func TestUDPProxyTimeout(t *testing.T) {
lb := NewLoadBalancerRR()
service := proxy.ServicePortName{NamespacedName: types.NamespacedName{Namespace: "testnamespace", Name: "echo"}, Port: "p"}
lb.OnEndpointsUpdate([]api.Endpoints{
{
ObjectMeta: api.ObjectMeta{Name: service.Name, Namespace: service.Namespace},
Subsets: []api.EndpointSubset{{
Addresses: []api.EndpointAddress{{IP: "127.0.0.1"}},
Ports: []api.EndpointPort{{Name: "p", Port: udpServerPort}},
}},
},
})
p, err := createProxier(lb, net.ParseIP("0.0.0.0"), ipttest.NewFake(), net.ParseIP("127.0.0.1"), nil, time.Minute, udpIdleTimeoutForTest)
if err != nil {
t.Fatal(err)
}
waitForNumProxyLoops(t, p, 0)
svcInfo, err := p.addServiceOnPort(service, "UDP", 0, time.Second)
if err != nil {
t.Fatalf("error adding new service: %#v", err)
}
waitForNumProxyLoops(t, p, 1)
testEchoUDP(t, "127.0.0.1", svcInfo.proxyPort)
// When connecting to a UDP service endpoint, there shoule be a Conn for proxy.
waitForNumProxyClients(t, svcInfo, 1, time.Second)
// If conn has no activity for serviceInfo.timeout since last Read/Write, it shoule be closed because of timeout.
waitForNumProxyClients(t, svcInfo, 0, 2*time.Second)
}
func TestUDPProxy(t *testing.T) {
lb := NewLoadBalancerRR()
service := proxy.ServicePortName{NamespacedName: types.NamespacedName{Namespace: "testnamespace", Name: "echo"}, Port: "p"}
lb.OnEndpointsUpdate([]api.Endpoints{
{
ObjectMeta: api.ObjectMeta{Name: service.Name, Namespace: service.Namespace},
Subsets: []api.EndpointSubset{{
Addresses: []api.EndpointAddress{{IP: "127.0.0.1"}},
Ports: []api.EndpointPort{{Name: "p", Port: udpServerPort}},
}},
},
})
p, err := createProxier(lb, net.ParseIP("0.0.0.0"), ipttest.NewFake(), net.ParseIP("127.0.0.1"), nil, time.Minute, udpIdleTimeoutForTest)
if err != nil {
t.Fatal(err)
}
waitForNumProxyLoops(t, p, 0)
svcInfo, err := p.addServiceOnPort(service, "UDP", 0, time.Second)
if err != nil {
t.Fatalf("error adding new service: %#v", err)
}
testEchoUDP(t, "127.0.0.1", svcInfo.proxyPort)
waitForNumProxyLoops(t, p, 1)
}
func TestProxyUpdatePublicIPs(t *testing.T) {
lb := NewLoadBalancerRR()
service := proxy.ServicePortName{NamespacedName: types.NamespacedName{Namespace: "testnamespace", Name: "echo"}, Port: "p"}
lb.OnEndpointsUpdate([]api.Endpoints{
{
ObjectMeta: api.ObjectMeta{Name: service.Name, Namespace: service.Namespace},
Subsets: []api.EndpointSubset{{
Addresses: []api.EndpointAddress{{IP: "127.0.0.1"}},
Ports: []api.EndpointPort{{Name: "p", Port: tcpServerPort}},
}},
},
})
p, err := createProxier(lb, net.ParseIP("0.0.0.0"), ipttest.NewFake(), net.ParseIP("127.0.0.1"), nil, time.Minute, udpIdleTimeoutForTest)
if err != nil {
t.Fatal(err)
}
waitForNumProxyLoops(t, p, 0)
svcInfo, err := p.addServiceOnPort(service, "TCP", 0, time.Second)
if err != nil {
t.Fatalf("error adding new service: %#v", err)
}
testEchoTCP(t, "127.0.0.1", svcInfo.proxyPort)
waitForNumProxyLoops(t, p, 1)
p.OnServiceUpdate([]api.Service{{
ObjectMeta: api.ObjectMeta{Name: service.Name, Namespace: service.Namespace},
Spec: api.ServiceSpec{
Ports: []api.ServicePort{{
Name: "p",
Port: int32(svcInfo.portal.port),
Protocol: "TCP",
}},
ClusterIP: svcInfo.portal.ip.String(),
ExternalIPs: []string{"4.3.2.1"},
},
}})
// Wait for the socket to actually get free.
if err := waitForClosedPortTCP(p, svcInfo.proxyPort); err != nil {
t.Fatalf(err.Error())
}
svcInfo, exists := p.getServiceInfo(service)
if !exists {
t.Fatalf("can't find serviceInfo")
}
testEchoTCP(t, "127.0.0.1", svcInfo.proxyPort)
// This is a bit async, but this should be sufficient.
time.Sleep(500 * time.Millisecond)
waitForNumProxyLoops(t, p, 1)
}
func TestUDPProxyUpdateDeleteUpdate(t *testing.T) {
lb := NewLoadBalancerRR()
service := proxy.ServicePortName{NamespacedName: types.NamespacedName{Namespace: "testnamespace", Name: "echo"}, Port: "p"}
lb.OnEndpointsUpdate([]api.Endpoints{
{
ObjectMeta: api.ObjectMeta{Name: service.Name, Namespace: service.Namespace},
Subsets: []api.EndpointSubset{{
Addresses: []api.EndpointAddress{{IP: "127.0.0.1"}},
Ports: []api.EndpointPort{{Name: "p", Port: udpServerPort}},
}},
},
})
p, err := createProxier(lb, net.ParseIP("0.0.0.0"), ipttest.NewFake(), net.ParseIP("127.0.0.1"), nil, time.Minute, udpIdleTimeoutForTest)
if err != nil {
t.Fatal(err)
}
waitForNumProxyLoops(t, p, 0)
svcInfo, err := p.addServiceOnPort(service, "UDP", 0, time.Second)
if err != nil {
t.Fatalf("error adding new service: %#v", err)
}
conn, err := net.Dial("udp", joinHostPort("", svcInfo.proxyPort))
if err != nil {
t.Fatalf("error connecting to proxy: %v", err)
}
conn.Close()
waitForNumProxyLoops(t, p, 1)
p.OnServiceUpdate([]api.Service{})
if err := waitForClosedPortUDP(p, svcInfo.proxyPort); err != nil {
t.Fatalf(err.Error())
}
waitForNumProxyLoops(t, p, 0)
p.OnServiceUpdate([]api.Service{{
ObjectMeta: api.ObjectMeta{Name: service.Name, Namespace: service.Namespace},
Spec: api.ServiceSpec{ClusterIP: "1.2.3.4", Ports: []api.ServicePort{{
Name: "p",
Port: int32(svcInfo.proxyPort),
Protocol: "UDP",
}}},
}})
svcInfo, exists := p.getServiceInfo(service)
if !exists {
t.Fatalf("can't find serviceInfo")
}
testEchoUDP(t, "127.0.0.1", svcInfo.proxyPort)
waitForNumProxyLoops(t, p, 1)
}
func TestMultiPortOnServiceUpdate(t *testing.T) {
lb := NewLoadBalancerRR()
serviceP := proxy.ServicePortName{NamespacedName: types.NamespacedName{Namespace: "testnamespace", Name: "echo"}, Port: "p"}
serviceQ := proxy.ServicePortName{NamespacedName: types.NamespacedName{Namespace: "testnamespace", Name: "echo"}, Port: "q"}
serviceX := proxy.ServicePortName{NamespacedName: types.NamespacedName{Namespace: "testnamespace", Name: "echo"}, Port: "x"}
p, err := createProxier(lb, net.ParseIP("0.0.0.0"), ipttest.NewFake(), net.ParseIP("127.0.0.1"), nil, time.Minute, udpIdleTimeoutForTest)
if err != nil {
t.Fatal(err)
}
waitForNumProxyLoops(t, p, 0)
p.OnServiceUpdate([]api.Service{{
ObjectMeta: api.ObjectMeta{Name: serviceP.Name, Namespace: serviceP.Namespace},
Spec: api.ServiceSpec{ClusterIP: "1.2.3.4", Ports: []api.ServicePort{{
Name: "p",
Port: 80,
Protocol: "TCP",
}, {
Name: "q",
Port: 81,
Protocol: "UDP",
}}},
}})
waitForNumProxyLoops(t, p, 2)
svcInfo, exists := p.getServiceInfo(serviceP)
if !exists {
t.Fatalf("can't find serviceInfo for %s", serviceP)
}
if svcInfo.portal.ip.String() != "1.2.3.4" || svcInfo.portal.port != 80 || svcInfo.protocol != "TCP" {
t.Errorf("unexpected serviceInfo for %s: %#v", serviceP, svcInfo)
}
svcInfo, exists = p.getServiceInfo(serviceQ)
if !exists {
t.Fatalf("can't find serviceInfo for %s", serviceQ)
}
if svcInfo.portal.ip.String() != "1.2.3.4" || svcInfo.portal.port != 81 || svcInfo.protocol != "UDP" {
t.Errorf("unexpected serviceInfo for %s: %#v", serviceQ, svcInfo)
}
svcInfo, exists = p.getServiceInfo(serviceX)
if exists {
t.Fatalf("found unwanted serviceInfo for %s: %#v", serviceX, svcInfo)
}
}
func TestTCPProxyStop(t *testing.T) {
lb := NewLoadBalancerRR()
service := proxy.ServicePortName{NamespacedName: types.NamespacedName{Namespace: "testnamespace", Name: "echo"}, Port: "p"}
lb.OnEndpointsUpdate([]api.Endpoints{
{
ObjectMeta: api.ObjectMeta{Namespace: service.Namespace, Name: service.Name},
Subsets: []api.EndpointSubset{{
Addresses: []api.EndpointAddress{{IP: "127.0.0.1"}},
Ports: []api.EndpointPort{{Name: "p", Port: tcpServerPort}},
}},
},
})
p, err := createProxier(lb, net.ParseIP("0.0.0.0"), ipttest.NewFake(), net.ParseIP("127.0.0.1"), nil, time.Minute, udpIdleTimeoutForTest)
if err != nil {
t.Fatal(err)
}
waitForNumProxyLoops(t, p, 0)
svcInfo, err := p.addServiceOnPort(service, "TCP", 0, time.Second)
if err != nil {
t.Fatalf("error adding new service: %#v", err)
}
if !svcInfo.isAlive() {
t.Fatalf("wrong value for isAlive(): expected true")
}
conn, err := net.Dial("tcp", joinHostPort("", svcInfo.proxyPort))
if err != nil {
t.Fatalf("error connecting to proxy: %v", err)
}
conn.Close()
waitForNumProxyLoops(t, p, 1)
stopProxyByName(p, service)
if svcInfo.isAlive() {
t.Fatalf("wrong value for isAlive(): expected false")
}
// Wait for the port to really close.
if err := waitForClosedPortTCP(p, svcInfo.proxyPort); err != nil {
t.Fatalf(err.Error())
}
waitForNumProxyLoops(t, p, 0)
}
func TestProxyUpdatePortal(t *testing.T) {
lb := NewLoadBalancerRR()
service := proxy.ServicePortName{NamespacedName: types.NamespacedName{Namespace: "testnamespace", Name: "echo"}, Port: "p"}
lb.OnEndpointsUpdate([]api.Endpoints{
{
ObjectMeta: api.ObjectMeta{Name: service.Name, Namespace: service.Namespace},
Subsets: []api.EndpointSubset{{
Addresses: []api.EndpointAddress{{IP: "127.0.0.1"}},
Ports: []api.EndpointPort{{Name: "p", Port: tcpServerPort}},
}},
},
})
p, err := createProxier(lb, net.ParseIP("0.0.0.0"), ipttest.NewFake(), net.ParseIP("127.0.0.1"), nil, time.Minute, udpIdleTimeoutForTest)
if err != nil {
t.Fatal(err)
}
waitForNumProxyLoops(t, p, 0)
svcInfo, err := p.addServiceOnPort(service, "TCP", 0, time.Second)
if err != nil {
t.Fatalf("error adding new service: %#v", err)
}
testEchoTCP(t, "127.0.0.1", svcInfo.proxyPort)
waitForNumProxyLoops(t, p, 1)
p.OnServiceUpdate([]api.Service{{
ObjectMeta: api.ObjectMeta{Name: service.Name, Namespace: service.Namespace},
Spec: api.ServiceSpec{ClusterIP: "", Ports: []api.ServicePort{{
Name: "p",
Port: int32(svcInfo.proxyPort),
Protocol: "TCP",
}}},
}})
_, exists := p.getServiceInfo(service)
if exists {
t.Fatalf("service with empty ClusterIP should not be included in the proxy")
}
p.OnServiceUpdate([]api.Service{{
ObjectMeta: api.ObjectMeta{Name: service.Name, Namespace: service.Namespace},
Spec: api.ServiceSpec{ClusterIP: "None", Ports: []api.ServicePort{{
Name: "p",
Port: int32(svcInfo.proxyPort),
Protocol: "TCP",
}}},
}})
_, exists = p.getServiceInfo(service)
if exists {
t.Fatalf("service with 'None' as ClusterIP should not be included in the proxy")
}
p.OnServiceUpdate([]api.Service{{
ObjectMeta: api.ObjectMeta{Name: service.Name, Namespace: service.Namespace},
Spec: api.ServiceSpec{ClusterIP: "1.2.3.4", Ports: []api.ServicePort{{
Name: "p",
Port: int32(svcInfo.proxyPort),
Protocol: "TCP",
}}},
}})
svcInfo, exists = p.getServiceInfo(service)
if !exists {
t.Fatalf("service with ClusterIP set not found in the proxy")
}
testEchoTCP(t, "127.0.0.1", svcInfo.proxyPort)
waitForNumProxyLoops(t, p, 1)
}
