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kube-proxy: gate topology correctly

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This commit is contained in:
Antonio Ojea 2022-10-12 17:27:45 +00:00
parent 1ab1b0af6e
commit cf532a8e36
2 changed files with 17 additions and 0 deletions
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3
pkg/proxy/topology.go
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@ -145,6 +145,9 @@ func CategorizeEndpoints(endpoints []Endpoint, svcInfo ServicePort, nodeLabels m
// * All of the endpoints for this Service have a topology hint
// * At least one endpoint for this Service is hinted for this node's zone.
func canUseTopology(endpoints []Endpoint, svcInfo ServicePort, nodeLabels map[string]string) bool {
if !utilfeature.DefaultFeatureGate.Enabled(features.TopologyAwareHints) {
return false
}
hintsAnnotation := svcInfo.HintsAnnotation()
if hintsAnnotation != "Auto" && hintsAnnotation != "auto" {
if hintsAnnotation != "" && hintsAnnotation != "Disabled" && hintsAnnotation != "disabled" {

14
pkg/proxy/topology_test.go
View File

@ -91,6 +91,20 @@ func TestCategorizeEndpoints(t *testing.T) {
clusterEndpoints: sets.NewString("10.1.2.3:80", "10.1.2.4:80", "10.1.2.5:80", "10.1.2.6:80"),
localEndpoints: nil,
}, {
name: "hints disabled, hints annotation == auto",
hintsEnabled: false,
nodeLabels: map[string]string{v1.LabelTopologyZone: "zone-a"},
serviceInfo: &BaseServiceInfo{hintsAnnotation: "auto"},
endpoints: []Endpoint{
&BaseEndpointInfo{Endpoint: "10.1.2.3:80", ZoneHints: sets.NewString("zone-a"), Ready: true},
&BaseEndpointInfo{Endpoint: "10.1.2.4:80", ZoneHints: sets.NewString("zone-b"), Ready: true},
&BaseEndpointInfo{Endpoint: "10.1.2.5:80", ZoneHints: sets.NewString("zone-c"), Ready: true},
&BaseEndpointInfo{Endpoint: "10.1.2.6:80", ZoneHints: sets.NewString("zone-a"), Ready: true},
},
clusterEndpoints: sets.NewString("10.1.2.3:80", "10.1.2.4:80", "10.1.2.5:80", "10.1.2.6:80"),
localEndpoints: nil,
}, {
name: "hints, hints annotation == aUto (wrong capitalization), hints ignored",
hintsEnabled: true,
nodeLabels: map[string]string{v1.LabelTopologyZone: "zone-a"},