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Merge pull request #44019 from thockin/proxy-defer-on-update-events-2

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Automatic merge from submit-queue (batch tested with PRs 44019, 42225)

Move On*Update handling into sync funcion
This commit is contained in:
Kubernetes Submit Queue 2017-04-10 00:49:12 -07:00 committed by GitHub
commit 94836a52f7
2 changed files with 288 additions and 231 deletions
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102
pkg/proxy/iptables/proxier.go
View File

@ -154,9 +154,18 @@ type endpointsInfo struct {
isLocal bool
}
func (e *endpointsInfo) String() string {
return fmt.Sprintf("%v", *e)
}
// returns a new serviceInfo struct
func newServiceInfo(serviceName proxy.ServicePortName, port *api.ServicePort, service *api.Service) *serviceInfo {
onlyNodeLocalEndpoints := apiservice.NeedsHealthCheck(service) && utilfeature.DefaultFeatureGate.Enabled(features.ExternalTrafficLocalOnly) && (service.Spec.Type == api.ServiceTypeLoadBalancer || service.Spec.Type == api.ServiceTypeNodePort)
onlyNodeLocalEndpoints := false
if utilfeature.DefaultFeatureGate.Enabled(features.ExternalTrafficLocalOnly) &&
(service.Spec.Type == api.ServiceTypeLoadBalancer || service.Spec.Type == api.ServiceTypeNodePort) &&
apiservice.NeedsHealthCheck(service) {
onlyNodeLocalEndpoints = true
}
info := &serviceInfo{
clusterIP: net.ParseIP(service.Spec.ClusterIP),
port: int(port.Port),
@ -519,22 +528,7 @@ func (proxier *Proxier) OnServiceUpdate(allServices []*api.Service) {
glog.V(2).Info("Received first Services update")
}
proxier.allServices = allServices
newServiceMap, hcPorts, staleUDPServices := buildNewServiceMap(allServices, proxier.serviceMap)
// update healthcheck ports
if err := proxier.healthChecker.SyncServices(hcPorts); err != nil {
glog.Errorf("Error syncing healtcheck ports: %v", err)
}
if len(newServiceMap) != len(proxier.serviceMap) || !reflect.DeepEqual(newServiceMap, proxier.serviceMap) {
proxier.serviceMap = newServiceMap
proxier.syncProxyRules(syncReasonServices)
} else {
glog.V(4).Infof("Skipping proxy iptables rule sync on service update because nothing changed")
}
utilproxy.DeleteServiceConnections(proxier.exec, staleUDPServices.List())
proxier.syncProxyRules(syncReasonServices)
}
// OnEndpointsUpdate takes in a slice of updated endpoints.
@ -545,23 +539,7 @@ func (proxier *Proxier) OnEndpointsUpdate(allEndpoints []*api.Endpoints) {
glog.V(2).Info("Received first Endpoints update")
}
proxier.allEndpoints = allEndpoints
// TODO: once service has made this same transform, move this into proxier.syncProxyRules()
newMap, hcEndpoints, staleConnections := buildNewEndpointsMap(proxier.allEndpoints, proxier.endpointsMap, proxier.hostname)
// update healthcheck endpoints
if err := proxier.healthChecker.SyncEndpoints(hcEndpoints); err != nil {
glog.Errorf("Error syncing healthcheck endoints: %v", err)
}
if len(newMap) != len(proxier.endpointsMap) || !reflect.DeepEqual(newMap, proxier.endpointsMap) {
proxier.endpointsMap = newMap
proxier.syncProxyRules(syncReasonEndpoints)
} else {
glog.V(4).Infof("Skipping proxy iptables rule sync on endpoint update because nothing changed")
}
proxier.deleteEndpointConnections(staleConnections)
proxier.syncProxyRules(syncReasonEndpoints)
}
// Convert a slice of api.Endpoints objects into a map of service-port -> endpoints.
@ -574,7 +552,7 @@ func buildNewEndpointsMap(allEndpoints []*api.Endpoints, curMap proxyEndpointMap
// Update endpoints for services.
for i := range allEndpoints {
accumulateEndpointsMap(allEndpoints[i], hostname, curMap, &newMap)
accumulateEndpointsMap(allEndpoints[i], hostname, &newMap)
}
// Check stale connections against endpoints missing from the update.
// TODO: we should really only mark a connection stale if the proto was UDP
@ -632,10 +610,7 @@ func buildNewEndpointsMap(allEndpoints []*api.Endpoints, curMap proxyEndpointMap
// - hostPortInfo and endpointsInfo overlap too much
// - the test for this is overlapped by the test for buildNewEndpointsMap
// - naming is poor and responsibilities are muddled
func accumulateEndpointsMap(endpoints *api.Endpoints, hostname string,
curEndpoints proxyEndpointMap,
newEndpoints *proxyEndpointMap) {
func accumulateEndpointsMap(endpoints *api.Endpoints, hostname string, newEndpoints *proxyEndpointMap) {
// We need to build a map of portname -> all ip:ports for that
// portname. Explode Endpoints.Subsets[*] into this structure.
for i := range endpoints.Subsets {
@ -761,6 +736,25 @@ func (proxier *Proxier) syncProxyRules(reason syncReason) {
glog.V(2).Info("Not syncing iptables until Services and Endpoints have been received from master")
return
}
// Figure out the new services we need to activate.
newServices, hcServices, staleServices := buildNewServiceMap(proxier.allServices, proxier.serviceMap)
// If this was called because of a services update, but nothing actionable has changed, skip it.
if reason == syncReasonServices && reflect.DeepEqual(newServices, proxier.serviceMap) {
glog.V(3).Infof("Skipping iptables sync because nothing changed")
return
}
// Figure out the new endpoints we need to activate.
newEndpoints, hcEndpoints, staleEndpoints := buildNewEndpointsMap(proxier.allEndpoints, proxier.endpointsMap, proxier.hostname)
// If this was called because of an endpoints update, but nothing actionable has changed, skip it.
if reason == syncReasonEndpoints && reflect.DeepEqual(newEndpoints, proxier.endpointsMap) {
glog.V(3).Infof("Skipping iptables sync because nothing changed")
return
}
glog.V(3).Infof("Syncing iptables rules")
// Create and link the kube services chain.
@ -891,7 +885,7 @@ func (proxier *Proxier) syncProxyRules(reason syncReason) {
replacementPortsMap := map[localPort]closeable{}
// Build rules for each service.
for svcName, svcInfo := range proxier.serviceMap {
for svcName, svcInfo := range newServices {
protocol := strings.ToLower(string(svcInfo.protocol))
// Create the per-service chain, retaining counters if possible.
@ -1082,7 +1076,7 @@ func (proxier *Proxier) syncProxyRules(reason syncReason) {
continue
}
if lp.protocol == "udp" {
proxier.clearUdpConntrackForPort(lp.port)
proxier.clearUDPConntrackForPort(lp.port)
}
replacementPortsMap[lp] = socket
} // We're holding the port, so it's OK to install iptables rules.
@ -1108,7 +1102,7 @@ func (proxier *Proxier) syncProxyRules(reason syncReason) {
// table doesn't currently have the same per-service structure that
// the nat table does, so we just stick this into the kube-services
// chain.
if len(proxier.endpointsMap[svcName]) == 0 {
if len(newEndpoints[svcName]) == 0 {
writeLine(filterRules,
"-A", string(kubeServicesChain),
"-m", "comment", "--comment", fmt.Sprintf(`"%s has no endpoints"`, svcName.String()),
@ -1121,7 +1115,7 @@ func (proxier *Proxier) syncProxyRules(reason syncReason) {
}
// If the service has no endpoints then reject packets.
if len(proxier.endpointsMap[svcName]) == 0 {
if len(newEndpoints[svcName]) == 0 {
writeLine(filterRules,
"-A", string(kubeServicesChain),
"-m", "comment", "--comment", fmt.Sprintf(`"%s has no endpoints"`, svcName.String()),
@ -1140,7 +1134,7 @@ func (proxier *Proxier) syncProxyRules(reason syncReason) {
// These two slices parallel each other - keep in sync
endpoints := make([]*endpointsInfo, 0)
endpointChains := make([]utiliptables.Chain, 0)
for _, ep := range proxier.endpointsMap[svcName] {
for _, ep := range newEndpoints[svcName] {
endpoints = append(endpoints, ep)
endpointChain := servicePortEndpointChainName(svcName, protocol, ep.endpoint)
endpointChains = append(endpointChains, endpointChain)
@ -1317,6 +1311,24 @@ func (proxier *Proxier) syncProxyRules(reason syncReason) {
}
}
proxier.portsMap = replacementPortsMap
// Update healthchecks. The endpoints list might include services that are
// not "OnlyLocal", but the services list will not, and the healthChecker
// will just drop those endpoints.
if err := proxier.healthChecker.SyncServices(hcServices); err != nil {
glog.Errorf("Error syncing healtcheck services: %v", err)
}
if err := proxier.healthChecker.SyncEndpoints(hcEndpoints); err != nil {
glog.Errorf("Error syncing healthcheck endoints: %v", err)
}
// Finish housekeeping.
proxier.serviceMap = newServices
proxier.endpointsMap = newEndpoints
// TODO: these and clearUDPConntrackForPort() could be made more consistent.
utilproxy.DeleteServiceConnections(proxier.exec, staleServices.List())
proxier.deleteEndpointConnections(staleEndpoints)
}
// Clear UDP conntrack for port or all conntrack entries when port equal zero.
@ -1324,7 +1336,7 @@ func (proxier *Proxier) syncProxyRules(reason syncReason) {
// The solution is clearing the conntrack. Known issus:
// https://github.com/docker/docker/issues/8795
// https://github.com/kubernetes/kubernetes/issues/31983
func (proxier *Proxier) clearUdpConntrackForPort(port int) {
func (proxier *Proxier) clearUDPConntrackForPort(port int) {
glog.V(2).Infof("Deleting conntrack entries for udp connections")
if port > 0 {
err := utilproxy.ExecConntrackTool(proxier.exec, "-D", "-p", "udp", "--dport", strconv.Itoa(port))

417
pkg/proxy/iptables/proxier_test.go
View File

@ -551,7 +551,7 @@ func hasDNAT(rules []iptablestest.Rule, endpoint string) bool {
func errorf(msg string, rules []iptablestest.Rule, t *testing.T) {
for _, r := range rules {
t.Logf("%v", r)
t.Logf("%q", r)
}
t.Errorf("%v", msg)
}
@ -559,56 +559,80 @@ func errorf(msg string, rules []iptablestest.Rule, t *testing.T) {
func TestClusterIPReject(t *testing.T) {
ipt := iptablestest.NewFake()
fp := NewFakeProxier(ipt)
svcName := "svc1"
svcIP := net.IPv4(10, 20, 30, 41)
svcIP := "10.20.30.41"
svcPort := 80
svcPortName := proxy.ServicePortName{
NamespacedName: makeNSN("ns1", "svc1"),
Port: "p80",
}
svc := proxy.ServicePortName{NamespacedName: types.NamespacedName{Namespace: "ns1", Name: svcName}, Port: "p80"}
fp.serviceMap[svc] = newFakeServiceInfo(svc, svcIP, 80, api.ProtocolTCP, false)
fp.allServices = []*api.Service{
makeTestService(svcPortName.Namespace, svcPortName.Namespace, func(svc *api.Service) {
svc.Spec.ClusterIP = svcIP
svc.Spec.Ports = []api.ServicePort{{
Name: svcPortName.Port,
Port: int32(svcPort),
Protocol: api.ProtocolTCP,
}}
}),
}
fp.syncProxyRules(syncReasonForce)
svcChain := string(servicePortChainName(svc, strings.ToLower(string(api.ProtocolTCP))))
svcChain := string(servicePortChainName(svcPortName, strings.ToLower(string(api.ProtocolTCP))))
svcRules := ipt.GetRules(svcChain)
if len(svcRules) != 0 {
errorf(fmt.Sprintf("Unexpected rule for chain %v service %v without endpoints", svcChain, svcName), svcRules, t)
errorf(fmt.Sprintf("Unexpected rule for chain %v service %v without endpoints", svcChain, svcPortName), svcRules, t)
}
kubeSvcRules := ipt.GetRules(string(kubeServicesChain))
if !hasJump(kubeSvcRules, iptablestest.Reject, svcIP.String(), 80) {
errorf(fmt.Sprintf("Failed to find a %v rule for service %v with no endpoints", iptablestest.Reject, svcName), kubeSvcRules, t)
if !hasJump(kubeSvcRules, iptablestest.Reject, svcIP, svcPort) {
errorf(fmt.Sprintf("Failed to find a %v rule for service %v with no endpoints", iptablestest.Reject, svcPortName), kubeSvcRules, t)
}
}
func TestClusterIPEndpointsJump(t *testing.T) {
ipt := iptablestest.NewFake()
fp := NewFakeProxier(ipt)
svcName := "svc1"
svcIP := net.IPv4(10, 20, 30, 41)
svcIP := "10.20.30.41"
svcPort := 80
svcPortName := proxy.ServicePortName{
NamespacedName: makeNSN("ns1", "svc1"),
Port: "p80",
}
svc := proxy.ServicePortName{NamespacedName: types.NamespacedName{Namespace: "ns1", Name: svcName}, Port: "p80"}
fp.serviceMap[svc] = newFakeServiceInfo(svc, svcIP, 80, api.ProtocolTCP, true)
ip := "10.180.0.1"
port := 80
ep := fmt.Sprintf("%s:%d", ip, port)
allEndpoints := []*api.Endpoints{
makeTestEndpoints("ns1", svcName, func(ept *api.Endpoints) {
fp.allServices = []*api.Service{
makeTestService(svcPortName.Namespace, svcPortName.Name, func(svc *api.Service) {
svc.Spec.ClusterIP = svcIP
svc.Spec.Ports = []api.ServicePort{{
Name: svcPortName.Port,
Port: int32(svcPort),
Protocol: api.ProtocolTCP,
}}
}),
}
epIP := "10.180.0.1"
fp.allEndpoints = []*api.Endpoints{
makeTestEndpoints(svcPortName.Namespace, svcPortName.Name, func(ept *api.Endpoints) {
ept.Subsets = []api.EndpointSubset{{
Addresses: []api.EndpointAddress{{
IP: ip,
IP: epIP,
}},
Ports: []api.EndpointPort{{
Name: "p80",
Port: int32(port),
Name: svcPortName.Port,
Port: int32(svcPort),
}},
}}
}),
}
fp.OnEndpointsUpdate(allEndpoints)
fp.syncProxyRules(syncReasonForce)
svcChain := string(servicePortChainName(svc, strings.ToLower(string(api.ProtocolTCP))))
epChain := string(servicePortEndpointChainName(svc, strings.ToLower(string(api.ProtocolTCP)), ep))
epStr := fmt.Sprintf("%s:%d", epIP, svcPort)
svcChain := string(servicePortChainName(svcPortName, strings.ToLower(string(api.ProtocolTCP))))
epChain := string(servicePortEndpointChainName(svcPortName, strings.ToLower(string(api.ProtocolTCP)), epStr))
kubeSvcRules := ipt.GetRules(string(kubeServicesChain))
if !hasJump(kubeSvcRules, svcChain, svcIP.String(), 80) {
if !hasJump(kubeSvcRules, svcChain, svcIP, svcPort) {
errorf(fmt.Sprintf("Failed to find jump from KUBE-SERVICES to %v chain", svcChain), kubeSvcRules, t)
}
@ -617,40 +641,49 @@ func TestClusterIPEndpointsJump(t *testing.T) {
errorf(fmt.Sprintf("Failed to jump to ep chain %v", epChain), svcRules, t)
}
epRules := ipt.GetRules(epChain)
if !hasDNAT(epRules, ep) {
errorf(fmt.Sprintf("Endpoint chain %v lacks DNAT to %v", epChain, ep), epRules, t)
if !hasDNAT(epRules, epStr) {
errorf(fmt.Sprintf("Endpoint chain %v lacks DNAT to %v", epChain, epStr), epRules, t)
}
}
func typeLoadBalancer(svcInfo *serviceInfo) *serviceInfo {
svcInfo.nodePort = 3001
svcInfo.loadBalancerStatus = api.LoadBalancerStatus{
Ingress: []api.LoadBalancerIngress{{IP: "1.2.3.4"}},
}
return svcInfo
}
func TestLoadBalancer(t *testing.T) {
ipt := iptablestest.NewFake()
fp := NewFakeProxier(ipt)
svcName := "svc1"
svcIP := net.IPv4(10, 20, 30, 41)
svcIP := "10.20.30.41"
svcPort := 80
svcNodePort := 3001
svcLBIP := "1.2.3.4"
svcPortName := proxy.ServicePortName{
NamespacedName: makeNSN("ns1", "svc1"),
Port: "p80",
}
svc := proxy.ServicePortName{NamespacedName: types.NamespacedName{Namespace: "ns1", Name: svcName}, Port: "p80"}
svcInfo := newFakeServiceInfo(svc, svcIP, 80, api.ProtocolTCP, false)
fp.serviceMap[svc] = typeLoadBalancer(svcInfo)
fp.allServices = []*api.Service{
makeTestService(svcPortName.Namespace, svcPortName.Name, func(svc *api.Service) {
svc.Spec.Type = "LoadBalancer"
svc.Spec.ClusterIP = svcIP
svc.Spec.Ports = []api.ServicePort{{
Name: svcPortName.Port,
Port: int32(svcPort),
Protocol: api.ProtocolTCP,
NodePort: int32(svcNodePort),
}}
svc.Status.LoadBalancer.Ingress = []api.LoadBalancerIngress{{
IP: svcLBIP,
}}
}),
}
ip := "10.180.0.1"
port := 80
epIP := "10.180.0.1"
fp.allEndpoints = []*api.Endpoints{
makeTestEndpoints("ns1", svcName, func(ept *api.Endpoints) {
makeTestEndpoints(svcPortName.Namespace, svcPortName.Name, func(ept *api.Endpoints) {
ept.Subsets = []api.EndpointSubset{{
Addresses: []api.EndpointAddress{{
IP: ip,
IP: epIP,
}},
Ports: []api.EndpointPort{{
Name: "p80",
Port: int32(port),
Name: svcPortName.Port,
Port: int32(svcPort),
}},
}}
}),
@ -659,12 +692,12 @@ func TestLoadBalancer(t *testing.T) {
fp.syncProxyRules(syncReasonForce)
proto := strings.ToLower(string(api.ProtocolTCP))
fwChain := string(serviceFirewallChainName(svc, proto))
svcChain := string(servicePortChainName(svc, strings.ToLower(string(api.ProtocolTCP))))
//lbChain := string(serviceLBChainName(svc, proto))
fwChain := string(serviceFirewallChainName(svcPortName, proto))
svcChain := string(servicePortChainName(svcPortName, proto))
//lbChain := string(serviceLBChainName(svcPortName, proto))
kubeSvcRules := ipt.GetRules(string(kubeServicesChain))
if !hasJump(kubeSvcRules, fwChain, svcInfo.loadBalancerStatus.Ingress[0].IP, 80) {
if !hasJump(kubeSvcRules, fwChain, svcLBIP, svcPort) {
errorf(fmt.Sprintf("Failed to find jump to firewall chain %v", fwChain), kubeSvcRules, t)
}
@ -677,25 +710,37 @@ func TestLoadBalancer(t *testing.T) {
func TestNodePort(t *testing.T) {
ipt := iptablestest.NewFake()
fp := NewFakeProxier(ipt)
svcName := "svc1"
svcIP := net.IPv4(10, 20, 30, 41)
svcIP := "10.20.30.41"
svcPort := 80
svcNodePort := 3001
svcPortName := proxy.ServicePortName{
NamespacedName: makeNSN("ns1", "svc1"),
Port: "p80",
}
svc := proxy.ServicePortName{NamespacedName: types.NamespacedName{Namespace: "ns1", Name: svcName}, Port: "p80"}
svcInfo := newFakeServiceInfo(svc, svcIP, 80, api.ProtocolTCP, false)
svcInfo.nodePort = 3001
fp.serviceMap[svc] = svcInfo
fp.allServices = []*api.Service{
makeTestService(svcPortName.Namespace, svcPortName.Name, func(svc *api.Service) {
svc.Spec.Type = "NodePort"
svc.Spec.ClusterIP = svcIP
svc.Spec.Ports = []api.ServicePort{{
Name: svcPortName.Port,
Port: int32(svcPort),
Protocol: api.ProtocolTCP,
NodePort: int32(svcNodePort),
}}
}),
}
ip := "10.180.0.1"
port := 80
epIP := "10.180.0.1"
fp.allEndpoints = []*api.Endpoints{
makeTestEndpoints("ns1", svcName, func(ept *api.Endpoints) {
makeTestEndpoints(svcPortName.Namespace, svcPortName.Name, func(ept *api.Endpoints) {
ept.Subsets = []api.EndpointSubset{{
Addresses: []api.EndpointAddress{{
IP: ip,
IP: epIP,
}},
Ports: []api.EndpointPort{{
Name: "p80",
Port: int32(port),
Name: svcPortName.Port,
Port: int32(svcPort),
}},
}}
}),
@ -704,10 +749,10 @@ func TestNodePort(t *testing.T) {
fp.syncProxyRules(syncReasonForce)
proto := strings.ToLower(string(api.ProtocolTCP))
svcChain := string(servicePortChainName(svc, strings.ToLower(proto)))
svcChain := string(servicePortChainName(svcPortName, proto))
kubeNodePortRules := ipt.GetRules(string(kubeNodePortsChain))
if !hasJump(kubeNodePortRules, svcChain, "", svcInfo.nodePort) {
if !hasJump(kubeNodePortRules, svcChain, "", svcNodePort) {
errorf(fmt.Sprintf("Failed to find jump to svc chain %v", svcChain), kubeNodePortRules, t)
}
}
@ -715,19 +760,32 @@ func TestNodePort(t *testing.T) {
func TestNodePortReject(t *testing.T) {
ipt := iptablestest.NewFake()
fp := NewFakeProxier(ipt)
svcName := "svc1"
svcIP := net.IPv4(10, 20, 30, 41)
svcIP := "10.20.30.41"
svcPort := 80
svcNodePort := 3001
svcPortName := proxy.ServicePortName{
NamespacedName: makeNSN("ns1", "svc1"),
Port: "p80",
}
svc := proxy.ServicePortName{NamespacedName: types.NamespacedName{Namespace: "ns1", Name: svcName}, Port: "p80"}
svcInfo := newFakeServiceInfo(svc, svcIP, 80, api.ProtocolTCP, false)
svcInfo.nodePort = 3001
fp.serviceMap[svc] = svcInfo
fp.allServices = []*api.Service{
makeTestService(svcPortName.Namespace, svcPortName.Name, func(svc *api.Service) {
svc.Spec.Type = "NodePort"
svc.Spec.ClusterIP = svcIP
svc.Spec.Ports = []api.ServicePort{{
Name: svcPortName.Port,
Port: int32(svcPort),
Protocol: api.ProtocolTCP,
NodePort: int32(svcNodePort),
}}
}),
}
fp.syncProxyRules(syncReasonForce)
kubeSvcRules := ipt.GetRules(string(kubeServicesChain))
if !hasJump(kubeSvcRules, iptablestest.Reject, svcIP.String(), 3001) {
errorf(fmt.Sprintf("Failed to find a %v rule for service %v with no endpoints", iptablestest.Reject, svcName), kubeSvcRules, t)
if !hasJump(kubeSvcRules, iptablestest.Reject, svcIP, svcNodePort) {
errorf(fmt.Sprintf("Failed to find a %v rule for service %v with no endpoints", iptablestest.Reject, svcPortName), kubeSvcRules, t)
}
}
@ -738,47 +796,65 @@ func strPtr(s string) *string {
func TestOnlyLocalLoadBalancing(t *testing.T) {
ipt := iptablestest.NewFake()
fp := NewFakeProxier(ipt)
svcName := "svc1"
svcIP := net.IPv4(10, 20, 30, 41)
svcIP := "10.20.30.41"
svcPort := 80
svcNodePort := 3001
svcLBIP := "1.2.3.4"
svcPortName := proxy.ServicePortName{
NamespacedName: makeNSN("ns1", "svc1"),
Port: "p80",
}
svc := proxy.ServicePortName{NamespacedName: types.NamespacedName{Namespace: "ns1", Name: svcName}, Port: "p80"}
svcInfo := newFakeServiceInfo(svc, svcIP, 80, api.ProtocolTCP, true)
fp.serviceMap[svc] = typeLoadBalancer(svcInfo)
fp.allServices = []*api.Service{
makeTestService(svcPortName.Namespace, svcPortName.Name, func(svc *api.Service) {
svc.Spec.Type = "LoadBalancer"
svc.Spec.ClusterIP = svcIP
svc.Spec.Ports = []api.ServicePort{{
Name: svcPortName.Port,
Port: int32(svcPort),
Protocol: api.ProtocolTCP,
NodePort: int32(svcNodePort),
}}
svc.Status.LoadBalancer.Ingress = []api.LoadBalancerIngress{{
IP: svcLBIP,
}}
svc.Annotations[service.BetaAnnotationExternalTraffic] = service.AnnotationValueExternalTrafficLocal
}),
}
ip1 := "10.180.0.1"
ip2 := "10.180.2.1"
port := 80
nonLocalEp := fmt.Sprintf("%s:%d", ip1, port)
localEp := fmt.Sprintf("%s:%d", ip2, port)
allEndpoints := []*api.Endpoints{
makeTestEndpoints("ns1", svcName, func(ept *api.Endpoints) {
epIP1 := "10.180.0.1"
epIP2 := "10.180.2.1"
epStrLocal := fmt.Sprintf("%s:%d", epIP1, svcPort)
epStrNonLocal := fmt.Sprintf("%s:%d", epIP2, svcPort)
fp.allEndpoints = []*api.Endpoints{
makeTestEndpoints(svcPortName.Namespace, svcPortName.Name, func(ept *api.Endpoints) {
ept.Subsets = []api.EndpointSubset{{
Addresses: []api.EndpointAddress{{
IP: ip1,
IP: epIP1,
NodeName: nil,
}, {
IP: ip2,
IP: epIP2,
NodeName: strPtr(testHostname),
}},
Ports: []api.EndpointPort{{
Name: "p80",
Port: int32(port),
Name: svcPortName.Port,
Port: int32(svcPort),
}},
}}
}),
}
fp.OnEndpointsUpdate(allEndpoints)
fp.syncProxyRules(syncReasonForce)
proto := strings.ToLower(string(api.ProtocolTCP))
fwChain := string(serviceFirewallChainName(svc, proto))
lbChain := string(serviceLBChainName(svc, proto))
fwChain := string(serviceFirewallChainName(svcPortName, proto))
lbChain := string(serviceLBChainName(svcPortName, proto))
nonLocalEpChain := string(servicePortEndpointChainName(svc, strings.ToLower(string(api.ProtocolTCP)), nonLocalEp))
localEpChain := string(servicePortEndpointChainName(svc, strings.ToLower(string(api.ProtocolTCP)), localEp))
nonLocalEpChain := string(servicePortEndpointChainName(svcPortName, strings.ToLower(string(api.ProtocolTCP)), epStrLocal))
localEpChain := string(servicePortEndpointChainName(svcPortName, strings.ToLower(string(api.ProtocolTCP)), epStrNonLocal))
kubeSvcRules := ipt.GetRules(string(kubeServicesChain))
if !hasJump(kubeSvcRules, fwChain, svcInfo.loadBalancerStatus.Ingress[0].IP, 0) {
if !hasJump(kubeSvcRules, fwChain, svcLBIP, svcPort) {
errorf(fmt.Sprintf("Failed to find jump to firewall chain %v", fwChain), kubeSvcRules, t)
}
@ -792,10 +868,10 @@ func TestOnlyLocalLoadBalancing(t *testing.T) {
lbRules := ipt.GetRules(lbChain)
if hasJump(lbRules, nonLocalEpChain, "", 0) {
errorf(fmt.Sprintf("Found jump from lb chain %v to non-local ep %v", lbChain, nonLocalEp), lbRules, t)
errorf(fmt.Sprintf("Found jump from lb chain %v to non-local ep %v", lbChain, epStrLocal), lbRules, t)
}
if !hasJump(lbRules, localEpChain, "", 0) {
errorf(fmt.Sprintf("Didn't find jump from lb chain %v to local ep %v", lbChain, localEp), lbRules, t)
errorf(fmt.Sprintf("Didn't find jump from lb chain %v to local ep %v", lbChain, epStrNonLocal), lbRules, t)
}
}
@ -815,54 +891,67 @@ func TestOnlyLocalNodePorts(t *testing.T) {
func onlyLocalNodePorts(t *testing.T, fp *Proxier, ipt *iptablestest.FakeIPTables) {
shouldLBTOSVCRuleExist := len(fp.clusterCIDR) > 0
svcName := "svc1"
svcIP := net.IPv4(10, 20, 30, 41)
svcIP := "10.20.30.41"
svcPort := 80
svcNodePort := 3001
svcPortName := proxy.ServicePortName{
NamespacedName: makeNSN("ns1", "svc1"),
Port: "p80",
}
svc := proxy.ServicePortName{NamespacedName: types.NamespacedName{Namespace: "ns1", Name: svcName}, Port: "p80"}
svcInfo := newFakeServiceInfo(svc, svcIP, 80, api.ProtocolTCP, true)
svcInfo.nodePort = 3001
fp.serviceMap[svc] = svcInfo
fp.allServices = []*api.Service{
makeTestService(svcPortName.Namespace, svcPortName.Name, func(svc *api.Service) {
svc.Spec.Type = "NodePort"
svc.Spec.ClusterIP = svcIP
svc.Spec.Ports = []api.ServicePort{{
Name: svcPortName.Port,
Port: int32(svcPort),
Protocol: api.ProtocolTCP,
NodePort: int32(svcNodePort),
}}
svc.Annotations[service.BetaAnnotationExternalTraffic] = service.AnnotationValueExternalTrafficLocal
}),
}
ip1 := "10.180.0.1"
ip2 := "10.180.2.1"
port := 80
nonLocalEp := fmt.Sprintf("%s:%d", ip1, port)
localEp := fmt.Sprintf("%s:%d", ip2, port)
allEndpoints := []*api.Endpoints{
makeTestEndpoints("ns1", svcName, func(ept *api.Endpoints) {
epIP1 := "10.180.0.1"
epIP2 := "10.180.2.1"
epStrLocal := fmt.Sprintf("%s:%d", epIP1, svcPort)
epStrNonLocal := fmt.Sprintf("%s:%d", epIP2, svcPort)
fp.allEndpoints = []*api.Endpoints{
makeTestEndpoints(svcPortName.Namespace, svcPortName.Name, func(ept *api.Endpoints) {
ept.Subsets = []api.EndpointSubset{{
Addresses: []api.EndpointAddress{{
IP: ip1,
IP: epIP1,
NodeName: nil,
}, {
IP: ip2,
IP: epIP2,
NodeName: strPtr(testHostname),
}},
Ports: []api.EndpointPort{{
Name: "p80",
Port: int32(port),
Name: svcPortName.Port,
Port: int32(svcPort),
}},
}}
}),
}
fp.OnEndpointsUpdate(allEndpoints)
fp.syncProxyRules(syncReasonForce)
proto := strings.ToLower(string(api.ProtocolTCP))
lbChain := string(serviceLBChainName(svc, proto))
lbChain := string(serviceLBChainName(svcPortName, proto))
nonLocalEpChain := string(servicePortEndpointChainName(svc, strings.ToLower(string(api.ProtocolTCP)), nonLocalEp))
localEpChain := string(servicePortEndpointChainName(svc, strings.ToLower(string(api.ProtocolTCP)), localEp))
nonLocalEpChain := string(servicePortEndpointChainName(svcPortName, proto, epStrLocal))
localEpChain := string(servicePortEndpointChainName(svcPortName, proto, epStrNonLocal))
kubeNodePortRules := ipt.GetRules(string(kubeNodePortsChain))
if !hasJump(kubeNodePortRules, lbChain, "", svcInfo.nodePort) {
if !hasJump(kubeNodePortRules, lbChain, "", svcNodePort) {
errorf(fmt.Sprintf("Failed to find jump to lb chain %v", lbChain), kubeNodePortRules, t)
}
svcChain := string(servicePortChainName(svc, strings.ToLower(string(api.ProtocolTCP))))
svcChain := string(servicePortChainName(svcPortName, proto))
lbRules := ipt.GetRules(lbChain)
if hasJump(lbRules, nonLocalEpChain, "", 0) {
errorf(fmt.Sprintf("Found jump from lb chain %v to non-local ep %v", lbChain, nonLocalEp), lbRules, t)
errorf(fmt.Sprintf("Found jump from lb chain %v to non-local ep %v", lbChain, epStrLocal), lbRules, t)
}
if hasJump(lbRules, svcChain, "", 0) != shouldLBTOSVCRuleExist {
prefix := "Did not find "
@ -872,15 +961,16 @@ func onlyLocalNodePorts(t *testing.T, fp *Proxier, ipt *iptablestest.FakeIPTable
errorf(fmt.Sprintf("%s jump from lb chain %v to svc %v", prefix, lbChain, svcChain), lbRules, t)
}
if !hasJump(lbRules, localEpChain, "", 0) {
errorf(fmt.Sprintf("Didn't find jump from lb chain %v to local ep %v", lbChain, nonLocalEp), lbRules, t)
errorf(fmt.Sprintf("Didn't find jump from lb chain %v to local ep %v", lbChain, epStrLocal), lbRules, t)
}
}
func makeTestService(namespace, name string, svcFunc func(*api.Service)) *api.Service {
svc := &api.Service{
ObjectMeta: metav1.ObjectMeta{
Name: name,
Namespace: namespace,
Name: name,
Namespace: namespace,
Annotations: map[string]string{},
},
Spec: api.ServiceSpec{},
Status: api.ServiceStatus{},
@ -1122,13 +1212,11 @@ func TestBuildServiceMapServiceUpdate(t *testing.T) {
func Test_accumulateEndpointsMap(t *testing.T) {
testCases := []struct {
newEndpoints *api.Endpoints
oldEndpoints map[proxy.ServicePortName][]*endpointsInfo
expectedNew map[proxy.ServicePortName][]*endpointsInfo
expected map[proxy.ServicePortName][]*endpointsInfo
}{{
// Case[0]: nothing
newEndpoints: makeTestEndpoints("ns1", "ep1", func(ept *api.Endpoints) {}),
oldEndpoints: map[proxy.ServicePortName][]*endpointsInfo{},
expectedNew: map[proxy.ServicePortName][]*endpointsInfo{},
expected: map[proxy.ServicePortName][]*endpointsInfo{},
}, {
// Case[1]: no changes, unnamed port
newEndpoints: makeTestEndpoints("ns1", "ep1", func(ept *api.Endpoints) {
@ -1144,12 +1232,7 @@ func Test_accumulateEndpointsMap(t *testing.T) {
},
}
}),
oldEndpoints: map[proxy.ServicePortName][]*endpointsInfo{
makeServicePortName("ns1", "ep1", ""): {
{"1.1.1.1:11", false},
},
},
expectedNew: map[proxy.ServicePortName][]*endpointsInfo{
expected: map[proxy.ServicePortName][]*endpointsInfo{
makeServicePortName("ns1", "ep1", ""): {
{"1.1.1.1:11", false},
},
@ -1169,12 +1252,7 @@ func Test_accumulateEndpointsMap(t *testing.T) {
},
}
}),
oldEndpoints: map[proxy.ServicePortName][]*endpointsInfo{
makeServicePortName("ns1", "ep1", "port"): {
{"1.1.1.1:11", false},
},
},
expectedNew: map[proxy.ServicePortName][]*endpointsInfo{
expected: map[proxy.ServicePortName][]*endpointsInfo{
makeServicePortName("ns1", "ep1", "port"): {
{"1.1.1.1:11", false},
},
@ -1193,10 +1271,7 @@ func Test_accumulateEndpointsMap(t *testing.T) {
},
}
}),
oldEndpoints: map[proxy.ServicePortName][]*endpointsInfo{
makeServicePortName("ns1", "ep1", ""): {},
},
expectedNew: map[proxy.ServicePortName][]*endpointsInfo{
expected: map[proxy.ServicePortName][]*endpointsInfo{
makeServicePortName("ns1", "ep1", ""): {
{"1.1.1.1:11", false},
},
@ -1204,12 +1279,7 @@ func Test_accumulateEndpointsMap(t *testing.T) {
}, {
// Case[4]: remove port
newEndpoints: makeTestEndpoints("ns1", "ep1", func(ept *api.Endpoints) {}),
oldEndpoints: map[proxy.ServicePortName][]*endpointsInfo{
makeServicePortName("ns1", "ep1", ""): {
{"1.1.1.1:11", false},
},
},
expectedNew: map[proxy.ServicePortName][]*endpointsInfo{},
expected: map[proxy.ServicePortName][]*endpointsInfo{},
}, {
// Case[5]: new IP and port
newEndpoints: makeTestEndpoints("ns1", "ep1", func(ept *api.Endpoints) {
@ -1230,12 +1300,7 @@ func Test_accumulateEndpointsMap(t *testing.T) {
},
}
}),
oldEndpoints: map[proxy.ServicePortName][]*endpointsInfo{
makeServicePortName("ns1", "ep1", "p1"): {
{"1.1.1.1:11", false},
},
},
expectedNew: map[proxy.ServicePortName][]*endpointsInfo{
expected: map[proxy.ServicePortName][]*endpointsInfo{
makeServicePortName("ns1", "ep1", "p1"): {
{"1.1.1.1:11", false},
{"2.2.2.2:11", false},
@ -1260,17 +1325,7 @@ func Test_accumulateEndpointsMap(t *testing.T) {
},
}
}),
oldEndpoints: map[proxy.ServicePortName][]*endpointsInfo{
makeServicePortName("ns1", "ep1", "p1"): {
{"1.1.1.1:11", false},
{"2.2.2.2:11", false},
},
makeServicePortName("ns1", "ep1", "p2"): {
{"1.1.1.1:22", false},
{"2.2.2.2:22", false},
},
},
expectedNew: map[proxy.ServicePortName][]*endpointsInfo{
expected: map[proxy.ServicePortName][]*endpointsInfo{
makeServicePortName("ns1", "ep1", "p1"): {
{"1.1.1.1:11", false},
},
@ -1290,12 +1345,7 @@ func Test_accumulateEndpointsMap(t *testing.T) {
},
}
}),
oldEndpoints: map[proxy.ServicePortName][]*endpointsInfo{
makeServicePortName("ns1", "ep1", "p1"): {
{"1.1.1.1:11", false},
},
},
expectedNew: map[proxy.ServicePortName][]*endpointsInfo{
expected: map[proxy.ServicePortName][]*endpointsInfo{
makeServicePortName("ns1", "ep1", "p2"): {
{"1.1.1.1:11", false},
},
@ -1315,12 +1365,7 @@ func Test_accumulateEndpointsMap(t *testing.T) {
},
}
}),
oldEndpoints: map[proxy.ServicePortName][]*endpointsInfo{
makeServicePortName("ns1", "ep1", "p1"): {
{"1.1.1.1:11", false},
},
},
expectedNew: map[proxy.ServicePortName][]*endpointsInfo{
expected: map[proxy.ServicePortName][]*endpointsInfo{
makeServicePortName("ns1", "ep1", "p1"): {
{"1.1.1.1:22", false},
},
@ -1330,18 +1375,18 @@ func Test_accumulateEndpointsMap(t *testing.T) {
for tci, tc := range testCases {
// outputs
newEndpoints := make(proxyEndpointMap)
accumulateEndpointsMap(tc.newEndpoints, "host", tc.oldEndpoints, &newEndpoints)
accumulateEndpointsMap(tc.newEndpoints, "host", &newEndpoints)
if len(newEndpoints) != len(tc.expectedNew) {
t.Errorf("[%d] expected %d new, got %d: %v", tci, len(tc.expectedNew), len(newEndpoints), spew.Sdump(newEndpoints))
if len(newEndpoints) != len(tc.expected) {
t.Errorf("[%d] expected %d new, got %d: %v", tci, len(tc.expected), len(newEndpoints), spew.Sdump(newEndpoints))
}
for x := range tc.expectedNew {
if len(newEndpoints[x]) != len(tc.expectedNew[x]) {
t.Errorf("[%d] expected %d endpoints for %v, got %d", tci, len(tc.expectedNew[x]), x, len(newEndpoints[x]))
for x := range tc.expected {
if len(newEndpoints[x]) != len(tc.expected[x]) {
t.Errorf("[%d] expected %d endpoints for %v, got %d", tci, len(tc.expected[x]), x, len(newEndpoints[x]))
} else {
for i := range newEndpoints[x] {
if *(newEndpoints[x][i]) != *(tc.expectedNew[x][i]) {
t.Errorf("[%d] expected new[%v][%d] to be %v, got %v", tci, x, i, tc.expectedNew[x][i], *(newEndpoints[x][i]))
if *(newEndpoints[x][i]) != *(tc.expected[x][i]) {
t.Errorf("[%d] expected new[%v][%d] to be %v, got %v", tci, x, i, tc.expected[x][i], *(newEndpoints[x][i]))
}
}
}