653 lines
18 KiB
Go
653 lines
18 KiB
Go
/*
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Copyright 2022 The Karmada 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 gracefuleviction
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import (
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"reflect"
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"testing"
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"time"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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"k8s.io/utils/ptr"
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workv1alpha2 "github.com/karmada-io/karmada/pkg/apis/work/v1alpha2"
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)
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func Test_assessSingleTask(t *testing.T) {
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timeNow := metav1.Now()
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timeout := time.Minute * 3
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type args struct {
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task workv1alpha2.GracefulEvictionTask
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opt assessmentOption
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}
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tests := []struct {
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name string
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args args
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want *workv1alpha2.GracefulEvictionTask
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}{
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{
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name: "task that doesn't exceed the timeout",
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args: args{
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task: workv1alpha2.GracefulEvictionTask{
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FromCluster: "member1",
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CreationTimestamp: &metav1.Time{Time: timeNow.Add(time.Minute * -1)},
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},
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opt: assessmentOption{
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timeout: timeout,
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scheduleResult: []workv1alpha2.TargetCluster{
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{Name: "memberA"},
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},
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},
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},
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want: &workv1alpha2.GracefulEvictionTask{
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FromCluster: "member1",
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CreationTimestamp: &metav1.Time{Time: timeNow.Add(time.Minute * -1)},
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},
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},
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{
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name: "task that exceeds the timeout",
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args: args{
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task: workv1alpha2.GracefulEvictionTask{
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FromCluster: "member1",
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CreationTimestamp: &metav1.Time{Time: timeNow.Add(time.Minute * -4)},
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},
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opt: assessmentOption{
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timeout: timeout,
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scheduleResult: []workv1alpha2.TargetCluster{
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{Name: "memberA"},
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},
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},
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},
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want: nil,
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},
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{
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name: "binding scheduled result is healthy, task should be nil",
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args: args{
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task: workv1alpha2.GracefulEvictionTask{
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FromCluster: "member1",
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CreationTimestamp: &metav1.Time{Time: timeNow.Add(time.Minute * -1)},
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},
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opt: assessmentOption{
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timeout: timeout,
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scheduleResult: []workv1alpha2.TargetCluster{
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{Name: "memberA"},
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},
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observedStatus: []workv1alpha2.AggregatedStatusItem{
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{ClusterName: "memberA", Health: workv1alpha2.ResourceHealthy},
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},
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},
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},
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want: nil,
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},
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{
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name: "binding scheduled result is unhealthy, task has no effect",
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args: args{
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task: workv1alpha2.GracefulEvictionTask{
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FromCluster: "member1",
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CreationTimestamp: &metav1.Time{Time: timeNow.Add(time.Minute * -1)},
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},
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opt: assessmentOption{
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timeout: timeout,
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scheduleResult: []workv1alpha2.TargetCluster{
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{Name: "memberA"},
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},
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observedStatus: []workv1alpha2.AggregatedStatusItem{
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{ClusterName: "memberA", Health: workv1alpha2.ResourceUnhealthy},
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},
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},
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},
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want: &workv1alpha2.GracefulEvictionTask{
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FromCluster: "member1",
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CreationTimestamp: &metav1.Time{Time: timeNow.Add(time.Minute * -1)},
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},
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},
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{
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name: "binding scheduled result is unknown, task has no effect",
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args: args{
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task: workv1alpha2.GracefulEvictionTask{
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FromCluster: "member1",
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CreationTimestamp: &metav1.Time{Time: timeNow.Add(time.Minute * -1)},
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},
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opt: assessmentOption{
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timeout: timeout,
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scheduleResult: []workv1alpha2.TargetCluster{
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{Name: "memberA"},
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},
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observedStatus: []workv1alpha2.AggregatedStatusItem{
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{ClusterName: "memberA", Health: workv1alpha2.ResourceUnknown},
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},
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},
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},
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want: &workv1alpha2.GracefulEvictionTask{
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FromCluster: "member1",
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CreationTimestamp: &metav1.Time{Time: timeNow.Add(time.Minute * -1)},
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},
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},
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{
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name: "gracePeriodSeconds is declared in gracefulEvictionTask and timeout is not reached",
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args: args{
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task: workv1alpha2.GracefulEvictionTask{
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FromCluster: "member1",
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GracePeriodSeconds: ptr.To[int32](30),
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CreationTimestamp: &metav1.Time{Time: timeNow.Add(time.Minute * -1)},
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},
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opt: assessmentOption{
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timeout: timeout,
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scheduleResult: []workv1alpha2.TargetCluster{
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{Name: "memberA"},
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},
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observedStatus: []workv1alpha2.AggregatedStatusItem{
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{ClusterName: "memberA", Health: workv1alpha2.ResourceUnknown},
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},
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},
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},
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want: nil,
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},
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{
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name: "gracePeriodSeconds is declared in gracefulEvictionTask and timeout is reached",
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args: args{
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task: workv1alpha2.GracefulEvictionTask{
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FromCluster: "member1",
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GracePeriodSeconds: ptr.To[int32](120),
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CreationTimestamp: &metav1.Time{Time: timeNow.Add(time.Minute * -1)},
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},
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opt: assessmentOption{
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timeout: timeout,
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scheduleResult: []workv1alpha2.TargetCluster{
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{Name: "memberA"},
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},
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observedStatus: []workv1alpha2.AggregatedStatusItem{
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{ClusterName: "memberA", Health: workv1alpha2.ResourceUnknown},
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},
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},
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},
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want: &workv1alpha2.GracefulEvictionTask{
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FromCluster: "member1",
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GracePeriodSeconds: ptr.To[int32](120),
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CreationTimestamp: &metav1.Time{Time: timeNow.Add(time.Minute * -1)},
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},
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},
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{
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name: "suppressDeletion is declared in gracefulEvictionTask and is true",
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args: args{
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task: workv1alpha2.GracefulEvictionTask{
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FromCluster: "member1",
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SuppressDeletion: ptr.To[bool](true),
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CreationTimestamp: &metav1.Time{Time: timeNow.Add(time.Minute * -1)},
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},
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opt: assessmentOption{
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timeout: timeout,
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scheduleResult: []workv1alpha2.TargetCluster{
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{Name: "memberA"},
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},
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observedStatus: []workv1alpha2.AggregatedStatusItem{
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{ClusterName: "memberA", Health: workv1alpha2.ResourceHealthy},
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},
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},
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},
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want: &workv1alpha2.GracefulEvictionTask{
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FromCluster: "member1",
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SuppressDeletion: ptr.To[bool](true),
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CreationTimestamp: &metav1.Time{Time: timeNow.Add(time.Minute * -1)},
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},
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},
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{
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name: "suppressDeletion is declared in gracefulEvictionTask and is false",
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args: args{
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task: workv1alpha2.GracefulEvictionTask{
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FromCluster: "member1",
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SuppressDeletion: ptr.To[bool](false),
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CreationTimestamp: &metav1.Time{Time: timeNow.Add(time.Minute * -1)},
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},
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opt: assessmentOption{
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timeout: timeout,
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scheduleResult: []workv1alpha2.TargetCluster{
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{Name: "memberA"},
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},
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observedStatus: []workv1alpha2.AggregatedStatusItem{
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{ClusterName: "memberA", Health: workv1alpha2.ResourceHealthy},
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},
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},
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},
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want: nil,
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},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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if got := assessSingleTask(tt.args.task, tt.args.opt); !reflect.DeepEqual(got, tt.want) {
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t.Errorf("assessSingleTask() = %v, want %v", got, tt.want)
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}
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})
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}
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}
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func Test_assessEvictionTasks(t *testing.T) {
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timeNow := metav1.Now()
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timeout := time.Minute * 3
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type args struct {
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bindingSpec workv1alpha2.ResourceBindingSpec
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observedStatus []workv1alpha2.AggregatedStatusItem
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timeout time.Duration
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now metav1.Time
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}
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tests := []struct {
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name string
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args args
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wantTask []workv1alpha2.GracefulEvictionTask
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wantCluster []string
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}{
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{
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name: "tasks without creation timestamp",
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args: args{
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bindingSpec: workv1alpha2.ResourceBindingSpec{
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Clusters: []workv1alpha2.TargetCluster{
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{Name: "memberA"},
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},
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GracefulEvictionTasks: []workv1alpha2.GracefulEvictionTask{
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{FromCluster: "member1"},
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{FromCluster: "member2"},
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},
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},
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observedStatus: []workv1alpha2.AggregatedStatusItem{},
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timeout: timeout,
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now: timeNow,
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},
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wantTask: []workv1alpha2.GracefulEvictionTask{
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{
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FromCluster: "member1",
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CreationTimestamp: &timeNow,
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},
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{
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FromCluster: "member2",
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CreationTimestamp: &timeNow,
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},
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},
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wantCluster: nil,
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},
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{
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name: "tasks that do not exceed the timeout should do nothing",
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args: args{
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bindingSpec: workv1alpha2.ResourceBindingSpec{
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Clusters: []workv1alpha2.TargetCluster{
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{Name: "memberA"},
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},
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GracefulEvictionTasks: []workv1alpha2.GracefulEvictionTask{
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{
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FromCluster: "member1",
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CreationTimestamp: &metav1.Time{Time: timeNow.Add(time.Minute * -1)},
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},
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{
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FromCluster: "member2",
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CreationTimestamp: &metav1.Time{Time: timeNow.Add(time.Minute * -2)},
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},
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},
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},
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observedStatus: []workv1alpha2.AggregatedStatusItem{},
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timeout: timeout,
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now: timeNow,
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},
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wantTask: []workv1alpha2.GracefulEvictionTask{
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{
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FromCluster: "member1",
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CreationTimestamp: &metav1.Time{Time: timeNow.Add(time.Minute * -1)},
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},
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{
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FromCluster: "member2",
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CreationTimestamp: &metav1.Time{Time: timeNow.Add(time.Minute * -2)},
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},
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},
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wantCluster: nil,
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},
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{
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name: "tasks that exceed the timeout should be removed",
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args: args{
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bindingSpec: workv1alpha2.ResourceBindingSpec{
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Clusters: []workv1alpha2.TargetCluster{
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{Name: "memberA"},
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},
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GracefulEvictionTasks: []workv1alpha2.GracefulEvictionTask{
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{
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FromCluster: "member1",
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CreationTimestamp: &metav1.Time{Time: timeNow.Add(time.Minute * -4)},
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},
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{
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FromCluster: "member2",
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CreationTimestamp: &metav1.Time{Time: timeNow.Add(time.Minute * -5)},
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},
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},
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},
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observedStatus: []workv1alpha2.AggregatedStatusItem{},
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timeout: timeout,
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now: timeNow,
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},
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wantTask: nil,
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wantCluster: []string{"member1", "member2"},
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},
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{
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name: "mixed tasks",
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args: args{
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bindingSpec: workv1alpha2.ResourceBindingSpec{
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Clusters: []workv1alpha2.TargetCluster{
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{Name: "memberA"},
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{Name: "memberB"},
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},
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GracefulEvictionTasks: []workv1alpha2.GracefulEvictionTask{
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{
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FromCluster: "member1",
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},
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{
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FromCluster: "member2",
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CreationTimestamp: &metav1.Time{Time: timeNow.Add(time.Minute * -2)},
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},
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{
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FromCluster: "member3",
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CreationTimestamp: &metav1.Time{Time: timeNow.Add(time.Minute * -4)},
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},
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},
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},
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observedStatus: []workv1alpha2.AggregatedStatusItem{},
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timeout: timeout,
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now: timeNow,
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},
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wantTask: []workv1alpha2.GracefulEvictionTask{
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{
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FromCluster: "member1",
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CreationTimestamp: &timeNow,
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},
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{
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FromCluster: "member2",
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CreationTimestamp: &metav1.Time{Time: timeNow.Add(time.Minute * -2)},
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},
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},
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wantCluster: []string{"member3"},
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},
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{
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name: "tasks that do not exceed the timeout and someone binding scheduled result is missing, should do nothing",
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args: args{
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bindingSpec: workv1alpha2.ResourceBindingSpec{
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Clusters: []workv1alpha2.TargetCluster{
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{Name: "memberA"},
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{Name: "memberB"},
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},
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GracefulEvictionTasks: []workv1alpha2.GracefulEvictionTask{
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{
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FromCluster: "member1",
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CreationTimestamp: &metav1.Time{Time: timeNow.Add(time.Minute * -1)},
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},
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{
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FromCluster: "member2",
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CreationTimestamp: &metav1.Time{Time: timeNow.Add(time.Minute * -2)},
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},
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},
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},
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observedStatus: []workv1alpha2.AggregatedStatusItem{
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{ClusterName: "memberA", Health: workv1alpha2.ResourceHealthy},
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},
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timeout: timeout,
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now: timeNow,
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},
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wantTask: []workv1alpha2.GracefulEvictionTask{
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{
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FromCluster: "member1",
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CreationTimestamp: &metav1.Time{Time: timeNow.Add(time.Minute * -1)},
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},
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{
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FromCluster: "member2",
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CreationTimestamp: &metav1.Time{Time: timeNow.Add(time.Minute * -2)},
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},
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},
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wantCluster: nil,
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},
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{
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name: "tasks that do not exceed the timeout and binding scheduled result is healthy, tasks need to be removed",
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args: args{
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bindingSpec: workv1alpha2.ResourceBindingSpec{
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Clusters: []workv1alpha2.TargetCluster{
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{Name: "memberA"},
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{Name: "memberB"},
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},
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GracefulEvictionTasks: []workv1alpha2.GracefulEvictionTask{
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{
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FromCluster: "member1",
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CreationTimestamp: &metav1.Time{Time: timeNow.Add(time.Minute * -1)},
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},
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{
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FromCluster: "member2",
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CreationTimestamp: &metav1.Time{Time: timeNow.Add(time.Minute * -2)},
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},
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},
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},
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observedStatus: []workv1alpha2.AggregatedStatusItem{
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{ClusterName: "memberA", Health: workv1alpha2.ResourceHealthy},
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{ClusterName: "memberB", Health: workv1alpha2.ResourceHealthy},
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},
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timeout: timeout,
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now: timeNow,
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},
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wantTask: nil,
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wantCluster: []string{"member1", "member2"},
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},
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{
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name: "tasks that do not exceed the timeout and someone binding scheduled result is unhealthy, should do nothing",
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args: args{
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bindingSpec: workv1alpha2.ResourceBindingSpec{
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Clusters: []workv1alpha2.TargetCluster{
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{Name: "memberA"},
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{Name: "memberB"},
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},
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GracefulEvictionTasks: []workv1alpha2.GracefulEvictionTask{
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{
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FromCluster: "member1",
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CreationTimestamp: &metav1.Time{Time: timeNow.Add(time.Minute * -1)},
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},
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{
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FromCluster: "member2",
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CreationTimestamp: &metav1.Time{Time: timeNow.Add(time.Minute * -2)},
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},
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},
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},
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observedStatus: []workv1alpha2.AggregatedStatusItem{
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{ClusterName: "memberA", Health: workv1alpha2.ResourceHealthy},
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{ClusterName: "memberB", Health: workv1alpha2.ResourceUnhealthy},
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},
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timeout: timeout,
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now: timeNow,
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},
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wantTask: []workv1alpha2.GracefulEvictionTask{
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{
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FromCluster: "member1",
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CreationTimestamp: &metav1.Time{Time: timeNow.Add(time.Minute * -1)},
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},
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{
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FromCluster: "member2",
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CreationTimestamp: &metav1.Time{Time: timeNow.Add(time.Minute * -2)},
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},
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},
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wantCluster: nil,
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},
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{
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name: "tasks that do not exceed the timeout and someone binding scheduled result is unknown, should do nothing",
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args: args{
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bindingSpec: workv1alpha2.ResourceBindingSpec{
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Clusters: []workv1alpha2.TargetCluster{
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{Name: "memberA"},
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{Name: "memberB"},
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},
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GracefulEvictionTasks: []workv1alpha2.GracefulEvictionTask{
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{
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FromCluster: "member1",
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CreationTimestamp: &metav1.Time{Time: timeNow.Add(time.Minute * -1)},
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},
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{
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FromCluster: "member2",
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CreationTimestamp: &metav1.Time{Time: timeNow.Add(time.Minute * -2)},
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},
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},
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},
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observedStatus: []workv1alpha2.AggregatedStatusItem{
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{ClusterName: "memberA", Health: workv1alpha2.ResourceHealthy},
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{ClusterName: "memberB", Health: workv1alpha2.ResourceUnknown},
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},
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timeout: timeout,
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now: timeNow,
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},
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wantTask: []workv1alpha2.GracefulEvictionTask{
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{
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FromCluster: "member1",
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CreationTimestamp: &metav1.Time{Time: timeNow.Add(time.Minute * -1)},
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},
|
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{
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FromCluster: "member2",
|
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CreationTimestamp: &metav1.Time{Time: timeNow.Add(time.Minute * -2)},
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},
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},
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wantCluster: nil,
|
|
},
|
|
}
|
|
for _, tt := range tests {
|
|
t.Run(tt.name, func(t *testing.T) {
|
|
if gotTask, gotCluster := assessEvictionTasks(tt.args.bindingSpec, tt.args.observedStatus, tt.args.timeout, tt.args.now); !reflect.DeepEqual(gotTask, tt.wantTask) || !reflect.DeepEqual(gotCluster, tt.wantCluster) {
|
|
t.Errorf("assessEvictionTasks() = (%v, %v), want (%v, %v)", gotTask, gotCluster, tt.wantTask, tt.wantCluster)
|
|
}
|
|
})
|
|
}
|
|
}
|
|
|
|
func Test_nextRetry(t *testing.T) {
|
|
timeNow := metav1.Now()
|
|
timeout := time.Minute * 20
|
|
type args struct {
|
|
task []workv1alpha2.GracefulEvictionTask
|
|
timeout time.Duration
|
|
timeNow time.Time
|
|
}
|
|
tests := []struct {
|
|
name string
|
|
args args
|
|
want time.Duration
|
|
}{
|
|
{
|
|
name: "empty tasks",
|
|
args: args{
|
|
task: []workv1alpha2.GracefulEvictionTask{},
|
|
timeout: timeout,
|
|
timeNow: timeNow.Time,
|
|
},
|
|
want: 0,
|
|
},
|
|
{
|
|
name: "retry interval is less than timeout / 10",
|
|
args: args{
|
|
task: []workv1alpha2.GracefulEvictionTask{
|
|
{
|
|
FromCluster: "member1",
|
|
CreationTimestamp: &metav1.Time{Time: timeNow.Add(time.Minute * -19)},
|
|
},
|
|
{
|
|
FromCluster: "member2",
|
|
CreationTimestamp: &metav1.Time{Time: timeNow.Add(time.Minute * -10)},
|
|
},
|
|
},
|
|
timeout: timeout,
|
|
timeNow: timeNow.Time,
|
|
},
|
|
want: time.Minute * 1,
|
|
},
|
|
{
|
|
name: "retry interval is equal to timeout / 10",
|
|
args: args{
|
|
task: []workv1alpha2.GracefulEvictionTask{
|
|
{
|
|
FromCluster: "member1",
|
|
CreationTimestamp: &metav1.Time{Time: timeNow.Add(time.Minute * -10)},
|
|
},
|
|
{
|
|
FromCluster: "member2",
|
|
CreationTimestamp: &metav1.Time{Time: timeNow.Add(time.Minute * -5)},
|
|
},
|
|
},
|
|
timeout: timeout,
|
|
timeNow: timeNow.Time,
|
|
},
|
|
want: time.Minute * 10,
|
|
},
|
|
{
|
|
name: "suppression and graciously tasks co-exist",
|
|
args: args{
|
|
task: []workv1alpha2.GracefulEvictionTask{
|
|
{
|
|
FromCluster: "member1",
|
|
CreationTimestamp: &metav1.Time{Time: timeNow.Add(time.Minute * -60)},
|
|
SuppressDeletion: ptr.To[bool](true),
|
|
},
|
|
{
|
|
FromCluster: "member2",
|
|
CreationTimestamp: &metav1.Time{Time: timeNow.Add(time.Minute * -5)},
|
|
},
|
|
},
|
|
timeout: timeout,
|
|
timeNow: timeNow.Time,
|
|
},
|
|
want: time.Minute * 15,
|
|
},
|
|
{
|
|
name: "only suppression tasks",
|
|
args: args{
|
|
task: []workv1alpha2.GracefulEvictionTask{
|
|
{
|
|
FromCluster: "member1",
|
|
CreationTimestamp: &metav1.Time{Time: timeNow.Add(time.Minute * -60)},
|
|
SuppressDeletion: ptr.To[bool](true),
|
|
},
|
|
{
|
|
FromCluster: "member2",
|
|
CreationTimestamp: &metav1.Time{Time: timeNow.Add(time.Minute * -5)},
|
|
SuppressDeletion: ptr.To[bool](true),
|
|
},
|
|
},
|
|
timeout: timeout,
|
|
timeNow: timeNow.Time,
|
|
},
|
|
want: 0,
|
|
},
|
|
{
|
|
name: "task with custom grace period - not expired",
|
|
args: args{
|
|
task: []workv1alpha2.GracefulEvictionTask{
|
|
{
|
|
FromCluster: "member1",
|
|
CreationTimestamp: &metav1.Time{Time: timeNow.Add(time.Minute * -5)},
|
|
GracePeriodSeconds: ptr.To[int32](600),
|
|
},
|
|
},
|
|
timeout: timeout,
|
|
timeNow: timeNow.Time,
|
|
},
|
|
want: time.Minute * 5, // 10 minutes (grace period) - 5 minutes (elapsed time)
|
|
},
|
|
}
|
|
for _, tt := range tests {
|
|
t.Run(tt.name, func(t *testing.T) {
|
|
if got := nextRetry(tt.args.task, tt.args.timeout, tt.args.timeNow); got != tt.want {
|
|
t.Errorf("nextRetry() = %v, want %v", got, tt.want)
|
|
}
|
|
})
|
|
}
|
|
}
|