mirror of
https://github.com/kubernetes-sigs/descheduler.git
synced 2026-01-26 05:14:13 +01:00
692 lines
23 KiB
Go
692 lines
23 KiB
Go
/*
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Copyright 2022 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 podlifetime
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import (
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"context"
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"testing"
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"time"
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v1 "k8s.io/api/core/v1"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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"k8s.io/apimachinery/pkg/runtime"
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"k8s.io/client-go/kubernetes/fake"
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utilptr "k8s.io/utils/ptr"
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"sigs.k8s.io/descheduler/pkg/descheduler/evictions"
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"sigs.k8s.io/descheduler/pkg/framework/plugins/defaultevictor"
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frameworktesting "sigs.k8s.io/descheduler/pkg/framework/testing"
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frameworktypes "sigs.k8s.io/descheduler/pkg/framework/types"
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"sigs.k8s.io/descheduler/test"
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)
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func TestPodLifeTime(t *testing.T) {
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const nodeName1 = "n1"
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buildTestNode1 := func() *v1.Node {
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return test.BuildTestNode(nodeName1, 2000, 3000, 10, nil)
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}
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olderPodCreationTime := metav1.NewTime(time.Date(2009, time.November, 10, 23, 0, 0, 0, time.UTC))
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newerPodCreationTime := metav1.NewTime(time.Now())
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buildTestPodForNode1 := func(name string, creationTime metav1.Time, apply func(*v1.Pod)) *v1.Pod {
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return test.BuildTestPod(name, 100, 0, nodeName1, func(pod *v1.Pod) {
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pod.ObjectMeta.CreationTimestamp = creationTime
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if apply != nil {
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apply(pod)
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}
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})
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}
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buildTestPodWithRSOwnerRefForNode1 := func(name string, creationTime metav1.Time, apply func(*v1.Pod)) *v1.Pod {
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return buildTestPodForNode1(name, creationTime, func(pod *v1.Pod) {
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test.SetRSOwnerRef(pod)
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if apply != nil {
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apply(pod)
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}
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})
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}
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buildTestPodWithRSOwnerRefWithPendingPhaseForNode1 := func(name string, creationTime metav1.Time, apply func(*v1.Pod)) *v1.Pod {
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return buildTestPodWithRSOwnerRefForNode1(name, creationTime, func(pod *v1.Pod) {
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pod.Status.Phase = "Pending"
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if apply != nil {
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apply(pod)
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}
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})
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}
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var maxLifeTime uint = 600
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testCases := []struct {
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description string
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args *PodLifeTimeArgs
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pods []*v1.Pod
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nodes []*v1.Node
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expectedEvictedPodCount uint
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ignorePvcPods bool
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maxPodsToEvictPerNode *uint
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maxPodsToEvictPerNamespace *uint
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maxPodsToEvictTotal *uint
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}{
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{
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description: "Two pods in the default namespace, 1 is new and 1 very is old. 1 should be evicted.",
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args: &PodLifeTimeArgs{
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MaxPodLifeTimeSeconds: &maxLifeTime,
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},
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pods: []*v1.Pod{
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buildTestPodWithRSOwnerRefForNode1("p1", newerPodCreationTime, nil),
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buildTestPodWithRSOwnerRefForNode1("p2", olderPodCreationTime, nil),
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},
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nodes: []*v1.Node{buildTestNode1()},
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expectedEvictedPodCount: 1,
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},
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{
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description: "Two pods in the default namespace, 2 are new and 0 are old. 0 should be evicted.",
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args: &PodLifeTimeArgs{
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MaxPodLifeTimeSeconds: &maxLifeTime,
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},
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pods: []*v1.Pod{
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buildTestPodWithRSOwnerRefForNode1("p3", newerPodCreationTime, nil),
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buildTestPodWithRSOwnerRefForNode1("p4", newerPodCreationTime, nil),
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},
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nodes: []*v1.Node{buildTestNode1()},
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expectedEvictedPodCount: 0,
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},
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{
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description: "Two pods in the default namespace, 1 created 605 seconds ago. 1 should be evicted.",
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args: &PodLifeTimeArgs{
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MaxPodLifeTimeSeconds: &maxLifeTime,
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},
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pods: []*v1.Pod{
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buildTestPodWithRSOwnerRefForNode1("p5", newerPodCreationTime, nil),
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buildTestPodWithRSOwnerRefForNode1("p6", metav1.NewTime(time.Now().Add(-time.Second*605)), nil),
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},
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nodes: []*v1.Node{buildTestNode1()},
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expectedEvictedPodCount: 1,
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},
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{
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description: "Two pods in the default namespace, 1 created 595 seconds ago. 0 should be evicted.",
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args: &PodLifeTimeArgs{
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MaxPodLifeTimeSeconds: &maxLifeTime,
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},
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pods: []*v1.Pod{
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buildTestPodForNode1("p7", newerPodCreationTime, nil),
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buildTestPodForNode1("p8", metav1.NewTime(time.Now().Add(-time.Second*595)), nil),
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},
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nodes: []*v1.Node{buildTestNode1()},
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expectedEvictedPodCount: 0,
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},
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{
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description: "Two pods, one with ContainerCreating state. 1 should be evicted.",
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args: &PodLifeTimeArgs{
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MaxPodLifeTimeSeconds: &maxLifeTime,
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States: []string{"ContainerCreating"},
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},
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pods: []*v1.Pod{
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buildTestPodWithRSOwnerRefWithPendingPhaseForNode1("p9", olderPodCreationTime, nil),
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test.BuildTestPod("container-creating-stuck", 0, 0, nodeName1, func(pod *v1.Pod) {
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pod.Status.ContainerStatuses = []v1.ContainerStatus{
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{
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State: v1.ContainerState{
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Waiting: &v1.ContainerStateWaiting{Reason: "ContainerCreating"},
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},
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},
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}
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test.SetRSOwnerRef(pod)
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pod.ObjectMeta.CreationTimestamp = olderPodCreationTime
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}),
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},
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nodes: []*v1.Node{buildTestNode1()},
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expectedEvictedPodCount: 1,
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},
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{
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description: "Two pods, one with PodInitializing state. 1 should be evicted.",
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args: &PodLifeTimeArgs{
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MaxPodLifeTimeSeconds: &maxLifeTime,
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States: []string{"PodInitializing"},
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},
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pods: []*v1.Pod{
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buildTestPodWithRSOwnerRefWithPendingPhaseForNode1("p9", olderPodCreationTime, nil),
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test.BuildTestPod("pod-initializing-stuck", 0, 0, nodeName1, func(pod *v1.Pod) {
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pod.Status.ContainerStatuses = []v1.ContainerStatus{
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{
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State: v1.ContainerState{
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Waiting: &v1.ContainerStateWaiting{Reason: "PodInitializing"},
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},
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},
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}
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test.SetRSOwnerRef(pod)
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pod.ObjectMeta.CreationTimestamp = olderPodCreationTime
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}),
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},
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nodes: []*v1.Node{buildTestNode1()},
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expectedEvictedPodCount: 1,
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},
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{
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description: "Two old pods with different states. 1 should be evicted.",
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args: &PodLifeTimeArgs{
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MaxPodLifeTimeSeconds: &maxLifeTime,
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States: []string{"Pending"},
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},
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pods: []*v1.Pod{
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buildTestPodWithRSOwnerRefWithPendingPhaseForNode1("p9", olderPodCreationTime, nil),
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buildTestPodWithRSOwnerRefForNode1("p10", olderPodCreationTime, func(pod *v1.Pod) {
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pod.Status.Phase = "Running"
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}),
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},
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nodes: []*v1.Node{buildTestNode1()},
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expectedEvictedPodCount: 1,
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},
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{
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description: "does not evict pvc pods with ignorePvcPods set to true",
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args: &PodLifeTimeArgs{
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MaxPodLifeTimeSeconds: &maxLifeTime,
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},
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pods: []*v1.Pod{
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buildTestPodWithRSOwnerRefForNode1("p11", olderPodCreationTime, func(pod *v1.Pod) {
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pod.Spec.Volumes = []v1.Volume{
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{
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Name: "pvc", VolumeSource: v1.VolumeSource{
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PersistentVolumeClaim: &v1.PersistentVolumeClaimVolumeSource{ClaimName: "foo"},
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},
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},
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}
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}),
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},
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nodes: []*v1.Node{buildTestNode1()},
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expectedEvictedPodCount: 0,
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ignorePvcPods: true,
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},
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{
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description: "evicts pvc pods with ignorePvcPods set to false (or unset)",
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args: &PodLifeTimeArgs{
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MaxPodLifeTimeSeconds: &maxLifeTime,
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},
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pods: []*v1.Pod{
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buildTestPodWithRSOwnerRefForNode1("p11", olderPodCreationTime, func(pod *v1.Pod) {
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pod.Spec.Volumes = []v1.Volume{
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{
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Name: "pvc", VolumeSource: v1.VolumeSource{
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PersistentVolumeClaim: &v1.PersistentVolumeClaimVolumeSource{ClaimName: "foo"},
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},
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},
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}
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}),
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},
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nodes: []*v1.Node{buildTestNode1()},
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expectedEvictedPodCount: 1,
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},
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{
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description: "No pod to evicted since all pod terminating",
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args: &PodLifeTimeArgs{
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MaxPodLifeTimeSeconds: &maxLifeTime,
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LabelSelector: &metav1.LabelSelector{
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MatchLabels: map[string]string{"foo": "bar"},
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},
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},
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pods: []*v1.Pod{
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buildTestPodWithRSOwnerRefForNode1("p12", olderPodCreationTime, func(pod *v1.Pod) {
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pod.ObjectMeta.Labels = map[string]string{"foo": "bar"}
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}),
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buildTestPodWithRSOwnerRefForNode1("p13", olderPodCreationTime, func(pod *v1.Pod) {
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pod.ObjectMeta.Labels = map[string]string{"foo": "bar1"}
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}),
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},
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nodes: []*v1.Node{buildTestNode1()},
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expectedEvictedPodCount: 1,
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},
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{
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description: "No pod should be evicted since pod terminating",
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args: &PodLifeTimeArgs{
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MaxPodLifeTimeSeconds: &maxLifeTime,
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LabelSelector: &metav1.LabelSelector{
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MatchLabels: map[string]string{"foo": "bar"},
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},
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},
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pods: []*v1.Pod{
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buildTestPodWithRSOwnerRefForNode1("p14", olderPodCreationTime, func(pod *v1.Pod) {
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pod.DeletionTimestamp = &metav1.Time{}
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}),
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buildTestPodWithRSOwnerRefForNode1("p15", olderPodCreationTime, func(pod *v1.Pod) {
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pod.DeletionTimestamp = &metav1.Time{}
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}),
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},
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nodes: []*v1.Node{buildTestNode1()},
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expectedEvictedPodCount: 0,
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},
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{
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description: "2 Oldest pods should be evicted when maxPodsToEvictPerNode and maxPodsToEvictPerNamespace are not set",
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args: &PodLifeTimeArgs{
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MaxPodLifeTimeSeconds: &maxLifeTime,
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},
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pods: []*v1.Pod{
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buildTestPodWithRSOwnerRefForNode1("p1", newerPodCreationTime, nil),
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buildTestPodWithRSOwnerRefForNode1("p2", olderPodCreationTime, nil),
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buildTestPodWithRSOwnerRefWithPendingPhaseForNode1("p9", olderPodCreationTime, nil),
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},
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nodes: []*v1.Node{buildTestNode1()},
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expectedEvictedPodCount: 2,
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maxPodsToEvictPerNode: nil,
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maxPodsToEvictPerNamespace: nil,
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},
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{
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description: "1 Oldest pod should be evicted when maxPodsToEvictPerNamespace is set to 1",
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args: &PodLifeTimeArgs{
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MaxPodLifeTimeSeconds: &maxLifeTime,
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},
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pods: []*v1.Pod{
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buildTestPodWithRSOwnerRefForNode1("p1", newerPodCreationTime, nil),
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buildTestPodWithRSOwnerRefForNode1("p2", olderPodCreationTime, nil),
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buildTestPodWithRSOwnerRefWithPendingPhaseForNode1("p9", olderPodCreationTime, nil),
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},
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nodes: []*v1.Node{buildTestNode1()},
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maxPodsToEvictPerNamespace: utilptr.To[uint](1),
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expectedEvictedPodCount: 1,
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},
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{
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description: "1 Oldest pod should be evicted when maxPodsToEvictTotal is set to 1",
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args: &PodLifeTimeArgs{
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MaxPodLifeTimeSeconds: &maxLifeTime,
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},
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pods: []*v1.Pod{
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buildTestPodWithRSOwnerRefForNode1("p1", newerPodCreationTime, nil),
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buildTestPodWithRSOwnerRefForNode1("p2", olderPodCreationTime, nil),
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buildTestPodWithRSOwnerRefWithPendingPhaseForNode1("p9", olderPodCreationTime, nil),
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},
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nodes: []*v1.Node{buildTestNode1()},
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maxPodsToEvictPerNamespace: utilptr.To[uint](2),
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maxPodsToEvictTotal: utilptr.To[uint](1),
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expectedEvictedPodCount: 1,
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},
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{
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description: "1 Oldest pod should be evicted when maxPodsToEvictPerNode is set to 1",
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args: &PodLifeTimeArgs{
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MaxPodLifeTimeSeconds: &maxLifeTime,
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},
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pods: []*v1.Pod{
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buildTestPodWithRSOwnerRefForNode1("p1", newerPodCreationTime, nil),
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buildTestPodWithRSOwnerRefForNode1("p2", olderPodCreationTime, nil),
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buildTestPodWithRSOwnerRefWithPendingPhaseForNode1("p9", olderPodCreationTime, nil),
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},
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nodes: []*v1.Node{buildTestNode1()},
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maxPodsToEvictPerNode: utilptr.To[uint](1),
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expectedEvictedPodCount: 1,
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},
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{
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description: "1 pod with container status ImagePullBackOff should be evicted",
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args: &PodLifeTimeArgs{
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MaxPodLifeTimeSeconds: &maxLifeTime,
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States: []string{"ImagePullBackOff"},
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},
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pods: []*v1.Pod{
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buildTestPodWithRSOwnerRefWithPendingPhaseForNode1("p9", olderPodCreationTime, func(pod *v1.Pod) {
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pod.Status.ContainerStatuses = []v1.ContainerStatus{
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{
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State: v1.ContainerState{
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Waiting: &v1.ContainerStateWaiting{Reason: "ImagePullBackOff"},
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},
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},
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}
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}),
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},
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nodes: []*v1.Node{buildTestNode1()},
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expectedEvictedPodCount: 1,
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},
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{
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description: "1 pod with container status CrashLoopBackOff should be evicted",
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args: &PodLifeTimeArgs{
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MaxPodLifeTimeSeconds: &maxLifeTime,
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States: []string{"CrashLoopBackOff"},
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},
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pods: []*v1.Pod{
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buildTestPodWithRSOwnerRefWithPendingPhaseForNode1("p9", olderPodCreationTime, func(pod *v1.Pod) {
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pod.Status.ContainerStatuses = []v1.ContainerStatus{
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{
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State: v1.ContainerState{
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Waiting: &v1.ContainerStateWaiting{Reason: "CrashLoopBackOff"},
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},
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},
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}
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}),
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},
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nodes: []*v1.Node{buildTestNode1()},
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expectedEvictedPodCount: 1,
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},
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{
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description: "1 pod with container status CreateContainerConfigError should be evicted",
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args: &PodLifeTimeArgs{
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MaxPodLifeTimeSeconds: &maxLifeTime,
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States: []string{"CreateContainerConfigError"},
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},
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pods: []*v1.Pod{
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buildTestPodWithRSOwnerRefWithPendingPhaseForNode1("p9", olderPodCreationTime, func(pod *v1.Pod) {
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pod.Status.ContainerStatuses = []v1.ContainerStatus{
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{
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State: v1.ContainerState{
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Waiting: &v1.ContainerStateWaiting{Reason: "CreateContainerConfigError"},
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},
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},
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}
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}),
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},
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nodes: []*v1.Node{buildTestNode1()},
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expectedEvictedPodCount: 1,
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},
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{
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description: "1 pod with container status ErrImagePull should be evicted",
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args: &PodLifeTimeArgs{
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MaxPodLifeTimeSeconds: &maxLifeTime,
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States: []string{"ErrImagePull"},
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},
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pods: []*v1.Pod{
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buildTestPodWithRSOwnerRefWithPendingPhaseForNode1("p9", olderPodCreationTime, func(pod *v1.Pod) {
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pod.Status.ContainerStatuses = []v1.ContainerStatus{
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{
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State: v1.ContainerState{
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Waiting: &v1.ContainerStateWaiting{Reason: "ErrImagePull"},
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},
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},
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}
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}),
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},
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nodes: []*v1.Node{buildTestNode1()},
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expectedEvictedPodCount: 1,
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},
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{
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description: "1 pod with init container status CreateContainerError should not be evicted without includingInitContainers",
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args: &PodLifeTimeArgs{
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MaxPodLifeTimeSeconds: &maxLifeTime,
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States: []string{"CreateContainerError"},
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},
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pods: []*v1.Pod{
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buildTestPodWithRSOwnerRefWithPendingPhaseForNode1("p9", olderPodCreationTime, func(pod *v1.Pod) {
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pod.Status.InitContainerStatuses = []v1.ContainerStatus{
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{
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State: v1.ContainerState{
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Waiting: &v1.ContainerStateWaiting{Reason: "CreateContainerError"},
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},
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},
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}
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}),
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},
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nodes: []*v1.Node{buildTestNode1()},
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expectedEvictedPodCount: 0,
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},
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{
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description: "1 pod with init container status CreateContainerError should be evicted with includingInitContainers",
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args: &PodLifeTimeArgs{
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MaxPodLifeTimeSeconds: &maxLifeTime,
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States: []string{"CreateContainerError"},
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IncludingInitContainers: true,
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},
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pods: []*v1.Pod{
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buildTestPodWithRSOwnerRefWithPendingPhaseForNode1("p9", olderPodCreationTime, func(pod *v1.Pod) {
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pod.Status.InitContainerStatuses = []v1.ContainerStatus{
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{
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State: v1.ContainerState{
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Waiting: &v1.ContainerStateWaiting{Reason: "CreateContainerError"},
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},
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},
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}
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}),
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},
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nodes: []*v1.Node{buildTestNode1()},
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expectedEvictedPodCount: 1,
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},
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{
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description: "1 pod with ephemeral container status CreateContainerError should not be evicted without includingEphemeralContainers",
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args: &PodLifeTimeArgs{
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MaxPodLifeTimeSeconds: &maxLifeTime,
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States: []string{"CreateContainerError"},
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},
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pods: []*v1.Pod{
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buildTestPodWithRSOwnerRefWithPendingPhaseForNode1("p9", olderPodCreationTime, func(pod *v1.Pod) {
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pod.Status.InitContainerStatuses = []v1.ContainerStatus{
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{
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State: v1.ContainerState{
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Waiting: &v1.ContainerStateWaiting{Reason: "CreateContainerError"},
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},
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},
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}
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}),
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},
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nodes: []*v1.Node{buildTestNode1()},
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expectedEvictedPodCount: 0,
|
|
},
|
|
{
|
|
description: "1 pod with ephemeral container status CreateContainerError should be evicted with includingEphemeralContainers",
|
|
args: &PodLifeTimeArgs{
|
|
MaxPodLifeTimeSeconds: &maxLifeTime,
|
|
States: []string{"CreateContainerError"},
|
|
IncludingEphemeralContainers: true,
|
|
},
|
|
pods: []*v1.Pod{
|
|
buildTestPodWithRSOwnerRefWithPendingPhaseForNode1("p9", olderPodCreationTime, func(pod *v1.Pod) {
|
|
pod.Status.EphemeralContainerStatuses = []v1.ContainerStatus{
|
|
{
|
|
State: v1.ContainerState{
|
|
Waiting: &v1.ContainerStateWaiting{Reason: "CreateContainerError"},
|
|
},
|
|
},
|
|
}
|
|
}),
|
|
},
|
|
nodes: []*v1.Node{buildTestNode1()},
|
|
expectedEvictedPodCount: 1,
|
|
},
|
|
{
|
|
description: "1 pod with container status CreateContainerError should be evicted",
|
|
args: &PodLifeTimeArgs{
|
|
MaxPodLifeTimeSeconds: &maxLifeTime,
|
|
States: []string{"CreateContainerError"},
|
|
},
|
|
pods: []*v1.Pod{
|
|
buildTestPodWithRSOwnerRefWithPendingPhaseForNode1("p9", olderPodCreationTime, func(pod *v1.Pod) {
|
|
pod.Status.ContainerStatuses = []v1.ContainerStatus{
|
|
{
|
|
State: v1.ContainerState{
|
|
Waiting: &v1.ContainerStateWaiting{Reason: "CreateContainerError"},
|
|
},
|
|
},
|
|
}
|
|
}),
|
|
},
|
|
nodes: []*v1.Node{buildTestNode1()},
|
|
expectedEvictedPodCount: 1,
|
|
},
|
|
{
|
|
description: "1 pod with container status InvalidImageName should be evicted",
|
|
args: &PodLifeTimeArgs{
|
|
MaxPodLifeTimeSeconds: &maxLifeTime,
|
|
States: []string{"InvalidImageName"},
|
|
},
|
|
pods: []*v1.Pod{
|
|
buildTestPodWithRSOwnerRefWithPendingPhaseForNode1("p9", olderPodCreationTime, func(pod *v1.Pod) {
|
|
pod.Status.ContainerStatuses = []v1.ContainerStatus{
|
|
{
|
|
State: v1.ContainerState{
|
|
Waiting: &v1.ContainerStateWaiting{Reason: "InvalidImageName"},
|
|
},
|
|
},
|
|
}
|
|
}),
|
|
},
|
|
nodes: []*v1.Node{buildTestNode1()},
|
|
expectedEvictedPodCount: 1,
|
|
},
|
|
{
|
|
description: "1 pod with pod status reason NodeLost should be evicted",
|
|
args: &PodLifeTimeArgs{
|
|
MaxPodLifeTimeSeconds: &maxLifeTime,
|
|
States: []string{"NodeLost"},
|
|
},
|
|
pods: []*v1.Pod{
|
|
buildTestPodWithRSOwnerRefWithPendingPhaseForNode1("p9", olderPodCreationTime, func(pod *v1.Pod) {
|
|
pod.Status.Reason = "NodeLost"
|
|
}),
|
|
},
|
|
nodes: []*v1.Node{buildTestNode1()},
|
|
expectedEvictedPodCount: 1,
|
|
},
|
|
{
|
|
description: "1 pod with pod status reason NodeAffinity should be evicted",
|
|
args: &PodLifeTimeArgs{
|
|
MaxPodLifeTimeSeconds: &maxLifeTime,
|
|
States: []string{"NodeAffinity"},
|
|
},
|
|
pods: []*v1.Pod{
|
|
buildTestPodWithRSOwnerRefWithPendingPhaseForNode1("p9", olderPodCreationTime, func(pod *v1.Pod) {
|
|
pod.Status.Reason = "NodeAffinity"
|
|
}),
|
|
},
|
|
nodes: []*v1.Node{buildTestNode1()},
|
|
expectedEvictedPodCount: 1,
|
|
},
|
|
{
|
|
description: "1 pod with pod status reason Shutdown should be evicted",
|
|
args: &PodLifeTimeArgs{
|
|
MaxPodLifeTimeSeconds: &maxLifeTime,
|
|
States: []string{"Shutdown"},
|
|
},
|
|
pods: []*v1.Pod{
|
|
buildTestPodWithRSOwnerRefWithPendingPhaseForNode1("p9", olderPodCreationTime, func(pod *v1.Pod) {
|
|
pod.Status.Reason = "Shutdown"
|
|
}),
|
|
},
|
|
nodes: []*v1.Node{buildTestNode1()},
|
|
expectedEvictedPodCount: 1,
|
|
},
|
|
{
|
|
description: "1 pod with pod status reason UnexpectedAdmissionError should be evicted",
|
|
args: &PodLifeTimeArgs{
|
|
MaxPodLifeTimeSeconds: &maxLifeTime,
|
|
States: []string{"UnexpectedAdmissionError"},
|
|
},
|
|
pods: []*v1.Pod{
|
|
buildTestPodWithRSOwnerRefWithPendingPhaseForNode1("p9", olderPodCreationTime, func(pod *v1.Pod) {
|
|
pod.Status.Reason = "UnexpectedAdmissionError"
|
|
}),
|
|
},
|
|
nodes: []*v1.Node{buildTestNode1()},
|
|
expectedEvictedPodCount: 1,
|
|
},
|
|
{
|
|
description: "1 pod with pod status phase v1.PodSucceeded should be evicted",
|
|
args: &PodLifeTimeArgs{
|
|
MaxPodLifeTimeSeconds: &maxLifeTime,
|
|
States: []string{string(v1.PodSucceeded)},
|
|
},
|
|
pods: []*v1.Pod{
|
|
buildTestPodWithRSOwnerRefForNode1("p16", olderPodCreationTime, func(pod *v1.Pod) {
|
|
pod.Status.Phase = v1.PodSucceeded
|
|
}),
|
|
},
|
|
nodes: []*v1.Node{buildTestNode1()},
|
|
expectedEvictedPodCount: 1,
|
|
},
|
|
{
|
|
description: "1 pod with pod status phase v1.PodUnknown should be evicted",
|
|
args: &PodLifeTimeArgs{
|
|
MaxPodLifeTimeSeconds: &maxLifeTime,
|
|
States: []string{string(v1.PodFailed)},
|
|
},
|
|
pods: []*v1.Pod{
|
|
buildTestPodWithRSOwnerRefForNode1("p16", olderPodCreationTime, func(pod *v1.Pod) {
|
|
pod.Status.Phase = v1.PodFailed
|
|
}),
|
|
},
|
|
nodes: []*v1.Node{buildTestNode1()},
|
|
expectedEvictedPodCount: 1,
|
|
},
|
|
{
|
|
description: "1 pod with pod status phase v1.PodUnknown should be evicted",
|
|
args: &PodLifeTimeArgs{
|
|
MaxPodLifeTimeSeconds: &maxLifeTime,
|
|
States: []string{string(v1.PodUnknown)},
|
|
},
|
|
pods: []*v1.Pod{
|
|
buildTestPodWithRSOwnerRefForNode1("p16", olderPodCreationTime, func(pod *v1.Pod) {
|
|
pod.Status.Phase = v1.PodUnknown
|
|
}),
|
|
},
|
|
nodes: []*v1.Node{buildTestNode1()},
|
|
expectedEvictedPodCount: 1,
|
|
},
|
|
{
|
|
description: "1 pod without ImagePullBackOff States should be ignored",
|
|
args: &PodLifeTimeArgs{
|
|
MaxPodLifeTimeSeconds: &maxLifeTime,
|
|
States: []string{"ContainerCreating"},
|
|
},
|
|
pods: []*v1.Pod{
|
|
buildTestPodWithRSOwnerRefWithPendingPhaseForNode1("p9", olderPodCreationTime, func(pod *v1.Pod) {
|
|
pod.Status.ContainerStatuses = []v1.ContainerStatus{
|
|
{
|
|
State: v1.ContainerState{
|
|
Waiting: &v1.ContainerStateWaiting{Reason: "ImagePullBackOff"},
|
|
},
|
|
},
|
|
}
|
|
}),
|
|
},
|
|
nodes: []*v1.Node{buildTestNode1()},
|
|
expectedEvictedPodCount: 0,
|
|
},
|
|
}
|
|
|
|
for _, tc := range testCases {
|
|
t.Run(tc.description, func(t *testing.T) {
|
|
ctx, cancel := context.WithCancel(context.Background())
|
|
defer cancel()
|
|
|
|
var objs []runtime.Object
|
|
for _, node := range tc.nodes {
|
|
objs = append(objs, node)
|
|
}
|
|
for _, pod := range tc.pods {
|
|
objs = append(objs, pod)
|
|
}
|
|
fakeClient := fake.NewSimpleClientset(objs...)
|
|
|
|
handle, podEvictor, err := frameworktesting.InitFrameworkHandle(
|
|
ctx,
|
|
fakeClient,
|
|
evictions.NewOptions().
|
|
WithMaxPodsToEvictPerNode(tc.maxPodsToEvictPerNode).
|
|
WithMaxPodsToEvictPerNamespace(tc.maxPodsToEvictPerNamespace).
|
|
WithMaxPodsToEvictTotal(tc.maxPodsToEvictTotal),
|
|
defaultevictor.DefaultEvictorArgs{IgnorePvcPods: tc.ignorePvcPods},
|
|
nil,
|
|
)
|
|
if err != nil {
|
|
t.Fatalf("Unable to initialize a framework handle: %v", err)
|
|
}
|
|
|
|
plugin, err := New(ctx, tc.args, handle)
|
|
if err != nil {
|
|
t.Fatalf("Unable to initialize the plugin: %v", err)
|
|
}
|
|
|
|
plugin.(frameworktypes.DeschedulePlugin).Deschedule(ctx, tc.nodes)
|
|
podsEvicted := podEvictor.TotalEvicted()
|
|
if podsEvicted != tc.expectedEvictedPodCount {
|
|
t.Errorf("Test error for description: %s. Expected evicted pods count %v, got %v", tc.description, tc.expectedEvictedPodCount, podsEvicted)
|
|
}
|
|
})
|
|
}
|
|
}
|