complexBefore1),
makeTestEndpoints("ns2", "ep2", complexBefore2),
nil,
makeTestEndpoints("ns4", "ep4", complexBefore4),
},
currentEndpoints: []*v1.Endpoints{
makeTestEndpoints("ns1", "ep1", complexAfter1),
nil,
makeTestEndpoints("ns3", "ep3", complexAfter3),
makeTestEndpoints("ns4", "ep4", complexAfter4),
},
oldEndpoints: map[ServicePortName][]*BaseEndpointInfo{
makeServicePortName("ns1", "ep1", "p11", v1.ProtocolUDP): {
{Endpoint: "1.1.1.1:11", IsLocal: false, Ready: true, Serving: true, Terminating: false},
},
makeServicePortName("ns2", "ep2", "p22", v1.ProtocolUDP): {
{Endpoint: "2.2.2.2:22", IsLocal: true, Ready: true, Serving: true, Terminating: false},
{Endpoint: "2.2.2.22:22", IsLocal: true, Ready: true, Serving: true, Terminating: false},
},
makeServicePortName("ns2", "ep2", "p23", v1.ProtocolUDP): {
{Endpoint: "2.2.2.3:23", IsLocal: true, Ready: true, Serving: true, Terminating: false},
},
makeServicePortName("ns4", "ep4", "p44", v1.ProtocolUDP): {
{Endpoint: "4.4.4.4:44", IsLocal: true, Ready: true, Serving: true, Terminating: false},
{Endpoint: "4.4.4.5:44", IsLocal: true, Ready: true, Serving: true, Terminating: false},
},
makeServicePortName("ns4", "ep4", "p45", v1.ProtocolUDP): {
{Endpoint: "4.4.4.6:45", IsLocal: true, Ready: true, Serving: true, Terminating: false},
},
},
expectedResult: map[ServicePortName][]*BaseEndpointInfo{
makeServicePortName("ns1", "ep1", "p11", v1.ProtocolUDP): {
{Endpoint: "1.1.1.1:11", IsLocal: false, Ready: true, Serving: true, Terminating: false},
{Endpoint: "1.1.1.11:11", IsLocal: false, Ready: true, Serving: true, Terminating: false},
},
makeServicePortName("ns1", "ep1", "p12", v1.ProtocolUDP): {
{Endpoint: "1.1.1.2:12", IsLocal: false, Ready: true, Serving: true, Terminating: false},
},
makeServicePortName("ns1", "ep1", "p122", v1.ProtocolUDP): {
{Endpoint: "1.1.1.2:122", IsLocal: false, Ready: true, Serving: true, Terminating: false},
},
makeServicePortName("ns3", "ep3", "p33", v1.ProtocolUDP): {
{Endpoint: "3.3.3.3:33", IsLocal: false, Ready: true, Serving: true, Terminating: false},
},
makeServicePortName("ns4", "ep4", "p44", v1.ProtocolUDP): {
{Endpoint: "4.4.4.4:44", IsLocal: true, Ready: true, Serving: true, Terminating: false},
},
},
expectedStaleEndpoints: []ServiceEndpoint{{
Endpoint: "2.2.2.2:22",
ServicePortName: makeServicePortName("ns2", "ep2", "p22", v1.ProtocolUDP),
}, {
Endpoint: "2.2.2.22:22",
ServicePortName: makeServicePortName("ns2", "ep2", "p22", v1.ProtocolUDP),
}, {
Endpoint: "2.2.2.3:23",
ServicePortName: makeServicePortName("ns2", "ep2", "p23", v1.ProtocolUDP),
}, {
Endpoint: "4.4.4.5:44",
ServicePortName: makeServicePortName("ns4", "ep4", "p44", v1.ProtocolUDP),
}, {
Endpoint: "4.4.4.6:45",
ServicePortName: makeServicePortName("ns4", "ep4", "p45", v1.ProtocolUDP),
}},
expectedStaleServiceNames: map[ServicePortName]bool{
makeServicePortName("ns1", "ep1", "p12", v1.ProtocolUDP): true,
makeServicePortName("ns1", "ep1", "p122", v1.ProtocolUDP): true,
makeServicePortName("ns3", "ep3", "p33", v1.ProtocolUDP): true,
},
expectedHealthchecks: map[types.NamespacedName]int{
makeNSN("ns4", "ep4"): 1,
},
}, {
name: "change from 0 endpoint address to 1 unnamed port",
previousEndpoints: []*v1.Endpoints{
makeTestEndpoints("ns1", "ep1", emptyEndpoint),
},
currentEndpoints: []*v1.Endpoints{
makeTestEndpoints("ns1", "ep1", unnamedPort),
},
oldEndpoints: map[ServicePortName][]*BaseEndpointInfo{},
expectedResult: map[ServicePortName][]*BaseEndpointInfo{
makeServicePortName("ns1", "ep1", "", v1.ProtocolUDP): {
{Endpoint: "1.1.1.1:11", IsLocal: false, Ready: true, Serving: true, Terminating: false},
},
},
expectedStaleEndpoints: []ServiceEndpoint{},
expectedStaleServiceNames: map[ServicePortName]bool{
makeServicePortName("ns1", "ep1", "", v1.ProtocolUDP): true,
},
expectedHealthchecks: map[types.NamespacedName]int{},
},
}
for tci, tc := range testCases {
t.Run(tc.name, func(t *testing.T) {
fp := newFakeProxier(v1.IPv4Protocol, time.Time{})
fp.hostname = nodeName
// First check that after adding all previous versions of endpoints,
// the fp.oldEndpoints is as we expect.
for i := range tc.previousEndpoints {
if tc.previousEndpoints[i] != nil {
fp.addEndpoints(tc.previousEndpoints[i])
}
}
fp.endpointsMap.Update(fp.endpointsChanges)
compareEndpointsMapsStr(t, fp.endpointsMap, tc.oldEndpoints)
// Now let's call appropriate handlers to get to state we want to be.
if len(tc.previousEndpoints) != len(tc.currentEndpoints) {
t.Fatalf("[%d] different lengths of previous and current endpoints", tci)
return
}
for i := range tc.previousEndpoints {
prev, curr := tc.previousEndpoints[i], tc.currentEndpoints[i]
switch {
case prev == nil:
fp.addEndpoints(curr)
case curr == nil:
fp.deleteEndpoints(prev)
default:
fp.updateEndpoints(prev, curr)
}
}
result := fp.endpointsMap.Update(fp.endpointsChanges)
newMap := fp.endpointsMap
compareEndpointsMapsStr(t, newMap, tc.expectedResult)
if len(result.StaleEndpoints) != len(tc.expectedStaleEndpoints) {
t.Errorf("[%d] expected %d staleEndpoints, got %d: %v", tci, len(tc.expectedStaleEndpoints), len(result.StaleEndpoints), result.StaleEndpoints)
}
for _, x := range tc.expectedStaleEndpoints {
found := false
for _, stale := range result.StaleEndpoints {
if stale == x {
found = true
break
}
}
if !found {
t.Errorf("[%d] expected staleEndpoints[%v], but didn't find it: %v", tci, x, result.StaleEndpoints)
}
}
if len(result.StaleServiceNames) != len(tc.expectedStaleServiceNames) {
t.Errorf("[%d] expected %d staleServiceNames, got %d: %v", tci, len(tc.expectedStaleServiceNames), len(result.StaleServiceNames), result.StaleServiceNames)
}
for svcName := range tc.expectedStaleServiceNames {
found := false
for _, stale := range result.StaleServiceNames {
if stale == svcName {
found = true
}
}
if !found {
t.Errorf("[%d] expected staleServiceNames[%v], but didn't find it: %v", tci, svcName, result.StaleServiceNames)
}
}
if !reflect.DeepEqual(result.HCEndpointsLocalIPSize, tc.expectedHealthchecks) {
t.Errorf("[%d] expected healthchecks %v, got %v", tci, tc.expectedHealthchecks, result.HCEndpointsLocalIPSize)
}
})
}
}
func TestLastChangeTriggerTime(t *testing.T) {
startTime := time.Date(2018, 01, 01, 0, 0, 0, 0, time.UTC)
t_1 := startTime.Add(-time.Second)
t0 := startTime.Add(time.Second)
t1 := t0.Add(time.Second)
t2 := t1.Add(time.Second)
t3 := t2.Add(time.Second)
createEndpoints := func(namespace, name string, triggerTime time.Time) *v1.Endpoints {
e := makeTestEndpoints(namespace, name, func(ept *v1.Endpoints) {
ept.Subsets = []v1.EndpointSubset{{
Addresses: []v1.EndpointAddress{{IP: "1.1.1.1"}},
Ports: []v1.EndpointPort{{Port: 11}},
}}
})
e.Annotations[v1.EndpointsLastChangeTriggerTime] = triggerTime.Format(time.RFC3339Nano)
return e
}
createName := func(namespace, name string) types.NamespacedName {
return types.NamespacedName{Namespace: namespace, Name: name}
}
modifyEndpoints := func(endpoints *v1.Endpoints, triggerTime time.Time) *v1.Endpoints {
e := endpoints.DeepCopy()
e.Subsets[0].Ports[0].Port++
e.Annotations[v1.EndpointsLastChangeTriggerTime] = triggerTime.Format(time.RFC3339Nano)
return e
}
testCases := []struct {
name string
scenario func(fp *FakeProxier)
expected map[types.NamespacedName][]time.Time
}{
{
name: "Single addEndpoints",
scenario: func(fp *FakeProxier) {
e := createEndpoints("ns", "ep1", t0)
fp.addEndpoints(e)
},
expected: map[types.NamespacedName][]time.Time{createName("ns", "ep1"): {t0}},
},
{
name: "addEndpoints then updatedEndpoints",
scenario: func(fp *FakeProxier) {
e := createEndpoints("ns", "ep1", t0)
fp.addEndpoints(e)
e1 := modifyEndpoints(e, t1)
fp.updateEndpoints(e, e1)
},
expected: map[types.NamespacedName][]time.Time{createName("ns", "ep1"): {t0, t1}},
},
{
name: "Add two endpoints then modify one",
scenario: func(fp *FakeProxier) {
e1 := createEndpoints("ns", "ep1", t1)
fp.addEndpoints(e1)
e2 := createEndpoints("ns", "ep2", t2)
fp.addEndpoints(e2)
e11 := modifyEndpoints(e1, t3)
fp.updateEndpoints(e1, e11)
},
expected: map[types.NamespacedName][]time.Time{createName("ns", "ep1"): {t1, t3}, createName("ns", "ep2"): {t2}},
},
{
name: "Endpoints without annotation set",
scenario: func(fp *FakeProxier) {
e := createEndpoints("ns", "ep1", t1)
delete(e.Annotations, v1.EndpointsLastChangeTriggerTime)
fp.addEndpoints(e)
},
expected: map[types.NamespacedName][]time.Time{},
},
{
name: "Endpoints create before tracker started",
scenario: func(fp *FakeProxier) {
e := createEndpoints("ns", "ep1", t_1)
fp.addEndpoints(e)
},
expected: map[types.NamespacedName][]time.Time{},
},
{
name: "addEndpoints then deleteEndpoints",
scenario: func(fp *FakeProxier) {
e := createEndpoints("ns", "ep1", t1)
fp.addEndpoints(e)
fp.deleteEndpoints(e)
},
expected: map[types.NamespacedName][]time.Time{},
},
{
name: "add then delete then add again",
scenario: func(fp *FakeProxier) {
e := createEndpoints("ns", "ep1", t1)
fp.addEndpoints(e)
fp.deleteEndpoints(e)
e = modifyEndpoints(e, t2)
fp.addEndpoints(e)
},
expected: map[types.NamespacedName][]time.Time{createName("ns", "ep1"): {t2}},
},
{
name: "delete",
scenario: func(fp *FakeProxier) {
e := createEndpoints("ns", "ep1", t1)
fp.deleteEndpoints(e)
},
expected: map[types.NamespacedName][]time.Time{},
},
}
for _, tc := range testCases {
fp := newFakeProxier(v1.IPv4Protocol, startTime)
tc.scenario(fp)
result := fp.endpointsMap.Update(fp.endpointsChanges)
got := result.LastChangeTriggerTimes
if !reflect.DeepEqual(got, tc.expected) {
t.Errorf("%s: Invalid LastChangeTriggerTimes, expected: %v, got: %v",
tc.name, tc.expected, result.LastChangeTriggerTimes)
}
}
}
func TestEndpointSliceUpdate(t *testing.T) {
fqdnSlice := generateEndpointSlice("svc1", "ns1", 2, 5, 999, 999, []string{"host1"}, []*int32{pointer.Int32(80), pointer.Int32(443)})
fqdnSlice.AddressType = discovery.AddressTypeFQDN
testCases := map[string]struct {
startingSlices []*discovery.EndpointSlice
endpointChangeTracker *EndpointChangeTracker
namespacedName types.NamespacedName
paramEndpointSlice *discovery.EndpointSlice
paramRemoveSlice bool
expectedReturnVal bool
expectedCurrentChange map[ServicePortName][]*BaseEndpointInfo
}{
// test starting from an empty state
"add a simple slice that doesn't already exist": {
startingSlices: []*discovery.EndpointSlice{},
endpointChangeTracker: NewEndpointChangeTracker("host1", nil, v1.IPv4Protocol, nil, nil),
namespacedName: types.NamespacedName{Name: "svc1", Namespace: "ns1"},
paramEndpointSlice: generateEndpointSlice("svc1", "ns1", 1, 3, 999, 999, []string{"host1", "host2"}, []*int32{pointer.Int32(80), pointer.Int32(443)}),
paramRemoveSlice: false,
expectedReturnVal: true,
expectedCurrentChange: map[ServicePortName][]*BaseEndpointInfo{
makeServicePortName("ns1", "svc1", "port-0", v1.ProtocolTCP): {
&BaseEndpointInfo{Endpoint: "10.0.1.1:80", IsLocal: false, Ready: true, Serving: true, Terminating: false},
&BaseEndpointInfo{Endpoint: "10.0.1.2:80", IsLocal: true, Ready: true, Serving: true, Terminating: false},
&BaseEndpointInfo{Endpoint: "10.0.1.3:80", IsLocal: false, Ready: true, Serving: true, Terminating: false},
},
makeServicePortName("ns1", "svc1", "port-1", v1.ProtocolTCP): {
&BaseEndpointInfo{Endpoint: "10.0.1.1:443", IsLocal: false, Ready: true, Serving: true, Terminating: false},
&BaseEndpointInfo{Endpoint: "10.0.1.2:443", IsLocal: true, Ready: true, Serving: true, Terminating: false},
&BaseEndpointInfo{Endpoint: "10.0.1.3:443", IsLocal: false, Ready: true, Serving: true, Terminating: false},
},
},
},
// test no modification to state - current change should be nil as nothing changes
"add the same slice that already exists": {
startingSlices: []*discovery.EndpointSlice{
generateEndpointSlice("svc1", "ns1", 1, 3, 999, 999, []string{"host1", "host2"}, []*int32{pointer.Int32(80), pointer.Int32(443)}),
},
endpointChangeTracker: NewEndpointChangeTracker("host1", nil, v1.IPv4Protocol, nil, nil),
namespacedName: types.NamespacedName{Name: "svc1", Namespace: "ns1"},
paramEndpointSlice: generateEndpointSlice("svc1", "ns1", 1, 3, 999, 999, []string{"host1", "host2"}, []*int32{pointer.Int32(80), pointer.Int32(443)}),
paramRemoveSlice: false,
expectedReturnVal: false,
expectedCurrentChange: nil,
},
// ensure that only valide address types are processed
"add an FQDN slice (invalid address type)": {
startingSlices: []*discovery.EndpointSlice{
generateEndpointSlice("svc1", "ns1", 1, 3, 999, 999, []string{"host1", "host2"}, []*int32{pointer.Int32(80), pointer.Int32(443)}),
},
endpointChangeTracker: NewEndpointChangeTracker("host1", nil, v1.IPv4Protocol, nil, nil),
namespacedName: types.NamespacedName{Name: "svc1", Namespace: "ns1"},
paramEndpointSlice: fqdnSlice,
paramRemoveSlice: false,
expectedReturnVal: false,
expectedCurrentChange: nil,
},
// test additions to existing state
"add a slice that overlaps with existing state": {
startingSlices: []*discovery.EndpointSlice{
generateEndpointSlice("svc1", "ns1", 1, 3, 999, 999, []string{"host1", "host2"}, []*int32{pointer.Int32(80), pointer.Int32(443)}),
generateEndpointSlice("svc1", "ns1", 2, 2, 999, 999, []string{"host1", "host2"}, []*int32{pointer.Int32(80), pointer.Int32(443)}),
},
endpointChangeTracker: NewEndpointChangeTracker("host1", nil, v1.IPv4Protocol, nil, nil),
namespacedName: types.NamespacedName{Name: "svc1", Namespace: "ns1"},
paramEndpointSlice: generateEndpointSlice("svc1", "ns1", 1, 5, 999, 999, []string{"host1"}, []*int32{pointer.Int32(80), pointer.Int32(443)}),
paramRemoveSlice: false,
expectedReturnVal: true,
expectedCurrentChange: map[ServicePortName][]*BaseEndpointInfo{
makeServicePortName("ns1", "svc1", "port-0", v1.ProtocolTCP): {
&BaseEndpointInfo{Endpoint: "10.0.1.1:80", IsLocal: true, Ready: true, Serving: true, Terminating: false},
&BaseEndpointInfo{Endpoint: "10.0.1.2:80", IsLocal: true, Ready: true, Serving: true, Terminating: false},
&BaseEndpointInfo{Endpoint: "10.0.1.3:80", IsLocal: true, Ready: true, Serving: true, Terminating: false},
&BaseEndpointInfo{Endpoint: "10.0.1.4:80", IsLocal: true, Ready: true, Serving: true, Terminating: false},
&BaseEndpointInfo{Endpoint: "10.0.1.5:80", IsLocal: true, Ready: true, Serving: true, Terminating: false},
&BaseEndpointInfo{Endpoint: "10.0.2.1:80", IsLocal: false, Ready: true, Serving: true, Terminating: false},
&BaseEndpointInfo{Endpoint: "10.0.2.2:80", IsLocal: true, Ready: true, Serving: true, Terminating: false},
},
makeServicePortName("ns1", "svc1", "port-1", v1.ProtocolTCP): {
&BaseEndpointInfo{Endpoint: "10.0.1.1:443", IsLocal: true, Ready: true, Serving: true, Terminating: false},
&BaseEndpointInfo{Endpoint: "10.0.1.2:443", IsLocal: true, Ready: true, Serving: true, Terminating: false},
&BaseEndpointInfo{Endpoint: "10.0.1.3:443", IsLocal: true, Ready: true, Serving: true, Terminating: false},
&BaseEndpointInfo{Endpoint: "10.0.1.4:443", IsLocal: true, Ready: true, Serving: true, Terminating: false},
&BaseEndpointInfo{Endpoint: "10.0.1.5:443", IsLocal: true, Ready: true, Serving: true, Terminating: false},
&BaseEndpointInfo{Endpoint: "10.0.2.1:443", IsLocal: false, Ready: true, Serving: true, Terminating: false},
&BaseEndpointInfo{Endpoint: "10.0.2.2:443", IsLocal: true, Ready: true, Serving: true, Terminating: false},
},
},
},
// test additions to existing state with partially overlapping slices and ports
"add a slice that overlaps with existing state and partial ports": {
startingSlices: []*discovery.EndpointSlice{
generateEndpointSlice("svc1", "ns1", 1, 3, 999, 999, []string{"host1", "host2"}, []*int32{pointer.Int32(80), pointer.Int32(443)}),
generateEndpointSlice("svc1", "ns1", 2, 2, 999, 999, []string{"host1", "host2"}, []*int32{pointer.Int32(80), pointer.Int32(443)}),
},
endpointChangeTracker: NewEndpointChangeTracker("host1", nil, v1.IPv4Protocol, nil, nil),
namespacedName: types.NamespacedName{Name: "svc1", Namespace: "ns1"},
paramEndpointSlice: generateEndpointSliceWithOffset("svc1", "ns1", 3, 1, 5, 999, 999, []string{"host1"}, []*int32{pointer.Int32(80)}),
paramRemoveSlice: false,
expectedReturnVal: true,
expectedCurrentChange: map[ServicePortName][]*BaseEndpointInfo{
makeServicePortName("ns1", "svc1", "port-0", v1.ProtocolTCP): {
&BaseEndpointInfo{Endpoint: "10.0.1.1:80", IsLocal: true, Ready: true, Serving: true, Terminating: false},
&BaseEndpointInfo{Endpoint: "10.0.1.2:80", IsLocal: true, Ready: true, Serving: true, Terminating: false},
&BaseEndpointInfo{Endpoint: "10.0.1.3:80", IsLocal: true, Ready: true, Serving: true, Terminating: false},
&BaseEndpointInfo{Endpoint: "10.0.1.4:80", IsLocal: true, Ready: true, Serving: true, Terminating: false},
&BaseEndpointInfo{Endpoint: "10.0.1.5:80", IsLocal: true, Ready: true, Serving: true, Terminating: false},
&BaseEndpointInfo{Endpoint: "10.0.2.1:80", IsLocal: false, Ready: true, Serving: true, Terminating: false},
&BaseEndpointInfo{Endpoint: "10.0.2.2:80", IsLocal: true, Ready: true, Serving: true, Terminating: false},
},
makeServicePortName("ns1", "svc1", "port-1", v1.ProtocolTCP): {
&BaseEndpointInfo{Endpoint: "10.0.1.1:443", IsLocal: false, Ready: true, Serving: true, Terminating: false},
&BaseEndpointInfo{Endpoint: "10.0.1.2:443", IsLocal: true, Ready: true, Serving: true, Terminating: false},
&BaseEndpointInfo{Endpoint: "10.0.1.3:443", IsLocal: false, Ready: true, Serving: true, Terminating: false},
&BaseEndpointInfo{Endpoint: "10.0.2.1:443", IsLocal: false, Ready: true, Serving: true, Terminating: false},
&BaseEndpointInfo{Endpoint: "10.0.2.2:443", IsLocal: true, Ready: true, Serving: true, Terminating: false},
},
},
},
// test deletions from existing state with partially overlapping slices and ports
"remove a slice that overlaps with existing state": {
startingSlices: []*discovery.EndpointSlice{
generateEndpointSlice("svc1", "ns1", 1, 3, 999, 999, []string{"host1", "host2"}, []*int32{pointer.Int32(80), pointer.Int32(443)}),
generateEndpointSlice("svc1", "ns1", 2, 2, 999, 999, []string{"host1", "host2"}, []*int32{pointer.Int32(80), pointer.Int32(443)}),
},
endpointChangeTracker: NewEndpointChangeTracker("host1", nil, v1.IPv4Protocol, nil, nil),
namespacedName: types.NamespacedName{Name: "svc1", Namespace: "ns1"},
paramEndpointSlice: generateEndpointSlice("svc1", "ns1", 1, 5, 999, 999, []string{"host1"}, []*int32{pointer.Int32(80), pointer.Int32(443)}),
paramRemoveSlice: true,
expectedReturnVal: true,
expectedCurrentChange: map[ServicePortName][]*BaseEndpointInfo{
makeServicePortName("ns1", "svc1", "port-0", v1.ProtocolTCP): {
&BaseEndpointInfo{Endpoint: "10.0.2.1:80", IsLocal: false, Ready: true, Serving: true, Terminating: false},
&BaseEndpointInfo{Endpoint: "10.0.2.2:80", IsLocal: true, Ready: true, Serving: true, Terminating: false},
},
makeServicePortName("ns1", "svc1", "port-1", v1.ProtocolTCP): {
&BaseEndpointInfo{Endpoint: "10.0.2.1:443", IsLocal: false, Ready: true, Serving: true, Terminating: false},
&BaseEndpointInfo{Endpoint: "10.0.2.2:443", IsLocal: true, Ready: true, Serving: true, Terminating: false},
},
},
},
// ensure a removal that has no effect turns into a no-op
"remove a slice that doesn't even exist in current state": {
startingSlices: []*discovery.EndpointSlice{
generateEndpointSlice("svc1", "ns1", 1, 5, 999, 999, []string{"host1"}, []*int32{pointer.Int32(80), pointer.Int32(443)}),
generateEndpointSlice("svc1", "ns1", 2, 2, 999, 999, []string{"host1"}, []*int32{pointer.Int32(80), pointer.Int32(443)}),
},
endpointChangeTracker: NewEndpointChangeTracker("host1", nil, v1.IPv4Protocol, nil, nil),
namespacedName: types.NamespacedName{Name: "svc1", Namespace: "ns1"},
paramEndpointSlice: generateEndpointSlice("svc1", "ns1", 3, 5, 999, 999, []string{"host1"}, []*int32{pointer.Int32(80), pointer.Int32(443)}),
paramRemoveSlice: true,
expectedReturnVal: false,
expectedCurrentChange: nil,
},
// start with all endpoints ready, transition to no endpoints ready
"transition all endpoints to unready state": {
startingSlices: []*discovery.EndpointSlice{
generateEndpointSlice("svc1", "ns1", 1, 3, 999, 999, []string{"host1", "host2"}, []*int32{pointer.Int32(80), pointer.Int32(443)}),
},
endpointChangeTracker: NewEndpointChangeTracker("host1", nil, v1.IPv4Protocol, nil, nil),
namespacedName: types.NamespacedName{Name: "svc1", Namespace: "ns1"},
paramEndpointSlice: generateEndpointSlice("svc1", "ns1", 1, 3, 1, 999, []string{"host1"}, []*int32{pointer.Int32(80), pointer.Int32(443)}),
paramRemoveSlice: false,
expectedReturnVal: true,
expectedCurrentChange: map[ServicePortName][]*BaseEndpointInfo{
makeServicePortName("ns1", "svc1", "port-0", v1.ProtocolTCP): {
&BaseEndpointInfo{Endpoint: "10.0.1.1:80", IsLocal: true, Ready: false, Serving: false, Terminating: false},
&BaseEndpointInfo{Endpoint: "10.0.1.2:80", IsLocal: true, Ready: false, Serving: false, Terminating: false},
&BaseEndpointInfo{Endpoint: "10.0.1.3:80", IsLocal: true, Ready: false, Serving: false, Terminating: false},
},
makeServicePortName("ns1", "svc1", "port-1", v1.ProtocolTCP): {
&BaseEndpointInfo{Endpoint: "10.0.1.1:443", IsLocal: true, Ready: false, Serving: false, Terminating: false},
&BaseEndpointInfo{Endpoint: "10.0.1.2:443", IsLocal: true, Ready: false, Serving: false, Terminating: false},
&BaseEndpointInfo{Endpoint: "10.0.1.3:443", IsLocal: true, Ready: false, Serving: false, Terminating: false},
},
},
},
// start with no endpoints ready, transition to all endpoints ready
"transition all endpoints to ready state": {
startingSlices: []*discovery.EndpointSlice{
generateEndpointSlice("svc1", "ns1", 1, 2, 1, 999, []string{"host1", "host2"}, []*int32{pointer.Int32(80), pointer.Int32(443)}),
},
endpointChangeTracker: NewEndpointChangeTracker("host1", nil, v1.IPv4Protocol, nil, nil),
namespacedName: types.NamespacedName{Name: "svc1", Namespace: "ns1"},
paramEndpointSlice: generateEndpointSlice("svc1", "ns1", 1, 2, 999, 999, []string{"host1"}, []*int32{pointer.Int32(80), pointer.Int32(443)}),
paramRemoveSlice: false,
expectedReturnVal: true,
expectedCurrentChange: map[ServicePortName][]*BaseEndpointInfo{
makeServicePortName("ns1", "svc1", "port-0", v1.ProtocolTCP): {
&BaseEndpointInfo{Endpoint: "10.0.1.1:80", IsLocal: true, Ready: true, Serving: true, Terminating: false},
&BaseEndpointInfo{Endpoint: "10.0.1.2:80", IsLocal: true, Ready: true, Serving: true, Terminating: false},
},
makeServicePortName("ns1", "svc1", "port-1", v1.ProtocolTCP): {
&BaseEndpointInfo{Endpoint: "10.0.1.1:443", IsLocal: true, Ready: true, Serving: true, Terminating: false},
&BaseEndpointInfo{Endpoint: "10.0.1.2:443", IsLocal: true, Ready: true, Serving: true, Terminating: false},
},
},
},
// start with some endpoints ready, transition to more endpoints ready
"transition some endpoints to ready state": {
startingSlices: []*discovery.EndpointSlice{
generateEndpointSlice("svc1", "ns1", 1, 3, 2, 999, []string{"host1"}, []*int32{pointer.Int32(80), pointer.Int32(443)}),
generateEndpointSlice("svc1", "ns1", 2, 2, 2, 999, []string{"host1"}, []*int32{pointer.Int32(80), pointer.Int32(443)}),
},
endpointChangeTracker: NewEndpointChangeTracker("host1", nil, v1.IPv4Protocol, nil, nil),
namespacedName: types.NamespacedName{Name: "svc1", Namespace: "ns1"},
paramEndpointSlice: generateEndpointSlice("svc1", "ns1", 1, 3, 3, 999, []string{"host1"}, []*int32{pointer.Int32(80), pointer.Int32(443)}),
paramRemoveSlice: false,
expectedReturnVal: true,
expectedCurrentChange: map[ServicePortName][]*BaseEndpointInfo{
makeServicePortName("ns1", "svc1", "port-0", v1.ProtocolTCP): {
&BaseEndpointInfo{Endpoint: "10.0.1.1:80", IsLocal: true, Ready: true, Serving: true, Terminating: false},
&BaseEndpointInfo{Endpoint: "10.0.1.2:80", IsLocal: true, Ready: true, Serving: true, Terminating: false},
&BaseEndpointInfo{Endpoint: "10.0.1.3:80", IsLocal: true, Ready: false, Serving: false, Terminating: false},
&BaseEndpointInfo{Endpoint: "10.0.2.1:80", IsLocal: true, Ready: true, Serving: true, Terminating: false},
&BaseEndpointInfo{Endpoint: "10.0.2.2:80", IsLocal: true, Ready: false, Serving: false, Terminating: false},
},
makeServicePortName("ns1", "svc1", "port-1", v1.ProtocolTCP): {
&BaseEndpointInfo{Endpoint: "10.0.1.1:443", IsLocal: true, Ready: true, Serving: true, Terminating: false},
&BaseEndpointInfo{Endpoint: "10.0.1.2:443", IsLocal: true, Ready: true, Serving: true, Terminating: false},
&BaseEndpointInfo{Endpoint: "10.0.1.3:443", IsLocal: true, Ready: false, Serving: false, Terminating: false},
&BaseEndpointInfo{Endpoint: "10.0.2.1:443", IsLocal: true, Ready: true, Serving: true, Terminating: false},
&BaseEndpointInfo{Endpoint: "10.0.2.2:443", IsLocal: true, Ready: false, Serving: false, Terminating: false},
},
},
},
// start with some endpoints ready, transition to some terminating
"transition some endpoints to terminating state": {
startingSlices: []*discovery.EndpointSlice{
generateEndpointSlice("svc1", "ns1", 1, 3, 2, 2, []string{"host1"}, []*int32{pointer.Int32(80), pointer.Int32(443)}),
generateEndpointSlice("svc1", "ns1", 2, 2, 2, 2, []string{"host1"}, []*int32{pointer.Int32(80), pointer.Int32(443)}),
},
endpointChangeTracker: NewEndpointChangeTracker("host1", nil, v1.IPv4Protocol, nil, nil),
namespacedName: types.NamespacedName{Name: "svc1", Namespace: "ns1"},
paramEndpointSlice: generateEndpointSlice("svc1", "ns1", 1, 3, 3, 2, []string{"host1"}, []*int32{pointer.Int32(80), pointer.Int32(443)}),
paramRemoveSlice: false,
expectedReturnVal: true,
expectedCurrentChange: map[ServicePortName][]*BaseEndpointInfo{
makeServicePortName("ns1", "svc1", "port-0", v1.ProtocolTCP): {
&BaseEndpointInfo{Endpoint: "10.0.1.1:80", IsLocal: true, Ready: true, Serving: true, Terminating: false},
&BaseEndpointInfo{Endpoint: "10.0.1.2:80", IsLocal: true, Ready: false, Serving: true, Terminating: true},
&BaseEndpointInfo{Endpoint: "10.0.1.3:80", IsLocal: true, Ready: false, Serving: false, Terminating: false},
&BaseEndpointInfo{Endpoint: "10.0.2.1:80", IsLocal: true, Ready: true, Serving: true, Terminating: false},
&BaseEndpointInfo{Endpoint: "10.0.2.2:80", IsLocal: true, Ready: false, Serving: false, Terminating: true},
},
makeServicePortName("ns1", "svc1", "port-1", v1.ProtocolTCP): {
&BaseEndpointInfo{Endpoint: "10.0.1.1:443", IsLocal: true, Ready: true, Serving: true, Terminating: false},
&BaseEndpointInfo{Endpoint: "10.0.1.2:443", IsLocal: true, Ready: false, Serving: true, Terminating: true},
&BaseEndpointInfo{Endpoint: "10.0.1.3:443", IsLocal: true, Ready: false, Serving: false, Terminating: false},
&BaseEndpointInfo{Endpoint: "10.0.2.1:443", IsLocal: true, Ready: true, Serving: true, Terminating: false},
&BaseEndpointInfo{Endpoint: "10.0.2.2:443", IsLocal: true, Ready: false, Serving: false, Terminating: true},
},
},
},
}
for name, tc := range testCases {
t.Run(name, func(t *testing.T) {
initializeCache(tc.endpointChangeTracker.endpointSliceCache, tc.startingSlices)
got := tc.endpointChangeTracker.EndpointSliceUpdate(tc.paramEndpointSlice, tc.paramRemoveSlice)
if !reflect.DeepEqual(got, tc.expectedReturnVal) {
t.Errorf("EndpointSliceUpdate return value got: %v, want %v", got, tc.expectedReturnVal)
}
if tc.endpointChangeTracker.items == nil {
t.Errorf("Expected ect.items to not be nil")
}
changes := tc.endpointChangeTracker.checkoutChanges()
if tc.expectedCurrentChange == nil {
if len(changes) != 0 {
t.Errorf("Expected %s to have no changes", tc.namespacedName)
}
} else {
if len(changes) == 0 || changes[0] == nil {
t.Fatalf("Expected %s to have changes", tc.namespacedName)
}
compareEndpointsMapsStr(t, changes[0].current, tc.expectedCurrentChange)
}
})
}
}
func TestCheckoutChanges(t *testing.T) {
svcPortName0 := ServicePortName{types.NamespacedName{Namespace: "ns1", Name: "svc1"}, "port-0", v1.ProtocolTCP}
svcPortName1 := ServicePortName{types.NamespacedName{Namespace: "ns1", Name: "svc1"}, "port-1", v1.ProtocolTCP}
testCases := map[string]struct {
endpointChangeTracker *EndpointChangeTracker
expectedChanges []*endpointsChange
items map[types.NamespacedName]*endpointsChange
appliedSlices []*discovery.EndpointSlice
pendingSlices []*discovery.EndpointSlice
}{
"empty slices": {
endpointChangeTracker: NewEndpointChangeTracker("", nil, v1.IPv4Protocol, nil, nil),
expectedChanges: []*endpointsChange{},
appliedSlices: []*discovery.EndpointSlice{},
pendingSlices: []*discovery.EndpointSlice{},
},
"adding initial slice": {
endpointChangeTracker: NewEndpointChangeTracker("", nil, v1.IPv4Protocol, nil, nil),
expectedChanges: []*endpointsChange{{
previous: EndpointsMap{},
current: EndpointsMap{
svcPortName0: []Endpoint{newTestEp("10.0.1.1:80", "host1", true, true, false), newTestEp("10.0.1.2:80", "host1", false, true, true), newTestEp("10.0.1.3:80", "host1", false, false, false)},
},
}},
appliedSlices: []*discovery.EndpointSlice{},
pendingSlices: []*discovery.EndpointSlice{
generateEndpointSlice("svc1", "ns1", 1, 3, 3, 2, []string{"host1"}, []*int32{pointer.Int32(80)}),
},
},
"removing port in update": {
endpointChangeTracker: NewEndpointChangeTracker("", nil, v1.IPv4Protocol, nil, nil),
expectedChanges: []*endpointsChange{{
previous: EndpointsMap{
svcPortName0: []Endpoint{newTestEp("10.0.1.1:80", "host1", true, true, false), newTestEp("10.0.1.2:80", "host1", true, true, false), newTestEp("10.0.1.3:80", "host1", false, false, false)},
svcPortName1: []Endpoint{newTestEp("10.0.1.1:443", "host1", true, true, false), newTestEp("10.0.1.2:443", "host1", true, true, false), newTestEp("10.0.1.3:443", "host1", false, false, false)},
},
current: EndpointsMap{
svcPortName0: []Endpoint{newTestEp("10.0.1.1:80", "host1", true, true, false), newTestEp("10.0.1.2:80", "host1", true, true, false), newTestEp("10.0.1.3:80", "host1", false, false, false)},
},
}},
appliedSlices: []*discovery.EndpointSlice{
generateEndpointSlice("svc1", "ns1", 1, 3, 3, 999, []string{"host1"}, []*int32{pointer.Int32(80), pointer.Int32(443)}),
},
pendingSlices: []*discovery.EndpointSlice{
generateEndpointSlice("svc1", "ns1", 1, 3, 3, 999, []string{"host1"}, []*int32{pointer.Int32(80)}),
},
},
}
for name, tc := range testCases {
t.Run(name, func(t *testing.T) {
for _, slice := range tc.appliedSlices {
tc.endpointChangeTracker.EndpointSliceUpdate(slice, false)
}
tc.endpointChangeTracker.checkoutChanges()
for _, slice := range tc.pendingSlices {
tc.endpointChangeTracker.EndpointSliceUpdate(slice, false)
}
changes := tc.endpointChangeTracker.checkoutChanges()
if len(tc.expectedChanges) != len(changes) {
t.Fatalf("Expected %d changes, got %d", len(tc.expectedChanges), len(changes))
}
for i, change := range changes {
expectedChange := tc.expectedChanges[i]
if !reflect.DeepEqual(change.previous, expectedChange.previous) {
t.Errorf("[%d] Expected change.previous: %+v, got: %+v", i, expectedChange.previous, change.previous)
}
if !reflect.DeepEqual(change.current, expectedChange.current) {
t.Errorf("[%d] Expected change.current: %+v, got: %+v", i, expectedChange.current, change.current)
}
}
})
}
}
// Test helpers
func compareEndpointsMapsStr(t *testing.T, newMap EndpointsMap, expected map[ServicePortName][]*BaseEndpointInfo) {
t.Helper()
if len(newMap) != len(expected) {
t.Fatalf("expected %d results, got %d: %v", len(expected), len(newMap), newMap)
}
endpointEqual := func(a, b *BaseEndpointInfo) bool {
return a.Endpoint == b.Endpoint && a.IsLocal == b.IsLocal && a.Ready == b.Ready && a.Serving == b.Serving && a.Terminating == b.Terminating
}
for x := range expected {
if len(newMap[x]) != len(expected[x]) {
t.Logf("Endpoints %+v", newMap[x])
t.Fatalf("expected %d endpoints for %v, got %d", len(expected[x]), x, len(newMap[x]))
} else {
for i := range expected[x] {
newEp, ok := newMap[x][i].(*BaseEndpointInfo)
if !ok {
t.Fatalf("Failed to cast endpointsInfo")
}
if !endpointEqual(newEp, expected[x][i]) {
t.Fatalf("expected new[%v][%d] to be %v, got %v"+
"(IsLocal expected %v, got %v) (Ready expected %v, got %v) (Serving expected %v, got %v) (Terminating expected %v got %v)",
x, i, expected[x][i], newEp, expected[x][i].IsLocal, newEp.IsLocal, expected[x][i].Ready, newEp.Ready,
expected[x][i].Serving, newEp.Serving, expected[x][i].Terminating, newEp.Terminating)
}
}
}
}
}
func newTestEp(ep, host string, ready, serving, terminating bool) *BaseEndpointInfo {
endpointInfo := &BaseEndpointInfo{Endpoint: ep, Ready: ready, Serving: serving, Terminating: terminating}
if host != "" {
endpointInfo.NodeName = host
}
return endpointInfo
}
func initializeCache(endpointSliceCache *EndpointSliceCache, endpointSlices []*discovery.EndpointSlice) {
for _, endpointSlice := range endpointSlices {
endpointSliceCache.updatePending(endpointSlice, false)
}
for _, tracker := range endpointSliceCache.trackerByServiceMap {
tracker.applied = tracker.pending
tracker.pending = endpointSliceInfoByName{}
}
}
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