mirror of https://github.com/k3s-io/k3s
320 lines
9.1 KiB
Go
320 lines
9.1 KiB
Go
/*
|
|
Copyright 2014 The Kubernetes Authors All rights reserved.
|
|
|
|
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 status
|
|
|
|
import (
|
|
"fmt"
|
|
"math/rand"
|
|
"strconv"
|
|
"testing"
|
|
"time"
|
|
|
|
"k8s.io/kubernetes/pkg/api"
|
|
"k8s.io/kubernetes/pkg/api/unversioned"
|
|
client "k8s.io/kubernetes/pkg/client/unversioned"
|
|
"k8s.io/kubernetes/pkg/client/unversioned/testclient"
|
|
)
|
|
|
|
var testPod *api.Pod = &api.Pod{
|
|
ObjectMeta: api.ObjectMeta{
|
|
UID: "12345678",
|
|
Name: "foo",
|
|
Namespace: "new",
|
|
},
|
|
}
|
|
|
|
func newTestManager() *manager {
|
|
return NewManager(&testclient.Fake{}).(*manager)
|
|
}
|
|
|
|
func generateRandomMessage() string {
|
|
return strconv.Itoa(rand.Int())
|
|
}
|
|
|
|
func getRandomPodStatus() api.PodStatus {
|
|
return api.PodStatus{
|
|
Message: generateRandomMessage(),
|
|
}
|
|
}
|
|
|
|
func verifyActions(t *testing.T, kubeClient client.Interface, expectedActions []testclient.Action) {
|
|
actions := kubeClient.(*testclient.Fake).Actions()
|
|
if len(actions) != len(expectedActions) {
|
|
t.Errorf("unexpected actions, got: %s expected: %s", actions, expectedActions)
|
|
return
|
|
}
|
|
for i := 0; i < len(actions); i++ {
|
|
e := expectedActions[i]
|
|
a := actions[i]
|
|
if !a.Matches(e.GetVerb(), e.GetResource()) || a.GetSubresource() != e.GetSubresource() {
|
|
t.Errorf("unexpected actions, got: %s expected: %s", actions, expectedActions)
|
|
}
|
|
}
|
|
}
|
|
|
|
func verifyUpdates(t *testing.T, manager *manager, expectedUpdates int) {
|
|
// Consume all updates in the channel.
|
|
numUpdates := 0
|
|
for {
|
|
hasUpdate := true
|
|
select {
|
|
case <-manager.podStatusChannel:
|
|
numUpdates++
|
|
default:
|
|
hasUpdate = false
|
|
}
|
|
|
|
if !hasUpdate {
|
|
break
|
|
}
|
|
}
|
|
|
|
if numUpdates != expectedUpdates {
|
|
t.Errorf("unexpected number of updates %d, expected %d", numUpdates, expectedUpdates)
|
|
}
|
|
}
|
|
|
|
func TestNewStatus(t *testing.T) {
|
|
syncer := newTestManager()
|
|
syncer.SetPodStatus(testPod, getRandomPodStatus())
|
|
verifyUpdates(t, syncer, 1)
|
|
|
|
status, _ := syncer.GetPodStatus(testPod.UID)
|
|
if status.StartTime.IsZero() {
|
|
t.Errorf("SetPodStatus did not set a proper start time value")
|
|
}
|
|
}
|
|
|
|
func TestNewStatusPreservesPodStartTime(t *testing.T) {
|
|
syncer := newTestManager()
|
|
pod := &api.Pod{
|
|
ObjectMeta: api.ObjectMeta{
|
|
UID: "12345678",
|
|
Name: "foo",
|
|
Namespace: "new",
|
|
},
|
|
Status: api.PodStatus{},
|
|
}
|
|
now := unversioned.Now()
|
|
startTime := unversioned.NewTime(now.Time.Add(-1 * time.Minute))
|
|
pod.Status.StartTime = &startTime
|
|
syncer.SetPodStatus(pod, getRandomPodStatus())
|
|
|
|
status, _ := syncer.GetPodStatus(pod.UID)
|
|
if !status.StartTime.Time.Equal(startTime.Time) {
|
|
t.Errorf("Unexpected start time, expected %v, actual %v", startTime, status.StartTime)
|
|
}
|
|
}
|
|
|
|
func getReadyPodStatus() api.PodStatus {
|
|
return api.PodStatus{
|
|
Conditions: []api.PodCondition{
|
|
{
|
|
Type: api.PodReady,
|
|
Status: api.ConditionTrue,
|
|
},
|
|
},
|
|
}
|
|
}
|
|
|
|
func TestNewStatusSetsReadyTransitionTime(t *testing.T) {
|
|
syncer := newTestManager()
|
|
podStatus := getReadyPodStatus()
|
|
pod := &api.Pod{
|
|
ObjectMeta: api.ObjectMeta{
|
|
UID: "12345678",
|
|
Name: "foo",
|
|
Namespace: "new",
|
|
},
|
|
Status: api.PodStatus{},
|
|
}
|
|
syncer.SetPodStatus(pod, podStatus)
|
|
verifyUpdates(t, syncer, 1)
|
|
status, _ := syncer.GetPodStatus(pod.UID)
|
|
readyCondition := api.GetPodReadyCondition(status)
|
|
if readyCondition.LastTransitionTime.IsZero() {
|
|
t.Errorf("Unexpected: last transition time not set")
|
|
}
|
|
}
|
|
|
|
func TestChangedStatus(t *testing.T) {
|
|
syncer := newTestManager()
|
|
syncer.SetPodStatus(testPod, getRandomPodStatus())
|
|
syncer.SetPodStatus(testPod, getRandomPodStatus())
|
|
verifyUpdates(t, syncer, 2)
|
|
}
|
|
|
|
func TestChangedStatusKeepsStartTime(t *testing.T) {
|
|
syncer := newTestManager()
|
|
now := unversioned.Now()
|
|
firstStatus := getRandomPodStatus()
|
|
firstStatus.StartTime = &now
|
|
syncer.SetPodStatus(testPod, firstStatus)
|
|
syncer.SetPodStatus(testPod, getRandomPodStatus())
|
|
verifyUpdates(t, syncer, 2)
|
|
finalStatus, _ := syncer.GetPodStatus(testPod.UID)
|
|
if finalStatus.StartTime.IsZero() {
|
|
t.Errorf("StartTime should not be zero")
|
|
}
|
|
if !finalStatus.StartTime.Time.Equal(now.Time) {
|
|
t.Errorf("Expected %v, but got %v", now.Time, finalStatus.StartTime.Time)
|
|
}
|
|
}
|
|
|
|
func TestChangedStatusUpdatesLastTransitionTime(t *testing.T) {
|
|
syncer := newTestManager()
|
|
podStatus := getReadyPodStatus()
|
|
pod := &api.Pod{
|
|
ObjectMeta: api.ObjectMeta{
|
|
UID: "12345678",
|
|
Name: "foo",
|
|
Namespace: "new",
|
|
},
|
|
Status: api.PodStatus{},
|
|
}
|
|
syncer.SetPodStatus(pod, podStatus)
|
|
verifyUpdates(t, syncer, 1)
|
|
oldStatus, _ := syncer.GetPodStatus(pod.UID)
|
|
anotherStatus := getReadyPodStatus()
|
|
anotherStatus.Conditions[0].Status = api.ConditionFalse
|
|
syncer.SetPodStatus(pod, anotherStatus)
|
|
verifyUpdates(t, syncer, 1)
|
|
newStatus, _ := syncer.GetPodStatus(pod.UID)
|
|
|
|
oldReadyCondition := api.GetPodReadyCondition(oldStatus)
|
|
newReadyCondition := api.GetPodReadyCondition(newStatus)
|
|
if newReadyCondition.LastTransitionTime.IsZero() {
|
|
t.Errorf("Unexpected: last transition time not set")
|
|
}
|
|
if !oldReadyCondition.LastTransitionTime.Before(newReadyCondition.LastTransitionTime) {
|
|
t.Errorf("Unexpected: new transition time %s, is not after old transition time %s", newReadyCondition.LastTransitionTime, oldReadyCondition.LastTransitionTime)
|
|
}
|
|
}
|
|
|
|
func TestUnchangedStatus(t *testing.T) {
|
|
syncer := newTestManager()
|
|
podStatus := getRandomPodStatus()
|
|
syncer.SetPodStatus(testPod, podStatus)
|
|
syncer.SetPodStatus(testPod, podStatus)
|
|
verifyUpdates(t, syncer, 1)
|
|
}
|
|
|
|
func TestUnchangedStatusPreservesLastTransitionTime(t *testing.T) {
|
|
syncer := newTestManager()
|
|
podStatus := getReadyPodStatus()
|
|
pod := &api.Pod{
|
|
ObjectMeta: api.ObjectMeta{
|
|
UID: "12345678",
|
|
Name: "foo",
|
|
Namespace: "new",
|
|
},
|
|
Status: api.PodStatus{},
|
|
}
|
|
syncer.SetPodStatus(pod, podStatus)
|
|
verifyUpdates(t, syncer, 1)
|
|
oldStatus, _ := syncer.GetPodStatus(pod.UID)
|
|
anotherStatus := getReadyPodStatus()
|
|
syncer.SetPodStatus(pod, anotherStatus)
|
|
// No update.
|
|
verifyUpdates(t, syncer, 0)
|
|
newStatus, _ := syncer.GetPodStatus(pod.UID)
|
|
|
|
oldReadyCondition := api.GetPodReadyCondition(oldStatus)
|
|
newReadyCondition := api.GetPodReadyCondition(newStatus)
|
|
if newReadyCondition.LastTransitionTime.IsZero() {
|
|
t.Errorf("Unexpected: last transition time not set")
|
|
}
|
|
if !oldReadyCondition.LastTransitionTime.Equal(newReadyCondition.LastTransitionTime) {
|
|
t.Errorf("Unexpected: new transition time %s, is not equal to old transition time %s", newReadyCondition.LastTransitionTime, oldReadyCondition.LastTransitionTime)
|
|
}
|
|
}
|
|
|
|
func TestSyncBatchIgnoresNotFound(t *testing.T) {
|
|
syncer := newTestManager()
|
|
syncer.SetPodStatus(testPod, getRandomPodStatus())
|
|
err := syncer.syncBatch()
|
|
if err != nil {
|
|
t.Errorf("unexpected syncing error: %v", err)
|
|
}
|
|
verifyActions(t, syncer.kubeClient, []testclient.Action{
|
|
testclient.GetActionImpl{ActionImpl: testclient.ActionImpl{Verb: "get", Resource: "pods"}},
|
|
})
|
|
}
|
|
|
|
func TestSyncBatch(t *testing.T) {
|
|
syncer := newTestManager()
|
|
syncer.kubeClient = testclient.NewSimpleFake(testPod)
|
|
syncer.SetPodStatus(testPod, getRandomPodStatus())
|
|
err := syncer.syncBatch()
|
|
if err != nil {
|
|
t.Errorf("unexpected syncing error: %v", err)
|
|
}
|
|
verifyActions(t, syncer.kubeClient, []testclient.Action{
|
|
testclient.GetActionImpl{ActionImpl: testclient.ActionImpl{Verb: "get", Resource: "pods"}},
|
|
testclient.UpdateActionImpl{ActionImpl: testclient.ActionImpl{Verb: "update", Resource: "pods", Subresource: "status"}},
|
|
},
|
|
)
|
|
}
|
|
|
|
func TestSyncBatchChecksMismatchedUID(t *testing.T) {
|
|
syncer := newTestManager()
|
|
testPod.UID = "first"
|
|
differentPod := *testPod
|
|
differentPod.UID = "second"
|
|
syncer.kubeClient = testclient.NewSimpleFake(testPod)
|
|
syncer.SetPodStatus(&differentPod, getRandomPodStatus())
|
|
err := syncer.syncBatch()
|
|
if err != nil {
|
|
t.Errorf("unexpected syncing error: %v", err)
|
|
}
|
|
verifyActions(t, syncer.kubeClient, []testclient.Action{
|
|
testclient.GetActionImpl{ActionImpl: testclient.ActionImpl{Verb: "get", Resource: "pods"}},
|
|
})
|
|
}
|
|
|
|
// shuffle returns a new shuffled list of container statuses.
|
|
func shuffle(statuses []api.ContainerStatus) []api.ContainerStatus {
|
|
numStatuses := len(statuses)
|
|
randIndexes := rand.Perm(numStatuses)
|
|
shuffled := make([]api.ContainerStatus, numStatuses)
|
|
for i := 0; i < numStatuses; i++ {
|
|
shuffled[i] = statuses[randIndexes[i]]
|
|
}
|
|
return shuffled
|
|
}
|
|
|
|
func TestStatusEquality(t *testing.T) {
|
|
containerStatus := []api.ContainerStatus{}
|
|
for i := 0; i < 10; i++ {
|
|
s := api.ContainerStatus{
|
|
Name: fmt.Sprintf("container%d", i),
|
|
}
|
|
containerStatus = append(containerStatus, s)
|
|
}
|
|
podStatus := api.PodStatus{
|
|
ContainerStatuses: containerStatus,
|
|
}
|
|
for i := 0; i < 10; i++ {
|
|
oldPodStatus := api.PodStatus{
|
|
ContainerStatuses: shuffle(podStatus.ContainerStatuses),
|
|
}
|
|
if !isStatusEqual(&oldPodStatus, &podStatus) {
|
|
t.Fatalf("Order of container statuses should not affect equality.")
|
|
}
|
|
}
|
|
}
|