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kube-proxy: add endpointslice cache unit tests for terminating endpoints

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Signed-off-by: Andrew Sy Kim <kim.andrewsy@gmail.com>
This commit is contained in:
Andrew Sy Kim 2020-11-09 10:24:43 -05:00
parent e5f9b80023
commit a7333e1a3e
2 changed files with 52 additions and 2 deletions
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32
pkg/proxy/endpoints_test.go
View File

@ -1710,6 +1710,34 @@ func TestEndpointSliceUpdate(t *testing.T) {
}, },
}, },
}, },
// 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{utilpointer.Int32Ptr(80), utilpointer.Int32Ptr(443)}),
generateEndpointSlice("svc1", "ns1", 2, 2, 2, 2, []string{"host1"}, []*int32{utilpointer.Int32Ptr(80), utilpointer.Int32Ptr(443)}),
},
endpointChangeTracker: NewEndpointChangeTracker("host1", nil, v1.IPv4Protocol, nil, true, nil),
namespacedName: types.NamespacedName{Name: "svc1", Namespace: "ns1"},
paramEndpointSlice: generateEndpointSlice("svc1", "ns1", 1, 3, 3, 2, []string{"host1"}, []*int32{utilpointer.Int32Ptr(80), utilpointer.Int32Ptr(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 { for name, tc := range testCases {
@ -1792,13 +1820,13 @@ func TestCheckoutChanges(t *testing.T) {
expectedChanges: []*endpointsChange{{ expectedChanges: []*endpointsChange{{
previous: EndpointsMap{}, previous: EndpointsMap{},
current: EndpointsMap{ 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)}, 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)},
}, },
}}, }},
useEndpointSlices: true, useEndpointSlices: true,
appliedSlices: []*discovery.EndpointSlice{}, appliedSlices: []*discovery.EndpointSlice{},
pendingSlices: []*discovery.EndpointSlice{ pendingSlices: []*discovery.EndpointSlice{
generateEndpointSlice("svc1", "ns1", 1, 3, 3, 999, []string{"host1"}, []*int32{utilpointer.Int32Ptr(80)}), generateEndpointSlice("svc1", "ns1", 1, 3, 3, 2, []string{"host1"}, []*int32{utilpointer.Int32Ptr(80)}),
}, },
}, },
"removing port in update": { "removing port in update": {

22
pkg/proxy/endpointslicecache_test.go
View File

@ -114,6 +114,28 @@ func TestEndpointsMapFromESC(t *testing.T) {
}, },
}, },
}, },
// 2 slices with all endpoints overlapping, some unready and terminating.
"2 slices, overlapping endpoints, some endpoints unready and some endpoints terminating": {
namespacedName: types.NamespacedName{Name: "svc1", Namespace: "ns1"},
endpointSlices: []*discovery.EndpointSlice{
generateEndpointSlice("svc1", "ns1", 1, 10, 3, 5, []string{}, []*int32{utilpointer.Int32Ptr(80)}),
generateEndpointSlice("svc1", "ns1", 1, 10, 6, 5, []string{}, []*int32{utilpointer.Int32Ptr(80)}),
},
expectedMap: map[ServicePortName][]*BaseEndpointInfo{
makeServicePortName("ns1", "svc1", "port-0", v1.ProtocolTCP): {
&BaseEndpointInfo{Endpoint: "10.0.1.10:80", IsLocal: false, Ready: false, Serving: true, Terminating: true},
&BaseEndpointInfo{Endpoint: "10.0.1.1:80", IsLocal: false, Ready: true, Serving: true, Terminating: false},
&BaseEndpointInfo{Endpoint: "10.0.1.2:80", IsLocal: false, Ready: true, Serving: true, Terminating: false},
&BaseEndpointInfo{Endpoint: "10.0.1.3:80", IsLocal: false, Ready: true, Serving: true, Terminating: false},
&BaseEndpointInfo{Endpoint: "10.0.1.4:80", IsLocal: false, Ready: true, Serving: true, Terminating: false},
&BaseEndpointInfo{Endpoint: "10.0.1.5:80", IsLocal: false, Ready: false, Serving: true, Terminating: true},
&BaseEndpointInfo{Endpoint: "10.0.1.6:80", IsLocal: false, Ready: false, Serving: false, Terminating: false},
&BaseEndpointInfo{Endpoint: "10.0.1.7:80", IsLocal: false, Ready: true, Serving: true, Terminating: false},
&BaseEndpointInfo{Endpoint: "10.0.1.8:80", IsLocal: false, Ready: true, Serving: true, Terminating: false},
&BaseEndpointInfo{Endpoint: "10.0.1.9:80", IsLocal: false, Ready: true, Serving: true, Terminating: false},
},
},
},
"2 slices, overlapping endpoints, all unready": { "2 slices, overlapping endpoints, all unready": {
namespacedName: types.NamespacedName{Name: "svc1", Namespace: "ns1"}, namespacedName: types.NamespacedName{Name: "svc1", Namespace: "ns1"},
endpointSlices: []*discovery.EndpointSlice{ endpointSlices: []*discovery.EndpointSlice{