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Merge pull request #107393 from danwinship/filter-endpoints
kube-proxy endpoint filtering unit test refactoring
This commit is contained in:
Kubernetes Prow Robot
GitHub
commit
108e8136e2
@ -17,376 +17,264 @@ limitations under the License.
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package proxy
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import (
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"reflect"
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"fmt"
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"testing"
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v1 "k8s.io/api/core/v1"
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kerrors "k8s.io/apimachinery/pkg/util/errors"
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"k8s.io/apimachinery/pkg/util/sets"
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utilfeature "k8s.io/apiserver/pkg/util/feature"
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featuregatetesting "k8s.io/component-base/featuregate/testing"
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"k8s.io/kubernetes/pkg/features"
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)
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func TestFilterEndpoints(t *testing.T) {
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type endpoint struct {
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ip string
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zoneHints sets.String
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unready bool
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func checkExpectedEndpoints(expected sets.String, actual []Endpoint) error {
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var errs []error
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expectedCopy := sets.NewString(expected.UnsortedList()...)
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for _, ep := range actual {
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if !expectedCopy.Has(ep.String()) {
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errs = append(errs, fmt.Errorf("unexpected endpoint %v", ep))
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}
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expectedCopy.Delete(ep.String())
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}
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if len(expectedCopy) > 0 {
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errs = append(errs, fmt.Errorf("missing endpoints %v", expectedCopy.UnsortedList()))
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}
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return kerrors.NewAggregate(errs)
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}
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func TestFilterEndpoints(t *testing.T) {
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testCases := []struct {
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name string
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hintsEnabled bool
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nodeLabels map[string]string
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serviceInfo ServicePort
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endpoints []endpoint
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expectedEndpoints []endpoint
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endpoints []Endpoint
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expectedEndpoints sets.String
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}{{
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name: "hints enabled, hints annotation == auto",
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hintsEnabled: true,
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nodeLabels: map[string]string{v1.LabelTopologyZone: "zone-a"},
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serviceInfo: &BaseServiceInfo{nodeLocalExternal: false, hintsAnnotation: "auto"},
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endpoints: []endpoint{
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{ip: "10.1.2.3", zoneHints: sets.NewString("zone-a")},
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{ip: "10.1.2.4", zoneHints: sets.NewString("zone-b")},
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{ip: "10.1.2.5", zoneHints: sets.NewString("zone-c")},
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{ip: "10.1.2.6", zoneHints: sets.NewString("zone-a")},
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},
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expectedEndpoints: []endpoint{
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{ip: "10.1.2.3", zoneHints: sets.NewString("zone-a")},
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{ip: "10.1.2.6", zoneHints: sets.NewString("zone-a")},
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endpoints: []Endpoint{
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&BaseEndpointInfo{Endpoint: "10.1.2.3:80", ZoneHints: sets.NewString("zone-a"), Ready: true},
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&BaseEndpointInfo{Endpoint: "10.1.2.4:80", ZoneHints: sets.NewString("zone-b"), Ready: true},
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&BaseEndpointInfo{Endpoint: "10.1.2.5:80", ZoneHints: sets.NewString("zone-c"), Ready: true},
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&BaseEndpointInfo{Endpoint: "10.1.2.6:80", ZoneHints: sets.NewString("zone-a"), Ready: true},
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},
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expectedEndpoints: sets.NewString("10.1.2.3:80", "10.1.2.6:80"),
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}, {
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name: "hints, hints annotation == disabled, hints ignored",
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hintsEnabled: true,
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nodeLabels: map[string]string{v1.LabelTopologyZone: "zone-a"},
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serviceInfo: &BaseServiceInfo{nodeLocalExternal: false, hintsAnnotation: "disabled"},
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endpoints: []endpoint{
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{ip: "10.1.2.3", zoneHints: sets.NewString("zone-a")},
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{ip: "10.1.2.4", zoneHints: sets.NewString("zone-b")},
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{ip: "10.1.2.5", zoneHints: sets.NewString("zone-c")},
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{ip: "10.1.2.6", zoneHints: sets.NewString("zone-a")},
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},
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expectedEndpoints: []endpoint{
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{ip: "10.1.2.3", zoneHints: sets.NewString("zone-a")},
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{ip: "10.1.2.4", zoneHints: sets.NewString("zone-b")},
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{ip: "10.1.2.5", zoneHints: sets.NewString("zone-c")},
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{ip: "10.1.2.6", zoneHints: sets.NewString("zone-a")},
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endpoints: []Endpoint{
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&BaseEndpointInfo{Endpoint: "10.1.2.3:80", ZoneHints: sets.NewString("zone-a"), Ready: true},
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&BaseEndpointInfo{Endpoint: "10.1.2.4:80", ZoneHints: sets.NewString("zone-b"), Ready: true},
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&BaseEndpointInfo{Endpoint: "10.1.2.5:80", ZoneHints: sets.NewString("zone-c"), Ready: true},
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&BaseEndpointInfo{Endpoint: "10.1.2.6:80", ZoneHints: sets.NewString("zone-a"), Ready: true},
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},
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expectedEndpoints: sets.NewString("10.1.2.3:80", "10.1.2.4:80", "10.1.2.5:80", "10.1.2.6:80"),
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}, {
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name: "hints, hints annotation == aUto (wrong capitalization), hints ignored",
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hintsEnabled: true,
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nodeLabels: map[string]string{v1.LabelTopologyZone: "zone-a"},
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serviceInfo: &BaseServiceInfo{nodeLocalExternal: false, hintsAnnotation: "aUto"},
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endpoints: []endpoint{
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{ip: "10.1.2.3", zoneHints: sets.NewString("zone-a")},
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{ip: "10.1.2.4", zoneHints: sets.NewString("zone-b")},
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{ip: "10.1.2.5", zoneHints: sets.NewString("zone-c")},
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{ip: "10.1.2.6", zoneHints: sets.NewString("zone-a")},
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},
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expectedEndpoints: []endpoint{
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{ip: "10.1.2.3", zoneHints: sets.NewString("zone-a")},
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{ip: "10.1.2.4", zoneHints: sets.NewString("zone-b")},
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{ip: "10.1.2.5", zoneHints: sets.NewString("zone-c")},
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{ip: "10.1.2.6", zoneHints: sets.NewString("zone-a")},
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endpoints: []Endpoint{
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&BaseEndpointInfo{Endpoint: "10.1.2.3:80", ZoneHints: sets.NewString("zone-a"), Ready: true},
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&BaseEndpointInfo{Endpoint: "10.1.2.4:80", ZoneHints: sets.NewString("zone-b"), Ready: true},
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&BaseEndpointInfo{Endpoint: "10.1.2.5:80", ZoneHints: sets.NewString("zone-c"), Ready: true},
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&BaseEndpointInfo{Endpoint: "10.1.2.6:80", ZoneHints: sets.NewString("zone-a"), Ready: true},
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},
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expectedEndpoints: sets.NewString("10.1.2.3:80", "10.1.2.4:80", "10.1.2.5:80", "10.1.2.6:80"),
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}, {
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name: "hints, hints annotation empty, hints ignored",
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hintsEnabled: true,
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nodeLabels: map[string]string{v1.LabelTopologyZone: "zone-a"},
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serviceInfo: &BaseServiceInfo{nodeLocalExternal: false},
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endpoints: []endpoint{
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{ip: "10.1.2.3", zoneHints: sets.NewString("zone-a")},
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{ip: "10.1.2.4", zoneHints: sets.NewString("zone-b")},
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{ip: "10.1.2.5", zoneHints: sets.NewString("zone-c")},
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{ip: "10.1.2.6", zoneHints: sets.NewString("zone-a")},
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},
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expectedEndpoints: []endpoint{
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{ip: "10.1.2.3", zoneHints: sets.NewString("zone-a")},
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{ip: "10.1.2.4", zoneHints: sets.NewString("zone-b")},
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{ip: "10.1.2.5", zoneHints: sets.NewString("zone-c")},
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{ip: "10.1.2.6", zoneHints: sets.NewString("zone-a")},
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endpoints: []Endpoint{
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&BaseEndpointInfo{Endpoint: "10.1.2.3:80", ZoneHints: sets.NewString("zone-a"), Ready: true},
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&BaseEndpointInfo{Endpoint: "10.1.2.4:80", ZoneHints: sets.NewString("zone-b"), Ready: true},
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&BaseEndpointInfo{Endpoint: "10.1.2.5:80", ZoneHints: sets.NewString("zone-c"), Ready: true},
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&BaseEndpointInfo{Endpoint: "10.1.2.6:80", ZoneHints: sets.NewString("zone-a"), Ready: true},
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},
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expectedEndpoints: sets.NewString("10.1.2.3:80", "10.1.2.4:80", "10.1.2.5:80", "10.1.2.6:80"),
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}, {
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name: "node local endpoints, hints are ignored",
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hintsEnabled: true,
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nodeLabels: map[string]string{v1.LabelTopologyZone: "zone-a"},
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serviceInfo: &BaseServiceInfo{nodeLocalExternal: true},
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endpoints: []endpoint{
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{ip: "10.1.2.3", zoneHints: sets.NewString("zone-a")},
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{ip: "10.1.2.4", zoneHints: sets.NewString("zone-b")},
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{ip: "10.1.2.5", zoneHints: sets.NewString("zone-c")},
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{ip: "10.1.2.6", zoneHints: sets.NewString("zone-a")},
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serviceInfo: &BaseServiceInfo{nodeLocalExternal: true, hintsAnnotation: "auto"},
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endpoints: []Endpoint{
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&BaseEndpointInfo{Endpoint: "10.1.2.3:80", ZoneHints: sets.NewString("zone-a"), Ready: true},
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&BaseEndpointInfo{Endpoint: "10.1.2.4:80", ZoneHints: sets.NewString("zone-b"), Ready: true},
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&BaseEndpointInfo{Endpoint: "10.1.2.5:80", ZoneHints: sets.NewString("zone-c"), Ready: true},
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&BaseEndpointInfo{Endpoint: "10.1.2.6:80", ZoneHints: sets.NewString("zone-a"), Ready: true},
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},
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expectedEndpoints: []endpoint{
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{ip: "10.1.2.3", zoneHints: sets.NewString("zone-a")},
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{ip: "10.1.2.4", zoneHints: sets.NewString("zone-b")},
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{ip: "10.1.2.5", zoneHints: sets.NewString("zone-c")},
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{ip: "10.1.2.6", zoneHints: sets.NewString("zone-a")},
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expectedEndpoints: sets.NewString("10.1.2.3:80", "10.1.2.4:80", "10.1.2.5:80", "10.1.2.6:80"),
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}, {
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name: "empty node labels",
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hintsEnabled: true,
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nodeLabels: map[string]string{},
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serviceInfo: &BaseServiceInfo{hintsAnnotation: "auto"},
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endpoints: []Endpoint{
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&BaseEndpointInfo{Endpoint: "10.1.2.3:80", ZoneHints: sets.NewString("zone-a"), Ready: true},
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},
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expectedEndpoints: sets.NewString("10.1.2.3:80"),
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}, {
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name: "empty zone label",
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hintsEnabled: true,
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nodeLabels: map[string]string{v1.LabelTopologyZone: ""},
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serviceInfo: &BaseServiceInfo{hintsAnnotation: "auto"},
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endpoints: []Endpoint{
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&BaseEndpointInfo{Endpoint: "10.1.2.3:80", ZoneHints: sets.NewString("zone-a"), Ready: true},
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},
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expectedEndpoints: sets.NewString("10.1.2.3:80"),
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}, {
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name: "node in different zone, no endpoint filtering",
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hintsEnabled: true,
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nodeLabels: map[string]string{v1.LabelTopologyZone: "zone-b"},
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serviceInfo: &BaseServiceInfo{hintsAnnotation: "auto"},
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endpoints: []Endpoint{
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&BaseEndpointInfo{Endpoint: "10.1.2.3:80", ZoneHints: sets.NewString("zone-a"), Ready: true},
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},
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expectedEndpoints: sets.NewString("10.1.2.3:80"),
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}, {
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name: "normal endpoint filtering, auto annotation",
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hintsEnabled: true,
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nodeLabels: map[string]string{v1.LabelTopologyZone: "zone-a"},
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serviceInfo: &BaseServiceInfo{hintsAnnotation: "auto"},
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endpoints: []Endpoint{
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&BaseEndpointInfo{Endpoint: "10.1.2.3:80", ZoneHints: sets.NewString("zone-a"), Ready: true},
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&BaseEndpointInfo{Endpoint: "10.1.2.4:80", ZoneHints: sets.NewString("zone-b"), Ready: true},
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&BaseEndpointInfo{Endpoint: "10.1.2.5:80", ZoneHints: sets.NewString("zone-c"), Ready: true},
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&BaseEndpointInfo{Endpoint: "10.1.2.6:80", ZoneHints: sets.NewString("zone-a"), Ready: true},
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},
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expectedEndpoints: sets.NewString("10.1.2.3:80", "10.1.2.6:80"),
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}, {
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name: "unready endpoint",
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hintsEnabled: true,
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nodeLabels: map[string]string{v1.LabelTopologyZone: "zone-a"},
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serviceInfo: &BaseServiceInfo{hintsAnnotation: "auto"},
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endpoints: []Endpoint{
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&BaseEndpointInfo{Endpoint: "10.1.2.3:80", ZoneHints: sets.NewString("zone-a"), Ready: true},
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&BaseEndpointInfo{Endpoint: "10.1.2.4:80", ZoneHints: sets.NewString("zone-b"), Ready: true},
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&BaseEndpointInfo{Endpoint: "10.1.2.5:80", ZoneHints: sets.NewString("zone-c"), Ready: true},
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&BaseEndpointInfo{Endpoint: "10.1.2.6:80", ZoneHints: sets.NewString("zone-a"), Ready: false},
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},
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expectedEndpoints: sets.NewString("10.1.2.3:80"),
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}, {
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name: "only unready endpoints in same zone (should not filter)",
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hintsEnabled: true,
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nodeLabels: map[string]string{v1.LabelTopologyZone: "zone-a"},
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serviceInfo: &BaseServiceInfo{hintsAnnotation: "auto"},
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endpoints: []Endpoint{
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&BaseEndpointInfo{Endpoint: "10.1.2.3:80", ZoneHints: sets.NewString("zone-a"), Ready: false},
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&BaseEndpointInfo{Endpoint: "10.1.2.4:80", ZoneHints: sets.NewString("zone-b"), Ready: true},
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&BaseEndpointInfo{Endpoint: "10.1.2.5:80", ZoneHints: sets.NewString("zone-c"), Ready: true},
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&BaseEndpointInfo{Endpoint: "10.1.2.6:80", ZoneHints: sets.NewString("zone-a"), Ready: false},
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},
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expectedEndpoints: sets.NewString("10.1.2.3:80", "10.1.2.4:80", "10.1.2.5:80", "10.1.2.6:80"),
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}, {
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name: "normal endpoint filtering, Auto annotation",
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hintsEnabled: true,
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nodeLabels: map[string]string{v1.LabelTopologyZone: "zone-a"},
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serviceInfo: &BaseServiceInfo{hintsAnnotation: "Auto"},
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endpoints: []Endpoint{
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&BaseEndpointInfo{Endpoint: "10.1.2.3:80", ZoneHints: sets.NewString("zone-a"), Ready: true},
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&BaseEndpointInfo{Endpoint: "10.1.2.4:80", ZoneHints: sets.NewString("zone-b"), Ready: true},
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&BaseEndpointInfo{Endpoint: "10.1.2.5:80", ZoneHints: sets.NewString("zone-c"), Ready: true},
|
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&BaseEndpointInfo{Endpoint: "10.1.2.6:80", ZoneHints: sets.NewString("zone-a"), Ready: true},
|
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},
|
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expectedEndpoints: sets.NewString("10.1.2.3:80", "10.1.2.6:80"),
|
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}, {
|
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name: "hintsAnnotation empty, no filtering applied",
|
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hintsEnabled: true,
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nodeLabels: map[string]string{v1.LabelTopologyZone: "zone-a"},
|
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serviceInfo: &BaseServiceInfo{hintsAnnotation: ""},
|
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endpoints: []Endpoint{
|
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&BaseEndpointInfo{Endpoint: "10.1.2.3:80", ZoneHints: sets.NewString("zone-a"), Ready: true},
|
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&BaseEndpointInfo{Endpoint: "10.1.2.4:80", ZoneHints: sets.NewString("zone-b"), Ready: true},
|
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&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},
|
||||
},
|
||||
expectedEndpoints: sets.NewString("10.1.2.3:80", "10.1.2.4:80", "10.1.2.5:80", "10.1.2.6:80"),
|
||||
}, {
|
||||
name: "hintsAnnotation disabled, no filtering applied",
|
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hintsEnabled: true,
|
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nodeLabels: map[string]string{v1.LabelTopologyZone: "zone-a"},
|
||||
serviceInfo: &BaseServiceInfo{hintsAnnotation: "disabled"},
|
||||
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},
|
||||
},
|
||||
expectedEndpoints: sets.NewString("10.1.2.3:80", "10.1.2.4:80", "10.1.2.5:80", "10.1.2.6:80"),
|
||||
}, {
|
||||
name: "missing hints, no filtering applied",
|
||||
hintsEnabled: true,
|
||||
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: nil, Ready: true},
|
||||
&BaseEndpointInfo{Endpoint: "10.1.2.6:80", ZoneHints: sets.NewString("zone-a"), Ready: true},
|
||||
},
|
||||
expectedEndpoints: sets.NewString("10.1.2.3:80", "10.1.2.4:80", "10.1.2.5:80", "10.1.2.6:80"),
|
||||
}, {
|
||||
name: "multiple hints per endpoint, filtering includes any endpoint with zone included",
|
||||
hintsEnabled: true,
|
||||
nodeLabels: map[string]string{v1.LabelTopologyZone: "zone-c"},
|
||||
serviceInfo: &BaseServiceInfo{hintsAnnotation: "auto"},
|
||||
endpoints: []Endpoint{
|
||||
&BaseEndpointInfo{Endpoint: "10.1.2.3:80", ZoneHints: sets.NewString("zone-a", "zone-b", "zone-c"), Ready: true},
|
||||
&BaseEndpointInfo{Endpoint: "10.1.2.4:80", ZoneHints: sets.NewString("zone-b", "zone-c"), Ready: true},
|
||||
&BaseEndpointInfo{Endpoint: "10.1.2.5:80", ZoneHints: sets.NewString("zone-b", "zone-d"), Ready: true},
|
||||
&BaseEndpointInfo{Endpoint: "10.1.2.6:80", ZoneHints: sets.NewString("zone-c"), Ready: true},
|
||||
},
|
||||
expectedEndpoints: sets.NewString("10.1.2.3:80", "10.1.2.4:80", "10.1.2.6:80"),
|
||||
}, {
|
||||
name: "internalTrafficPolicy: Local, with empty endpoints",
|
||||
serviceInfo: &BaseServiceInfo{nodeLocalInternal: true},
|
||||
endpoints: []Endpoint{},
|
||||
expectedEndpoints: nil,
|
||||
}, {
|
||||
name: "internalTrafficPolicy: Local, but all endpoints are remote",
|
||||
serviceInfo: &BaseServiceInfo{nodeLocalInternal: true},
|
||||
endpoints: []Endpoint{
|
||||
&BaseEndpointInfo{Endpoint: "10.0.0.0:80", Ready: true, IsLocal: false},
|
||||
&BaseEndpointInfo{Endpoint: "10.0.0.1:80", Ready: true, IsLocal: false},
|
||||
},
|
||||
expectedEndpoints: nil,
|
||||
}, {
|
||||
name: "internalTrafficPolicy: Local, all endpoints are local",
|
||||
serviceInfo: &BaseServiceInfo{nodeLocalInternal: true},
|
||||
endpoints: []Endpoint{
|
||||
&BaseEndpointInfo{Endpoint: "10.0.0.0:80", Ready: true, IsLocal: true},
|
||||
&BaseEndpointInfo{Endpoint: "10.0.0.1:80", Ready: true, IsLocal: true},
|
||||
},
|
||||
expectedEndpoints: sets.NewString("10.0.0.0:80", "10.0.0.1:80"),
|
||||
}, {
|
||||
name: "internalTrafficPolicy: Local, some endpoints are local",
|
||||
serviceInfo: &BaseServiceInfo{nodeLocalInternal: true},
|
||||
endpoints: []Endpoint{
|
||||
&BaseEndpointInfo{Endpoint: "10.0.0.0:80", Ready: true, IsLocal: true},
|
||||
&BaseEndpointInfo{Endpoint: "10.0.0.1:80", Ready: true, IsLocal: false},
|
||||
},
|
||||
expectedEndpoints: sets.NewString("10.0.0.0:80"),
|
||||
}}
|
||||
|
||||
endpointsToStringArray := func(endpoints []Endpoint) []string {
|
||||
result := make([]string, 0, len(endpoints))
|
||||
for _, ep := range endpoints {
|
||||
result = append(result, ep.String())
|
||||
}
|
||||
return result
|
||||
}
|
||||
|
||||
for _, tc := range testCases {
|
||||
t.Run(tc.name, func(t *testing.T) {
|
||||
defer featuregatetesting.SetFeatureGateDuringTest(t, utilfeature.DefaultFeatureGate, features.TopologyAwareHints, tc.hintsEnabled)()
|
||||
|
||||
endpoints := []Endpoint{}
|
||||
for _, ep := range tc.endpoints {
|
||||
endpoints = append(endpoints, &BaseEndpointInfo{Endpoint: ep.ip, ZoneHints: ep.zoneHints, Ready: !ep.unready})
|
||||
}
|
||||
|
||||
expectedEndpoints := []Endpoint{}
|
||||
for _, ep := range tc.expectedEndpoints {
|
||||
expectedEndpoints = append(expectedEndpoints, &BaseEndpointInfo{Endpoint: ep.ip, ZoneHints: ep.zoneHints, Ready: !ep.unready})
|
||||
}
|
||||
|
||||
filteredEndpoints := FilterEndpoints(endpoints, tc.serviceInfo, tc.nodeLabels)
|
||||
if len(filteredEndpoints) != len(expectedEndpoints) {
|
||||
t.Errorf("expected %d filtered endpoints, got %d", len(expectedEndpoints), len(filteredEndpoints))
|
||||
}
|
||||
if !reflect.DeepEqual(filteredEndpoints, expectedEndpoints) {
|
||||
t.Errorf("expected %v, got %v", endpointsToStringArray(expectedEndpoints), endpointsToStringArray(filteredEndpoints))
|
||||
}
|
||||
})
|
||||
}
|
||||
}
|
||||
|
||||
func Test_filterEndpointsWithHints(t *testing.T) {
|
||||
type endpoint struct {
|
||||
ip string
|
||||
zoneHints sets.String
|
||||
unready bool
|
||||
}
|
||||
testCases := []struct {
|
||||
name string
|
||||
nodeLabels map[string]string
|
||||
hintsAnnotation string
|
||||
endpoints []endpoint
|
||||
expectedEndpoints []endpoint
|
||||
}{{
|
||||
name: "empty node labels",
|
||||
nodeLabels: map[string]string{},
|
||||
hintsAnnotation: "auto",
|
||||
endpoints: []endpoint{{ip: "10.1.2.3", zoneHints: sets.NewString("zone-a")}},
|
||||
expectedEndpoints: []endpoint{{ip: "10.1.2.3", zoneHints: sets.NewString("zone-a")}},
|
||||
}, {
|
||||
name: "empty zone label",
|
||||
nodeLabels: map[string]string{v1.LabelTopologyZone: ""},
|
||||
hintsAnnotation: "auto",
|
||||
endpoints: []endpoint{{ip: "10.1.2.3", zoneHints: sets.NewString("zone-a")}},
|
||||
expectedEndpoints: []endpoint{{ip: "10.1.2.3", zoneHints: sets.NewString("zone-a")}},
|
||||
}, {
|
||||
name: "node in different zone, no endpoint filtering",
|
||||
nodeLabels: map[string]string{v1.LabelTopologyZone: "zone-b"},
|
||||
hintsAnnotation: "auto",
|
||||
endpoints: []endpoint{{ip: "10.1.2.3", zoneHints: sets.NewString("zone-a")}},
|
||||
expectedEndpoints: []endpoint{{ip: "10.1.2.3", zoneHints: sets.NewString("zone-a")}},
|
||||
}, {
|
||||
name: "normal endpoint filtering, auto annotation",
|
||||
nodeLabels: map[string]string{v1.LabelTopologyZone: "zone-a"},
|
||||
hintsAnnotation: "auto",
|
||||
endpoints: []endpoint{
|
||||
{ip: "10.1.2.3", zoneHints: sets.NewString("zone-a")},
|
||||
{ip: "10.1.2.4", zoneHints: sets.NewString("zone-b")},
|
||||
{ip: "10.1.2.5", zoneHints: sets.NewString("zone-c")},
|
||||
{ip: "10.1.2.6", zoneHints: sets.NewString("zone-a")},
|
||||
},
|
||||
expectedEndpoints: []endpoint{
|
||||
{ip: "10.1.2.3", zoneHints: sets.NewString("zone-a")},
|
||||
{ip: "10.1.2.6", zoneHints: sets.NewString("zone-a")},
|
||||
},
|
||||
}, {
|
||||
name: "unready endpoint",
|
||||
nodeLabels: map[string]string{v1.LabelTopologyZone: "zone-a"},
|
||||
hintsAnnotation: "auto",
|
||||
endpoints: []endpoint{
|
||||
{ip: "10.1.2.3", zoneHints: sets.NewString("zone-a")},
|
||||
{ip: "10.1.2.4", zoneHints: sets.NewString("zone-b")},
|
||||
{ip: "10.1.2.5", zoneHints: sets.NewString("zone-c")},
|
||||
{ip: "10.1.2.6", zoneHints: sets.NewString("zone-a"), unready: true},
|
||||
},
|
||||
expectedEndpoints: []endpoint{
|
||||
{ip: "10.1.2.3", zoneHints: sets.NewString("zone-a")},
|
||||
},
|
||||
}, {
|
||||
name: "only unready endpoints in same zone (should not filter)",
|
||||
nodeLabels: map[string]string{v1.LabelTopologyZone: "zone-a"},
|
||||
hintsAnnotation: "auto",
|
||||
endpoints: []endpoint{
|
||||
{ip: "10.1.2.3", zoneHints: sets.NewString("zone-a"), unready: true},
|
||||
{ip: "10.1.2.4", zoneHints: sets.NewString("zone-b")},
|
||||
{ip: "10.1.2.5", zoneHints: sets.NewString("zone-c")},
|
||||
{ip: "10.1.2.6", zoneHints: sets.NewString("zone-a"), unready: true},
|
||||
},
|
||||
expectedEndpoints: []endpoint{
|
||||
{ip: "10.1.2.3", zoneHints: sets.NewString("zone-a"), unready: true},
|
||||
{ip: "10.1.2.4", zoneHints: sets.NewString("zone-b")},
|
||||
{ip: "10.1.2.5", zoneHints: sets.NewString("zone-c")},
|
||||
{ip: "10.1.2.6", zoneHints: sets.NewString("zone-a"), unready: true},
|
||||
},
|
||||
}, {
|
||||
name: "normal endpoint filtering, Auto annotation",
|
||||
nodeLabels: map[string]string{v1.LabelTopologyZone: "zone-a"},
|
||||
hintsAnnotation: "Auto",
|
||||
endpoints: []endpoint{
|
||||
{ip: "10.1.2.3", zoneHints: sets.NewString("zone-a")},
|
||||
{ip: "10.1.2.4", zoneHints: sets.NewString("zone-b")},
|
||||
{ip: "10.1.2.5", zoneHints: sets.NewString("zone-c")},
|
||||
{ip: "10.1.2.6", zoneHints: sets.NewString("zone-a")},
|
||||
},
|
||||
expectedEndpoints: []endpoint{
|
||||
{ip: "10.1.2.3", zoneHints: sets.NewString("zone-a")},
|
||||
{ip: "10.1.2.6", zoneHints: sets.NewString("zone-a")},
|
||||
},
|
||||
}, {
|
||||
name: "hintsAnnotation empty, no filtering applied",
|
||||
nodeLabels: map[string]string{v1.LabelTopologyZone: "zone-a"},
|
||||
hintsAnnotation: "",
|
||||
endpoints: []endpoint{
|
||||
{ip: "10.1.2.3", zoneHints: sets.NewString("zone-a")},
|
||||
{ip: "10.1.2.4", zoneHints: sets.NewString("zone-b")},
|
||||
{ip: "10.1.2.5", zoneHints: sets.NewString("zone-c")},
|
||||
{ip: "10.1.2.6", zoneHints: sets.NewString("zone-a")},
|
||||
},
|
||||
expectedEndpoints: []endpoint{
|
||||
{ip: "10.1.2.3", zoneHints: sets.NewString("zone-a")},
|
||||
{ip: "10.1.2.4", zoneHints: sets.NewString("zone-b")},
|
||||
{ip: "10.1.2.5", zoneHints: sets.NewString("zone-c")},
|
||||
{ip: "10.1.2.6", zoneHints: sets.NewString("zone-a")},
|
||||
},
|
||||
}, {
|
||||
name: "hintsAnnotation disabled, no filtering applied",
|
||||
nodeLabels: map[string]string{v1.LabelTopologyZone: "zone-a"},
|
||||
hintsAnnotation: "disabled",
|
||||
endpoints: []endpoint{
|
||||
{ip: "10.1.2.3", zoneHints: sets.NewString("zone-a")},
|
||||
{ip: "10.1.2.4", zoneHints: sets.NewString("zone-b")},
|
||||
{ip: "10.1.2.5", zoneHints: sets.NewString("zone-c")},
|
||||
{ip: "10.1.2.6", zoneHints: sets.NewString("zone-a")},
|
||||
},
|
||||
expectedEndpoints: []endpoint{
|
||||
{ip: "10.1.2.3", zoneHints: sets.NewString("zone-a")},
|
||||
{ip: "10.1.2.4", zoneHints: sets.NewString("zone-b")},
|
||||
{ip: "10.1.2.5", zoneHints: sets.NewString("zone-c")},
|
||||
{ip: "10.1.2.6", zoneHints: sets.NewString("zone-a")},
|
||||
},
|
||||
}, {
|
||||
name: "missing hints, no filtering applied",
|
||||
nodeLabels: map[string]string{v1.LabelTopologyZone: "zone-a"},
|
||||
hintsAnnotation: "auto",
|
||||
endpoints: []endpoint{
|
||||
{ip: "10.1.2.3", zoneHints: sets.NewString("zone-a")},
|
||||
{ip: "10.1.2.4", zoneHints: sets.NewString("zone-b")},
|
||||
{ip: "10.1.2.5"},
|
||||
{ip: "10.1.2.6", zoneHints: sets.NewString("zone-a")},
|
||||
},
|
||||
expectedEndpoints: []endpoint{
|
||||
{ip: "10.1.2.3", zoneHints: sets.NewString("zone-a")},
|
||||
{ip: "10.1.2.4", zoneHints: sets.NewString("zone-b")},
|
||||
{ip: "10.1.2.5"},
|
||||
{ip: "10.1.2.6", zoneHints: sets.NewString("zone-a")},
|
||||
},
|
||||
}, {
|
||||
name: "multiple hints per endpoint, filtering includes any endpoint with zone included",
|
||||
nodeLabels: map[string]string{v1.LabelTopologyZone: "zone-c"},
|
||||
hintsAnnotation: "auto",
|
||||
endpoints: []endpoint{
|
||||
{ip: "10.1.2.3", zoneHints: sets.NewString("zone-a", "zone-b", "zone-c")},
|
||||
{ip: "10.1.2.4", zoneHints: sets.NewString("zone-b", "zone-c")},
|
||||
{ip: "10.1.2.5", zoneHints: sets.NewString("zone-b", "zone-d")},
|
||||
{ip: "10.1.2.6", zoneHints: sets.NewString("zone-c")},
|
||||
},
|
||||
expectedEndpoints: []endpoint{
|
||||
{ip: "10.1.2.3", zoneHints: sets.NewString("zone-a", "zone-b", "zone-c")},
|
||||
{ip: "10.1.2.4", zoneHints: sets.NewString("zone-b", "zone-c")},
|
||||
{ip: "10.1.2.6", zoneHints: sets.NewString("zone-c")},
|
||||
},
|
||||
}}
|
||||
|
||||
endpointsToStringArray := func(endpoints []Endpoint) []string {
|
||||
result := make([]string, 0, len(endpoints))
|
||||
for _, ep := range endpoints {
|
||||
result = append(result, ep.String())
|
||||
}
|
||||
return result
|
||||
}
|
||||
|
||||
for _, tc := range testCases {
|
||||
t.Run(tc.name, func(t *testing.T) {
|
||||
endpoints := []Endpoint{}
|
||||
for _, ep := range tc.endpoints {
|
||||
endpoints = append(endpoints, &BaseEndpointInfo{Endpoint: ep.ip, ZoneHints: ep.zoneHints, Ready: !ep.unready})
|
||||
}
|
||||
|
||||
expectedEndpoints := []Endpoint{}
|
||||
for _, ep := range tc.expectedEndpoints {
|
||||
expectedEndpoints = append(expectedEndpoints, &BaseEndpointInfo{Endpoint: ep.ip, ZoneHints: ep.zoneHints, Ready: !ep.unready})
|
||||
}
|
||||
|
||||
filteredEndpoints := filterEndpointsWithHints(endpoints, tc.hintsAnnotation, tc.nodeLabels)
|
||||
if len(filteredEndpoints) != len(expectedEndpoints) {
|
||||
t.Errorf("expected %d filtered endpoints, got %d", len(expectedEndpoints), len(filteredEndpoints))
|
||||
}
|
||||
if !reflect.DeepEqual(filteredEndpoints, expectedEndpoints) {
|
||||
t.Errorf("expected %v, got %v", endpointsToStringArray(expectedEndpoints), endpointsToStringArray(filteredEndpoints))
|
||||
}
|
||||
})
|
||||
}
|
||||
}
|
||||
|
||||
func TestFilterLocalEndpoint(t *testing.T) {
|
||||
testCases := []struct {
|
||||
name string
|
||||
endpoints []Endpoint
|
||||
expected []Endpoint
|
||||
}{
|
||||
{
|
||||
name: "with empty endpoints",
|
||||
endpoints: []Endpoint{},
|
||||
expected: nil,
|
||||
},
|
||||
{
|
||||
name: "all endpoints not local",
|
||||
endpoints: []Endpoint{
|
||||
&BaseEndpointInfo{Endpoint: "10.0.0.0:80", IsLocal: false},
|
||||
&BaseEndpointInfo{Endpoint: "10.0.0.1:80", IsLocal: false},
|
||||
},
|
||||
expected: nil,
|
||||
},
|
||||
{
|
||||
name: "all endpoints are local",
|
||||
endpoints: []Endpoint{
|
||||
&BaseEndpointInfo{Endpoint: "10.0.0.0:80", IsLocal: true},
|
||||
&BaseEndpointInfo{Endpoint: "10.0.0.1:80", IsLocal: true},
|
||||
},
|
||||
expected: []Endpoint{
|
||||
&BaseEndpointInfo{Endpoint: "10.0.0.0:80", IsLocal: true},
|
||||
&BaseEndpointInfo{Endpoint: "10.0.0.1:80", IsLocal: true},
|
||||
},
|
||||
},
|
||||
{
|
||||
name: "some endpoints are local",
|
||||
endpoints: []Endpoint{
|
||||
&BaseEndpointInfo{Endpoint: "10.0.0.0:80", IsLocal: true},
|
||||
&BaseEndpointInfo{Endpoint: "10.0.0.1:80", IsLocal: false},
|
||||
},
|
||||
expected: []Endpoint{
|
||||
&BaseEndpointInfo{Endpoint: "10.0.0.0:80", IsLocal: true},
|
||||
},
|
||||
},
|
||||
}
|
||||
for _, tc := range testCases {
|
||||
t.Run(tc.name, func(t *testing.T) {
|
||||
filteredEndpoint := FilterLocalEndpoint(tc.endpoints)
|
||||
if !reflect.DeepEqual(filteredEndpoint, tc.expected) {
|
||||
t.Errorf("expected %v, got %v", tc.expected, filteredEndpoint)
|
||||
filteredEndpoints := FilterEndpoints(tc.endpoints, tc.serviceInfo, tc.nodeLabels)
|
||||
err := checkExpectedEndpoints(tc.expectedEndpoints, filteredEndpoints)
|
||||
if err != nil {
|
||||
t.Errorf(err.Error())
|
||||
}
|
||||
})
|
||||
}
|
||||
|
||||
Loading…
Reference in New Issue
Block a user