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job_controller_test.go
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job_controller_test.go
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/*
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 job
import (
"fmt"
"strconv"
"testing"
"time"
batch "k8s.io/api/batch/v1"
"k8s.io/api/core/v1"
apiequality "k8s.io/apimachinery/pkg/api/equality"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/runtime/schema"
"k8s.io/apimachinery/pkg/util/rand"
"k8s.io/apimachinery/pkg/util/uuid"
"k8s.io/apimachinery/pkg/util/wait"
"k8s.io/apimachinery/pkg/watch"
"k8s.io/client-go/informers"
clientset "k8s.io/client-go/kubernetes"
"k8s.io/client-go/kubernetes/fake"
restclient "k8s.io/client-go/rest"
core "k8s.io/client-go/testing"
"k8s.io/client-go/tools/cache"
"k8s.io/client-go/util/workqueue"
_ "k8s.io/kubernetes/pkg/apis/core/install"
"k8s.io/kubernetes/pkg/controller"
"k8s.io/kubernetes/pkg/controller/testutil"
)
var alwaysReady = func() bool { return true }
func newJob(parallelism, completions, backoffLimit int32) *batch.Job {
j := &batch.Job{
TypeMeta: metav1.TypeMeta{Kind: "Job"},
ObjectMeta: metav1.ObjectMeta{
Name: "foobar",
UID: uuid.NewUUID(),
Namespace: metav1.NamespaceDefault,
},
Spec: batch.JobSpec{
Selector: &metav1.LabelSelector{
MatchLabels: map[string]string{"foo": "bar"},
},
Template: v1.PodTemplateSpec{
ObjectMeta: metav1.ObjectMeta{
Labels: map[string]string{
"foo": "bar",
},
},
Spec: v1.PodSpec{
Containers: []v1.Container{
{Image: "foo/bar"},
},
},
},
},
}
// Special case: -1 for either completions or parallelism means leave nil (negative is not allowed
// in practice by validation.
if completions >= 0 {
j.Spec.Completions = &completions
} else {
j.Spec.Completions = nil
}
if parallelism >= 0 {
j.Spec.Parallelism = ¶llelism
} else {
j.Spec.Parallelism = nil
}
j.Spec.BackoffLimit = &backoffLimit
return j
}
func newControllerFromClient(kubeClient clientset.Interface, resyncPeriod controller.ResyncPeriodFunc) (*Controller, informers.SharedInformerFactory) {
sharedInformers := informers.NewSharedInformerFactory(kubeClient, resyncPeriod())
jm := NewController(sharedInformers.Core().V1().Pods(), sharedInformers.Batch().V1().Jobs(), kubeClient)
jm.podControl = &controller.FakePodControl{}
return jm, sharedInformers
}
func newPod(name string, job *batch.Job) *v1.Pod {
return &v1.Pod{
ObjectMeta: metav1.ObjectMeta{
Name: name,
Labels: job.Spec.Selector.MatchLabels,
Namespace: job.Namespace,
OwnerReferences: []metav1.OwnerReference{*metav1.NewControllerRef(job, controllerKind)},
},
}
}
// create count pods with the given phase for the given job
func newPodList(count int32, status v1.PodPhase, job *batch.Job) []v1.Pod {
pods := []v1.Pod{}
for i := int32(0); i < count; i++ {
newPod := newPod(fmt.Sprintf("pod-%v", rand.String(10)), job)
newPod.Status = v1.PodStatus{Phase: status}
pods = append(pods, *newPod)
}
return pods
}
func setPodsStatuses(podIndexer cache.Indexer, job *batch.Job, pendingPods, activePods, succeededPods, failedPods int32) {
for _, pod := range newPodList(pendingPods, v1.PodPending, job) {
podIndexer.Add(&pod)
}
for _, pod := range newPodList(activePods, v1.PodRunning, job) {
podIndexer.Add(&pod)
}
for _, pod := range newPodList(succeededPods, v1.PodSucceeded, job) {
podIndexer.Add(&pod)
}
for _, pod := range newPodList(failedPods, v1.PodFailed, job) {
podIndexer.Add(&pod)
}
}
func TestControllerSyncJob(t *testing.T) {
jobConditionComplete := batch.JobComplete
jobConditionFailed := batch.JobFailed
testCases := map[string]struct {
// job setup
parallelism int32
completions int32
backoffLimit int32
deleting bool
podLimit int
// pod setup
podControllerError error
jobKeyForget bool
pendingPods int32
activePods int32
succeededPods int32
failedPods int32
// expectations
expectedCreations int32
expectedDeletions int32
expectedActive int32
expectedSucceeded int32
expectedFailed int32
expectedCondition *batch.JobConditionType
expectedConditionReason string
}{
"job start": {
2, 5, 6, false, 0,
nil, true, 0, 0, 0, 0,
2, 0, 2, 0, 0, nil, "",
},
"WQ job start": {
2, -1, 6, false, 0,
nil, true, 0, 0, 0, 0,
2, 0, 2, 0, 0, nil, "",
},
"pending pods": {
2, 5, 6, false, 0,
nil, true, 2, 0, 0, 0,
0, 0, 2, 0, 0, nil, "",
},
"correct # of pods": {
2, 5, 6, false, 0,
nil, true, 0, 2, 0, 0,
0, 0, 2, 0, 0, nil, "",
},
"WQ job: correct # of pods": {
2, -1, 6, false, 0,
nil, true, 0, 2, 0, 0,
0, 0, 2, 0, 0, nil, "",
},
"too few active pods": {
2, 5, 6, false, 0,
nil, true, 0, 1, 1, 0,
1, 0, 2, 1, 0, nil, "",
},
"too few active pods with a dynamic job": {
2, -1, 6, false, 0,
nil, true, 0, 1, 0, 0,
1, 0, 2, 0, 0, nil, "",
},
"too few active pods, with controller error": {
2, 5, 6, false, 0,
fmt.Errorf("fake error"), true, 0, 1, 1, 0,
1, 0, 1, 1, 0, nil, "",
},
"too many active pods": {
2, 5, 6, false, 0,
nil, true, 0, 3, 0, 0,
0, 1, 2, 0, 0, nil, "",
},
"too many active pods, with controller error": {
2, 5, 6, false, 0,
fmt.Errorf("fake error"), true, 0, 3, 0, 0,
0, 1, 3, 0, 0, nil, "",
},
"failed + succeed pods: reset backoff delay": {
2, 5, 6, false, 0,
fmt.Errorf("fake error"), true, 0, 1, 1, 1,
1, 0, 1, 1, 1, nil, "",
},
"only new failed pod": {
2, 5, 6, false, 0,
fmt.Errorf("fake error"), false, 0, 1, 0, 1,
1, 0, 1, 0, 1, nil, "",
},
"job finish": {
2, 5, 6, false, 0,
nil, true, 0, 0, 5, 0,
0, 0, 0, 5, 0, nil, "",
},
"WQ job finishing": {
2, -1, 6, false, 0,
nil, true, 0, 1, 1, 0,
0, 0, 1, 1, 0, nil, "",
},
"WQ job all finished": {
2, -1, 6, false, 0,
nil, true, 0, 0, 2, 0,
0, 0, 0, 2, 0, &jobConditionComplete, "",
},
"WQ job all finished despite one failure": {
2, -1, 6, false, 0,
nil, true, 0, 0, 1, 1,
0, 0, 0, 1, 1, &jobConditionComplete, "",
},
"more active pods than completions": {
2, 5, 6, false, 0,
nil, true, 0, 10, 0, 0,
0, 8, 2, 0, 0, nil, "",
},
"status change": {
2, 5, 6, false, 0,
nil, true, 0, 2, 2, 0,
0, 0, 2, 2, 0, nil, "",
},
"deleting job": {
2, 5, 6, true, 0,
nil, true, 1, 1, 1, 0,
0, 0, 2, 1, 0, nil, "",
},
"limited pods": {
100, 200, 6, false, 10,
nil, true, 0, 0, 0, 0,
10, 0, 10, 0, 0, nil, "",
},
"too many job failures": {
2, 5, 0, true, 0,
nil, true, 0, 0, 0, 1,
0, 0, 0, 0, 1, &jobConditionFailed, "BackoffLimitExceeded",
},
}
for name, tc := range testCases {
// job manager setup
clientset := clientset.NewForConfigOrDie(&restclient.Config{Host: "", ContentConfig: restclient.ContentConfig{GroupVersion: &schema.GroupVersion{Group: "", Version: "v1"}}})
manager, sharedInformerFactory := newControllerFromClient(clientset, controller.NoResyncPeriodFunc)
fakePodControl := controller.FakePodControl{Err: tc.podControllerError, CreateLimit: tc.podLimit}
manager.podControl = &fakePodControl
manager.podStoreSynced = alwaysReady
manager.jobStoreSynced = alwaysReady
var actual *batch.Job
manager.updateHandler = func(job *batch.Job) error {
actual = job
return nil
}
// job & pods setup
job := newJob(tc.parallelism, tc.completions, tc.backoffLimit)
if tc.deleting {
now := metav1.Now()
job.DeletionTimestamp = &now
}
sharedInformerFactory.Batch().V1().Jobs().Informer().GetIndexer().Add(job)
podIndexer := sharedInformerFactory.Core().V1().Pods().Informer().GetIndexer()
setPodsStatuses(podIndexer, job, tc.pendingPods, tc.activePods, tc.succeededPods, tc.failedPods)
// run
forget, err := manager.syncJob(testutil.GetKey(job, t))
// We need requeue syncJob task if podController error
if tc.podControllerError != nil {
if err == nil {
t.Errorf("%s: Syncing jobs would return error when podController exception", name)
}
} else {
if err != nil && (tc.podLimit == 0 || fakePodControl.CreateCallCount < tc.podLimit) {
t.Errorf("%s: unexpected error when syncing jobs %v", name, err)
}
}
if forget != tc.jobKeyForget {
t.Errorf("%s: unexpected forget value. Expected %v, saw %v\n", name, tc.jobKeyForget, forget)
}
// validate created/deleted pods
if int32(len(fakePodControl.Templates)) != tc.expectedCreations {
t.Errorf("%s: unexpected number of creates. Expected %d, saw %d\n", name, tc.expectedCreations, len(fakePodControl.Templates))
}
if int32(len(fakePodControl.DeletePodName)) != tc.expectedDeletions {
t.Errorf("%s: unexpected number of deletes. Expected %d, saw %d\n", name, tc.expectedDeletions, len(fakePodControl.DeletePodName))
}
// Each create should have an accompanying ControllerRef.
if len(fakePodControl.ControllerRefs) != int(tc.expectedCreations) {
t.Errorf("%s: unexpected number of ControllerRefs. Expected %d, saw %d\n", name, tc.expectedCreations, len(fakePodControl.ControllerRefs))
}
// Make sure the ControllerRefs are correct.
for _, controllerRef := range fakePodControl.ControllerRefs {
if got, want := controllerRef.APIVersion, "batch/v1"; got != want {
t.Errorf("controllerRef.APIVersion = %q, want %q", got, want)
}
if got, want := controllerRef.Kind, "Job"; got != want {
t.Errorf("controllerRef.Kind = %q, want %q", got, want)
}
if got, want := controllerRef.Name, job.Name; got != want {
t.Errorf("controllerRef.Name = %q, want %q", got, want)
}
if got, want := controllerRef.UID, job.UID; got != want {
t.Errorf("controllerRef.UID = %q, want %q", got, want)
}
if controllerRef.Controller == nil || *controllerRef.Controller != true {
t.Errorf("controllerRef.Controller is not set to true")
}
}
// validate status
if actual.Status.Active != tc.expectedActive {
t.Errorf("%s: unexpected number of active pods. Expected %d, saw %d\n", name, tc.expectedActive, actual.Status.Active)
}
if actual.Status.Succeeded != tc.expectedSucceeded {
t.Errorf("%s: unexpected number of succeeded pods. Expected %d, saw %d\n", name, tc.expectedSucceeded, actual.Status.Succeeded)
}
if actual.Status.Failed != tc.expectedFailed {
t.Errorf("%s: unexpected number of failed pods. Expected %d, saw %d\n", name, tc.expectedFailed, actual.Status.Failed)
}
if actual.Status.StartTime == nil {
t.Errorf("%s: .status.startTime was not set", name)
}
// validate conditions
if tc.expectedCondition != nil && !getCondition(actual, *tc.expectedCondition, tc.expectedConditionReason) {
t.Errorf("%s: expected completion condition. Got %#v", name, actual.Status.Conditions)
}
// validate slow start
expectedLimit := 0
for pass := uint8(0); expectedLimit <= tc.podLimit; pass++ {
expectedLimit += controller.SlowStartInitialBatchSize << pass
}
if tc.podLimit > 0 && fakePodControl.CreateCallCount > expectedLimit {
t.Errorf("%s: Unexpected number of create calls. Expected <= %d, saw %d\n", name, fakePodControl.CreateLimit*2, fakePodControl.CreateCallCount)
}
}
}
func TestSyncJobPastDeadline(t *testing.T) {
testCases := map[string]struct {
// job setup
parallelism int32
completions int32
activeDeadlineSeconds int64
startTime int64
backoffLimit int32
// pod setup
activePods int32
succeededPods int32
failedPods int32
// expectations
expectedForGetKey bool
expectedDeletions int32
expectedActive int32
expectedSucceeded int32
expectedFailed int32
expectedConditionReason string
}{
"activeDeadlineSeconds less than single pod execution": {
1, 1, 10, 15, 6,
1, 0, 0,
true, 1, 0, 0, 1, "DeadlineExceeded",
},
"activeDeadlineSeconds bigger than single pod execution": {
1, 2, 10, 15, 6,
1, 1, 0,
true, 1, 0, 1, 1, "DeadlineExceeded",
},
"activeDeadlineSeconds times-out before any pod starts": {
1, 1, 10, 10, 6,
0, 0, 0,
true, 0, 0, 0, 0, "DeadlineExceeded",
},
"activeDeadlineSeconds with backofflimit reach": {
1, 1, 1, 10, 0,
0, 0, 1,
true, 0, 0, 0, 1, "BackoffLimitExceeded",
},
}
for name, tc := range testCases {
// job manager setup
clientset := clientset.NewForConfigOrDie(&restclient.Config{Host: "", ContentConfig: restclient.ContentConfig{GroupVersion: &schema.GroupVersion{Group: "", Version: "v1"}}})
manager, sharedInformerFactory := newControllerFromClient(clientset, controller.NoResyncPeriodFunc)
fakePodControl := controller.FakePodControl{}
manager.podControl = &fakePodControl
manager.podStoreSynced = alwaysReady
manager.jobStoreSynced = alwaysReady
var actual *batch.Job
manager.updateHandler = func(job *batch.Job) error {
actual = job
return nil
}
// job & pods setup
job := newJob(tc.parallelism, tc.completions, tc.backoffLimit)
job.Spec.ActiveDeadlineSeconds = &tc.activeDeadlineSeconds
start := metav1.Unix(metav1.Now().Time.Unix()-tc.startTime, 0)
job.Status.StartTime = &start
sharedInformerFactory.Batch().V1().Jobs().Informer().GetIndexer().Add(job)
podIndexer := sharedInformerFactory.Core().V1().Pods().Informer().GetIndexer()
setPodsStatuses(podIndexer, job, 0, tc.activePods, tc.succeededPods, tc.failedPods)
// run
forget, err := manager.syncJob(testutil.GetKey(job, t))
if err != nil {
t.Errorf("%s: unexpected error when syncing jobs %v", name, err)
}
if forget != tc.expectedForGetKey {
t.Errorf("%s: unexpected forget value. Expected %v, saw %v\n", name, tc.expectedForGetKey, forget)
}
// validate created/deleted pods
if int32(len(fakePodControl.Templates)) != 0 {
t.Errorf("%s: unexpected number of creates. Expected 0, saw %d\n", name, len(fakePodControl.Templates))
}
if int32(len(fakePodControl.DeletePodName)) != tc.expectedDeletions {
t.Errorf("%s: unexpected number of deletes. Expected %d, saw %d\n", name, tc.expectedDeletions, len(fakePodControl.DeletePodName))
}
// validate status
if actual.Status.Active != tc.expectedActive {
t.Errorf("%s: unexpected number of active pods. Expected %d, saw %d\n", name, tc.expectedActive, actual.Status.Active)
}
if actual.Status.Succeeded != tc.expectedSucceeded {
t.Errorf("%s: unexpected number of succeeded pods. Expected %d, saw %d\n", name, tc.expectedSucceeded, actual.Status.Succeeded)
}
if actual.Status.Failed != tc.expectedFailed {
t.Errorf("%s: unexpected number of failed pods. Expected %d, saw %d\n", name, tc.expectedFailed, actual.Status.Failed)
}
if actual.Status.StartTime == nil {
t.Errorf("%s: .status.startTime was not set", name)
}
// validate conditions
if !getCondition(actual, batch.JobFailed, tc.expectedConditionReason) {
t.Errorf("%s: expected fail condition. Got %#v", name, actual.Status.Conditions)
}
}
}
func getCondition(job *batch.Job, condition batch.JobConditionType, reason string) bool {
for _, v := range job.Status.Conditions {
if v.Type == condition && v.Status == v1.ConditionTrue && v.Reason == reason {
return true
}
}
return false
}
func TestSyncPastDeadlineJobFinished(t *testing.T) {
clientset := clientset.NewForConfigOrDie(&restclient.Config{Host: "", ContentConfig: restclient.ContentConfig{GroupVersion: &schema.GroupVersion{Group: "", Version: "v1"}}})
manager, sharedInformerFactory := newControllerFromClient(clientset, controller.NoResyncPeriodFunc)
fakePodControl := controller.FakePodControl{}
manager.podControl = &fakePodControl
manager.podStoreSynced = alwaysReady
manager.jobStoreSynced = alwaysReady
var actual *batch.Job
manager.updateHandler = func(job *batch.Job) error {
actual = job
return nil
}
job := newJob(1, 1, 6)
activeDeadlineSeconds := int64(10)
job.Spec.ActiveDeadlineSeconds = &activeDeadlineSeconds
start := metav1.Unix(metav1.Now().Time.Unix()-15, 0)
job.Status.StartTime = &start
job.Status.Conditions = append(job.Status.Conditions, newCondition(batch.JobFailed, "DeadlineExceeded", "Job was active longer than specified deadline"))
sharedInformerFactory.Batch().V1().Jobs().Informer().GetIndexer().Add(job)
forget, err := manager.syncJob(testutil.GetKey(job, t))
if err != nil {
t.Errorf("Unexpected error when syncing jobs %v", err)
}
if !forget {
t.Errorf("Unexpected forget value. Expected %v, saw %v\n", true, forget)
}
if len(fakePodControl.Templates) != 0 {
t.Errorf("Unexpected number of creates. Expected %d, saw %d\n", 0, len(fakePodControl.Templates))
}
if len(fakePodControl.DeletePodName) != 0 {
t.Errorf("Unexpected number of deletes. Expected %d, saw %d\n", 0, len(fakePodControl.DeletePodName))
}
if actual != nil {
t.Error("Unexpected job modification")
}
}
func TestSyncJobComplete(t *testing.T) {
clientset := clientset.NewForConfigOrDie(&restclient.Config{Host: "", ContentConfig: restclient.ContentConfig{GroupVersion: &schema.GroupVersion{Group: "", Version: "v1"}}})
manager, sharedInformerFactory := newControllerFromClient(clientset, controller.NoResyncPeriodFunc)
fakePodControl := controller.FakePodControl{}
manager.podControl = &fakePodControl
manager.podStoreSynced = alwaysReady
manager.jobStoreSynced = alwaysReady
job := newJob(1, 1, 6)
job.Status.Conditions = append(job.Status.Conditions, newCondition(batch.JobComplete, "", ""))
sharedInformerFactory.Batch().V1().Jobs().Informer().GetIndexer().Add(job)
forget, err := manager.syncJob(testutil.GetKey(job, t))
if err != nil {
t.Fatalf("Unexpected error when syncing jobs %v", err)
}
if !forget {
t.Errorf("Unexpected forget value. Expected %v, saw %v\n", true, forget)
}
actual, err := manager.jobLister.Jobs(job.Namespace).Get(job.Name)
if err != nil {
t.Fatalf("Unexpected error when trying to get job from the store: %v", err)
}
// Verify that after syncing a complete job, the conditions are the same.
if got, expected := len(actual.Status.Conditions), 1; got != expected {
t.Fatalf("Unexpected job status conditions amount; expected %d, got %d", expected, got)
}
}
func TestSyncJobDeleted(t *testing.T) {
clientset := clientset.NewForConfigOrDie(&restclient.Config{Host: "", ContentConfig: restclient.ContentConfig{GroupVersion: &schema.GroupVersion{Group: "", Version: "v1"}}})
manager, _ := newControllerFromClient(clientset, controller.NoResyncPeriodFunc)
fakePodControl := controller.FakePodControl{}
manager.podControl = &fakePodControl
manager.podStoreSynced = alwaysReady
manager.jobStoreSynced = alwaysReady
manager.updateHandler = func(job *batch.Job) error { return nil }
job := newJob(2, 2, 6)
forget, err := manager.syncJob(testutil.GetKey(job, t))
if err != nil {
t.Errorf("Unexpected error when syncing jobs %v", err)
}
if !forget {
t.Errorf("Unexpected forget value. Expected %v, saw %v\n", true, forget)
}
if len(fakePodControl.Templates) != 0 {
t.Errorf("Unexpected number of creates. Expected %d, saw %d\n", 0, len(fakePodControl.Templates))
}
if len(fakePodControl.DeletePodName) != 0 {
t.Errorf("Unexpected number of deletes. Expected %d, saw %d\n", 0, len(fakePodControl.DeletePodName))
}
}
func TestSyncJobUpdateRequeue(t *testing.T) {
clientset := clientset.NewForConfigOrDie(&restclient.Config{Host: "", ContentConfig: restclient.ContentConfig{GroupVersion: &schema.GroupVersion{Group: "", Version: "v1"}}})
DefaultJobBackOff = time.Duration(0) // overwrite the default value for testing
manager, sharedInformerFactory := newControllerFromClient(clientset, controller.NoResyncPeriodFunc)
fakePodControl := controller.FakePodControl{}
manager.podControl = &fakePodControl
manager.podStoreSynced = alwaysReady
manager.jobStoreSynced = alwaysReady
updateError := fmt.Errorf("update error")
manager.updateHandler = func(job *batch.Job) error {
manager.queue.AddRateLimited(testutil.GetKey(job, t))
return updateError
}
job := newJob(2, 2, 6)
sharedInformerFactory.Batch().V1().Jobs().Informer().GetIndexer().Add(job)
forget, err := manager.syncJob(testutil.GetKey(job, t))
if err == nil || err != updateError {
t.Errorf("Expected error %v when syncing jobs, got %v", updateError, err)
}
if forget != false {
t.Errorf("Unexpected forget value. Expected %v, saw %v\n", false, forget)
}
t.Log("Waiting for a job in the queue")
key, _ := manager.queue.Get()
expectedKey := testutil.GetKey(job, t)
if key != expectedKey {
t.Errorf("Expected requeue of job with key %s got %s", expectedKey, key)
}
}
func TestJobPodLookup(t *testing.T) {
clientset := clientset.NewForConfigOrDie(&restclient.Config{Host: "", ContentConfig: restclient.ContentConfig{GroupVersion: &schema.GroupVersion{Group: "", Version: "v1"}}})
manager, sharedInformerFactory := newControllerFromClient(clientset, controller.NoResyncPeriodFunc)
manager.podStoreSynced = alwaysReady
manager.jobStoreSynced = alwaysReady
testCases := []struct {
job *batch.Job
pod *v1.Pod
expectedName string
}{
// pods without labels don't match any job
{
job: &batch.Job{
ObjectMeta: metav1.ObjectMeta{Name: "basic"},
},
pod: &v1.Pod{
ObjectMeta: metav1.ObjectMeta{Name: "foo1", Namespace: metav1.NamespaceAll},
},
expectedName: "",
},
// matching labels, different namespace
{
job: &batch.Job{
ObjectMeta: metav1.ObjectMeta{Name: "foo"},
Spec: batch.JobSpec{
Selector: &metav1.LabelSelector{
MatchLabels: map[string]string{"foo": "bar"},
},
},
},
pod: &v1.Pod{
ObjectMeta: metav1.ObjectMeta{
Name: "foo2",
Namespace: "ns",
Labels: map[string]string{"foo": "bar"},
},
},
expectedName: "",
},
// matching ns and labels returns
{
job: &batch.Job{
ObjectMeta: metav1.ObjectMeta{Name: "bar", Namespace: "ns"},
Spec: batch.JobSpec{
Selector: &metav1.LabelSelector{
MatchExpressions: []metav1.LabelSelectorRequirement{
{
Key: "foo",
Operator: metav1.LabelSelectorOpIn,
Values: []string{"bar"},
},
},
},
},
},
pod: &v1.Pod{
ObjectMeta: metav1.ObjectMeta{
Name: "foo3",
Namespace: "ns",
Labels: map[string]string{"foo": "bar"},
},
},
expectedName: "bar",
},
}
for _, tc := range testCases {
sharedInformerFactory.Batch().V1().Jobs().Informer().GetIndexer().Add(tc.job)
if jobs := manager.getPodJobs(tc.pod); len(jobs) > 0 {
if got, want := len(jobs), 1; got != want {
t.Errorf("len(jobs) = %v, want %v", got, want)
}
job := jobs[0]
if tc.expectedName != job.Name {
t.Errorf("Got job %+v expected %+v", job.Name, tc.expectedName)
}
} else if tc.expectedName != "" {
t.Errorf("Expected a job %v pod %v, found none", tc.expectedName, tc.pod.Name)
}
}
}
func TestGetPodsForJob(t *testing.T) {
clientset := clientset.NewForConfigOrDie(&restclient.Config{Host: "", ContentConfig: restclient.ContentConfig{GroupVersion: &schema.GroupVersion{Group: "", Version: "v1"}}})
jm, informer := newControllerFromClient(clientset, controller.NoResyncPeriodFunc)
jm.podStoreSynced = alwaysReady
jm.jobStoreSynced = alwaysReady
job1 := newJob(1, 1, 6)
job1.Name = "job1"
job2 := newJob(1, 1, 6)
job2.Name = "job2"
informer.Batch().V1().Jobs().Informer().GetIndexer().Add(job1)
informer.Batch().V1().Jobs().Informer().GetIndexer().Add(job2)
pod1 := newPod("pod1", job1)
pod2 := newPod("pod2", job2)
pod3 := newPod("pod3", job1)
// Make pod3 an orphan that doesn't match. It should be ignored.
pod3.OwnerReferences = nil
pod3.Labels = nil
informer.Core().V1().Pods().Informer().GetIndexer().Add(pod1)
informer.Core().V1().Pods().Informer().GetIndexer().Add(pod2)
informer.Core().V1().Pods().Informer().GetIndexer().Add(pod3)
pods, err := jm.getPodsForJob(job1)
if err != nil {
t.Fatalf("getPodsForJob() error: %v", err)
}
if got, want := len(pods), 1; got != want {
t.Errorf("len(pods) = %v, want %v", got, want)
}
if got, want := pods[0].Name, "pod1"; got != want {
t.Errorf("pod.Name = %v, want %v", got, want)
}
pods, err = jm.getPodsForJob(job2)
if err != nil {
t.Fatalf("getPodsForJob() error: %v", err)
}
if got, want := len(pods), 1; got != want {
t.Errorf("len(pods) = %v, want %v", got, want)
}
if got, want := pods[0].Name, "pod2"; got != want {
t.Errorf("pod.Name = %v, want %v", got, want)
}
}
func TestGetPodsForJobAdopt(t *testing.T) {
job1 := newJob(1, 1, 6)
job1.Name = "job1"
clientset := fake.NewSimpleClientset(job1)
jm, informer := newControllerFromClient(clientset, controller.NoResyncPeriodFunc)
jm.podStoreSynced = alwaysReady
jm.jobStoreSynced = alwaysReady
informer.Batch().V1().Jobs().Informer().GetIndexer().Add(job1)
pod1 := newPod("pod1", job1)
pod2 := newPod("pod2", job1)
// Make this pod an orphan. It should still be returned because it's adopted.
pod2.OwnerReferences = nil
informer.Core().V1().Pods().Informer().GetIndexer().Add(pod1)
informer.Core().V1().Pods().Informer().GetIndexer().Add(pod2)
pods, err := jm.getPodsForJob(job1)
if err != nil {
t.Fatalf("getPodsForJob() error: %v", err)
}
if got, want := len(pods), 2; got != want {
t.Errorf("len(pods) = %v, want %v", got, want)
}
}
func TestGetPodsForJobNoAdoptIfBeingDeleted(t *testing.T) {
job1 := newJob(1, 1, 6)
job1.Name = "job1"
job1.DeletionTimestamp = &metav1.Time{}
clientset := fake.NewSimpleClientset(job1)
jm, informer := newControllerFromClient(clientset, controller.NoResyncPeriodFunc)
jm.podStoreSynced = alwaysReady
jm.jobStoreSynced = alwaysReady
informer.Batch().V1().Jobs().Informer().GetIndexer().Add(job1)
pod1 := newPod("pod1", job1)
pod2 := newPod("pod2", job1)
// Make this pod an orphan. It should not be adopted because the Job is being deleted.
pod2.OwnerReferences = nil
informer.Core().V1().Pods().Informer().GetIndexer().Add(pod1)
informer.Core().V1().Pods().Informer().GetIndexer().Add(pod2)
pods, err := jm.getPodsForJob(job1)
if err != nil {
t.Fatalf("getPodsForJob() error: %v", err)
}
if got, want := len(pods), 1; got != want {
t.Errorf("len(pods) = %v, want %v", got, want)
}
if got, want := pods[0].Name, pod1.Name; got != want {
t.Errorf("pod.Name = %q, want %q", got, want)
}
}
func TestGetPodsForJobNoAdoptIfBeingDeletedRace(t *testing.T) {
job1 := newJob(1, 1, 6)
job1.Name = "job1"
// The up-to-date object says it's being deleted.
job1.DeletionTimestamp = &metav1.Time{}
clientset := fake.NewSimpleClientset(job1)
jm, informer := newControllerFromClient(clientset, controller.NoResyncPeriodFunc)
jm.podStoreSynced = alwaysReady
jm.jobStoreSynced = alwaysReady
// The cache says it's NOT being deleted.
cachedJob := *job1
cachedJob.DeletionTimestamp = nil
informer.Batch().V1().Jobs().Informer().GetIndexer().Add(&cachedJob)
pod1 := newPod("pod1", job1)
pod2 := newPod("pod2", job1)
// Make this pod an orphan. It should not be adopted because the Job is being deleted.
pod2.OwnerReferences = nil
informer.Core().V1().Pods().Informer().GetIndexer().Add(pod1)
informer.Core().V1().Pods().Informer().GetIndexer().Add(pod2)
pods, err := jm.getPodsForJob(job1)
if err != nil {
t.Fatalf("getPodsForJob() error: %v", err)
}
if got, want := len(pods), 1; got != want {
t.Errorf("len(pods) = %v, want %v", got, want)
}
if got, want := pods[0].Name, pod1.Name; got != want {
t.Errorf("pod.Name = %q, want %q", got, want)
}
}
func TestGetPodsForJobRelease(t *testing.T) {
clientset := clientset.NewForConfigOrDie(&restclient.Config{Host: "", ContentConfig: restclient.ContentConfig{GroupVersion: &schema.GroupVersion{Group: "", Version: "v1"}}})
jm, informer := newControllerFromClient(clientset, controller.NoResyncPeriodFunc)
jm.podStoreSynced = alwaysReady
jm.jobStoreSynced = alwaysReady
job1 := newJob(1, 1, 6)
job1.Name = "job1"
informer.Batch().V1().Jobs().Informer().GetIndexer().Add(job1)
pod1 := newPod("pod1", job1)
pod2 := newPod("pod2", job1)
// Make this pod not match, even though it's owned. It should be released.
pod2.Labels = nil
informer.Core().V1().Pods().Informer().GetIndexer().Add(pod1)
informer.Core().V1().Pods().Informer().GetIndexer().Add(pod2)
pods, err := jm.getPodsForJob(job1)
if err != nil {
t.Fatalf("getPodsForJob() error: %v", err)
}
if got, want := len(pods), 1; got != want {
t.Errorf("len(pods) = %v, want %v", got, want)
}
if got, want := pods[0].Name, "pod1"; got != want {
t.Errorf("pod.Name = %v, want %v", got, want)
}
}
func TestAddPod(t *testing.T) {
clientset := clientset.NewForConfigOrDie(&restclient.Config{Host: "", ContentConfig: restclient.ContentConfig{GroupVersion: &schema.GroupVersion{Group: "", Version: "v1"}}})
jm, informer := newControllerFromClient(clientset, controller.NoResyncPeriodFunc)
jm.podStoreSynced = alwaysReady
jm.jobStoreSynced = alwaysReady
job1 := newJob(1, 1, 6)
job1.Name = "job1"
job2 := newJob(1, 1, 6)
job2.Name = "job2"
informer.Batch().V1().Jobs().Informer().GetIndexer().Add(job1)
informer.Batch().V1().Jobs().Informer().GetIndexer().Add(job2)
pod1 := newPod("pod1", job1)
pod2 := newPod("pod2", job2)
informer.Core().V1().Pods().Informer().GetIndexer().Add(pod1)
informer.Core().V1().Pods().Informer().GetIndexer().Add(pod2)
jm.addPod(pod1)
if got, want := jm.queue.Len(), 1; got != want {
t.Fatalf("queue.Len() = %v, want %v", got, want)
}
key, done := jm.queue.Get()
if key == nil || done {
t.Fatalf("failed to enqueue controller for pod %v", pod1.Name)
}
expectedKey, _ := controller.KeyFunc(job1)
if got, want := key.(string), expectedKey; got != want {
t.Errorf("queue.Get() = %v, want %v", got, want)
}
jm.addPod(pod2)
if got, want := jm.queue.Len(), 1; got != want {
t.Fatalf("queue.Len() = %v, want %v", got, want)
}
key, done = jm.queue.Get()
if key == nil || done {
t.Fatalf("failed to enqueue controller for pod %v", pod2.Name)
}
expectedKey, _ = controller.KeyFunc(job2)
if got, want := key.(string), expectedKey; got != want {
t.Errorf("queue.Get() = %v, want %v", got, want)
}
}
func TestAddPodOrphan(t *testing.T) {
clientset := clientset.NewForConfigOrDie(&restclient.Config{Host: "", ContentConfig: restclient.ContentConfig{GroupVersion: &schema.GroupVersion{Group: "", Version: "v1"}}})
jm, informer := newControllerFromClient(clientset, controller.NoResyncPeriodFunc)
jm.podStoreSynced = alwaysReady
jm.jobStoreSynced = alwaysReady
job1 := newJob(1, 1, 6)
job1.Name = "job1"
job2 := newJob(1, 1, 6)
job2.Name = "job2"
job3 := newJob(1, 1, 6)
job3.Name = "job3"
job3.Spec.Selector.MatchLabels = map[string]string{"other": "labels"}
informer.Batch().V1().Jobs().Informer().GetIndexer().Add(job1)
informer.Batch().V1().Jobs().Informer().GetIndexer().Add(job2)
informer.Batch().V1().Jobs().Informer().GetIndexer().Add(job3)
pod1 := newPod("pod1", job1)
// Make pod an orphan. Expect all matching controllers to be queued.
pod1.OwnerReferences = nil
informer.Core().V1().Pods().Informer().GetIndexer().Add(pod1)
jm.addPod(pod1)
if got, want := jm.queue.Len(), 2; got != want {
t.Fatalf("queue.Len() = %v, want %v", got, want)
}
}
func TestUpdatePod(t *testing.T) {
clientset := clientset.NewForConfigOrDie(&restclient.Config{Host: "", ContentConfig: restclient.ContentConfig{GroupVersion: &schema.GroupVersion{Group: "", Version: "v1"}}})
jm, informer := newControllerFromClient(clientset, controller.NoResyncPeriodFunc)
jm.podStoreSynced = alwaysReady
jm.jobStoreSynced = alwaysReady
job1 := newJob(1, 1, 6)
job1.Name = "job1"
job2 := newJob(1, 1, 6)
job2.Name = "job2"
informer.Batch().V1().Jobs().Informer().GetIndexer().Add(job1)
informer.Batch().V1().Jobs().Informer().GetIndexer().Add(job2)
pod1 := newPod("pod1", job1)
pod2 := newPod("pod2", job2)
informer.Core().V1().Pods().Informer().GetIndexer().Add(pod1)
informer.Core().V1().Pods().Informer().GetIndexer().Add(pod2)
prev := *pod1
bumpResourceVersion(pod1)
jm.updatePod(&prev, pod1)
if got, want := jm.queue.Len(), 1; got != want {
t.Fatalf("queue.Len() = %v, want %v", got, want)
}
key, done := jm.queue.Get()
if key == nil || done {
t.Fatalf("failed to enqueue controller for pod %v", pod1.Name)
}
expectedKey, _ := controller.KeyFunc(job1)
if got, want := key.(string), expectedKey; got != want {
t.Errorf("queue.Get() = %v, want %v", got, want)
}
prev = *pod2
bumpResourceVersion(pod2)
jm.updatePod(&prev, pod2)
if got, want := jm.queue.Len(), 1; got != want {
t.Fatalf("queue.Len() = %v, want %v", got, want)
}
key, done = jm.queue.Get()
if key == nil || done {
t.Fatalf("failed to enqueue controller for pod %v", pod2.Name)
}
expectedKey, _ = controller.KeyFunc(job2)
if got, want := key.(string), expectedKey; got != want {
t.Errorf("queue.Get() = %v, want %v", got, want)
}
}
func TestUpdatePodOrphanWithNewLabels(t *testing.T) {
clientset := clientset.NewForConfigOrDie(&restclient.Config{Host: "", ContentConfig: restclient.ContentConfig{GroupVersion: &schema.GroupVersion{Group: "", Version: "v1"}}})
jm, informer := newControllerFromClient(clientset, controller.NoResyncPeriodFunc)
jm.podStoreSynced = alwaysReady
jm.jobStoreSynced = alwaysReady
job1 := newJob(1, 1, 6)
job1.Name = "job1"
job2 := newJob(1, 1, 6)
job2.Name = "job2"
informer.Batch().V1().Jobs().Informer().GetIndexer().Add(job1)
informer.Batch().V1().Jobs().Informer().GetIndexer().Add(job2)
pod1 := newPod("pod1", job1)
pod1.OwnerReferences = nil
informer.Core().V1().Pods().Informer().GetIndexer().Add(pod1)
// Labels changed on orphan. Expect newly matching controllers to queue.
prev := *pod1
prev.Labels = map[string]string{"foo2": "bar2"}
bumpResourceVersion(pod1)
jm.updatePod(&prev, pod1)
if got, want := jm.queue.Len(), 2; got != want {
t.Fatalf("queue.Len() = %v, want %v", got, want)
}
}
func TestUpdatePodChangeControllerRef(t *testing.T) {
clientset := clientset.NewForConfigOrDie(&restclient.Config{Host: "", ContentConfig: restclient.ContentConfig{GroupVersion: &schema.GroupVersion{Group: "", Version: "v1"}}})
jm, informer := newControllerFromClient(clientset, controller.NoResyncPeriodFunc)
jm.podStoreSynced = alwaysReady
jm.jobStoreSynced = alwaysReady