| /* |
| Copyright 2016 The Kubernetes Authors. |
| |
| Licensed under the Apache License, Version 2.0 (the "License"); |
| you may not use this file except in compliance with the License. |
| You may obtain a copy of the License at |
| |
| http://www.apache.org/licenses/LICENSE-2.0 |
| |
| Unless required by applicable law or agreed to in writing, software |
| distributed under the License is distributed on an "AS IS" BASIS, |
| WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| See the License for the specific language governing permissions and |
| limitations under the License. |
| */ |
| |
| package priorities |
| |
| import ( |
| "reflect" |
| "sort" |
| "testing" |
| |
| "k8s.io/api/core/v1" |
| metav1 "k8s.io/apimachinery/pkg/apis/meta/v1" |
| schedulerapi "k8s.io/kubernetes/pkg/scheduler/api" |
| schedulercache "k8s.io/kubernetes/pkg/scheduler/cache" |
| ) |
| |
| func TestNodePreferAvoidPriority(t *testing.T) { |
| annotations1 := map[string]string{ |
| v1.PreferAvoidPodsAnnotationKey: ` |
| { |
| "preferAvoidPods": [ |
| { |
| "podSignature": { |
| "podController": { |
| "apiVersion": "v1", |
| "kind": "ReplicationController", |
| "name": "foo", |
| "uid": "abcdef123456", |
| "controller": true |
| } |
| }, |
| "reason": "some reason", |
| "message": "some message" |
| } |
| ] |
| }`, |
| } |
| annotations2 := map[string]string{ |
| v1.PreferAvoidPodsAnnotationKey: ` |
| { |
| "preferAvoidPods": [ |
| { |
| "podSignature": { |
| "podController": { |
| "apiVersion": "v1", |
| "kind": "ReplicaSet", |
| "name": "foo", |
| "uid": "qwert12345", |
| "controller": true |
| } |
| }, |
| "reason": "some reason", |
| "message": "some message" |
| } |
| ] |
| }`, |
| } |
| testNodes := []*v1.Node{ |
| { |
| ObjectMeta: metav1.ObjectMeta{Name: "machine1", Annotations: annotations1}, |
| }, |
| { |
| ObjectMeta: metav1.ObjectMeta{Name: "machine2", Annotations: annotations2}, |
| }, |
| { |
| ObjectMeta: metav1.ObjectMeta{Name: "machine3"}, |
| }, |
| } |
| trueVar := true |
| tests := []struct { |
| pod *v1.Pod |
| nodes []*v1.Node |
| expectedList schedulerapi.HostPriorityList |
| name string |
| }{ |
| { |
| pod: &v1.Pod{ |
| ObjectMeta: metav1.ObjectMeta{ |
| Namespace: "default", |
| OwnerReferences: []metav1.OwnerReference{ |
| {Kind: "ReplicationController", Name: "foo", UID: "abcdef123456", Controller: &trueVar}, |
| }, |
| }, |
| }, |
| nodes: testNodes, |
| expectedList: []schedulerapi.HostPriority{{Host: "machine1", Score: 0}, {Host: "machine2", Score: schedulerapi.MaxPriority}, {Host: "machine3", Score: schedulerapi.MaxPriority}}, |
| name: "pod managed by ReplicationController should avoid a node, this node get lowest priority score", |
| }, |
| { |
| pod: &v1.Pod{ |
| ObjectMeta: metav1.ObjectMeta{ |
| Namespace: "default", |
| OwnerReferences: []metav1.OwnerReference{ |
| {Kind: "RandomController", Name: "foo", UID: "abcdef123456", Controller: &trueVar}, |
| }, |
| }, |
| }, |
| nodes: testNodes, |
| expectedList: []schedulerapi.HostPriority{{Host: "machine1", Score: schedulerapi.MaxPriority}, {Host: "machine2", Score: schedulerapi.MaxPriority}, {Host: "machine3", Score: schedulerapi.MaxPriority}}, |
| name: "ownership by random controller should be ignored", |
| }, |
| { |
| pod: &v1.Pod{ |
| ObjectMeta: metav1.ObjectMeta{ |
| Namespace: "default", |
| OwnerReferences: []metav1.OwnerReference{ |
| {Kind: "ReplicationController", Name: "foo", UID: "abcdef123456"}, |
| }, |
| }, |
| }, |
| nodes: testNodes, |
| expectedList: []schedulerapi.HostPriority{{Host: "machine1", Score: schedulerapi.MaxPriority}, {Host: "machine2", Score: schedulerapi.MaxPriority}, {Host: "machine3", Score: schedulerapi.MaxPriority}}, |
| name: "owner without Controller field set should be ignored", |
| }, |
| { |
| pod: &v1.Pod{ |
| ObjectMeta: metav1.ObjectMeta{ |
| Namespace: "default", |
| OwnerReferences: []metav1.OwnerReference{ |
| {Kind: "ReplicaSet", Name: "foo", UID: "qwert12345", Controller: &trueVar}, |
| }, |
| }, |
| }, |
| nodes: testNodes, |
| expectedList: []schedulerapi.HostPriority{{Host: "machine1", Score: schedulerapi.MaxPriority}, {Host: "machine2", Score: 0}, {Host: "machine3", Score: schedulerapi.MaxPriority}}, |
| name: "pod managed by ReplicaSet should avoid a node, this node get lowest priority score", |
| }, |
| } |
| |
| for _, test := range tests { |
| t.Run(test.name, func(t *testing.T) { |
| nodeNameToInfo := schedulercache.CreateNodeNameToInfoMap(nil, test.nodes) |
| list, err := priorityFunction(CalculateNodePreferAvoidPodsPriorityMap, nil, nil)(test.pod, nodeNameToInfo, test.nodes) |
| if err != nil { |
| t.Errorf("unexpected error: %v", err) |
| } |
| // sort the two lists to avoid failures on account of different ordering |
| sort.Sort(test.expectedList) |
| sort.Sort(list) |
| if !reflect.DeepEqual(test.expectedList, list) { |
| t.Errorf("expected %#v, got %#v", test.expectedList, list) |
| } |
| }) |
| } |
| } |