mirror of
https://github.com/optim-enterprises-bv/kubernetes.git
synced 2025-11-04 12:18:16 +00:00
c00975370a
Signed-off-by: Ashutosh Kumar <sonasingh46@gmail.com> Co-authored-by: Ashutosh Kumar <sonasingh46@gmail.com> Co-authored-by: xing-yang <xingyang105@gmail.com>
605 lines
20 KiB
Go
605 lines
20 KiB
Go
/*
|
|
Copyright 2015 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 podgc
|
|
|
|
import (
|
|
"context"
|
|
"sync"
|
|
"testing"
|
|
"time"
|
|
|
|
v1 "k8s.io/api/core/v1"
|
|
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
|
|
"k8s.io/apimachinery/pkg/labels"
|
|
"k8s.io/apimachinery/pkg/util/sets"
|
|
"k8s.io/apimachinery/pkg/util/wait"
|
|
utilfeature "k8s.io/apiserver/pkg/util/feature"
|
|
"k8s.io/client-go/informers"
|
|
coreinformers "k8s.io/client-go/informers/core/v1"
|
|
clientset "k8s.io/client-go/kubernetes"
|
|
"k8s.io/client-go/kubernetes/fake"
|
|
"k8s.io/client-go/util/workqueue"
|
|
featuregatetesting "k8s.io/component-base/featuregate/testing"
|
|
"k8s.io/kubernetes/pkg/controller"
|
|
"k8s.io/kubernetes/pkg/controller/testutil"
|
|
"k8s.io/kubernetes/pkg/features"
|
|
testingclock "k8s.io/utils/clock/testing"
|
|
)
|
|
|
|
func alwaysReady() bool { return true }
|
|
|
|
func NewFromClient(kubeClient clientset.Interface, terminatedPodThreshold int) (*PodGCController, coreinformers.PodInformer, coreinformers.NodeInformer) {
|
|
informerFactory := informers.NewSharedInformerFactory(kubeClient, controller.NoResyncPeriodFunc())
|
|
podInformer := informerFactory.Core().V1().Pods()
|
|
nodeInformer := informerFactory.Core().V1().Nodes()
|
|
controller := NewPodGC(context.TODO(), kubeClient, podInformer, nodeInformer, terminatedPodThreshold)
|
|
controller.podListerSynced = alwaysReady
|
|
return controller, podInformer, nodeInformer
|
|
}
|
|
|
|
func compareStringSetToList(set sets.String, list []string) bool {
|
|
for _, item := range list {
|
|
if !set.Has(item) {
|
|
return false
|
|
}
|
|
}
|
|
if len(list) != len(set) {
|
|
return false
|
|
}
|
|
return true
|
|
}
|
|
|
|
func TestGCTerminated(t *testing.T) {
|
|
type nameToPhase struct {
|
|
name string
|
|
phase v1.PodPhase
|
|
}
|
|
|
|
testCases := []struct {
|
|
name string
|
|
pods []nameToPhase
|
|
threshold int
|
|
deletedPodNames sets.String
|
|
}{
|
|
{
|
|
name: "threshold = 0, disables terminated pod deletion",
|
|
pods: []nameToPhase{
|
|
{name: "a", phase: v1.PodFailed},
|
|
{name: "b", phase: v1.PodSucceeded},
|
|
},
|
|
threshold: 0,
|
|
// threshold = 0 disables terminated pod deletion
|
|
deletedPodNames: sets.NewString(),
|
|
},
|
|
{
|
|
name: "threshold = 1, delete pod a which is PodFailed and pod b which is PodSucceeded",
|
|
pods: []nameToPhase{
|
|
{name: "a", phase: v1.PodFailed},
|
|
{name: "b", phase: v1.PodSucceeded},
|
|
{name: "c", phase: v1.PodFailed},
|
|
},
|
|
threshold: 1,
|
|
deletedPodNames: sets.NewString("a", "b"),
|
|
},
|
|
{
|
|
name: "threshold = 1, delete pod b which is PodSucceeded",
|
|
pods: []nameToPhase{
|
|
{name: "a", phase: v1.PodRunning},
|
|
{name: "b", phase: v1.PodSucceeded},
|
|
{name: "c", phase: v1.PodFailed},
|
|
},
|
|
threshold: 1,
|
|
deletedPodNames: sets.NewString("b"),
|
|
},
|
|
{
|
|
name: "threshold = 1, delete pod a which is PodFailed",
|
|
pods: []nameToPhase{
|
|
{name: "a", phase: v1.PodFailed},
|
|
{name: "b", phase: v1.PodSucceeded},
|
|
},
|
|
threshold: 1,
|
|
deletedPodNames: sets.NewString("a"),
|
|
},
|
|
{
|
|
name: "threshold = 5, don't delete pod",
|
|
pods: []nameToPhase{
|
|
{name: "a", phase: v1.PodFailed},
|
|
{name: "b", phase: v1.PodSucceeded},
|
|
},
|
|
threshold: 5,
|
|
deletedPodNames: sets.NewString(),
|
|
},
|
|
}
|
|
|
|
for i, test := range testCases {
|
|
t.Run(test.name, func(t *testing.T) {
|
|
client := fake.NewSimpleClientset(&v1.NodeList{Items: []v1.Node{*testutil.NewNode("node")}})
|
|
gcc, podInformer, _ := NewFromClient(client, test.threshold)
|
|
deletedPodNames := make([]string, 0)
|
|
var lock sync.Mutex
|
|
gcc.deletePod = func(_, name string) error {
|
|
lock.Lock()
|
|
defer lock.Unlock()
|
|
deletedPodNames = append(deletedPodNames, name)
|
|
return nil
|
|
}
|
|
|
|
creationTime := time.Unix(0, 0)
|
|
for _, pod := range test.pods {
|
|
creationTime = creationTime.Add(1 * time.Hour)
|
|
podInformer.Informer().GetStore().Add(&v1.Pod{
|
|
ObjectMeta: metav1.ObjectMeta{Name: pod.name, CreationTimestamp: metav1.Time{Time: creationTime}},
|
|
Status: v1.PodStatus{Phase: pod.phase},
|
|
Spec: v1.PodSpec{NodeName: "node"},
|
|
})
|
|
}
|
|
|
|
gcc.gc(context.TODO())
|
|
|
|
if pass := compareStringSetToList(test.deletedPodNames, deletedPodNames); !pass {
|
|
t.Errorf("[%v]pod's deleted expected and actual did not match.\n\texpected: %v\n\tactual: %v",
|
|
i, test.deletedPodNames.List(), deletedPodNames)
|
|
}
|
|
})
|
|
}
|
|
}
|
|
|
|
func makePod(name string, nodeName string, phase v1.PodPhase) *v1.Pod {
|
|
return &v1.Pod{
|
|
ObjectMeta: metav1.ObjectMeta{
|
|
Name: name,
|
|
},
|
|
Spec: v1.PodSpec{NodeName: nodeName},
|
|
Status: v1.PodStatus{Phase: phase},
|
|
}
|
|
}
|
|
|
|
func waitForAdded(q workqueue.DelayingInterface, depth int) error {
|
|
return wait.Poll(1*time.Millisecond, 10*time.Second, func() (done bool, err error) {
|
|
if q.Len() == depth {
|
|
return true, nil
|
|
}
|
|
|
|
return false, nil
|
|
})
|
|
}
|
|
|
|
func TestGCOrphaned(t *testing.T) {
|
|
testCases := []struct {
|
|
name string
|
|
initialClientNodes []*v1.Node
|
|
initialInformerNodes []*v1.Node
|
|
delay time.Duration
|
|
addedClientNodes []*v1.Node
|
|
deletedClientNodes []*v1.Node
|
|
addedInformerNodes []*v1.Node
|
|
deletedInformerNodes []*v1.Node
|
|
pods []*v1.Pod
|
|
itemsInQueue int
|
|
deletedPodNames sets.String
|
|
}{
|
|
{
|
|
name: "nodes present in lister",
|
|
initialInformerNodes: []*v1.Node{
|
|
testutil.NewNode("existing1"),
|
|
testutil.NewNode("existing2"),
|
|
},
|
|
delay: 2 * quarantineTime,
|
|
pods: []*v1.Pod{
|
|
makePod("a", "existing1", v1.PodRunning),
|
|
makePod("b", "existing2", v1.PodFailed),
|
|
makePod("c", "existing2", v1.PodSucceeded),
|
|
},
|
|
itemsInQueue: 0,
|
|
deletedPodNames: sets.NewString(),
|
|
},
|
|
{
|
|
name: "nodes present in client",
|
|
initialClientNodes: []*v1.Node{
|
|
testutil.NewNode("existing1"),
|
|
testutil.NewNode("existing2"),
|
|
},
|
|
delay: 2 * quarantineTime,
|
|
pods: []*v1.Pod{
|
|
makePod("a", "existing1", v1.PodRunning),
|
|
makePod("b", "existing2", v1.PodFailed),
|
|
makePod("c", "existing2", v1.PodSucceeded),
|
|
},
|
|
itemsInQueue: 2,
|
|
deletedPodNames: sets.NewString(),
|
|
},
|
|
{
|
|
name: "no nodes",
|
|
delay: 2 * quarantineTime,
|
|
pods: []*v1.Pod{
|
|
makePod("a", "deleted", v1.PodFailed),
|
|
makePod("b", "deleted", v1.PodSucceeded),
|
|
},
|
|
itemsInQueue: 1,
|
|
deletedPodNames: sets.NewString("a", "b"),
|
|
},
|
|
{
|
|
name: "quarantine not finished",
|
|
delay: quarantineTime / 2,
|
|
pods: []*v1.Pod{
|
|
makePod("a", "deleted", v1.PodFailed),
|
|
},
|
|
itemsInQueue: 0,
|
|
deletedPodNames: sets.NewString(),
|
|
},
|
|
{
|
|
name: "wrong nodes",
|
|
initialInformerNodes: []*v1.Node{testutil.NewNode("existing")},
|
|
delay: 2 * quarantineTime,
|
|
pods: []*v1.Pod{
|
|
makePod("a", "deleted", v1.PodRunning),
|
|
},
|
|
itemsInQueue: 1,
|
|
deletedPodNames: sets.NewString("a"),
|
|
},
|
|
{
|
|
name: "some nodes missing",
|
|
initialInformerNodes: []*v1.Node{testutil.NewNode("existing")},
|
|
delay: 2 * quarantineTime,
|
|
pods: []*v1.Pod{
|
|
makePod("a", "deleted", v1.PodFailed),
|
|
makePod("b", "existing", v1.PodFailed),
|
|
makePod("c", "deleted", v1.PodSucceeded),
|
|
makePod("d", "deleted", v1.PodRunning),
|
|
},
|
|
itemsInQueue: 1,
|
|
deletedPodNames: sets.NewString("a", "c", "d"),
|
|
},
|
|
{
|
|
name: "node added to client after quarantine",
|
|
delay: 2 * quarantineTime,
|
|
addedClientNodes: []*v1.Node{testutil.NewNode("node")},
|
|
pods: []*v1.Pod{
|
|
makePod("a", "node", v1.PodRunning),
|
|
},
|
|
itemsInQueue: 1,
|
|
deletedPodNames: sets.NewString(),
|
|
},
|
|
{
|
|
name: "node added to informer after quarantine",
|
|
delay: 2 * quarantineTime,
|
|
addedInformerNodes: []*v1.Node{testutil.NewNode("node")},
|
|
pods: []*v1.Pod{
|
|
makePod("a", "node", v1.PodFailed),
|
|
},
|
|
itemsInQueue: 1,
|
|
deletedPodNames: sets.NewString(),
|
|
},
|
|
{
|
|
// It shouldn't happen that client will be lagging behind informer.
|
|
// This test case is more a sanity check.
|
|
name: "node deleted from client after quarantine",
|
|
initialClientNodes: []*v1.Node{testutil.NewNode("node")},
|
|
delay: 2 * quarantineTime,
|
|
deletedClientNodes: []*v1.Node{testutil.NewNode("node")},
|
|
pods: []*v1.Pod{
|
|
makePod("a", "node", v1.PodFailed),
|
|
},
|
|
itemsInQueue: 1,
|
|
deletedPodNames: sets.NewString("a"),
|
|
},
|
|
{
|
|
name: "node deleted from informer after quarantine",
|
|
initialInformerNodes: []*v1.Node{testutil.NewNode("node")},
|
|
delay: 2 * quarantineTime,
|
|
deletedInformerNodes: []*v1.Node{testutil.NewNode("node")},
|
|
pods: []*v1.Pod{
|
|
makePod("a", "node", v1.PodSucceeded),
|
|
},
|
|
itemsInQueue: 0,
|
|
deletedPodNames: sets.NewString(),
|
|
},
|
|
}
|
|
|
|
for _, test := range testCases {
|
|
t.Run(test.name, func(t *testing.T) {
|
|
nodeList := &v1.NodeList{}
|
|
for _, node := range test.initialClientNodes {
|
|
nodeList.Items = append(nodeList.Items, *node)
|
|
}
|
|
client := fake.NewSimpleClientset(nodeList)
|
|
gcc, podInformer, nodeInformer := NewFromClient(client, -1)
|
|
for _, node := range test.initialInformerNodes {
|
|
nodeInformer.Informer().GetStore().Add(node)
|
|
}
|
|
for _, pod := range test.pods {
|
|
podInformer.Informer().GetStore().Add(pod)
|
|
}
|
|
// Overwrite queue
|
|
fakeClock := testingclock.NewFakeClock(time.Now())
|
|
gcc.nodeQueue.ShutDown()
|
|
gcc.nodeQueue = workqueue.NewDelayingQueueWithCustomClock(fakeClock, "podgc_test_queue")
|
|
|
|
deletedPodNames := make([]string, 0)
|
|
var lock sync.Mutex
|
|
gcc.deletePod = func(_, name string) error {
|
|
lock.Lock()
|
|
defer lock.Unlock()
|
|
deletedPodNames = append(deletedPodNames, name)
|
|
return nil
|
|
}
|
|
|
|
// First GC of orphaned pods
|
|
gcc.gc(context.TODO())
|
|
if len(deletedPodNames) > 0 {
|
|
t.Errorf("no pods should be deleted at this point.\n\tactual: %v", deletedPodNames)
|
|
}
|
|
|
|
// Move clock forward
|
|
fakeClock.Step(test.delay)
|
|
// Wait for queue goroutine to process items
|
|
if test.itemsInQueue > 0 {
|
|
err := waitForAdded(gcc.nodeQueue, test.itemsInQueue)
|
|
if err != nil {
|
|
t.Errorf("wrong number of items in the node queue.\n\texpected: %v\n\tactual: %v",
|
|
test.itemsInQueue, gcc.nodeQueue.Len())
|
|
}
|
|
}
|
|
|
|
// Execute planned nodes changes
|
|
for _, node := range test.addedClientNodes {
|
|
client.CoreV1().Nodes().Create(context.TODO(), node, metav1.CreateOptions{})
|
|
}
|
|
for _, node := range test.deletedClientNodes {
|
|
client.CoreV1().Nodes().Delete(context.TODO(), node.Name, metav1.DeleteOptions{})
|
|
}
|
|
for _, node := range test.addedInformerNodes {
|
|
nodeInformer.Informer().GetStore().Add(node)
|
|
}
|
|
for _, node := range test.deletedInformerNodes {
|
|
nodeInformer.Informer().GetStore().Delete(node)
|
|
}
|
|
|
|
// Actual pod deletion
|
|
gcc.gc(context.TODO())
|
|
|
|
if pass := compareStringSetToList(test.deletedPodNames, deletedPodNames); !pass {
|
|
t.Errorf("pod's deleted expected and actual did not match.\n\texpected: %v\n\tactual: %v",
|
|
test.deletedPodNames.List(), deletedPodNames)
|
|
}
|
|
})
|
|
}
|
|
}
|
|
|
|
func TestGCUnscheduledTerminating(t *testing.T) {
|
|
type nameToPhase struct {
|
|
name string
|
|
phase v1.PodPhase
|
|
deletionTimeStamp *metav1.Time
|
|
nodeName string
|
|
}
|
|
|
|
testCases := []struct {
|
|
name string
|
|
pods []nameToPhase
|
|
deletedPodNames sets.String
|
|
}{
|
|
{
|
|
name: "Unscheduled pod in any phase must be deleted",
|
|
pods: []nameToPhase{
|
|
{name: "a", phase: v1.PodFailed, deletionTimeStamp: &metav1.Time{}, nodeName: ""},
|
|
{name: "b", phase: v1.PodSucceeded, deletionTimeStamp: &metav1.Time{}, nodeName: ""},
|
|
{name: "c", phase: v1.PodRunning, deletionTimeStamp: &metav1.Time{}, nodeName: ""},
|
|
},
|
|
deletedPodNames: sets.NewString("a", "b", "c"),
|
|
},
|
|
{
|
|
name: "Scheduled pod in any phase must not be deleted",
|
|
pods: []nameToPhase{
|
|
{name: "a", phase: v1.PodFailed, deletionTimeStamp: nil, nodeName: ""},
|
|
{name: "b", phase: v1.PodSucceeded, deletionTimeStamp: nil, nodeName: "node"},
|
|
{name: "c", phase: v1.PodRunning, deletionTimeStamp: &metav1.Time{}, nodeName: "node"},
|
|
},
|
|
deletedPodNames: sets.NewString(),
|
|
},
|
|
}
|
|
|
|
for i, test := range testCases {
|
|
t.Run(test.name, func(t *testing.T) {
|
|
client := fake.NewSimpleClientset()
|
|
gcc, podInformer, _ := NewFromClient(client, -1)
|
|
deletedPodNames := make([]string, 0)
|
|
var lock sync.Mutex
|
|
gcc.deletePod = func(_, name string) error {
|
|
lock.Lock()
|
|
defer lock.Unlock()
|
|
deletedPodNames = append(deletedPodNames, name)
|
|
return nil
|
|
}
|
|
|
|
creationTime := time.Unix(0, 0)
|
|
for _, pod := range test.pods {
|
|
creationTime = creationTime.Add(1 * time.Hour)
|
|
podInformer.Informer().GetStore().Add(&v1.Pod{
|
|
ObjectMeta: metav1.ObjectMeta{Name: pod.name, CreationTimestamp: metav1.Time{Time: creationTime},
|
|
DeletionTimestamp: pod.deletionTimeStamp},
|
|
Status: v1.PodStatus{Phase: pod.phase},
|
|
Spec: v1.PodSpec{NodeName: pod.nodeName},
|
|
})
|
|
}
|
|
|
|
pods, err := podInformer.Lister().List(labels.Everything())
|
|
if err != nil {
|
|
t.Errorf("Error while listing all Pods: %v", err)
|
|
return
|
|
}
|
|
gcc.gcUnscheduledTerminating(pods)
|
|
|
|
if pass := compareStringSetToList(test.deletedPodNames, deletedPodNames); !pass {
|
|
t.Errorf("[%v]pod's deleted expected and actual did not match.\n\texpected: %v\n\tactual: %v, test: %v",
|
|
i, test.deletedPodNames.List(), deletedPodNames, test.name)
|
|
}
|
|
})
|
|
}
|
|
}
|
|
|
|
func TestGCTerminating(t *testing.T) {
|
|
defer featuregatetesting.SetFeatureGateDuringTest(t, utilfeature.DefaultFeatureGate, features.NodeOutOfServiceVolumeDetach, true)()
|
|
type node struct {
|
|
name string
|
|
readyCondition v1.ConditionStatus
|
|
taints []v1.Taint
|
|
}
|
|
|
|
type nameToPodConfig struct {
|
|
name string
|
|
phase v1.PodPhase
|
|
deletionTimeStamp *metav1.Time
|
|
nodeName string
|
|
}
|
|
|
|
testCases := []struct {
|
|
name string
|
|
pods []nameToPodConfig
|
|
nodes []node
|
|
deletedPodNames sets.String
|
|
}{
|
|
{
|
|
name: "pods have deletion timestamp set and the corresponding nodes are not ready",
|
|
nodes: []node{
|
|
{name: "worker-0", readyCondition: v1.ConditionFalse},
|
|
{name: "worker-1", readyCondition: v1.ConditionFalse},
|
|
},
|
|
pods: []nameToPodConfig{
|
|
{name: "a", deletionTimeStamp: &metav1.Time{}, nodeName: "worker-0"},
|
|
{name: "b", deletionTimeStamp: &metav1.Time{}, nodeName: "worker-1"},
|
|
},
|
|
deletedPodNames: sets.NewString(),
|
|
},
|
|
|
|
{
|
|
name: "some pods have deletion timestamp and/or phase set and some of the corresponding nodes have an" +
|
|
"outofservice taint that are not ready",
|
|
nodes: []node{
|
|
// terminated pods on this node should be force deleted
|
|
{name: "worker-0", readyCondition: v1.ConditionFalse, taints: []v1.Taint{{Key: v1.TaintNodeOutOfService,
|
|
Effect: v1.TaintEffectNoExecute}}},
|
|
// terminated pods on this node should not be force deleted
|
|
{name: "worker-1", readyCondition: v1.ConditionFalse},
|
|
// terminated pods on this node should not be force deleted
|
|
{name: "worker-2", readyCondition: v1.ConditionTrue},
|
|
// terminated pods on this node should be force deleted
|
|
{name: "worker-3", readyCondition: v1.ConditionFalse, taints: []v1.Taint{{Key: v1.TaintNodeOutOfService,
|
|
Effect: v1.TaintEffectNoSchedule}}},
|
|
// terminated pods on this node should be force deleted
|
|
{name: "worker-4", readyCondition: v1.ConditionFalse, taints: []v1.Taint{{Key: v1.TaintNodeOutOfService,
|
|
Effect: v1.TaintEffectPreferNoSchedule}}},
|
|
// terminated pods on this node should be force deleted
|
|
{name: "worker-5", readyCondition: v1.ConditionFalse, taints: []v1.Taint{{Key: v1.TaintNodeOutOfService,
|
|
Value: "any-value", Effect: v1.TaintEffectNoExecute}}},
|
|
},
|
|
pods: []nameToPodConfig{
|
|
// pods a1, b1, c1, d1 and e1 are on node worker-0
|
|
{name: "a1", nodeName: "worker-0"},
|
|
{name: "b1", deletionTimeStamp: &metav1.Time{}, nodeName: "worker-0"},
|
|
{name: "c1", phase: v1.PodPending, nodeName: "worker-0"},
|
|
{name: "d1", phase: v1.PodRunning, nodeName: "worker-0"},
|
|
{name: "e1", phase: v1.PodUnknown, nodeName: "worker-0"},
|
|
|
|
// pods a2, b2, c2, d2 and e2 are on node worker-1
|
|
{name: "a2", nodeName: "worker-1"},
|
|
{name: "b2", deletionTimeStamp: &metav1.Time{}, nodeName: "worker-1"},
|
|
{name: "c2", phase: v1.PodPending, nodeName: "worker-1"},
|
|
{name: "d2", phase: v1.PodRunning, nodeName: "worker-1"},
|
|
{name: "e2", phase: v1.PodUnknown, nodeName: "worker-1"},
|
|
|
|
// pods a3, b3, c3, d3 and e3 are on node worker-2
|
|
{name: "a3", nodeName: "worker-2"},
|
|
{name: "b3", deletionTimeStamp: &metav1.Time{}, nodeName: "worker-2"},
|
|
{name: "c3", phase: v1.PodPending, nodeName: "worker-2"},
|
|
{name: "d3", phase: v1.PodRunning, nodeName: "worker-2"},
|
|
{name: "e3", phase: v1.PodUnknown, nodeName: "worker-2"},
|
|
|
|
// pods a4, b4, c4, d4 and e4 are on node worker-3
|
|
{name: "a4", nodeName: "worker-3"},
|
|
{name: "b4", deletionTimeStamp: &metav1.Time{}, nodeName: "worker-3"},
|
|
{name: "c4", phase: v1.PodPending, nodeName: "worker-3"},
|
|
{name: "d4", phase: v1.PodRunning, nodeName: "worker-3"},
|
|
{name: "e4", phase: v1.PodUnknown, nodeName: "worker-3"},
|
|
|
|
// pods a5, b5, c5, d5 and e5 are on node worker-4
|
|
{name: "a5", nodeName: "worker-3"},
|
|
{name: "b5", deletionTimeStamp: &metav1.Time{}, nodeName: "worker-4"},
|
|
{name: "c5", phase: v1.PodPending, nodeName: "worker-4"},
|
|
{name: "d5", phase: v1.PodRunning, nodeName: "worker-4"},
|
|
{name: "e5", phase: v1.PodUnknown, nodeName: "worker-4"},
|
|
|
|
// pods a6, b6, c6, d6 and e6 are on node worker-5
|
|
{name: "a6", nodeName: "worker-5"},
|
|
{name: "b6", deletionTimeStamp: &metav1.Time{}, nodeName: "worker-5"},
|
|
{name: "c6", phase: v1.PodPending, nodeName: "worker-5"},
|
|
{name: "d6", phase: v1.PodRunning, nodeName: "worker-5"},
|
|
{name: "e6", phase: v1.PodUnknown, nodeName: "worker-5"},
|
|
},
|
|
deletedPodNames: sets.NewString("b1", "b4", "b5", "b6"),
|
|
},
|
|
}
|
|
for i, test := range testCases {
|
|
t.Run(test.name, func(t *testing.T) {
|
|
client := fake.NewSimpleClientset(&v1.NodeList{Items: []v1.Node{*testutil.NewNode("node-a")}})
|
|
gcc, podInformer, nodeInformer := NewFromClient(client, -1)
|
|
deletedPodNames := make([]string, 0)
|
|
var lock sync.Mutex
|
|
gcc.deletePod = func(_, name string) error {
|
|
lock.Lock()
|
|
defer lock.Unlock()
|
|
deletedPodNames = append(deletedPodNames, name)
|
|
return nil
|
|
}
|
|
creationTime := time.Unix(0, 0)
|
|
for _, node := range test.nodes {
|
|
creationTime = creationTime.Add(2 * time.Hour)
|
|
nodeInformer.Informer().GetStore().Add(&v1.Node{
|
|
ObjectMeta: metav1.ObjectMeta{Name: node.name, CreationTimestamp: metav1.Time{Time: creationTime}},
|
|
Spec: v1.NodeSpec{
|
|
Taints: node.taints,
|
|
},
|
|
Status: v1.NodeStatus{
|
|
Conditions: []v1.NodeCondition{
|
|
{
|
|
Type: v1.NodeReady,
|
|
Status: node.readyCondition,
|
|
},
|
|
},
|
|
},
|
|
})
|
|
}
|
|
|
|
for _, pod := range test.pods {
|
|
creationTime = creationTime.Add(1 * time.Hour)
|
|
podInformer.Informer().GetStore().Add(&v1.Pod{
|
|
ObjectMeta: metav1.ObjectMeta{Name: pod.name, CreationTimestamp: metav1.Time{Time: creationTime},
|
|
DeletionTimestamp: pod.deletionTimeStamp},
|
|
Status: v1.PodStatus{Phase: pod.phase},
|
|
Spec: v1.PodSpec{NodeName: pod.nodeName},
|
|
})
|
|
}
|
|
|
|
gcc.gc(context.TODO())
|
|
if pass := compareStringSetToList(test.deletedPodNames, deletedPodNames); !pass {
|
|
t.Errorf("[%v]pod's deleted expected and actual did not match.\n\texpected: %v\n\tactual: %v",
|
|
i, test.deletedPodNames.List(), deletedPodNames)
|
|
}
|
|
})
|
|
}
|
|
}
|