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Edge-based userspace proxy

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This commit is contained in:
Wojciech Tyczynski
2017-03-20 14:02:35 +01:00
parent f7c06ad23c
commit c5cbdbe3d2
4 changed files with 210 additions and 192 deletions
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159
pkg/proxy/userspace/proxier_test.go
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@@ -202,14 +202,12 @@ func waitForNumProxyClients(t *testing.T, s *ServiceInfo, want int, timeout time
func TestTCPProxy(t *testing.T) {
lb := NewLoadBalancerRR()
service := proxy.ServicePortName{NamespacedName: types.NamespacedName{Namespace: "testnamespace", Name: "echo"}, Port: "p"}
lb.OnEndpointsUpdate([]*api.Endpoints{
{
ObjectMeta: metav1.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}},
}},
},
lb.OnEndpointsAdd(&api.Endpoints{
ObjectMeta: metav1.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}},
}},
})
fexec := makeFakeExec()
@@ -232,14 +230,12 @@ func TestTCPProxy(t *testing.T) {
func TestUDPProxy(t *testing.T) {
lb := NewLoadBalancerRR()
service := proxy.ServicePortName{NamespacedName: types.NamespacedName{Namespace: "testnamespace", Name: "echo"}, Port: "p"}
lb.OnEndpointsUpdate([]*api.Endpoints{
{
ObjectMeta: metav1.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}},
}},
},
lb.OnEndpointsAdd(&api.Endpoints{
ObjectMeta: metav1.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}},
}},
})
fexec := makeFakeExec()
@@ -262,14 +258,12 @@ func TestUDPProxy(t *testing.T) {
func TestUDPProxyTimeout(t *testing.T) {
lb := NewLoadBalancerRR()
service := proxy.ServicePortName{NamespacedName: types.NamespacedName{Namespace: "testnamespace", Name: "echo"}, Port: "p"}
lb.OnEndpointsUpdate([]*api.Endpoints{
{
ObjectMeta: metav1.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}},
}},
},
lb.OnEndpointsAdd(&api.Endpoints{
ObjectMeta: metav1.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}},
}},
})
fexec := makeFakeExec()
@@ -297,19 +291,20 @@ func TestMultiPortProxy(t *testing.T) {
lb := NewLoadBalancerRR()
serviceP := proxy.ServicePortName{NamespacedName: types.NamespacedName{Namespace: "testnamespace", Name: "echo-p"}, Port: "p"}
serviceQ := proxy.ServicePortName{NamespacedName: types.NamespacedName{Namespace: "testnamespace", Name: "echo-q"}, Port: "q"}
lb.OnEndpointsUpdate([]*api.Endpoints{{
lb.OnEndpointsAdd(&api.Endpoints{
ObjectMeta: metav1.ObjectMeta{Name: serviceP.Name, Namespace: serviceP.Namespace},
Subsets: []api.EndpointSubset{{
Addresses: []api.EndpointAddress{{IP: "127.0.0.1"}},
Ports: []api.EndpointPort{{Name: "p", Protocol: "TCP", Port: tcpServerPort}},
}},
}, {
})
lb.OnEndpointsAdd(&api.Endpoints{
ObjectMeta: metav1.ObjectMeta{Name: serviceQ.Name, Namespace: serviceQ.Namespace},
Subsets: []api.EndpointSubset{{
Addresses: []api.EndpointAddress{{IP: "127.0.0.1"}},
Ports: []api.EndpointPort{{Name: "q", Protocol: "UDP", Port: udpServerPort}},
}},
}})
})
fexec := makeFakeExec()
@@ -397,14 +392,12 @@ func stopProxyByName(proxier *Proxier, service proxy.ServicePortName) error {
func TestTCPProxyStop(t *testing.T) {
lb := NewLoadBalancerRR()
service := proxy.ServicePortName{NamespacedName: types.NamespacedName{Namespace: "testnamespace", Name: "echo"}, Port: "p"}
lb.OnEndpointsUpdate([]*api.Endpoints{
{
ObjectMeta: metav1.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}},
}},
},
lb.OnEndpointsAdd(&api.Endpoints{
ObjectMeta: metav1.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}},
}},
})
fexec := makeFakeExec()
@@ -444,14 +437,12 @@ func TestTCPProxyStop(t *testing.T) {
func TestUDPProxyStop(t *testing.T) {
lb := NewLoadBalancerRR()
service := proxy.ServicePortName{NamespacedName: types.NamespacedName{Namespace: "testnamespace", Name: "echo"}, Port: "p"}
lb.OnEndpointsUpdate([]*api.Endpoints{
{
ObjectMeta: metav1.ObjectMeta{Namespace: service.Namespace, Name: service.Name},
Subsets: []api.EndpointSubset{{
Addresses: []api.EndpointAddress{{IP: "127.0.0.1"}},
Ports: []api.EndpointPort{{Name: "p", Port: udpServerPort}},
}},
},
lb.OnEndpointsAdd(&api.Endpoints{
ObjectMeta: metav1.ObjectMeta{Namespace: service.Namespace, Name: service.Name},
Subsets: []api.EndpointSubset{{
Addresses: []api.EndpointAddress{{IP: "127.0.0.1"}},
Ports: []api.EndpointPort{{Name: "p", Port: udpServerPort}},
}},
})
fexec := makeFakeExec()
@@ -485,14 +476,12 @@ func TestUDPProxyStop(t *testing.T) {
func TestTCPProxyUpdateDelete(t *testing.T) {
lb := NewLoadBalancerRR()
service := proxy.ServicePortName{NamespacedName: types.NamespacedName{Namespace: "testnamespace", Name: "echo"}, Port: "p"}
lb.OnEndpointsUpdate([]*api.Endpoints{
{
ObjectMeta: metav1.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}},
}},
},
lb.OnEndpointsAdd(&api.Endpoints{
ObjectMeta: metav1.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}},
}},
})
fexec := makeFakeExec()
@@ -525,14 +514,12 @@ func TestTCPProxyUpdateDelete(t *testing.T) {
func TestUDPProxyUpdateDelete(t *testing.T) {
lb := NewLoadBalancerRR()
service := proxy.ServicePortName{NamespacedName: types.NamespacedName{Namespace: "testnamespace", Name: "echo"}, Port: "p"}
lb.OnEndpointsUpdate([]*api.Endpoints{
{
ObjectMeta: metav1.ObjectMeta{Namespace: service.Namespace, Name: service.Name},
Subsets: []api.EndpointSubset{{
Addresses: []api.EndpointAddress{{IP: "127.0.0.1"}},
Ports: []api.EndpointPort{{Name: "p", Port: udpServerPort}},
}},
},
lb.OnEndpointsAdd(&api.Endpoints{
ObjectMeta: metav1.ObjectMeta{Namespace: service.Namespace, Name: service.Name},
Subsets: []api.EndpointSubset{{
Addresses: []api.EndpointAddress{{IP: "127.0.0.1"}},
Ports: []api.EndpointPort{{Name: "p", Port: udpServerPort}},
}},
})
fexec := makeFakeExec()
@@ -572,7 +559,7 @@ func TestTCPProxyUpdateDeleteUpdate(t *testing.T) {
Ports: []api.EndpointPort{{Name: "p", Port: tcpServerPort}},
}},
}
lb.OnEndpointsUpdate([]*api.Endpoints{endpoint})
lb.OnEndpointsAdd(endpoint)
fexec := makeFakeExec()
@@ -601,7 +588,7 @@ func TestTCPProxyUpdateDeleteUpdate(t *testing.T) {
waitForNumProxyLoops(t, p, 0)
// need to add endpoint here because it got clean up during service delete
lb.OnEndpointsUpdate([]*api.Endpoints{endpoint})
lb.OnEndpointsAdd(endpoint)
p.OnServiceUpdate([]*api.Service{{
ObjectMeta: metav1.ObjectMeta{Name: service.Name, Namespace: service.Namespace},
Spec: api.ServiceSpec{ClusterIP: "1.2.3.4", Ports: []api.ServicePort{{
@@ -628,7 +615,7 @@ func TestUDPProxyUpdateDeleteUpdate(t *testing.T) {
Ports: []api.EndpointPort{{Name: "p", Port: udpServerPort}},
}},
}
lb.OnEndpointsUpdate([]*api.Endpoints{endpoint})
lb.OnEndpointsAdd(endpoint)
fexec := makeFakeExec()
@@ -657,7 +644,7 @@ func TestUDPProxyUpdateDeleteUpdate(t *testing.T) {
waitForNumProxyLoops(t, p, 0)
// need to add endpoint here because it got clean up during service delete
lb.OnEndpointsUpdate([]*api.Endpoints{endpoint})
lb.OnEndpointsAdd(endpoint)
p.OnServiceUpdate([]*api.Service{{
ObjectMeta: metav1.ObjectMeta{Name: service.Name, Namespace: service.Namespace},
Spec: api.ServiceSpec{ClusterIP: "1.2.3.4", Ports: []api.ServicePort{{
@@ -677,14 +664,12 @@ func TestUDPProxyUpdateDeleteUpdate(t *testing.T) {
func TestTCPProxyUpdatePort(t *testing.T) {
lb := NewLoadBalancerRR()
service := proxy.ServicePortName{NamespacedName: types.NamespacedName{Namespace: "testnamespace", Name: "echo"}, Port: "p"}
lb.OnEndpointsUpdate([]*api.Endpoints{
{
ObjectMeta: metav1.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}},
}},
},
lb.OnEndpointsAdd(&api.Endpoints{
ObjectMeta: metav1.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}},
}},
})
fexec := makeFakeExec()
@@ -728,14 +713,12 @@ func TestTCPProxyUpdatePort(t *testing.T) {
func TestUDPProxyUpdatePort(t *testing.T) {
lb := NewLoadBalancerRR()
service := proxy.ServicePortName{NamespacedName: types.NamespacedName{Namespace: "testnamespace", Name: "echo"}, Port: "p"}
lb.OnEndpointsUpdate([]*api.Endpoints{
{
ObjectMeta: metav1.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}},
}},
},
lb.OnEndpointsAdd(&api.Endpoints{
ObjectMeta: metav1.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}},
}},
})
fexec := makeFakeExec()
@@ -776,14 +759,12 @@ func TestUDPProxyUpdatePort(t *testing.T) {
func TestProxyUpdatePublicIPs(t *testing.T) {
lb := NewLoadBalancerRR()
service := proxy.ServicePortName{NamespacedName: types.NamespacedName{Namespace: "testnamespace", Name: "echo"}, Port: "p"}
lb.OnEndpointsUpdate([]*api.Endpoints{
{
ObjectMeta: metav1.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}},
}},
},
lb.OnEndpointsAdd(&api.Endpoints{
ObjectMeta: metav1.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}},
}},
})
fexec := makeFakeExec()
@@ -838,7 +819,7 @@ func TestProxyUpdatePortal(t *testing.T) {
Ports: []api.EndpointPort{{Name: "p", Port: tcpServerPort}},
}},
}
lb.OnEndpointsUpdate([]*api.Endpoints{endpoint})
lb.OnEndpointsAdd(endpoint)
fexec := makeFakeExec()
@@ -890,7 +871,7 @@ func TestProxyUpdatePortal(t *testing.T) {
Protocol: "TCP",
}}},
}})
lb.OnEndpointsUpdate([]*api.Endpoints{endpoint})
lb.OnEndpointsAdd(endpoint)
svcInfo, exists = p.getServiceInfo(service)
if !exists {
t.Fatalf("service with ClusterIP set not found in the proxy")