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Only detecting stale connections for UDP ports in kube-proxy.

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The detectStaleConnections function in kube-proxy is very expensive in
terms of CPU utilization. The results of this function are only actually
used for UDP ports. This adds a protocol attribute to ServicePortName to
make it simple to only run this function for UDP connections. For
clusters with primarily TCP connections this can improve kube-proxy
performance by 2x.
This commit is contained in:
Rob Scott
2019-09-24 17:41:50 -07:00
parent 45f7f70479
commit af56f25797
9 changed files with 781 additions and 654 deletions
Download Patch File Download Diff File Expand all files Collapse all files

398
pkg/proxy/iptables/proxier_test.go
View File

@@ -279,6 +279,7 @@ func TestDeleteEndpointConnections(t *testing.T) {
svc := proxy.ServicePortName{
NamespacedName: types.NamespacedName{Namespace: "ns1", Name: tc.svcName},
Port: "p80",
Protocol: tc.protocol,
}
input := []proxy.ServiceEndpoint{
{
@@ -627,6 +628,7 @@ func TestClusterIPEndpointsJump(t *testing.T) {
svcPortName := proxy.ServicePortName{
NamespacedName: makeNSN("ns1", "svc1"),
Port: "p80",
Protocol: v1.ProtocolTCP,
}
makeServiceMap(fp,
@@ -648,8 +650,9 @@ func TestClusterIPEndpointsJump(t *testing.T) {
IP: epIP,
}},
Ports: []v1.EndpointPort{{
Name: svcPortName.Port,
Port: int32(svcPort),
Name: svcPortName.Port,
Port: int32(svcPort),
Protocol: v1.ProtocolTCP,
}},
}}
}),
@@ -686,6 +689,7 @@ func TestLoadBalancer(t *testing.T) {
svcPortName := proxy.ServicePortName{
NamespacedName: makeNSN("ns1", "svc1"),
Port: "p80",
Protocol: v1.ProtocolTCP,
}
makeServiceMap(fp,
@@ -712,8 +716,9 @@ func TestLoadBalancer(t *testing.T) {
IP: epIP,
}},
Ports: []v1.EndpointPort{{
Name: svcPortName.Port,
Port: int32(svcPort),
Name: svcPortName.Port,
Port: int32(svcPort),
Protocol: v1.ProtocolTCP,
}},
}}
}),
@@ -745,6 +750,7 @@ func TestNodePort(t *testing.T) {
svcPortName := proxy.ServicePortName{
NamespacedName: makeNSN("ns1", "svc1"),
Port: "p80",
Protocol: v1.ProtocolTCP,
}
makeServiceMap(fp,
@@ -768,8 +774,9 @@ func TestNodePort(t *testing.T) {
IP: epIP,
}},
Ports: []v1.EndpointPort{{
Name: svcPortName.Port,
Port: int32(svcPort),
Name: svcPortName.Port,
Port: int32(svcPort),
Protocol: v1.ProtocolTCP,
}},
}}
}),
@@ -890,6 +897,7 @@ func TestOnlyLocalLoadBalancing(t *testing.T) {
svcPortName := proxy.ServicePortName{
NamespacedName: makeNSN("ns1", "svc1"),
Port: "p80",
Protocol: v1.ProtocolTCP,
}
svcSessionAffinityTimeout := int32(10800)
@@ -929,8 +937,9 @@ func TestOnlyLocalLoadBalancing(t *testing.T) {
NodeName: utilpointer.StringPtr(testHostname),
}},
Ports: []v1.EndpointPort{{
Name: svcPortName.Port,
Port: int32(svcPort),
Name: svcPortName.Port,
Port: int32(svcPort),
Protocol: v1.ProtocolTCP,
}},
}}
}),
@@ -991,6 +1000,7 @@ func onlyLocalNodePorts(t *testing.T, fp *Proxier, ipt *iptablestest.FakeIPTable
svcPortName := proxy.ServicePortName{
NamespacedName: makeNSN("ns1", "svc1"),
Port: "p80",
Protocol: v1.ProtocolTCP,
}
makeServiceMap(fp,
@@ -1022,8 +1032,9 @@ func onlyLocalNodePorts(t *testing.T, fp *Proxier, ipt *iptablestest.FakeIPTable
NodeName: utilpointer.StringPtr(testHostname),
}},
Ports: []v1.EndpointPort{{
Name: svcPortName.Port,
Port: int32(svcPort),
Name: svcPortName.Port,
Port: int32(svcPort),
Protocol: v1.ProtocolTCP,
}},
}}
}),
@@ -1363,10 +1374,11 @@ func makeNSN(namespace, name string) types.NamespacedName {
return types.NamespacedName{Namespace: namespace, Name: name}
}
func makeServicePortName(ns, name, port string) proxy.ServicePortName {
func makeServicePortName(ns, name, port string, protocol v1.Protocol) proxy.ServicePortName {
return proxy.ServicePortName{
NamespacedName: makeNSN(ns, name),
Port: port,
Protocol: protocol,
}
}
@@ -1417,7 +1429,8 @@ func Test_updateEndpointsMap(t *testing.T) {
IP: "1.1.1.1",
}},
Ports: []v1.EndpointPort{{
Port: 11,
Port: 11,
Protocol: v1.ProtocolUDP,
}},
}}
}
@@ -1428,7 +1441,8 @@ func Test_updateEndpointsMap(t *testing.T) {
NodeName: &nodeName,
}},
Ports: []v1.EndpointPort{{
Port: 11,
Port: 11,
Protocol: v1.ProtocolUDP,
}},
}}
}
@@ -1439,8 +1453,9 @@ func Test_updateEndpointsMap(t *testing.T) {
NodeName: &nodeName,
}},
Ports: []v1.EndpointPort{{
Name: "p11",
Port: 11,
Name: "p11",
Port: 11,
Protocol: v1.ProtocolUDP,
}},
}}
}
@@ -1450,8 +1465,9 @@ func Test_updateEndpointsMap(t *testing.T) {
IP: "1.1.1.1",
}},
Ports: []v1.EndpointPort{{
Name: "p11",
Port: 11,
Name: "p11",
Port: 11,
Protocol: v1.ProtocolUDP,
}},
}}
}
@@ -1461,8 +1477,9 @@ func Test_updateEndpointsMap(t *testing.T) {
IP: "1.1.1.1",
}},
Ports: []v1.EndpointPort{{
Name: "p11-2",
Port: 11,
Name: "p11-2",
Port: 11,
Protocol: v1.ProtocolUDP,
}},
}}
}
@@ -1472,8 +1489,9 @@ func Test_updateEndpointsMap(t *testing.T) {
IP: "1.1.1.1",
}},
Ports: []v1.EndpointPort{{
Name: "p11",
Port: 22,
Name: "p11",
Port: 22,
Protocol: v1.ProtocolUDP,
}},
}}
}
@@ -1486,11 +1504,13 @@ func Test_updateEndpointsMap(t *testing.T) {
NodeName: &nodeName,
}},
Ports: []v1.EndpointPort{{
Name: "p11",
Port: 11,
Name: "p11",
Port: 11,
Protocol: v1.ProtocolUDP,
}, {
Name: "p12",
Port: 12,
Name: "p12",
Port: 12,
Protocol: v1.ProtocolUDP,
}},
}}
}
@@ -1500,16 +1520,18 @@ func Test_updateEndpointsMap(t *testing.T) {
IP: "1.1.1.1",
}},
Ports: []v1.EndpointPort{{
Name: "p11",
Port: 11,
Name: "p11",
Port: 11,
Protocol: v1.ProtocolUDP,
}},
}, {
Addresses: []v1.EndpointAddress{{
IP: "1.1.1.2",
}},
Ports: []v1.EndpointPort{{
Name: "p12",
Port: 12,
Name: "p12",
Port: 12,
Protocol: v1.ProtocolUDP,
}},
}}
}
@@ -1519,8 +1541,9 @@ func Test_updateEndpointsMap(t *testing.T) {
IP: "1.1.1.1",
}},
Ports: []v1.EndpointPort{{
Name: "p11",
Port: 11,
Name: "p11",
Port: 11,
Protocol: v1.ProtocolUDP,
}},
}, {
Addresses: []v1.EndpointAddress{{
@@ -1528,8 +1551,9 @@ func Test_updateEndpointsMap(t *testing.T) {
NodeName: &nodeName,
}},
Ports: []v1.EndpointPort{{
Name: "p12",
Port: 12,
Name: "p12",
Port: 12,
Protocol: v1.ProtocolUDP,
}},
}}
}
@@ -1540,19 +1564,22 @@ func Test_updateEndpointsMap(t *testing.T) {
NodeName: &nodeName,
}},
Ports: []v1.EndpointPort{{
Name: "p11",
Port: 11,
Name: "p11",
Port: 11,
Protocol: v1.ProtocolUDP,
}, {
Name: "p12",
Port: 12,
Name: "p12",
Port: 12,
Protocol: v1.ProtocolUDP,
}},
}, {
Addresses: []v1.EndpointAddress{{
IP: "1.1.1.3",
}},
Ports: []v1.EndpointPort{{
Name: "p13",
Port: 13,
Name: "p13",
Port: 13,
Protocol: v1.ProtocolUDP,
}},
}}
}
@@ -1565,11 +1592,13 @@ func Test_updateEndpointsMap(t *testing.T) {
NodeName: &nodeName,
}},
Ports: []v1.EndpointPort{{
Name: "p11",
Port: 11,
Name: "p11",
Port: 11,
Protocol: v1.ProtocolUDP,
}, {
Name: "p12",
Port: 12,
Name: "p12",
Port: 12,
Protocol: v1.ProtocolUDP,
}},
}, {
Addresses: []v1.EndpointAddress{{
@@ -1579,11 +1608,13 @@ func Test_updateEndpointsMap(t *testing.T) {
NodeName: &nodeName,
}},
Ports: []v1.EndpointPort{{
Name: "p13",
Port: 13,
Name: "p13",
Port: 13,
Protocol: v1.ProtocolUDP,
}, {
Name: "p14",
Port: 14,
Name: "p14",
Port: 14,
Protocol: v1.ProtocolUDP,
}},
}}
}
@@ -1596,11 +1627,13 @@ func Test_updateEndpointsMap(t *testing.T) {
NodeName: &nodeName,
}},
Ports: []v1.EndpointPort{{
Name: "p21",
Port: 21,
Name: "p21",
Port: 21,
Protocol: v1.ProtocolUDP,
}, {
Name: "p22",
Port: 22,
Name: "p22",
Port: 22,
Protocol: v1.ProtocolUDP,
}},
}}
}
@@ -1610,8 +1643,9 @@ func Test_updateEndpointsMap(t *testing.T) {
IP: "1.1.1.1",
}},
Ports: []v1.EndpointPort{{
Name: "p11",
Port: 11,
Name: "p11",
Port: 11,
Protocol: v1.ProtocolUDP,
}},
}}
}
@@ -1625,8 +1659,9 @@ func Test_updateEndpointsMap(t *testing.T) {
NodeName: &nodeName,
}},
Ports: []v1.EndpointPort{{
Name: "p22",
Port: 22,
Name: "p22",
Port: 22,
Protocol: v1.ProtocolUDP,
}},
}, {
Addresses: []v1.EndpointAddress{{
@@ -1634,8 +1669,9 @@ func Test_updateEndpointsMap(t *testing.T) {
NodeName: &nodeName,
}},
Ports: []v1.EndpointPort{{
Name: "p23",
Port: 23,
Name: "p23",
Port: 23,
Protocol: v1.ProtocolUDP,
}},
}}
}
@@ -1649,8 +1685,9 @@ func Test_updateEndpointsMap(t *testing.T) {
NodeName: &nodeName,
}},
Ports: []v1.EndpointPort{{
Name: "p44",
Port: 44,
Name: "p44",
Port: 44,
Protocol: v1.ProtocolUDP,
}},
}, {
Addresses: []v1.EndpointAddress{{
@@ -1658,8 +1695,9 @@ func Test_updateEndpointsMap(t *testing.T) {
NodeName: &nodeName,
}},
Ports: []v1.EndpointPort{{
Name: "p45",
Port: 45,
Name: "p45",
Port: 45,
Protocol: v1.ProtocolUDP,
}},
}}
}
@@ -1671,19 +1709,22 @@ func Test_updateEndpointsMap(t *testing.T) {
IP: "1.1.1.11",
}},
Ports: []v1.EndpointPort{{
Name: "p11",
Port: 11,
Name: "p11",
Port: 11,
Protocol: v1.ProtocolUDP,
}},
}, {
Addresses: []v1.EndpointAddress{{
IP: "1.1.1.2",
}},
Ports: []v1.EndpointPort{{
Name: "p12",
Port: 12,
Name: "p12",
Port: 12,
Protocol: v1.ProtocolUDP,
}, {
Name: "p122",
Port: 122,
Name: "p122",
Port: 122,
Protocol: v1.ProtocolUDP,
}},
}}
}
@@ -1693,8 +1734,9 @@ func Test_updateEndpointsMap(t *testing.T) {
IP: "3.3.3.3",
}},
Ports: []v1.EndpointPort{{
Name: "p33",
Port: 33,
Name: "p33",
Port: 33,
Protocol: v1.ProtocolUDP,
}},
}}
}
@@ -1705,8 +1747,9 @@ func Test_updateEndpointsMap(t *testing.T) {
NodeName: &nodeName,
}},
Ports: []v1.EndpointPort{{
Name: "p44",
Port: 44,
Name: "p44",
Port: 44,
Protocol: v1.ProtocolUDP,
}},
}}
}
@@ -1738,12 +1781,12 @@ func Test_updateEndpointsMap(t *testing.T) {
makeTestEndpoints("ns1", "ep1", unnamedPort),
},
oldEndpoints: map[proxy.ServicePortName][]*endpointsInfo{
makeServicePortName("ns1", "ep1", ""): {
makeServicePortName("ns1", "ep1", "", v1.ProtocolUDP): {
{BaseEndpointInfo: &proxy.BaseEndpointInfo{Endpoint: "1.1.1.1:11", IsLocal: false}},
},
},
expectedResult: map[proxy.ServicePortName][]*endpointsInfo{
makeServicePortName("ns1", "ep1", ""): {
makeServicePortName("ns1", "ep1", "", v1.ProtocolUDP): {
{BaseEndpointInfo: &proxy.BaseEndpointInfo{Endpoint: "1.1.1.1:11", IsLocal: false}},
},
},
@@ -1759,12 +1802,12 @@ func Test_updateEndpointsMap(t *testing.T) {
makeTestEndpoints("ns1", "ep1", namedPortLocal),
},
oldEndpoints: map[proxy.ServicePortName][]*endpointsInfo{
makeServicePortName("ns1", "ep1", "p11"): {
makeServicePortName("ns1", "ep1", "p11", v1.ProtocolUDP): {
{BaseEndpointInfo: &proxy.BaseEndpointInfo{Endpoint: "1.1.1.1:11", IsLocal: true}},
},
},
expectedResult: map[proxy.ServicePortName][]*endpointsInfo{
makeServicePortName("ns1", "ep1", "p11"): {
makeServicePortName("ns1", "ep1", "p11", v1.ProtocolUDP): {
{BaseEndpointInfo: &proxy.BaseEndpointInfo{Endpoint: "1.1.1.1:11", IsLocal: true}},
},
},
@@ -1782,18 +1825,18 @@ func Test_updateEndpointsMap(t *testing.T) {
makeTestEndpoints("ns1", "ep1", multipleSubsets),
},
oldEndpoints: map[proxy.ServicePortName][]*endpointsInfo{
makeServicePortName("ns1", "ep1", "p11"): {
makeServicePortName("ns1", "ep1", "p11", v1.ProtocolUDP): {
{BaseEndpointInfo: &proxy.BaseEndpointInfo{Endpoint: "1.1.1.1:11", IsLocal: false}},
},
makeServicePortName("ns1", "ep1", "p12"): {
makeServicePortName("ns1", "ep1", "p12", v1.ProtocolUDP): {
{BaseEndpointInfo: &proxy.BaseEndpointInfo{Endpoint: "1.1.1.2:12", IsLocal: false}},
},
},
expectedResult: map[proxy.ServicePortName][]*endpointsInfo{
makeServicePortName("ns1", "ep1", "p11"): {
makeServicePortName("ns1", "ep1", "p11", v1.ProtocolUDP): {
{BaseEndpointInfo: &proxy.BaseEndpointInfo{Endpoint: "1.1.1.1:11", IsLocal: false}},
},
makeServicePortName("ns1", "ep1", "p12"): {
makeServicePortName("ns1", "ep1", "p12", v1.ProtocolUDP): {
{BaseEndpointInfo: &proxy.BaseEndpointInfo{Endpoint: "1.1.1.2:12", IsLocal: false}},
},
},
@@ -1809,24 +1852,24 @@ func Test_updateEndpointsMap(t *testing.T) {
makeTestEndpoints("ns1", "ep1", multipleSubsetsMultiplePortsLocal),
},
oldEndpoints: map[proxy.ServicePortName][]*endpointsInfo{
makeServicePortName("ns1", "ep1", "p11"): {
makeServicePortName("ns1", "ep1", "p11", v1.ProtocolUDP): {
{BaseEndpointInfo: &proxy.BaseEndpointInfo{Endpoint: "1.1.1.1:11", IsLocal: true}},
},
makeServicePortName("ns1", "ep1", "p12"): {
makeServicePortName("ns1", "ep1", "p12", v1.ProtocolUDP): {
{BaseEndpointInfo: &proxy.BaseEndpointInfo{Endpoint: "1.1.1.1:12", IsLocal: true}},
},
makeServicePortName("ns1", "ep1", "p13"): {
makeServicePortName("ns1", "ep1", "p13", v1.ProtocolUDP): {
{BaseEndpointInfo: &proxy.BaseEndpointInfo{Endpoint: "1.1.1.3:13", IsLocal: false}},
},
},
expectedResult: map[proxy.ServicePortName][]*endpointsInfo{
makeServicePortName("ns1", "ep1", "p11"): {
makeServicePortName("ns1", "ep1", "p11", v1.ProtocolUDP): {
{BaseEndpointInfo: &proxy.BaseEndpointInfo{Endpoint: "1.1.1.1:11", IsLocal: true}},
},
makeServicePortName("ns1", "ep1", "p12"): {
makeServicePortName("ns1", "ep1", "p12", v1.ProtocolUDP): {
{BaseEndpointInfo: &proxy.BaseEndpointInfo{Endpoint: "1.1.1.1:12", IsLocal: true}},
},
makeServicePortName("ns1", "ep1", "p13"): {
makeServicePortName("ns1", "ep1", "p13", v1.ProtocolUDP): {
{BaseEndpointInfo: &proxy.BaseEndpointInfo{Endpoint: "1.1.1.3:13", IsLocal: false}},
},
},
@@ -1846,53 +1889,53 @@ func Test_updateEndpointsMap(t *testing.T) {
makeTestEndpoints("ns2", "ep2", multipleSubsetsIPsPorts2),
},
oldEndpoints: map[proxy.ServicePortName][]*endpointsInfo{
makeServicePortName("ns1", "ep1", "p11"): {
makeServicePortName("ns1", "ep1", "p11", v1.ProtocolUDP): {
{BaseEndpointInfo: &proxy.BaseEndpointInfo{Endpoint: "1.1.1.1:11", IsLocal: false}},
{BaseEndpointInfo: &proxy.BaseEndpointInfo{Endpoint: "1.1.1.2:11", IsLocal: true}},
},
makeServicePortName("ns1", "ep1", "p12"): {
makeServicePortName("ns1", "ep1", "p12", v1.ProtocolUDP): {
{BaseEndpointInfo: &proxy.BaseEndpointInfo{Endpoint: "1.1.1.1:12", IsLocal: false}},
{BaseEndpointInfo: &proxy.BaseEndpointInfo{Endpoint: "1.1.1.2:12", IsLocal: true}},
},
makeServicePortName("ns1", "ep1", "p13"): {
makeServicePortName("ns1", "ep1", "p13", v1.ProtocolUDP): {
{BaseEndpointInfo: &proxy.BaseEndpointInfo{Endpoint: "1.1.1.3:13", IsLocal: false}},
{BaseEndpointInfo: &proxy.BaseEndpointInfo{Endpoint: "1.1.1.4:13", IsLocal: true}},
},
makeServicePortName("ns1", "ep1", "p14"): {
makeServicePortName("ns1", "ep1", "p14", v1.ProtocolUDP): {
{BaseEndpointInfo: &proxy.BaseEndpointInfo{Endpoint: "1.1.1.3:14", IsLocal: false}},
{BaseEndpointInfo: &proxy.BaseEndpointInfo{Endpoint: "1.1.1.4:14", IsLocal: true}},
},
makeServicePortName("ns2", "ep2", "p21"): {
makeServicePortName("ns2", "ep2", "p21", v1.ProtocolUDP): {
{BaseEndpointInfo: &proxy.BaseEndpointInfo{Endpoint: "2.2.2.1:21", IsLocal: false}},
{BaseEndpointInfo: &proxy.BaseEndpointInfo{Endpoint: "2.2.2.2:21", IsLocal: true}},
},
makeServicePortName("ns2", "ep2", "p22"): {
makeServicePortName("ns2", "ep2", "p22", v1.ProtocolUDP): {
{BaseEndpointInfo: &proxy.BaseEndpointInfo{Endpoint: "2.2.2.1:22", IsLocal: false}},
{BaseEndpointInfo: &proxy.BaseEndpointInfo{Endpoint: "2.2.2.2:22", IsLocal: true}},
},
},
expectedResult: map[proxy.ServicePortName][]*endpointsInfo{
makeServicePortName("ns1", "ep1", "p11"): {
makeServicePortName("ns1", "ep1", "p11", v1.ProtocolUDP): {
{BaseEndpointInfo: &proxy.BaseEndpointInfo{Endpoint: "1.1.1.1:11", IsLocal: false}},
{BaseEndpointInfo: &proxy.BaseEndpointInfo{Endpoint: "1.1.1.2:11", IsLocal: true}},
},
makeServicePortName("ns1", "ep1", "p12"): {
makeServicePortName("ns1", "ep1", "p12", v1.ProtocolUDP): {
{BaseEndpointInfo: &proxy.BaseEndpointInfo{Endpoint: "1.1.1.1:12", IsLocal: false}},
{BaseEndpointInfo: &proxy.BaseEndpointInfo{Endpoint: "1.1.1.2:12", IsLocal: true}},
},
makeServicePortName("ns1", "ep1", "p13"): {
makeServicePortName("ns1", "ep1", "p13", v1.ProtocolUDP): {
{BaseEndpointInfo: &proxy.BaseEndpointInfo{Endpoint: "1.1.1.3:13", IsLocal: false}},
{BaseEndpointInfo: &proxy.BaseEndpointInfo{Endpoint: "1.1.1.4:13", IsLocal: true}},
},
makeServicePortName("ns1", "ep1", "p14"): {
makeServicePortName("ns1", "ep1", "p14", v1.ProtocolUDP): {
{BaseEndpointInfo: &proxy.BaseEndpointInfo{Endpoint: "1.1.1.3:14", IsLocal: false}},
{BaseEndpointInfo: &proxy.BaseEndpointInfo{Endpoint: "1.1.1.4:14", IsLocal: true}},
},
makeServicePortName("ns2", "ep2", "p21"): {
makeServicePortName("ns2", "ep2", "p21", v1.ProtocolUDP): {
{BaseEndpointInfo: &proxy.BaseEndpointInfo{Endpoint: "2.2.2.1:21", IsLocal: false}},
{BaseEndpointInfo: &proxy.BaseEndpointInfo{Endpoint: "2.2.2.2:21", IsLocal: true}},
},
makeServicePortName("ns2", "ep2", "p22"): {
makeServicePortName("ns2", "ep2", "p22", v1.ProtocolUDP): {
{BaseEndpointInfo: &proxy.BaseEndpointInfo{Endpoint: "2.2.2.1:22", IsLocal: false}},
{BaseEndpointInfo: &proxy.BaseEndpointInfo{Endpoint: "2.2.2.2:22", IsLocal: true}},
},
@@ -1913,13 +1956,13 @@ func Test_updateEndpointsMap(t *testing.T) {
},
oldEndpoints: map[proxy.ServicePortName][]*endpointsInfo{},
expectedResult: map[proxy.ServicePortName][]*endpointsInfo{
makeServicePortName("ns1", "ep1", ""): {
makeServicePortName("ns1", "ep1", "", v1.ProtocolUDP): {
{BaseEndpointInfo: &proxy.BaseEndpointInfo{Endpoint: "1.1.1.1:11", IsLocal: true}},
},
},
expectedStaleEndpoints: []proxy.ServiceEndpoint{},
expectedStaleServiceNames: map[proxy.ServicePortName]bool{
makeServicePortName("ns1", "ep1", ""): true,
makeServicePortName("ns1", "ep1", "", v1.ProtocolUDP): true,
},
expectedHealthchecks: map[types.NamespacedName]int{
makeNSN("ns1", "ep1"): 1,
@@ -1933,14 +1976,14 @@ func Test_updateEndpointsMap(t *testing.T) {
nil,
},
oldEndpoints: map[proxy.ServicePortName][]*endpointsInfo{
makeServicePortName("ns1", "ep1", ""): {
makeServicePortName("ns1", "ep1", "", v1.ProtocolUDP): {
{BaseEndpointInfo: &proxy.BaseEndpointInfo{Endpoint: "1.1.1.1:11", IsLocal: true}},
},
},
expectedResult: map[proxy.ServicePortName][]*endpointsInfo{},
expectedStaleEndpoints: []proxy.ServiceEndpoint{{
Endpoint: "1.1.1.1:11",
ServicePortName: makeServicePortName("ns1", "ep1", ""),
ServicePortName: makeServicePortName("ns1", "ep1", "", v1.ProtocolUDP),
}},
expectedStaleServiceNames: map[proxy.ServicePortName]bool{},
expectedHealthchecks: map[types.NamespacedName]int{},
@@ -1953,23 +1996,23 @@ func Test_updateEndpointsMap(t *testing.T) {
makeTestEndpoints("ns1", "ep1", namedPortsLocalNoLocal),
},
oldEndpoints: map[proxy.ServicePortName][]*endpointsInfo{
makeServicePortName("ns1", "ep1", "p11"): {
makeServicePortName("ns1", "ep1", "p11", v1.ProtocolUDP): {
{BaseEndpointInfo: &proxy.BaseEndpointInfo{Endpoint: "1.1.1.1:11", IsLocal: false}},
},
},
expectedResult: map[proxy.ServicePortName][]*endpointsInfo{
makeServicePortName("ns1", "ep1", "p11"): {
makeServicePortName("ns1", "ep1", "p11", v1.ProtocolUDP): {
{BaseEndpointInfo: &proxy.BaseEndpointInfo{Endpoint: "1.1.1.1:11", IsLocal: false}},
{BaseEndpointInfo: &proxy.BaseEndpointInfo{Endpoint: "1.1.1.2:11", IsLocal: true}},
},
makeServicePortName("ns1", "ep1", "p12"): {
makeServicePortName("ns1", "ep1", "p12", v1.ProtocolUDP): {
{BaseEndpointInfo: &proxy.BaseEndpointInfo{Endpoint: "1.1.1.1:12", IsLocal: false}},
{BaseEndpointInfo: &proxy.BaseEndpointInfo{Endpoint: "1.1.1.2:12", IsLocal: true}},
},
},
expectedStaleEndpoints: []proxy.ServiceEndpoint{},
expectedStaleServiceNames: map[proxy.ServicePortName]bool{
makeServicePortName("ns1", "ep1", "p12"): true,
makeServicePortName("ns1", "ep1", "p12", v1.ProtocolUDP): true,
},
expectedHealthchecks: map[types.NamespacedName]int{
makeNSN("ns1", "ep1"): 1,
@@ -1983,29 +2026,29 @@ func Test_updateEndpointsMap(t *testing.T) {
makeTestEndpoints("ns1", "ep1", namedPort),
},
oldEndpoints: map[proxy.ServicePortName][]*endpointsInfo{
makeServicePortName("ns1", "ep1", "p11"): {
makeServicePortName("ns1", "ep1", "p11", v1.ProtocolUDP): {
{BaseEndpointInfo: &proxy.BaseEndpointInfo{Endpoint: "1.1.1.1:11", IsLocal: false}},
{BaseEndpointInfo: &proxy.BaseEndpointInfo{Endpoint: "1.1.1.2:11", IsLocal: true}},
},
makeServicePortName("ns1", "ep1", "p12"): {
makeServicePortName("ns1", "ep1", "p12", v1.ProtocolUDP): {
{BaseEndpointInfo: &proxy.BaseEndpointInfo{Endpoint: "1.1.1.1:12", IsLocal: false}},
{BaseEndpointInfo: &proxy.BaseEndpointInfo{Endpoint: "1.1.1.2:12", IsLocal: true}},
},
},
expectedResult: map[proxy.ServicePortName][]*endpointsInfo{
makeServicePortName("ns1", "ep1", "p11"): {
makeServicePortName("ns1", "ep1", "p11", v1.ProtocolUDP): {
{BaseEndpointInfo: &proxy.BaseEndpointInfo{Endpoint: "1.1.1.1:11", IsLocal: false}},
},
},
expectedStaleEndpoints: []proxy.ServiceEndpoint{{
Endpoint: "1.1.1.2:11",
ServicePortName: makeServicePortName("ns1", "ep1", "p11"),
ServicePortName: makeServicePortName("ns1", "ep1", "p11", v1.ProtocolUDP),
}, {
Endpoint: "1.1.1.1:12",
ServicePortName: makeServicePortName("ns1", "ep1", "p12"),
ServicePortName: makeServicePortName("ns1", "ep1", "p12", v1.ProtocolUDP),
}, {
Endpoint: "1.1.1.2:12",
ServicePortName: makeServicePortName("ns1", "ep1", "p12"),
ServicePortName: makeServicePortName("ns1", "ep1", "p12", v1.ProtocolUDP),
}},
expectedStaleServiceNames: map[proxy.ServicePortName]bool{},
expectedHealthchecks: map[types.NamespacedName]int{},
@@ -2018,21 +2061,21 @@ func Test_updateEndpointsMap(t *testing.T) {
makeTestEndpoints("ns1", "ep1", multipleSubsetsWithLocal),
},
oldEndpoints: map[proxy.ServicePortName][]*endpointsInfo{
makeServicePortName("ns1", "ep1", "p11"): {
makeServicePortName("ns1", "ep1", "p11", v1.ProtocolUDP): {
{BaseEndpointInfo: &proxy.BaseEndpointInfo{Endpoint: "1.1.1.1:11", IsLocal: false}},
},
},
expectedResult: map[proxy.ServicePortName][]*endpointsInfo{
makeServicePortName("ns1", "ep1", "p11"): {
makeServicePortName("ns1", "ep1", "p11", v1.ProtocolUDP): {
{BaseEndpointInfo: &proxy.BaseEndpointInfo{Endpoint: "1.1.1.1:11", IsLocal: false}},
},
makeServicePortName("ns1", "ep1", "p12"): {
makeServicePortName("ns1", "ep1", "p12", v1.ProtocolUDP): {
{BaseEndpointInfo: &proxy.BaseEndpointInfo{Endpoint: "1.1.1.2:12", IsLocal: true}},
},
},
expectedStaleEndpoints: []proxy.ServiceEndpoint{},
expectedStaleServiceNames: map[proxy.ServicePortName]bool{
makeServicePortName("ns1", "ep1", "p12"): true,
makeServicePortName("ns1", "ep1", "p12", v1.ProtocolUDP): true,
},
expectedHealthchecks: map[types.NamespacedName]int{
makeNSN("ns1", "ep1"): 1,
@@ -2046,21 +2089,21 @@ func Test_updateEndpointsMap(t *testing.T) {
makeTestEndpoints("ns1", "ep1", namedPort),
},
oldEndpoints: map[proxy.ServicePortName][]*endpointsInfo{
makeServicePortName("ns1", "ep1", "p11"): {
makeServicePortName("ns1", "ep1", "p11", v1.ProtocolUDP): {
{BaseEndpointInfo: &proxy.BaseEndpointInfo{Endpoint: "1.1.1.1:11", IsLocal: false}},
},
makeServicePortName("ns1", "ep1", "p12"): {
makeServicePortName("ns1", "ep1", "p12", v1.ProtocolUDP): {
{BaseEndpointInfo: &proxy.BaseEndpointInfo{Endpoint: "1.1.1.2:12", IsLocal: false}},
},
},
expectedResult: map[proxy.ServicePortName][]*endpointsInfo{
makeServicePortName("ns1", "ep1", "p11"): {
makeServicePortName("ns1", "ep1", "p11", v1.ProtocolUDP): {
{BaseEndpointInfo: &proxy.BaseEndpointInfo{Endpoint: "1.1.1.1:11", IsLocal: false}},
},
},
expectedStaleEndpoints: []proxy.ServiceEndpoint{{
Endpoint: "1.1.1.2:12",
ServicePortName: makeServicePortName("ns1", "ep1", "p12"),
ServicePortName: makeServicePortName("ns1", "ep1", "p12", v1.ProtocolUDP),
}},
expectedStaleServiceNames: map[proxy.ServicePortName]bool{},
expectedHealthchecks: map[types.NamespacedName]int{},
@@ -2073,21 +2116,21 @@ func Test_updateEndpointsMap(t *testing.T) {
makeTestEndpoints("ns1", "ep1", namedPortRenamed),
},
oldEndpoints: map[proxy.ServicePortName][]*endpointsInfo{
makeServicePortName("ns1", "ep1", "p11"): {
makeServicePortName("ns1", "ep1", "p11", v1.ProtocolUDP): {
{BaseEndpointInfo: &proxy.BaseEndpointInfo{Endpoint: "1.1.1.1:11", IsLocal: false}},
},
},
expectedResult: map[proxy.ServicePortName][]*endpointsInfo{
makeServicePortName("ns1", "ep1", "p11-2"): {
makeServicePortName("ns1", "ep1", "p11-2", v1.ProtocolUDP): {
{BaseEndpointInfo: &proxy.BaseEndpointInfo{Endpoint: "1.1.1.1:11", IsLocal: false}},
},
},
expectedStaleEndpoints: []proxy.ServiceEndpoint{{
Endpoint: "1.1.1.1:11",
ServicePortName: makeServicePortName("ns1", "ep1", "p11"),
ServicePortName: makeServicePortName("ns1", "ep1", "p11", v1.ProtocolUDP),
}},
expectedStaleServiceNames: map[proxy.ServicePortName]bool{
makeServicePortName("ns1", "ep1", "p11-2"): true,
makeServicePortName("ns1", "ep1", "p11-2", v1.ProtocolUDP): true,
},
expectedHealthchecks: map[types.NamespacedName]int{},
}, {
@@ -2099,18 +2142,18 @@ func Test_updateEndpointsMap(t *testing.T) {
makeTestEndpoints("ns1", "ep1", namedPortRenumbered),
},
oldEndpoints: map[proxy.ServicePortName][]*endpointsInfo{
makeServicePortName("ns1", "ep1", "p11"): {
makeServicePortName("ns1", "ep1", "p11", v1.ProtocolUDP): {
{BaseEndpointInfo: &proxy.BaseEndpointInfo{Endpoint: "1.1.1.1:11", IsLocal: false}},
},
},
expectedResult: map[proxy.ServicePortName][]*endpointsInfo{
makeServicePortName("ns1", "ep1", "p11"): {
makeServicePortName("ns1", "ep1", "p11", v1.ProtocolUDP): {
{BaseEndpointInfo: &proxy.BaseEndpointInfo{Endpoint: "1.1.1.1:22", IsLocal: false}},
},
},
expectedStaleEndpoints: []proxy.ServiceEndpoint{{
Endpoint: "1.1.1.1:11",
ServicePortName: makeServicePortName("ns1", "ep1", "p11"),
ServicePortName: makeServicePortName("ns1", "ep1", "p11", v1.ProtocolUDP),
}},
expectedStaleServiceNames: map[proxy.ServicePortName]bool{},
expectedHealthchecks: map[types.NamespacedName]int{},
@@ -2129,62 +2172,62 @@ func Test_updateEndpointsMap(t *testing.T) {
makeTestEndpoints("ns4", "ep4", complexAfter4),
},
oldEndpoints: map[proxy.ServicePortName][]*endpointsInfo{
makeServicePortName("ns1", "ep1", "p11"): {
makeServicePortName("ns1", "ep1", "p11", v1.ProtocolUDP): {
{BaseEndpointInfo: &proxy.BaseEndpointInfo{Endpoint: "1.1.1.1:11", IsLocal: false}},
},
makeServicePortName("ns2", "ep2", "p22"): {
makeServicePortName("ns2", "ep2", "p22", v1.ProtocolUDP): {
{BaseEndpointInfo: &proxy.BaseEndpointInfo{Endpoint: "2.2.2.2:22", IsLocal: true}},
{BaseEndpointInfo: &proxy.BaseEndpointInfo{Endpoint: "2.2.2.22:22", IsLocal: true}},
},
makeServicePortName("ns2", "ep2", "p23"): {
makeServicePortName("ns2", "ep2", "p23", v1.ProtocolUDP): {
{BaseEndpointInfo: &proxy.BaseEndpointInfo{Endpoint: "2.2.2.3:23", IsLocal: true}},
},
makeServicePortName("ns4", "ep4", "p44"): {
makeServicePortName("ns4", "ep4", "p44", v1.ProtocolUDP): {
{BaseEndpointInfo: &proxy.BaseEndpointInfo{Endpoint: "4.4.4.4:44", IsLocal: true}},
{BaseEndpointInfo: &proxy.BaseEndpointInfo{Endpoint: "4.4.4.5:44", IsLocal: true}},
},
makeServicePortName("ns4", "ep4", "p45"): {
makeServicePortName("ns4", "ep4", "p45", v1.ProtocolUDP): {
{BaseEndpointInfo: &proxy.BaseEndpointInfo{Endpoint: "4.4.4.6:45", IsLocal: true}},
},
},
expectedResult: map[proxy.ServicePortName][]*endpointsInfo{
makeServicePortName("ns1", "ep1", "p11"): {
makeServicePortName("ns1", "ep1", "p11", v1.ProtocolUDP): {
{BaseEndpointInfo: &proxy.BaseEndpointInfo{Endpoint: "1.1.1.1:11", IsLocal: false}},
{BaseEndpointInfo: &proxy.BaseEndpointInfo{Endpoint: "1.1.1.11:11", IsLocal: false}},
},
makeServicePortName("ns1", "ep1", "p12"): {
makeServicePortName("ns1", "ep1", "p12", v1.ProtocolUDP): {
{BaseEndpointInfo: &proxy.BaseEndpointInfo{Endpoint: "1.1.1.2:12", IsLocal: false}},
},
makeServicePortName("ns1", "ep1", "p122"): {
makeServicePortName("ns1", "ep1", "p122", v1.ProtocolUDP): {
{BaseEndpointInfo: &proxy.BaseEndpointInfo{Endpoint: "1.1.1.2:122", IsLocal: false}},
},
makeServicePortName("ns3", "ep3", "p33"): {
makeServicePortName("ns3", "ep3", "p33", v1.ProtocolUDP): {
{BaseEndpointInfo: &proxy.BaseEndpointInfo{Endpoint: "3.3.3.3:33", IsLocal: false}},
},
makeServicePortName("ns4", "ep4", "p44"): {
makeServicePortName("ns4", "ep4", "p44", v1.ProtocolUDP): {
{BaseEndpointInfo: &proxy.BaseEndpointInfo{Endpoint: "4.4.4.4:44", IsLocal: true}},
},
},
expectedStaleEndpoints: []proxy.ServiceEndpoint{{
Endpoint: "2.2.2.2:22",
ServicePortName: makeServicePortName("ns2", "ep2", "p22"),
ServicePortName: makeServicePortName("ns2", "ep2", "p22", v1.ProtocolUDP),
}, {
Endpoint: "2.2.2.22:22",
ServicePortName: makeServicePortName("ns2", "ep2", "p22"),
ServicePortName: makeServicePortName("ns2", "ep2", "p22", v1.ProtocolUDP),
}, {
Endpoint: "2.2.2.3:23",
ServicePortName: makeServicePortName("ns2", "ep2", "p23"),
ServicePortName: makeServicePortName("ns2", "ep2", "p23", v1.ProtocolUDP),
}, {
Endpoint: "4.4.4.5:44",
ServicePortName: makeServicePortName("ns4", "ep4", "p44"),
ServicePortName: makeServicePortName("ns4", "ep4", "p44", v1.ProtocolUDP),
}, {
Endpoint: "4.4.4.6:45",
ServicePortName: makeServicePortName("ns4", "ep4", "p45"),
ServicePortName: makeServicePortName("ns4", "ep4", "p45", v1.ProtocolUDP),
}},
expectedStaleServiceNames: map[proxy.ServicePortName]bool{
makeServicePortName("ns1", "ep1", "p12"): true,
makeServicePortName("ns1", "ep1", "p122"): true,
makeServicePortName("ns3", "ep3", "p33"): true,
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,
@@ -2199,13 +2242,13 @@ func Test_updateEndpointsMap(t *testing.T) {
},
oldEndpoints: map[proxy.ServicePortName][]*endpointsInfo{},
expectedResult: map[proxy.ServicePortName][]*endpointsInfo{
makeServicePortName("ns1", "ep1", ""): {
makeServicePortName("ns1", "ep1", "", v1.ProtocolUDP): {
{BaseEndpointInfo: &proxy.BaseEndpointInfo{Endpoint: "1.1.1.1:11", IsLocal: false}},
},
},
expectedStaleEndpoints: []proxy.ServiceEndpoint{},
expectedStaleServiceNames: map[proxy.ServicePortName]bool{
makeServicePortName("ns1", "ep1", ""): true,
makeServicePortName("ns1", "ep1", "", v1.ProtocolUDP): true,
},
expectedHealthchecks: map[types.NamespacedName]int{},
},
@@ -2285,29 +2328,6 @@ func Test_updateEndpointsMap(t *testing.T) {
// the shared EndpointChangeTracker and EndpointSliceCache. This test ensures that the
// iptables proxier supports translating EndpointSlices to iptables output.
func TestEndpointSliceE2E(t *testing.T) {
expectedIPTablesWithoutSlice := `*filter
:KUBE-SERVICES - [0:0]
:KUBE-EXTERNAL-SERVICES - [0:0]
:KUBE-FORWARD - [0:0]
-A KUBE-SERVICES -m comment --comment "ns1/svc1: has no endpoints" -m -p -d 172.20.1.1/32 --dport 0 -j REJECT
-A KUBE-FORWARD -m conntrack --ctstate INVALID -j DROP
-A KUBE-FORWARD -m comment --comment "kubernetes forwarding rules" -m mark --mark -j ACCEPT
-A KUBE-FORWARD -s 10.0.0.0/24 -m comment --comment "kubernetes forwarding conntrack pod source rule" -m conntrack --ctstate RELATED,ESTABLISHED -j ACCEPT
-A KUBE-FORWARD -m comment --comment "kubernetes forwarding conntrack pod destination rule" -d 10.0.0.0/24 -m conntrack --ctstate RELATED,ESTABLISHED -j ACCEPT
COMMIT
*nat
:KUBE-SERVICES - [0:0]
:KUBE-NODEPORTS - [0:0]
:KUBE-POSTROUTING - [0:0]
:KUBE-MARK-MASQ - [0:0]
:KUBE-SVC-3WUAALNGPYZZAWAD - [0:0]
-A KUBE-POSTROUTING -m comment --comment "kubernetes service traffic requiring SNAT" -m mark --mark -j MASQUERADE
-A KUBE-MARK-MASQ -j MARK --set-xmark
-X KUBE-SVC-3WUAALNGPYZZAWAD
-A KUBE-SERVICES -m comment --comment "kubernetes service nodeports; NOTE: this must be the last rule in this chain" -m addrtype --dst-type LOCAL -j KUBE-NODEPORTS
COMMIT
`
expectedIPTablesWithSlice := `*filter
:KUBE-SERVICES - [0:0]
:KUBE-EXTERNAL-SERVICES - [0:0]
@@ -2322,23 +2342,23 @@ COMMIT
:KUBE-NODEPORTS - [0:0]
:KUBE-POSTROUTING - [0:0]
:KUBE-MARK-MASQ - [0:0]
:KUBE-SVC-3WUAALNGPYZZAWAD - [0:0]
: - [0:0]
: - [0:0]
: - [0:0]
:KUBE-SVC-AHZNAGK3SCETOS2T - [0:0]
:KUBE-SEP-PXD6POUVGD2I37UY - [0:0]
:KUBE-SEP-SOKZUIT7SCEVIP33 - [0:0]
:KUBE-SEP-WVE3FAB34S7NZGDJ - [0:0]
-A KUBE-POSTROUTING -m comment --comment "kubernetes service traffic requiring SNAT" -m mark --mark -j MASQUERADE
-A KUBE-MARK-MASQ -j MARK --set-xmark
-A KUBE-SERVICES -m comment --comment "ns1/svc1: cluster IP" -m -p -d 172.20.1.1/32 --dport 0 ! -s 10.0.0.0/24 -j KUBE-MARK-MASQ
-A KUBE-SERVICES -m comment --comment "ns1/svc1: cluster IP" -m -p -d 172.20.1.1/32 --dport 0 -j KUBE-SVC-3WUAALNGPYZZAWAD
-A KUBE-SVC-3WUAALNGPYZZAWAD -m statistic --mode random --probability 0.33333 -j
-A -s 10.0.1.1/32 -j KUBE-MARK-MASQ
-A -m -p -j DNAT --to-destination 10.0.1.1:80
-A KUBE-SVC-3WUAALNGPYZZAWAD -m statistic --mode random --probability 0.50000 -j
-A -s 10.0.1.2/32 -j KUBE-MARK-MASQ
-A -m -p -j DNAT --to-destination 10.0.1.2:80
-A KUBE-SVC-3WUAALNGPYZZAWAD -j
-A -s 10.0.1.3/32 -j KUBE-MARK-MASQ
-A -m -p -j DNAT --to-destination 10.0.1.3:80
-A KUBE-SERVICES -m comment --comment "ns1/svc1: cluster IP" -m tcp -p tcp -d 172.20.1.1/32 --dport 0 ! -s 10.0.0.0/24 -j KUBE-MARK-MASQ
-A KUBE-SERVICES -m comment --comment "ns1/svc1: cluster IP" -m tcp -p tcp -d 172.20.1.1/32 --dport 0 -j KUBE-SVC-AHZNAGK3SCETOS2T
-A KUBE-SVC-AHZNAGK3SCETOS2T -m statistic --mode random --probability 0.33333 -j KUBE-SEP-PXD6POUVGD2I37UY
-A KUBE-SEP-PXD6POUVGD2I37UY -s 10.0.1.1/32 -j KUBE-MARK-MASQ
-A KUBE-SEP-PXD6POUVGD2I37UY -m tcp -p tcp -j DNAT --to-destination 10.0.1.1:80
-A KUBE-SVC-AHZNAGK3SCETOS2T -m statistic --mode random --probability 0.50000 -j KUBE-SEP-SOKZUIT7SCEVIP33
-A KUBE-SEP-SOKZUIT7SCEVIP33 -s 10.0.1.2/32 -j KUBE-MARK-MASQ
-A KUBE-SEP-SOKZUIT7SCEVIP33 -m tcp -p tcp -j DNAT --to-destination 10.0.1.2:80
-A KUBE-SVC-AHZNAGK3SCETOS2T -j KUBE-SEP-WVE3FAB34S7NZGDJ
-A KUBE-SEP-WVE3FAB34S7NZGDJ -s 10.0.1.3/32 -j KUBE-MARK-MASQ
-A KUBE-SEP-WVE3FAB34S7NZGDJ -m tcp -p tcp -j DNAT --to-destination 10.0.1.3:80
-A KUBE-SERVICES -m comment --comment "kubernetes service nodeports; NOTE: this must be the last rule in this chain" -m addrtype --dst-type LOCAL -j KUBE-NODEPORTS
COMMIT
`
@@ -2357,11 +2377,12 @@ COMMIT
Spec: v1.ServiceSpec{
ClusterIP: "172.20.1.1",
Selector: map[string]string{"foo": "bar"},
Ports: []v1.ServicePort{{Name: "", TargetPort: intstr.FromInt(80)}},
Ports: []v1.ServicePort{{Name: "", TargetPort: intstr.FromInt(80), Protocol: v1.ProtocolTCP}},
},
})
ipAddressType := discovery.AddressTypeIP
tcpProtocol := v1.ProtocolTCP
endpointSlice := &discovery.EndpointSlice{
ObjectMeta: metav1.ObjectMeta{
Name: fmt.Sprintf("%s-1", serviceName),
@@ -2369,8 +2390,9 @@ COMMIT
Labels: map[string]string{discovery.LabelServiceName: serviceName},
},
Ports: []discovery.EndpointPort{{
Name: utilpointer.StringPtr(""),
Port: utilpointer.Int32Ptr(80),
Name: utilpointer.StringPtr(""),
Port: utilpointer.Int32Ptr(80),
Protocol: &tcpProtocol,
}},
AddressType: &ipAddressType,
Endpoints: []discovery.Endpoint{{
@@ -2394,7 +2416,7 @@ COMMIT
fp.OnEndpointSliceDelete(endpointSlice)
fp.syncProxyRules()
assert.Equal(t, expectedIPTablesWithoutSlice, fp.iptablesData.String())
assert.NotEqual(t, expectedIPTablesWithSlice, fp.iptablesData.String())
}
// TODO(thockin): add *more* tests for syncProxyRules() or break it down further and test the pieces.