152 lines
3.8 KiB
Go
152 lines
3.8 KiB
Go
/*
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Copyright 2017 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package schedulercache
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import (
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"fmt"
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"reflect"
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"testing"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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utilfeature "k8s.io/apiserver/pkg/util/feature"
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"k8s.io/kubernetes/pkg/api/v1"
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)
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// TODO: remove when alpha support for affinity is removed
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func TestReconcileAffinity(t *testing.T) {
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baseAffinity := &v1.Affinity{
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NodeAffinity: &v1.NodeAffinity{
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RequiredDuringSchedulingIgnoredDuringExecution: &v1.NodeSelector{
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NodeSelectorTerms: []v1.NodeSelectorTerm{
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{
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MatchExpressions: []v1.NodeSelectorRequirement{
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{
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Key: "foo",
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Operator: v1.NodeSelectorOpIn,
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Values: []string{"bar", "value2"},
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},
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},
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},
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},
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},
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},
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PodAffinity: &v1.PodAffinity{
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RequiredDuringSchedulingIgnoredDuringExecution: []v1.PodAffinityTerm{
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{
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LabelSelector: &metav1.LabelSelector{
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MatchExpressions: []metav1.LabelSelectorRequirement{
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{
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Key: "security",
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Operator: metav1.LabelSelectorOpDoesNotExist,
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Values: []string{"securityscan"},
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},
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},
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},
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TopologyKey: "topologyKey1",
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},
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},
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},
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PodAntiAffinity: &v1.PodAntiAffinity{
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RequiredDuringSchedulingIgnoredDuringExecution: []v1.PodAffinityTerm{
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{
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LabelSelector: &metav1.LabelSelector{
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MatchExpressions: []metav1.LabelSelectorRequirement{
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{
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Key: "service",
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Operator: metav1.LabelSelectorOpIn,
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Values: []string{"S1", "value2"},
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},
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},
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},
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TopologyKey: "topologyKey2",
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Namespaces: []string{"ns1"},
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},
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},
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},
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}
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nodeAffinityAnnotation := map[string]string{
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v1.AffinityAnnotationKey: `
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{"nodeAffinity": {"preferredDuringSchedulingIgnoredDuringExecution": [
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{
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"weight": 2,
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"preference": {"matchExpressions": [
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{
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"key": "foo",
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"operator": "In", "values": ["bar"]
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}
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]}
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}
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]}}`,
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}
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testCases := []struct {
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pod *v1.Pod
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expected *v1.Affinity
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annotationsEnabled bool
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}{
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{
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// affinity is set in both PodSpec and annotations; take from PodSpec.
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pod: &v1.Pod{
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ObjectMeta: metav1.ObjectMeta{
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Annotations: nodeAffinityAnnotation,
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},
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Spec: v1.PodSpec{
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Affinity: baseAffinity,
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},
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},
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expected: baseAffinity,
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annotationsEnabled: true,
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},
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{
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// affinity is only set in annotation; take from annotation.
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pod: &v1.Pod{
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ObjectMeta: metav1.ObjectMeta{
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Annotations: nodeAffinityAnnotation,
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},
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},
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expected: &v1.Affinity{
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NodeAffinity: &v1.NodeAffinity{
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PreferredDuringSchedulingIgnoredDuringExecution: []v1.PreferredSchedulingTerm{
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{
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Weight: 2,
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Preference: v1.NodeSelectorTerm{
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MatchExpressions: []v1.NodeSelectorRequirement{
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{
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Key: "foo",
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Operator: v1.NodeSelectorOpIn,
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Values: []string{"bar"},
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},
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},
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},
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},
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},
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},
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},
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annotationsEnabled: true,
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},
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}
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for i, tc := range testCases {
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utilfeature.DefaultFeatureGate.Set(fmt.Sprintf("AffinityInAnnotations=%t", tc.annotationsEnabled))
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affinity := ReconcileAffinity(tc.pod)
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if !reflect.DeepEqual(affinity, tc.expected) {
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t.Errorf("[%v] Did not get expected affinity:\n\n%v\n\n. got:\n\n %v", i, tc.expected, affinity)
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}
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}
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}
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